@@ -874,7 +874,7 @@
874 %'~[' %'|=(' %'$-(' :: openers
874 %'~[' %'|=(' %'$-(' :: openers
875 %'%/' %'/' :: paths
875 %'%/' %'/' :: paths
876 %'+' %'`' %'=' :: pair, unit, face
876 %'+' %'`' %'=' :: pair, unit, face
877− %'*' %'?' :: noun, loobean mold
877+ %'*' %'?' %'_' :: noun, loobean, type hole
878 %'++' %'+$' %'|=' %'|$' :: runes
878 %'++' %'+$' %'|=' %'|$' :: runes
879 %'^-' %'~&' %'?-' %'!!' :: runes
879 %'^-' %'~&' %'?-' %'!!' :: runes
880 %'/-' %'/%' %'/=' :: imports
880 %'/-' %'/%' %'/=' :: imports
@@ -1016,6 +1016,7 @@
1016 [%const at=span =lit] :: ~ %add %.y
1016 [%const at=span =lit] :: ~ %add %.y
1017 [%ref at=span names=(list term)] :: state item.todo
1017 [%ref at=span names=(list term)] :: state item.todo
1018 [%tvar at=span name=@t] :: M
1018 [%tvar at=span name=@t] :: M
1019+ [%hole at=span ~] :: _
1019 [%path at=span segs=(list pseg)] :: / /todos /todo/[id=@ud]
1020 [%path at=span segs=(list pseg)] :: / /todos /todo/[id=@ud]
1020 [%apply at=span ref=(list term) args=(list shape)] :: (list @t)
1021 [%apply at=span ref=(list term) args=(list shape)] :: (list @t)
1021 [%cell at=span fields=(list field)] :: [text=@t done=?]
1022 [%cell at=span fields=(list field)] :: [text=@t done=?]
@@ -1024,9 +1025,9 @@
1024 [%generic at=span vars=(list @t) body=shape] :: +$ name |$ [M] …
1025 [%generic at=span vars=(list @t) body=shape] :: +$ name |$ [M] …
1027−:: +pseg: a path mold's segment, a knot or [name=aura]
1028+:: +pseg: a path mold's segment, a knot, [name=aura], or [name=_]
1029−+$ pseg $%([%knot p=@ta] [%typed at=span name=term aura=@ta])
1030++$ pseg $%([%knot p=@ta] [%typed at=span name=term aura=@ta] [%inferred at=span name=term hole-at=span])
@@ -1295,6 +1296,7 @@
1295 (emit 1 %'=')
1296 (emit 1 %'=')
1296 ?: =('`' a) (emit 1 %'`')
1297 ?: =('`' a) (emit 1 %'`')
1297 ?: =('*' a) (emit 1 %'*')
1298 ?: =('*' a) (emit 1 %'*')
1299+ ?: =('_' a) (emit 1 %'_')
1298 ?: =('~' a)
1300 ?: =('~' a)
1299 ?: =('[' b) (emit 2 %'~[')
1301 ?: =('[' b) (emit 2 %'~[')
1300 ?: =('&' b) (emit 2 %'~&')
1302 ?: =('&' b) (emit 2 %'~&')
@@ -1670,14 +1672,14 @@
1670:: What may begin each place the parser reads (section 3, Errors):
1672:: What may begin each place the parser reads (section 3, Errors):
1671:: an expression a-z 0-9 " ( [ ~ % / ` | ^ ? !
1673:: an expression a-z 0-9 " ( [ ~ % / ` | ^ ? !
1672:: an operand a-z 0-9 " ( [ ~ % / ` | !
1674:: an operand a-z 0-9 " ( [ ~ % / ` | !
1673−:: a mold a-z A-Z @ * ! ? ~ % / ( [ $
1675+:: a mold a-z A-Z @ * ! ? ~ % / ( [ $ _
1674:: a pattern a-z 0-9 " ~ % * [
1676:: a pattern a-z 0-9 " ~ % * [
1675:: and what may go tight after an operand: . ( + = after a name, a
1677:: and what may go tight after an operand: . ( + = after a name, a
1676:: closer ) ] }, or the : of a comment
1678:: closer ) ] }, or the : of a comment
1678++ expr-mask 0x57ff.ffff.4800.0000.83ff.8126.0000.0000
1680++ expr-mask 0x57ff.ffff.4800.0000.83ff.8126.0000.0000
1679++ operand-mask 0x57ff.ffff.0800.0000.03ff.8126.0000.0000
1681++ operand-mask 0x57ff.ffff.0800.0000.03ff.8126.0000.0000
1680−++ mold-mask 0x47ff.fffe.0fff.ffff.8000.8532.0000.0000
1682+++ mold-mask 0x47ff.fffe.8fff.ffff.8000.8532.0000.0000
1681++ bar-mask 0x1000.0000.0000.0000.0000.0000.0000.0000
1683++ bar-mask 0x1000.0000.0000.0000.0000.0000.0000.0000
1682++ pattern-mask 0x47ff.fffe.0800.0000.03ff.0424.0000.0000
1684++ pattern-mask 0x47ff.fffe.0800.0000.03ff.0424.0000.0000
1683++ after-mask 0x2000.0000.2000.0000.2400.4b00.0000.0000
1685++ after-mask 0x2000.0000.2000.0000.2400.4b00.0000.0000
@@ -2107,6 +2109,7 @@
2108 %knot (weld "/" (trip p.s))
2110 %knot (weld "/" (trip p.s))
2109 %typed "/[{(trip name.s)}=@{(trip aura.s)}]"
2111 %typed "/[{(trip name.s)}=@{(trip aura.s)}]"
2112+ %inferred "/[{(trip name.s)}=_]"
2112++ show-tvars
2115++ show-tvars
@@ -2318,6 +2321,7 @@
2318 %const (nod "const" at.s (show-lit lit.s) ~)
2321 %const (nod "const" at.s (show-lit lit.s) ~)
2319 %ref (nod "ref" at.s (show-names names.s) ~)
2322 %ref (nod "ref" at.s (show-names names.s) ~)
2320 %tvar (nod "tvar" at.s (trip name.s) ~)
2323 %tvar (nod "tvar" at.s (trip name.s) ~)
2324+ %hole (nod "hole" at.s "" ~)
2321 %path (nod "path" at.s (show-psegs segs.s) ~)
2325 %path (nod "path" at.s (show-psegs segs.s) ~)
2322 %apply (nod "apply" at.s (show-names ref.s) (turn args.s sexp-shape))
2326 %apply (nod "apply" at.s (show-names ref.s) (turn args.s sexp-shape))
2323 %cell (nod "cell" at.s "" (turn fields.s sexp-field))
2327 %cell (nod "cell" at.s "" (turn fields.s sexp-field))
@@ -3842,6 +3846,7 @@
3842 %'*' [%& [%noun at.t ~] t.ts]
3846 %'*' [%& [%noun at.t ~] t.ts]
3843 %'!!' [%& [%void at.t ~] t.ts]
3847 %'!!' [%& [%void at.t ~] t.ts]
3844 %'?' [%& [%flag at.t ~] t.ts]
3848 %'?' [%& [%flag at.t ~] t.ts]
3849+ %'_' [%& [%hole at.t ~] t.ts]
3845 [%name *] [%& [%ref at.t ~[p.lex.t]] t.ts]
3850 [%name *] [%& [%ref at.t ~[p.lex.t]] t.ts]
3846 [%wing *] [%& [%ref at.t p.lex.t] t.ts]
3851 [%wing *] [%& [%ref at.t p.lex.t] t.ts]
3847 [%tvar *] [%& [%tvar at.t p.lex.t] t.ts]
3852 [%tvar *] [%& [%tvar at.t p.lex.t] t.ts]
@@ -4058,7 +4063,7 @@
4058 ?: &(?=(^ nex) tight.i.nex) (bad nex "a path segment")
4063 ?: &(?=(^ nex) tight.i.nex) (bad nex "a path segment")
4059 (bad-space i.after nex "a path segment")
4064 (bad-space i.after nex "a path segment")
4061− :: +read-pseg: a path mold's segment, a knot or [name=aura] with no
4066+ :: +read-pseg: a path mold's knot, [name=aura], or [name=_] with no
4062 :: spaces, and where it ends
4067 :: spaces, and where it ends
4064 ++ read-pseg
4069 ++ read-pseg
@@ -4075,13 +4080,16 @@
4075 ?: |(?=(~ r2) !tight.i.r2) (bad-space i.r1 r2 "`=`")
4080 ?: |(?=(~ r2) !tight.i.r2) (bad-space i.r1 r2 "`=`")
4076 ?. ?=([[* * %'='] *] r2) (bad-in r2 "`=`" tis-mask)
4081 ?. ?=([[* * %'='] *] r2) (bad-in r2 "`=`" tis-mask)
4077 =/ r3=(list token) t.r2
4082 =/ r3=(list token) t.r2
4078− ?: |(?=(~ r3) !tight.i.r3) (bad-space i.r2 r3 "an aura")
4083+ ?: |(?=(~ r3) !tight.i.r3) (bad-space i.r2 r3 "an aura or type hole")
4079− ?. ?=([[* * [%aura *]] *] r3) (bad-in r3 "an aura" pat-mask)
4084+ ?. ?=([[* * ?([%aura *] %'_')] *] r3) (bad-in r3 "an aura or type hole" (con pat-mask (bex 95)))
4080 =/ r4=(list token) t.r3
4085 =/ r4=(list token) t.r3
4081 ?: |(?=(~ r4) !tight.i.r4) (bad-space i.r3 r4 "`]`")
4086 ?: |(?=(~ r4) !tight.i.r4) (bad-space i.r3 r4 "`]`")
4082 ?. ?=([[* * %']'] *] r4) (bad-in r4 "`]`" ser-mask)
4087 ?. ?=([[* * %']'] *] r4) (bad-in r4 "`]`" ser-mask)
4083 =/ at=span [beg.at.op end.at.i.r4]
4088 =/ at=span [beg.at.op end.at.i.r4]
4090+ ?: ?=(%'_' lex.i.r3) [%inferred at p.lex.i.r1 at.i.r3]
4084− [%& [[%typed at p.lex.i.r1 p.lex.i.r3] end.at.i.r4] t.r4]
4091+ [%typed at p.lex.i.r1 p.lex.i.r3]
4092+ [%& [seg end.at.i.r4] t.r4]
4087+| %span-check
4095+| %span-check
@@ -4465,6 +4473,7 @@
4465 %const [%const at.s ~[%lit] %one ~]
4473 %const [%const at.s ~[%lit] %one ~]
4466 %ref [%ref at.s ~[%name %wing] %one ~]
4474 %ref [%ref at.s ~[%name %wing] %one ~]
4467 %tvar [%tvar at.s ~[%tvar] %one ~]
4475 %tvar [%tvar at.s ~[%tvar] %one ~]
4476+ %hole [%hole at.s ~[%'_'] %one ~]
4468 %apply [%apply at.s ~[%'('] %shut (turn args.s outline-shape)]
4477 %apply [%apply at.s ~[%'('] %shut (turn args.s outline-shape)]
4469 %cell [%cell at.s ~[%'['] %shut (turn fields.s outline-sample)]
4478 %cell [%cell at.s ~[%'['] %shut (turn fields.s outline-sample)]
@@ -4473,8 +4482,11 @@
4473 %+ murn segs.s
4482 %+ murn segs.s
4474 |= g=pseg
4483 |= g=pseg
4475 ^- (unit outline)
4484 ^- (unit outline)
4476− ?. ?=(%typed -.g) ~
4487+ %typed `[%typed at.g ~[%'['] %shut ~]
4477− `[%typed at.g ~[%'['] %shut ~]
4488+ %inferred `[%typed at.g ~[%'['] %shut ~[[%hole hole-at.g ~[%'_'] %one ~]]]
4478 [%path at.s ~[%'/'] %run ks]
4490 [%path at.s ~[%'/'] %run ks]
@@ -4534,6 +4546,8 @@
4534 [%path [1 9] [1 9] [1 21]]
4546 [%path [1 9] [1 9] [1 21]]
4535 [%face [1 7] [1 7] [1 21]]
4547 [%face [1 7] [1 7] [1 21]]
4549+ :: an inferred path aura's hole spanning its = as well
4550+ ['+$ x /a/[id=_]' ~[[%hole [1 13] [1 12] [1 14]]]]
4537 :: an import's path cut short
4551 :: an import's path cut short
4538 ['/= c /ui/c' ~[[%jibb [1 1] [1 1] [1 11]]]]
4552 ['/= c /ui/c' ~[[%jibb [1 1] [1 1] [1 11]]]]
4539 :: brackets that close with the deeper lines, cut at their line's
4553 :: brackets that close with the deeper lines, cut at their line's
@@ -4593,24 +4607,81 @@
4593:: Atom constraints tied to an explicit capital or an inferred sample
4607:: Atom constraints tied to an explicit capital or an inferred sample
4594:: are generalized and printed. Other aura variables remain unsupported until
4608:: are generalized and printed. Other aura variables remain unsupported until
4595:: their defaulting and inferred generalization are implemented.
4609:: their defaulting and inferred generalization are implemented.
4610+:: Restricted-number promotion considers written capitals only; if there
4611+:: are none, it skips the otherwise unnecessary environment traversal.
4596:: Bare @ is a separate unrestricted atom type. A directional fit check
4612:: Bare @ is a separate unrestricted atom type. A directional fit check
4597:: permits concrete atoms to widen to it, never the reverse. A fit that
4613:: permits concrete atoms to widen to it, never the reverse. A fit that
4598−:: needs a not-yet-implemented constraint remains unsupported. Only
4614+:: needs a not-yet-implemented constraint remains unsupported. Named unions
4599−:: unfaced cells are represented here.
4615+:: retain origin and ordered arguments, including phantom arguments, apart
4616+:: from their display name. Generic cases must be disjoint for all arguments.
4617+:: Unnamed union printing is informational; it is not Jibb syntax.
4619+:: `proj` is a reserved, type-directed operation, not an ordinary gate.
4620+:: The supported fragment selects uniquely faced fields from a known record
4621+:: in source order (reordering is a doc question). It records the original
4622+:: call, source and target types, and source axes with its definition;
4623+:: A single selected field keeps its face and uses one source axis.
4624+:: Checked module interfaces retain that evidence and their source, including
4625+:: the private prelude dependency. A later lowerer must replace the call by
4626+:: an inline gate applied to the operand once; no lowering is implemented yet.
4627+:: Ordinary fits never insert a projection. Unknown or variable-origin record
4628+:: spines, nested projected fields and projections in
4629+:: recursive groups remain unsupported. Directional fits bound faced-spine
4630+:: proofs to fewer than 1,024 cells; the projection planner has a separate
4631+:: 4,096-step bound. These are inference limits, not language limits.
4633+:: Supported API imports derive request-gate types atomically for multiple
4634+:: paths, including one typed segment or one diff fold per case. Their checked
4635+:: ordinary definitions, mark molds and supported poke constructor are also
4636+:: exported. A selected /sur mold is checked through its trusted reader result;
4637+:: unused cores and other bindings are not independently validated. APIs
4638+:: with /= imports, separate scry paths, multiple parameters or diffs, or a
4639+:: parameter together with a fold remain unsupported. The unchanged todo API
4640+:: fits this fragment, including named closed fold gates.
4642+:: Each case's source-derived schema and canonical API identity travel in a
4643+:: dependency closure bound to the exact supplied bundle, prelude, scope and
4644+:: trusted reader results. Unknown cached entries are rebuilt. Request-bearing
4645+:: closures are limited to 256 source paths and requests. This is type
4646+:: inference only: no request lowering, runtime schema validator or proof that
4647+:: an arbitrary ask value is watchable is supplied.
4649+:: A closed gate sample may omit one outer face from a known input slot when
4650+:: its product is identical. Distinct written names, nested value faces,
4651+:: ambiguous cell tails and raw-variable-origin fits retain their prior rules.
4653+:: In one synthetic eval of a 48-module deep and 48-module wide request-free
4654+:: graph, baseline versus certificate inference took 21.53 s versus 23.10 s
4655+:: elapsed (21.10 s versus 22.34 s CPU), including startup. The deep cache's
4656+:: jam grew from 2,402 to 4,209 bytes (+1,807 bytes). These single-run figures
4657+:: are not production memory or performance benchmarks.
4602 $~ [%var 0]
4660 $~ [%var 0]
4603 $% [%var id=@ud]
4661 $% [%var id=@ud]
4604 [%avar id=@ud]
4662 [%avar id=@ud]
4605 [%nvar id=@ud]
4664 [%nvar id=@ud]
4606 [%atom aura=@ta]
4666 [%atom aura=@ta]
4607 [%any-atom ~]
4667 [%any-atom ~]
4608 [%flag ~]
4668 [%flag ~]
4671+ [%tag id=@ud literal=lit constructor=?]
4672+ [%const literal=lit]
4673+ [%collection name=term args=(list itype)]
4674+ [%recursive module=term name=term label=(unit @t)]
4675+ [%jrec at=path name=term label=(unit @t) head=term aura=@ta tail=term]
4676+ [%grec at=path name=term label=(unit @t) proof=shape args=(list itype)]
4677+ [%union cases=(list itype) origin=(unit [at=path name=term]) label=(unit @t) args=(list itype)]
4678+ [%face name=term body=itype]
4609 [%fn sample=itype product=itype]
4679 [%fn sample=itype product=itype]
4610 [%cell hed=itype tal=itype]
4680 [%cell hed=itype tal=itype]
4612+$ ibinding [id=@ud val=itype]
4682+$ ibinding [id=@ud val=itype]
4613+$ isub (list ibinding)
4683+$ isub (list ibinding)
4684++$ ipending [id=@ud literal=lit]
4615++ itype-lookup
4686++ itype-lookup
4616 |= [n=@ud sub=isub]
4687 |= [n=@ud sub=isub]
@@ -4626,16 +4697,116 @@
4627 =/ found=(unit itype) (itype-lookup id.t sub)
4698 =/ found=(unit itype) (itype-lookup id.t sub)
4628 ?~ found t
4699 ?~ found t
4700+ ?: &(|(?=(%rvar -.u.found) ?=(%rnvar -.u.found)) =(id.t +.u.found)) u.found
4629 $(t u.found)
4701 $(t u.found)
4631 =/ found=(unit itype) (itype-lookup id.t sub)
4703 =/ found=(unit itype) (itype-lookup id.t sub)
4632 ?~ found t
4704 ?~ found t
4705+ ?: &(|(?=(%rvar -.u.found) ?=(%rnvar -.u.found)) =(id.t +.u.found)) u.found
4708+ =/ found=(unit itype) (itype-lookup id.t sub)
4710+ ?: &(|(?=(%rvar -.u.found) ?=(%rnvar -.u.found)) =(id.t +.u.found)) u.found
4633 $(t u.found)
4711 $(t u.found)
4635 =/ found=(unit itype) (itype-lookup id.t sub)
4713 =/ found=(unit itype) (itype-lookup id.t sub)
4636 ?~ found t
4714 ?~ found t
4715+ ?: &(|(?=(%rvar -.u.found) ?=(%rnvar -.u.found)) =(id.t +.u.found)) u.found
4718+ =/ found=(unit itype) (itype-lookup id.t sub)
4720+ ?: &(|(?=(%rvar -.u.found) ?=(%rnvar -.u.found)) =(id.t +.u.found)) u.found
4637 $(t u.found)
4721 $(t u.found)
4723+ =/ found=(unit itype) (itype-lookup id.t sub)
4725+ ?: &(|(?=(%rvar -.u.found) ?=(%rnvar -.u.found)) =(id.t +.u.found)) u.found
4729+:: Prove only emptiness; unknown types are never treated as empty.
4730+:: A shared node budget bounds each proof attempt.
4731+++ itype-empty-cases
4732+ |= [xs=(list itype) sub=isub fuel=@ud]
4733+ ^- (unit [empty=? left=@ud])
4735+ =/ first=(unit [empty=? left=@ud]) (itype-empty-proof i.xs sub fuel)
4737+ ?. empty.u.first `[| left.u.first]
4738+ $(xs t.xs, fuel left.u.first)
4739+++ itype-empty-proof
4740+ |= [typ=itype sub=isub fuel=@ud]
4741+ ^- (unit [empty=? left=@ud])
4744+ =. typ (itype-walk typ sub)
4747+ %face $(typ body.typ)
4749+ =/ left=(unit [empty=? left=@ud]) $(typ hed.typ)
4751+ ?: empty.u.left `[& left.u.left]
4752+ $(typ tal.typ, fuel left.u.left)
4753+ %union (itype-empty-cases cases.typ sub fuel)
4756+:: Prove reachability separately from emptiness. An unresolved fixed
4757+:: recursive type is not presumed inhabited. A written, still-unconstrained
4758+:: capital is existentially inhabited for pattern reachability; the normal
4759+:: definition-boundary checks reject subsequently constrained capitals.
4760+++ itype-inhabited-cases
4761+ |= [xs=(list itype) sub=isub caps=icaps fuel=@ud pending=?]
4762+ ^- (unit [result=?(%yes %no %unknown) left=@ud])
4763+ ?~ xs `[?:(pending %unknown %no) fuel]
4764+ =/ first=(unit [result=?(%yes %no %unknown) left=@ud])
4765+ (itype-inhabited-proof i.xs sub caps fuel)
4767+ ?: =(%yes result.u.first) first
4768+ $(xs t.xs, fuel left.u.first, pending |(pending =(%unknown result.u.first)))
4769+++ itype-inhabited-proof
4770+ |= [typ=itype sub=isub caps=icaps fuel=@ud]
4771+ ^- (unit [result=?(%yes %no %unknown) left=@ud])
4774+ =. typ (itype-walk typ sub)
4777+ ?(%atom %any-atom %flag %const %noun %avar %rvar %nvar %rnvar %fn %jrec) `[%yes fuel]
4779+ ?: (lien caps |=(c=icap (hole-same-variable typ (itype-walk [%var id.c] sub)))) `[%yes fuel]
4781+ %face $(typ body.typ)
4783+ =/ head=(unit [result=?(%yes %no %unknown) left=@ud]) $(typ hed.typ)
4785+ ?: =(%no result.u.head) head
4786+ =/ tail=(unit [result=?(%yes %no %unknown) left=@ud]) $(typ tal.typ, fuel left.u.head)
4788+ ?: =(%no result.u.tail) tail
4789+ ?: |(=(%unknown result.u.head) =(%unknown result.u.tail)) `[%unknown left.u.tail]
4790+ `[%yes left.u.tail]
4791+ %union (itype-inhabited-cases cases.typ sub caps fuel |)
4793+ ?. &(|(=(%list name.typ) =(%unit name.typ)) ?=([* ~] args.typ)) `[%unknown fuel]
4795+ %grec ?:((grec-tree-proof name.typ proof.typ) `[%yes fuel] `[%unknown fuel])
4799+ |= [xs=(list itype) sub=isub caps=icaps fuel=@ud]
4800+ ^- (unit (list itype))
4802+ =/ first=(unit [result=?(%yes %no %unknown) left=@ud])
4803+ (itype-inhabited-proof i.xs sub caps fuel)
4805+ ?: =(%unknown result.u.first) ~
4806+ =/ rest=(unit (list itype)) $(xs t.xs, fuel left.u.first)
4808+ ?: =(%no result.u.first) rest
4640++ itype-occurs
4811++ itype-occurs
4641 |= [n=@ud t=itype sub=isub]
4812 |= [n=@ud t=itype sub=isub]
@@ -4644,10 +4815,22 @@
4645 %var =(n id.t)
4816 %var =(n id.t)
4646 %avar =(n id.t)
4817 %avar =(n id.t)
4647 %nvar =(n id.t)
4819 %nvar =(n id.t)
4649 %any-atom |
4822 %any-atom |
4828+ %union |((lien cases.t |=(c=itype (itype-occurs n c sub))) (lien args.t |=(c=itype (itype-occurs n c sub))))
4831+ %grec (lien args.t |=(c=itype (itype-occurs n c sub)))
4832+ %collection (lien args.t |=(c=itype (itype-occurs n c sub)))
4651 %fn |($(t sample.t) $(t product.t))
4834 %fn |($(t sample.t) $(t product.t))
4652 %cell |($(t hed.t) $(t tal.t))
4835 %cell |($(t hed.t) $(t tal.t))
@@ -4664,12 +4847,53 @@
4664 =. a (itype-walk a sub)
4847 =. a (itype-walk a sub)
4665 =. b (itype-walk b sub)
4848 =. b (itype-walk b sub)
4666 ?: =(a b) `sub
4849 ?: =(a b) `sub
4850+ ?: &(?=(%grec -.a) ?=(%grec -.b))
4851+ ?. &(=(at.a at.b) =(name.a name.b)) ~
4852+ (itype-unify-args args.a args.b sub)
4853+ ?: &(?=(%jrec -.a) ?=(%jrec -.b))
4854+ ?:(&(=(at.a at.b) =(name.a name.b) =(head.a head.b) =(aura.a aura.b) =(tail.a tail.b)) `sub ~)
4855+ ?: &(?=(%recursive -.a) ?=(%recursive -.b))
4856+ ?:(&(=(module.a module.b) =(name.a name.b)) `sub ~)
4857+ ?: &(?=(%union -.a) ?=(%union -.b))
4858+ ?. =(origin.a origin.b) ~
4859+ ?: &(?=(~ args.a) ?=(~ args.b)) ?:(=(cases.a cases.b) `sub ~)
4861+ (itype-unify-args args.a args.b sub)
4862+ ?: &(?=(%collection -.a) ?=(%collection -.b))
4863+ ?. =(name.a name.b) ~
4864+ (itype-unify-args args.a args.b sub)
4667 ?: ?=(%var -.a)
4865 ?: ?=(%var -.a)
4668 ?: (itype-occurs id.a b sub) ~
4866 ?: (itype-occurs id.a b sub) ~
4669 `[[id.a b] sub]
4867 `[[id.a b] sub]
4670 ?: ?=(%var -.b)
4868 ?: ?=(%var -.b)
4671 ?: (itype-occurs id.b a sub) ~
4869 ?: (itype-occurs id.b a sub) ~
4672 `[[id.b a] sub]
4870 `[[id.b a] sub]
4871+ :: Arithmetic's aura variable excludes loobeans; decimal literals
4872+ :: remain defaultable until a later constraint makes them concrete.
4873+ ?: &(?=(%nvar -.a) ?=(%rvar -.b))
4874+ `[[id.b [%rnvar id.a]] [id.a [%rnvar id.a]] sub]
4875+ ?: &(?=(%rvar -.a) ?=(%nvar -.b))
4876+ `[[id.a [%rnvar id.b]] [id.b [%rnvar id.b]] sub]
4877+ ?: &(?=(%rnvar -.a) ?=(%rvar -.b)) `[[id.b a] sub]
4878+ ?: &(?=(%rvar -.a) ?=(%rnvar -.b)) `[[id.a b] sub]
4879+ ?: &(?=(%rnvar -.a) ?=(%nvar -.b)) `[[id.b a] sub]
4880+ ?: &(?=(%nvar -.a) ?=(%rnvar -.b)) `[[id.a b] sub]
4881+ ?: &(?=(%rnvar -.a) ?=(%avar -.b)) `[[id.b a] sub]
4882+ ?: &(?=(%avar -.a) ?=(%rnvar -.b)) `[[id.a b] sub]
4884+ ?. |(?=(%rnvar -.b) ?=(%atom -.b)) ~
4889+ ?: &(?=(%avar -.a) ?=(%rvar -.b)) `[[id.a b] sub]
4890+ ?: &(?=(%rvar -.a) ?=(%avar -.b)) `[[id.b a] sub]
4892+ ?. |(?=(%rvar -.b) ?=(%atom -.b)) ~
4673 :: The narrower decimal constraint survives a match with an atom
4897 :: The narrower decimal constraint survives a match with an atom
4674 :: variable; decimal syntax alone does not make it a loobean.
4898 :: variable; decimal syntax alone does not make it a loobean.
4675 ?: &(?=(%nvar -.a) ?=(%avar -.b)) `[[id.b a] sub]
4899 ?: &(?=(%nvar -.a) ?=(%avar -.b)) `[[id.b a] sub]
@@ -4686,7 +4910,12 @@
4686 ?: ?=(%avar -.b)
4910 ?: ?=(%avar -.b)
4687 ?. |(?=(%atom -.a) ?=(%any-atom -.a) ?=(%flag -.a)) ~
4911 ?. |(?=(%atom -.a) ?=(%any-atom -.a) ?=(%flag -.a)) ~
4688 `[[id.b a] sub]
4912 `[[id.b a] sub]
4913+ ?: &(?=(%const -.a) ?=(%const -.b))
4914+ ?:(=(val.literal.a val.literal.b) `sub ~)
4689 ?: &(?=(%atom -.a) ?=(%atom -.b)) ~
4915 ?: &(?=(%atom -.a) ?=(%atom -.b)) ~
4916+ ?: &(?=(%face -.a) ?=(%face -.b))
4917+ ?. =(name.a name.b) ~
4918+ $(a body.a, b body.b)
4690 ?: &(?=(%fn -.a) ?=(%fn -.b))
4919 ?: &(?=(%fn -.a) ?=(%fn -.b))
4691 =/ first=(unit isub) $(a sample.a, b sample.b)
4920 =/ first=(unit isub) $(a sample.a, b sample.b)
4692 ?~ first ~
4921 ?~ first ~
@@ -4697,6 +4926,15 @@
4697 $(a tal.a, b tal.b, sub u.first)
4926 $(a tal.a, b tal.b, sub u.first)
4930+ |= [as=(list itype) bs=(list itype) sub=isub]
4932+ ?~ as ?~(bs `sub ~)
4934+ =/ next=(unit isub) (itype-unify i.as i.bs sub)
4936+ $(as t.as, bs t.bs, sub u.next)
4700:: +itype-fit: one-way widening from an actual type to an expected type
4938:: +itype-fit: one-way widening from an actual type to an expected type
4702:: An unknown variable used where @ is expected gains a fresh atom
4940:: An unknown variable used where @ is expected gains a fresh atom
@@ -4710,10 +4948,22 @@
4715 %any-atom &
4955 %any-atom &
4961+ %union |((lien cases.t |=(c=itype (itype-has-any-atom c sub))) (lien args.t |=(c=itype (itype-has-any-atom c sub))))
4964+ %grec (lien args.t |=(c=itype (itype-has-any-atom c sub)))
4965+ %collection (lien args.t |=(c=itype (itype-has-any-atom c sub)))
4717 %fn |($(t sample.t) $(t product.t))
4967 %fn |($(t sample.t) $(t product.t))
4718 %cell |($(t hed.t) $(t tal.t))
4968 %cell |($(t hed.t) $(t tal.t))
@@ -4736,6 +4986,14 @@
4736:: Related auras in a structural unification need a common-type rule;
4986:: Related auras in a structural unification need a common-type rule;
4737:: until that rule is implemented, report an unknown rather than error.
4987:: until that rule is implemented, report an unknown rather than error.
4989+++ itype-family-related-collection-args
4990+ |= [as=(list itype) bs=(list itype) sub=isub]
4994+ ?: (itype-family-related i.as i.bs sub) &
4995+ $(as t.as, bs t.bs)
4739++ itype-family-related
4997++ itype-family-related
4740 |= [a=itype b=itype sub=isub]
4998 |= [a=itype b=itype sub=isub]
@@ -4744,6 +5002,12 @@
4744 ?: &(?=(%atom -.a) ?=(%atom -.b))
5002 ?: &(?=(%atom -.a) ?=(%atom -.b))
4745 ?. !=(aura.a aura.b) |
5003 ?. !=(aura.a aura.b) |
4746 |((aura-prefix aura.a aura.b) (aura-prefix aura.b aura.a))
5004 |((aura-prefix aura.a aura.b) (aura-prefix aura.b aura.a))
5005+ ?: &(?=(%collection -.a) ?=(%collection -.b))
5006+ ?. =(name.a name.b) |
5007+ (itype-family-related-collection-args args.a args.b sub)
5008+ ?: &(?=(%face -.a) ?=(%face -.b))
5009+ ?. =(name.a name.b) |
5010+ $(a body.a, b body.b)
4747 ?: &(?=(%cell -.a) ?=(%cell -.b))
5011 ?: &(?=(%cell -.a) ?=(%cell -.b))
4748 |($(a hed.a, b hed.b) $(a tal.a, b tal.b))
5012 |($(a hed.a, b hed.b) $(a tal.a, b tal.b))
4749 ?: &(?=(%fn -.a) ?=(%fn -.b))
5013 ?: &(?=(%fn -.a) ?=(%fn -.b))
@@ -4760,10 +5024,22 @@
4760 ?- -.typ
5024 ?- -.typ
4765 %any-atom &
5031 %any-atom &
5037+ %union |((lien cases.typ |=(c=itype (itype-has-fixed-atom c))) (lien args.typ |=(c=itype (itype-has-fixed-atom c))))
5040+ %grec (lien args.typ |=(c=itype (itype-has-fixed-atom c)))
5041+ %collection (lien args.typ |=(c=itype (itype-has-fixed-atom c)))
5042+ %face $(typ body.typ)
4767 %fn |($(typ sample.typ) $(typ product.typ))
5043 %fn |($(typ sample.typ) $(typ product.typ))
4768 %cell |($(typ hed.typ) $(typ tal.typ))
5044 %cell |($(typ hed.typ) $(typ tal.typ))
@@ -4781,16 +5057,445 @@
4781 ?: &(?=(%any-atom -.b) |(?=(%atom -.a) ?=(%flag -.a))) `b
5057 ?: &(?=(%any-atom -.b) |(?=(%atom -.a) ?=(%flag -.a))) `b
5060+:: Unifying an already-bound tuple with a faced position would need to
5061+:: update the bound type. Until substitutions can retain that information,
5062+:: variable-dependent face merges stay unresolved.
5065+ |= [t=itype sub=isub]
5067+ =. t (itype-walk t sub)
5069+ %grec (lien args.t |=(c=itype (itype-has-face c sub)))
5070+ %collection (lien args.t |=(c=itype (itype-has-face c sub)))
5072+ %cell |($(t hed.t) $(t tal.t))
5073+ %fn |($(t sample.t) $(t product.t))
5077+:: Closed function samples may omit a slot face, but a known name must
5078+:: match another known name. Keep nested value faces and require exact
5079+:: invariant compatibility; a faced tail against a cell is ambiguous.
5080+++ itype-closed-slot-match
5081+ |= [a=itype b=itype]
5083+ ?: &(?=(%face -.a) ?=(%face -.b))
5084+ ?. =(name.a name.b) |
5085+ ?=(^ (itype-unify body.a body.b ~))
5086+ ?: ?=(%face -.a) ?=(^ (itype-unify body.a b ~))
5087+ ?: ?=(%face -.b) ?=(^ (itype-unify a body.b ~))
5088+ ?=(^ (itype-unify a b ~))
5089+++ itype-closed-sample-match
5090+ |= [a=itype b=itype fuel=@ud]
5093+ ?. &(?=(%cell -.a) ?=(%cell -.b)) |
5094+ ?. (itype-closed-slot-match hed.a hed.b) |
5097+ ?: &(?=(%cell -.x) ?=(%cell -.y))
5098+ ?=(^ (itype-unify x y ~))
5099+ ?: |(&(?=(%face -.x) ?=(%cell -.y)) &(?=(%cell -.x) ?=(%face -.y))) |
5100+ (itype-closed-slot-match x y)
5101+++ itype-closed-gates-match
5102+ |= [a=itype b=itype]
5104+ ?. &(?=(%fn -.a) ?=(%fn -.b)) |
5105+ ?. &(?=(%cell -.sample.a) ?=(%cell -.sample.b)) |
5106+ ?. =(product.a product.b) |
5107+ ?^ (itype-vars a) |
5108+ ?^ (itype-vars b) |
5109+ ?: |((itype-has-tag a) (itype-has-tag b)) |
5110+ ?. (itype-closed-sample-match sample.a sample.b 1.024) |
5111+ ?=(^ (itype-unify product.a product.b ~))
5113+++ itype-face-asym-collection-args
5114+ |= [as=(list itype) bs=(list itype) sub=isub]
5118+ ?: (itype-face-asym i.as i.bs sub) &
5119+ $(as t.as, bs t.bs)
5122+ |= [a=itype b=itype sub=isub]
5124+ =. a (itype-walk a sub)
5125+ =. b (itype-walk b sub)
5126+ ?: &(?=(%grec -.a) ?=(%grec -.b))
5127+ ?. &(=(at.a at.b) =(name.a name.b)) |
5128+ (itype-face-asym-collection-args args.a args.b sub)
5129+ ?: &(?=(%collection -.a) ?=(%collection -.b))
5130+ ?. =(name.a name.b) |
5131+ (itype-face-asym-collection-args args.a args.b sub)
5132+ ?: &(?=(%face -.a) ?=(%face -.b)) $(a body.a, b body.b)
5133+ ?: ?=(%face -.a) !|(?=(%var -.b) ?=(%avar -.b) ?=(%rvar -.b) |(?=(%nvar -.b) ?=(%rnvar -.b)))
5134+ ?: ?=(%face -.b) !|(?=(%var -.a) ?=(%avar -.a) ?=(%rvar -.a) |(?=(%nvar -.a) ?=(%rnvar -.a)))
5135+ ?: &(?=(%cell -.a) ?=(%cell -.b)) |($(a hed.a, b hed.b) $(a tal.a, b tal.b))
5136+ ?: &(?=(%fn -.a) ?=(%fn -.b)) |($(a sample.a, b sample.b) $(a product.a, b product.b))
5139+:: A successful cast keeps any explicit faces from either side while
5140+:: retaining the target's aura choices. Both faces have already matched.
5142+++ itype-merge-faces
5143+ |= [actual=itype expected=itype sub=isub]
5145+ =. actual (itype-walk actual sub)
5146+ =. expected (itype-walk expected sub)
5147+ ?: &(?=(%face -.actual) ?=(%face -.expected))
5148+ [%face name.expected $(actual body.actual, expected body.expected)]
5149+ ?: ?=(%face -.actual)
5150+ [%face name.actual $(actual body.actual)]
5151+ ?: ?=(%face -.expected)
5152+ [%face name.expected $(expected body.expected)]
5153+ ?: &(?=(%cell -.actual) ?=(%cell -.expected))
5154+ [%cell $(actual hed.actual, expected hed.expected) $(actual tal.actual, expected tal.expected)]
5157+:: Positional call arguments do not write the sample's enclosing field
5158+:: labels. Ignore one raw sample-slot face per written argument while
5159+:: checking value faces as usual. An unknown or variable-bound cell spine
5160+:: cannot justify this distinction, so keep the existing conservative guard.
5161+++ itype-positional-slot-face-asym
5162+ |= [actual=itype expected=itype sub=isub]
5164+ ?: &(?=(%fn -.actual) ?=(%fn -.expected) (itype-closed-gates-match actual expected)) |
5165+ (itype-face-asym actual expected sub)
5167+++ itype-positional-face-asym
5168+ |= [args=(list expr) actual=itype expected=itype sub=isub]
5172+ =/ slot=itype expected
5173+ =? slot ?=(%face -.slot) body.slot
5174+ (itype-positional-slot-face-asym actual slot sub)
5175+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) &
5176+ =/ slot=itype hed.expected
5177+ =? slot ?=(%face -.slot) body.slot
5178+ ?: (itype-positional-slot-face-asym hed.actual slot sub) &
5179+ $(args t.args, actual tal.actual, expected tal.expected)
5181+++ itype-output-may-be-cell
5182+ |= [t=itype sub=isub]
5184+ =. t (itype-walk t sub)
5195+ %fn |($(t sample.t) $(t product.t))
5200+ |= [tags=(list ipending) sub=isub]
5203+ ?~ (itype-lookup id.i.tags sub) &
5207+ |= [tags=(list ipending) sub=isub]
5210+ ?: &(?=(%null form.literal.i.tags) ?=(~ (itype-lookup id.i.tags sub))) &
5213+:: Tags remain constrained until a mold selects a case or permitted atom
5214+:: type. Never generalize an unresolved tag through aliases or cells.
5221+ %grec (lien args.t |=(c=itype (itype-has-tag c)))
5222+ %collection (lien args.t |=(c=itype (itype-has-tag c)))
5224+ %fn |($(t sample.t) $(t product.t))
5225+ %cell |($(t hed.t) $(t tal.t))
5226+ %union |((lien cases.t |=(c=itype (itype-has-tag c))) (lien args.t |=(c=itype (itype-has-tag c))))
5235+ %grec (lien args.t |=(c=itype (itype-has-union c)))
5236+ %collection (lien args.t |=(c=itype (itype-has-union c)))
5238+ %fn |($(t sample.t) $(t product.t))
5239+ %cell |($(t hed.t) $(t tal.t))
5243+:: Until a visible generic alias can be selected, expanding a named
5244+:: generic union would hide phantom arguments and its origin. This is a
5245+:: limitation of partial inference, not the unnamed-union print notation.
5247+++ itype-has-hidden-generic
5252+ ?: &(?=(~ label.t) ?=(^ args.t)) &
5253+ (lien (weld args.t cases.t) |=(c=itype (itype-has-hidden-generic c)))
5254+ %grec |(?=(~ label.t) (lien args.t |=(c=itype (itype-has-hidden-generic c))))
5255+ %collection (lien args.t |=(c=itype (itype-has-hidden-generic c)))
5257+ %fn |($(t sample.t) $(t product.t))
5258+ %cell |($(t hed.t) $(t tal.t))
5262+++ itype-has-recursive
5269+ %collection (lien args.t |=(c=itype (itype-has-recursive c)))
5270+ %union (lien (weld args.t cases.t) |=(c=itype (itype-has-recursive c)))
5272+ %cell |($(t hed.t) $(t tal.t))
5273+ %fn |($(t sample.t) $(t product.t))
5277+++ itype-has-hidden-recursive
5281+ %recursive ?=(~ label.t)
5282+ %jrec ?=(~ label.t)
5283+ %grec |(?=(~ label.t) (lien args.t |=(c=itype (itype-has-hidden-recursive c))))
5284+ %collection (lien args.t |=(c=itype (itype-has-hidden-recursive c)))
5285+ %union (lien (weld args.t cases.t) |=(c=itype (itype-has-hidden-recursive c)))
5287+ %cell |($(t hed.t) $(t tal.t))
5288+ %fn |($(t sample.t) $(t product.t))
5293+ |= [actual=itype cases=(list itype) sub=isub next=@ud]
5295+ =/ good=(unit ifit) ~
5299+ ?: pending [%unknown ~]
5302+ =/ trial=ifit (itype-fit actual i.cases sub next)
5304+ %unknown $(cases t.cases, pending &)
5305+ %bad $(cases t.cases)
5307+ ?^ good [%unknown ~]
5308+ $(cases t.cases, good `trial)
5311+:: A constructor needs a case whose head has the same literal noun as its
5312+:: tag. An unresolved or opaque case may reveal one later, so it cannot
5313+:: prove a mismatch or a unique match. A broad atom mold is not a case.
5315+++ itype-fit-ctor-cases
5316+ |= [tag=lit sample=itype cases=(list itype) sub=isub next=@ud]
5318+ =/ found=(unit ifit) ~
5322+ ?: pending [%unknown ~]
5325+ =/ raw=itype i.cases
5327+ $(cases t.cases, pending &)
5328+ =/ c=itype (itype-walk raw sub)
5329+ ?: ?=(?(%var %tag %recursive %jrec %grec %union %face) -.c)
5330+ $(cases t.cases, pending &)
5331+ ?. ?=(%cell -.c) $(cases t.cases)
5332+ =/ raw-head=itype hed.c
5333+ ?: ?=(%var -.raw-head)
5334+ $(cases t.cases, pending &)
5335+ =/ head=itype (itype-walk raw-head sub)
5336+ :: A single faced, explicitly atom-only head cannot be the tag case.
5337+ :: Do not follow variables or peel nested faces for this negative proof.
5338+ ?: ?=(%face -.head)
5339+ ?: ?=(?(%atom %any-atom %flag %avar %rvar %nvar %rnvar) -.body.head)
5341+ $(cases t.cases, pending &)
5342+ ?: ?=(?(%var %tag %recursive %jrec %grec %union) -.head)
5343+ $(cases t.cases, pending &)
5344+ ?. ?=(%const -.head) $(cases t.cases)
5345+ ?. =(val.literal.head val.tag) $(cases t.cases)
5346+ :: Equal heads can have disjoint payloads. Test each from the original
5347+ :: substitution; a unique success is usable only with no unknown rival.
5348+ =/ trial=ifit (itype-fit sample tal.c sub next)
5350+ %bad $(cases t.cases)
5351+ %unknown $(cases t.cases, pending &)
5353+ ?^ found [%unknown ~]
5354+ $(cases t.cases, found `trial)
4784++ itype-fit
5357++ itype-fit
4785 |= [actual=itype expected=itype sub=isub next=@ud]
5358 |= [actual=itype expected=itype sub=isub next=@ud]
5360+ =/ result=ifit (itype-fit-inner actual expected sub next | |)
5361+ ?: ?=(%ok -.result) result
5362+ =/ source=itype (itype-walk actual sub)
5363+ ?. ?=(?(%empty %face %cell %union) -.source) result
5364+ =/ empty=(unit [empty=? left=@ud]) (itype-empty-proof actual sub 256)
5365+ ?~ empty [%unknown ~]
5366+ ?: empty.u.empty [%ok sub next]
5369+ |= [actual=itype expected=itype sub=isub next=@ud skip-width=? spine-proof=?]
5371+ ?: &(!skip-width ?=(%cell -.actual) ?=(%cell -.expected) |((width-spine-exhausted actual 1.024) (width-spine-exhausted expected 1.024)))
5373+ =/ known=(unit [source=iwfields target=iwfields])
5375+ (width-known-shape actual expected sub)
5376+ =/ too-wide=? ?~(known | (gth (lent order.source.u.known) (lent order.target.u.known)))
5377+ ?: too-wide [%unknown ~]
5378+ =/ spine-checked=? |(spine-proof ?=(^ known))
4787 =/ uncertain=?
5379 =/ uncertain=?
4788− |(?=(%var -.actual) ?=(%avar -.actual) ?=(%nvar -.actual) ?=(%var -.expected) ?=(%avar -.expected) ?=(%nvar -.expected))
5380+ |(?=(%var -.actual) ?=(%avar -.actual) ?=(%rvar -.actual) |(?=(%nvar -.actual) ?=(%rnvar -.actual)) ?=(%var -.expected) ?=(%avar -.expected) ?=(%rvar -.expected) |(?=(%nvar -.expected) ?=(%rnvar -.expected)))
5382+ |(?=(%var -.actual) ?=(%avar -.actual) ?=(%rvar -.actual) |(?=(%nvar -.actual) ?=(%rnvar -.actual)))
4789 =. actual (itype-walk actual sub)
5383 =. actual (itype-walk actual sub)
4790 =. expected (itype-walk expected sub)
5384 =. expected (itype-walk expected sub)
4791 ?: =(actual expected) [%ok sub next]
5385 ?: =(actual expected) [%ok sub next]
5386+ ?: &(?=(%empty -.expected) |(?=(%cell -.actual) ?=(%face -.actual) ?=(%union -.actual) ?=(%grec -.actual) ?=(%recursive -.actual))) [%unknown ~]
5387+ :: The relation of the source loobean mold to explicit @f is not yet
5388+ :: established. Keep it unsupported rather than asserting a mismatch.
5389+ ?: &(?=(%flag -.actual) ?=(%atom -.expected) =(%f aura.expected)) [%unknown ~]
5390+ :: Any value can be used where a noun is expected. An unresolved
5391+ :: bare tag is fixed as a constant; a constructor still needs a gate.
5392+ ?: ?=(%noun -.expected)
5393+ ?: ?=(%tag -.actual)
5394+ ?: constructor.actual [%unknown ~]
5395+ [%ok [[id.actual expected] sub] next]
5397+ :: An arbitrary noun is not known to fit a narrower type.
5398+ ?: &(?=(%noun -.actual) !?=(%var -.expected)) [%unknown ~]
5399+ ?: &(!uncertain ?=(%grec -.actual) ?=(%face -.expected)) $(expected body.expected)
5400+ ?: &(!uncertain ?=(%face -.actual) ?=(%grec -.expected)) $(actual body.actual)
5401+ ?: &(?=(%grec -.actual) ?=(%grec -.expected))
5402+ ?. &(=(at.actual at.expected) =(name.actual name.expected)) [%unknown ~]
5403+ =/ matched=(unit isub) (itype-unify-args args.actual args.expected sub)
5404+ ?~ matched [%unknown ~]
5405+ [%ok u.matched next]
5406+ ?: &(|(?=(%grec -.actual) ?=(%grec -.expected)) !|(?=(%var -.actual) ?=(%var -.expected))) [%unknown ~]
5407+ ?: &(!uncertain ?=(%jrec -.actual) ?=(%face -.expected)) $(expected body.expected)
5408+ ?: &(!uncertain ?=(%face -.actual) ?=(%jrec -.expected)) $(actual body.actual)
5409+ ?: &(?=(%jrec -.actual) ?=(%jrec -.expected))
5410+ ?:(&(=(at.actual at.expected) =(name.actual name.expected) =(head.actual head.expected) =(aura.actual aura.expected) =(tail.actual tail.expected)) [%ok sub next] [%bad ~])
5411+ ?: &(|(?=(%jrec -.actual) ?=(%jrec -.expected)) !|(?=(%var -.actual) ?=(%var -.expected))) [%unknown ~]
5412+ ?: &(?=(%recursive -.actual) ?=(%recursive -.expected))
5413+ ?:(&(=(module.actual module.expected) =(name.actual name.expected)) [%ok sub next] [%bad ~])
5414+ ?: &(|(?=(%recursive -.actual) ?=(%recursive -.expected)) !|(?=(%var -.actual) ?=(%var -.expected))) [%unknown ~]
5415+ ?: &(?=(%union -.actual) ?=(%union -.expected))
5416+ ?. =(origin.actual origin.expected) [%unknown ~]
5417+ ?: &(?=(~ args.actual) ?=(~ args.expected))
5418+ ?:(=(cases.actual cases.expected) [%ok sub next] [%unknown ~])
5419+ ?~ origin.actual [%unknown ~]
5420+ =/ unified=(unit isub) (itype-unify-args args.actual args.expected sub)
5421+ ?^ unified [%ok u.unified next]
5423+ :: A known union can instantiate an unconstrained sample directly;
5424+ :: preserve unknown results for variable-bound union origins.
5425+ ?: &(!actual-open ?=(%union -.actual) ?=(%var -.expected))
5426+ ?~ origin.actual [%unknown ~]
5427+ =/ normalized=itype (itype-normalize actual sub)
5428+ ?: |((itype-has-tag normalized) (itype-has-recursive normalized) (itype-has-any-atom actual sub)) [%unknown ~]
5429+ =/ unified=(unit isub) (itype-unify actual expected sub)
5430+ ?~ unified [%unknown ~]
5431+ [%ok u.unified next]
5432+ :: A concrete union value in a tuple may acquire the expected field's
5433+ :: face. A variable-bound union still needs face propagation support.
5434+ ?: &(!uncertain ?=(%union -.actual) ?=(%face -.expected))
5435+ $(expected body.expected)
5436+ ?: ?=(%union -.actual) [%unknown ~]
5437+ ?: &(?=(%union -.expected) |(?=(%avar -.actual) ?=(%rvar -.actual) |(?=(%nvar -.actual) ?=(%rnvar -.actual)))) [%unknown ~]
5438+ ?: &(?=(%union -.expected) !?=(%var -.actual))
5439+ (itype-fit-cases actual cases.expected sub next)
5440+ ?: ?=(%tag -.actual)
5441+ ?: ?=(%var -.expected)
5442+ =/ u=(unit isub) (itype-unify actual expected sub)
5445+ ?: |(?=(%avar -.expected) ?=(%rvar -.expected) |(?=(%nvar -.expected) ?=(%rnvar -.expected))) [%unknown ~]
5446+ ?: ?=(%face -.expected) $(expected body.expected)
5447+ ?: constructor.actual
5448+ ?. ?=(%fn -.expected) [%bad ~]
5449+ =/ product=itype (itype-walk product.expected sub)
5450+ =/ cases=(list itype) ?:(?=(%union -.product) cases.product ~[product])
5451+ =/ trial=ifit (itype-fit-ctor-cases literal.actual sample.expected cases sub next)
5452+ ?. ?=(%ok -.trial) trial
5453+ [%ok [[id.actual expected] sub.trial] next.trial]
5454+ :: Zero may be the empty list. A nested cell fit lacks the context
5455+ :: needed to resolve it here, so do not report a definite mismatch.
5456+ ?: &(?=(%collection -.expected) =(%list name.expected) =(0 val.literal.actual))
5458+ ?: ?=(%const -.expected)
5459+ ?:(=(val.literal.actual val.literal.expected) [%ok [[id.actual expected] sub] next] [%bad ~])
5460+ ?: ?=(%atom -.expected)
5461+ ?: |(=(%tas aura.expected) =(%ta aura.expected))
5462+ [%ok [[id.actual expected] sub] next]
5464+ ?: ?=(%flag -.expected)
5465+ ?:(|(=(0 val.literal.actual) =(1 val.literal.actual)) [%ok [[id.actual expected] sub] next] [%bad ~])
5466+ ?: ?=(%any-atom -.expected) [%ok [[id.actual expected] sub] next]
5468+ ?: ?=(%const -.actual)
5469+ ?: ?=(%var -.expected)
5470+ =/ u=(unit isub) (itype-unify actual expected sub)
5473+ ?: |(?=(%avar -.expected) ?=(%rvar -.expected) |(?=(%nvar -.expected) ?=(%rnvar -.expected))) [%unknown ~]
5474+ ?: ?=(%face -.expected) $(expected body.expected)
5475+ ?: &(?=(%collection -.expected) =(%list name.expected) =(0 val.literal.actual))
5477+ ?: ?=(%const -.expected)
5478+ ?:(=(val.literal.actual val.literal.expected) [%ok sub next] [%bad ~])
5479+ ?: ?=(%atom -.expected)
5480+ :: A loobean singleton must not silently widen into another aura.
5481+ ?: =(%loobean form.literal.actual)
5482+ ?: =(%f aura.expected) [%unknown ~]
5484+ ?: |(=(%tas aura.expected) =(%ta aura.expected)) [%ok sub next]
5486+ ?: ?=(%flag -.expected)
5487+ ?:(|(=(0 val.literal.actual) =(1 val.literal.actual)) [%ok sub next] [%bad ~])
5488+ ?: ?=(%any-atom -.expected) [%ok sub next]
5490+ ?: &(uncertain (itype-face-asym actual expected sub)) [%unknown ~]
5491+ :: A known face labels the same noun. Peel it before applying the
5492+ :: directional unrestricted-atom rule, preserving raw-variable guards.
5493+ ?: &(!uncertain ?=(%any-atom -.actual) ?=(%face -.expected))
5494+ $(expected body.expected, skip-width |, spine-proof |)
5495+ ?: &(!uncertain ?=(%any-atom -.expected) ?=(%face -.actual))
5496+ $(actual body.actual, skip-width |, spine-proof |)
4792 ?: ?=(%any-atom -.expected)
5497 ?: ?=(%any-atom -.expected)
4793− ?: |(?=(%atom -.actual) ?=(%avar -.actual) ?=(%nvar -.actual) ?=(%flag -.actual)) [%ok sub next]
5498+ ?: |(?=(%atom -.actual) ?=(%avar -.actual) ?=(%rvar -.actual) |(?=(%nvar -.actual) ?=(%rnvar -.actual)) ?=(%flag -.actual)) [%ok sub next]
4794 ?: ?=(%var -.actual)
5499 ?: ?=(%var -.actual)
4795 =/ unified=(unit isub) (itype-unify actual [%avar next] sub)
5500 =/ unified=(unit isub) (itype-unify actual [%avar next] sub)
4796 ?~ unified [%bad ~]
5501 ?~ unified [%bad ~]
@@ -4801,28 +5506,48 @@
4801 =/ unified=(unit isub) (itype-unify actual expected sub)
5506 =/ unified=(unit isub) (itype-unify actual expected sub)
4802 ?~ unified [%bad ~]
5507 ?~ unified [%bad ~]
4803 [%ok u.unified next]
5508 [%ok u.unified next]
4804− ?: |(?=(%avar -.expected) ?=(%nvar -.expected)) [%unknown ~]
5509+ ?: |(?=(%avar -.expected) ?=(%rvar -.expected) |(?=(%nvar -.expected) ?=(%rnvar -.expected))) [%unknown ~]
4805 [%bad ~]
5510 [%bad ~]
4806 ?: &(?=(%atom -.actual) ?=(%atom -.expected))
5511 ?: &(?=(%atom -.actual) ?=(%atom -.expected))
4807 ?: (aura-prefix aura.expected aura.actual) [%ok sub next]
5512 ?: (aura-prefix aura.expected aura.actual) [%ok sub next]
4808 ?: &((aura-prefix aura.actual aura.expected) uncertain) [%unknown ~]
5513 ?: &((aura-prefix aura.actual aura.expected) uncertain) [%unknown ~]
4809 [%bad ~]
5514 [%bad ~]
4810 ?: &(?=(%cell -.actual) ?=(%cell -.expected))
5515 ?: &(?=(%cell -.actual) ?=(%cell -.expected))
4811− =/ first=ifit $(actual hed.actual, expected hed.expected)
5516+ =/ first=ifit $(actual hed.actual, expected hed.expected, skip-width |, spine-proof |)
4812 ?. ?=(%ok -.first) first
5517 ?. ?=(%ok -.first) first
4813− $(actual tal.actual, expected tal.expected, sub sub.first, next next.first)
5518+ $(actual tal.actual, expected tal.expected, sub sub.first, next next.first, skip-width spine-checked, spine-proof spine-checked)
5519+ :: A field may add a face to an occurrence of the very same type
5520+ :: variable. Binding that variable to a face around itself would fail
5521+ :: the occurs check, but its underlying type has already matched.
5522+ ?: &(?=(%var -.actual) ?=(%face -.expected) =(actual (itype-walk body.expected sub)))
5524+ :: Differing variables and faces need propagation that is not yet
5525+ :: represented. Binding one to the face can create a false mismatch.
5526+ ?: &(?=(%var -.actual) ?=(%face -.expected)) [%unknown ~]
5527+ ?: &(?=(%face -.actual) ?=(%var -.expected)) [%unknown ~]
4814 ?: &(?=(%var -.actual) (itype-has-any-atom expected sub))
5528 ?: &(?=(%var -.actual) (itype-has-any-atom expected sub))
4815 [%unknown ~]
5529 [%unknown ~]
4816 ?: |(?=(%var -.actual) ?=(%var -.expected))
5530 ?: |(?=(%var -.actual) ?=(%var -.expected))
4817 =/ unified=(unit isub) (itype-unify actual expected sub)
5531 =/ unified=(unit isub) (itype-unify actual expected sub)
4818 ?~ unified
5532 ?~ unified
5533+ ?: |(?=(%face -.actual) ?=(%face -.expected)) [%unknown ~]
5534+ ?: |((itype-has-recursive (itype-normalize actual sub)) (itype-has-recursive (itype-normalize expected sub))) [%unknown ~]
4819 ?: (itype-family-related actual expected sub) [%unknown ~]
5535 ?: (itype-family-related actual expected sub) [%unknown ~]
4820 [%bad ~]
5536 [%bad ~]
4821 [%ok u.unified next]
5537 [%ok u.unified next]
5538+ ?: &(?=(%face -.actual) ?=(%face -.expected))
5539+ ?. =(name.actual name.expected) [%bad ~]
5540+ $(actual body.actual, expected body.expected, skip-width |, spine-proof |)
5541+ ?: ?=(%face -.actual) $(actual body.actual, skip-width |, spine-proof |)
5542+ ?: ?=(%face -.expected) $(expected body.expected, skip-width |, spine-proof |)
5543+ ?: &(!uncertain (itype-closed-gates-match actual expected)) [%ok sub next]
5544+ ?: (itype-face-asym actual expected sub) [%unknown ~]
4822 ?: |((itype-has-any-atom actual sub) (itype-has-any-atom expected sub))
5545 ?: |((itype-has-any-atom actual sub) (itype-has-any-atom expected sub))
4823 [%unknown ~]
5546 [%unknown ~]
4824 =/ unified=(unit isub) (itype-unify actual expected sub)
5547 =/ unified=(unit isub) (itype-unify actual expected sub)
4825 ?~ unified
5548 ?~ unified
5549+ ?: |((itype-has-union (itype-normalize actual sub)) (itype-has-union (itype-normalize expected sub))) [%unknown ~]
5550+ ?: |((itype-has-recursive (itype-normalize actual sub)) (itype-has-recursive (itype-normalize expected sub))) [%unknown ~]
4826 ?: (itype-family-related actual expected sub) [%unknown ~]
5551 ?: (itype-family-related actual expected sub) [%unknown ~]
4827 [%bad ~]
5552 [%bad ~]
4828 [%ok u.unified next]
5553 [%ok u.unified next]
@@ -4851,21 +5576,231 @@
4851 ["a shared type variable should reject incompatible arguments" problems]
5576 ["a shared type variable should reject incompatible arguments" problems]
4852 =? problems ?=(~ (itype-unify same fine ~))
5577 =? problems ?=(~ (itype-unify same fine ~))
4853 ["a shared type variable should accept equal arguments" problems]
5578 ["a shared type variable should accept equal arguments" problems]
5579+ =/ list-a=itype [%collection %list ~[a]]
5580+ =/ list-t=itype [%collection %list ~[txt]]
5581+ =/ list-n=itype [%collection %list ~[num]]
5582+ =? problems ?=(^ (itype-unify a list-a ~))
5583+ ["occurs check should look through collection arguments" problems]
5584+ =? problems !=((itype-vars list-a) ~[0])
5585+ ["generalization should see collection argument variables" problems]
5586+ =? problems !=((itype-rename list-a ~[[0 num]]) list-n)
5587+ ["instantiation should rename collection argument variables" problems]
5588+ =? problems ?=(^ (itype-unify list-t list-n ~))
5589+ ["collection arguments with different auras should conflict" problems]
5590+ =? problems ?=(^ (itype-unify list-t [%collection %unit ~[txt]] ~))
5591+ ["different collection names should conflict" problems]
5592+ =? problems !(itype-family-related list-t [%collection %list ~[[%atom 'tD']]] ~)
5593+ ["collection arguments should preserve aura-family uncertainty" problems]
5594+ =? problems !(itype-face-asym [%collection %list ~[[%face %x txt]]] list-t ~)
5595+ ["collection arguments should preserve face uncertainty" problems]
5596+ =/ recursive=itype [%recursive %fixture %chain `'chain.fixture']
5597+ =/ same-recursive=itype [%recursive %fixture %chain ~]
5598+ =/ other-recursive=itype [%recursive %other %chain `'chain.other']
5599+ =? problems ?=(~ (itype-unify recursive same-recursive ~))
5600+ ["recursive identity should not depend on its visible name" problems]
5601+ =? problems ?=(^ (itype-unify recursive other-recursive ~))
5602+ ["recursive identity should include the source module" problems]
5603+ =/ recursive-fit=ifit (itype-fit recursive txt ~ 0)
5604+ =? problems !?=(%unknown -.recursive-fit)
5605+ ["opaque recursive types should not be unfolded by a fit" problems]
5607+ (itype-fit [%collection %list ~[a]] list-t ~[[0 recursive]] 1)
5608+ =? problems !?=(%unknown -.nested-fit)
5609+ ["recursive types behind substitutions should remain uncertain" problems]
4854 problems
5610 problems
4856:: The expression inference below is deliberately a fragment: bindings,
5612:: The expression inference below is deliberately a fragment: bindings,
4857−:: simple gates, unary calls, fixed-aura literals, and plain strings. The
5613+:: simple gates, calls, fixed-aura literals, and some interpolated strings. The
4858:: result for unsupported syntax is a diagnostic, never a checked module.
5614:: result for unsupported syntax is a diagnostic, never a checked module.
4860+$ ischeme [typ=itype vars=(list @ud)]
5616+$ ischeme [typ=itype vars=(list @ud)]
4861+$ ienv (list [name=term scheme=ischeme])
5617+$ ienv (list [name=term scheme=ischeme])
5618++$ imold-types (list [name=term template=ischeme])
5619++$ iderived [name=term agent=term mark=term]
5620++$ iwidth-definition [name=term original=expr typ=itype sub=isub projections=(list iwprojection)]
5621++$ iwidth-dependency [at=path source=(unit @t) definitions=(list iwidth-definition)]
5622+:: Nonrecursive request evidence is compiler-owned metadata, not a property
5623+:: of an arbitrary ask value. Reader graphs and source inputs are trusted.
5624++$ irequest-evidence
5625+ [api-at=path name=term path=iapi-path-typed api-source=@t public-source=@t internal-source=@t prelude-values=(list term) prelude-molds=(list term) externals=iexternals marks=imark-externals]
5626+:: A unit distinguishes a verified empty closure from a detached legacy file.
5627+:: The opaque prelude is an exact trusted input, not a recursive interface mold.
5629+ [paths=(set path) requests=(list irequest-evidence) bundle-input=* prelude-input=* prelude-values=(list term) prelude-molds=(list term) externals=iexternals marks=imark-externals]
5630++$ ifile [values=ienv molds=imold-types at=path derived=(list iderived) elaborations=(list iwidth-definition) dependencies=(list iwidth-dependency) source=(unit @t) graph=(unit irequest-graph)]
5631++$ ijimports (list [face=term interface=ifile])
4862−+$ icaps (list [name=@t id=@ud])
5632++$ icap [name=@t id=@ud at=span]
5633++$ icaps (list icap)
5634++$ iparams (list [name=@t typ=itype])
4863+$ imolds (list [name=term body=shape])
5635+$ imolds (list [name=term body=shape])
4864:: A caller supplies the exact noun returned by +read-mold:jibb-import.
5636:: A caller supplies the exact noun returned by +read-mold:jibb-import.
4865:: This core has no Ford dependencies; unrecognized payloads fail closed.
5637:: This core has no Ford dependencies; unrecognized payloads fail closed.
4866+$ iexternals (list [module=term name=term result=*])
5638+$ iexternals (list [module=term name=term result=*])
4867+$ imark-externals (list [mark=term result=*])
5639+$ imark-externals (list [mark=term result=*])
5640+:: Hole obligations survive discarded expressions until their owning
5641+:: definition has inferred; their source spans support unresolved reports.
5642++$ ihole [id=@ud at=span]
5643+:: Recursive-mold unfolding spends fuel in the threaded inference state.
5644+:: Retries can restart from an earlier state, so this bounds an attempt,
5645+:: not all parsing or module-checking work.
5646+:: Experimental: only closed, uniquely faced records have known axes.
5647++$ iwfield [name=term axis=@ud typ=itype]
5648++$ iwfields [order=(list iwfield) index=(map term iwfield)]
5649++$ iwstep [name=term axis=@ud]
5650++$ iwidth-result [steps=(list iwstep) sub=isub next=@ud]
5651++$ iwprojection [at=span original=expr source=itype target=itype steps=(list iwstep)]
5653+ |= [typ=itype sub=isub axis=@ud fuel=@ud]
5655+ =/ order=(list iwfield) ~
5656+ =/ index=(map term iwfield) *(map term iwfield)
5659+ ?: |(?=(%var -.typ) ?=(%avar -.typ) ?=(%rvar -.typ) ?=(%nvar -.typ) ?=(%rnvar -.typ)) ~
5661+ =/ entry=iwfield [name.typ axis body.typ]
5662+ ?: ?=(^ (~(get by index) name.entry)) ~
5663+ `[(flop [entry order]) (~(put by index) name.entry entry)]
5664+ ?. ?=(%cell -.typ) ~
5665+ =/ head=itype hed.typ
5666+ ?: |(?=(%var -.head) ?=(%avar -.head) ?=(%rvar -.head) ?=(%nvar -.head) ?=(%rnvar -.head)) ~
5667+ ?. ?=(%face -.head) ~
5668+ =/ entry=iwfield [name.head (mul 2 axis) body.head]
5669+ ?: ?=(^ (~(get by index) name.entry)) ~
5670+ $(typ tal.typ, axis +((mul 2 axis)), fuel (dec fuel), order [entry order], index (~(put by index) name.entry entry))
5672+ |= [source=(list iwfield) target=(list iwfield)]
5676+ ?: =(name.i.source name.i.target) $(source t.source, target t.target)
5679+ |= [source=(map term iwfield) target=(list iwfield) sub=isub next=@ud]
5680+ ^- (unit iwidth-result)
5681+ ?~ target `[~ sub next]
5682+ =/ found=(unit iwfield) (~(get by source) name.i.target)
5684+ =/ fit=ifit (itype-fit typ.u.found typ.i.target sub next)
5686+ =/ rest=(unit iwidth-result) $(target t.target, sub sub.fit, next next.fit)
5688+ `[[[name.i.target axis.u.found] steps.u.rest] sub.u.rest next.u.rest]
5689+++ width-spine-exhausted
5690+ |= [t=itype fuel=@ud]
5694+ ?. ?=(%face -.hed.t) |
5695+ $(t tal.t, fuel (dec fuel))
5696+++ width-known-shape
5697+ |= [actual=itype expected=itype sub=isub]
5698+ ^- (unit [source=iwfields target=iwfields])
5699+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) ~
5700+ =/ source=(unit iwfields) (width-scan actual sub 1 1.024)
5701+ =/ target=(unit iwfields) (width-scan expected sub 1 1.024)
5704+ `[u.source u.target]
5707+ |= [actual=itype expected=itype sub=isub]
5708+ ^- (unit [source=iwfields target=iwfields])
5709+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) ~
5710+ =/ source=(unit iwfields) (width-scan actual sub 1 4.096)
5711+ =/ target=(unit iwfields) (width-scan expected sub 1 4.096)
5714+ ?. (gth (lent order.u.source) (lent order.u.target)) ~
5715+ `[u.source u.target]
5717+ |= [actual=itype expected=itype sub=isub]
5718+ ^- (unit [source=iwfields target=iwfields])
5719+ ?. &(|(?=(%cell -.actual) ?=(%face -.actual)) |(?=(%cell -.expected) ?=(%face -.expected))) ~
5720+ =/ source=(unit iwfields) (width-scan actual sub 1 4.096)
5721+ =/ target=(unit iwfields) (width-scan expected sub 1 4.096)
5724+ ?: (lth (lent order.u.source) (lent order.u.target)) ~
5725+ `[u.source u.target]
5728+ |= [shape=[source=iwfields target=iwfields] sub=isub next=@ud]
5729+ ^- (unit iwidth-result)
5730+ ?. (width-in-order order.source.shape order.target.shape) ~
5731+ (width-fit-fields index.source.shape order.target.shape sub next)
5733+:: Provisional, globally budgeted gate-free proof. %no includes a
5734+:: gate-bearing witness; an uninhabited sibling could invalidate it.
5735+:: Input types must be resolved and normalized under valid substitutions,
5736+:: from trusted source-backed interfaces and reader results. Collection
5737+:: list/unit names rely on their existing identity invariant; this arm
5738+:: does not validate fabricated internal types.
5740+ $% [%field name=term]
5746++$ igate-free [verdict=?(%yes %no %unknown) inhabited=? left=@ud path=(unit (list igf-segment))]
5748+ |= [types=(list itype) fuel=@ud path=(list igf-segment) index=@ud]
5750+ ?~ types [%yes | fuel ~]
5751+ ?: =(0 fuel) [%unknown | 0 ~]
5752+ =/ first=igate-free (gate-free-type i.types fuel [[%case index] path])
5753+ ?: =(%no verdict.first) first
5754+ =/ rest=igate-free $(types t.types, fuel left.first, index +(index))
5755+ ?: =(%no verdict.rest) rest
5756+ =/ inhabited=? |(inhabited.first inhabited.rest)
5757+ ?: |(=(%unknown verdict.first) =(%unknown verdict.rest)) [%unknown inhabited left.rest ~]
5758+ [%yes inhabited left.rest ~]
5760+ |= [typ=itype fuel=@ud path=(list igf-segment)]
5762+ ?: =(0 fuel) [%unknown | 0 ~]
5765+ %fn [%no & fuel `(flop path)]
5766+ %atom [%yes & fuel ~]
5767+ %any-atom [%yes & fuel ~]
5768+ %flag [%yes & fuel ~]
5769+ %const [%yes & fuel ~]
5770+ %face $(typ body.typ, path [[%field name.typ] path])
5772+ =/ head=igate-free $(typ hed.typ, path [[%head ~] path])
5773+ =/ tail=igate-free $(typ tal.typ, fuel left.head, path [[%tail ~] path])
5774+ =/ inhabited=? &(inhabited.head inhabited.tail)
5775+ ?: |(&(=(%yes verdict.head) !inhabited.head) &(=(%yes verdict.tail) !inhabited.tail)) [%yes | left.tail ~]
5776+ ?: &(=(%no verdict.head) inhabited.tail) head(left left.tail)
5777+ ?: &(=(%no verdict.tail) inhabited.head) tail
5778+ ?: |(!=(%yes verdict.head) !=(%yes verdict.tail)) [%unknown inhabited left.tail ~]
5779+ [%yes inhabited left.tail ~]
5781+ ?. |(=(%list name.typ) =(%unit name.typ)) [%unknown | fuel ~]
5782+ ?. ?=([* ~] args.typ) [%unknown | fuel ~]
5783+ =/ item=igate-free $(typ i.args.typ, path [[%item ~] path])
5786+ ?~ cases.typ [%unknown | fuel ~]
5787+ (gate-free-types cases.typ fuel path 0)
5788+ %noun [%unknown & fuel ~]
5789+ %empty [%yes | fuel ~]
5790+ %var [%unknown | fuel ~]
5791+ %avar [%yes & fuel ~]
5792+ %rvar [%yes & fuel ~]
5793+ %nvar [%yes & fuel ~]
5794+ %rnvar [%yes & fuel ~]
5795+ %tag [%unknown | fuel ~]
5796+ %recursive [%unknown | fuel ~]
5797+ %jrec [%yes & fuel ~]
5798+ %grec [%unknown | fuel ~]
5801++$ igate-prelude-evidence [iface=ifile gates=(map term def)]
5802++$ dgo [left=itype right=itype at=span context=span]
4868−+$ istate [next=@ud sub=isub caps=icaps binders=(list @ud) molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) active=(list term) in-mold=?]
5803++$ istate [next=@ud sub=isub caps=icaps binders=(list @ud) molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) jimports=ijimports reserved-molds=(list term) params=iparams active=(list term) tags=(list ipending) in-mold=? at=path top-molds=(list term) prelude=(unit ifile) holes=(list ihole) jrec-fuel=@ud projections=(list iwprojection) gate-defs=(map term def) head-evidence=(unit igate-prelude-evidence) grec-index=(unit [at=path source=@t prelude=ifile shapes=(map term shape)]) defer=(unit ~) obligations=(list dgo)]
4869+$ idiag [msg=tape sites=(list [at=span note=tape])]
5804+$ idiag [msg=tape sites=(list [at=span note=tape])]
4870+$ iresult (each [typ=itype state=istate] idiag)
5805+$ iresult (each [typ=itype state=istate] idiag)
4871+$ isample-result (each [typ=itype env=ienv state=istate] tape)
5806+$ isample-result (each [typ=itype env=ienv state=istate] tape)
@@ -4885,22 +5820,189 @@
4885 |= [t=itype sub=isub]
5820 |= [t=itype sub=isub]
4886 ^- itype
5821 ^- itype
4887 =. t (itype-walk t sub)
5822 =. t (itype-walk t sub)
5823+ ?: ?=(%grec -.t) t(args (turn args.t |=(c=itype (itype-normalize c sub))))
5824+ ?: ?=(%collection -.t) [%collection name.t (turn args.t |=(c=itype (itype-normalize c sub)))]
5826+ [%union (turn cases.t |=(c=itype (itype-normalize c sub))) origin.t label.t (turn args.t |=(c=itype (itype-normalize c sub)))]
5828+ [%face name.t $(t body.t)]
4888 ?: ?=(%fn -.t)
5829 ?: ?=(%fn -.t)
4889 [%fn $(t sample.t) $(t product.t)]
5830 [%fn $(t sample.t) $(t product.t)]
4890 ?: ?=(%cell -.t)
5831 ?: ?=(%cell -.t)
4891 [%cell $(t hed.t) $(t tal.t)]
5832 [%cell $(t hed.t) $(t tal.t)]
5836+:: Default decimal variables only in types with no gates. A gate can
5837+:: generalize an aura from its sample, which requires constraint analysis
5838+:: beyond this fragment; leave those cases unresolved.
5840+:: This helper only controls decimal defaulting in visible types. A noun
5841+:: may contain gates and is not proof of a gate-free value.
5847+ %cell |($(t hed.t) $(t tal.t))
5851+ %collection (lien args.t |=(c=itype (itype-has-gate c)))
5853+ %union (lien cases.t |=(c=itype (itype-has-gate c)))
5871+ ?: (itype-has-gate t) t
5875+ %grec t(args (turn args.t |=(c=itype (default-decimals c))))
5876+ %collection [%collection name.t (turn args.t |=(c=itype (default-decimals c)))]
5877+ %face [%face name.t $(t body.t)]
5878+ %cell [%cell $(t hed.t) $(t tal.t)]
5882+:: A hole is solved only by a fully determined type or a written
5883+:: in-scope type variable. Ordinary fresh variables are not evidence.
5884+:: Compare representatives after substitution, since unification can
5885+:: orient a written capital toward the hole rather than the reverse.
5898+++ hole-same-variable
5899+ |= [a=itype b=itype]
5901+ =/ x=(unit @ud) (hole-variable-id a)
5903+ =/ y=(unit @ud) (hole-variable-id b)
5907+ |= [t=itype state=istate]
5909+ =. t (itype-walk t sub.state)
5911+ ?(%var %avar %rvar %nvar %rnvar)
5912+ ?: (lien caps.state |=(c=icap (hole-same-variable t (itype-walk [%var id.c] sub.state)))) &
5913+ (lien params.state |=(p=[name=@t typ=itype] (hole-same-variable t (itype-walk typ.p sub.state))))
5916+ %union &((levy cases.t |=(c=itype (hole-known c state))) (levy args.t |=(c=itype (hole-known c state))))
5917+ %grec (levy args.t |=(c=itype (hole-known c state)))
5918+ %collection (levy args.t |=(c=itype (hole-known c state)))
5920+ %fn &($(t sample.t) $(t product.t))
5921+ %cell &($(t hed.t) $(t tal.t))
5924+++ promote-restricted-numbers
5925+ |= [state=istate env=ienv]
5927+ :: With no written capitals, there is nothing to promote.
5928+ ?~ caps.state state
5929+ =/ ids=(list @ud) (turn caps.state |=(c=icap id.c))
5930+ =/ free=(list @ud) (free-env-vars env sub.state)
5933+ =/ t=itype (itype-walk [%var i.ids] sub.state)
5934+ ?: &(?=(%rnvar -.t) !(lien free |=(n=@ud =(n +.t))))
5935+ $(ids t.ids, state state(sub [[+.t [%rvar +.t]] sub.state]))
5938+++ default-hole-numbers
5939+ |= [all=(list ihole) prior=(list ihole) state=istate env=ienv permit=?]
5941+ :: Do not default a named capital or a variable captured from env.
5943+ ?: =(all prior) state
5945+ =/ t=itype (itype-walk [%var id.i.all] sub.state)
5946+ =/ free=(list @ud) (free-env-vars env sub.state)
5947+ =? state &(?=(?(%nvar %rnvar) -.t) !(hole-known t state) !(lien free |=(id=@ud =(id id.t))))
5948+ state(sub [[id.t [%atom %ud]] sub.state])
5951+:: Only obligations created inside this definition belong to it.
5953+ |= [all=(list ihole) prior=(list ihole)]
5957+ [i.all $(all t.all)]
5959+ |= [t=itype state=istate]
5961+ =. t (itype-walk t sub.state)
5963+ ?(%tag %nvar %rnvar %avar %rvar) !(hole-known t state)
5964+ %union |((lien cases.t |=(c=itype (hole-uncertain c state))) (lien args.t |=(c=itype (hole-uncertain c state))))
5965+ %grec (lien args.t |=(c=itype (hole-uncertain c state)))
5966+ %collection (lien args.t |=(c=itype (hole-uncertain c state)))
5968+ %fn |($(t sample.t) $(t product.t))
5969+ %cell |($(t hed.t) $(t tal.t))
5974+ |= [all=(list ihole) prior=(list ihole) state=istate]
5976+ =/ work=(list ihole) (flop (holes-created all prior))
5979+ ?: (hole-known [%var id.i.work] state) $(work t.work)
5980+ ?: (hole-uncertain [%var id.i.work] state)
5981+ `["type hole needs unsupported inference" ~[[at.i.work "type hole"]]]
5982+ `["type hole needs a determined type" ~[[at.i.work "unresolved type hole"]]]
4894++ itype-vars
5984++ itype-vars
4895 |= t=itype
5985 |= t=itype
4896 ^- (list @ud)
5986 ^- (list @ud)
4898 %var ~[id.t]
5988 %var ~[id.t]
4899 %avar ~[id.t]
5989 %avar ~[id.t]
4900 %nvar ~[id.t]
5991 %nvar ~[id.t]
4902 %any-atom ~
5994 %any-atom ~
6000+ %union (zing (turn (weld args.t cases.t) |=(c=itype (itype-vars c))))
6003+ %grec (zing (turn args.t |=(c=itype (itype-vars c))))
6004+ %collection (zing (turn args.t |=(c=itype (itype-vars c))))
4904 %fn (weld $(t sample.t) $(t product.t))
6006 %fn (weld $(t sample.t) $(t product.t))
4905 %cell (weld $(t hed.t) $(t tal.t))
6007 %cell (weld $(t hed.t) $(t tal.t))
@@ -4926,13 +6028,31 @@
4926 =/ found=(unit itype) (itype-lookup id.t ren)
6028 =/ found=(unit itype) (itype-lookup id.t ren)
4927 ?~ found t
6029 ?~ found t
6032+ =/ found=(unit itype) (itype-lookup id.t ren)
4930 =/ found=(unit itype) (itype-lookup id.t ren)
6036 =/ found=(unit itype) (itype-lookup id.t ren)
4931 ?~ found t
6037 ?~ found t
6040+ =/ found=(unit itype) (itype-lookup id.t ren)
4934 %any-atom t
6044 %any-atom t
6050+ %union [%union (turn cases.t |=(c=itype (itype-rename c ren))) origin.t label.t (turn args.t |=(c=itype (itype-rename c ren)))]
6053+ %grec t(args (turn args.t |=(c=itype (itype-rename c ren))))
6054+ %collection [%collection name.t (turn args.t |=(c=itype (itype-rename c ren)))]
6055+ %face [%face name.t $(t body.t)]
4936 %fn [%fn $(t sample.t) $(t product.t)]
6056 %fn [%fn $(t sample.t) $(t product.t)]
4937 %cell [%cell $(t hed.t) $(t tal.t)]
6057 %cell [%cell $(t hed.t) $(t tal.t)]
@@ -4946,10 +6066,47 @@
4948 %avar =(n id.t)
6068 %avar =(n id.t)
4949 %nvar =(n id.t)
6070 %nvar =(n id.t)
6079+ %union |((lien cases.t |=(c=itype (itype-var-is-atom n c))) (lien args.t |=(c=itype (itype-var-is-atom n c))))
6082+ %grec (lien args.t |=(c=itype (itype-var-is-atom n c)))
6083+ %collection (lien args.t |=(c=itype (itype-var-is-atom n c)))
6085+ %fn |($(t sample.t) $(t product.t))
6086+ %cell |($(t hed.t) $(t tal.t))
6088+++ itype-var-is-restricted
4951 %any-atom |
6098 %any-atom |
6104+ %union |((lien cases.t |=(c=itype (itype-var-is-restricted n c))) (lien args.t |=(c=itype (itype-var-is-restricted n c))))
6107+ %grec (lien args.t |=(c=itype (itype-var-is-restricted n c)))
6108+ %collection (lien args.t |=(c=itype (itype-var-is-restricted n c)))
4953 %fn |($(t sample.t) $(t product.t))
6110 %fn |($(t sample.t) $(t product.t))
4954 %cell |($(t hed.t) $(t tal.t))
6111 %cell |($(t hed.t) $(t tal.t))
@@ -4964,7 +6121,7 @@
4964 =/ n=@ud 0
6121 =/ n=@ud 0
4966 ?~ vars (itype-rename t ren)
6123 ?~ vars (itype-rename t ren)
4967− =/ replacement=itype ?:((itype-var-is-atom i.vars t) [%avar n] [%var n])
6124+ =/ replacement=itype ?:((itype-var-is-restricted i.vars t) [%rvar n] ?:((itype-var-is-atom i.vars t) [%avar n] [%var n]))
4968 $(vars t.vars, ren [[i.vars replacement] ren], n +(n))
6125 $(vars t.vars, ren [[i.vars replacement] ren], n +(n))
4970++ instantiate-scheme
6127++ instantiate-scheme
@@ -4975,11 +6132,11 @@
4976 ?~ vars [(itype-rename typ.scheme ren) state]
6133 ?~ vars [(itype-rename typ.scheme ren) state]
4977 =/ replacement=itype
6134 =/ replacement=itype
4978− ?:((itype-var-is-atom i.vars typ.scheme) [%avar next.state] [%var next.state])
6135+ ?:((itype-var-is-restricted i.vars typ.scheme) [%rvar next.state] ?:((itype-var-is-atom i.vars typ.scheme) [%avar next.state] [%var next.state]))
4979 :: A generalized atom variable is a valid origin for re-generalizing
6136 :: A generalized atom variable is a valid origin for re-generalizing
4980 :: an alias, just as a sample binder is.
6137 :: an alias, just as a sample binder is.
4981 =/ st=istate state(next +(next.state))
6138 =/ st=istate state(next +(next.state))
4982− =? binders.st ?=(%avar -.replacement) [next.state binders.state]
6139+ =? binders.st |(?=(%avar -.replacement) ?=(%rvar -.replacement)) [next.state binders.state]
4983 $(vars t.vars, ren [[i.vars replacement] ren], state st)
6140 $(vars t.vars, ren [[i.vars replacement] ren], state st)
4985++ icap-lookup
6142++ icap-lookup
@@ -5010,20 +6167,202 @@
5010 $(ds t.ds)
6167 $(ds t.ds)
5013−:: The importer owns its algebra. Only successful %atom and %cell nouns
6170+:: The caller supplies unchanged results from the source-aware importer.
5014−:: in the supported subset are decoded here. In particular a singleton,
6171+:: That boundary is trusted for source provenance: a fork alone cannot
5015−:: face, union, collection or recursive reference must not be widened.
6172+:: reveal cases Hoon collapsed before it was constructed. Validate the
6173+:: supplied graph independently, including pairwise disjointness. Fixed
6174+:: atoms, term singletons, cells, faces and proven forks are decoded;
6175+:: unsupported singletons, collections and recursive references fail.
6180+ =/ chars=tape (trip (@t name))
6182+ ?. (is-lower i.chars) |
6183+ (levy t.chars |=(c=@tD (in c name-mask)))
6185+:: A source-aware reader result is trusted for origin. Validate every
6186+:: supplied branch and keep the recursive mold opaque: unfolding its
6187+:: root while naming only its tail would change its type identity.
6188++$ irec-pattern [pat=upat has=?]
6190+ |= [node=* module=term name=term]
6191+ ^- (unit irec-pattern)
6195+ ?: ?=([%atom %n [~ @]] node)
6198+ ?: ?=([%atom %tas [~ @]] node)
6199+ =/ value=@ +>+.node
6200+ ?. |(=(value 0) (jibb-face-name value)) ~
6201+ `[[%atom `value] |]
6202+ ?. ?=([%atom @ ~] node) ~
6203+ =/ aura=@ta (@ta +<.node)
6204+ ?. |(?=(?(%u %ud %ux %uv %t %ta %tas %p %da %dr) aura) =('tD' aura)) ~
6207+ ?. ?=([%ref @ @] node) ~
6208+ ?. &(=(module +<.node) =(name +>.node)) ~
6211+ ?. ?=([%apply %list [* ~]] node) ~
6212+ =/ item $(node -.+>.node)
6214+ `[[%or ~[[%atom `0] [%cell pat.u.item [%unknown ~]]]] has.u.item]
6216+ ?. ?=([%face @ *] node) ~
6217+ ?. (jibb-face-name +<.node) ~
6220+ ?. ?=([%cell * *] node) ~
6221+ =/ left $(node +<.node)
6223+ =/ right $(node +>.node)
6225+ `[[%cell pat.u.left pat.u.right] |(has.u.left has.u.right)]
6227+ =/ cases (rec-patterns +.node module name)
6230+ ?~ t.pats.u.cases ~
6231+ ?. (rec-patterns-disjoint pats.u.cases) ~
6232+ `[[%or pats.u.cases] has.u.cases]
6236+ |= [nodes=* module=term name=term]
6237+ ^- (unit [pats=(list upat) has=?])
6238+ ?@ nodes ?:(=(nodes 0) `[~ |] ~)
6239+ =/ first (rec-pattern -.nodes module name)
6241+ =/ rest $(nodes +.nodes)
6243+ `[[pat.u.first pats.u.rest] |(has.u.first has.u.rest)]
6245+++ rec-patterns-disjoint
6246+ |= pats=(list upat)
6249+ ?. (levy t.pats |=(p=upat =(%disjoint (union-relate i.pats p)))) |
6254+:: Repeated faces along an imported record spine fail closed. Hoon's type
6255+:: graph can erase unfaced nested-cell boundaries, so that alone does not
6256+:: prove the original source repeated a name within one record. A faced
6257+:: body and each union alternative have separate scopes. Check recursive
6258+:: roots before making them opaque; unused molds are never inspected.
6260+++ imported-faces-valid
6265+ %face ?:(?=([%face @ *] node) $(node +>.node) |)
6266+ %cell ?:(?=([%cell * *] node) (imported-record-faces-valid node ~) |)
6267+ %fork (imported-faces-valid-list +.node)
6268+ %apply ?:(?=([%apply @ *] node) (imported-faces-valid-list +>.node) |)
6270+ ?. ?=([%named @ @ *] node) |
6271+ =/ n=[%named module=@ name=@ body=*] ;;([%named module=@ name=@ body=*] node)
6272+ (imported-faces-valid body.n)
6275+++ imported-faces-valid-list
6278+ ?@ nodes =(nodes 0)
6279+ ?. (imported-faces-valid -.nodes) |
6282+++ imported-record-faces-valid
6283+ |= [node=* names=(list @)]
6285+ ?: ?=([%cell * *] node)
6288+ ?: ?=([%face @ *] head)
6289+ ?: (lien names |=(n=@ =(n +<.head))) |
6290+ ?. (imported-faces-valid +>.head) |
6291+ $(node rest, names [+<.head names])
6292+ ?. (imported-faces-valid head) |
6294+ ?: ?=([%face @ *] node)
6295+ ?: (lien names |=(n=@ =(n +<.node))) |
6296+ (imported-faces-valid +>.node)
6297+ (imported-faces-valid node)
5017++ import-to-itype
6299++ import-to-itype
5018 |= node=*
6300 |= node=*
5019 ^- (unit itype)
6301 ^- (unit itype)
5020 ?@ node ~
6302 ?@ node ~
5021 ?+ -.node ~
6303 ?+ -.node ~
6304+ %noun ?:(=(node [%noun ~]) `[%noun ~] ~)
6306+ :: A Hoon loobean singleton is one of the two Jibb loobeans.
6307+ ?: ?=([%atom %f [~ @]] node)
6308+ =/ value=@ +>+.node
6309+ ?. |(=(value 0) =(value 1)) ~
6310+ =/ printed=@t ?:(=(value 0) '%.y' '%.n')
6311+ `[%const [%loobean %f value printed]]
6312+ :: Hoon's null singleton is the same noun as Jibb's `~` mold.
6313+ :: Other non-term singleton atoms remain unsupported here.
6314+ ?: ?=([%atom %n [~ @]] node)
6316+ `[%const [%null %n 0 '~']]
6317+ ?: ?=([%atom %tas [~ @]] node)
6318+ =/ value=@ +>+.node
6319+ ?. |(=(value 0) (jibb-face-name value)) ~
6320+ =/ printed=@t ?:(=(value 0) '%$' (cat 3 '%' value))
6321+ `[%const [%term %tas value printed]]
5023 ?. ?=([%atom @ ~] node) ~
6322 ?. ?=([%atom @ ~] node) ~
5024 =/ aura=@ta (@ta +<.node)
6323 =/ aura=@ta (@ta +<.node)
5025 ?. |(?=(?(%u %ud %ux %uv %t %ta %tas %p %da %dr) aura) =('tD' aura)) ~
6324 ?. |(?=(?(%u %ud %ux %uv %t %ta %tas %p %da %dr) aura) =('tD' aura)) ~
5026 `[%atom aura]
6325 `[%atom aura]
6327+ ?. ?=([%named @ @ *] node) ~
6328+ =/ n=[%named module=@ name=@ body=*] ;;([%named module=@ name=@ body=*] node)
6329+ ?. &((jibb-face-name module.n) (jibb-face-name name.n)) ~
6330+ ?. ?=([%fork *] body.n) ~
6331+ =/ proof=(unit irec-pattern) (rec-pattern body.n (@tas module.n) (@tas name.n))
6334+ `[%recursive (@tas module.n) (@tas name.n) `(crip "{(trip name.n)}.{(trip module.n)}")]
6336+ ?. ?=([%apply @ *] node) ~
6337+ =/ name=term (@tas +<.node)
6339+ ?: |(=(%list name) =(%unit name) =(%set name) =(%qeu name)) 1
6340+ ?: |(=(%map name) =(%mop name) =(%jar name) =(%jug name)) 2
6343+ =/ args=(unit (list itype)) (import-to-itypes +>.node)
6345+ ?. =(arity (lent u.args)) ~
6346+ `[%collection name u.args]
6348+ :: Hoon's ordinary ? mold is the fork of its two %f singletons.
6350+ ?: |(=(raw ~[[%atom %f `0] [%atom %f `1]]) =(raw ~[[%atom %f `1] [%atom %f `0]]))
6352+ =/ cases=(unit (list itype)) (import-to-itypes raw)
6356+ ?: (import-has-loobean-singleton u.cases) ~
6357+ ?. (import-cases-disjoint u.cases) ~
6358+ `[%union u.cases ~ ~ ~]
6360+ ?. ?=([%face @ *] node) ~
6362+ ?. (jibb-face-name name) ~
6363+ =/ body=(unit itype) $(node +>.node)
6365+ `[%face (@tas name) u.body]
5028 ?. ?=([%cell * *] node) ~
6367 ?. ?=([%cell * *] node) ~
5029 =/ left=(unit itype) $(node +<.node)
6368 =/ left=(unit itype) $(node +<.node)
@@ -5033,6 +6372,53 @@
5033 `[%cell u.left u.right]
6372 `[%cell u.left u.right]
6375+++ import-direct-loobean
6378+ ?: ?=(%face -.t) $(t body.t)
6379+ ?: ?=(%union -.t) (import-has-loobean-singleton cases.t)
6380+ ?=([%const [%loobean *]] t)
6382+++ import-has-loobean-singleton
6383+ |= cases=(list itype)
6386+ ?: (import-direct-loobean i.cases) &
6391+ ^- (unit (list itype))
6392+ ?@ nodes ?:(=(nodes 0) `~ ~)
6393+ =/ first (import-to-itype -.nodes)
6395+ =/ rest $(nodes +.nodes)
6399+++ import-type-pattern
6406+ %flag [%or ~[[%atom `0] [%atom `1]]]
6407+ %const [%atom `val.literal.typ]
6408+ %face $(typ body.typ)
6409+ %cell [%cell $(typ hed.typ) $(typ tal.typ)]
6410+ %union [%or (turn cases.typ |=(t=itype (import-type-pattern t)))]
6414+++ import-cases-disjoint
6415+ |= cases=(list itype)
6418+ =/ first=upat (import-type-pattern i.cases)
6419+ ?. (levy t.cases |=(t=itype =(%disjoint (union-relate first (import-type-pattern t))))) |
5036++ find-imported-mold
6422++ find-imported-mold
5037 |= [module=term name=term externals=iexternals surs=(list term)]
6423 |= [module=term name=term externals=iexternals surs=(list term)]
5038 ^- (unit itype)
6424 ^- (unit itype)
@@ -5044,7 +6430,15 @@
5044 =/ result=* result.i.found
6430 =/ result=* result.i.found
5045 ?@ result ~
6431 ?@ result ~
5046 ?. ?=(%& -.result) ~
6432 ?. ?=(%& -.result) ~
5047− (import-to-itype +.result)
6433+ =/ node=* +.result
6434+ ?. (imported-faces-valid node) ~
6435+ ?@ node (import-to-itype node)
6436+ ?: ?=(%ref -.node) (import-to-itype node)
6437+ =/ pattern=(unit irec-pattern) (rec-pattern node module name)
6438+ ?~ pattern (import-to-itype node)
6439+ ?. has.u.pattern (import-to-itype node)
6440+ `[%recursive module name `(crip "{(trip name)}.{(trip module)}")]
5049++ collect-sur-imports
6443++ collect-sur-imports
5050 |= imports=(list import)
6444 |= imports=(list import)
@@ -5073,29 +6467,410 @@
5073 =/ result=* result.i.found
6467 =/ result=* result.i.found
5074 ?@ result ~
6468 ?@ result ~
5075 ?. ?=(%& -.result) ~
6469 ?. ?=(%& -.result) ~
6470+ ?. (imported-faces-valid +.result) ~
5076 (import-to-itype +.result)
6471 (import-to-itype +.result)
5078−++ infer-simple-shape
6473+++ find-jibb-interface
5079− |= [sh=shape state=istate]
6474+ |= [face=term imports=ijimports]
5080− ^- (unit [typ=itype state=istate])
6475+ ^- (unit ifile)
5081− ?- -.sh
6476+ ?~ imports ~
5082− %aura
6477+ ?: =(face face.i.imports) `interface.i.imports
5083− ?: =(0 aura.sh) `[[%any-atom ~] state]
6478+ $(imports t.imports)
5084− `[[%atom aura.sh] state]
6479+::
5085− %flag `[[%flag ~] state]
6480+++ find-jibb-mold
5086− %cell (infer-simple-fields fields.sh state)
6481+ |= [name=term iface=ifile]
5087− %fn
6482+ ^- (unit ischeme)
5088− =/ arg=(unit [typ=itype state=istate]) $(sh sample.sh)
6483+ =/ ms=imold-types molds.iface
5090− =/ out=(unit [typ=itype state=istate]) $(sh product.sh, state state.u.arg)
6485+ ?~ ms ~
5091− ?~ out ~
6486+ ?: =(name name.i.ms) `template.i.ms
5092− `[[%fn typ.u.arg typ.u.out] state.u.out]
6487+ $(ms t.ms)
5094− ?~ names.sh ~
6489+:: An exported alias may name a union from another module. Only a
5095− =/ n=term i.names.sh
6490+:: nongeneric alias of the same origin is usable through this import face.
5096− ?^ t.names.sh
6491+::
5097− ?^ t.t.names.sh ~
6492+++ imported-union-alias
5098− =/ found=(unit itype)
6493+ |= [origin=[at=path name=term] molds=imold-types]
6496+ =/ template=ischeme template.i.molds
6497+ ?: &(?=(~ vars.template) ?=(%union -.typ.template))
6498+ ?:(=(`origin origin.typ.template) `name.i.molds $(molds t.molds))
6501+:: A prelude union alias is a display name, not a new union identity. An
6502+:: identity-generic alias can carry the origin's arguments only when the
6503+:: origin, arity and ordered parameters match. Swapped, repeated, fixed
6504+:: or phantom parameters cannot be printed that way and remain unsupported
6505+:: when their only available name is private. A nongeneric alias of a
6506+:: generic instantiation cannot be printed with the origin's arguments.
6507+++ identity-union-parameters
6508+ |= [vars=(list @ud) args=(list itype)]
6512+ ?. =([%var i.vars] i.args) |
6513+ $(vars t.vars, args t.args)
6514+++ prelude-union-alias
6515+ |= [origin=[at=path name=term] args=(list itype) molds=imold-types]
6518+ =/ template=ischeme template.i.molds
6519+ ?. ?=(%union -.typ.template) $(molds t.molds)
6520+ ?. =(`origin origin.typ.template) $(molds t.molds)
6522+ ?^ args $(molds t.molds)
6523+ ?:(=(args args.typ.template) `name.i.molds $(molds t.molds))
6524+ ?: &((identity-union-parameters vars.template args.typ.template) =((lent vars.template) (lent args)))
6528+:: Names exported by the directly imported module are visible through its
6529+:: face; a matching prelude alias is also visible without a qualifier.
6532+ |= [origin=path name=term molds=imold-types]
6535+ =/ template=ischeme template.i.molds
6536+ ?: &(?=(~ vars.template) ?=(%jrec -.typ.template) =(at.typ.template origin) =(name.typ.template name)) `name.i.molds
6539+++ grec-visible-alias
6540+ |= [origin=path name=term proof=shape args=(list itype) molds=imold-types]
6543+ =/ template=ischeme template.i.molds
6544+ ?. ?=(%grec -.typ.template) $(molds t.molds)
6545+ ?. &(=(at.typ.template origin) =(name.typ.template name) =(proof.typ.template proof)) $(molds t.molds)
6546+ ?. &((identity-union-parameters vars.template args.typ.template) =((lent vars.template) (lent args))) $(molds t.molds)
6550+ |= [t=itype iface=ifile face=term prelude=(unit ifile)]
6556+ ?: =(at.u.origin.t /lib/jibb/prelude/jibb) `name.u.origin.t
6557+ =/ public=(unit term)
6559+ (prelude-union-alias u.origin.t args.t molds.u.prelude)
6560+ ?^ public `u.public
6561+ =/ alias=(unit term) ~
6562+ =? alias &(=(at.u.origin.t at.iface) ?=(^ (find-jibb-mold name.u.origin.t iface))) `name.u.origin.t
6563+ =? alias ?=(~ alias) (imported-union-alias u.origin.t molds.iface)
6565+ `(crip "{(trip u.alias)}.{(trip face)}")
6566+ [%union (turn cases.t |=(c=itype (itype-in-import c iface face prelude))) origin.t label (turn args.t |=(c=itype (itype-in-import c iface face prelude)))]
6567+ %recursive [%recursive module.t name.t ~]
6569+ =/ public=(unit term) ?~(prelude ~ (grec-visible-alias at.t name.t proof.t args.t molds.u.prelude))
6570+ =/ alias=(unit term) ?~(public (grec-visible-alias at.t name.t proof.t args.t molds.iface) public)
6571+ =/ label=(unit @t) ?~(alias ~ ?~(public `(crip "{(trip u.alias)}.{(trip face)}") `u.alias))
6572+ t(label label, args (turn args.t |=(c=itype (itype-in-import c iface face prelude))))
6574+ =/ public=(unit term) ?~(prelude ~ (jrec-alias at.t name.t molds.u.prelude))
6575+ ?^ public t(label `u.public)
6576+ =/ alias=(unit term) (jrec-alias at.t name.t molds.iface)
6577+ ?~ alias t(label ~)
6578+ t(label `(crip "{(trip u.alias)}.{(trip face)}"))
6579+ %collection [%collection name.t (turn args.t |=(c=itype (itype-in-import c iface face prelude)))]
6580+ %face [%face name.t $(t body.t)]
6581+ %fn [%fn $(t sample.t) $(t product.t)]
6582+ %cell [%cell $(t hed.t) $(t tal.t)]
6586+++ label-direct-union
6587+ |= [typ=itype body=shape name=term state=istate]
6589+ ?. ?=(%union -.typ) typ
6590+ =/ direct=? ?=(%union -.body)
6591+ =? direct ?=(%generic -.body) ?=(%union -.body.body)
6593+ ?. (lien top-molds.state |=(n=term =(n name))) typ
6594+ [%union cases.typ `[at.state name] `name args.typ]
6596+:: Generic mold parameters are lexical and distinct from the enclosing
6597+:: value's capital variables. Arguments are substituted only once, so
6598+:: an argument's variable ID cannot be captured by a template ID.
6599+:: A generic alias of a named union keeps the underlying union's origin
6600+:: and substituted argument order; an originless union stays unsupported.
6603+ |= [name=@t params=iparams]
6606+ ?: =(name name.i.params) `typ.i.params
6613+ ?: (lien t.names |=(n=@t =(n i.names))) |
6617+ |= [names=(list @t) args=(list itype)]
6619+ ?~ names ?~(args `~ ~)
6621+ =/ rest=(unit iparams) $(names t.names, args t.args)
6623+ `[[i.names i.args] u.rest]
6626+ |= [template=ischeme args=(list itype)]
6628+ =/ vars=(list @ud) vars.template
6631+ ?~ vars ?~(args `(itype-rename typ.template ren) ~)
6633+ $(vars t.vars, args t.args, ren [[i.vars i.args] ren])
6636+ |= [args=(list shape) state=istate]
6637+ ^- (unit [types=(list itype) state=istate])
6639+ =/ head=(unit [typ=itype state=istate]) (infer-simple-shape i.args state)
6641+ =/ tail=(unit [types=(list itype) state=istate]) $(args t.args, state state.u.head)
6643+ `[[typ.u.head types.u.tail] state.u.tail]
6645+++ fresh-mold-params
6646+ |= [names=(list @t) next=@ud]
6647+ ^- [params=iparams vars=(list @ud) next=@ud]
6648+ ?~ names [~ ~ next]
6649+ =/ rest=[params=iparams vars=(list @ud) next=@ud] $(names t.names, next +(next))
6650+ [[[i.names [%var next]] params.rest] [next vars.rest] next.rest]
6652+:: Recognize a unique top-level source mold with exactly a null case and a
6653+:: faced atom-headed cell whose faced tail names that same mold. Its Jibb
6654+:: path and name provide nominal identity. Other recursive shapes fail closed;
6655+:: construction and matching expose the proven shape one layer at a time.
6656+++ simple-source-recursive
6657+ |= [name=term sh=shape state=istate]
6659+ ?. (lien top-molds.state |=(n=term =(n name))) ~
6660+ =/ original=(unit shape) (find-simple-mold name molds.state)
6662+ ?. =(u.original sh) ~
6663+ ?. ?=(%union -.sh) ~
6664+ =/ cs=(list shape) cases.sh
6668+ ?. ?=(%const -.i.cs) ~
6669+ ?. =(%null form.lit.i.cs) ~
6670+ ?. ?=(%cell -.i.t.cs) ~
6671+ =/ fs=(list field) fields.i.t.cs
6675+ ?. ?=(%face -.i.fs) ~
6676+ ?. ?=(%aura -.shape.i.fs) ~
6677+ ?. !=(0 aura.shape.i.fs) ~
6678+ ?. ?=(%face -.i.t.fs) ~
6679+ ?. !=(name.i.fs name.i.t.fs) ~
6680+ =/ tail=shape shape.i.t.fs
6681+ ?. ?=(%ref -.tail) ~
6682+ ?. =(names.tail ~[name]) ~
6683+ `[%jrec at.state name `name name.i.fs aura.shape.i.fs name.i.t.fs]
6685+++ simple-source-generic-recursive
6686+ |= [name=term sh=shape args=(list itype) state=istate]
6688+ ?. ?=(%generic -.sh) ~
6689+ ?. ?=([@ ~] vars.sh) ~
6690+ ?. ?=([* ~] args) ~
6691+ ?~ grec-index.state ~
6692+ ?. =(at.u.grec-index.state at.state) ~
6694+ ?. =(prelude.u.grec-index.state u.prelude.state) ~
6695+ =/ proof=(unit shape) (~(get by shapes.u.grec-index.state) name)
6698+ `[%grec at.state name `name sh args]
6701+++ infer-mold-template
6702+ |= [sh=shape state=istate]
6703+ ^- (unit [template=ischeme state=istate])
6704+ =/ generic=(unit itype)
6705+ ?. ?=([@ ~] active.state) ~
6706+ (simple-source-generic-recursive i.active.state sh ~[[%var next.state]] state)
6707+ ?^ generic `[[u.generic ~[next.state]] state(next +(next.state))]
6708+ =/ direct=(unit itype)
6709+ ?. ?=([@ ~] active.state) ~
6710+ (simple-source-recursive i.active.state sh state)
6711+ ?^ direct `[[u.direct ~] state]
6712+ ?: ?=(%generic -.sh)
6714+ ?. (distinct-params vars.sh) ~
6715+ =/ fresh=[params=iparams vars=(list @ud) next=@ud] (fresh-mold-params vars.sh next.state)
6716+ =/ out=(unit [typ=itype state=istate])
6717+ (infer-simple-shape body.sh state(next next.fresh, params params.fresh, in-mold &))
6719+ ?^ (unresolved-hole holes.state.u.out holes.state state.u.out) ~
6720+ ?: &(?=(%union -.typ.u.out) !?=(%union -.body.sh) ?=(~ origin.typ.u.out)) ~
6721+ =? typ.u.out &(?=(%union -.typ.u.out) ?=(%union -.body.sh))
6722+ typ.u.out(args (turn vars.fresh |=(n=@ud `itype`[%var n])))
6723+ =/ used=(list @ud) (itype-vars typ.u.out)
6724+ ?. (levy used |=(n=@ud (lien vars.fresh |=(p=@ud =(p n))))) ~
6725+ `[[typ.u.out vars.fresh] state.u.out(params params.state, in-mold in-mold.state, holes holes.state)]
6726+ =/ out=(unit [typ=itype state=istate])
6727+ (infer-simple-shape sh state(params ~, in-mold &))
6729+ ?^ (unresolved-hole holes.state.u.out holes.state state.u.out) ~
6730+ ?: ?=(^ (itype-vars typ.u.out)) ~
6731+ `[[typ.u.out ~] state.u.out(params params.state, in-mold in-mold.state, holes holes.state)]
6733+:: A direct imported reference may carry definite reader evidence. Only
6734+:: uniquely supplied, declared inputs are used; unsupported data stay generic.
6735+++ direct-import-invalid
6736+ |= [sh=shape state=istate]
6740+ =/ n=term i.names.sh
6743+ ?. (unique-value-name n marks.state) ~
6744+ ?: (lien surs.state |=(x=term =(x n))) ~
6745+ ?: ?=(^ (find-jibb-interface n jimports.state)) ~
6746+ ?: (lien globals.state |=(x=term =(x n))) ~
6747+ ?: (lien reserved-molds.state |=(x=term =(x n))) ~
6748+ ?: (lien molds.state |=(m=[name=term body=shape] =(n name.m))) ~
6749+ =/ found=imark-externals (skim mark-externals.state |=(e=[mark=term result=*] =(mark.e n)))
6754+ =/ mod=term i.t.names.sh
6755+ ?: ?=(^ (find-jibb-interface mod jimports.state)) ~
6756+ ?. (unique-value-name mod surs.state) ~
6757+ ?: (lien marks.state |=(x=term =(x mod))) ~
6758+ ?: (lien globals.state |=(x=term =(x mod))) ~
6759+ ?: (lien reserved-molds.state |=(x=term =(x mod))) ~
6760+ ?: (lien molds.state |=(m=[name=term body=shape] =(mod name.m))) ~
6761+ =/ found=iexternals (skim externals.state |=(e=[module=term name=term result=*] &(=(module.e mod) =(name.e n))))
6765+ ?. ?=([%invalid ?(%aura %core %overlap) @] raw) ~
6766+ `["{(trip +>.raw)}" ~[[at.sh "invalid imported mold"]]]
6768+:: Replay only the shape branches whose evaluation order we can prove.
6769+:: Successful prefixes must be checked before descending to a failure.
6770+++ nested-import-invalid
6771+ |= [sh=shape state=istate]
6773+ ?: ?=(^ (infer-simple-shape sh state)) ~
6776+ =/ direct=(unit idiag) (direct-import-invalid sh state)
6780+ =/ n=term i.names.sh
6781+ ?: (lien marks.state |=(x=term =(x n))) ~
6782+ ?: (lien active.state |=(x=term =(x n))) ~
6783+ =/ found=(unit shape) (find-simple-mold n molds.state)
6785+ $(sh u.found, state state(active [n active.state], in-mold &, params ~))
6787+ =/ first=(unit [typ=itype state=istate]) (infer-simple-shape sample.sh state)
6788+ ?~ first $(sh sample.sh)
6789+ $(sh product.sh, state state.u.first)
6790+ %cell (nested-field-invalid fields.sh state)
6794+++ nested-field-invalid
6795+ |= [fields=(list field) state=istate]
6800+ %bare shape.i.fields
6801+ %face shape.i.fields
6802+ %pun [%ref at.i.fields ~[name.i.fields]]
6804+ =/ out=(unit [typ=itype state=istate]) (infer-simple-shape sh state)
6805+ ?~ out (nested-import-invalid sh state)
6806+ $(fields t.fields, state state.u.out)
6808+++ sample-import-invalid
6809+ |= [s=sample env=ienv state=istate]
6811+ =/ result=isample-result (infer-sample s env state)
6812+ ?: ?=(%& -.result) ~
6813+ ?. =(p.result "sample mold is not supported by partial inference") ~
6815+ [%face *] (nested-import-invalid shape.s state)
6816+ [%bare *] (nested-import-invalid shape.s state)
6817+ [%pun *] (nested-import-invalid [%ref at.s ~[name.s]] state)
6818+ [%cell *] (nested-samples-invalid items.s env state)
6822+++ nested-samples-invalid
6823+ |= [items=(list sample) env=ienv state=istate]
6826+ =/ head=isample-result (infer-sample i.items env state)
6827+ ?: ?=(%| -.head) (sample-import-invalid i.items env state)
6828+ $(items t.items, env env.p.head, state state.p.head)
6830+++ infer-simple-shape
6831+ |= [sh=shape state=istate]
6832+ ^- (unit [typ=itype state=istate])
6834+ %hole `[[%var next.state] state(next +(next.state), holes [[next.state at.sh] holes.state])]
6836+ ?: =(0 aura.sh) `[[%any-atom ~] state]
6837+ `[[%atom aura.sh] state]
6838+ %flag `[[%flag ~] state]
6839+ %noun `[[%noun ~] state]
6840+ %void `[[%empty ~] state]
6842+ ?. |(=(%term form.lit.sh) =(%null form.lit.sh) =(%loobean form.lit.sh)) ~
6843+ ?: &(=(%loobean form.lit.sh) !|(=(0 val.lit.sh) =(1 val.lit.sh))) ~
6844+ `[[%const lit.sh] state]
6846+ =/ pairs=(list upair) (union-pairs cases.sh molds.state)
6847+ ?: (lien pairs |=(p=upair =(%overlap relation.p))) ~
6849+ ?: (levy pairs |=(p=upair =(%disjoint relation.p))) &
6850+ &((union-source-state-safe state 256) (union-source-distinct-tags cases.sh molds.state 256))
6852+ =/ cs=(unit [types=(list itype) state=istate]) (infer-shape-args cases.sh state)
6854+ `[[%union types.u.cs ~ ~ ~] state.u.cs]
6855+ %cell (infer-simple-fields fields.sh state)
6857+ =/ arg=(unit [typ=itype state=istate]) $(sh sample.sh)
6859+ =/ out=(unit [typ=itype state=istate]) $(sh product.sh, state state.u.arg)
6861+ `[[%fn typ.u.arg typ.u.out] state.u.out]
6864+ =/ n=term i.names.sh
6867+ =/ iface=(unit ifile) (find-jibb-interface i.t.names.sh jimports.state)
6869+ =/ found=(unit ischeme) (find-jibb-mold n u.iface)
6872+ `[(itype-in-import typ.u.found u.iface i.t.names.sh prelude.state) state]
6873+ =/ found=(unit itype)
5099 (find-imported-mold i.t.names.sh n externals.state surs.state)
6874 (find-imported-mold i.t.names.sh n externals.state surs.state)
5100 ?~ found ~
6875 ?~ found ~
5101 `[u.found state]
6876 `[u.found state]
@@ -5106,16 +6881,68 @@
5106 `[u.imported state]
6881 `[u.imported state]
5107 ?: (lien active.state |=(x=term =(x n))) ~
6882 ?: (lien active.state |=(x=term =(x n))) ~
5108 =/ found=(unit shape) (find-simple-mold n molds.state)
6883 =/ found=(unit shape) (find-simple-mold n molds.state)
5109− ?~ found ~
6884+ ?~ found
6885+ ?: (lien molds.state |=(m=[name=term body=shape] =(name.m n))) ~
6887+ =/ prelude-entry=(unit ischeme) (find-jibb-mold n u.prelude.state)
6889+ ?^ vars.u.prelude-entry ~
6890+ `[typ.u.prelude-entry state]
6891+ =/ direct=(unit itype) (simple-source-recursive n u.found state)
6892+ ?^ direct `[u.direct state]
5110 =/ out=(unit [typ=itype state=istate])
6893 =/ out=(unit [typ=itype state=istate])
5111− $(sh u.found, state state(active [n active.state], in-mold &))
6894+ $(sh u.found, state state(active [n active.state], in-mold &, params ~))
5112 ?~ out ~
6895 ?~ out ~
6896+ ?^ (unresolved-hole holes.state.u.out holes.state state.u.out) ~
5113− `[typ.u.out state.u.out(active active.state, in-mold in-mold.state)]
6897+ `[(label-direct-union typ.u.out u.found n state) state.u.out(active active.state, in-mold in-mold.state, params params.state, holes holes.state)]
6900+ =/ args=(unit [types=(list itype) state=istate]) (infer-shape-args args.sh state)
6905+ =/ iface=(unit ifile) (find-jibb-interface i.t.ref.sh jimports.state.u.args)
6907+ =/ template=(unit ischeme) (find-jibb-mold n u.iface)
6909+ ?~ vars.u.template ~
6910+ =/ applied=(unit itype) (template-apply u.template types.u.args)
6912+ `[(itype-in-import u.applied u.iface i.t.ref.sh prelude.state.u.args) state.u.args]
6913+ ?: (lien active.state.u.args |=(x=term =(x n))) ~
6914+ =/ found=(unit shape) (find-simple-mold n molds.state.u.args)
6916+ ?: (lien molds.state.u.args |=(m=[name=term body=shape] =(name.m n))) ~
6917+ ?~ prelude.state.u.args ~
6918+ =/ prelude-entry=(unit ischeme) (find-jibb-mold n u.prelude.state.u.args)
6920+ ?~ vars.u.prelude-entry ~
6921+ =/ applied=(unit itype) (template-apply u.prelude-entry types.u.args)
6923+ `[u.applied state.u.args]
6924+ ?. ?=(%generic -.u.found) ~
6925+ =/ grec=(unit itype) (simple-source-generic-recursive n u.found types.u.args state.u.args)
6926+ ?^ grec `[u.grec state.u.args]
6927+ ?. (distinct-params vars.u.found) ~
6928+ =/ params=(unit iparams) (bind-params vars.u.found types.u.args)
6930+ =/ out=(unit [typ=itype state=istate])
6931+ $(sh body.u.found, state state.u.args(active [n active.state.u.args], in-mold &, params u.params))
6933+ ?^ (unresolved-hole holes.state.u.out holes.state.u.args state.u.out) ~
6934+ ?: &(?=(%union -.typ.u.out) !?=(%union -.body.u.found) ?=(~ origin.typ.u.out)) ~
6935+ ?: &(?=(%union -.typ.u.out) ?=(%union -.body.u.found) !(lien top-molds.state.u.args |=(x=term =(x n)))) ~
6936+ =? typ.u.out &(?=(%union -.typ.u.out) ?=(%union -.body.u.found))
6937+ (label-direct-union typ.u.out(args types.u.args) u.found n state.u.args)
6938+ `[typ.u.out state.u.out(active active.state.u.args, in-mold in-mold.state.u.args, params params.state.u.args, holes holes.state.u.args)]
6940+ =/ param=(unit itype) (iparam-lookup name.sh params.state)
6941+ ?^ param `[u.param state]
5115 ?: in-mold.state ~
6942 ?: in-mold.state ~
5116 =/ n=(unit @ud) (icap-lookup name.sh caps.state)
6943 =/ n=(unit @ud) (icap-lookup name.sh caps.state)
5117 ?^ n `[[%var u.n] state]
6944 ?^ n `[[%var u.n] state]
5118− `[[%var next.state] state(next +(next.state), caps [[name.sh next.state] caps.state])]
6945+ `[[%var next.state] state(next +(next.state), caps [[name.sh next.state at.sh] caps.state])]
@@ -5123,25 +6950,37 @@
5123 |= [fields=(list field) state=istate]
6950 |= [fields=(list field) state=istate]
5124 ^- (unit [typ=itype state=istate])
6951 ^- (unit [typ=itype state=istate])
5125 ?~ fields ~
6952 ?~ fields ~
6953+ =/ field-shape=shape
5126− ?. ?=(%bare -.i.fields) ~
6955+ %bare shape.i.fields
6956+ %face shape.i.fields
6957+ %pun [%ref at.i.fields ~[name.i.fields]]
5127− =/ head=(unit [typ=itype state=istate]) (infer-simple-shape shape.i.fields state)
6959+ =/ head=(unit [typ=itype state=istate]) (infer-simple-shape field-shape state)
5128 ?~ head ~
6960 ?~ head ~
6961+ =/ t=itype typ.u.head
6965+ %face [%face name.i.fields t]
6966+ %pun [%face name.i.fields t]
5129− ?~ t.fields head
6968+ ?~ t.fields `[t state.u.head]
5130 =/ tail=(unit [typ=itype state=istate]) $(fields t.fields, state state.u.head)
6969 =/ tail=(unit [typ=itype state=istate]) $(fields t.fields, state state.u.head)
5131 ?~ tail ~
6970 ?~ tail ~
5132− `[[%cell typ.u.head typ.u.tail] state.u.tail]
6971+ `[[%cell t typ.u.tail] state.u.tail]
5134++ infer-sample
6973++ infer-sample
5135 |= [s=sample env=ienv state=istate]
6974 |= [s=sample env=ienv state=istate]
5136 ^- isample-result
6975 ^- isample-result
5139− ?: |(?=(^ (ienv-lookup name.s env)) (lien globals.state |=(x=term =(x name.s))))
6978+ ?: |(=(name.s %proj) ?=(^ (ienv-lookup name.s env)) (lien globals.state |=(x=term =(x name.s))))
5140 [%| "sample shadows a name"]
6979 [%| "sample shadows a name"]
5141 =/ t=itype [%var next.state]
6980 =/ t=itype [%var next.state]
5142 [%& t [[name.s [t ~]] env] state(next +(next.state), binders [next.state binders.state])]
6981 [%& t [[name.s [t ~]] env] state(next +(next.state), binders [next.state binders.state])]
5144− ?: |(?=(^ (ienv-lookup name.s env)) (lien globals.state |=(x=term =(x name.s))))
6983+ ?: |(=(name.s %proj) ?=(^ (ienv-lookup name.s env)) (lien globals.state |=(x=term =(x name.s))))
5145 [%| "sample shadows a name"]
6984 [%| "sample shadows a name"]
5146 =/ t=(unit [typ=itype state=istate]) (infer-simple-shape shape.s state)
6985 =/ t=(unit [typ=itype state=istate]) (infer-simple-shape shape.s state)
5147 ?~ t [%| "sample mold is not supported by partial inference"]
6986 ?~ t [%| "sample mold is not supported by partial inference"]
@@ -5150,13 +6989,1369 @@
5150 =/ t=(unit [typ=itype state=istate]) (infer-simple-shape shape.s state)
6989 =/ t=(unit [typ=itype state=istate]) (infer-simple-shape shape.s state)
5151 ?~ t [%| "sample mold is not supported by partial inference"]
6990 ?~ t [%| "sample mold is not supported by partial inference"]
5152 [%& typ.u.t env state.u.t]
6991 [%& typ.u.t env state.u.t]
5153− * [%| "sample is not supported by partial inference"]
6992+ %pun
6993+ $(s [%face at.s name.s [%ref at.s ~[name.s]]])
6995+ (infer-sample-items items.s env state)
6998+:: Cell-sample binders are faces on their positions; at the top of a
6999+:: sample a binder only supplies a name for the whole sample.
7001+++ infer-sample-items
7002+ |= [items=(list sample) env=ienv state=istate]
7004+ ?~ items [%| "empty sample is not supported by partial inference"]
7005+ =/ head=isample-result (infer-sample i.items env state)
7006+ ?: ?=(%| -.head) head
7007+ =/ ht=itype typ.p.head
7010+ %bind [%face name.i.items ht]
7011+ %face [%face name.i.items ht]
7012+ %pun [%face name.i.items ht]
7015+ ?~ t.items [%& ht env.p.head state.p.head]
7016+ =/ tail=isample-result $(items t.items, env env.p.head, state state.p.head)
7017+ ?: ?=(%| -.tail) tail
7018+ [%& [%cell ht typ.p.tail] env.p.tail state.p.tail]
7020+:: Local definitions generalize only variables outside their enclosing
7021+:: environment and explicit-capital scope. Recursive gate groups use
7022+:: monomorphic placeholders while their bodies are checked.
7024++$ ilocal-result (each [env=ienv state=istate] idiag)
7026+ |= [env=ienv sub=isub]
7029+ =/ sc=ischeme scheme.i.env
7030+ =/ ids=(list @ud) (unique-type-vars (itype-vars typ.sc))
7031+ =/ free=(list @ud) ~
7033+ ?~ ids (weld free (free-env-vars t.env sub))
7034+ ?: (lien vars.sc |=(n=@ud =(n i.ids))) $(ids t.ids)
7035+ =/ resolved=itype (itype-normalize [%var i.ids] sub)
7036+ $(ids t.ids, free (weld (itype-vars resolved) free))
7039+ |= [caps=icaps sub=isub]
7042+ (weld (itype-vars (itype-normalize [%var id.i.caps] sub)) $(caps t.caps))
7044+++ local-names-valid
7045+ |= [ds=(list def) env=ienv state=istate]
7047+ =/ names=(list term) (global-value-names ds)
7050+ ?: ?=(%mold -.i.ds) $(ds t.ds)
7051+ ?: =(name.i.ds %proj) |
7052+ ?. (unique-value-name name.i.ds names) |
7053+ ?: ?=(^ (ienv-lookup name.i.ds env)) |
7054+ ?: (lien globals.state |=(n=term =(n name.i.ds))) |
7057+:: The supported local molds are nonrecursive simple aliases. Validate
7058+:: all of them, including unused ones, before checking any local values.
7059+:: The enclosing gate sample was checked before this scope was entered.
7065+ ?: ?=(%mold -.i.ds) $(ds t.ds)
7068+++ local-mold-names-valid
7069+ |= [locals=imolds state=istate]
7071+ =/ names=(list term) (turn locals |=(m=[name=term body=shape] name.m))
7074+ =/ n=term name.i.locals
7076+ ?. (unique-value-name n names) |
7077+ ?: (lien molds.state |=(m=[name=term body=shape] =(n name.m))) |
7078+ ?: (lien marks.state |=(m=term =(n m))) |
7079+ ?: (lien reserved-molds.state |=(m=term =(n m))) |
7080+ ?: (lien surs.state |=(m=term =(n m))) |
7083+++ local-molds-supported
7084+ |= [locals=imolds state=istate]
7087+ =/ m=[name=term body=shape] i.locals
7088+ =/ inferred=(unit [template=ischeme state=istate])
7089+ (infer-mold-template body.m state(active [name.m active.state], in-mold &))
7093+:: Gather written capitals belonging to one ++. Nested local definitions
7094+:: establish their own scopes; inline gates remain in the enclosing scope.
7095++$ icap-site [name=@t at=span]
7098+ ^- (list icap-site)
7100+ %tvar ~[[name.s at.s]]
7101+ %apply (zing (turn args.s scope-shape))
7102+ %cell (zing (turn fields.s scope-field))
7103+ %union (zing (turn cases.s scope-shape))
7104+ %fn (weld (scope-shape sample.s) (scope-shape product.s))
7106+ =/ inside=(list icap-site) (scope-shape body.s)
7107+ (skim inside |=(site=icap-site !(lien vars.s |=(v=@t =(v name.site)))))
7113+ ^- (list icap-site)
7115+ %face (scope-shape shape.f)
7116+ %bare (scope-shape shape.f)
7122+ ^- (list icap-site)
7124+ %face (scope-shape shape.s)
7125+ %bare (scope-shape shape.s)
7126+ %cell (zing (turn items.s scope-sample))
7132+ ^- (list icap-site)
7134+ =/ first=(list icap-site)
7136+ %expr (scope-expr p.i.ps)
7139+ (weld first $(ps t.ps))
7143+ ^- (list icap-site)
7145+ =/ first=(list icap-site)
7147+ %expr (scope-expr p.i.ps)
7150+ (weld first $(ps t.ps))
7154+ ^- (list icap-site)
7156+ =/ first=(list icap-site) (scope-expr val.i.xs)
7157+ (weld first $(xs t.xs))
7161+ ^- (list icap-site)
7163+ =/ first=(list icap-site) (scope-expr val.i.xs)
7164+ (weld first $(xs t.xs))
7168+ ^- (list icap-site)
7170+ =/ first=(list icap-site) (scope-expr val.i.xs)
7171+ (weld first $(xs t.xs))
7175+ ^- (list icap-site)
7177+ =/ first=(list icap-site) (scope-expr i.xs)
7178+ (weld first $(xs t.xs))
7182+ ^- (list icap-site)
7184+ %str (scope-pieces pieces.e)
7185+ %qath (scope-qsegs segs.e)
7186+ %change (scope-edits edits.e)
7187+ %pair (scope-expr val.e)
7188+ %unit (scope-expr val.e)
7189+ %group (scope-expr inner.e)
7190+ %list (scope-exprs items.e)
7191+ %tuple (scope-items items.e)
7193+ =/ first=(list icap-site) (scope-sample sample.e)
7194+ =/ last=(list icap-site) (scope-expr body.e)
7197+ =/ first=(list icap-site) (scope-sample sample.e)
7198+ =/ last=(list icap-site) (scope-expr body.e)
7201+ =/ first=(list icap-site) (scope-expr head.e)
7202+ =/ last=(list icap-site) (scope-exprs args.e)
7205+ =/ first=(list icap-site) (scope-shape shape.e)
7206+ =/ last=(list icap-site) (scope-expr val.e)
7209+ =/ first=(list icap-site) (scope-expr val.e)
7210+ =/ last=(list icap-site) (scope-expr then.e)
7213+ =/ first=(list icap-site) (scope-expr subject.e)
7214+ =/ last=(list icap-site) (scope-arms arms.e)
7216+ %body (scope-expr final.e)
7220+++ reserve-cap-sites
7221+ |= [sites=(list icap-site) state=istate]
7224+ ?: ?=(^ (icap-lookup name.i.sites caps.state)) $(sites t.sites)
7225+ $(sites t.sites, state state(next +(next.state), caps [[name.i.sites next.state at.i.sites] caps.state]))
7228+ |= [e=expr state=istate]
7230+ (reserve-cap-sites (scope-expr e) state)
7233+ |= [ds=(list def) env=ienv state=istate]
7235+ =/ remaining=(list def) ~
7239+ ?~ remaining [%& env state]
7241+ =/ pending=(list def) (flop remaining)
7242+ =/ groups=icomponents (graph-components pending (global-value-names pending))
7243+ =/ grouped=(unit [rest=(list def) env=ienv state=istate])
7244+ (try-local-group pending groups env state)
7245+ ?~ grouped [%| ["local definitions need unsupported inference" ~]]
7246+ $(ds rest.u.grouped, remaining ~, env env.u.grouped, state state.u.grouped, progressed |)
7247+ $(ds (flop remaining), remaining ~, progressed |)
7250+ =/ local-state=istate (reserve-def-caps val.d state)
7251+ =/ inferred=iresult (infer-fragment val.d env local-state)
7252+ =/ retried=? ?=(%| -.inferred)
7253+ =? inferred retried (infer-recursive-gate d env local-state)
7254+ ?: ?=(%| -.inferred) $(ds t.ds, remaining [d remaining])
7255+ ?: !=(obligations.state.p.inferred obligations.state) [%| ["deferred local definition needs unsupported inference" ~]]
7256+ =. state.p.inferred (promote-restricted-numbers state.p.inferred env)
7257+ =. state.p.inferred (default-hole-numbers holes.state.p.inferred holes.state state.p.inferred env !(itype-has-gate (itype-normalize typ.p.inferred sub.state.p.inferred)))
7258+ =/ hole=(unit idiag) (unresolved-hole holes.state.p.inferred holes.state state.p.inferred)
7259+ ?^ hole [%| u.hole]
7260+ =/ merged=(unit [first=icap second=icap])
7261+ (merged-capitals caps.state.p.inferred sub.state.p.inferred)
7263+ [%| ["distinct type variables `{(trip name.first.u.merged)}` and `{(trip name.second.u.merged)}` must not be forced equal; use the same capital for a shared type" ~[[at.first.u.merged "first type variable"] [at.second.u.merged "second type variable"]]]]
7264+ ?: (constrained-capitals caps.state.p.inferred sub.state.p.inferred)
7265+ [%| ["explicit capital constraints are not supported by partial inference" ~]]
7266+ =/ typ=itype (itype-normalize typ.p.inferred sub.state.p.inferred)
7267+ ?: |((pending-tags tags.state.p.inferred sub.state.p.inferred) (itype-has-tag typ))
7268+ $(ds t.ds, remaining [d remaining])
7269+ ?: (unsupported-atom-vars typ caps.state.p.inferred binders.state.p.inferred sub.state.p.inferred)
7270+ $(ds t.ds, remaining [d remaining])
7272+ (weld (free-env-vars env sub.state.p.inferred) (free-cap-vars caps.state sub.state.p.inferred))
7273+ =/ vars=(list @ud) (unique-type-vars (itype-vars typ))
7274+ =. vars (skim vars |=(n=@ud !(lien free |=(f=@ud =(f n)))))
7275+ $(ds t.ds, env [[name.d [typ vars]] env], state state.p.inferred(caps caps.state, holes holes.state), progressed &)
7277+:: Try complete cyclic local groups after individual definitions stall.
7278+:: Components with non-gates or unresolved constraints stay unavailable.
7281+ |= [ds=(list def) groups=icomponents env=ienv state=istate]
7282+ ^- (unit [rest=(list def) env=ienv state=istate])
7284+ =/ names=(list term) i.groups
7285+ ?. (gth (lent names) 1) $(groups t.groups)
7286+ =/ members=(list def)
7287+ (skim ds |=(d=def &(?=(%value -.d) (lien names |=(n=term =(n name.d))))))
7288+ ?. =((lent members) (lent names)) $(groups t.groups)
7289+ =/ result=ilocal-result (infer-gate-group members env state)
7290+ ?: ?=(%| -.result) $(groups t.groups)
7292+ (skim ds |=(d=def !(lien names |=(n=term =(n name.d)))))
7293+ =/ more=(unit [rest=(list def) env=ienv state=istate])
7294+ $(ds rest, groups t.groups, env env.p.result, state state.p.result)
7296+ `[rest env.p.result state.p.result]
7298+:: Read only fields of a known record. Unresolved field constraints and
7299+:: ambiguous repeated faces are outside this fragment. Imported record
7300+:: spines with repeated names are unavailable when used.
7302+++ record-fields-named
7303+ |= [name=term t=itype sub=isub]
7305+ =. t (itype-walk t sub)
7307+ ?:(=(name name.t) ~[body.t] ~)
7309+ =/ first=(list itype) ~
7310+ =/ head=itype (itype-walk hed.t sub)
7311+ =? first ?=(%face -.head) ?:(=(name name.head) ~[body.head] ~)
7312+ (weld first $(t tal.t))
7315+ |= [names=(list term) env=ienv state=istate]
7317+ =/ reverse=(list term) (flop names)
7318+ ?~ reverse [%| ["empty wing" ~]]
7319+ =/ iface=(unit ifile) (find-jibb-interface i.reverse jimports.state)
7320+ =/ fields=(list term) t.reverse
7321+ ?~ fields [%| ["field access is not supported by partial inference" ~]]
7322+ =/ scheme=(unit ischeme)
7324+ (ienv-lookup i.reverse env)
7325+ (ienv-lookup i.fields values.u.iface)
7327+ ?^ iface [%| ["module member is not available to partial inference" ~]]
7328+ [%| ["field access is not supported by partial inference" ~]]
7329+ =/ inst=[typ=itype state=istate]
7330+ ?~ iface (instantiate-scheme u.scheme state)
7331+ =/ imported=ischeme u.scheme
7332+ =. typ.imported (itype-in-import typ.imported u.iface i.reverse prelude.state)
7333+ (instantiate-scheme imported state)
7334+ =/ remaining=(list term) ?~(iface fields t.fields)
7335+ =/ typ=itype typ.inst
7337+ ?~ remaining [%& typ state.inst]
7338+ =/ found=(list itype) (record-fields-named i.remaining typ sub.state.inst)
7339+ ?~ found [%| ["field is not available to partial inference" ~]]
7340+ ?^ t.found [%| ["field name is ambiguous in partial inference" ~]]
7341+ $(remaining t.remaining, typ i.found)
7343+:: Propagate a known union or list through supported loobean, unit and list
7344+:: branches. Empty bodies and groups are transparent; bodies with definitions
7345+:: keep their normal scoping and wait for general bidirectional inference.
7347+++ context-union-branch
7352+ %group $(e inner.e)
7353+ %body ?~(defs.e $(e final.e) |)
7357+++ infer-union-context
7358+ |= [e=expr expected=itype env=ienv state=istate context=span]
7360+ ?: ?=(%group -.e) $(e inner.e)
7361+ ?: &(?=(%body -.e) ?=(~ defs.e)) $(e final.e)
7362+ ?: &(?=(%collection -.expected) =(%list name.expected) (context-list-expression e))
7363+ (infer-list-context e expected env state context)
7365+ =/ empty-list=(unit iresult) (empty-list-null-branch e env state `[expected context])
7366+ ?^ empty-list u.empty-list
7367+ ?~ arms.e [%| ["branch is not supported by partial inference" ~]]
7368+ ?~ t.arms.e [%| ["branch pattern is not supported by partial inference" ~]]
7369+ ?^ t.t.arms.e [%| ["branch is not supported by partial inference" ~]]
7371+ =/ y=arm i.t.arms.e
7372+ ?: |((unit-empty-pattern pat.x) (unit-empty-pattern pat.y))
7373+ (infer-unit-branch e env state `[expected context])
7374+ ?. &(?=(%lit -.pat.x) ?=(%lit -.pat.y))
7375+ [%| ["branch pattern is not supported by partial inference" ~]]
7376+ ?. &(=(%loobean form.lit.pat.x) =(%loobean form.lit.pat.y))
7377+ [%| ["branch pattern is not supported by partial inference" ~]]
7378+ ?: =(val.lit.pat.x val.lit.pat.y)
7379+ [%| ["branch does not cover both loobeans" ~]]
7380+ =/ subject=iresult (infer-fragment subject.e env state)
7381+ ?: ?=(%| -.subject) subject
7382+ =/ subject-type=itype (itype-normalize typ.p.subject sub.state.p.subject)
7383+ ?: ?=(%union -.subject-type)
7384+ [%| ["contextual union-pattern branch is not supported by partial inference" ~]]
7385+ =/ su=(unit isub) (itype-unify typ.p.subject [%flag ~] sub.state.p.subject)
7386+ ?~ su [%| ["loobean branch subject does not unify with ?" ~]]
7387+ =/ left=iresult $(e val.x, state state.p.subject(sub u.su))
7388+ ?: ?=(%| -.left) left
7389+ =/ right=iresult $(e val.y, state state.p.left)
7390+ ?: ?=(%| -.right) right
7391+ [%& expected state.p.right]
7392+ =/ value=iresult (infer-fragment e env state)
7393+ ?: ?=(%| -.value) value
7394+ =/ fit=ifit (itype-fit typ.p.value expected sub.state.p.value next.state.p.value)
7395+ ?: ?=(%unknown -.fit)
7396+ ?: &(?=(%collection -.expected) =(%list name.expected))
7397+ [%| ["branch list constraint is not supported by partial inference" ~]]
7398+ ?: ?=(%flag -.expected) [%| ["branch loobean constraint is not supported by partial inference" ~]]
7399+ [%| ["branch union constraint is not supported by partial inference" ~]]
7401+ =/ missing=(unit idiag) (missing-union-tag e expected sub.state.p.value context)
7402+ ?^ missing [%| u.missing]
7403+ =/ nested=(unit idiag) (nested-missing-tag e typ.p.value expected sub.state.p.value next.state.p.value context)
7404+ ?^ nested [%| u.nested]
7405+ ?: &(?=(%collection -.expected) =(%list name.expected))
7406+ [%| ["branch arm does not fit its expected list" ~[[context "expected list"] [(span-of e) "branch arm"]]]]
7407+ ?: ?=(%flag -.expected)
7408+ [%| ["branch arm does not fit its expected loobean" ~[[context "expected loobean"] [(span-of e) "branch arm"]]]]
7409+ [%| ["branch arm does not fit its expected union" ~[[context "expected union"] [(span-of e) "branch arm"]]]]
7410+ [%& expected state.p.value(sub sub.fit, next next.fit)]
7412+:: A list expression needs a known list target and the validated prelude list.
7413+:: Literal items and unfaced two-item cons cells receive that target one by
7414+:: one; pending constraints elsewhere stay in the threaded state.
7416+++ context-list-expression
7422+ %lit |(=(%null form.lit.e) &(=(%term form.lit.e) =(0 val.lit.e)))
7423+ %group $(e inner.e)
7424+ %body ?~(defs.e $(e final.e) |)
7428+++ infer-list-context
7429+ |= [e=expr expected=itype env=ienv state=istate context=span]
7431+ ?: ?=(%group -.e) $(e inner.e)
7432+ ?: &(?=(%body -.e) ?=(~ defs.e)) $(e final.e)
7433+ ?~ prelude.state [%| ["list literal needs the standard prelude in partial inference" ~]]
7434+ ?. =(at.u.prelude.state /lib/jibb/prelude/jibb)
7435+ [%| ["list literal needs the standard prelude in partial inference" ~]]
7436+ =/ standard=(unit ischeme) (find-jibb-mold %list u.prelude.state)
7437+ ?~ standard [%| ["list literal needs the standard prelude in partial inference" ~]]
7438+ ?. =(u.standard [[%collection %list ~[[%var 0]]] ~[0]])
7439+ [%| ["list literal needs the standard prelude in partial inference" ~]]
7440+ =/ target=itype (itype-walk expected sub.state)
7441+ ?. ?=(%collection -.target) [%| ["list context is not supported by partial inference" ~]]
7442+ ?. =(%list name.target) [%| ["list context is not supported by partial inference" ~]]
7443+ ?~ args.target [%| ["list context is not supported by partial inference" ~]]
7444+ ?^ t.args.target [%| ["list context is not supported by partial inference" ~]]
7446+ ?. |(=(%null form.lit.e) &(=(%term form.lit.e) =(0 val.lit.e)))
7447+ [%| ["list expression is not supported by partial inference" ~]]
7450+ =/ result=iresult (infer-list-items items.e i.args.target env state context)
7451+ ?: ?=(%| -.result) result
7452+ [%& target state.p.result]
7453+ ?. ?=(%tuple -.e) [%| ["list expression is not supported by partial inference" ~]]
7454+ ?~ items.e [%| ["cons shape is not supported by partial inference" ~]]
7455+ ?~ t.items.e [%| ["cons shape is not supported by partial inference" ~]]
7456+ ?^ t.t.items.e [%| ["cons shape is not supported by partial inference" ~]]
7457+ ?^ face.i.items.e [%| ["faced cons is not supported by partial inference" ~]]
7458+ ?^ face.i.t.items.e [%| ["faced cons is not supported by partial inference" ~]]
7459+ =/ head=iresult (infer-list-items ~[val.i.items.e] i.args.target env state context)
7460+ ?: ?=(%| -.head) head
7461+ =/ target=itype (itype-walk target sub.state.p.head)
7463+ ?: (context-list-expression val.i.t.items.e)
7464+ (infer-list-context val.i.t.items.e target env state.p.head context)
7465+ (infer-fragment val.i.t.items.e env state.p.head)
7466+ ?: ?=(%| -.tail) tail
7467+ =/ fit=ifit (itype-fit typ.p.tail target sub.state.p.tail next.state.p.tail)
7468+ ?: ?=(%unknown -.fit) [%| ["list tail constraint is not supported by partial inference" ~]]
7470+ [%| ["list tail does not fit its expected type" ~[[context (site-type-note "expected list" target sub.state.p.tail)] [(span-of val.i.t.items.e) (site-type-note "list tail" typ.p.tail sub.state.p.tail)]]]]
7471+ [%& target state.p.tail(sub sub.fit, next next.fit)]
7473+++ infer-open-list-items
7474+ |= [items=(list expr) expected=itype env=ienv state=istate context=span]
7476+ ?~ items [%& expected state]
7477+ =/ target=itype (itype-walk expected sub.state)
7478+ =/ value=iresult (infer-call-context-arg i.items target env state context)
7479+ ?: ?=(%| -.value) value
7480+ =/ fit=ifit (itype-fit typ.p.value target sub.state.p.value next.state.p.value)
7481+ ?: ?=(%unknown -.fit) [%| ["list item constraint is not supported by partial inference" ~]]
7483+ ?: |((itype-family-related typ.p.value target sub.state.p.value) (itype-has-any-atom typ.p.value sub.state.p.value) (itype-has-any-atom target sub.state.p.value))
7484+ [%| ["list item widening is not supported by partial inference" ~]]
7485+ [%| ["list items do not have compatible types" ~[[context (site-type-note "expected item" target sub.state.p.value)] [(span-of i.items) (site-type-note "list item" typ.p.value sub.state.p.value)]]]]
7486+ ?: (itype-has-tag (itype-normalize expected sub.fit))
7487+ [%| ["list item needs context in partial inference" ~]]
7488+ $(items t.items, state state.p.value(sub sub.fit, next next.fit))
7491+ |= [items=(list expr) expected=itype env=ienv state=istate context=span]
7493+ ?~ items [%& expected state]
7494+ =/ target=itype (itype-walk expected sub.state)
7495+ =/ value=iresult (infer-call-context-arg i.items target env state context)
7496+ ?: ?=(%| -.value) value
7497+ =/ fit=ifit (itype-fit typ.p.value target sub.state.p.value next.state.p.value)
7498+ ?: ?=(%unknown -.fit) [%| ["list item constraint is not supported by partial inference" ~]]
7500+ =/ missing=(unit idiag) (missing-union-tag i.items target sub.state.p.value context)
7501+ ?^ missing [%| u.missing]
7502+ =/ nested=(unit idiag) (nested-missing-tag i.items typ.p.value target sub.state.p.value next.state.p.value context)
7503+ ?^ nested [%| u.nested]
7504+ [%| ["list item does not fit its expected type" ~[[context (site-type-note "expected item" target sub.state.p.value)] [(span-of i.items) (site-type-note "list item" typ.p.value sub.state.p.value)]]]]
7505+ $(items t.items, state state.p.value(sub sub.fit, next next.fit))
7507+:: The supported unit pattern covers exactly an atom zero and a cell
7508+:: headed by zero, with a single binder for its payload. Unresolved
7509+:: subjects and all other pattern matrices stay outside this fragment.
7511+++ unit-empty-pattern
7515+ =(%null form.lit.p)
7517+++ unit-payload-pattern
7524+ ?. (unit-empty-pattern i.items.p) ~
7525+ ?. ?=(%bind -.i.t.items.p) ~
7531+ ?. ?=(%const -.t) |
7534+++ unit-payload-case
7538+ ?. (unit-empty-case hed.t) ~
7539+ =/ payload=itype tal.t
7540+ =? payload ?=(%face -.payload) body.payload
7543+++ unit-union-payload
7546+ ?. ?=(%union -.t) ~
7550+ ?: (unit-empty-case i.cases.t) (unit-payload-case i.t.cases.t)
7551+ ?: (unit-empty-case i.t.cases.t) (unit-payload-case i.cases.t)
7554+:: List matching currently covers exactly null and a cell of two binders.
7555+:: The head has the element type and the tail has the whole list type.
7556+:: Other patterns and lists whose element mold is empty remain unsupported.
7558+++ list-payload-pattern
7560+ ^- (unit [head=term tail=term])
7565+ ?. ?=(%bind -.i.items.p) ~
7566+ ?. ?=(%bind -.i.t.items.p) ~
7567+ `[name.i.items.p name.i.t.items.p]
7569+++ infer-list-branch
7570+ |= [e=expr env=ienv state=istate expected=(unit [typ=itype context=span]) typ=itype]
7573+ ?> ?=(%collection -.typ)
7574+ ?. =(%list name.typ) [%| ["list pattern is not supported by partial inference" ~]]
7575+ ?~ prelude.state [%| ["list pattern needs the standard prelude in partial inference" ~]]
7576+ ?. =(at.u.prelude.state /lib/jibb/prelude/jibb)
7577+ [%| ["list pattern needs the standard prelude in partial inference" ~]]
7578+ =/ standard=(unit ischeme) (find-jibb-mold %list u.prelude.state)
7579+ ?~ standard [%| ["list pattern needs the standard prelude in partial inference" ~]]
7580+ ?. =(u.standard [[%collection %list ~[[%var 0]]] ~[0]])
7581+ [%| ["list pattern needs the standard prelude in partial inference" ~]]
7582+ ?~ args.typ [%| ["list pattern is not supported by partial inference" ~]]
7583+ ?^ t.args.typ [%| ["list pattern is not supported by partial inference" ~]]
7584+ =/ item-live=(unit [result=?(%yes %no %unknown) left=@ud])
7585+ (itype-inhabited-proof i.args.typ sub.state caps.state 256)
7586+ ?~ item-live [%| ["list element reachability needs unsupported inference" ~]]
7587+ ?: =(%unknown result.u.item-live) [%| ["list element reachability needs unsupported inference" ~]]
7588+ ?: =(%no result.u.item-live) [%| ["list nonempty pattern is unreachable" ~]]
7589+ ?~ arms.e [%| ["list branch is not supported by partial inference" ~]]
7590+ ?~ t.arms.e [%| ["list branch is not supported by partial inference" ~]]
7591+ ?^ t.t.arms.e [%| ["list branch is not supported by partial inference" ~]]
7593+ =/ y=arm i.t.arms.e
7594+ =/ first-empty=? (unit-empty-pattern pat.x)
7595+ =/ first-name=(unit [head=term tail=term]) (list-payload-pattern pat.x)
7596+ =/ second-name=(unit [head=term tail=term]) (list-payload-pattern pat.y)
7597+ ?. |(&(first-empty ?=(^ second-name)) &((unit-empty-pattern pat.y) ?=(^ first-name)))
7598+ [%| ["list branch pattern is not supported by partial inference" ~]]
7599+ =/ binder=(unit [head=term tail=term]) ?:(first-empty second-name first-name)
7600+ ?~ binder [%| ["list branch pattern is not supported by partial inference" ~]]
7601+ ?: |(=(head.u.binder %proj) =(tail.u.binder %proj) =(head.u.binder tail.u.binder) ?=(^ (ienv-lookup head.u.binder env)) ?=(^ (ienv-lookup tail.u.binder env)) (lien globals.state |=(n=term |(=(n head.u.binder) =(n tail.u.binder)))))
7602+ [%| ["pattern binder shadows a name" ~]]
7603+ =/ extended=ienv [[head.u.binder [i.args.typ ~]] [tail.u.binder [typ ~]] env]
7605+ ?~ expected (infer-fragment val.x ?:(first-empty env extended) state)
7606+ (infer-union-context val.x typ.u.expected ?:(first-empty env extended) state context.u.expected)
7607+ ?: ?=(%| -.left) left
7609+ ?~ expected (infer-fragment val.y ?:(first-empty extended env) state.p.left)
7610+ (infer-union-context val.y typ.u.expected ?:(first-empty extended env) state.p.left context.u.expected)
7611+ ?: ?=(%| -.right) right
7612+ ?^ expected [%& typ.u.expected state.p.right]
7613+ =/ joined=(unit isub) (itype-unify typ.p.left typ.p.right sub.state.p.right)
7614+ ?~ joined [%| ["list branch results need unsupported inference" ~]]
7615+ [%& typ.p.left state.p.right(sub u.joined)]
7617+++ infer-unit-branch
7618+ |= [e=expr env=ienv state=istate expected=(unit [typ=itype context=span])]
7621+ ?~ arms.e [%| ["unit branch is not supported by partial inference" ~]]
7622+ ?~ t.arms.e [%| ["unit branch is not supported by partial inference" ~]]
7623+ ?^ t.t.arms.e [%| ["unit branch is not supported by partial inference" ~]]
7624+ =/ subject=iresult (infer-fragment subject.e env state)
7625+ ?: ?=(%| -.subject) subject
7626+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
7627+ ?: &(?=(%collection -.typ) =(%list name.typ))
7628+ (infer-list-branch e env state.p.subject expected typ)
7630+ =/ y=arm i.t.arms.e
7631+ =/ first-empty=? (unit-empty-pattern pat.x)
7632+ =/ first-name=(unit term) (unit-payload-pattern pat.x)
7633+ =/ second-name=(unit term) (unit-payload-pattern pat.y)
7634+ ?. |(&(first-empty ?=(^ second-name)) &((unit-empty-pattern pat.y) ?=(^ first-name)))
7635+ [%| ["unit branch pattern is not supported by partial inference" ~]]
7636+ =/ binder=(unit term) ?:(first-empty second-name first-name)
7637+ ?~ binder [%| ["unit branch pattern is not supported by partial inference" ~]]
7638+ ?: |(=(u.binder %proj) ?=(^ (ienv-lookup u.binder env)) (lien globals.state |=(n=term =(n u.binder))))
7639+ [%| ["pattern binder shadows a name" ~]]
7640+ =/ payload=(unit itype) (unit-union-payload typ)
7641+ ?~ payload [%| ["unit branch subject is not supported by partial inference" ~]]
7642+ =/ payload-live=(unit [result=?(%yes %no %unknown) left=@ud])
7643+ (itype-inhabited-proof u.payload sub.state.p.subject caps.state.p.subject 256)
7644+ ?~ payload-live [%| ["unit payload reachability needs unsupported inference" ~]]
7645+ ?: =(%unknown result.u.payload-live) [%| ["unit payload reachability needs unsupported inference" ~]]
7646+ ?: =(%no result.u.payload-live) [%| ["unit present pattern is unreachable" ~]]
7647+ =/ extended=ienv [[u.binder [u.payload ~]] env]
7649+ ?~ expected (infer-fragment val.x ?:(first-empty env extended) state.p.subject)
7650+ (infer-union-context val.x typ.u.expected ?:(first-empty env extended) state.p.subject context.u.expected)
7651+ ?: ?=(%| -.left) left
7653+ ?~ expected (infer-fragment val.y ?:(first-empty extended env) state.p.left)
7654+ (infer-union-context val.y typ.u.expected ?:(first-empty extended env) state.p.left context.u.expected)
7655+ ?: ?=(%| -.right) right
7656+ ?^ expected [%& typ.u.expected state.p.right]
7657+ =/ joined=(unit isub) (itype-unify typ.p.left typ.p.right sub.state.p.right)
7658+ ?~ joined [%| ["unit branch results need unsupported inference" ~]]
7659+ [%& typ.p.left state.p.right(sub u.joined)]
7661+:: Infer pieces in order, retaining their substitutions and pending tags.
7662+:: A bare decimal literal has no outside type constraint, so it takes its
7663+:: normal @ud default here. Other open numeric and aura variables wait for
7664+:: deferred constraints, which this fragment does not implement yet.
7665+++ infer-string-pieces
7666+ |= [ps=(list piece) env=ienv state=istate]
7668+ ?~ ps [%& [%atom %t] state]
7669+ ?: ?=(%text -.i.ps) $(ps t.ps)
7670+ =/ item=iresult (infer-fragment p.i.ps env state)
7671+ ?: ?=(%| -.item) item
7672+ =/ t=itype (itype-normalize typ.p.item sub.state.p.item)
7673+ ?: |(?=(%atom -.t) ?=(%any-atom -.t))
7674+ $(ps t.ps, state state.p.item)
7675+ ?: &(|(?=(%nvar -.t) ?=(%rnvar -.t)) ?=(%lit -.p.i.ps) =(%number form.lit.p.i.ps))
7676+ $(ps t.ps, state state.p.item)
7677+ ?: &(?=(%collection -.t) =(%list name.t) =(~[[%atom 'tD']] args.t))
7678+ $(ps t.ps, state state.p.item)
7679+ ?: &(?=(%avar -.t) (atom-var-from-cap id.t caps.state.p.item sub.state.p.item))
7680+ [%| ["a generic atom in interpolation needs an aura" ~[[(span-of p.i.ps) "atom with a generic aura"]]]]
7681+ ?: &(?=(%rvar -.t) (atom-var-from-cap id.t caps.state.p.item sub.state.p.item))
7682+ [%| ["a generic atom in interpolation needs an aura" ~[[(span-of p.i.ps) "atom with a generic aura"]]]]
7684+ [%| ["a cell in interpolation needs a printer" ~[[(span-of p.i.ps) "cell without a printer"]]]]
7685+ [%| ["interpolation type needs unsupported inference" ~]]
7687+:: Whole-case coverage for a known union. When a pattern may cover only
7688+:: part of a case, finite loobean refinements are tried below; other
7689+:: partial coverage stays unsupported until the general pattern matrix.
7690++$ imatch ?(%full %none %unknown)
7691+++ union-pattern-items
7692+ |= [ps=(list pattern) t=itype]
7695+ ?~ t.ps (union-pattern i.ps t)
7696+ =. t ?:(?=(%face -.t) body.t t)
7698+ ?: |(?=(%atom -.t) ?=(%any-atom -.t) ?=(%flag -.t) ?=(%const -.t)) %none
7700+ =/ a=imatch (union-pattern i.ps hed.t)
7701+ =/ b=imatch $(ps t.ps, t tal.t)
7702+ ?: |(=(%none a) =(%none b)) %none
7703+ ?:(&(=(%full a) =(%full b)) %full %unknown)
7706+ |= [p=pattern t=itype]
7708+ =. t ?:(?=(%face -.t) body.t t)
7713+ ?: ?=(%const -.t) ?:(=(val.literal.t val.lit.p) %full %none)
7714+ ?: ?=(%cell -.t) %none
7716+ ?:(|(=(0 val.lit.p) =(1 val.lit.p)) %unknown %none)
7718+ %str ?:(?=(%cell -.t) %none %unknown)
7719+ %cell (union-pattern-items items.p t)
7722+++ union-pattern-has-bind
7727+ (lien items.p union-pattern-has-bind)
7729+++ union-pattern-bind-items
7730+ |= [ps=(list pattern) t=itype env=ienv globals=(list term)]
7733+ ?~ t.ps (union-pattern-bind i.ps t env globals)
7734+ =. t ?:(?=(%face -.t) body.t t)
7736+ =/ first=(unit ienv) (union-pattern-bind i.ps hed.t env globals)
7738+ $(ps t.ps, t tal.t, env u.first)
7740+++ union-pattern-bind
7741+ |= [p=pattern t=itype env=ienv globals=(list term)]
7743+ =. t ?:(?=(%face -.t) body.t t)
7745+ ?: |(=(name.p %proj) ?=(^ (ienv-lookup name.p env)) (lien globals |=(n=term =(n name.p)))) ~
7746+ `[[name.p [t ~]] env]
7747+ ?: ?=(%cell -.p) (union-pattern-bind-items items.p t env globals)
7750+:: Split loobean fields into finite refinements for partial patterns.
7751+:: Keep original cases for binder types and preserve whole-case matching
7752+:: before trying refinements. Cap products at 64; unknown, empty or opaque
7753+:: shapes stay unsupported rather than implying complete pattern checking.
7754++$ ifinite [origin=@ud base=itype part=itype]
7756+ |= [hs=(list itype) ts=(list itype) out=(list itype)]
7759+ =/ rows=(list itype) (turn ts |=(t=itype [%cell i.hs t]))
7760+ $(hs t.hs, out (weld rows out))
7764+ ^- (unit (list itype))
7767+ `~[[%const [%loobean %f 0 '%.y']] [%const [%loobean %f 1 '%.n']]]
7769+ =/ body=(unit (list itype)) $(t body.t)
7771+ `(turn u.body |=(x=itype [%face name.t x]))
7773+ =/ hed=(unit (list itype)) $(t hed.t)
7775+ =/ tal=(unit (list itype)) $(t tal.t)
7777+ ?: (gth (mul (lent u.hed) (lent u.tal)) 64) ~
7778+ `(finite-product u.hed u.tal ~)
7783+ |= [xs=(list itype) out=(list ifinite) origin=@ud]
7784+ ^- (unit (list ifinite))
7786+ =/ parts=(unit (list itype)) (finite-type i.xs)
7788+ ?: (gth (add (lent out) (lent u.parts)) 64) ~
7789+ =/ rows=(list ifinite) (turn u.parts |=(t=itype [origin i.xs t]))
7790+ $(xs t.xs, out (weld out rows), origin +(origin))
7792+++ infer-known-union-whole
7793+ |= [e=expr env=ienv subject=iresult]
7796+ ?: ?=(%| -.subject) `subject
7797+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
7798+ ?. ?=(%union -.typ) `[%| ["branch is not supported by partial inference" ~]]
7799+ =/ live=(unit (list itype)) (itype-live-cases cases.typ sub.state.p.subject caps.state.p.subject 4.096)
7801+ =/ cases=(list itype) u.live
7802+ =/ remaining=(list itype) cases
7803+ =/ arms=(list arm) arms.e
7804+ =/ st=istate state.p.subject
7805+ =/ answer=(unit itype) ~
7809+ `[%| ["missing union case {(show-itype i.remaining sub.st)}" ~]]
7810+ ?~ answer `[%| ["empty union branch is not supported by partial inference" ~]]
7813+ ?: (lien remaining |=(c=itype =(%unknown (union-pattern pat.a c))))
7815+ =/ matching=(list itype) (skim remaining |=(c=itype =(%full (union-pattern pat.a c))))
7817+ ?: (lien cases |=(c=itype =(%full (union-pattern pat.a c))))
7818+ `[%| ["branch arm is covered by earlier arms" ~[[at.pat.a "covered arm"]]]]
7819+ `[%| ["union pattern is not supported by partial inference" ~]]
7820+ ?: &(?=(^ t.matching) (union-pattern-has-bind pat.a))
7821+ `[%| ["a union pattern binding several cases is not supported by partial inference" ~]]
7822+ =/ bound=(unit ienv) (union-pattern-bind pat.a i.matching env globals.st)
7823+ ?~ bound `[%| ["pattern binder shadows a name" ~]]
7824+ =/ body=iresult (infer-fragment val.a u.bound st)
7825+ ?: ?=(%| -.body) `body
7826+ =/ result=itype (itype-normalize typ.p.body sub.state.p.body)
7827+ =/ mismatch=? ?~(answer | !=((itype-normalize u.answer sub.state.p.body) result))
7828+ ?: mismatch `[%| ["union branch result matching needs unsupported inference" ~]]
7829+ $(arms t.arms, remaining (skim remaining |=(c=itype !=(%full (union-pattern pat.a c)))), st state.p.body, answer `result)
7831+++ infer-known-union-context-whole
7832+ |= [e=expr expected=itype env=ienv subject=iresult context=span]
7835+ ?: ?=(%| -.subject) `subject
7836+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
7837+ ?. ?=(%union -.typ) `[%| ["branch is not supported by partial inference" ~]]
7838+ =/ live=(unit (list itype)) (itype-live-cases cases.typ sub.state.p.subject caps.state.p.subject 4.096)
7840+ =/ cases=(list itype) u.live
7841+ =/ remaining=(list itype) cases
7842+ =/ arms=(list arm) arms.e
7843+ =/ st=istate state.p.subject
7844+ =/ answer=(unit itype) ~
7848+ `[%| ["missing union case {(show-itype i.remaining sub.st)}" ~]]
7849+ ?~ answer `[%| ["empty union branch is not supported by partial inference" ~]]
7852+ ?: (lien remaining |=(c=itype =(%unknown (union-pattern pat.a c))))
7854+ =/ matching=(list itype) (skim remaining |=(c=itype =(%full (union-pattern pat.a c))))
7856+ ?: (lien cases |=(c=itype =(%full (union-pattern pat.a c))))
7857+ `[%| ["branch arm is covered by earlier arms" ~[[at.pat.a "covered arm"]]]]
7858+ `[%| ["union pattern is not supported by partial inference" ~]]
7859+ ?: &(?=(^ t.matching) (union-pattern-has-bind pat.a))
7860+ `[%| ["a union pattern binding several cases is not supported by partial inference" ~]]
7861+ =/ bound=(unit ienv) (union-pattern-bind pat.a i.matching env globals.st)
7862+ ?~ bound `[%| ["pattern binder shadows a name" ~]]
7863+ =/ body=iresult (infer-call-context-arg val.a expected u.bound st context)
7864+ ?: ?=(%| -.body) `body
7865+ =/ fit=ifit (itype-fit typ.p.body expected sub.state.p.body next.state.p.body)
7866+ ?: ?=(%unknown -.fit) `[%| ["union branch result constraint is not supported by partial inference" ~]]
7868+ =/ missing=(unit idiag) (missing-union-tag val.a expected sub.state.p.body context)
7869+ ?^ missing `[%| u.missing]
7870+ =/ nested=(unit idiag) (nested-missing-tag val.a typ.p.body expected sub.state.p.body next.state.p.body context)
7871+ ?^ nested `[%| u.nested]
7872+ `[%| ["union branch arm does not fit its expected type" ~[[context "expected type"] [(span-of val.a) "branch arm"]]]]
7873+ ?: (itype-has-tag (itype-normalize expected sub.fit))
7874+ `[%| ["union branch result needs context in partial inference" ~]]
7875+ $(arms t.arms, remaining (skim remaining |=(c=itype !=(%full (union-pattern pat.a c)))), st state.p.body(sub sub.fit, next next.fit), answer `expected)
7877+++ infer-known-union-finite
7878+ |= [e=expr env=ienv subject=iresult expected=(unit [typ=itype context=span])]
7881+ ?: ?=(%| -.subject) subject
7882+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
7883+ ?. ?=(%union -.typ) [%| ["branch is not supported by partial inference" ~]]
7884+ =/ live=(unit (list itype)) (itype-live-cases cases.typ sub.state.p.subject caps.state.p.subject 4.096)
7885+ ?~ live [%| ["union emptiness needs unsupported inference" ~]]
7886+ =/ expanded=(unit (list ifinite)) (finite-cases u.live ~ 0)
7887+ ?~ expanded [%| ["union pattern expansion needs unsupported inference" ~]]
7888+ =/ cases=(list ifinite) u.expanded
7889+ =/ remaining=(list ifinite) cases
7890+ =/ arms=(list arm) arms.e
7891+ =/ st=istate state.p.subject
7892+ =/ answer=(unit itype) ~
7896+ [%| ["missing union case {(show-itype part.i.remaining sub.st)}" ~]]
7897+ ?~ answer [%| ["empty union branch is not supported by partial inference" ~]]
7898+ ?~ expected [%& u.answer st]
7899+ [%& typ.u.expected st]
7901+ ?: (lien remaining |=(c=ifinite =(%unknown (union-pattern pat.a part.c))))
7902+ [%| ["partial union pattern is not supported by partial inference" ~]]
7903+ =/ matching=(list ifinite) (skim remaining |=(c=ifinite =(%full (union-pattern pat.a part.c))))
7905+ ?: (lien cases |=(c=ifinite =(%full (union-pattern pat.a part.c))))
7906+ [%| ["branch arm is covered by earlier arms" ~[[at.pat.a "covered arm"]]]]
7907+ [%| ["union pattern is not supported by partial inference" ~]]
7908+ ?: &((union-pattern-has-bind pat.a) (lien t.matching |=(c=ifinite !=(origin.c origin.i.matching))))
7909+ [%| ["a union pattern binding several cases is not supported by partial inference" ~]]
7910+ =/ bound=(unit ienv) (union-pattern-bind pat.a base.i.matching env globals.st)
7911+ ?~ bound [%| ["pattern binder shadows a name" ~]]
7913+ ?~ expected (infer-fragment val.a u.bound st)
7914+ (infer-call-context-arg val.a typ.u.expected u.bound st context.u.expected)
7915+ ?: ?=(%| -.body) body
7917+ =/ fit=ifit (itype-fit typ.p.body typ.u.expected sub.state.p.body next.state.p.body)
7918+ ?: ?=(%unknown -.fit) [%| ["union branch result constraint is not supported by partial inference" ~]]
7920+ =/ missing=(unit idiag) (missing-union-tag val.a typ.u.expected sub.state.p.body context.u.expected)
7921+ ?^ missing [%| u.missing]
7922+ =/ nested=(unit idiag) (nested-missing-tag val.a typ.p.body typ.u.expected sub.state.p.body next.state.p.body context.u.expected)
7923+ ?^ nested [%| u.nested]
7924+ [%| ["union branch arm does not fit its expected type" ~[[context.u.expected "expected type"] [(span-of val.a) "branch arm"]]]]
7925+ ?: (itype-has-tag (itype-normalize typ.u.expected sub.fit))
7926+ [%| ["union branch result needs context in partial inference" ~]]
7927+ $(arms t.arms, remaining (skim remaining |=(c=ifinite !=(%full (union-pattern pat.a part.c)))), st state.p.body(sub sub.fit, next next.fit), answer `typ.u.expected)
7928+ =/ result=itype (itype-normalize typ.p.body sub.state.p.body)
7929+ =/ mismatch=? ?~(answer | !=((itype-normalize u.answer sub.state.p.body) result))
7930+ ?: mismatch [%| ["union branch result matching needs unsupported inference" ~]]
7931+ $(arms t.arms, remaining (skim remaining |=(c=ifinite !=(%full (union-pattern pat.a part.c)))), st state.p.body, answer `result)
7933+:: Prove a one-arm record pattern covers a known, non-union subject.
7934+:: Variable or partial matches stay unsupported; binding uses the same
7935+:: scope and original payload types as the existing union matcher.
7936+++ single-structured-pattern
7939+ ?. ?=(%branch -.e) |
7942+ =/ p=pattern pat.i.arms.e
7944+ !(levy items.p |=(x=pattern ?=(%bind -.x)))
7946+++ infer-single-case-branch
7947+ |= [e=expr env=ienv state=istate expected=(unit [typ=itype context=span])]
7949+ ?> (single-structured-pattern e)
7953+ =/ subject=iresult (infer-fragment subject.e env state)
7954+ ?: ?=(%| -.subject) subject
7955+ =/ st=istate state.p.subject
7956+ =/ typ=itype (itype-normalize typ.p.subject sub.st)
7957+ ?: ?=(%union -.typ) [%| ["single-case pattern needs unsupported inference" ~]]
7958+ ?. =(%full (union-pattern pat.a typ))
7959+ [%| ["single-case pattern needs unsupported inference" ~]]
7960+ =/ bound=(unit ienv) (union-pattern-bind pat.a typ env globals.st)
7961+ ?~ bound [%| ["pattern binder shadows a name" ~]]
7962+ ?~ expected (infer-fragment val.a u.bound st)
7963+ =/ body=iresult (infer-call-context-arg val.a typ.u.expected u.bound st context.u.expected)
7964+ ?: ?=(%| -.body) body
7965+ =/ fit=ifit (itype-fit typ.p.body typ.u.expected sub.state.p.body next.state.p.body)
7966+ ?: ?=(%unknown -.fit) [%| ["single-case branch result constraint is not supported by partial inference" ~]]
7968+ =/ missing=(unit idiag) (missing-union-tag val.a typ.u.expected sub.state.p.body context.u.expected)
7969+ ?^ missing [%| u.missing]
7970+ =/ nested=(unit idiag) (nested-missing-tag val.a typ.p.body typ.u.expected sub.state.p.body next.state.p.body context.u.expected)
7971+ ?^ nested [%| u.nested]
7972+ [%| ["single-case branch arm does not fit its expected type" ~[[context.u.expected "expected type"] [(span-of val.a) "branch arm"]]]]
7973+ ?: (itype-has-tag (itype-normalize typ.u.expected sub.fit))
7974+ [%| ["single-case branch result needs context in partial inference" ~]]
7975+ [%& typ.u.expected state.p.body(sub sub.fit, next next.fit)]
7977+:: This view is used only by pattern analysis, never exported or bound as
7978+:: the subject. Only null plus a two-binder/wildcard cell is supported; its
7979+:: tail keeps the original recursive type. Other patterns fail closed.
7981+ |= [e=expr subject=iresult]
7983+ ?: ?=(%| -.subject) subject
7984+ ?. ?=(%branch -.e) subject
7985+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
7986+ ?. ?=(%jrec -.typ) subject
7988+ ?~ t.arms.e subject
7989+ ?^ t.t.arms.e subject
7990+ =/ x=pattern pat.i.arms.e
7991+ =/ y=pattern pat.i.t.arms.e
7992+ =/ empty=? &(?=(%lit -.x) =(%null form.lit.x))
7993+ =/ full=pattern ?:(empty y x)
7994+ ?. |(empty &(?=(%lit -.y) =(%null form.lit.y))) subject
7995+ ?. ?=(%cell -.full) subject
7996+ ?~ items.full subject
7997+ ?~ t.items.full subject
7998+ ?^ t.t.items.full subject
7999+ ?. |(?=(%bind -.i.items.full) ?=(%any -.i.items.full)) subject
8000+ ?. |(?=(%bind -.i.t.items.full) ?=(%any -.i.t.items.full)) subject
8001+ ?: =(0 jrec-fuel.state.p.subject)
8002+ [%| ["recursive mold unfolding needs unsupported inference" ~]]
8003+ =/ nil=itype [%const [%null %n 0 '~']]
8004+ =/ cell=itype [%cell [%face head.typ [%atom aura.typ]] [%face tail.typ typ]]
8005+ [%& [%union ~[nil cell] ~ ~ ~] state.p.subject(jrec-fuel (dec jrec-fuel.state.p.subject))]
8007+:: A bounded source-proven tree match permits flat tag patterns and
8008+:: nonbinding catch-alls. Whole-case binders cannot consume the temporary
8009+:: structural view. Pattern count and field arity are checked first.
8010+++ grec-simple-pattern
8011+ |= [pat=pattern view=itype]
8013+ ?. ?=(%cell -.pat) |
8015+ =/ first=pattern i.items.pat
8016+ ?. ?=(%lit -.first) |
8017+ ?. =(%term form.lit.first) |
8018+ =/ chosen=(unit itype) (contextual-tagged-case view val.lit.first ~)
8020+ ?> ?=(%cell -.u.chosen)
8021+ =/ rest=(list pattern) t.items.pat
8022+ =/ arity=? ?:(?=(%cell -.tal.u.chosen) ?=([* [* ~]] rest) ?=([* ~] rest))
8024+ (levy rest |=(p=pattern |(?=(%bind -.p) ?=(%any -.p))))
8026+:: A catch-all with no binder is safe even when it covers both cases.
8027+:: A bound whole case still declines to avoid exporting the analysis view.
8028+++ grec-patterns-eligible
8029+ |= [arms=(list arm) view=itype left=@ud]
8033+ =/ pat=pattern pat.i.arms
8034+ ?. |(?=(%any -.pat) (grec-simple-pattern pat view)) |
8035+ $(arms t.arms, left (dec left))
8037+ |= [e=expr subject=iresult]
8039+ ?: ?=(%| -.subject) subject
8040+ ?. ?=(%branch -.e) subject
8041+ ?. (grec-direct-context typ.p.subject sub.state.p.subject) subject
8042+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
8043+ ?. ?=(%grec -.typ) subject
8045+ =/ view=(unit [view=itype left=@ud]) (grec-unfold-view typ jrec-fuel.state.p.subject)
8046+ ?~ view [%| ["recursive mold unfolding needs unsupported inference" ~]]
8047+ ?. (grec-patterns-eligible arms.e view.u.view 128) subject
8048+ [%& view.u.view state.p.subject(jrec-fuel left.u.view)]
8050+:: A single-arm diagnostic only probes a direct, source-typed in-scope wing;
8051+:: other subjects retain the prior single-pattern inference path.
8052+++ grec-single-wing-subject
8053+ |= [e=expr env=ienv state=istate]
8056+ ?. ?=([@ ~] names.e) ~
8057+ =/ scheme=(unit ischeme) (ienv-lookup i.names.e env)
8059+ ?. (grec-direct-context typ.u.scheme sub.state) ~
8060+ `(infer-fragment e env state)
8062+++ infer-known-union-branch-subject
8063+ |= [e=expr env=ienv subject=iresult]
8065+ =. subject (grec-match-view e subject)
8066+ =. subject (jrec-match-view e subject)
8067+ =/ whole=(unit iresult) (infer-known-union-whole e env subject)
8068+ ?~ whole (infer-known-union-finite e env subject ~)
8071+++ infer-known-union-branch
8072+ |= [e=expr env=ienv state=istate]
8075+ (infer-known-union-branch-subject e env (infer-fragment subject.e env state))
8077+++ infer-known-union-context-subject
8078+ |= [e=expr expected=itype env=ienv subject=iresult context=span]
8080+ =. subject (grec-match-view e subject)
8081+ =. subject (jrec-match-view e subject)
8082+ =/ whole=(unit iresult) (infer-known-union-context-whole e expected env subject context)
8083+ ?~ whole (infer-known-union-finite e env subject `[expected context])
8086+:: Limit speculative subject inference to wings and shallow calls;
8087+:: grouping is peeled linearly and cannot introduce a nested branch.
8088+++ simple-union-subject-arg
8094+ %str !(lien pieces.e |=(p=piece ?=(%expr -.p)))
8098+++ safe-union-subject
8101+ ?: ?=(%group -.e) $(e inner.e)
8104+ ?. ?=(%wing -.head.e) |
8105+ (levy args.e simple-union-subject-arg)
8107+++ duplicate-loobean-arms
8110+ ?. ?=(%branch -.e) |
8114+ =/ x=pattern pat.i.arms.e
8115+ =/ y=pattern pat.i.t.arms.e
8116+ ?. &(?=(%lit -.x) ?=(%lit -.y)) |
8117+ ?. &(=(%loobean form.lit.x) =(%loobean form.lit.y)) |
8118+ =(val.lit.x val.lit.y)
8120+++ union-subject-call
8123+ ?: ?=(%group -.e) $(e inner.e)
8126+++ known-union-subject
8127+ |= [e=expr env=ienv state=istate]
8129+ ?. (safe-union-subject e) ~
8130+ =/ subject=iresult (infer-fragment e env state)
8131+ ?: ?=(%| -.subject) ?:((union-subject-call e) `subject ~)
8132+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
8133+ ?. |(?=(%union -.typ) ?=(%jrec -.typ) &(?=(%grec -.typ) (grec-direct-context typ.p.subject sub.state.p.subject))) ~
8136+:: A direct wing with an already-known union may skip genuinely empty cases
8137+:: when checking a one-arm match. Other subjects keep their existing path.
8138+:: A directly known canonical list of an empty element contains only null.
8139+:: This helper never refines an opaque or variable-bound subject.
8140+++ empty-list-null-branch
8141+ |= [e=expr env=ienv state=istate expected=(unit [typ=itype context=span])]
8143+ ?. ?=(%branch -.e) ~
8146+ ?. (unit-empty-pattern pat.i.arms.e) ~
8147+ ?. ?=(%wing -.subject.e) ~
8148+ ?. ?=([@ ~] names.subject.e) ~
8149+ =/ scheme=(unit ischeme) (ienv-lookup i.names.subject.e env)
8151+ ?. ?=(%collection -.typ.u.scheme) ~
8152+ ?. =(%list name.typ.u.scheme) ~
8154+ ?. =(at.u.prelude.state /lib/jibb/prelude/jibb) ~
8155+ =/ standard=(unit ischeme) (find-jibb-mold %list u.prelude.state)
8157+ ?. =(u.standard [[%collection %list ~[[%var 0]]] ~[0]]) ~
8158+ =/ subject=iresult (infer-fragment subject.e env state)
8159+ ?: ?=(%| -.subject) ~
8160+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
8161+ ?. ?=(%collection -.typ) ~
8162+ ?. =(%list name.typ) ~
8165+ =/ proof=(unit [empty=? left=@ud]) (itype-empty-proof i.args.typ sub.state.p.subject 256)
8168+ ?~ expected `(infer-fragment val.i.arms.e env state.p.subject)
8169+ =/ body=iresult (infer-call-context-arg val.i.arms.e typ.u.expected env state.p.subject context.u.expected)
8170+ ?: ?=(%| -.body) `body
8171+ =/ fit=ifit (itype-fit typ.p.body typ.u.expected sub.state.p.body next.state.p.body)
8172+ ?: ?=(%unknown -.fit) `[%| ["single-case branch result constraint is not supported by partial inference" ~]]
8173+ ?: ?=(%bad -.fit) `[%| ["single-case branch arm does not fit its expected type" ~[[context.u.expected "expected type"] [(span-of val.i.arms.e) "branch arm"]]]]
8174+ ?: (itype-has-tag (itype-normalize typ.u.expected sub.fit))
8175+ `[%| ["single-case branch result needs context in partial inference" ~]]
8176+ `[%& typ.p.body state.p.body(sub sub.fit, next next.fit)]
8178+++ known-empty-union-wing
8179+ |= [e=expr env=ienv state=istate]
8182+ ?. ?=([@ ~] names.e) ~
8183+ =/ scheme=(unit ischeme) (ienv-lookup i.names.e env)
8185+ ?. (contextual-direct-union typ.u.scheme) ~
8186+ =/ subject=iresult (infer-fragment e env state)
8187+ ?: ?=(%| -.subject) ~
8188+ =/ typ=itype (itype-normalize typ.p.subject sub.state.p.subject)
8189+ ?. ?=(%union -.typ) ~
8190+ =/ live=(unit (list itype)) (itype-live-cases cases.typ sub.state.p.subject caps.state.p.subject 4.096)
8192+ ?: =(u.live cases.typ) ~
8195+:: Infer changes only against a fully known record spine. Retain the
8196+:: target type; unknown spines and repeated edits remain unsupported.
8197+++ change-spine-known
8198+ |= [t=itype sub=isub]
8200+ =. t (itype-walk t sub)
8203+ =/ first=itype (itype-walk hed.t sub)
8204+ ?. ?=(%face -.first) |
8207+++ infer-change-edits
8208+ |= [edits=(list edit) target=itype env=ienv state=istate seen=(list term)]
8210+ ?~ edits [%& target state]
8211+ =/ entry=edit i.edits
8212+ ?: (lien seen |=(name=term =(name name.entry)))
8213+ [%| ["repeated change fields are not supported by partial inference" ~]]
8214+ ?. (change-spine-known target sub.state)
8215+ [%| ["change target needs a known record in partial inference" ~]]
8216+ =/ found=(list itype) (record-fields-named name.entry target sub.state)
8218+ [%| ["record has no field `{(trip name.entry)}`" ~[[at.entry "unknown field"]]]]
8219+ ?^ t.found [%| ["change field is ambiguous in partial inference" ~]]
8220+ =/ expected=itype i.found
8221+ =/ value=iresult (infer-call-context-arg val.entry expected env state at.entry)
8222+ ?: ?=(%| -.value) value
8223+ =/ fit=ifit (itype-fit typ.p.value expected sub.state.p.value next.state.p.value)
8224+ ?: ?=(%unknown -.fit) [%| ["change field constraint is not supported by partial inference" ~]]
8226+ [%| ["change field and replacement do not unify" ~[[at.entry (site-type-note "expected replacement" expected sub.state.p.value)] [(span-of val.entry) (site-type-note "replacement" typ.p.value sub.state.p.value)]]]]
8227+ $(edits t.edits, state state.p.value(sub sub.fit, next next.fit), seen [name.entry seen])
8229+:: Backtick constructs the canonical prelude unit, after checking its
8230+:: prepared template has the standard null and [~ u=A] cases.
8231+++ standard-unit-template
8232+ |= [template=ischeme at=path]
8234+ ?. =(at /lib/jibb/prelude/jibb) |
8236+ ?^ t.vars.template |
8237+ =/ v=@ud i.vars.template
8238+ =/ nil=itype [%const [%null %n 0 '~']]
8240+ [%union ~[nil [%cell nil [%face %u [%var v]]]] `[at %unit] `%unit ~[[%var v]]]
8241+ =(typ.template expected)
8243+:: A named missing-case diagnostic needs more than a failed fit: a case
8244+:: with that tag but the wrong payload is not a missing case. Unknown
8245+:: shapes and atom types that accept terms keep the proof conservative.
8246++$ itag-presence ?(%yes %no %maybe)
8247+++ tag-presence-cases
8248+ |= [cases=(list itype) value=@ sub=isub]
8251+ =/ first=itag-presence (tag-presence i.cases value sub)
8252+ ?: =(%yes first) %yes
8253+ =/ rest=itag-presence $(cases t.cases)
8254+ ?: =(%yes rest) %yes
8255+ ?: |(=(%maybe first) =(%maybe rest)) %maybe
8259+ |= [t=itype value=@ sub=isub]
8261+ =. t (itype-walk t sub)
8263+ %const ?:(=(value val.literal.t) %yes %no)
8264+ %flag ?:(|(=(value 0) =(value 1)) %yes %no)
8265+ %atom ?:(|(=(%tas aura.t) =(%ta aura.t)) %maybe %no)
8268+ =/ first=itag-presence $(t hed.t)
8269+ ?: =(%yes first) %yes
8270+ =/ rest=itag-presence $(t tal.t)
8271+ ?: =(%yes rest) %yes
8272+ ?: |(=(%maybe first) =(%maybe rest)) %maybe
8274+ %union (tag-presence-cases cases.t value sub)
8278+++ missing-union-tag
8279+ |= [e=expr expected=itype sub=isub context=span]
8282+ ?. =(%term form.lit.e) ~
8283+ =. expected (itype-walk expected sub)
8285+ ?: ?=(%face -.expected) $(expected (itype-walk body.expected sub))
8286+ ?. ?=(%union -.expected) ~
8287+ ?. =(%no (tag-presence-cases cases.expected val.lit.e sub)) ~
8289+ ?~ label.expected "union {(show-itype expected sub)}"
8290+ (show-itype expected sub)
8291+ `["{label} has no case `{(trip txt.lit.e)}`" ~[[context "expected union"] [(span-of e) "tag"]]]
8293+:: Locate a missing tag inside a syntactic tuple only by replaying the
8294+:: directional fit in source order. Uncertain or earlier failures stop
8295+:: the walk, preserving the generic diagnostic rather than guessing.
8296+++ nested-missing-tag
8297+ |= [e=expr actual=itype expected=itype sub=isub next=@ud context=span]
8299+ =/ original=[left=itype right=itype] [actual expected]
8300+ ?: |(?=(%var -.left.original) ?=(%avar -.left.original) ?=(%rvar -.left.original) |(?=(%nvar -.left.original) ?=(%rnvar -.left.original)) ?=(%var -.right.original) ?=(%avar -.right.original) ?=(%rvar -.right.original) |(?=(%nvar -.right.original) ?=(%rnvar -.right.original))) ~
8301+ =/ fit=ifit (itype-fit actual expected sub next)
8302+ ?. ?=(%bad -.fit) ~
8303+ =. actual (itype-walk actual sub)
8304+ =. expected (itype-walk expected sub)
8305+ ?: &(?=(%face -.actual) ?=(%face -.expected))
8306+ ?. =(name.actual name.expected) ~
8307+ $(actual body.actual, expected body.expected)
8308+ ?: ?=(%face -.actual) $(actual body.actual)
8309+ ?: ?=(%face -.expected) $(expected body.expected)
8310+ =/ direct=(unit idiag) (missing-union-tag e expected sub context)
8312+ ?. ?=(%tuple -.e) ~
8313+ (nested-missing-items items.e actual expected sub next context)
8315+++ nested-missing-items
8316+ |= [items=(list item) actual=itype expected=itype sub=isub next=@ud context=span]
8319+ ?~ t.items (nested-missing-tag val.i.items actual expected sub next context)
8320+ =/ original=[left=itype right=itype] [actual expected]
8321+ ?: |(?=(%var -.left.original) ?=(%avar -.left.original) ?=(%rvar -.left.original) |(?=(%nvar -.left.original) ?=(%rnvar -.left.original)) ?=(%var -.right.original) ?=(%avar -.right.original) ?=(%rvar -.right.original) |(?=(%nvar -.right.original) ?=(%rnvar -.right.original))) ~
8322+ =. actual (itype-walk actual sub)
8323+ =. expected (itype-walk expected sub)
8324+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) ~
8325+ =/ first=ifit (itype-fit hed.actual hed.expected sub next)
8326+ ?: ?=(%bad -.first)
8327+ (nested-missing-tag val.i.items hed.actual hed.expected sub next context)
8328+ ?. ?=(%ok -.first) ~
8329+ $(items t.items, actual tal.actual, expected tal.expected, sub sub.first, next next.first)
8331+:: A term-headed pair is the same noun as a two-item cell. Preserve the
8332+:: whole pair span for the synthetic head and the value's own span for
8333+:: the payload; unresolved term constraints follow ordinary cell inference.
8338+ =/ head=expr [%lit at.e [%term %tas tag.e (crip ['%' (trip tag.e)])]]
8339+ [%tuple at.e ~[[at.e ~ head] [(span-of val.e) ~ val.e]]]
8341+:: A segment costs one shared step; dynamic segments are not handled yet.
8343+ |= [segs=(list qseg) fuel=@ud]
8347+ ?. ?=(%knot -.i.segs) ~
8348+ $(segs t.segs, fuel (dec fuel))
5156++ infer-fragment
8350++ infer-fragment
5157 |= [e=expr env=ienv state=istate]
8351 |= [e=expr env=ienv state=istate]
5158 ^- iresult
8352 ^- iresult
8354+ %pair $(e (pair-as-cell e))
5161 ?- form.lit.e
8356 ?- form.lit.e
5162 %number ?: =(%ud aura.lit.e)
8357 %number ?: =(%ud aura.lit.e)
@@ -5167,42 +8362,137 @@
5167 %duration [%& [%atom %dr] state]
8362 %duration [%& [%atom %dr] state]
5168 %knot [%& [%atom %ta] state]
8363 %knot [%& [%atom %ta] state]
5169 %loobean [%& [%flag ~] state]
8364 %loobean [%& [%flag ~] state]
5170− * [%| ["literal needs contextual inference" ~]]
8365+ %term [%& [%tag next.state lit.e |] state(next +(next.state), tags [[next.state lit.e] tags.state])]
8366+ %null [%& [%tag next.state lit.e |] state(next +(next.state), tags [[next.state lit.e] tags.state])]
5173− =/ interpolated=? (lien pieces.e |=(p=piece ?=(%expr -.p)))
8369+ ?~ prelude.state [%| ["unit construction needs the standard prelude in partial inference" ~]]
8370+ =/ standard=(unit ischeme) (find-jibb-mold %unit u.prelude.state)
8371+ ?~ standard [%| ["unit construction needs the standard prelude in partial inference" ~]]
8372+ ?. (standard-unit-template u.standard at.u.prelude.state)
8373+ [%| ["unit construction needs the standard prelude in partial inference" ~]]
8374+ =/ value=iresult $(e val.e)
8375+ ?: ?=(%| -.value) value
8376+ =/ result=(unit itype) (template-apply u.standard ~[typ.p.value])
5174− ?: interpolated [%| ["interpolation is not supported by partial inference" ~]]
8377+ ?~ result [%| ["unit construction is not supported by partial inference" ~]]
5175− [%& [%atom %t] state]
8378+ [%& u.result state.p.value]
8380+ ?~ prelude.state [%| ["list literal needs the standard prelude in partial inference" ~]]
8381+ ?. =(at.u.prelude.state /lib/jibb/prelude/jibb)
8382+ [%| ["list literal needs the standard prelude in partial inference" ~]]
8383+ =/ standard=(unit ischeme) (find-jibb-mold %list u.prelude.state)
8384+ ?~ standard [%| ["list literal needs the standard prelude in partial inference" ~]]
8385+ ?. =(u.standard [[%collection %list ~[[%var 0]]] ~[0]])
8386+ [%| ["list literal needs the standard prelude in partial inference" ~]]
8387+ =/ element=itype [%var next.state]
8388+ =/ result=iresult (infer-open-list-items items.e element env state(next +(next.state)) at.e)
8389+ ?: ?=(%| -.result) result
8390+ [%& [%collection %list ~[element]] state.p.result]
8391+ %str (infer-string-pieces pieces.e env state)
8393+ ?~ prelude.state [%| ["application path needs the standard prelude in partial inference" ~]]
8394+ ?. =(at.u.prelude.state /lib/jibb/prelude/jibb)
8395+ [%| ["application path needs the standard prelude in partial inference" ~]]
8396+ =/ standard=(unit ischeme) (find-jibb-mold %qath u.prelude.state)
8397+ ?~ standard [%| ["application path needs the standard prelude in partial inference" ~]]
8398+ ?. ?=(~ vars.u.standard) [%| ["application path mold needs unsupported inference" ~]]
8399+ =/ typ=itype typ.u.standard
8400+ ?. ?=(%jrec -.typ) [%| ["application path mold needs unsupported inference" ~]]
8401+ ?. &(=(at.typ /lib/jibb/internal/jibb) =(%qath name.typ) =(%i head.typ) =(%ta aura.typ) =(%t tail.typ))
8402+ [%| ["application path mold needs unsupported inference" ~]]
8403+ ?: =(0 jrec-fuel.state) [%| ["recursive mold unfolding needs unsupported inference" ~]]
8404+ =/ remain=(unit @ud) (qath-static-fuel segs.e (dec jrec-fuel.state))
8405+ ?~ remain [%| ["application path segments need unsupported inference" ~]]
8406+ [%& typ state(jrec-fuel u.remain)]
5177 ?~ names.e [%| ["empty wing" ~]]
8408 ?~ names.e [%| ["empty wing" ~]]
8410+ ?^ t.t.names.e (infer-field-wing names.e env state)
8411+ =/ iface=(unit ifile) (find-jibb-interface i.t.names.e jimports.state)
8412+ ?~ iface (infer-field-wing names.e env state)
8413+ =/ member=(unit ischeme) (ienv-lookup i.names.e values.u.iface)
5178− ?^ t.names.e [%| ["field access is not supported by partial inference" ~]]
8414+ ?~ member [%| ["module member is not available to partial inference" ~]]
8415+ =. typ.u.member (itype-in-import typ.u.member u.iface i.t.names.e prelude.state)
8416+ =/ instance=[typ=itype state=istate] (instantiate-scheme u.member state)
8417+ [%& typ.instance state.instance]
5179 =/ scheme=(unit ischeme) (ienv-lookup i.names.e env)
8418 =/ scheme=(unit ischeme) (ienv-lookup i.names.e env)
5180− ?~ scheme [%| ["name is not available to partial inference" ~]]
8420+ ?~ prelude.state [%| ["name is not available to partial inference" ~]]
8421+ =/ prelude-entry=(unit ischeme) (ienv-lookup i.names.e values.u.prelude.state)
8422+ ?~ prelude-entry [%| ["name is not available to partial inference" ~]]
8423+ =/ inst=[typ=itype state=istate] (instantiate-scheme u.prelude-entry state)
8424+ [%& typ.inst state.inst]
5181 =/ instance=[typ=itype state=istate] (instantiate-scheme u.scheme state)
8425 =/ instance=[typ=itype state=istate] (instantiate-scheme u.scheme state)
5182 [%& typ.instance state.instance]
8426 [%& typ.instance state.instance]
5183 %group $(e inner.e)
8427 %group $(e inner.e)
8429+ ?~ edits.e [%| ["a change takes at least one field" ~[[at.e "empty change"]]]]
8430+ =/ target=iresult $(e [%wing at.e target.e])
8431+ ?: ?=(%| -.target) target
8432+ (infer-change-edits edits.e typ.p.target env state.p.target ~)
8433+ %ctor [%& [%tag next.state tag.e &] state(next +(next.state), tags [[next.state tag.e] tags.state])]
5185 =/ traced=iresult $(e val.e)
8435 =/ traced=iresult $(e val.e)
5186 ?: ?=(%| -.traced) traced
8436 ?: ?=(%| -.traced) traced
5187 $(e then.e, state state.p.traced)
8437 $(e then.e, state state.p.traced)
8439+ ?: &(?=(^ defer.state) ?=(^ prelude.state))
8440+ (dg-infer-tuple-items items.e env state)
5188− %tuple (infer-simple-items items.e env state)
8441+ (infer-simple-items items.e env state)
5190− ?^ defs.e [%| ["local definitions are not supported by partial inference" ~]]
8443+ ?~ defs.e $(e final.e)
5191− $(e final.e)
8444+ =/ local-names=(list term) (global-value-names defs.e)
8445+ ?. (local-names-valid defs.e env state)
8446+ [%| ["local definitions shadow a name" ~]]
8447+ =/ local-molds=imolds (collect-simple-molds defs.e)
8448+ ?. (local-mold-names-valid local-molds state)
8449+ [%| ["local molds shadow a name" ~]]
8450+ =/ local-state=istate
8451+ state(globals (weld local-names globals.state), molds (weld local-molds molds.state))
8452+ =/ mold-hole=(unit span) (simple-local-mold-hole defs.e)
8454+ [%| ["type hole needs a determined type" ~[[u.mold-hole "unresolved type hole"]]]]
8455+ ?. (local-molds-supported local-molds local-state)
8456+ [%| ["local molds need unsupported inference" ~]]
8457+ =/ values=(list def) (local-value-defs defs.e)
8458+ =/ locals=ilocal-result (infer-local-defs values env local-state)
8459+ ?: ?=(%| -.locals) locals
8460+ =/ result=iresult $(e final.e, env env.p.locals, state state.p.locals)
8461+ ?: ?=(%| -.result) result
8462+ [%& typ.p.result state.p.result(globals globals.state, molds molds.state)]
8464+ ?^ defer.state (dg-boolean-branch e env state)
5193 ?~ arms.e [%| ["branch is not supported by partial inference" ~]]
8465 ?~ arms.e [%| ["branch is not supported by partial inference" ~]]
8467+ =/ empty-list=(unit iresult) (empty-list-null-branch e env state ~)
8468+ ?^ empty-list u.empty-list
8469+ =/ empty-union=(unit iresult) (known-empty-union-wing subject.e env state)
8470+ ?^ empty-union (infer-known-union-branch-subject e env u.empty-union)
8471+ =/ single=(unit iresult) (grec-single-wing-subject subject.e env state)
8472+ ?^ single (infer-known-union-branch-subject e env u.single)
8473+ ?: (single-structured-pattern e) (infer-single-case-branch e env state ~)
5194− ?~ t.arms.e (infer-cell-branch e env state)
8474+ (infer-cell-branch e env state ~)
5195− ?^ t.t.arms.e [%| ["branch is not supported by partial inference" ~]]
8475+ ?^ t.t.arms.e (infer-known-union-branch e env state)
8476+ =/ known=(unit iresult) (known-union-subject subject.e env state)
8477+ ?: &(?=(^ known) ?=(%| -.u.known) !(duplicate-loobean-arms e)) u.known
8478+ ?: &(?=(^ known) ?=(%& -.u.known) ?=(~ (unit-union-payload (itype-normalize typ.p.u.known sub.state.p.u.known))))
8479+ (infer-known-union-branch-subject e env u.known)
5196 =/ x=arm i.arms.e
8480 =/ x=arm i.arms.e
5197 =/ y=arm i.t.arms.e
8481 =/ y=arm i.t.arms.e
5198− ?. ?=(%lit -.pat.x) [%| ["branch pattern is not supported by partial inference" ~]]
8482+ ?: |((unit-empty-pattern pat.x) (unit-empty-pattern pat.y))
5199− ?. ?=(%lit -.pat.y) [%| ["branch pattern is not supported by partial inference" ~]]
8483+ (infer-unit-branch e env state ~)
8484+ ?. ?=(%lit -.pat.x) (infer-known-union-branch e env state)
8485+ ?. ?=(%lit -.pat.y) (infer-known-union-branch e env state)
5200 ?. &(=(%loobean form.lit.pat.x) =(%loobean form.lit.pat.y))
8486 ?. &(=(%loobean form.lit.pat.x) =(%loobean form.lit.pat.y))
5201− [%| ["branch pattern is not supported by partial inference" ~]]
8487+ (infer-known-union-branch e env state)
8488+ ?: &(?=(^ known) ?=(%& -.u.known)) (infer-known-union-branch-subject e env u.known)
5202 ?: =(val.lit.pat.x val.lit.pat.y)
8489 ?: =(val.lit.pat.x val.lit.pat.y)
5203 [%| ["branch does not cover both loobeans" ~]]
8490 [%| ["branch does not cover both loobeans" ~]]
5204 =/ subject=iresult $(e subject.e)
8491 =/ subject=iresult $(e subject.e)
5205 ?: ?=(%| -.subject) subject
8492 ?: ?=(%| -.subject) subject
8493+ =/ subject-type=itype (itype-normalize typ.p.subject sub.state.p.subject)
8494+ ?: ?=(%union -.subject-type)
8495+ [%| ["union-pattern branch subject is not supported by partial inference" ~]]
5206 =/ su=(unit isub) (itype-unify typ.p.subject [%flag ~] sub.state.p.subject)
8496 =/ su=(unit isub) (itype-unify typ.p.subject [%flag ~] sub.state.p.subject)
5207 ?~ su [%| ["loobean branch subject does not unify with ?" ~]]
8497 ?~ su [%| ["loobean branch subject does not unify with ?" ~]]
5208 =/ left=iresult $(e val.x, state state.p.subject(sub u.su))
8498 =/ left=iresult $(e val.x, state state.p.subject(sub u.su))
@@ -5215,78 +8505,973 @@
5215 [%| ["branch widening is not supported by partial inference" ~]]
8505 [%| ["branch widening is not supported by partial inference" ~]]
5216 =/ joined=(unit isub) (itype-unify typ.p.left typ.p.right sub.state.p.right)
8506 =/ joined=(unit isub) (itype-unify typ.p.left typ.p.right sub.state.p.right)
5217 ?~ joined
8507 ?~ joined
8508+ ?: |((itype-has-recursive ltype) (itype-has-recursive rtype))
8509+ [%| ["recursive branch matching is not supported by partial inference" ~]]
8510+ ?: |((itype-has-tag ltype) (itype-has-tag rtype) (itype-has-union ltype) (itype-has-union rtype))
8511+ [%| ["branch tag or union context is not supported by partial inference" ~]]
5218 =/ common=(unit itype) (itype-concrete-join typ.p.left typ.p.right sub.state.p.right)
8512 =/ common=(unit itype) (itype-concrete-join typ.p.left typ.p.right sub.state.p.right)
5219 ?^ common [%& u.common state.p.right]
8513 ?^ common [%& u.common state.p.right]
8514+ ?: |((itype-has-face typ.p.left sub.state.p.right) (itype-has-face typ.p.right sub.state.p.right))
8515+ [%| ["record branch matching is not supported by partial inference" ~]]
5220 ?: |((itype-has-any-atom typ.p.left sub.state.p.right) (itype-has-any-atom typ.p.right sub.state.p.right) (itype-family-related typ.p.left typ.p.right sub.state.p.right))
8516 ?: |((itype-has-any-atom typ.p.left sub.state.p.right) (itype-has-any-atom typ.p.right sub.state.p.right) (itype-family-related typ.p.left typ.p.right sub.state.p.right))
5221 [%| ["branch widening is not supported by partial inference" ~]]
8517 [%| ["branch widening is not supported by partial inference" ~]]
5222 [%| ["branch arms have incompatible types" ~[[(span-of val.x) (site-type-note "first arm" typ.p.left sub.state.p.right)] [(span-of val.y) (site-type-note "second arm" typ.p.right sub.state.p.right)]]]]
8518 [%| ["branch arms have incompatible types" ~[[(span-of val.x) (site-type-note "first arm" typ.p.left sub.state.p.right)] [(span-of val.y) (site-type-note "second arm" typ.p.right sub.state.p.right)]]]]
5223 [%& typ.p.left state.p.right(sub u.joined)]
8519 [%& typ.p.left state.p.right(sub u.joined)]
5225 =/ target=(unit [typ=itype state=istate]) (infer-simple-shape shape.e state)
8521 =/ target=(unit [typ=itype state=istate]) (infer-simple-shape shape.e state)
8523+ =/ diag=(unit idiag) (nested-import-invalid shape.e state)
8524+ ?^ diag [%| u.diag]
5226− ?~ target [%| ["cast mold is not supported by partial inference" ~]]
8525+ [%| ["cast mold is not supported by partial inference" ~]]
5227− =/ value=iresult $(e val.e, state state.u.target)
8526+ =/ value=iresult
8527+ (infer-call-context-arg val.e typ.u.target env state.u.target at.shape.e)
5228 ?: ?=(%| -.value) value
8528 ?: ?=(%| -.value) value
8529+ =/ shape=(unit [source=iwfields target=iwfields])
8530+ (width-shape typ.p.value typ.u.target sub.state.p.value)
8531+ ?^ shape [%| ["record width constraint needs unsupported inference" ~]]
5229 =/ fit=ifit (itype-fit typ.p.value typ.u.target sub.state.p.value next.state.p.value)
8532 =/ fit=ifit (itype-fit typ.p.value typ.u.target sub.state.p.value next.state.p.value)
5230 ?: ?=(%unknown -.fit) [%| ["cast constraint is not supported by partial inference" ~]]
8533 ?: ?=(%unknown -.fit) [%| ["cast constraint is not supported by partial inference" ~]]
5231 ?: ?=(%bad -.fit)
8534 ?: ?=(%bad -.fit)
8535+ =/ missing=(unit idiag) (missing-union-tag val.e typ.u.target sub.state.p.value at.shape.e)
8536+ ?^ missing [%| u.missing]
8537+ =/ nested=(unit idiag) (nested-missing-tag val.e typ.p.value typ.u.target sub.state.p.value next.state.p.value at.shape.e)
8538+ ?^ nested [%| u.nested]
5232 [%| ["cast mold and expression type do not unify" ~[[at.shape.e (site-type-note "cast mold" typ.u.target sub.state.p.value)] [(span-of val.e) (site-type-note "expression" typ.p.value sub.state.p.value)]]]]
8539 [%| ["cast mold and expression type do not unify" ~[[at.shape.e (site-type-note "cast mold" typ.u.target sub.state.p.value)] [(span-of val.e) (site-type-note "expression" typ.p.value sub.state.p.value)]]]]
8540+ ?: &(?=(^ defer.state.p.value) !(dg-stable-fit typ.p.value typ.u.target sub.fit))
8541+ [%| ["deferred cast fit needs stable inference" ~]]
8542+ =/ merged=itype (itype-merge-faces typ.p.value typ.u.target sub.fit)
5233− [%& typ.u.target state.p.value(sub sub.fit, next next.fit)]
8543+ [%& merged state.p.value(sub sub.fit, next next.fit)]
5234 %crash [%& [%var next.state] state(next +(next.state))]
8544 %crash [%& [%var next.state] state(next +(next.state))]
5236 =/ sam=isample-result (infer-sample sample.e env state)
8546 =/ sam=isample-result (infer-sample sample.e env state)
8548+ =/ diag=(unit idiag) (sample-import-invalid sample.e env state)
8549+ ?: &(=(p.sam "sample mold is not supported by partial inference") ?=(^ diag)) [%| u.diag]
5237− ?: ?=(%| -.sam) [%| [p.sam ~]]
8550+ [%| [p.sam ~]]
5238 =/ body=iresult $(e body.e, env env.p.sam, state state.p.sam)
8551 =/ body=iresult $(e body.e, env env.p.sam, state state.p.sam)
5239 ?: ?=(%| -.body) body
8552 ?: ?=(%| -.body) body
5240 [%& [%fn typ.p.sam typ.p.body] state.p.body]
8553 [%& [%fn typ.p.sam typ.p.body] state.p.body]
5241 %gate-wide
8554 %gate-wide
5242 =/ sam=isample-result (infer-sample sample.e env state)
8555 =/ sam=isample-result (infer-sample sample.e env state)
8557+ =/ diag=(unit idiag) (sample-import-invalid sample.e env state)
8558+ ?: &(=(p.sam "sample mold is not supported by partial inference") ?=(^ diag)) [%| u.diag]
5243− ?: ?=(%| -.sam) [%| [p.sam ~]]
8559+ [%| [p.sam ~]]
5244 =/ body=iresult $(e body.e, env env.p.sam, state state.p.sam)
8560 =/ body=iresult $(e body.e, env env.p.sam, state state.p.sam)
5245 ?: ?=(%| -.body) body
8561 ?: ?=(%| -.body) body
5246 [%& [%fn typ.p.sam typ.p.body] state.p.body]
8562 [%& [%fn typ.p.sam typ.p.body] state.p.body]
5248 ?~ args.e [%| ["call has no argument" ~]]
8564 ?~ args.e [%| ["call has no argument" ~]]
5249− ?^ t.args.e [%| ["multiple arguments are not supported by partial inference" ~]]
8565+ ?: (explicit-proj-call e env state)
5250− =/ head=iresult $(e head.e)
8566+ [%| ["proj needs an expected record type" ~]]
5251− ?: ?=(%| -.head) head
8567+ (infer-call-with-head e env state (infer-fragment head.e env state))
5252− =/ arg=iresult $(e i.args.e, state state.p.head)
5253− ?: ?=(%| -.arg) arg
5254− =/ st=istate state.p.arg
5255− =/ ht=itype (itype-walk typ.p.head sub.st)
5257− =/ fit=ifit (itype-fit typ.p.arg sample.ht sub.st next.st)
5258− ?: ?=(%unknown -.fit) [%| ["call constraint is not supported by partial inference" ~]]
5260− [%| ["call's sample and argument types do not unify" ~[[(span-of head.e) (site-type-note "called gate" ht sub.st)] [(span-of i.args.e) (site-type-note "argument" typ.p.arg sub.st)]]]]
5261− [%& product.ht st(sub sub.fit, next next.fit)]
5262− =/ result=itype [%var next.st]
5263− =/ uni=(unit isub) (itype-unify ht [%fn typ.p.arg result] sub.st)
5265− [%| ["call's sample and argument types do not unify" ~[[(span-of head.e) (site-type-note "called gate" ht sub.st)] [(span-of i.args.e) (site-type-note "argument" typ.p.arg sub.st)]]]]
5266− [%& result st(next +(next.st), sub u.uni)]
5267 * [%| ["expression is not supported by partial inference" ~]]
8568 * [%| ["expression is not supported by partial inference" ~]]
5270−:: Unfaced tuple expressions are the one supported cell construction.
8571+:: Locate a definite failing argument after the complete sample fit has
5271−:: Faced cells wait for the representation to preserve record faces.
8572+:: failed. If an intermediate fit is uncertain, retain the whole argument
8573+:: span rather than assigning blame to a particular argument.
8575+:: Check a call using the head already inferred in this state. Keeping
8576+:: this shared avoids evaluating or instantiating a contextual head twice.
8577+++ width-has-projections
8578+ |= ps=(list iwprojection)
8583++$ iwidth-elaboration [original=expr typ=itype sub=isub projections=(list iwprojection)]
8584+++ infer-width-elaboration
8585+ |= [e=expr env=ienv state=istate]
8586+ ^- (each iwidth-elaboration idiag)
8587+ =/ out=iresult (infer-fragment e env state)
8588+ ?: ?=(%| -.out) [%| p.out]
8589+ [%& [e typ.p.out sub.state.p.out (flop projections.state.p.out)]]
8591+:: Source-bound gate-layout evidence, confined to checked root gate
8592+:: definitions and direct unshadowed prelude calls. The prepared prelude
8593+:: interface and its retained source are trusted as a matching artifact.
8594+:: Layouts identify sample binder faces; they do not change call arity or
8595+:: authorize stripping nested value faces. Unknown origins use ordinary fit.
8596+++ direct-written-gates
8597+ |= [ds=(list def) out=ivisited]
8600+ ?: ?=(%mold -.i.ds) $(ds t.ds)
8601+ ?. |(?=(%gate -.val.i.ds) ?=(%gate-wide -.val.i.ds)) $(ds t.ds)
8602+ $(ds t.ds, out (~(put by out) name.i.ds &))
8603+++ direct-may-use-prelude
8604+ |= [ds=(list def) root=ivisited heads=ivisited]
8607+ ?: ?=(%mold -.i.ds) $(ds t.ds)
8608+ =/ refs=(list term) (dependency-expr val.i.ds)
8609+ =/ has-root=? (lien refs |=(n=term ?=(^ (~(get by root) n))))
8610+ =/ has-head=? (lien refs |=(n=term ?=(^ (~(get by heads) n))))
8611+ ?: &(has-root has-head) &
8613+++ direct-unique-names
8614+ |= [names=(list term) seen=ivisited]
8617+ ?: ?=(^ (~(get by seen) i.names)) |
8618+ $(names t.names, seen (~(put by seen) i.names &))
8619+++ direct-prelude-evidence
8620+ |= [ds=(list def) prelude=(unit ifile)]
8621+ ^- (unit igate-prelude-evidence)
8623+ ?~ source.u.prelude ~
8624+ =/ root=ivisited (direct-written-gates ds ~)
8625+ =/ names=(list term) (turn values.u.prelude |=(e=[name=term scheme=ischeme] name.e))
8626+ =/ heads=ivisited (graph-nameset names ~)
8627+ ?. (direct-may-use-prelude ds root heads) ~
8628+ =/ parsed (parse at.u.prelude u.source.u.prelude)
8629+ ?: ?=(%| -.parsed) ~
8630+ ?^ (duplicate-defs defs.p.parsed) ~
8631+ ?. (direct-unique-names (global-value-names defs.p.parsed) ~) ~
8632+ =/ gates=(map term def) (direct-checked-gates defs.p.parsed values.u.prelude)
8634+++ direct-checked-gates
8635+ |= [ds=(list def) env=ienv]
8637+ =/ names=(list term) (turn env |=(e=[name=term scheme=ischeme] name.e))
8638+ =/ known=ivisited (graph-nameset names ~)
8639+ =/ out=(map term def) ~
8643+ ?: ?=(%mold -.d) $(ds t.ds)
8644+ ?. ?=(^ (~(get by known) name.d)) $(ds t.ds)
8645+ ?. |(?=(%gate -.val.d) ?=(%gate-wide -.val.d)) $(ds t.ds)
8646+ $(ds t.ds, out (~(put by out) name.d d))
8648+ |= [n=term ds=(list def)]
8651+ ?: &(?=(%value -.i.ds) =(n name.i.ds)) `i.ds
8653+++ direct-gate-sample
8656+ ?. ?=(%value -.d) ~
8658+ %gate `sample.val.d
8659+ %gate-wide `sample.val.d
8662+++ direct-sample-name
8671+++ direct-field-name
8680+ |= [typ=itype name=(unit term)]
8683+ ?. ?=(%face -.typ) ~
8684+ ?. =(name.typ u.name) ~
8687+ |= [a=itype b=itype sub=isub next=@ud]
8689+ ?: (itype-face-asym a b sub) [%unknown ~]
8690+ =/ forward=ifit (itype-fit a b sub next)
8691+ ?. ?=(%ok -.forward) [%unknown ~]
8692+ ?: (itype-face-asym a b sub.forward) [%unknown ~]
8693+ =/ reverse=ifit (itype-fit b a sub.forward next.forward)
8694+ ?. ?=(%ok -.reverse) [%unknown ~]
8696+++ direct-function-fit
8697+ |= [a=itype b=itype sam=sample sh=shape sub=isub next=@ud]
8699+ ?. &(?=(%fn -.a) ?=(%fn -.b) ?=(%cell -.sam) ?=(%fn -.sh)) [%unknown ~]
8700+ ?. ?=(%cell -.sample.sh) [%unknown ~]
8701+ =/ as=(list sample) items.sam
8702+ =/ bs=(list field) fields.sample.sh
8704+ ?~ t.as [%unknown ~]
8705+ ?^ t.t.as [%unknown ~]
8707+ ?~ t.bs [%unknown ~]
8708+ ?^ t.t.bs [%unknown ~]
8709+ ?. &(?=(%cell -.sample.a) ?=(%cell -.sample.b)) [%unknown ~]
8710+ =/ an=(unit term) (direct-sample-name i.as)
8711+ =/ bn=(unit term) (direct-field-name i.bs)
8712+ ?: &(?=(^ an) ?=(^ bn) !=(u.an u.bn)) [%unknown ~]
8713+ =/ x=(unit itype) (direct-slot-body hed.sample.a an)
8714+ =/ y=(unit itype) (direct-slot-body hed.sample.b bn)
8717+ =/ first=ifit (direct-invariant u.x u.y sub next)
8718+ ?. ?=(%ok -.first) [%unknown ~]
8719+ =. an (direct-sample-name i.t.as)
8720+ =. bn (direct-field-name i.t.bs)
8721+ ?: &(?=(^ an) ?=(^ bn) !=(u.an u.bn)) [%unknown ~]
8722+ =/ x2=(unit itype) (direct-slot-body tal.sample.a an)
8723+ =/ y2=(unit itype) (direct-slot-body tal.sample.b bn)
8726+ =/ second=ifit (direct-invariant u.x2 u.y2 sub.first next.first)
8727+ ?. ?=(%ok -.second) [%unknown ~]
8728+ (direct-invariant product.a product.b sub.second next.second)
8729+:: This is a tentative proof: its caller must require closed call samples
8730+:: and repeat every positional check under the stable final substitution.
8731+++ direct-positional-fit
8732+ |= [args=(list expr) slots=(list sample) actual=itype expected=itype env=ienv state=istate sub=isub next=@ud]
8734+ ?~ args [%unknown ~]
8735+ ?~ slots [%unknown ~]
8736+ =/ last=? ?=(~ t.args)
8737+ ?: !=(last ?=(~ t.slots)) [%unknown ~]
8738+ =/ split=(unit [left=itype right=itype])
8739+ ?: last `[actual expected]
8740+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) ~
8741+ `[hed.actual hed.expected]
8742+ ?~ split [%unknown ~]
8743+ =/ x=itype left.u.split
8744+ =/ y=itype right.u.split
8745+ =/ expected-name=(unit term) (direct-sample-name i.slots)
8746+ =/ expected-body=(unit itype) (direct-slot-body y expected-name)
8747+ ?~ expected-body [%unknown ~]
8748+ =. y u.expected-body
8749+ =/ fit=ifit (itype-fit x y sub next)
8750+ =/ accepted=? &(?=(%ok -.fit) !(itype-positional-slot-face-asym x y sub.fit))
8751+ =/ result=(unit ifit)
8753+ ?. &(?=(%face -.i.slots) ?=(%fn -.shape.i.slots)) ~
8754+ ?. ?=(%wing -.i.args) ~
8755+ ?. ?=([@ ~] names.i.args) ~
8756+ ?. (unique-value-name i.names.i.args globals.state) ~
8757+ =/ source=(unit def) (~(get by gate-defs.state) i.names.i.args)
8759+ =/ sample=(unit sample) (direct-gate-sample u.source)
8761+ =/ trial=ifit (direct-function-fit x y u.sample shape.i.slots sub next)
8762+ ?. ?=(%ok -.trial) ~
8764+ ?~ result [%unknown ~]
8767+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) [%unknown ~]
8768+ ?. ?=(%ok -.fit) [%unknown ~]
8769+ $(args t.args, slots t.slots, actual tal.actual, expected tal.expected, sub sub.fit, next next.fit)
8770+++ direct-any-gate-arg
8771+ |= [args=(list expr) defs=(map term def)]
8775+ ?. ?=(%wing -.i.args) |
8776+ ?. ?=([@ ~] names.i.args) |
8777+ ?=(^ (~(get by defs) i.names.i.args))
8780+++ direct-gate-call-fit
8781+ |= [e=expr actual=itype expected=itype env=ienv state=istate]
8786+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) ~
8787+ ?. ?=(%wing -.head.e) ~
8788+ ?. ?=([@ ~] names.head.e) ~
8789+ ?. ?=(~ (ienv-lookup i.names.head.e env)) ~
8790+ ?. (unique-value-name i.names.head.e globals.state) ~
8791+ ?. (direct-any-gate-arg args.e gate-defs.state) ~
8793+ ?~ source.u.prelude.state ~
8794+ ?~ head-evidence.state ~
8795+ ?. =(u.prelude.state iface.u.head-evidence.state) ~
8796+ ?. ?=(^ (ienv-lookup i.names.head.e values.u.prelude.state)) ~
8797+ =/ head=(unit def) (~(get by gates.u.head-evidence.state) i.names.head.e)
8799+ =/ sam=(unit sample) (direct-gate-sample u.head)
8801+ ?. ?=(%cell -.u.sam) ~
8802+ =/ fit=ifit (direct-positional-fit args.e items.u.sam actual expected env state sub.state next.state)
8804+ :: Enclosing inference may add constraints after this call. Only a
8805+ :: closed call-sample proof can remain stable under those later bindings.
8806+ =/ actual-final=itype (itype-normalize actual sub.fit)
8807+ =/ expected-final=itype (itype-normalize expected sub.fit)
8808+ ?^ (itype-vars actual-final) ~
8809+ ?^ (itype-vars expected-final) ~
8810+ ?: |((itype-has-tag actual-final) (itype-has-tag expected-final)) ~
8811+ :: A later argument may resolve a variable used by an earlier slot.
8812+ :: Recheck every fit and face against the completed substitution; no
8813+ :: additional binding or fresh variable is permitted in the second pass.
8814+ =/ verified=ifit (direct-positional-fit args.e items.u.sam actual expected env state sub.fit next.fit)
8815+ ?. ?=(%ok -.verified) ~
8816+ ?. &(=(sub.fit sub.verified) =(next.fit next.verified)) ~
8819+++ infer-call-with-head
8820+ |= [e=expr env=ienv state=istate head=iresult]
8823+ ?~ args.e [%| ["call has no argument" ~]]
8824+ ?: ?=(%| -.head) head
8825+ =/ head-type=itype (itype-walk typ.p.head sub.state.p.head)
8828+ ?: ?=(%fn -.head-type)
8829+ (infer-call-context-args args.e sample.head-type env state.p.head (span-of head.e))
8830+ (infer-simple-items (turn args.e |=(a=expr [(span-of a) ~ a])) env state.p.head)
8831+ ?: ?=(%fn -.head-type)
8832+ (infer-call-context-arg i.args.e sample.head-type env state.p.head (span-of head.e))
8833+ (infer-fragment i.args.e env state.p.head)
8834+ ?: ?=(%| -.arg) arg
8835+ =/ st=istate state.p.arg
8836+ =/ ht=itype (itype-walk typ.p.head sub.st)
8838+ =/ shape=(unit [source=iwfields target=iwfields])
8840+ (width-shape typ.p.arg sample.ht sub.st)
8841+ ?^ shape [%| ["record width constraint needs unsupported inference" ~]]
8843+ ?^ t.args.e (itype-fit-inner typ.p.arg sample.ht sub.st next.st & |)
8844+ (itype-fit typ.p.arg sample.ht sub.st next.st)
8845+ =/ direct=(unit ifit)
8847+ (direct-gate-call-fit e typ.p.arg sample.ht env st)
8848+ =. fit ?~(direct fit u.direct)
8849+ ?: ?=(%unknown -.fit)
8850+ ?~ defer.st [%| ["call constraint is not supported by partial inference" ~]]
8851+ =/ edge=(unit dgo) (dg-eligible-ctor e typ.p.head typ.p.arg sample.ht st)
8852+ ?~ edge [%| ["call constraint is not supported by partial inference" ~]]
8853+ ?: (gth (lent obligations.st) 63) [%| ["call constraint is not supported by partial inference" ~]]
8854+ [%& product.ht st(obligations [u.edge obligations.st])]
8858+ =/ missing=(unit idiag) (missing-union-tag i.args.e sample.ht sub.st (span-of head.e))
8859+ ?^ missing [%| u.missing]
8860+ =/ nested=(unit idiag) (nested-missing-tag i.args.e typ.p.arg sample.ht sub.st next.st (span-of head.e))
8861+ ?^ nested [%| u.nested]
8862+ [%| ["call's sample and argument types do not unify" ~[[(span-of head.e) (site-type-note "called gate" ht sub.st)] [(span-of i.args.e) (site-type-note "argument" typ.p.arg sub.st)]]]]
8863+ =/ bad=(unit [at=span typ=itype])
8864+ (call-error-site args.e typ.p.arg sample.ht sub.st next.st)
8866+ [beg:(span-of i.args.e) end:(span-of (rear args.e))]
8867+ =/ arg-at=span ?~(bad whole-args at.u.bad)
8868+ =/ arg-type=itype ?~(bad typ.p.arg typ.u.bad)
8869+ [%| ["call's sample and argument types do not unify" ~[[(span-of head.e) (site-type-note "called gate" ht sub.st)] [arg-at (site-type-note "argument" arg-type sub.st)]]]]
8870+ ?: &(?=(^ defer.st) !(dg-stable-call-fit typ.p.arg sample.ht product.ht sub.fit ?=(^ t.args.e)))
8871+ [%| ["deferred call fit needs stable inference" ~]]
8874+ ?^ t.args.e (itype-positional-face-asym args.e typ.p.arg sample.ht sub.fit)
8875+ (itype-face-asym typ.p.arg sample.ht sub.fit)
8876+ ?: &((itype-has-face typ.p.arg sub.fit) face-asym (itype-output-may-be-cell product.ht sub.fit))
8877+ [%| ["call result face propagation is not supported by partial inference" ~]]
8878+ [%& product.ht st(sub sub.fit, next next.fit)]
8879+ =/ result=itype [%var next.st]
8880+ =/ uni=(unit isub) (itype-unify ht [%fn typ.p.arg result] sub.st)
8882+ [%| ["call's sample and argument types do not unify" ~[[(span-of head.e) (site-type-note "called gate" ht sub.st)] [(span-of i.args.e) (site-type-note "argument" typ.p.arg sub.st)]]]]
8883+ [%& result st(next +(next.st), sub u.uni)]
8886+ |= [args=(list expr) actual=itype expected=itype sub=isub next=@ud]
8887+ ^- (unit [at=span typ=itype])
8889+ =/ original=[left=itype right=itype] [actual expected]
8890+ ?: |(?=(%var -.left.original) ?=(%avar -.left.original) ?=(%rvar -.left.original) |(?=(%nvar -.left.original) ?=(%rnvar -.left.original)) ?=(%var -.right.original) ?=(%avar -.right.original) ?=(%rvar -.right.original) |(?=(%nvar -.right.original) ?=(%rnvar -.right.original))) ~
8891+ =. actual (itype-walk actual sub)
8892+ =. expected (itype-walk expected sub)
8893+ ?: &(?=(%face -.expected) !?=(%face -.actual))
8894+ $(expected body.expected)
8896+ =/ fit=ifit (itype-fit actual expected sub next)
8897+ ?. ?=(%bad -.fit) ~
8898+ `[(span-of i.args) (itype-normalize actual sub)]
8899+ ?. &(?=(%cell -.actual) ?=(%cell -.expected)) ~
8900+ =/ first=ifit (itype-fit hed.actual hed.expected sub next)
8901+ ?: ?=(%bad -.first) `[(span-of i.args) (itype-normalize hed.actual sub)]
8902+ ?: ?=(%unknown -.first) ~
8903+ $(args t.args, actual tal.actual, expected tal.expected, sub sub.first, next next.first)
8905+:: Context can help a call argument or cast value while the final fit
8906+:: checks the complete right-nested type, including any written faces.
8908+:: Context can resolve the payload of a canonical prelude unit, but an
8909+:: unrelated union with a similar noun shape is not the same mold.
8910+++ infer-unit-context
8911+ |= [e=expr expected=itype env=ienv state=istate context=span]
8914+ ?> ?=(%union -.expected)
8915+ ?~ prelude.state (infer-fragment e env state)
8916+ =/ standard=(unit ischeme) (find-jibb-mold %unit u.prelude.state)
8917+ ?~ standard (infer-fragment e env state)
8918+ ?. (standard-unit-template u.standard at.u.prelude.state) (infer-fragment e env state)
8919+ ?. =(origin.expected `[at.u.prelude.state %unit]) (infer-fragment e env state)
8920+ ?~ args.expected (infer-fragment e env state)
8921+ ?^ t.args.expected (infer-fragment e env state)
8922+ =/ payload=itype i.args.expected
8923+ =/ canonical=(unit itype) (template-apply u.standard ~[payload])
8924+ ?~ canonical (infer-fragment e env state)
8925+ ?> ?=(%union -.u.canonical)
8926+ ?. =((itype-normalize expected(label ~) sub.state) (itype-normalize u.canonical(label ~) sub.state))
8927+ (infer-fragment e env state)
8928+ =/ value=iresult (infer-call-context-arg val.e payload env state context)
8929+ ?: ?=(%| -.value) value
8930+ =/ fit=ifit (itype-fit typ.p.value payload sub.state.p.value next.state.p.value)
8931+ ?: ?=(%unknown -.fit) [%| ["unit payload constraint is not supported by partial inference" ~]]
8933+ =/ missing=(unit idiag) (missing-union-tag val.e payload sub.state.p.value context)
8934+ ?^ missing [%| u.missing]
8935+ =/ nested=(unit idiag) (nested-missing-tag val.e typ.p.value payload sub.state.p.value next.state.p.value context)
8936+ ?^ nested [%| u.nested]
8937+ [%| ["unit payload does not fit its expected type" ~[[context (site-type-note "expected unit payload" payload sub.state.p.value)] [(span-of val.e) (site-type-note "payload" typ.p.value sub.state.p.value)]]]]
8938+ [%& expected state.p.value(sub sub.fit, next next.fit)]
8940+:: A known gate may receive an enclosing target before its argument is
8941+:: inferred when its result is open or a direct, matching named generic
8942+:: union. Opaque, recursive, tag-constrained and variable-bound union
8943+:: results keep the existing directional path.
8944+++ infer-contextual-call
8945+ |= [e=expr expected=itype env=ienv state=istate]
8948+ ?~ args.e [%| ["call has no argument" ~]]
8949+ =/ head=iresult (infer-fragment head.e env state)
8950+ ?: ?=(%| -.head) head
8951+ =/ ht=itype (itype-walk typ.p.head sub.state.p.head)
8952+ ?. ?=(%fn -.ht) (infer-call-with-head e env state head)
8953+ =/ result=itype (itype-walk product.ht sub.state.p.head)
8955+ ?: ?=(%var -.result) &
8956+ :: A direct known generic union may receive the same nominal result
8957+ :: context before its arguments are checked. Variable-bound origins,
8958+ :: pending tags, recursive identities and unknown atoms stay open.
8959+ ?. &(?=(%union -.product.ht) ?=(%union -.result) ?=(%union -.expected)) |
8961+ ?. =(origin.result origin.expected) |
8963+ ?. =((lent args.result) (lent args.expected)) |
8964+ ?: |((itype-has-tag (itype-normalize result sub.state.p.head)) (itype-has-tag (itype-normalize expected sub.state.p.head))) |
8965+ ?: |((itype-has-recursive (itype-normalize result sub.state.p.head)) (itype-has-recursive (itype-normalize expected sub.state.p.head))) |
8966+ ?: |((itype-has-any-atom result sub.state.p.head) (itype-has-any-atom expected sub.state.p.head)) |
8968+ ?. eligible (infer-call-with-head e env state head)
8969+ ?: |(?=(%var -.expected) ?=(%avar -.expected) ?=(%rvar -.expected) |(?=(%nvar -.expected) ?=(%rnvar -.expected)) (itype-has-tag (itype-normalize expected sub.state.p.head)))
8970+ (infer-call-with-head e env state head)
8971+ =/ sub=(unit isub) (itype-unify result expected sub.state.p.head)
8972+ ?~ sub (infer-call-with-head e env state head)
8973+ (infer-call-with-head e env state [%& typ.p.head state.p.head(sub u.sub)])
8975+:: An eligible fully faced literal receives context by name, in source order.
8976+++ width-literal-fields
8977+ |= [items=(list item) axis=@ud fuel=@ud]
8979+ =/ order=(list iwfield) ~
8980+ =/ index=(map term iwfield) *(map term iwfield)
8985+ =/ at-axis=@ud ?~(t.items axis (mul 2 axis))
8986+ =/ entry=iwfield [u.face.i.items at-axis [%noun ~]]
8987+ ?: ?=(^ (~(get by index) name.entry)) ~
8988+ =. index (~(put by index) name.entry entry)
8989+ =. order [entry order]
8990+ ?~ t.items `[(flop order) index]
8991+ $(items t.items, axis +((mul 2 axis)), fuel (dec fuel))
8992+++ width-infer-items
8993+ |= [items=(list item) expected=(map term iwfield) env=ienv state=istate context=span]
8995+ ?~ items [%| ["empty record is not supported" ~]]
8996+ ?~ face.i.items [%| ["record face needs unsupported inference" ~]]
8997+ =/ field=(unit iwfield) (~(get by expected) u.face.i.items)
8999+ ?~ field (infer-fragment val.i.items env state)
9000+ (infer-call-context-arg val.i.items typ.u.field env state context)
9001+ ?: ?=(%| -.head) head
9002+ =/ typ=itype [%face u.face.i.items typ.p.head]
9003+ ?~ t.items [%& typ state.p.head]
9004+ =/ tail=iresult $(items t.items, state state.p.head)
9005+ ?: ?=(%| -.tail) tail
9006+ [%& [%cell typ typ.p.tail] state.p.tail]
9007+++ width-infer-literal
9008+ |= [e=expr expected=itype env=ienv state=istate context=span]
9010+ ?. ?=(%tuple -.e) ~
9011+ ?. |(?=(%cell -.expected) ?=(%face -.expected)) ~
9012+ =/ source=(unit iwfields) (width-literal-fields items.e 1 4.096)
9013+ =/ target=(unit iwfields) (width-scan expected sub.state 1 4.096)
9016+ ?: (lth (lent order.u.source) (lent order.u.target)) ~
9017+ ?. (width-in-order order.u.source order.u.target)
9018+ `(infer-simple-items items.e env state)
9019+ `(width-infer-items items.e index.u.target env state context)
9021+:: Experimental intrinsic recognition; real bindings retain normal calls.
9022+++ explicit-proj-call
9023+ |= [e=expr env=ienv state=istate]
9026+ ?. ?=([* ~] args.e) |
9027+ ?. ?=(%wing -.head.e) |
9028+ ?. =(names.head.e ~[%proj]) |
9029+ ?: ?=(^ (ienv-lookup %proj env)) |
9030+ ?: (lien globals.state |=(n=term =(n %proj))) |
9032+ ?:(?=(^ (ienv-lookup %proj values.u.prelude.state)) | &)
9033+++ infer-proj-source
9034+ |= [e=expr expected=itype env=ienv state=istate context=span]
9036+ ?: ?=(%group -.e) $(e inner.e)
9037+ =/ literal=(unit iresult) (width-infer-literal e expected env state context)
9038+ ?^ literal u.literal
9039+ (infer-fragment e env state)
9040+++ infer-proj-context
9041+ |= [e=expr expected=itype env=ienv state=istate context=span]
9044+ ?~ args.e [%| ["proj needs one record" ~]]
9045+ ?. |(?=(%cell -.expected) ?=(%face -.expected)) [%| ["proj needs an expected record type" ~]]
9046+ =/ value=iresult (infer-proj-source i.args.e expected env state context)
9047+ ?: ?=(%| -.value) value
9048+ =/ shape=(unit [source=iwfields target=iwfields])
9049+ (width-proj-shape typ.p.value expected sub.state.p.value)
9050+ ?~ shape [%| ["proj needs a known record containing its expected fields" ~]]
9051+ =/ project=(unit iwidth-result) (width-project u.shape sub.state.p.value next.state.p.value)
9052+ ?~ project [%| ["proj constraint needs unsupported inference" ~]]
9053+ =/ st=istate state.p.value(sub sub.u.project, next next.u.project)
9054+ [%& expected st(projections [[at.e e typ.p.value expected steps.u.project] projections.st])]
9056+:: A known literal singleton in a direct union can contextualize a
9057+:: loobean literal of the same noun. Only explicit singleton and cell
9058+:: competitors are considered; opaque or variable cases stay unknown.
9059+++ explicit-singleton-in-union
9060+ |= [t=itype noun=@]
9062+ ?. ?=(%union -.t) |
9063+ =/ cases=(list itype) cases.t
9068+ ?: ?=(%cell -.c) $(cases t.cases)
9069+ ?. ?=(%const -.c) |
9070+ ?: =(noun val.literal.c)
9072+ $(cases t.cases, found &)
9075+:: Select a written literal-headed case only when every competing case is
9076+:: also an explicit singleton-headed cell and exactly one matches. Opaque,
9077+:: variable-bound and differently shaped cases keep inference unchanged.
9078+:: This first slice supplies context to a directly called payload. Plain
9079+:: literal data and other expressions retain their existing inference path.
9080+++ contextual-atomic-arguments
9081+ |= args=(list expr)
9084+ ?. ?=(?(%lit %wing %ctor) -.i.args) |
9086+++ contextual-direct-payload-call
9089+ ?: ?=(%group -.e) $(e inner.e)
9091+ ?. ?=(%wing -.head.e) |
9093+ (contextual-atomic-arguments args.e)
9095+:: A walked variable may have concealed a union inside a substituted
9096+:: structure before this arm was called. Decline in that case rather than
9097+:: deriving provenance from the already-walked type.
9098+++ contextual-simple-sub
9102+ ?: ?=(?(%cell %face %fn %union %collection) -.val.i.sub) |
9105+:: Check the syntactic root before scanning; scan substitutions once.
9106+++ grec-direct-context
9107+ |= [expected=itype sub=isub]
9111+ ?: ?=(%face -.expected)
9113+ $(expected body.expected, left (dec left))
9114+ ?. ?=(%grec -.expected) |
9117+ ?: ?=(?(%cell %face %fn %union %collection %grec) -.val.i.sub) |
9118+ $(sub t.sub, left (dec left))
9119+++ contextual-direct-union
9122+ ?: ?=(%face -.target) $(target body.target)
9123+ ?=(%union -.target)
9124+++ contextual-tagged-case
9125+ |= [target=itype tag=@ sub=isub]
9127+ ?. ?=(%union -.target) ~
9128+ =/ remaining=(list itype) cases.target
9129+ =/ found=(unit itype) ~
9130+ =/ seen=(set @) *(set @)
9133+ =/ c=itype i.remaining
9135+ =/ head=itype hed.c
9136+ ?. ?=(%const -.head) ~
9137+ ?: (~(has in:..zuse seen) val.literal.head) ~
9138+ =. seen (~(put in:..zuse seen) val.literal.head)
9139+ ?: =(tag val.literal.head)
9140+ $(remaining t.remaining, found `c)
9141+ $(remaining t.remaining)
9143+:: A bounded syntactic screen: no nested branch, cast, gate or local body
9144+:: can re-enter cell-branch retry during either inference attempt.
9145+++ closed-cell-retry-safe
9146+ |= [todo=(list expr) fuel=@ud]
9153+ %lit $(todo t.todo)
9154+ %wing $(todo t.todo)
9155+ %ctor $(todo t.todo)
9156+ %path $(todo t.todo)
9157+ %crash $(todo t.todo)
9159+ ?. (levy pieces.e |=(p=piece ?=(%text -.p))) |
9161+ %group $(todo [inner.e t.todo])
9162+ %pair $(todo [val.e t.todo])
9163+ %unit $(todo [val.e t.todo])
9164+ %list $(todo (weld items.e t.todo))
9165+ %tuple $(todo (weld (turn items.e |=(i=item val.i)) t.todo))
9166+ %change $(todo (weld (turn edits.e |=(ed=edit val.ed)) t.todo))
9167+ %call $(todo [head.e (weld args.e t.todo)])
9168+ %trace $(todo [val.e then.e t.todo])
9171+++ closed-cell-sub-safe
9172+ |= [sub=isub fuel=@ud]
9176+ ?: ?=(?(%cell %face %fn %union %collection %grec %jrec %recursive) -.val.i.sub) |
9177+ $(sub t.sub, fuel (dec fuel))
9179+++ closed-cell-branch-eligible
9180+ |= [e=expr expected=itype sub=isub]
9182+ ?. &(?=(%branch -.e) ?=(%cell -.expected) (closed-cell-sub-safe sub 512)) |
9187+ =/ y=arm i.t.arms.e
9188+ ?. &(?=(%lit -.pat.x) ?=(%lit -.pat.y)) |
9189+ ?. &(=(%loobean form.lit.pat.x) =(%loobean form.lit.pat.y)) |
9190+ ?: =(val.lit.pat.x val.lit.pat.y) |
9191+ (closed-cell-retry-safe ~[subject.e val.x val.y] 512)
9193+:: Attempt ordinary inference first; retry from the same state only for
9194+:: the bounded non-reentrant syntax above. Preserve original value faces.
9195+++ infer-closed-cell-branch
9196+ |= [e=expr expected=itype env=ienv state=istate context=span]
9198+ ?> (closed-cell-branch-eligible e expected sub.state)
9202+ =/ ordinary=iresult (infer-fragment e env state)
9204+ ?: ?=(%| -.ordinary) |
9205+ =/ fit=ifit (itype-fit typ.p.ordinary expected sub.state.p.ordinary next.state.p.ordinary)
9207+ ?: ordinary-good ordinary
9208+ =/ attempt=(unit iresult)
9210+ =/ y=arm i.t.arms.e
9211+ =/ subject=iresult (infer-fragment subject.e env state)
9212+ ?: ?=(%| -.subject) ~
9213+ =/ subject-type=itype (itype-normalize typ.p.subject sub.state.p.subject)
9214+ ?: ?=(%union -.subject-type) ~
9215+ =/ su=(unit isub) (itype-unify typ.p.subject [%flag ~] sub.state.p.subject)
9217+ =/ left=iresult (infer-call-context-arg val.x expected env state.p.subject(sub u.su) context)
9219+ =/ lf=ifit (itype-fit typ.p.left expected sub.state.p.left next.state.p.left)
9221+ =/ right=iresult (infer-call-context-arg val.y expected env state.p.left(sub sub.lf, next next.lf) context)
9222+ ?: ?=(%| -.right) ~
9223+ =/ rf=ifit (itype-fit typ.p.right expected sub.state.p.right next.state.p.right)
9226+ =/ next=@ud next.rf
9227+ =/ lt=itype (itype-normalize typ.p.left sub)
9228+ =/ rt=itype (itype-normalize typ.p.right sub)
9229+ =/ et=itype (itype-normalize expected sub)
9231+ ?: |(?=(^ (itype-vars lt)) ?=(^ (itype-vars rt)) ?=(^ (itype-vars et))) ~
9232+ ?: |((itype-has-tag lt) (itype-has-tag rt) (itype-has-tag et)) ~
9233+ =/ lcheck=ifit (itype-fit typ.p.left expected sub next)
9234+ ?. ?=(%ok -.lcheck) ~
9235+ ?. &(=(sub.lcheck sub) =(next.lcheck next)) ~
9236+ =/ rcheck=ifit (itype-fit typ.p.right expected sub next)
9237+ ?. ?=(%ok -.rcheck) ~
9238+ ?. &(=(sub.rcheck sub) =(next.rcheck next)) ~
9239+ `[%& typ.p.left state.p.right(sub sub, next next)]
9240+ ?~ attempt ordinary
9243+++ infer-call-context-arg
9244+ |= [e=expr expected=itype env=ienv state=istate context=span]
9246+ ?: &(?=(^ defer.state) ?=(%branch -.e)) (infer-fragment e env state)
9247+ ?: &(?=(^ defer.state) ?=(^ prelude.state) ?=(%tuple -.e))
9248+ (infer-fragment e env state)
9249+ ?: ?=(%pair -.e) $(e (pair-as-cell e))
9250+ ?: ?=(%group -.e) $(e inner.e)
9251+ ?: &(?=(%body -.e) ?=(~ defs.e)) $(e final.e)
9253+ =/ traced=iresult (infer-fragment val.e env state)
9254+ ?: ?=(%| -.traced) traced
9255+ $(e then.e, state state.p.traced)
9256+ =/ target=itype (itype-walk expected sub.state)
9258+ ?: ?=(%face -.target) $(target (itype-walk body.target sub.state))
9259+ ?: (explicit-proj-call e env state)
9260+ (infer-proj-context e expected env state context)
9261+ :: Experimental construction only for a source-proven direct target.
9262+ :: Decline any walked structural binding to retain raw-variable provenance.
9263+ ?: &(?=(%grec -.target) ?=(%tuple -.e) (grec-direct-context expected sub.state))
9264+ =/ unfolded=(unit [view=itype left=@ud]) (grec-unfold-view target jrec-fuel.state)
9265+ ?~ unfolded [%| ["recursive mold unfolding needs unsupported inference" ~]]
9266+ ?~ items.e [%| ["recursive mold constructor needs unsupported inference" ~]]
9267+ =/ first=item i.items.e
9268+ ?. &(?=(~ face.first) ?=(%lit -.val.first) =(%term form.lit.val.first))
9269+ [%| ["recursive mold constructor needs unsupported inference" ~]]
9270+ =/ chosen=(unit itype) (contextual-tagged-case view.u.unfolded val.lit.val.first sub.state)
9271+ ?~ chosen [%| ["recursive mold constructor has no matching case" ~]]
9272+ =/ value=iresult (infer-call-context-items items.e u.chosen env state(jrec-fuel left.u.unfolded) context)
9273+ ?: ?=(%| -.value) value
9274+ =/ fit=ifit (itype-fit typ.p.value u.chosen sub.state.p.value next.state.p.value)
9275+ ?: ?=(%unknown -.fit) [%| ["recursive mold case needs unsupported inference" ~]]
9276+ ?: ?=(%bad -.fit) [%| ["recursive mold case does not fit its source shape" ~]]
9277+ [%& target state.p.value(sub sub.fit, next next.fit)]
9278+ :: Only the source-proven one-layer cell is exposed. Each recursive
9279+ :: descent consumes one written tuple; named values use ordinary fit.
9280+ ?: &(?=(%jrec -.target) ?=(%lit -.e) =(%null form.lit.e))
9281+ ?: =(0 jrec-fuel.state) [%| ["recursive mold unfolding needs unsupported inference" ~]]
9282+ [%& target state(jrec-fuel (dec jrec-fuel.state))]
9283+ ?: &(?=(%jrec -.target) ?=(%tuple -.e))
9284+ ?: =(0 jrec-fuel.state) [%| ["recursive mold unfolding needs unsupported inference" ~]]
9285+ =. state state(jrec-fuel (dec jrec-fuel.state))
9287+ [%cell [%face head.target [%atom aura.target]] [%face tail.target target]]
9288+ =/ value=iresult (infer-call-context-items items.e shape env state context)
9289+ ?: ?=(%| -.value) value
9290+ =/ fit=ifit (itype-fit typ.p.value shape sub.state.p.value next.state.p.value)
9291+ ?: ?=(%unknown -.fit) [%| ["recursive mold cell constraint needs unsupported inference" ~]]
9292+ ?: ?=(%bad -.fit) [%| ["recursive mold cell does not fit its source shape" ~]]
9293+ [%& target state.p.value(sub sub.fit, next next.fit)]
9294+ ?: ?=(%call -.e) (infer-contextual-call e target env state)
9295+ =/ empty-list=(unit iresult) (empty-list-null-branch e env state `[target context])
9296+ ?^ empty-list u.empty-list
9297+ ?: (single-structured-pattern e)
9299+ =/ empty-union=(unit iresult) (known-empty-union-wing subject.e env state)
9300+ ?^ empty-union (infer-known-union-context-subject e target env u.empty-union context)
9301+ =/ single=(unit iresult) (grec-single-wing-subject subject.e env state)
9302+ ?^ single (infer-known-union-context-subject e target env u.single context)
9303+ (infer-single-case-branch e env state `[target context])
9304+ ?: (cell-binder-pattern e)
9305+ (infer-cell-branch e env state `[target context])
9306+ :: In an explicit singleton context retain the written loobean noun;
9307+ :: the ordinary singleton fit compares its noun, not its spelling.
9308+ =/ singleton=(unit itype)
9310+ ?. =(%loobean form.lit.e) ~
9311+ ?. |(?=(%const -.target) &(?=(%union -.expected) (explicit-singleton-in-union expected val.lit.e))) ~
9313+ ?^ singleton [%& u.singleton state]
9314+ =/ known=(unit iresult)
9315+ ?: ?=(%branch -.e) (known-union-subject subject.e env state)
9317+ ?: &(?=(^ known) ?=(%| -.u.known) !(duplicate-loobean-arms e)) u.known
9318+ ?: &(?=(^ known) ?=(%& -.u.known) ?=(~ (unit-union-payload (itype-normalize typ.p.u.known sub.state.p.u.known))))
9319+ (infer-known-union-context-subject e target env u.known context)
9320+ ?: &(?=(%union -.target) ?=(%unit -.e))
9321+ (infer-unit-context e target env state context)
9322+ ?: (closed-cell-branch-eligible e expected sub.state)
9323+ (infer-closed-cell-branch e expected env state context)
9324+ ?: &(?=(%flag -.target) (context-union-branch e))
9325+ (infer-union-context e target env state context)
9326+ ?: &(?=(%union -.target) (context-union-branch e))
9327+ (infer-union-context e target env state context)
9328+ ?: &(?=(%collection -.target) =(%list name.target) (context-union-branch e))
9329+ (infer-union-context e target env state context)
9330+ ?: &(?=(%collection -.target) =(%list name.target) (context-list-expression e))
9331+ (infer-list-context e target env state context)
9332+ :: A literal-headed tuple can receive the unique case's payload
9333+ :: context. The ordinary final fit still checks the complete union.
9334+ =/ selected=(unit itype)
9335+ ?. &((contextual-simple-sub sub.state) (contextual-direct-union expected) ?=(%union -.target) ?=(%tuple -.e) ?=(^ items.e)) ~
9338+ ?. (contextual-direct-payload-call val.i.t.items.e) ~
9339+ =/ first=item i.items.e
9340+ ?. &(?=(~ face.first) ?=(%lit -.val.first) |(=(%term form.lit.val.first) =(%null form.lit.val.first) =(%loobean form.lit.val.first))) ~
9341+ (contextual-tagged-case target val.lit.val.first sub.state)
9344+ :: On this bounded shallow-call shape, preserve any inference that
9345+ :: already fits before trying the new contextual path. Neither pass
9346+ :: can recursively select a nested tuple from the atomic arguments.
9347+ =/ ordinary=(unit iresult)
9348+ =/ initial=iresult (infer-fragment e env state)
9349+ ?: ?=(%| -.initial) ~
9350+ =/ fit=ifit (itype-fit typ.p.initial target sub.state.p.initial next.state.p.initial)
9353+ ?^ ordinary u.ordinary
9354+ =/ value=iresult (infer-call-context-items items.e u.selected env state context)
9355+ ?: ?=(%| -.value) value
9356+ =/ fit=ifit (itype-fit typ.p.value u.selected sub.state.p.value next.state.p.value)
9357+ ?: ?=(%unknown -.fit) [%| ["tagged case needs unsupported inference" ~]]
9358+ ?: ?=(%bad -.fit) [%| ["tagged case does not fit its expected type" ~[[context "expected union case"] [(span-of e) "value"]]]]
9359+ [%& typ.p.value state.p.value(sub sub.fit, next next.fit)]
9360+ ?: &(?=(%cell -.target) ?=(%tuple -.e))
9361+ (infer-call-context-items items.e target env state context)
9362+ (infer-fragment e env state)
9364+:: Preserve each written face; the final complete sample fit checks faces.
9365+:: A tuple or positional field face belongs to the enclosing sample,
9366+:: not to the expression at that position. A second face, if present,
9367+:: is part of the value's own expected type.
9368+++ projection-field-target
9371+ ?:(?=(%face -.expected) body.expected expected)
9373+++ infer-call-context-items
9374+ |= [items=(list item) expected=itype env=ienv state=istate context=span]
9376+ ?~ items [%| ["empty cell is not supported by partial inference" ~]]
9378+ =/ last=iresult (infer-call-context-arg val.i.items (projection-field-target expected) env state context)
9379+ ?: ?=(%| -.last) last
9380+ =/ typ=itype typ.p.last
9381+ =. typ ?~(face.i.items typ [%face u.face.i.items typ])
9382+ [%& typ state.p.last]
9383+ =/ target=itype (itype-walk expected sub.state)
9385+ ?: ?=(%face -.target) $(target (itype-walk body.target sub.state))
9386+ ?. ?=(%cell -.target) (infer-simple-items items env state)
9387+ =/ head=iresult (infer-call-context-arg val.i.items (projection-field-target hed.target) env state context)
9388+ ?: ?=(%| -.head) head
9389+ =/ typ=itype typ.p.head
9390+ =. typ ?~(face.i.items typ [%face u.face.i.items typ])
9391+ =/ tail=iresult (infer-call-context-items t.items tal.target env state.p.head context)
9392+ ?: ?=(%| -.tail) tail
9393+ [%& [%cell typ typ.p.tail] state.p.tail]
9395+++ infer-call-context-args
9396+ |= [args=(list expr) expected=itype env=ienv state=istate context=span]
9398+ ?~ args [%| ["call has no argument" ~]]
9399+ ?~ t.args (infer-call-context-arg i.args (projection-field-target expected) env state context)
9400+ =/ target=itype (itype-walk expected sub.state)
9402+ ?: ?=(%face -.target) $(target (itype-walk body.target sub.state))
9403+ ?. ?=(%cell -.target)
9404+ (infer-simple-items (turn args |=(a=expr [(span-of a) ~ a])) env state)
9405+ =/ head=iresult (infer-call-context-arg i.args (projection-field-target hed.target) env state context)
9406+ ?: ?=(%| -.head) head
9407+ =/ tail=iresult (infer-call-context-args t.args tal.target env state.p.head context)
9408+ ?: ?=(%| -.tail) tail
9409+ [%& [%cell typ.p.head typ.p.tail] state.p.tail]
9411+:: Tuple and record expressions preserve their explicitly written faces.
5273++ infer-simple-items
9413++ infer-simple-items
5274 |= [items=(list item) env=ienv state=istate]
9414 |= [items=(list item) env=ienv state=istate]
5275 ^- iresult
9415 ^- iresult
5276 ?~ items [%| ["empty cell is not supported by partial inference" ~]]
9416 ?~ items [%| ["empty cell is not supported by partial inference" ~]]
5277− ?^ face.i.items [%| ["record faces are not supported by partial inference" ~]]
5278 =/ head=iresult (infer-fragment val.i.items env state)
9417 =/ head=iresult (infer-fragment val.i.items env state)
5279 ?: ?=(%| -.head) head
9418 ?: ?=(%| -.head) head
9419+ =/ ht=itype typ.p.head
9420+ =. ht ?~(face.i.items ht [%face u.face.i.items ht])
5280− ?~ t.items head
9421+ ?~ t.items [%& ht state.p.head]
5281 =/ tail=iresult $(items t.items, state state.p.head)
9422 =/ tail=iresult $(items t.items, state state.p.head)
5282 ?: ?=(%| -.tail) tail
9423 ?: ?=(%| -.tail) tail
5283− [%& [%cell typ.p.head typ.p.tail] state.p.tail]
9424+ [%& [%cell ht typ.p.tail] state.p.tail]
9426+:: A single all-binder cell pattern covers a known cell spine; the final
9427+:: binder captures the remaining noun. Other pattern matrices stay partial.
9429+:: Validate binders before reading the subject, preserving shadow-error
9430+:: precedence. The last binder receives the entire remaining tail.
9431+++ cell-pattern-names
9432+ |= [pats=(list pattern) env=ienv globals=(list term) seen=(list term)]
9433+ ^- (each (list term) @t)
9435+ ?. ?=(%bind -.i.pats) [%| 'branch pattern is not supported by partial inference']
9436+ =/ name=term name.i.pats
9437+ ?: |(=(name %proj) ?=(^ (ienv-lookup name env)) (lien globals |=(n=term =(n name))) (lien seen |=(n=term =(n name))))
9438+ [%| 'pattern shadows a name']
9439+ =/ rest=(each (list term) @t) $(pats t.pats, seen [name seen])
9440+ ?: ?=(%| -.rest) rest
9443+++ cell-pattern-types
9444+ |= [names=(list term) env=ienv next=@ud]
9445+ ^- [typ=itype env=ienv next=@ud]
9447+ =/ head=itype [%var next]
9448+ =/ scope=ienv [[i.names [head ~]] env]
9449+ ?~ t.names [head scope +(next)]
9450+ =/ tail=[typ=itype env=ienv next=@ud] $(names t.names, env scope, next +(next))
9451+ [[%cell head typ.tail] env.tail next.tail]
9453+:: At every position that must be a cell, opaque or sum types may still
9454+:: contain cells. Do not report a definite mismatch without unfolding them.
9455+++ cell-pattern-spine-unknown
9456+ |= [typ=itype names=(list term) sub=isub]
9460+ =. typ (itype-walk typ sub)
9461+ ?: ?=(%cell -.typ) $(typ tal.typ, names t.names)
9462+ |(?=(%union -.typ) ?=(%collection -.typ) ?=(%recursive -.typ) ?=(%jrec -.typ) ?=(%grec -.typ) ?=(%noun -.typ) ?=(%fn -.typ) ?=(%tag -.typ))
5285−:: A single two-binder cell pattern covers every value of a cell type.
9464+++ cell-binder-pattern
5286−:: No other pattern matrix is implemented here.
9465+ |= e=expr
9467+ ?. ?=(%branch -.e) |
9470+ ?. ?=(%cell -.pat.i.arms.e) |
9471+ !(single-structured-pattern e)
5288++ infer-cell-branch
9473++ infer-cell-branch
5289− |= [e=expr env=ienv state=istate]
9474+ |= [e=expr env=ienv state=istate expected=(unit [typ=itype context=span])]
5290 ^- iresult
9475 ^- iresult
5291 ?> ?=(%branch -.e)
9476 ?> ?=(%branch -.e)
5292 ?~ arms.e [%| ["branch is not supported by partial inference" ~]]
9477 ?~ arms.e [%| ["branch is not supported by partial inference" ~]]
@@ -5295,21 +9480,31 @@
5295 =/ pats=(list pattern) items.pat.arm
9480 =/ pats=(list pattern) items.pat.arm
5296 ?~ pats [%| ["branch pattern is not supported by partial inference" ~]]
9481 ?~ pats [%| ["branch pattern is not supported by partial inference" ~]]
5297 ?~ t.pats [%| ["branch pattern is not supported by partial inference" ~]]
9482 ?~ t.pats [%| ["branch pattern is not supported by partial inference" ~]]
5298− ?^ t.t.pats [%| ["branch pattern is not supported by partial inference" ~]]
9483+ =/ names=(each (list term) @t) (cell-pattern-names pats env globals.state ~)
5299− ?. ?=(%bind -.i.pats) [%| ["branch pattern is not supported by partial inference" ~]]
9484+ ?: ?=(%| -.names) [%| [(trip p.names) ~]]
5300− ?. ?=(%bind -.i.t.pats) [%| ["branch pattern is not supported by partial inference" ~]]
5301− =/ one=term name.i.pats
5302− =/ two=term name.i.t.pats
5303− ?: |(=(one two) ?=(^ (ienv-lookup one env)) ?=(^ (ienv-lookup two env)) (lien globals.state |=(x=term |(=(x one) =(x two)))))
5304− [%| ["pattern shadows a name" ~]]
5305 =/ subject=iresult (infer-fragment subject.e env state)
9485 =/ subject=iresult (infer-fragment subject.e env state)
5306 ?: ?=(%| -.subject) subject
9486 ?: ?=(%| -.subject) subject
5307 =/ st=istate state.p.subject
9487 =/ st=istate state.p.subject
5308− =/ head=itype [%var next.st]
9488+ =/ subject-type=itype (itype-normalize typ.p.subject sub.st)
5309− =/ tail=itype [%var +(next.st)]
9489+ ?: (itype-has-recursive subject-type)
9490+ [%| ["recursive pattern is not supported by partial inference" ~]]
9491+ ?: (itype-has-face typ.p.subject sub.st)
9492+ [%| ["record patterns are not supported by partial inference" ~]]
9493+ ?: (cell-pattern-spine-unknown subject-type p.names sub.st)
9494+ [%| ["cell pattern subject is not supported by partial inference" ~]]
9495+ =/ binders=[typ=itype env=ienv next=@ud] (cell-pattern-types p.names env next.st)
5310− =/ sub=(unit isub) (itype-unify typ.p.subject [%cell head tail] sub.st)
9496+ =/ sub=(unit isub) (itype-unify typ.p.subject typ.binders sub.st)
5311 ?~ sub [%| ["cell pattern does not match the subject type" ~]]
9497 ?~ sub [%| ["cell pattern does not match the subject type" ~]]
5312− (infer-fragment val.arm [[one [head ~]] [two [tail ~]] env] st(next (add 2 next.st), sub u.sub))
9498+ =. st st(next next.binders, sub u.sub)
9499+ ?~ expected (infer-fragment val.arm env.binders st)
9500+ =/ body=iresult (infer-call-context-arg val.arm typ.u.expected env.binders st context.u.expected)
9501+ ?: ?=(%| -.body) body
9502+ =/ fit=ifit (itype-fit typ.p.body typ.u.expected sub.state.p.body next.state.p.body)
9503+ ?: ?=(%unknown -.fit) [%| ["cell branch result constraint is not supported by partial inference" ~]]
9504+ ?: ?=(%bad -.fit) [%| ["cell branch arm does not fit its expected type" ~[[context.u.expected "expected type"] [(span-of val.arm) "branch arm"]]]]
9505+ ?: (itype-has-tag (itype-normalize typ.u.expected sub.fit))
9506+ [%| ["cell branch result needs context in partial inference" ~]]
9507+ [%& typ.u.expected state.p.body(sub sub.fit, next next.fit)]
5314++ show-itype
9509++ show-itype
5315 |= [t=itype sub=isub]
9510 |= [t=itype sub=isub]
@@ -5322,16 +9517,56 @@
5323 ?: (lth id.t 26) [(add 65 id.t) ~]
9518 ?: (lth id.t 26) [(add 65 id.t) ~]
5324 "T{<id.t>}"
9519 "T{<id.t>}"
9521+ ?: (lth id.t 26) [(add 65 id.t) ~]
5326 ?: (lth id.t 26) [(add 65 id.t) ~]
9524 ?: (lth id.t 26) [(add 65 id.t) ~]
5327 "T{<id.t>}"
9525 "T{<id.t>}"
9527+ ?: (lth id.t 26) [(add 65 id.t) ~]
5328 %atom "@{(trip aura.t)}"
9529 %atom "@{(trip aura.t)}"
5329 %any-atom "@"
9530 %any-atom "@"
5330 %flag "?"
9531 %flag "?"
9534+ %tag (trip txt.literal.t)
9535+ %const (trip txt.literal.t)
9537+ ?~ label.t (show-itype-cases cases.t sub)
9538+ ?~ args.t (trip u.label.t)
9539+ "({(trip u.label.t)} {(show-itype-cases args.t sub)})"
9540+ %recursive ?~(label.t "recursive mold" (trip u.label.t))
9541+ %jrec ?~(label.t "recursive mold" (trip u.label.t))
9542+ %grec ?~(label.t "recursive mold" "({(trip u.label.t)} {(show-itype-cases args.t sub)})")
9543+ %collection "({(trip name.t)} {(show-itype-cases args.t sub)})"
9544+ %face "[{(trip name.t)}={(show-itype-context body.t sub)}]"
5331− %fn "$-({$(t sample.t)} {$(t product.t)})"
9545+ %fn "$-({(show-itype-context sample.t sub)} {(show-itype-context product.t sub)})"
5332− %cell "[{$(t hed.t)} {$(t tal.t)}]"
9546+ %cell "[{(show-itype-item hed.t sub)} {(show-itype-item tal.t sub)}]"
9550+ |= [t=itype sub=isub]
9552+ =. t (itype-walk t sub)
9553+ ?: ?=(%face -.t) "{(trip name.t)}={(show-itype-context body.t sub)}"
9554+ (show-itype-context t sub)
9556+++ show-itype-context
9557+ |= [t=itype sub=isub]
9559+ =. t (itype-walk t sub)
9560+ ?: &(?=(%union -.t) ?=(~ label.t)) "({(show-itype t sub)})"
9564+ |= [cases=(list itype) sub=isub]
9567+ ?~ t.cases (show-itype-context i.cases sub)
9568+ "{(show-itype-context i.cases sub)} {$(cases t.cases)}"
5335:: Include the type at a conflicting site where it can be printed.
9570:: Include the type at a conflicting site where it can be printed.
5336:: A lone unresolved variable or decimal variable keeps the neutral label.
9571:: A lone unresolved variable or decimal variable keeps the neutral label.
@@ -5340,11 +9575,23 @@
5341 ?- -.typ
9576 ?- -.typ
5346 %any-atom |
9583 %any-atom |
9589+ %union |((lien cases.typ |=(c=itype (itype-has-nvar c))) (lien args.typ |=(c=itype (itype-has-nvar c))))
9592+ %grec (lien args.typ |=(c=itype (itype-has-nvar c)))
9593+ %collection (lien args.typ |=(c=itype (itype-has-nvar c)))
9594+ %face $(typ body.typ)
5348 %fn |($(typ sample.typ) $(typ product.typ))
9595 %fn |($(typ sample.typ) $(typ product.typ))
5349 %cell |($(typ hed.typ) $(typ tal.typ))
9596 %cell |($(typ hed.typ) $(typ tal.typ))
@@ -5353,7 +9600,8 @@
5353 |= [label=tape typ=itype sub=isub]
9600 |= [label=tape typ=itype sub=isub]
5355 =/ normalized=itype (itype-normalize typ sub)
9602 =/ normalized=itype (itype-normalize typ sub)
5356− ?: |(?=(%var -.normalized) ?=(%avar -.normalized) (itype-has-nvar normalized)) label
9603+ ?: |(?=(%var -.normalized) ?=(%avar -.normalized) ?=(%rvar -.normalized) (itype-has-nvar normalized) (itype-has-tag normalized) (itype-has-union normalized)) label
9604+ ?: (itype-has-hidden-recursive normalized) label
5357 =/ vars=(list @ud) (unique-type-vars (itype-vars normalized))
9605 =/ vars=(list @ud) (unique-type-vars (itype-vars normalized))
5358 ?: (gth (lent vars) 26) label
9606 ?: (gth (lent vars) 26) label
5359 =/ printable=itype (canonical-itype normalized vars)
9607 =/ printable=itype (canonical-itype normalized vars)
@@ -5362,13 +9610,68 @@
5362:: A capital in a written mold is generalized with its enclosing ++.
9610:: A capital in a written mold is generalized with its enclosing ++.
5363:: Atom constraints may remain generic; until full rigidity checking
9611:: Atom constraints may remain generic; until full rigidity checking
5364:: is implemented, do not report a type if one became more specific.
9612:: is implemented, do not report a type if one became more specific.
9613+:: Distinct written capitals cannot be forced equal; use the same
9614+:: capital where a type must be shared (Decisions 2026-10-30).
9617+ |= [n=@ud caps=icaps sub=isub]
9620+ =/ resolved=itype (itype-walk [%var id.i.caps] sub)
9621+ =/ ident=(unit @ud)
9627+ ?~ ident $(caps t.caps)
9632+ |= [n=@ud caps=icaps sub=isub]
9635+ =/ resolved=itype (itype-walk [%var id.i.caps] sub)
9636+ =/ ident=(unit @ud)
9642+ ?~ ident $(caps t.caps)
9643+ ?: =(n u.ident) `i.caps
9647+ |= [caps=icaps sub=isub]
9648+ ^- (unit [first=icap second=icap])
9650+ =/ resolved=itype (itype-walk [%var id.i.caps] sub)
9651+ =/ ident=(unit @ud)
9657+ ?~ ident $(caps t.caps)
9658+ =/ found=(unit icap) (cap-with-id u.ident t.caps sub)
9659+ ?^ found `[u.found i.caps]
5366++ constrained-capitals
9662++ constrained-capitals
5367 |= [caps=icaps sub=isub]
9663 |= [caps=icaps sub=isub]
5369 ?~ caps |
9665 ?~ caps |
5370 =/ resolved=itype (itype-walk [%var id.i.caps] sub)
9666 =/ resolved=itype (itype-walk [%var id.i.caps] sub)
9667+ =/ ident=(unit @ud)
5371− ?. |(?=(%var -.resolved) ?=(%avar -.resolved)) &
9670+ %avar `id.resolved
9674+ ?: (cap-id-in u.ident t.caps sub) &
5372 $(caps t.caps)
9675 $(caps t.caps)
5374:: An atom variable may be generalized when an explicit capital, sample
9677:: An atom variable may be generalized when an explicit capital, sample
@@ -5380,8 +9683,8 @@
5381 ?~ caps |
9684 ?~ caps |
5382 =/ resolved=itype (itype-walk [%var id.i.caps] sub)
9685 =/ resolved=itype (itype-walk [%var id.i.caps] sub)
5383− ?: ?=(%avar -.resolved)
9686+ ?: |(?=(%avar -.resolved) ?=(%rvar -.resolved))
5384− ?: =(n id.resolved) &
9687+ ?: =(n +.resolved) &
5385 $(caps t.caps)
9688 $(caps t.caps)
5386 $(caps t.caps)
9689 $(caps t.caps)
@@ -5391,10 +9694,22 @@
5393 %avar =(n id.t)
9696 %avar =(n id.t)
5396 %any-atom |
9701 %any-atom |
9707+ %union |((lien cases.t |=(c=itype (has-atom-var n c))) (lien args.t |=(c=itype (has-atom-var n c))))
9710+ %grec (lien args.t |=(c=itype (has-atom-var n c)))
9711+ %collection (lien args.t |=(c=itype (has-atom-var n c)))
5398 %fn |($(t sample.t) $(t product.t))
9713 %fn |($(t sample.t) $(t product.t))
5399 %cell |($(t hed.t) $(t tal.t))
9714 %cell |($(t hed.t) $(t tal.t))
@@ -5432,6 +9747,10 @@
5432 =/ out=tape ""
9747 =/ out=tape ""
5434 ?~ vars out
9749 ?~ vars out
9750+ ?: (itype-var-is-restricted i.vars t)
9751+ =/ sep=tape ?:(printed ", " " where ")
9752+ =/ clause=tape "{sep}{(show-itype [%rvar i.vars] ~)} is an atom other than ?"
9753+ $(vars t.vars, printed &, out (weld out clause))
5435 ?: (itype-var-is-atom i.vars t)
9754 ?: (itype-var-is-atom i.vars t)
5436 =/ sep=tape ?:(printed ", " " where ")
9755 =/ sep=tape ?:(printed ", " " where ")
5437 =/ clause=tape "{sep}{(show-itype [%avar i.vars] ~)} is an atom"
9756 =/ clause=tape "{sep}{(show-itype [%avar i.vars] ~)} is an atom"
@@ -5440,9 +9759,9 @@
5441:: Build the supported part of the value environment in dependency order.
9760:: Build the supported part of the value environment in dependency order.
5442:: Each pass adds successful definitions. Forward references become
9761:: Each pass adds successful definitions. Forward references become
5443−:: available on a later pass; recursive groups and unsupported syntax do
9762+:: available on a later pass; unsupported syntax does not enter the
5444−:: not enter the environment. Generalized definitions are closed, so a
9763+:: environment. Generalized definitions are closed, so a use instantiates
5445−:: use instantiates its variables afresh.
9764+:: its variables afresh.
5447++ global-value-names
9766++ global-value-names
5448 |= ds=(list def)
9767 |= ds=(list def)
@@ -5460,31 +9779,650 @@
5460 ?~ t.hits &
9779 ?~ t.hits &
5463−++ add-supported-defs
9782+:: A top-level gate may refer to itself through one monomorphic placeholder.
5464− |= [ds=(list def) env=ienv molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term)]
9783+:: Its declared sample is inferred first and preserves its field faces.
9784+:: Unify the completed body with that placeholder before generalization;
9785+:: reporting repeats the same check instead of instantiating the gate's
9786+:: generalized interface inside its own body. Mutual groups stay unsupported.
9789+ |= [e=expr name=term]
9791+ ?: ?=(%group -.e) $(e inner.e)
9792+ ?: &(?=(%body -.e) ?=(~ defs.e)) $(e final.e)
9794+ ?. ?=(%wing -.head.e) |
9795+ =(names.head.e ~[name])
9798+ |= [e=expr name=term]
9800+ ?: ?=(%group -.e) $(e inner.e)
9801+ ?: &(?=(%body -.e) ?=(~ defs.e)) $(e final.e)
9802+ ?. ?=(%branch -.e) ~
9807+ =/ y=arm i.t.arms.e
9808+ ?. &(?=(%lit -.pat.x) ?=(%lit -.pat.y)) ~
9809+ ?. &(=(%loobean form.lit.pat.x) =(%loobean form.lit.pat.y)) ~
9810+ ?: =(val.lit.pat.x val.lit.pat.y) ~
9811+ =/ first=? (direct-self-call val.x name)
9812+ =/ second=? (direct-self-call val.y name)
9813+ ?: =(first second) ~
9814+ `?:(first val.y val.x)
9816+:: Infer the base arm independently, with the self binding removed. Only
9817+:: a closed type whose constraints resolved can seed the recursive result.
9818+:: The regular body inference then checks both arms with shared state.
9820+++ recursive-branch-seed
9821+ |= [d=def env=ienv state=istate]
9823+ ?. ?=(%value -.d) ~
9824+ ?. |(?=(%gate -.val.d) ?=(%gate-wide -.val.d)) ~
9829+ %gate-wide body.gate
9832+ =/ base=(unit expr) (branch-base-arm body name.d)
9834+ =/ outer=ienv (skim env |=(entry=[name=term scheme=ischeme] !=(name.entry name.d)))
9835+ =/ sam=isample-result
9837+ %gate (infer-sample sample.gate outer state)
9838+ %gate-wide (infer-sample sample.gate outer state)
9842+ =/ inferred=iresult (infer-fragment u.base env.p.sam state.p.sam)
9843+ ?: ?=(%| -.inferred) ~
9844+ ?: (pending-tags tags.state.p.inferred sub.state.p.inferred) ~
9845+ ?: (constrained-capitals caps.state.p.inferred sub.state.p.inferred) ~
9846+ =/ typ=itype (itype-normalize typ.p.inferred sub.state.p.inferred)
9847+ ?: ?=(^ (itype-vars typ)) ~
9848+ ?: (itype-has-tag typ) ~
9851+++ infer-recursive-gate
9852+ |= [d=def env=ienv state=istate]
9854+ ?^ defer.state [%| ["deferred recursive inference is unsupported" ~]]
9855+ =. gate-defs.state ~
9856+ ?. ?=(%value -.d) [%| ["recursive definition is not a gate" ~]]
9857+ ?. |(?=(%gate -.val.d) ?=(%gate-wide -.val.d))
9858+ [%| ["recursive definition is not a gate" ~]]
9859+ =/ result=(unit itype) (recursive-branch-seed d env state)
9861+ =/ sam=isample-result
9863+ %gate (infer-sample sample.gate env state)
9864+ %gate-wide (infer-sample sample.gate env state)
9868+ =/ diag=(unit idiag)
9870+ %gate (sample-import-invalid sample.gate env state)
9871+ %gate-wide (sample-import-invalid sample.gate env state)
9874+ ?: &(=(p.sam "sample mold is not supported by partial inference") ?=(^ diag)) [%| u.diag]
9876+ =/ id=@ud next.state.p.sam
9877+ =/ product=itype ?~(result [%var id] u.result)
9878+ =/ st=istate state.p.sam(next +(id))
9879+ =/ seed=itype [%fn typ.p.sam product]
9880+ =/ seeded=ienv [[name.d [seed ~]] env.p.sam]
9884+ %gate-wide body.gate
9887+ =/ out=iresult (infer-fragment body seeded st)
9888+ ?: ?=(%| -.out) out
9889+ =/ uni=(unit isub) (itype-unify product typ.p.out sub.state.p.out)
9890+ ?~ uni [%| ["recursive gate constraint is not supported by partial inference" ~]]
9891+ [%& [%fn typ.p.sam typ.p.out] state.p.out(sub u.uni)]
9894+ |= names=(list term)
9903+ =/ first=(list term) (dependency-expr i.xs)
9904+ (weld first $(xs t.xs))
9906+++ dependency-pieces
9910+ =/ first=(list term)
9912+ %expr (dependency-expr p.i.xs)
9915+ (weld first $(xs t.xs))
9921+ =/ first=(list term)
9923+ %expr (dependency-expr p.i.xs)
9926+ (weld first $(xs t.xs))
9932+ =/ first=(list term) (dependency-expr val.i.xs)
9933+ (weld first $(xs t.xs))
9939+ =/ first=(list term) (dependency-expr val.i.xs)
9940+ (weld first $(xs t.xs))
9946+ =/ first=(list term) (dependency-expr val.i.xs)
9947+ (weld first $(xs t.xs))
9953+ =/ first=(list term)
9954+ ?: ?=(%value -.i.xs) (dependency-expr val.i.xs)
9956+ (weld first $(xs t.xs))
9962+ %str (dependency-pieces pieces.e)
9963+ %qath (dependency-qsegs segs.e)
9964+ %wing (dependency-root names.e)
9966+ =/ first=(list term) (dependency-root target.e)
9967+ =/ last=(list term) (dependency-edits edits.e)
9969+ %pair (dependency-expr val.e)
9970+ %unit (dependency-expr val.e)
9971+ %group (dependency-expr inner.e)
9972+ %list (dependency-exprs items.e)
9973+ %tuple (dependency-items items.e)
9974+ %gate (dependency-expr body.e)
9975+ %gate-wide (dependency-expr body.e)
9977+ =/ first=(list term) (dependency-expr head.e)
9978+ =/ last=(list term) (dependency-exprs args.e)
9980+ %cast (dependency-expr val.e)
9982+ =/ first=(list term) (dependency-expr val.e)
9983+ =/ last=(list term) (dependency-expr then.e)
9986+ =/ first=(list term) (dependency-expr subject.e)
9987+ =/ last=(list term) (dependency-arms arms.e)
9990+ =/ first=(list term) (dependency-defs defs.e)
9991+ =/ last=(list term) (dependency-expr final.e)
9996+:: Infer a cyclic component with one monomorphic seed per gate. All members
9997+:: must succeed before any scheme is available; pending constraints and
9998+:: unresolved branch joins remain partial.
9999++$ igate-entry [name=term typ=itype body=expr env=ienv caps=icaps]
10000++$ igate-seeds (each [entries=(list igate-entry) state=istate] idiag)
10002+ |= [ds=(list def) env=ienv state=istate]
10004+ ?~ ds [%& [~ state]]
10006+ ?. ?=(%value -.d) [%| ["recursive group contains a non-gate" ~]]
10007+ =/ gate=expr val.d
10008+ ?. |(?=(%gate -.gate) ?=(%gate-wide -.gate))
10009+ [%| ["recursive group contains a non-gate" ~]]
10010+ =/ initial=istate (reserve-def-caps gate state)
10011+ =/ sam=isample-result
10013+ %gate (infer-sample sample.gate env initial)
10014+ %gate-wide (infer-sample sample.gate env initial)
10017+ ?: ?=(%| -.sam) [%| [p.sam ~]]
10021+ %gate-wide body.gate
10024+ =/ seed=itype [%fn typ.p.sam [%var next.state.p.sam]]
10025+ =/ entry=igate-entry [name.d seed body env.p.sam caps.state.p.sam]
10026+ =/ after=istate state.p.sam(next +(next.state.p.sam), caps caps.state)
10027+ =/ rest=igate-seeds $(ds t.ds, state after)
10028+ ?: ?=(%| -.rest) rest
10029+ [%& [[entry entries.p.rest] state.p.rest]]
10032+ |= [entries=(list igate-entry) env=ienv]
5465 ^- ienv
10033 ^- ienv
5466− ?~ ds env
10034+ ?~ entries env
10035+ [[name.i.entries [typ.i.entries ~]] $(entries t.entries)]
10037+++ infer-gate-group-bodies
10038+ |= [entries=(list igate-entry) seeds=ienv state=istate]
10040+ ?~ entries [%& [~ state]]
10041+ =/ entry=igate-entry i.entries
10042+ ?> ?=(%fn -.typ.entry)
10043+ =/ scope=ienv (weld seeds env.entry)
10044+ =/ out=iresult (infer-fragment body.entry scope state(caps caps.entry))
10045+ ?: ?=(%| -.out) out
10046+ =/ uni=(unit isub) (itype-unify product.typ.entry typ.p.out sub.state.p.out)
10047+ ?~ uni [%| ["recursive group constraint is not supported by partial inference" ~]]
10048+ =. caps.entry caps.state.p.out
10049+ =/ after=istate state.p.out(sub u.uni, caps caps.state)
10050+ =/ rest=igate-seeds $(entries t.entries, state after)
10051+ ?: ?=(%| -.rest) rest
10052+ [%& [[entry entries.p.rest] state.p.rest]]
10055+ |= [entries=(list igate-entry) env=ienv outer=istate state=istate]
10056+ ^- (each ienv idiag)
10058+ =/ entry=igate-entry i.entries
10059+ =/ merged=(unit [first=icap second=icap]) (merged-capitals caps.entry sub.state)
10061+ [%| ["distinct type variables must not be forced equal" ~[[at.first.u.merged "first type variable"] [at.second.u.merged "second type variable"]]]]
10062+ ?: (constrained-capitals caps.entry sub.state)
10063+ [%| ["explicit capital constraints are not supported by partial inference" ~]]
10064+ =/ typ=itype (itype-normalize typ.entry sub.state)
10065+ ?: (itype-has-nvar typ) [%| ["recursive group needs unsupported inference" ~]]
10066+ ?: |((itype-has-tag typ) (itype-has-hidden-generic typ) (itype-has-hidden-recursive typ) (unsupported-atom-vars typ caps.entry binders.state sub.state))
10067+ [%| ["recursive group needs unsupported inference" ~]]
10068+ =/ free=(list @ud) (weld (free-env-vars env sub.state) (free-cap-vars caps.outer sub.state))
10069+ =/ vars=(list @ud) (unique-type-vars (itype-vars typ))
10070+ =. vars (skim vars |=(n=@ud !(lien free |=(f=@ud =(f n)))))
10071+ ?: (gth (lent vars) 26) [%| ["recursive group needs too many type variables" ~]]
10072+ =/ rest=(each ienv idiag) $(entries t.entries)
10073+ ?: ?=(%| -.rest) rest
10074+ [%& [[name.entry [typ vars]] p.rest]]
10076+++ infer-gate-group
10077+ |= [ds=(list def) env=ienv state=istate]
10079+ ?^ defer.state [%| ["deferred recursive inference is unsupported" ~]]
10080+ =/ names=(list term) (global-value-names ds)
10081+ ?. (levy names |=(n=term (unique-value-name n names)))
10082+ [%| ["recursive group contains duplicate names" ~]]
10083+ ?: (lien names |=(n=term ?=(^ (ienv-lookup n env))))
10084+ [%| ["recursive group shadows a name" ~]]
10085+ =/ scoped=istate state(globals (weld names globals.state), gate-defs ~)
10086+ =/ seeded=igate-seeds (seed-gate-group ds env scoped)
10087+ ?: ?=(%| -.seeded) seeded
10088+ =/ seeds=ienv (group-seed-env entries.p.seeded ~)
10089+ =/ body=igate-seeds (infer-gate-group-bodies entries.p.seeded seeds state.p.seeded)
10090+ ?: ?=(%| -.body) body
10091+ :: Per-member ownership through mutual recursion is not implemented.
10092+ ?: !=(projections.state.p.body projections.state)
10093+ [%| ["record projection in recursive groups needs unsupported inference" ~]]
10094+ ?: !=(holes.state.p.body holes.state)
10095+ [%| ["holes in recursive groups need unsupported inference" ~]]
10096+ ?: (pending-tags tags.state.p.body sub.state.p.body)
10097+ [%| ["recursive group has unresolved literal constraints" ~]]
10098+ =/ schemes=(each ienv idiag) (group-schemes entries.p.body env state state.p.body)
10099+ ?: ?=(%| -.schemes) schemes
10100+ [%& [(weld p.schemes env) state.p.body(globals globals.state)]]
10103+ |= [ps=(list iwprojection) sub=isub visible=(list @ud)]
10104+ ^- (unit (list iwprojection))
10106+ ?: (lien t.ps |=(p=iwprojection =(at.p at.i.ps))) ~
10107+ =/ src=itype (default-decimals (itype-normalize source.i.ps sub))
10108+ =/ dst=itype (default-decimals (itype-normalize target.i.ps sub))
10109+ ?: |((itype-has-nvar src) (itype-has-nvar dst) (itype-has-tag src) (itype-has-tag dst)) ~
10110+ =/ vars=(list @ud) (weld (itype-vars src) (itype-vars dst))
10111+ ?. (levy vars |=(n=@ud (lien visible |=(v=@ud =(n v))))) ~
10112+ =/ rest=(unit (list iwprojection)) $(ps t.ps)
10114+ =/ entry=iwprojection i.ps
10115+ =. entry entry(source src, target dst)
10118+++ add-supported-defs
10119+ |= [ds=(list def) all-defs=(list def) checked=(map term def) heads=(unit igate-prelude-evidence) env=ienv molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) jimports=ijimports reserved-molds=(list term) at=path prelude=(unit ifile) artifacts=(list iwidth-definition)]
10120+ ^- [env=ienv artifacts=(list iwidth-definition)]
10121+ (add-supported-defs-core ds all-defs checked heads env molds globals externals surs mark-externals marks jimports reserved-molds at prelude artifacts ~)
10124++$ iresolved [env=ienv grouped=(list term) artifacts=(list iwidth-definition)]
10125++$ iadj (map term (list term))
10126++$ ivisited (map term ?)
10127++$ iwork (list [name=term done=?])
10128++$ iwresult [seen=ivisited order=(list term)]
10129++$ icresult [seen=ivisited component=(list term)]
10130++$ icomponents (list (list term))
10132+ |= [names=(list term) seen=ivisited]
10135+ $(names t.names, seen (~(put by seen) i.names &))
10138+ |= [name=term graph=iadj]
10140+ =/ found=(unit (list term)) (~(get by graph) name)
10144+++ graph-make-forward
10145+ |= [ds=(list def) names=ivisited graph=iadj]
10148+ ?. ?=(%value -.i.ds) $(ds t.ds)
10149+ =/ deps=(list term) (dependency-expr val.i.ds)
10150+ =. deps (skim deps |=(n=term ?=(^ (~(get by names) n))))
10151+ $(ds t.ds, graph (~(put by graph) name.i.ds deps))
10153+++ graph-add-reverse
10154+ |= [name=term edges=(list term) reverse=iadj]
10157+ =/ prior=(list term) (graph-edges i.edges reverse)
10158+ $(edges t.edges, reverse (~(put by reverse) i.edges [name prior]))
10161+ |= [names=(list term) graph=iadj reverse=iadj]
10164+ =. reverse (graph-add-reverse i.names (graph-edges i.names graph) reverse)
10168+ |= [todo=iwork seen=ivisited order=(list term) graph=iadj]
10170+ ?~ todo [seen order]
10171+ =/ event=[name=term done=?] i.todo
10172+ ?: done.event $(todo t.todo, order [name.event order])
10173+ ?: ?=(^ (~(get by seen) name.event)) $(todo t.todo)
10174+ =. seen (~(put by seen) name.event &)
10175+ =/ children=iwork (turn (graph-edges name.event graph) |=(n=term [n |]))
10176+ $(todo (weld children [[name.event &] t.todo]))
10179+ |= [todo=(list term) seen=ivisited component=(list term) graph=iadj]
10181+ ?~ todo [seen component]
10182+ ?: ?=(^ (~(get by seen) i.todo)) $(todo t.todo)
10183+ =. seen (~(put by seen) i.todo &)
10184+ $(todo (weld (graph-edges i.todo graph) t.todo), component [i.todo component])
10186+++ graph-collect-all
10187+ |= [order=(list term) seen=ivisited graph=iadj comps=icomponents]
10190+ ?: ?=(^ (~(get by seen) i.order)) $(order t.order)
10191+ =/ found=icresult (graph-collect ~[i.order] seen ~ graph)
10192+ $(order t.order, seen seen.found, comps [component.found comps])
10194+:: Two depth-first passes find components before group inference. Maps
10195+:: preserve the graph identity; duplicate global names fail closed.
10196+++ graph-components
10197+ |= [ds=(list def) names=(list term)]
10199+ =/ nameset=ivisited ~
10200+ =/ pending=(list term) names
10203+ ?: ?=(^ (~(get by nameset) i.pending)) ~
10204+ $(pending t.pending, nameset (~(put by nameset) i.pending &))
10205+ =/ graph=iadj (graph-make-forward ds nameset ~)
10206+ =/ reverse=iadj (graph-reverse names graph ~)
10207+ =/ order=iwresult (graph-order (turn names |=(n=term [n |])) ~ ~ graph)
10208+ (graph-collect-all order.order ~ reverse ~)
10211+ |= [component=(list term) graph=iadj]
10215+ (lien (graph-edges i.component graph) |=(x=term =(x i.component)))
10218+ |= [ds=(list def) components=icomponents graph=iadj env=ienv grouped=(list term) artifacts=(list iwidth-definition) state=istate]
10220+ ?~ components [env grouped artifacts]
10221+ =/ component=(list term) i.components
10222+ ?. (graph-cycle component graph) $(components t.components)
10223+ ?: (lien component |=(n=term ?=(^ (ienv-lookup n env)))) $(components t.components)
10224+ =/ members=(list def)
10227+ &(?=(%value -.d) (lien component |=(n=term =(n name.d))))
10228+ ?. =((lent members) (lent component)) $(components t.components)
10229+ ?. (levy component |=(n=term (unique-value-name n globals.state))) $(components t.components)
10230+ =/ result=ilocal-result (infer-gate-group members env state)
10231+ ?: ?=(%| -.result) $(components t.components)
10232+ $(components t.components, env env.p.result, grouped (weld component grouped))
10235+ |= [ds=(list def) molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) jimports=ijimports reserved-molds=(list term) at=path prelude=(unit ifile)]
10237+ (resolve-groups-core ds molds globals externals surs mark-externals marks jimports reserved-molds at prelude ~)
10240++$ iadded-definition
10241+ [env=ienv checked=(map term def) artifacts=(list iwidth-definition)]
10242+++ add-supported-result
10243+ |= [d=def result=iresult initial=istate env=ienv checked=(map term def) artifacts=(list iwidth-definition)]
10244+ ^- (unit iadded-definition)
10246+ ?: ?=(%| -.result) ~
10247+ =. state.p.result (promote-restricted-numbers state.p.result env)
10248+ =. state.p.result (default-hole-numbers holes.state.p.result holes.initial state.p.result env !(itype-has-gate (itype-normalize typ.p.result sub.state.p.result)))
10249+ ?^ (unresolved-hole holes.state.p.result holes.initial state.p.result) ~
10250+ ?: (constrained-capitals caps.state.p.result sub.state.p.result) ~
10251+ =/ typ=itype (default-decimals (itype-normalize typ.p.result sub.state.p.result))
10252+ ?: |((pending-tags tags.state.p.result sub.state.p.result) (itype-has-tag typ)) ~
10253+ ?: (unsupported-atom-vars typ caps.state.p.result binders.state.p.result sub.state.p.result) ~
10254+ =/ vars=(list @ud) (unique-type-vars (itype-vars typ))
10255+ ?: (gth (lent vars) 26) ~
10256+ =/ finalized=(unit (list iwprojection))
10257+ (width-finalize projections.state.p.result sub.state.p.result vars)
10259+ =? artifacts ?=(^ u.finalized)
10260+ [[name.d val.d typ sub.state.p.result (flop u.finalized)] artifacts]
10261+ =? checked |(?=(%gate -.val.d) ?=(%gate-wide -.val.d)) (~(put by checked) name.d d)
10262+ `[[[name.d [typ vars]] env] checked artifacts]
10263+++ add-supported-defs-core
10264+ |= [ds=(list def) all-defs=(list def) checked=(map term def) heads=(unit igate-prelude-evidence) env=ienv molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) jimports=ijimports reserved-molds=(list term) at=path prelude=(unit ifile) artifacts=(list iwidth-definition) index=(unit [at=path source=@t prelude=ifile shapes=(map term shape)])]
10265+ ^- [env=ienv artifacts=(list iwidth-definition)]
10266+ ?~ ds [env artifacts]
5467 =/ d=def i.ds
10267 =/ d=def i.ds
5468 ?: ?=(%mold -.d) $(ds t.ds)
10268 ?: ?=(%mold -.d) $(ds t.ds)
5469 ?. (unique-value-name name.d globals) $(ds t.ds)
10269 ?. (unique-value-name name.d globals) $(ds t.ds)
5470 ?^ (ienv-lookup name.d env) $(ds t.ds)
10270 ?^ (ienv-lookup name.d env) $(ds t.ds)
10271+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
10272+ =/ initial=istate [0 ~ ~ ~ molds globals externals surs mark-externals marks jimports reserved-molds ~ ~ ~ | at top prelude ~ 256 ~ ~ ~ ~ ~ ~]
10273+ =. grec-index.initial index
10274+ =. gate-defs.initial checked
10275+ =. head-evidence.initial heads
10276+ =. initial (reserve-def-caps val.d initial)
5471− =/ result=iresult (infer-fragment val.d env [0 ~ ~ ~ molds globals externals surs mark-externals marks ~ |])
10277+ =/ result=iresult (infer-fragment val.d env initial)
5472− ?: ?=(%| -.result) $(ds t.ds)
10278+ =? result ?=(%| -.result) (infer-recursive-gate d env initial)
5473− ?: (constrained-capitals caps.state.p.result sub.state.p.result) $(ds t.ds)
10279+ =/ added=(unit iadded-definition)
5474− =/ typ=itype (itype-normalize typ.p.result sub.state.p.result)
10280+ (add-supported-result d result initial env checked artifacts)
5475− ?: (unsupported-atom-vars typ caps.state.p.result binders.state.p.result sub.state.p.result) $(ds t.ds)
10281+ ?~ added $(ds t.ds)
5476− =/ vars=(list @ud) (unique-type-vars (itype-vars typ))
10282+ $(ds t.ds, env env.u.added, checked checked.u.added, artifacts artifacts.u.added)
5477− ?: (gth (lent vars) 26) $(ds t.ds)
10283+::
5478− $(ds t.ds, env [[name.d [typ vars]] env])
10284+++ resolve-groups-core
10285+ |= [ds=(list def) molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) jimports=ijimports reserved-molds=(list term) at=path prelude=(unit ifile) index=(unit [at=path source=@t prelude=ifile shapes=(map term shape)])]
10288+ =/ grouped=(list term) ~
10289+ =/ artifacts=(list iwidth-definition) ~
10290+ =/ names=(list term) (global-value-names ds)
10291+ =/ nameset=ivisited (graph-nameset names ~)
10292+ =/ graph=iadj (graph-make-forward ds nameset ~)
10293+ =/ components=icomponents (graph-components ds names)
10294+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
10295+ =/ heads=(unit igate-prelude-evidence) (direct-prelude-evidence ds prelude)
10297+ =/ next=[env=ienv artifacts=(list iwidth-definition)]
10298+ (add-supported-defs-core ds ds (direct-checked-gates ds env) heads env molds globals externals surs mark-externals marks jimports reserved-molds at prelude artifacts index)
10299+ =/ initial=istate [0 ~ ~ ~ molds globals externals surs mark-externals marks jimports reserved-molds ~ ~ ~ | at top prelude ~ 256 ~ ~ ~ ~ ~ ~]
10300+ =. grec-index.initial index
10301+ =/ out=iresolved (add-groups ds components graph env.next grouped artifacts.next initial)
10302+ ?: =(env env.out) out
10303+ $(env env.out, grouped grouped.out, artifacts artifacts.out)
5480++ resolve-supported-defs
10305++ resolve-supported-defs
5481− |= [ds=(list def) molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term)]
10306+ |= [ds=(list def) molds=imolds globals=(list term) externals=iexternals surs=(list term) mark-externals=imark-externals marks=(list term) jimports=ijimports reserved-molds=(list term) at=path prelude=(unit ifile)]
5482 ^- ienv
10307 ^- ienv
5483− =/ env=ienv ~
10308+ env:(resolve-groups ds molds globals externals surs mark-externals marks jimports reserved-molds at prelude)
10310+:: A diagnostic-only proof for a narrow syntactic value cycle. Every
10311+:: edge is an unqualified wing in a supported expression, and samples
10312+:: may not shadow global bindings. Unknown forms yield no conclusion.
10313++$ icyclesite [name=term at=span]
10314++$ icycle [name=term first=span next=span]
10315+++ cycle-sites-list
10316+ |= [xs=(list expr) globals=(list term) locals=(list term)]
10317+ ^- (unit (list icyclesite))
10319+ =/ first=(unit (list icyclesite)) (cycle-sites i.xs globals locals)
10321+ =/ tail=(unit (list icyclesite)) $(xs t.xs)
10323+ `(weld u.first u.tail)
10325+++ cycle-sample-name
10326+ |= [sam=sample globals=(list term) locals=(list term)]
10327+ ^- (unit (unit term))
10330+ ?: (lien (weld globals locals) |=(n=term =(n name.sam))) ~
10333+ ?: (lien (weld globals locals) |=(n=term =(n name.sam))) ~
10340+ |= [e=expr globals=(list term) locals=(list term)]
10341+ ^- (unit (list icyclesite))
10344+ ?. ?=([@ ~] names.e) ~
10345+ `~[[i.names.e at.e]]
10348+ ?: (lien pieces.e |=(p=piece ?=(%expr -.p))) ~
10350+ %group $(e inner.e)
10351+ %body ?~(defs.e $(e final.e) ~)
10354+ =/ binder=(unit (unit term)) (cycle-sample-name sample.e globals locals)
10356+ =/ nested=(list term) ?~(u.binder locals [u.u.binder locals])
10357+ $(e body.e, locals nested)
10359+ =/ binder=(unit (unit term)) (cycle-sample-name sample.e globals locals)
10361+ =/ nested=(list term) ?~(u.binder locals [u.u.binder locals])
10362+ $(e body.e, locals nested)
10364+ =/ first=(unit (list icyclesite)) $(e head.e)
10366+ =/ tail=(unit (list icyclesite)) (cycle-sites-list args.e globals locals)
10368+ `(weld u.first u.tail)
10372+++ cycle-definitely-atom
10375+ ?: ?=(%group -.e) $(e inner.e)
10376+ ?: &(?=(%body -.e) ?=(~ defs.e)) $(e final.e)
10377+ ?. ?=(%cast -.e) |
10378+ |(?=(%aura -.shape.e) ?=(%flag -.shape.e))
10380+++ cycle-proof-group
10381+ |= [members=(list def) globals=(list term)]
10384+ ?. ?=(%value -.i.members) |
10385+ ?. (unique-value-name name.i.members globals) |
10386+ ?. ?=(^ (cycle-sites val.i.members globals ~)) |
10387+ $(members t.members)
10390+ |= [sites=(list icyclesite) component=(list term)]
10393+ ?: (lien component |=(n=term =(n name.i.sites))) `at.i.sites
10396+++ cycle-group-errors
10397+ |= [members=(list def) component=(list term) globals=(list term)]
10400+ =/ d=def i.members
10402+ =/ tail=(list icycle) $(members t.members)
10403+ ?. (cycle-definitely-atom val.d) tail
10404+ =/ sites=(unit (list icyclesite)) (cycle-sites val.d globals ~)
10406+ =/ found=(unit span) (cycle-find-site u.sites component)
10408+ [[name.d at.d u.found] tail]
10410+++ definite-value-cycles
10411+ |= [ds=(list def) globals=(list term)]
10413+ =/ names=(list term) (global-value-names ds)
10414+ =/ graph=iadj (graph-make-forward ds (graph-nameset names ~) ~)
10415+ =/ components=icomponents (graph-components ds names)
10416+ =/ out=(list icycle) ~
5485− =/ next=ienv (add-supported-defs ds env molds globals externals surs mark-externals marks)
10418+ ?~ components out
5486− ?: =(next env) env
10419+ =/ component=(list term) i.components
5487− $(env next)
10420+ ?. (graph-cycle component graph) $(components t.components)
10421+ =/ members=(list def)
10422+ (skim ds |=(d=def &(?=(%value -.d) (lien component |=(n=term =(n name.d))))))
10423+ ?. =((lent members) (lent component)) $(components t.components)
10424+ ?. (cycle-proof-group members globals) $(components t.components)
10425+ $(components t.components, out (weld (cycle-group-errors members component globals) out))
5489+| %union-analysis
10427+| %union-analysis
@@ -5608,6 +10546,257 @@
5608 %overlap
10546 %overlap
5609 %unknown
10547 %unknown
10549+:: A source-only fallback for literal-tagged cells and one-hop local
10550+:: generic applications. It screens all work before ordinary inference.
10551+++ union-simple-shape-budget
10552+ |= [s=shape fuel=@ud vars=(unit (list @t))]
10555+ =. fuel (dec fuel)
10557+ ?(%aura %noun %void %flag) `fuel
10560+ ?:((lien u.vars |=(n=@t =(n name.s))) `fuel ~)
10562+ ?. |(=(%term form.lit.s) =(%null form.lit.s) =(%loobean form.lit.s)) ~
10563+ ?: &(=(%loobean form.lit.s) !|(=(0 val.lit.s) =(1 val.lit.s))) ~
10565+ %cell (union-simple-fields-budget fields.s fuel vars)
10567+ =/ left=(unit @ud) $(s sample.s, fuel fuel)
10569+ $(s product.s, fuel u.left)
10572+++ union-simple-fields-budget
10573+ |= [fields=(list field) fuel=@ud vars=(unit (list @t))]
10577+ =/ field-shape=shape
10579+ %bare shape.i.fields
10580+ %face shape.i.fields
10581+ %pun [%ref at.i.fields ~[name.i.fields]]
10583+ =/ head=(unit @ud) (union-simple-shape-budget field-shape (dec fuel) vars)
10585+ $(fields t.fields, fuel u.head)
10586+++ union-source-find
10587+ |= [n=term molds=imolds fuel=@ud]
10588+ ^- (unit [body=shape left=@ud])
10589+ =/ found=(unit shape) ~
10595+ ?: =(n name.i.molds)
10597+ $(molds t.molds, fuel (dec fuel), found `body.i.molds)
10598+ $(molds t.molds, fuel (dec fuel))
10599+++ union-source-args-budget
10600+ |= [vars=(list @t) args=(list shape) fuel=@ud]
10602+ =/ seen=(set @t) *(set @t)
10604+ ?~ vars ?~(args `fuel ~)
10607+ ?: (~(has in:..zuse seen) i.vars) ~
10608+ =/ arg=(unit @ud) (union-simple-shape-budget i.args (dec fuel) ~)
10610+ $(vars t.vars, args t.args, fuel u.arg, seen (~(put in:..zuse seen) i.vars))
10611+++ union-source-cell-tag
10614+ ?. ?=(%cell -.s) ~
10617+ ?. ?=(%bare -.i.fields.s) ~
10618+ =/ head=shape shape.i.fields.s
10619+ ?. ?=(%const -.head) ~
10620+ ?. |(=(%term form.lit.head) =(%null form.lit.head) =(%loobean form.lit.head)) ~
10621+ ?: &(=(%loobean form.lit.head) !|(=(0 val.lit.head) =(1 val.lit.head))) ~
10623+++ union-source-case-tag
10624+ |= [s=shape molds=imolds fuel=@ud]
10625+ ^- (unit [tag=@ left=@ud])
10627+ =/ tag=(unit @) (union-source-cell-tag s)
10629+ =/ left=(unit @ud) (union-simple-shape-budget s fuel ~)
10632+ ?. ?=(%apply -.s) ~
10633+ ?. ?=([@ ~] ref.s) ~
10635+ =/ found=(unit [body=shape left=@ud]) (union-source-find i.ref.s molds (dec fuel))
10637+ ?. ?=(%generic -.body.u.found) ~
10638+ ?~ vars.body.u.found ~
10639+ =/ tag=(unit @) (union-source-cell-tag body.body.u.found)
10641+ =/ args=(unit @ud) (union-source-args-budget vars.body.u.found args.s left.u.found)
10643+ =/ left=(unit @ud) (union-simple-shape-budget body.body.u.found u.args `vars.body.u.found)
10646+++ union-source-distinct-tags
10647+ |= [cases=(list shape) molds=imolds fuel=@ud]
10649+ =/ seen=(set @) *(set @)
10650+ =/ has-application=? |
10652+ ?~ cases has-application
10654+ =/ item=(unit [tag=@ left=@ud]) (union-source-case-tag i.cases molds (dec fuel))
10656+ ?: (~(has in:..zuse seen) tag.u.item) |
10657+ $(cases t.cases, fuel left.u.item, seen (~(put in:..zuse seen) tag.u.item), has-application |(has-application ?=(%apply -.i.cases)))
10659+:: This inference-only screen bounds inherited work that the small source
10660+:: slice may consult. It does not authenticate a caller-created state.
10661+++ union-state-leaf
10664+ ?=(?(%var %avar %rvar %nvar %rnvar %atom %any-atom %flag %noun %empty %const) -.t)
10665+++ union-state-params-budget
10666+ |= [params=iparams fuel=@ud]
10670+ ?. (union-state-leaf typ.i.params) ~
10671+ $(params t.params, fuel (dec fuel))
10672+++ union-state-sub-budget
10673+ |= [sub=isub fuel=@ud]
10677+ ?. (union-state-leaf val.i.sub) ~
10678+ $(sub t.sub, fuel (dec fuel))
10679+++ union-state-caps-budget
10680+ |= [caps=icaps fuel=@ud]
10684+ $(caps t.caps, fuel (dec fuel))
10685+++ union-state-active-budget
10686+ |= [active=(list term) fuel=@ud]
10690+ $(active t.active, fuel (dec fuel))
10691+++ union-state-tags-budget
10692+ |= [tags=(list ipending) fuel=@ud]
10696+ $(tags t.tags, fuel (dec fuel))
10697+++ union-source-state-safe
10698+ |= [state=istate fuel=@ud]
10700+ ?^ grec-index.state |
10703+ ?^ obligations.state |
10704+ =/ params=(unit @ud) (union-state-params-budget params.state fuel)
10706+ =/ sub=(unit @ud) (union-state-sub-budget sub.state u.params)
10708+ =/ caps=(unit @ud) (union-state-caps-budget caps.state u.sub)
10710+ =/ active=(unit @ud) (union-state-active-budget active.state u.caps)
10712+ ?=(^ (union-state-tags-budget tags.state u.active))
10714+:: Positive overlap witnesses from parsed, one-hop local source only.
10715+:: Unknown or exhausted work returns no witness, never disjointness.
10716++$ uow-case [at=span head=@ payload=upat]
10717+++ union-overlap-primitive
10726+ ?. |(=(%term form.lit.s) =(%null form.lit.s) =(%loobean form.lit.s)) ~
10727+ ?: &(=(%loobean form.lit.s) !|(=(0 val.lit.s) =(1 val.lit.s))) ~
10728+ `[%atom `val.lit.s]
10731+++ union-overlap-case
10732+ |= [s=shape molds=imolds fuel=@ud]
10733+ ^- (unit [item=uow-case left=@ud])
10735+ =. fuel (dec fuel)
10736+ :: Each body has exactly two fields; an application has exactly one
10737+ :: parameter and one concrete primitive argument. The full mold table
10738+ :: is scanned to establish unique ownership.
10739+ =/ expanded=(unit [body=shape param=(unit [name=@t pat=upat]) left=@ud])
10740+ ?: ?=(%cell -.s) `[s ~ fuel]
10741+ ?. ?=(%apply -.s) ~
10742+ ?. ?=([@ ~] ref.s) ~
10743+ ?. ?=([* ~] args.s) ~
10745+ =/ found=(unit [body=shape left=@ud]) (union-source-find i.ref.s molds (dec fuel))
10747+ ?. ?=(%generic -.body.u.found) ~
10748+ ?. ?=([@ ~] vars.body.u.found) ~
10749+ ?: =(0 left.u.found) ~
10750+ =/ argument=(unit upat) (union-overlap-primitive i.args.s)
10752+ `[body.body.u.found `[i.vars.body.u.found u.argument] (dec left.u.found)]
10754+ =/ body=shape body.u.expanded
10755+ ?. ?=(%cell -.body) ~
10756+ ?. ?=([* * ~] fields.body) ~
10757+ :: Charge the cell, two fields, and the head and payload nodes.
10758+ ?: (lth left.u.expanded 5) ~
10759+ =/ head=(unit @) (union-source-cell-tag body)
10761+ =/ field=field i.t.fields.body
10766+ %pun [%ref at.field ~[name.field]]
10768+ =/ pattern=(unit upat)
10769+ ?: ?=(%tvar -.payload)
10770+ ?~ param.u.expanded ~
10771+ ?. =(name.payload name.u.param.u.expanded) ~
10772+ `pat.u.param.u.expanded
10773+ (union-overlap-primitive payload)
10775+ `[[at.s u.head u.pattern] (sub left.u.expanded 5)]
10776+++ union-overlap-against
10777+ |= [first=uow-case rest=(list shape) molds=imolds fuel=@ud]
10778+ ^- (unit [witness=(unit upair) left=@ud])
10781+ =/ other=(unit [item=uow-case left=@ud]) (union-overlap-case i.rest molds (dec fuel))
10783+ ?: &(=(head.first head.item.u.other) =(%overlap (union-relate payload.first payload.item.u.other)))
10784+ `[`[at.first at.item.u.other %overlap] left.u.other]
10785+ $(rest t.rest, fuel left.u.other)
10786+++ union-source-overlap
10787+ |= [cases=(list shape) molds=imolds fuel=@ud]
10792+ =/ first=(unit [item=uow-case left=@ud]) (union-overlap-case i.cases molds (dec fuel))
10794+ =/ found=(unit [witness=(unit upair) left=@ud])
10795+ (union-overlap-against item.u.first t.cases molds left.u.first)
10797+ ?^ witness.u.found witness.u.found
10798+ $(cases t.cases, fuel left.u.found)
5611++ union-pairs
10800++ union-pairs
5612 |= [cases=(list shape) molds=imolds]
10801 |= [cases=(list shape) molds=imolds]
5613 ^- (list upair)
10802 ^- (list upair)
@@ -5621,15 +10810,151 @@
5621 [at.first at.second (union-relate a (project-union-mold second molds ~))]
10810 [at.first at.second (union-relate a (project-union-mold second molds ~))]
5622 (weld pairs $(cases t.cases))
10811 (weld pairs $(cases t.cases))
10813+:: A closed structural mold supplies no equation to determine a hole.
10814+:: Applications, references, unbound capitals and unions are unproved.
10815+++ simple-mold-hole
10817+ ^- (unit (unit span))
10818+ ?: ?=(%generic -.sh)
10820+ ?. (distinct-params vars.sh) ~
10821+ (simple-mold-hole-in body.sh vars.sh)
10822+ (simple-mold-hole-in sh ~)
10823+++ simple-mold-hole-in
10824+ |= [sh=shape vars=(list @t)]
10825+ ^- (unit (unit span))
10828+ ?(%aura %noun %void %flag %const) `~
10829+ %tvar ?:((lien vars |=(v=@t =(v name.sh))) `~ ~)
10830+ %cell (simple-mold-field-holes fields.sh vars)
10832+ =/ a=(unit (unit span)) $(sh sample.sh)
10834+ =/ b=(unit (unit span)) $(sh product.sh)
10840+++ simple-mold-field-holes
10841+ |= [fields=(list field) vars=(list @t)]
10842+ ^- (unit (unit span))
10844+ =/ f=field i.fields
10845+ =/ first=(unit (unit span))
10847+ %face (simple-mold-hole-in shape.f vars)
10848+ %bare (simple-mold-hole-in shape.f vars)
10852+ =/ rest=(unit (unit span)) $(fields t.fields)
10854+ `?~(u.first u.rest u.first)
10855+++ simple-local-mold-hole
10856+ |= defs=(list def)
10859+ ?. ?=(%mold -.i.defs) $(defs t.defs)
10860+ =/ found=(unit (unit span)) (simple-mold-hole shape.i.defs)
10861+ ?~ found $(defs t.defs)
10862+ ?^ u.found u.found
10865+:: A partial prelude may omit unsupported declarations, but may not
10866+:: publish an interface while a named mold's hole remains unchecked.
10872+ %path (lien segs.sh |=(s=pseg ?=(%inferred -.s)))
10873+ %apply (lien args.sh shape-has-hole)
10874+ %union (lien cases.sh shape-has-hole)
10875+ %cell (lien fields.sh field-has-hole)
10876+ %fn |($(sh sample.sh) $(sh product.sh))
10877+ %generic $(sh body.sh)
10884+ %face (shape-has-hole shape.f)
10885+ %bare (shape-has-hole shape.f)
10888+++ named-mold-has-hole
10892+ ?: &(?=(%mold -.i.ds) (shape-has-hole shape.i.ds)) &
10899+ %face (shape-has-hole shape.sam)
10900+ %bare (shape-has-hole shape.sam)
10901+ %cell (lien items.sam sample-has-hole)
10908+ %mold (shape-has-hole shape.d)
10909+ %value (expr-has-hole val.d)
10915+ %str (lien pieces.e |=(p=piece ?:(?=(%expr -.p) (expr-has-hole p.p) |)))
10916+ %qath (lien segs.e |=(p=qseg ?:(?=(%expr -.p) (expr-has-hole p.p) |)))
10917+ %change (lien edits.e |=(p=edit (expr-has-hole val.p)))
10920+ %group $(e inner.e)
10921+ %list (lien items.e expr-has-hole)
10922+ %tuple (lien items.e |=(i=item (expr-has-hole val.i)))
10923+ ?(%gate %gate-wide) |((sample-has-hole sample.e) $(e body.e))
10924+ %cast |((shape-has-hole shape.e) $(e val.e))
10925+ %call |($(e head.e) (lien args.e expr-has-hole))
10926+ %trace |($(e val.e) $(e then.e))
10927+ %branch |($(e subject.e) (lien arms.e |=(a=arm (expr-has-hole val.a))))
10928+ %body |((lien defs.e def-has-hole) $(e final.e))
10931+++ hole-values-present
10932+ |= [ds=(list def) env=ienv]
10935+ ?. ?=(%value -.i.ds) $(ds t.ds)
10936+ ?: (expr-has-hole val.i.ds)
10937+ ?. ?=(^ (ienv-lookup name.i.ds env)) |
5624++ show-partial-mold
10940++ show-partial-mold
5625 |= [file=path src=@t d=def molds=imolds]
10941 |= [file=path src=@t d=def molds=imolds]
5627 ?> ?=(%mold -.d)
10943 ?> ?=(%mold -.d)
5628 =/ sh=shape shape.d
10944 =/ sh=shape shape.d
10945+ =/ hole=(unit (unit span)) (simple-mold-hole sh)
10946+ ?: &(?=(^ hole) ?=(^ u.hole))
10947+ =/ text=@t (show-error src [file line.beg.u.u.hole col.beg.u.u.hole "unresolved type hole"])
10948+ (of-wain:format ~[(crip "+$ {(trip name.d)}: type hole needs a determined type") text])
5629 =? sh ?=(%generic -.sh) body.sh
10949 =? sh ?=(%generic -.sh) body.sh
5630 ?. ?=(%union -.sh) (crip "+$ {(trip name.d)}: not checked")
10950 ?. ?=(%union -.sh) (crip "+$ {(trip name.d)}: not checked")
5631 =/ pairs=(list upair) (union-pairs cases.sh molds)
10951 =/ pairs=(list upair) (union-pairs cases.sh molds)
5632 =/ overlapping=(list upair) (skim pairs |=(p=upair =(%overlap relation.p)))
10952 =/ overlapping=(list upair) (skim pairs |=(p=upair =(%overlap relation.p)))
10954+ ?^ overlapping overlapping
10955+ ?. (lien pairs |=(p=upair =(%unknown relation.p))) ~
10956+ =/ witness=(unit upair) (union-source-overlap cases.sh molds 256)
10957+ ?~(witness ~ ~[u.witness])
5633 ?^ overlapping
10958 ?^ overlapping
5634 =/ p=upair i.overlapping
10959 =/ p=upair i.overlapping
5635 =/ summary=@t (crip "+$ {(trip name.d)}: overlapping cases; mold not checked")
10960 =/ summary=@t (crip "+$ {(trip name.d)}: overlapping cases; mold not checked")
@@ -5637,7 +10962,9 @@
5637 =/ second=@t (show-error src [file line.beg.second.p col.beg.second.p "overlapping case"])
10962 =/ second=@t (show-error src [file line.beg.second.p col.beg.second.p "overlapping case"])
5638 (of-wain:format ~[summary first second])
10963 (of-wain:format ~[summary first second])
5639 ?: (lien pairs |=(p=upair =(%unknown relation.p)))
10964 ?: (lien pairs |=(p=upair =(%unknown relation.p)))
10965+ ?. (union-source-distinct-tags cases.sh molds 256)
5640− (crip "+$ {(trip name.d)}: case disjointness unresolved; mold not checked")
10966+ (crip "+$ {(trip name.d)}: case disjointness unresolved; mold not checked")
10967+ (crip "+$ {(trip name.d)}: cases proven disjoint; mold not checked")
5641 (crip "+$ {(trip name.d)}: cases proven disjoint; mold not checked")
10968 (crip "+$ {(trip name.d)}: cases proven disjoint; mold not checked")
5643:: +show-inference-diagnostic: a partial report with both source sites
10970:: +show-inference-diagnostic: a partial report with both source sites
@@ -5652,6 +10979,21 @@
5652 (show-error src [file line.beg.at.site col.beg.at.site note.site])
10979 (show-error src [file line.beg.at.site col.beg.at.site note.site])
5653 (of-wain:format [summary excerpts])
10980 (of-wain:format [summary excerpts])
10982+:: Both written field sites are shown in the source that declares them.
10983+++ show-duplicate-fields
10984+ |= [file=path src=@t diagnostic=idiag]
10986+ =/ excerpts=(list @t)
10987+ %+ turn sites.diagnostic
10988+ |= site=[at=span note=tape]
10989+ (show-error src [file line.beg.at.site col.beg.at.site note.site])
10990+ (of-wain:format [(crip msg.diagnostic) excerpts])
10992+++ duplicate-fields-report
10993+ |= [file=path src=@t diagnostic=idiag]
10995+ (of-wain:format ~['partial inference; module not checked' (show-duplicate-fields file src diagnostic)])
5655:: +golden-types: a partial report; it does not claim the module checks
10997:: +golden-types: a partial report; it does not claim the module checks
5657++ golden-types
10999++ golden-types
@@ -5670,21 +11012,2070 @@
5671 (golden-types-with-marks file src externals ~)
11013 (golden-types-with-marks file src externals ~)
11015+:: A supplied module is addressed by its logical /ui/.../name/jibb path.
11016+:: Interfaces are closed inference schemes, never raw source shapes.
11017+:: Recursive modules, APIs, derived gates and unsupported definitions do
11018+:: not yield an interface. The reachable graph is checked before the root.
11020++$ jsource [at=path source=@t]
11021++$ jbundle (list jsource)
11022++$ jcache (list [at=path iface=ifile])
11023++$ jfile-result (each [iface=ifile cache=jcache] @t)
11024+:: Overlap evidence retains the exact source that supplied its spans.
11025+:: Ordinary Jibb imports preserve this evidence through the resolver.
11026++$ jfile-overlap [file=path source=@t name=term cases=upair]
11027++$ jfile-failure [message=@t overlap=(unit jfile-overlap)]
11028++$ jfile-detailed-result (each [iface=ifile cache=jcache] jfile-failure)
11029++$ jimports-result (each [resolved=ijimports cache=jcache] @t)
11030+:: Preserve an imported overlap's original file and source across the graph.
11031++$ jimports-detailed-result (each [resolved=ijimports cache=jcache] jfile-failure)
11033+:: Written record fields each have their own lexical record scope.
11034++$ written-fields (map term span)
11035+++ duplicate-written-field
11036+ |= [name=term at=span seen=written-fields]
11038+ =/ prior=(unit span) (~(get by seen) name)
11040+ `["record field `{(trip name)}` is repeated" ~[[u.prior "first field"] [at "repeated field"]]]
11041+++ duplicate-shapes
11042+ |= xs=(list shape)
11045+ =/ first (duplicate-shape i.xs)
11048+++ duplicate-fields
11049+ |= [fields=(list field) seen=written-fields]
11052+ =/ f=field i.fields
11059+ =/ dup=(unit idiag) ?~(n ~ (duplicate-written-field u.n at.f seen))
11061+ =/ inner=(unit idiag)
11063+ %face (duplicate-shape shape.f)
11065+ %bare (duplicate-shape shape.f)
11068+ $(fields t.fields, seen ?~(n seen (~(put by seen) u.n at.f)))
11073+ %cell (duplicate-fields fields.s ~)
11074+ %apply (duplicate-shapes args.s)
11075+ %union (duplicate-shapes cases.s)
11077+ =/ left (duplicate-shape sample.s)
11079+ (duplicate-shape product.s)
11080+ %generic (duplicate-shape body.s)
11083+++ duplicate-samples
11084+ |= [items=(list sample) seen=written-fields]
11087+ =/ a=sample i.items
11095+ =/ dup=(unit idiag) ?~(n ~ (duplicate-written-field u.n at.a seen))
11097+ =/ inner (duplicate-sample a)
11099+ $(items t.items, seen ?~(n seen (~(put by seen) u.n at.a)))
11100+++ duplicate-sample
11104+ %cell (duplicate-samples items.s ~)
11105+ %face (duplicate-shape shape.s)
11106+ %bare (duplicate-shape shape.s)
11113+ =/ first (duplicate-expr i.xs)
11117+ |= [items=(list item) seen=written-fields]
11121+ =/ dup=(unit idiag) ?~(face.a ~ (duplicate-written-field u.face.a at.a seen))
11123+ =/ inner (duplicate-expr val.a)
11125+ $(items t.items, seen ?~(face.a seen (~(put by seen) u.face.a at.a)))
11126+++ duplicate-pieces
11127+ |= pieces=(list piece)
11130+ =/ first=(unit idiag) ?:(?=(%expr -.i.pieces) (duplicate-expr p.i.pieces) ~)
11132+ $(pieces t.pieces)
11134+ |= segs=(list qseg)
11137+ =/ first=(unit idiag) ?:(?=(%expr -.i.segs) (duplicate-expr p.i.segs) ~)
11141+ |= edits=(list edit)
11144+ =/ first (duplicate-expr val.i.edits)
11148+ |= arms=(list arm)
11151+ =/ first (duplicate-expr val.i.arms)
11155+ |= defs=(list def)
11158+ =/ first=(unit idiag)
11160+ %mold (duplicate-shape shape.i.defs)
11161+ %value (duplicate-expr val.i.defs)
11169+ %str (duplicate-pieces pieces.e)
11170+ %qath (duplicate-qsegs segs.e)
11171+ %change (duplicate-edits edits.e)
11172+ %pair (duplicate-expr val.e)
11173+ %unit (duplicate-expr val.e)
11174+ %group (duplicate-expr inner.e)
11175+ %list (duplicate-exprs items.e)
11176+ %tuple (duplicate-items items.e ~)
11178+ =/ first (duplicate-sample sample.e)
11180+ (duplicate-expr body.e)
11182+ =/ first (duplicate-sample sample.e)
11184+ (duplicate-expr body.e)
11186+ =/ first (duplicate-shape shape.e)
11188+ (duplicate-expr val.e)
11190+ =/ first (duplicate-expr head.e)
11192+ (duplicate-exprs args.e)
11194+ =/ first (duplicate-expr val.e)
11196+ (duplicate-expr then.e)
11198+ =/ first (duplicate-expr subject.e)
11200+ (duplicate-arms arms.e)
11202+ =/ first (duplicate-defs defs.e)
11204+ (duplicate-expr final.e)
11207+++ import-binding-names
11208+ |= imports=(list import)
11213+ %jibb face.i.imports
11214+ %sur name.i.imports
11215+ %mark mark.i.imports
11217+ [n $(imports t.imports)]
11219+++ reserved-proj-sample
11223+ %bind =(name.sam %proj)
11224+ %face =(name.sam %proj)
11225+ %pun =(name.sam %proj)
11226+ %cell (lien items.sam reserved-proj-sample)
11229+++ reserved-proj-pattern
11233+ %bind =(name.p %proj)
11234+ %cell (lien items.p reserved-proj-pattern)
11237+++ reserved-proj-def
11240+ ?: =(name.d %proj) &
11241+ ?: ?=(%value -.d) (reserved-proj-expr val.d)
11243+++ reserved-proj-expr
11247+ %str (lien pieces.e |=(p=piece ?:(?=(%expr -.p) (reserved-proj-expr p.p) |)))
11248+ %qath (lien segs.e |=(p=qseg ?:(?=(%expr -.p) (reserved-proj-expr p.p) |)))
11249+ %change (lien edits.e |=(p=edit (reserved-proj-expr val.p)))
11252+ %group $(e inner.e)
11253+ %list (lien items.e reserved-proj-expr)
11254+ %tuple (lien items.e |=(i=item (reserved-proj-expr val.i)))
11255+ ?(%gate %gate-wide) |((reserved-proj-sample sample.e) $(e body.e))
11257+ %call |($(e head.e) (lien args.e reserved-proj-expr))
11258+ %trace |($(e val.e) $(e then.e))
11259+ %branch |($(e subject.e) (lien arms.e |=(a=arm |((reserved-proj-pattern pat.a) (reserved-proj-expr val.a)))))
11260+ %body |((lien defs.e reserved-proj-def) $(e final.e))
11264+++ module-has-reserved-proj
11267+ =/ imported=(list term) (import-binding-names imports.mod)
11268+ =/ vals=(list term) (global-value-names defs.mod)
11269+ =/ molds=imolds (collect-simple-molds defs.mod)
11270+ =/ mold-names=(list term) (turn molds |=(m=[name=term body=shape] name.m))
11271+ |((lien (weld imported (weld vals mold-names)) |=(n=term =(n %proj))) (lien defs.mod reserved-proj-def))
11273+++ module-scope-valid
11274+ |= [mod=module prelude-values=(list term) prelude-molds=(list term)]
11276+ =/ imported=(list term) (import-binding-names imports.mod)
11277+ =/ vals=(list term) (global-value-names defs.mod)
11278+ =/ molds=imolds (collect-simple-molds defs.mod)
11279+ =/ mold-names=(list term) (turn molds |=(m=[name=term body=shape] name.m))
11280+ ?: (module-has-reserved-proj mod) |
11281+ ?. %+ levy imported
11283+ &((unique-value-name n imported) !(lien vals |=(v=term =(n v))) !(lien mold-names |=(m=term =(n m))) !(lien prelude-values |=(v=term =(n v))) !(lien prelude-molds |=(m=term =(n m))))
11285+ ?. (levy vals |=(n=term &((unique-value-name n vals) !(lien prelude-values |=(v=term =(n v)))))) |
11286+ (levy mold-names |=(n=term &((unique-value-name n mold-names) !(lien prelude-molds |=(m=term =(n m))))))
11288+:: In an API file or before main's kind is known, a lone `+$ poke`
11289+:: may be a declaration rather than a mold that shadows the prelude. Do not call
11290+:: that one collision definite, and do not hide unrelated scope errors.
11291+++ pending-declared-poke
11292+ |= [at=path mod=module prelude-values=(list term) prelude-molds=(list term)]
11294+ ?. (lien prelude-molds |=(n=term =(%poke n))) |
11295+ ?. |(?=([%ui %api @ %jibb ~] at) (lien defs.mod |=(d=def &(?=(%value -.d) =(%main name.d))))) |
11296+ =/ pokes=(list def)
11297+ (skim defs.mod |=(d=def &(?=(%mold -.d) =(%poke name.d))))
11300+ =/ remaining=(list def)
11301+ (skim defs.mod |=(d=def !&(?=(%mold -.d) =(%poke name.d))))
11302+ (module-scope-valid mod(defs remaining) prelude-values prelude-molds)
11304+:: A detailed failure is attached only to the first mold that actually
11305+:: failed in this check, using that module's checked source mold table.
11306++$ imold-failure [message=@t overlap=(unit [name=term cases=upair])]
11307+:: Validate a generic wrapper without an unbounded duplicate-name pass.
11308+++ module-mold-params-valid
11309+ |= [vars=(list @t) seen=(set @t) fuel=@ud]
11313+ ?: (~(has in:..zuse seen) i.vars) |
11314+ $(vars t.vars, seen (~(put in:..zuse seen) i.vars), fuel (dec fuel))
11315+++ module-mold-overlap
11316+ |= [m=[name=term body=shape] molds=imolds]
11318+ =/ sh=shape body.m
11320+ ?. ?=(%generic -.sh) &
11322+ (module-mold-params-valid vars.sh *(set @t) 256)
11324+ =? sh ?=(%generic -.sh) body.sh
11325+ ?. ?=(%union -.sh) ~
11326+ (union-source-overlap cases.sh molds 256)
11327+++ module-mold-types-detail
11328+ |= [molds=imolds state=istate]
11329+ ^- (each imold-types imold-failure)
11331+ =/ m=[name=term body=shape] i.molds
11332+ =/ t=(unit [template=ischeme state=istate])
11333+ (infer-mold-template body.m state(active [name.m active.state], in-mold &))
11335+ =/ overlap=(unit upair) (module-mold-overlap m molds.state)
11336+ [%| ['module mold needs unsupported inference' ?~(overlap ~ `[name.m u.overlap])]]
11337+ =. typ.template.u.t (label-direct-union typ.template.u.t body.m name.m state)
11338+ =/ rest=(each imold-types imold-failure) $(molds t.molds)
11339+ ?: ?=(%| -.rest) rest
11340+ [%& [[name.m template.u.t] p.rest]]
11341+++ module-mold-types
11342+ |= [molds=imolds state=istate]
11343+ ^- (each imold-types @t)
11345+ =/ m=[name=term body=shape] i.molds
11346+ =/ t=(unit [template=ischeme state=istate])
11347+ (infer-mold-template body.m state(active [name.m active.state], in-mold &))
11348+ ?~ t [%| 'module mold needs unsupported inference']
11349+ =. typ.template.u.t (label-direct-union typ.template.u.t body.m name.m state)
11350+ =/ rest=(each imold-types @t) $(molds t.molds)
11351+ ?: ?=(%| -.rest) rest
11352+ [%& [[name.m template.u.t] p.rest]]
11354+:: Prepare a provisional interface from the trusted vendored source.
11355+:: Every declared name remains reserved, but only molds and values this
11356+:: fragment can infer are usable. Unsupported bodies are not validated.
11357+:: An optional internal source supplies the prelude's one supported import;
11358+:: clients cannot import that path directly. Named unions retain their origin.
11360+:: Recognize only the complete standard prelude list shape. Its recursive
11361+:: tail uses the same parameter and the unqualified list name. The reader
11362+:: verifies Hoon's list provenance before producing the same collection type.
11363+:: The prelude source and reader output are trusted caller inputs.
11365+++ standard-prelude-list
11368+ ?. ?=(%generic -.sh) |
11371+ =/ var=@t i.vars.sh
11372+ ?. ?=(%union -.body.sh) |
11373+ =/ cs=(list shape) cases.body.sh
11377+ ?. ?=(%const -.i.cs) |
11378+ ?. =(%null form.lit.i.cs) |
11379+ ?. ?=(%cell -.i.t.cs) |
11380+ =/ fs=(list field) fields.i.t.cs
11384+ ?. ?=(%face -.i.fs) |
11385+ ?. =(%i name.i.fs) |
11386+ ?. ?=(%tvar -.shape.i.fs) |
11387+ ?. =(var name.shape.i.fs) |
11388+ ?. ?=(%face -.i.t.fs) |
11389+ ?. =(%t name.i.t.fs) |
11390+ =/ tail=shape shape.i.t.fs
11391+ ?. ?=(%apply -.tail) |
11392+ ?. =(~[%list] ref.tail) |
11395+ ?. ?=(%tvar -.i.args.tail) |
11396+ =(var name.i.args.tail)
11399+ |= [typ=itype name=term vars=(list @ud)]
11401+ ?: ?=(%jrec -.typ) typ(label `name)
11402+ ?: ?=(%grec -.typ)
11403+ ?. (identity-union-parameters vars args.typ) typ(label ~)
11405+ ?. ?=(%union -.typ) typ
11406+ ?. (identity-union-parameters vars args.typ)
11408+ ?: =(at.u.origin.typ /lib/jibb/internal/jibb) typ(label ~)
11412+++ partial-prelude-molds
11413+ |= [molds=imolds state=istate]
11416+ =/ m=[name=term body=shape] i.molds
11417+ ?: &(=(at.state /lib/jibb/prelude/jibb) =(%list name.m))
11418+ ?. (standard-prelude-list body.m) $(molds t.molds)
11419+ [[%list [[%collection %list ~[[%var 0]]] ~[0]]] $(molds t.molds)]
11420+ =/ out=(unit [template=ischeme state=istate])
11421+ (infer-mold-template body.m state(active [name.m active.state], in-mold &))
11422+ ?~ out $(molds t.molds)
11423+ =. typ.template.u.out (label-direct-union typ.template.u.out body.m name.m state)
11424+ =. typ.template.u.out (prelude-label typ.template.u.out name.m vars.template.u.out)
11425+ [[name.m template.u.out] $(molds t.molds)]
11427+:: A compiler-owned interface available only to the dedicated
11428+:: internal-prelude preparation path, never the ordinary module resolver.
11429+++ private-primitive-interface
11431+ =/ a=itype [%avar 0]
11432+ =/ pair=itype [%cell a a]
11433+ =/ b=itype [%rvar 0]
11434+ =/ plus=ischeme [[%fn [%cell b b] b] ~[0]]
11435+ =/ minus=ischeme [[%fn b b] ~[0]]
11436+ =/ greater=ischeme [[%fn pair [%flag ~]] ~[0]]
11437+ =/ utf8=itype [%atom 'tD']
11438+ =/ tape=itype [%collection %list ~[utf8]]
11439+ =/ codepoints=itype [%collection %list ~[[%atom %c]]]
11440+ =/ text-trip=ischeme [[%fn [%atom %t] tape] ~]
11441+ =/ text-tuba=ischeme [[%fn tape codepoints] ~]
11442+ [~[[%raw-add plus] [%raw-dec minus] [%raw-gth greater] [%raw-trip text-trip] [%raw-tuba text-tuba]] ~ /lib/jibb/primitives/jibb ~ ~ ~ ~ ~]
11444+++ infer-private-internal
11445+ |= [src=@t public-source=@t]
11447+ =/ at=path /lib/jibb/internal/jibb
11448+ =/ parsed (parse at src)
11449+ ?: ?=(%| -.parsed) ~
11450+ =/ mod=module p.parsed
11451+ ?^ (duplicate-defs defs.mod) ~
11453+ =/ built=jfile-result (infer-jibb-file at src ~ ~ ~ ~[at] ~ ~ ~ ~)
11454+ ?: ?=(%| -.built) ~
11456+ ?. ?=([[%jibb *] ~] imports.mod) ~
11457+ ?. =(path.i.imports.mod /lib/jibb/primitives) ~
11458+ ?. (module-scope-valid mod ~ ~) ~
11459+ =/ vals=(list term) (global-value-names defs.mod)
11460+ ?: (lien vals |=(n=term =(n %main))) ~
11461+ =/ molds=imolds (collect-simple-molds defs.mod)
11462+ =/ globals=(list term) (weld (import-binding-names imports.mod) vals)
11463+ :: The private source can use the public list and unit molds before the
11464+ :: prelude is otherwise prepared. Re-read the trusted public source here
11465+ :: and admit only its validated canonical templates; do not accept schemes
11466+ :: supplied independently by the caller.
11467+ =/ public=(each module error) (parse /lib/jibb/prelude/jibb public-source)
11468+ ?: ?=(%| -.public) ~
11469+ ?^ (duplicate-defs defs.p.public) ~
11470+ ?. (module-scope-valid p.public ~ ~) ~
11471+ =/ source-molds=imolds (collect-simple-molds defs.p.public)
11472+ =/ written-list=(unit shape) (find-simple-mold %list source-molds)
11473+ =/ source-list=(unit ischeme)
11475+ ?. (standard-prelude-list u.written-list) ~
11476+ `[[%collection %list ~[[%var 0]]] ~[0]]
11477+ :: Derive the public unit template from its actual source, then compare
11478+ :: the complete nominal template before making it available privately.
11479+ =/ unit-decl=(unit shape) (find-simple-mold %unit source-molds)
11480+ =/ source-unit=(unit ischeme)
11482+ =/ unit-molds=imolds ~[[%unit u.unit-decl]]
11483+ =/ unit-state=istate [0 ~ ~ ~ unit-molds ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | /lib/jibb/prelude/jibb ~[%unit] ~ ~ 256 ~ ~ ~ ~ ~ ~]
11484+ =/ unit-types=imold-types (partial-prelude-molds unit-molds unit-state)
11485+ =/ unit-iface=ifile [~ unit-types /lib/jibb/prelude/jibb ~ ~ ~ ~ ~]
11486+ =/ found=(unit ischeme) (find-jibb-mold %unit unit-iface)
11488+ ?. (standard-unit-template u.found /lib/jibb/prelude/jibb) ~
11490+ =/ primitive=ifile private-primitive-interface
11491+ =? primitive ?=(^ source-list)
11492+ primitive(molds [[%list u.source-list] molds.primitive])
11493+ =? primitive ?=(^ source-unit)
11494+ primitive(molds [[%unit u.source-unit] molds.primitive])
11495+ =/ js=ijimports ~[[face.i.imports.mod primitive]]
11496+ =/ reserved=(list term) ~[face.i.imports.mod]
11497+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
11498+ =/ state=istate [0 ~ ~ ~ molds globals ~ ~ ~ ~ js reserved ~ ~ ~ | at top ~ ~ 256 ~ ~ ~ ~ ~ ~]
11499+ =/ mts=(each imold-types @t) (module-mold-types molds state)
11500+ =/ usable=(unit imold-types)
11501+ ?: ?=(%& -.mts) `p.mts
11502+ :: Missing public templates may make an unrelated internal mold
11503+ :: unavailable. Validate all molds once with isolated canonical
11504+ :: templates before admitting only those inferred using the actual
11505+ :: source-backed templates. The proof interface is never exported.
11506+ ?. |(?=(~ source-list) ?=(~ source-unit)) ~
11507+ =/ nil=itype [%const [%null %n 0 '~']]
11508+ =/ canonical-unit=ischeme
11509+ [[%union ~[nil [%cell nil [%face %u [%var 0]]]] `[/lib/jibb/prelude/jibb %unit] `%unit ~[[%var 0]]] ~[0]]
11510+ =/ canonical-list=ischeme [[%collection %list ~[[%var 0]]] ~[0]]
11511+ =/ proof-primitive=ifile private-primitive-interface
11512+ =. molds.proof-primitive ~[[%list canonical-list] [%unit canonical-unit]]
11513+ =/ proof-imports=ijimports ~[[face.i.imports.mod proof-primitive]]
11514+ =/ proof=(each imold-types @t) (module-mold-types molds state(jimports proof-imports))
11515+ ?: ?=(%| -.proof) ~
11516+ `(partial-prelude-molds molds state)
11518+ =/ resolution=iresolved (resolve-groups defs.mod molds globals ~ ~ ~ ~ js reserved at ~)
11519+ =/ env=ienv env.resolution
11520+ ?. (module-values-complete defs.mod env) ~
11521+ `[env u.usable at ~ artifacts.resolution ~ `src ~]
11523+++ partial-prelude-interface-with-internal
11524+ |= [src=@t internal-source=(unit @t)]
11527+ =/ at=path /lib/jibb/prelude/jibb
11528+ =/ parsed (parse at src)
11529+ ?: ?=(%| -.parsed) ~
11530+ ?: (named-mold-has-hole defs.p.parsed) ~
11531+ ?^ (duplicate-defs defs.p.parsed) ~
11532+ =/ private=(unit ijimports)
11533+ ?~ imports.p.parsed `~
11534+ ?. ?=([[%jibb *] ~] imports.p.parsed) ~
11535+ ?. =(path.i.imports.p.parsed /lib/jibb/internal) ~
11536+ ?~ internal-source ~
11537+ =/ built=(unit ifile) (infer-private-internal u.internal-source src)
11539+ `~[[face.i.imports.p.parsed u.built]]
11541+ ?~ defs.p.parsed ~
11542+ ?. (module-scope-valid p.parsed ~ ~) ~
11543+ =/ ds=(list def) defs.p.parsed
11544+ =/ molds=imolds (collect-simple-molds ds)
11545+ =/ names=(list term) (turn molds |=(m=[name=term body=shape] name.m))
11546+ =/ globals=(list term) (weld (import-binding-names imports.p.parsed) (global-value-names ds))
11547+ :: Remove raw list before inferring any template, so an altered list
11548+ :: cannot leak through an alias. Its name remains reserved either way.
11549+ =/ declared=? (lien names |=(name=term =(%list name)))
11550+ =/ env-molds=imolds molds
11551+ =? env-molds declared
11552+ (skim molds |=(m=[name=term body=shape] !=(%list name.m)))
11553+ =/ reserved=(list term) ?:(declared ~[%list] ~)
11554+ =/ state=istate [0 ~ ~ ~ env-molds globals ~ ~ ~ ~ u.private reserved ~ ~ ~ | at names ~ ~ 256 ~ ~ ~ ~ ~ ~]
11555+ :: Other prelude molds may use list only after its source has passed
11556+ :: the standard-list check. The raw declaration remains removed.
11557+ =/ declared-list=(unit shape) (find-simple-mold %list molds)
11558+ =/ mold-prelude=(unit ifile)
11559+ ?~ declared-list ~
11560+ ?. (standard-prelude-list u.declared-list) ~
11561+ `[~ ~[[%list [[%collection %list ~[[%var 0]]] ~[0]]]] at ~ ~ ~ ~ ~]
11562+ =/ mt=imold-types (partial-prelude-molds molds state(prelude mold-prelude))
11563+ =/ partial=ifile [~ mt at ~ ~ ~ ~ ~]
11564+ :: An explicitly qualified re-export must resolve. Other unsupported
11565+ :: prelude declarations remain reserved but absent from the interface.
11566+ =/ required=imolds
11568+ |= m=[name=term body=shape]
11569+ =/ sh=shape body.m
11570+ ?. ?=(%ref -.sh) |
11573+ ?. (levy required |=(m=[name=term body=shape] ?=(^ (find-jibb-mold name.m partial)))) ~
11574+ =/ resolution=iresolved (resolve-groups ds env-molds globals ~ ~ ~ ~ u.private reserved at `partial)
11575+ =/ env=ienv env.resolution
11576+ ?. (hole-values-present ds env) ~
11577+ =/ deps=(list iwidth-dependency)
11579+ ~[[at.interface.i.u.private source.interface.i.u.private elaborations.interface.i.u.private]]
11580+ `[env mt at ~ artifacts.resolution deps `src ~]
11582+++ partial-prelude-interface
11585+ (partial-prelude-interface-with-internal src ~)
11587++$ iprelude [iface=ifile values=(list term) molds=(list term)]
11591+ ^- (unit iprelude)
11592+ =/ iface=(unit ifile) (partial-prelude-interface src)
11594+ =/ parsed (parse /lib/jibb/prelude/jibb src)
11595+ ?: ?=(%| -.parsed) ~
11596+ =/ vals=(list term) (global-value-names defs.p.parsed)
11597+ =/ ms=(list term) (turn (collect-simple-molds defs.p.parsed) |=(m=[name=term body=shape] name.m))
11598+ `[u.iface vals ms]
11600+++ prepare-prelude-with-internal
11601+ |= [src=@t internal-source=@t]
11602+ ^- (unit iprelude)
11603+ =/ iface=(unit ifile) (partial-prelude-interface-with-internal src `internal-source)
11605+ =/ parsed (parse /lib/jibb/prelude/jibb src)
11606+ ?: ?=(%| -.parsed) ~
11607+ =/ vals=(list term) (global-value-names defs.p.parsed)
11608+ =/ ms=(list term) (turn (collect-simple-molds defs.p.parsed) |=(m=[name=term body=shape] name.m))
11609+ `[u.iface vals ms]
11611+++ module-values-complete
11612+ |= [ds=(list def) env=ienv]
11615+ ?: ?=(%mold -.i.ds) $(ds t.ds)
11616+ ?~ (ienv-lookup name.i.ds env) |
11619+:: Cache only completed interfaces for this invocation. The source bundle,
11620+:: imported Hoon types and prelude are fixed for the whole graph. Check the
11621+:: active path and duplicate sources before consulting it, so a cache hit
11622+:: cannot hide a cycle or ambiguous source.
11625+ |= [at=path cache=jcache]
11628+ ?: =(at at.i.cache) `iface.i.cache
11631+:: These certificates retain the complete checked source closure. The
11632+:: trusted host must supply the identical prepared prelude and reader nouns.
11633+:: Exact bundle equality binds all source paths and versions; the set
11634+:: retains transitive paths for active-cycle checks. Request-bearing graphs
11635+:: alone have a size limit; incompatible diamond evidence fails closed.
11636+++ request-graph-requests-add
11637+ |= [pending=(list irequest-evidence) acc=(list irequest-evidence) fuel=@ud]
11638+ ^- (unit (list irequest-evidence))
11641+ =/ hit=(list irequest-evidence)
11642+ (skim acc |=(x=irequest-evidence &(=(api-at.x api-at.i.pending) =(name.x name.i.pending))))
11644+ ?. ?=([* ~] hit) ~
11645+ ?. =(i.hit i.pending) ~
11646+ $(pending t.pending, fuel (dec fuel))
11647+ $(pending t.pending, acc [i.pending acc], fuel (dec fuel))
11648+++ request-graph-inputs-match
11649+ |= [g=irequest-graph externals=iexternals marks=imark-externals modules=jbundle values=(list term) molds=(list term) prelude=(unit ifile)]
11651+ ?& =(bundle-input.g modules)
11652+ =(prelude-input.g prelude)
11653+ =(prelude-values.g values)
11654+ =(prelude-molds.g molds)
11655+ =(externals.g externals)
11658+++ request-graph-merge
11659+ |= [imports=ijimports g=irequest-graph fuel=@ud]
11660+ ^- (unit irequest-graph)
11663+ =/ child=ifile interface.i.imports
11665+ =/ cg=irequest-graph u.graph.child
11666+ ?. ?& =(bundle-input.g bundle-input.cg)
11667+ =(prelude-input.g prelude-input.cg)
11668+ =(prelude-values.g prelude-values.cg)
11669+ =(prelude-molds.g prelude-molds.cg)
11670+ =(externals.g externals.cg)
11671+ =(marks.g marks.cg)
11674+ =/ merged=(set path) (~(uni in:..zuse paths.g) paths.cg)
11675+ =/ rs=(unit (list irequest-evidence))
11676+ (request-graph-requests-add requests.cg requests.g (add 1 (lent requests.cg)))
11678+ ?: &(?=(^ u.rs) |((gth (lent ~(tap in:..zuse merged)) 256) (gth (lent u.rs) 256))) ~
11679+ $(imports t.imports, g g(paths merged, requests u.rs), fuel (dec fuel))
11680+++ request-graph-reusable
11681+ |= [f=ifile src=@t externals=iexternals marks=imark-externals modules=jbundle active=(list path) values=(list term) molds=(list term) prelude=(unit ifile)]
11684+ ?. =(u.source.f src) |
11686+ =/ g=irequest-graph u.graph.f
11687+ ?. (request-graph-inputs-match g externals marks modules values molds prelude) |
11688+ ?. (~(has in:..zuse paths.g) at.f) |
11689+ !(lien active |=(p=path (~(has in:..zuse paths.g) p)))
11691+++ resolve-jibb-imports
11692+ |= [imports=(list import) externals=iexternals mark-externals=imark-externals modules=jbundle active=(list path) prelude-values=(list term) prelude-molds=(list term) cache=jcache prelude=(unit ifile)]
11693+ ^- jimports-result
11694+ =/ result=jimports-detailed-result
11695+ (resolve-jibb-imports-detailed imports externals mark-externals modules active prelude-values prelude-molds cache prelude)
11696+ ?: ?=(%| -.result) [%| message.p.result]
11698+++ resolve-jibb-imports-detailed
11699+ |= [imports=(list import) externals=iexternals mark-externals=imark-externals modules=jbundle active=(list path) prelude-values=(list term) prelude-molds=(list term) cache=jcache prelude=(unit ifile)]
11700+ ^- jimports-detailed-result
11701+ ?~ imports [%& [~ cache]]
11702+ ?. ?=(%jibb -.i.imports) $(imports t.imports)
11703+ =/ at=path (weld path.i.imports `path`~[%jibb])
11704+ ?: =(at /lib/jibb/internal/jibb)
11705+ [%| ['the prelude internal module is private' ~]]
11706+ ?: =(at /lib/jibb/primitives/jibb)
11707+ [%| ['the prelude primitive interface is private' ~]]
11708+ ?: (lien active |=(p=path =(p at)))
11709+ [%| [(crip "import cycle at {(spud at)}") ~]]
11710+ =/ found=jbundle (skim modules |=(m=jsource =(at at.m)))
11711+ ?~ found [%| [(crip "module source missing: {(spud at)}") ~]]
11712+ ?^ t.found [%| [(crip "duplicate module sources: {(spud at)}") ~]]
11713+ =/ cached=(unit ifile) (find-jibb-cache at cache)
11714+ =/ iface=jfile-detailed-result
11716+ ?. =(at.u.cached at) [%| ['cached module identity needs unsupported inference' ~]]
11718+ :: A detached legacy interface has unknown evidence. Rebuild it
11719+ :: against the current graph, without retaining any stale entry.
11720+ =/ clean=jcache (skim cache |=(x=[at=path iface=ifile] !=(at.x at)))
11721+ (infer-jibb-file-detailed at source.i.found externals mark-externals modules [at active] prelude-values prelude-molds clean prelude)
11722+ ?. (request-graph-reusable u.cached source.i.found externals mark-externals modules active prelude-values prelude-molds prelude)
11723+ [%| ['cached module evidence needs unsupported inference' ~]]
11724+ [%& [u.cached cache]]
11725+ (infer-jibb-file-detailed at source.i.found externals mark-externals modules [at active] prelude-values prelude-molds cache prelude)
11726+ ?: ?=(%| -.iface) [%| p.iface]
11727+ =/ rest=jimports-detailed-result $(imports t.imports, cache cache.p.iface)
11728+ ?: ?=(%| -.rest) rest
11729+ [%& [[[face.i.imports iface.p.iface] resolved.p.rest] cache.p.rest]]
11731+:: Provisional declaration extraction only; this does not derive asks,
11732+:: validate imported types, or claim that an API module has checked.
11733++$ iapi-path [at=span name=term segments=(list pseg) full=term diffs=(list term) scry=(unit (list pseg))]
11735+ |= [sh=shape marks=(list term)]
11737+ ?. ?=(%ref -.sh) ~
11738+ ?. ?=([@ ~] names.sh) ~
11739+ ?. (unique-value-name i.names.sh marks) ~
11743+ |= [shapes=(list shape) marks=(list term) used=(list term)]
11744+ ^- (unit (list term))
11746+ =/ n=(unit term) (api-path-mark i.shapes marks)
11748+ ?: (lien used |=(x=term =(x u.n))) ~
11749+ =/ rest=(unit (list term)) $(shapes t.shapes, used [u.n used])
11753+++ api-path-payload
11754+ |= [sh=shape marks=(list term)]
11755+ ^- (unit [full=term diffs=(list term)])
11756+ =/ direct=(unit term) (api-path-mark sh marks)
11757+ ?^ direct `[u.direct ~]
11758+ ?. ?=(%apply -.sh) ~
11759+ ?. =(~[%facts] ref.sh) ~
11762+ =/ full=(unit term) (api-path-mark i.args.sh marks)
11764+ =/ diffs=(unit (list term)) (api-path-diffs t.args.sh marks ~[u.full])
11768++$ iapi-parameter [name=term aura=@ta at=span]
11769+++ api-path-parameters
11770+ |= [segments=(list pseg) seen=(list term)]
11771+ ^- (unit (list iapi-parameter))
11773+ ?: ?=(%knot -.i.segments) $(segments t.segments)
11774+ =/ seg=pseg i.segments
11775+ ?. ?=(%typed -.seg) ~
11776+ ?: =(0 aura.seg) ~
11777+ ?: (lien seen |=(n=term =(n name.seg))) ~
11778+ =/ rest=(unit (list iapi-parameter)) $(segments t.segments, seen [name.seg seen])
11780+ `[[name.seg aura.seg at.seg] u.rest]
11782+++ api-scry-parameters-compatible
11783+ |= [scry=(list iapi-parameter) watch=(list iapi-parameter)]
11786+ ?. (lien watch |=(p=iapi-parameter &(=(name.p name.i.scry) =(aura.p aura.i.scry)))) |
11790+ |= [sh=shape marks=(list term)]
11791+ ^- (unit iapi-path)
11792+ ?. ?=(%cell -.sh) ~
11793+ =/ fs=(list field) fields.sh
11797+ ?: (gth (lent fs) 4) ~
11798+ ?. ?=(%bare -.i.fs) ~
11799+ =/ tag=shape shape.i.fs
11800+ ?. ?=(%const -.tag) ~
11801+ ?. =(%term form.lit.tag) ~
11802+ =/ name=term val.lit.tag
11803+ ?. (jibb-face-name name) ~
11804+ ?. ?=(%bare -.i.t.fs) ~
11805+ =/ path-shape=shape shape.i.t.fs
11806+ ?. ?=(%path -.path-shape) ~
11807+ ?. ?=(%bare -.i.t.t.fs) ~
11808+ =/ payload=(unit [full=term diffs=(list term)]) (api-path-payload shape.i.t.t.fs marks)
11810+ =/ scry=(unit (unit (list pseg)))
11812+ =/ entry=field i.t.t.t.fs
11813+ ?. ?=(%face -.entry) ~
11814+ ?. =(%scry name.entry) ~
11815+ ?. ?=(%path -.shape.entry) ~
11816+ ``segs.shape.entry
11818+ =/ params=(unit (list iapi-parameter)) (api-path-parameters segs.path-shape ~)
11821+ =/ scry-params=(unit (list iapi-parameter)) (api-path-parameters u.u.scry ~)
11823+ ?. (api-scry-parameters-compatible u.scry-params u.params) ~
11824+ `[at.sh name segs.path-shape full.u.payload diffs.u.payload u.scry]
11825+ `[at.sh name segs.path-shape full.u.payload diffs.u.payload u.scry]
11828+ |= [shapes=(list shape) marks=(list term) seen=(list term)]
11829+ ^- (unit (list iapi-path))
11831+ =/ one=(unit iapi-path) (api-path-one i.shapes marks)
11833+ ?: (lien seen |=(n=term =(n name.u.one))) ~
11834+ =/ rest=(unit (list iapi-path)) $(shapes t.shapes, seen [name.u.one seen])
11838+++ api-path-declaration
11839+ |= [sh=shape marks=(list term)]
11840+ ^- (unit (list iapi-path))
11841+ ?: ?=(%union -.sh) (api-path-many cases.sh marks ~)
11842+ (api-path-many ~[sh] marks ~)
11844+:: Derived gates share the value namespace. /% marks name molds; /- and
11845+:: /= also introduce faces that cannot be shadowed by a derived value.
11846+++ api-import-faces
11847+ |= imports=(list import)
11851+ %mark $(imports t.imports)
11852+ %sur [name.i.imports $(imports t.imports)]
11853+ %jibb [face.i.imports $(imports t.imports)]
11856+++ api-derived-names-valid
11857+ |= [paths=(list iapi-path) poke-names=(list term) mod=module prelude-values=(list term)]
11859+ =/ path-names=(list term) (turn paths |=(p=iapi-path name.p))
11860+ =/ derived=(list term) (weld path-names poke-names)
11861+ ?: (lien derived |=(n=term =(n %proj))) |
11862+ =/ outer=(list term) (weld prelude-values (weld (global-value-names defs.mod) (api-import-faces imports.mod)))
11863+ (levy derived |=(n=term &((unique-value-name n derived) !(lien outer |=(x=term =(n x))))))
11865+:: Analysis only. Successful external entries must be unchanged results
11866+:: produced for the declared marks; no request interface is produced.
11867++$ iapi-mark-type [name=term typ=itype]
11868++$ iapi-path-typed [path=iapi-path full=itype diffs=(list iapi-mark-type)]
11870+ |= [names=(list term) externals=imark-externals declared=(list term)]
11871+ ^- (unit (list iapi-mark-type))
11873+ =/ typ=(unit itype) (find-imported-mark i.names externals declared)
11875+ =/ tail=(unit (list iapi-mark-type)) $(names t.names)
11877+ `[[i.names u.typ] u.tail]
11880+ |= [paths=(list iapi-path) externals=imark-externals declared=(list term)]
11881+ ^- (unit (list iapi-path-typed))
11883+ =/ full=(unit itype) (find-imported-mark full.i.paths externals declared)
11885+ =/ diffs=(unit (list iapi-mark-type)) (api-diff-types diffs.i.paths externals declared)
11887+ =/ tail=(unit (list iapi-path-typed)) $(paths t.paths)
11889+ `[[i.paths u.full u.diffs] u.tail]
11891+++ api-poke-mark-names
11892+ |= [pokes=(list def) declared=(list term)]
11893+ ^- (unit (list term))
11897+ ?. ?=(%mold -.d) ~
11898+ =/ sh=shape shape.d
11899+ ?: ?=(%union -.sh) (api-path-diffs cases.sh declared ~)
11900+ =/ name=(unit term) (api-path-mark sh declared)
11904+++ api-path-analysis
11905+ |= [mod=module externals=imark-externals prelude-values=(list term) prelude-molds=(list term)]
11906+ ^- (unit (list iapi-path-typed))
11907+ ?: (lien defs.mod def-has-hole) ~
11908+ ?^ (duplicate-defs defs.mod) ~
11909+ =/ ds=(list def) defs.mod
11910+ =/ declarations=(list def)
11911+ (skim ds |=(d=def &(?=(%mold -.d) =(%paths name.d))))
11912+ ?. ?=([* ~] declarations) ~
11913+ =/ pokes=(list def)
11914+ (skim ds |=(d=def &(?=(%mold -.d) =(%poke name.d))))
11915+ ?: (gth (lent pokes) 1) ~
11916+ =/ ordinary=(list def)
11917+ (skim ds |=(d=def !&(?=(%mold -.d) |(=(%paths name.d) =(%poke name.d)))))
11918+ ?. (module-scope-valid mod(defs ordinary) prelude-values prelude-molds) ~
11919+ =/ declared=(list term) (collect-mark-imports imports.mod)
11920+ =/ poke-names=(unit (list term)) (api-poke-mark-names pokes declared)
11922+ =/ decl=def i.declarations
11923+ ?> ?=(%mold -.decl)
11924+ =/ paths=(unit (list iapi-path)) (api-path-declaration shape.decl declared)
11926+ ?. (api-derived-names-valid u.paths u.poke-names mod prelude-values) ~
11927+ (api-path-types u.paths externals declared)
11929+:: Source/graph entry for path analysis only. The returned paths retain
11930+:: reader-derived mark types and import resolution has checked reachable
11931+:: Jibb dependencies. This is not an API interface or a module check.
11932+++ api-path-analysis-source
11933+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle prepared=(unit iprelude)]
11934+ ^- (each (list iapi-path-typed) @t)
11935+ ?. ?=([%ui %api @ %jibb ~] file) [%| 'API path analysis requires /ui/api/<agent>.jibb']
11936+ =/ parsed (parse file src)
11937+ ?: ?=(%| -.parsed) [%| 'API path source does not parse']
11938+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
11939+ ?^ duplicate [%| (show-duplicate-fields file src u.duplicate)]
11940+ ?~ prepared [%| 'API path analysis needs the prepared prelude']
11941+ =/ prelude=(unit ifile) `iface.u.prepared
11942+ =/ deps=jimports-result
11943+ (resolve-jibb-imports imports.p.parsed externals marks modules ~[file] values.u.prepared molds.u.prepared ~ prelude)
11944+ ?: ?=(%| -.deps) [%| p.deps]
11945+ =/ paths=(unit (list iapi-path-typed))
11946+ (api-path-analysis p.parsed marks values.u.prepared molds.u.prepared)
11947+ ?~ paths [%| 'API path declaration needs unsupported analysis']
11950+:: Analysis evidence retains the API source, the prepared interface, the
11951+:: caller's reader results and the resolved Jibb dependency cache alongside
11952+:: the typed path declarations. Reader results and prepared interfaces are
11953+:: trusted inputs: this does not verify their underlying Hoon source/version,
11954+:: create requests or check the provenance of arbitrary values.
11955++$ iapi-path-evidence
11956+ [at=path source=@t prepared=iprelude externals=iexternals marks=imark-externals dependencies=jcache paths=(list iapi-path-typed)]
11957+++ api-path-evidence-source
11958+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle prepared=(unit iprelude)]
11959+ ^- (each iapi-path-evidence @t)
11960+ ?. ?=([%ui %api @ %jibb ~] file) [%| 'API path evidence requires /ui/api/<agent>.jibb']
11961+ =/ parsed (parse file src)
11962+ ?: ?=(%| -.parsed) [%| 'API path evidence source does not parse']
11963+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
11964+ ?^ duplicate [%| (show-duplicate-fields file src u.duplicate)]
11965+ ?~ prepared [%| 'API path evidence needs the prepared prelude']
11966+ =/ public=ifile iface.u.prepared
11967+ =/ deps=jimports-result
11968+ (resolve-jibb-imports imports.p.parsed externals marks modules ~[file] values.u.prepared molds.u.prepared ~ `public)
11969+ ?: ?=(%| -.deps) [%| p.deps]
11970+ =/ paths=(unit (list iapi-path-typed))
11971+ (api-path-analysis p.parsed marks values.u.prepared molds.u.prepared)
11972+ ?~ paths [%| 'API path declaration needs unsupported analysis']
11973+ [%& [file src u.prepared externals marks cache.p.deps u.paths]]
11974+:: Graph-aware variant preserves the caller active stack and cache.
11975+++ api-path-evidence-graph
11976+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle active=(list path) cache=jcache prepared=(unit iprelude)]
11977+ ^- (each iapi-path-evidence @t)
11978+ ?~ active [%| 'API analysis needs an active graph']
11979+ ?. =(i.active file) [%| 'API analysis active graph does not start at the source']
11980+ ?: (lien t.active |=(p=path =(p file))) [%| 'API analysis active graph contains a cycle']
11981+ ?. ?=([%ui %api @ %jibb ~] file) [%| 'API path evidence requires /ui/api/<agent>.jibb']
11982+ =/ parsed (parse file src)
11983+ ?: ?=(%| -.parsed) [%| 'API path evidence source does not parse']
11984+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
11985+ ?^ duplicate [%| (show-duplicate-fields file src u.duplicate)]
11986+ ?~ prepared [%| 'API path evidence needs the prepared prelude']
11987+ =/ public=ifile iface.u.prepared
11988+ =/ deps=jimports-result
11989+ (resolve-jibb-imports imports.p.parsed externals marks modules active values.u.prepared molds.u.prepared cache `public)
11990+ ?: ?=(%| -.deps) [%| p.deps]
11991+ =/ paths=(unit (list iapi-path-typed))
11992+ (api-path-analysis p.parsed marks values.u.prepared molds.u.prepared)
11993+ ?~ paths [%| 'API path declaration needs unsupported analysis']
11994+ [%& [file src u.prepared externals marks cache.p.deps u.paths]]
11996+:: This query classifies a unique path declaration only. Missing evidence
11997+:: or a nonunique name is unknown; it proves nothing about an ask value.
11998+:: Like prepared interfaces, the supplied evidence is a trusted host input.
11999+++ api-path-watchability
12000+ |= [evidence=(unit iapi-path-evidence) case-name=term]
12001+ ^- ?(%watchable %not-watchable %unknown)
12002+ ?~ evidence %unknown
12003+ =/ found=(list iapi-path-typed)
12004+ (skim paths.u.evidence |=(p=iapi-path-typed =(name.path.p case-name)))
12005+ ?. ?=([* ~] found) %unknown
12006+ ?~ scry.path.i.found %watchable
12009+:: These are declaration-derived request components, not a callable gate,
12010+:: an ask value, or proof of a value's provenance. Keep the exact trusted
12011+:: source/reader evidence until a later checked interface and lowerer can
12012+:: attach it to a generated request. No argument ordering is claimed here.
12013++$ iapi-request-parameter [name=term typ=itype at=span]
12014++$ iapi-request-parts
12015+ [evidence=iapi-path-evidence path=iapi-path-typed parameters=(list iapi-request-parameter) reply-sample=itype fold=(unit itype) watchability=?(%watchable %not-watchable)]
12016+++ api-request-parameter-types
12017+ |= params=(list iapi-parameter)
12018+ ^- (unit (list iapi-request-parameter))
12020+ =/ aura=@ta aura.i.params
12021+ ?. |(?=(?(%u %ud %ux %uv %t %ta %tas %p %da %dr) aura) =('tD' aura)) ~
12022+ =/ rest=(unit (list iapi-request-parameter)) $(params t.params)
12024+ `[[name.i.params [%atom aura] at.i.params] u.rest]
12026+:: A single diff's fold consumes the tagged diff and the previous full value.
12027+:: Multiple-diff unions need a checked union representation and remain open.
12028+++ api-request-fold-type
12029+ |= p=iapi-path-typed
12030+ ^- (unit (unit itype))
12033+ =/ d=iapi-mark-type i.diffs.p
12034+ =/ literal=lit [%term %tas name.d (crip ['%' (trip name.d)])]
12035+ =/ sample=itype [%cell [%cell [%const literal] typ.d] full.p]
12036+ ``[%fn sample full.p]
12038+++ api-request-parts
12039+ |= [evidence=(unit iapi-path-evidence) case-name=term]
12040+ ^- (unit iapi-request-parts)
12042+ =/ found=(list iapi-path-typed)
12043+ (skim paths.u.evidence |=(p=iapi-path-typed =(name.path.p case-name)))
12044+ ?. ?=([* ~] found) ~
12045+ =/ p=iapi-path-typed i.found
12046+ =/ raw=(unit (list iapi-parameter)) (api-path-parameters segments.path.p ~)
12048+ =/ params=(unit (list iapi-request-parameter)) (api-request-parameter-types u.raw)
12050+ =/ fold=(unit (unit itype)) (api-request-fold-type p)
12052+ =/ watch=?(%watchable %not-watchable) ?~(scry.path.p %watchable %not-watchable)
12053+ `[u.evidence p u.params full.p u.fold watch]
12055+:: Check ordinary API molds and values plus every declared mark type using
12056+:: the same trusted source, prepared prelude and reader inputs as path
12057+:: evidence. Keep elaborations with those inputs for a later interface.
12058+:: This is partial analysis: an unused /- core is not independently checked,
12059+:: definitions needing derived values remain unsupported, and no complete
12060+:: API, request or constructor is exported or given runtime behavior.
12061++$ iapi-support-evidence
12062+ [paths=iapi-path-evidence values=ienv molds=imold-types marks=(list iapi-mark-type) elaborations=(list iwidth-definition)]
12063+++ api-support-analysis-source
12064+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle prepared=(unit iprelude)]
12065+ ^- (each iapi-support-evidence @t)
12066+ =/ path-result (api-path-evidence-source file src externals marks modules prepared)
12067+ ?: ?=(%| -.path-result) [%| p.path-result]
12068+ =/ evidence=iapi-path-evidence p.path-result
12069+ =/ parsed (parse file src)
12070+ ?: ?=(%| -.parsed) [%| 'API source does not parse']
12071+ =/ mod=module p.parsed
12072+ =/ ordinary=(list def)
12073+ (skim defs.mod |=(d=def !&(?=(%mold -.d) |(=(%paths name.d) =(%poke name.d)))))
12074+ =/ prep=iprelude prepared.evidence
12075+ ?. (module-scope-valid mod(defs ordinary) values.prep molds.prep) [%| 'API ordinary scope needs unsupported inference']
12076+ =/ vals=(list term) (global-value-names ordinary)
12077+ ?: (lien vals |=(n=term =(n %main))) [%| 'API module kind needs unsupported inference']
12078+ =/ declared=(list term) (collect-mark-imports imports.mod)
12079+ =/ mark-types=(unit (list iapi-mark-type)) (api-diff-types declared marks declared)
12080+ ?~ mark-types [%| 'API declared marks need unsupported inference']
12081+ =/ prelude=(unit ifile) `iface.prep
12082+ =/ deps=jimports-result
12083+ (resolve-jibb-imports imports.mod externals marks modules ~[file] values.prep molds.prep dependencies.evidence prelude)
12084+ ?: ?=(%| -.deps) [%| p.deps]
12085+ =/ molds=imolds (collect-simple-molds ordinary)
12086+ =/ globals=(list term) (weld values.prep (weld (import-binding-names imports.mod) vals))
12087+ =/ surs=(list term) (collect-sur-imports imports.mod)
12088+ =/ reserved=(list term) (weld molds.prep (turn resolved.p.deps |=(j=[face=term interface=ifile] face.j)))
12089+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
12090+ =/ state=istate [0 ~ ~ ~ molds globals externals surs marks declared resolved.p.deps reserved ~ ~ ~ | file top prelude ~ 256 ~ ~ ~ ~ ~ ~]
12091+ =/ mts=(each imold-types @t) (module-mold-types molds state)
12092+ ?: ?=(%| -.mts) [%| p.mts]
12093+ =/ resolution=iresolved (resolve-groups ordinary molds globals externals surs marks declared resolved.p.deps reserved file prelude)
12094+ ?. (module-values-complete ordinary env.resolution) [%| 'API ordinary definitions need unsupported inference']
12095+ [%& [evidence env.resolution p.mts u.mark-types artifacts.resolution]]
12096+:: Preserve the same graph context through supporting definitions.
12097+++ api-support-analysis-graph
12098+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle active=(list path) cache=jcache prepared=(unit iprelude)]
12099+ ^- (each iapi-support-evidence @t)
12100+ =/ path-result (api-path-evidence-graph file src externals marks modules active cache prepared)
12101+ ?: ?=(%| -.path-result) [%| p.path-result]
12102+ =/ evidence=iapi-path-evidence p.path-result
12103+ =/ parsed (parse file src)
12104+ ?: ?=(%| -.parsed) [%| 'API source does not parse']
12105+ =/ mod=module p.parsed
12106+ =/ ordinary=(list def)
12107+ (skim defs.mod |=(d=def !&(?=(%mold -.d) |(=(%paths name.d) =(%poke name.d)))))
12108+ =/ prep=iprelude prepared.evidence
12109+ ?. (module-scope-valid mod(defs ordinary) values.prep molds.prep) [%| 'API ordinary scope needs unsupported inference']
12110+ =/ vals=(list term) (global-value-names ordinary)
12111+ ?: (lien vals |=(n=term =(n %main))) [%| 'API module kind needs unsupported inference']
12112+ =/ declared=(list term) (collect-mark-imports imports.mod)
12113+ =/ mark-types=(unit (list iapi-mark-type)) (api-diff-types declared marks declared)
12114+ ?~ mark-types [%| 'API declared marks need unsupported inference']
12115+ =/ prelude=(unit ifile) `iface.prep
12116+ =/ deps=jimports-result
12117+ (resolve-jibb-imports imports.mod externals marks modules active values.prep molds.prep dependencies.evidence prelude)
12118+ ?: ?=(%| -.deps) [%| p.deps]
12119+ =/ molds=imolds (collect-simple-molds ordinary)
12120+ =/ globals=(list term) (weld values.prep (weld (import-binding-names imports.mod) vals))
12121+ =/ surs=(list term) (collect-sur-imports imports.mod)
12122+ =/ reserved=(list term) (weld molds.prep (turn resolved.p.deps |=(j=[face=term interface=ifile] face.j)))
12123+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
12124+ =/ state=istate [0 ~ ~ ~ molds globals externals surs marks declared resolved.p.deps reserved ~ ~ ~ | file top prelude ~ 256 ~ ~ ~ ~ ~ ~]
12125+ =/ mts=(each imold-types @t) (module-mold-types molds state)
12126+ ?: ?=(%| -.mts) [%| p.mts]
12127+ =/ resolution=iresolved (resolve-groups ordinary molds globals externals surs marks declared resolved.p.deps reserved file prelude)
12128+ ?. (module-values-complete ordinary env.resolution) [%| 'API ordinary definitions need unsupported inference']
12129+ [%& [evidence env.resolution p.mts u.mark-types artifacts.resolution]]
12131+:: Type-analysis artifact for one plain request. The resolver may publish
12132+:: its interface only together with trusted source and reader evidence.
12133+:: No lowering or runtime validator exists.
12134+:: Value watchability remains unproved even for a watchable declaration.
12135++$ ione-request-interface
12136+ [support=iapi-support-evidence parts=iapi-request-parts iface=ifile]
12137+++ request-compatible-ask
12138+ |= prelude=iprelude
12140+ =/ public=ifile iface.prelude
12141+ ?. =(at.public /lib/jibb/prelude/jibb) ~
12142+ =/ ask=(unit ischeme) (find-jibb-mold %ask public)
12144+ ?. ?=([@ ~] vars.u.ask) ~
12145+ ?. ?=(%union -.typ.u.ask) ~
12146+ ?. =(origin.typ.u.ask `[/lib/jibb/internal/jibb %ask]) ~
12147+ ?. (identity-union-parameters vars.u.ask args.typ.u.ask) ~
12148+ =/ m=@ud i.vars.u.ask
12149+ ?: (itype-var-is-atom m typ.u.ask) ~
12150+ ?. (levy (itype-vars typ.u.ask) |=(n=@ud =(n m))) ~
12151+ ?: (itype-has-tag typ.u.ask) ~
12152+ =/ private=(list iwidth-dependency)
12153+ (skim dependencies.public |=(d=iwidth-dependency =(at.d /lib/jibb/internal/jibb)))
12154+ ?. ?=([* ~] private) ~
12155+ ?~ source.i.private ~
12156+ =/ path=(unit ischeme) (find-jibb-mold %path public)
12159+ =/ path-type=itype [%collection %list ~[[%atom %ta]]]
12160+ ?. =(typ.u.path path-type) ~
12161+ =/ unit-template=(unit ischeme) (find-jibb-mold %unit public)
12162+ ?~ unit-template ~
12163+ ?. (standard-unit-template u.unit-template /lib/jibb/prelude/jibb) ~
12164+ =/ state-unit=(unit itype) (template-apply u.unit-template ~[[%noun ~]])
12166+ =/ path-unit=(unit itype) (template-apply u.unit-template ~[path-type])
12168+ =/ output=itype [%cell [%face %state [%noun ~]] [%face %message [%var m]]]
12169+ =/ agent-input=itype [%cell [%face %mark [%atom %tas]] [%cell [%face %state u.state-unit] [%face %fact [%noun ~]]]]
12170+ =/ store-input=itype [%cell [%face %state u.state-unit] [%face %fact [%noun ~]]]
12171+ =/ pure-case=itype [%cell [%const [%term %tas %pure '%pure']] [%face %value [%var m]]]
12172+ =/ agent-case=itype
12173+ [%cell [%const [%term %tas %agent '%agent']] [%cell [%face %api [%atom %t]] [%cell [%face %case [%atom %tas]] [%cell [%face %agent [%atom %tas]] [%cell [%face %path path-type] [%cell [%face %scry u.path-unit] [%face %receive [%fn agent-input output]]]]]]]]
12174+ =/ store-case=itype
12175+ [%cell [%const [%term %tas %store '%store']] [%cell [%face %module [%atom %t]] [%cell [%face %name [%atom %tas]] [%face %receive [%fn store-input output]]]]]
12176+ ?. =(cases.typ.u.ask ~[pure-case agent-case store-case]) ~
12179+:: The first supported standalone API has exactly one mark import and one
12180+:: plain path declaration, with no other definitions or imports. No partial
12181+:: success is published when source, schema, or a required mold is unknown.
12182+++ one-request-interface-source
12183+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle prepared=(unit iprelude)]
12184+ ^- (each ione-request-interface @t)
12185+ =/ out (api-support-analysis-source file src externals marks modules prepared)
12186+ ?: ?=(%| -.out) [%| p.out]
12187+ =/ support=iapi-support-evidence p.out
12188+ =/ ev=iapi-path-evidence paths.support
12189+ =/ parsed (parse file src)
12190+ ?: ?=(%| -.parsed) [%| 'request source does not parse']
12191+ =/ mod=module p.parsed
12192+ ?. ?=(?([[%mark *] ~] [[%mark *] [%mark *] ~]) imports.mod) [%| 'request imports need unsupported inference']
12193+ ?. ?=([[%mold *] ~] defs.mod) [%| 'request definitions need unsupported inference']
12194+ ?. =(%paths name.i.defs.mod) [%| 'request declaration needs unsupported inference']
12195+ ?. ?=([* ~] paths.ev) [%| 'request count needs unsupported inference']
12196+ =/ p=iapi-path-typed i.paths.ev
12197+ =/ parts=(unit iapi-request-parts) (api-request-parts `ev name.path.p)
12198+ ?~ parts [%| 'request components need unsupported inference']
12199+ ?. ?=(?(~ [* ~]) parameters.u.parts) [%| 'request parameters need unsupported inference']
12200+ ?: &(?=(^ fold.u.parts) ?=(^ parameters.u.parts)) [%| 'request parameter and fold need unsupported inference']
12201+ ?^ scry.path.p [%| 'request scry needs unsupported inference']
12203+ ?~ fold.u.parts ?=([* ~] marks.support)
12204+ ?=([* [* ~]] marks.support)
12205+ ?. valid-marks [%| 'request marks need unsupported inference']
12208+ |(?=(^ (itype-vars u.fold.u.parts)) (itype-has-tag u.fold.u.parts))
12209+ ?: fold-open [%| 'request fold needs unsupported inference']
12210+ ?^ (itype-vars reply-sample.u.parts) [%| 'request payload needs unsupported inference']
12211+ ?: (itype-has-tag reply-sample.u.parts) [%| 'request payload needs unsupported inference']
12212+ =/ ask=(unit ischeme) (request-compatible-ask prepared.ev)
12213+ ?~ ask [%| 'request ask needs unsupported inference']
12214+ =/ result=(unit itype) (template-apply u.ask ~[[%var 0]])
12215+ ?~ result [%| 'request ask needs unsupported inference']
12216+ =/ callback=itype [%fn reply-sample.u.parts [%var 0]]
12218+ ?^ fold.u.parts [%cell callback u.fold.u.parts]
12219+ ?~ parameters.u.parts callback
12220+ [%cell typ.i.parameters.u.parts callback]
12221+ =/ scheme=ischeme [[%fn sample u.result] ~[0]]
12222+ =/ exports=imold-types
12223+ (turn marks.support |=(m=iapi-mark-type [name.m [typ.m ~]]))
12224+ =/ prelude=iprelude prepared.ev
12225+ =/ public=ifile iface.prelude
12226+ ?~ source.public [%| 'request prelude source needs unsupported inference']
12227+ =/ private=(list iwidth-dependency)
12228+ (skim dependencies.public |=(d=iwidth-dependency =(at.d /lib/jibb/internal/jibb)))
12229+ ?. ?=([* ~] private) [%| 'request internal source needs unsupported inference']
12230+ ?~ source.i.private [%| 'request internal source needs unsupported inference']
12231+ =/ req=irequest-evidence
12232+ [file name.path.p p src u.source.public u.source.i.private values.prelude molds.prelude externals marks]
12233+ =/ interface=ifile [~[[name.path.p scheme]] exports file ~ ~ ~ `src `[(silt `(list path)`~[file]) ~[req] modules `public values.prelude molds.prelude externals marks]]
12234+ [%& [support u.parts interface]]
12235+:: Graph-aware request artifact; resolver use remains type-only.
12236+++ one-request-interface-graph
12237+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle active=(list path) cache=jcache prepared=(unit iprelude)]
12238+ ^- (each ione-request-interface @t)
12239+ =/ out (api-support-analysis-graph file src externals marks modules active cache prepared)
12240+ ?: ?=(%| -.out) [%| p.out]
12241+ =/ support=iapi-support-evidence p.out
12242+ =/ ev=iapi-path-evidence paths.support
12243+ =/ parsed (parse file src)
12244+ ?: ?=(%| -.parsed) [%| 'request source does not parse']
12245+ =/ mod=module p.parsed
12246+ ?. ?=(?([[%mark *] ~] [[%mark *] [%mark *] ~]) imports.mod) [%| 'request imports need unsupported inference']
12247+ ?. ?=([[%mold *] ~] defs.mod) [%| 'request definitions need unsupported inference']
12248+ ?. =(%paths name.i.defs.mod) [%| 'request declaration needs unsupported inference']
12249+ ?. ?=([* ~] paths.ev) [%| 'request count needs unsupported inference']
12250+ =/ p=iapi-path-typed i.paths.ev
12251+ =/ parts=(unit iapi-request-parts) (api-request-parts `ev name.path.p)
12252+ ?~ parts [%| 'request components need unsupported inference']
12253+ ?. ?=(?(~ [* ~]) parameters.u.parts) [%| 'request parameters need unsupported inference']
12254+ ?: &(?=(^ fold.u.parts) ?=(^ parameters.u.parts)) [%| 'request parameter and fold need unsupported inference']
12255+ ?^ scry.path.p [%| 'request scry needs unsupported inference']
12257+ ?~ fold.u.parts ?=([* ~] marks.support)
12258+ ?=([* [* ~]] marks.support)
12259+ ?. valid-marks [%| 'request marks need unsupported inference']
12262+ |(?=(^ (itype-vars u.fold.u.parts)) (itype-has-tag u.fold.u.parts))
12263+ ?: fold-open [%| 'request fold needs unsupported inference']
12264+ ?^ (itype-vars reply-sample.u.parts) [%| 'request payload needs unsupported inference']
12265+ ?: (itype-has-tag reply-sample.u.parts) [%| 'request payload needs unsupported inference']
12266+ =/ ask=(unit ischeme) (request-compatible-ask prepared.ev)
12267+ ?~ ask [%| 'request ask needs unsupported inference']
12268+ =/ result=(unit itype) (template-apply u.ask ~[[%var 0]])
12269+ ?~ result [%| 'request ask needs unsupported inference']
12270+ =/ callback=itype [%fn reply-sample.u.parts [%var 0]]
12272+ ?^ fold.u.parts [%cell callback u.fold.u.parts]
12273+ ?~ parameters.u.parts callback
12274+ [%cell typ.i.parameters.u.parts callback]
12275+ =/ scheme=ischeme [[%fn sample u.result] ~[0]]
12276+ =/ exports=imold-types
12277+ (turn marks.support |=(m=iapi-mark-type [name.m [typ.m ~]]))
12278+ =/ prelude=iprelude prepared.ev
12279+ =/ public=ifile iface.prelude
12280+ ?~ source.public [%| 'request prelude source needs unsupported inference']
12281+ =/ private=(list iwidth-dependency)
12282+ (skim dependencies.public |=(d=iwidth-dependency =(at.d /lib/jibb/internal/jibb)))
12283+ ?. ?=([* ~] private) [%| 'request internal source needs unsupported inference']
12284+ ?~ source.i.private [%| 'request internal source needs unsupported inference']
12285+ =/ req=irequest-evidence
12286+ [file name.path.p p src u.source.public u.source.i.private values.prelude molds.prelude externals marks]
12287+ =/ interface=ifile [~[[name.path.p scheme]] exports file ~ ~ ~ `src `[(silt `(list path)`~[file]) ~[req] modules `public values.prelude molds.prelude externals marks]]
12288+ [%& [support u.parts interface]]
12290+++ api-mark-exports
12291+ |= [marks=(list term) all=(list term) externals=imark-externals]
12294+ =/ t=(unit itype) (find-imported-mark i.marks externals all)
12295+ ?~ t $(marks t.marks)
12296+ [[i.marks [u.t ~]] $(marks t.marks)]
12298+:: Experimental direct poke-only API. Unsupported API declarations fail
12299+:: as a whole; supplied mark reader results retain their existing boundary.
12300+++ api-poke-interface
12301+ |= [at=path mod=module mark-externals=imark-externals prelude-values=(list term) prelude-molds=(list term) prelude=(unit ifile)]
12303+ ?: (lien defs.mod def-has-hole) ~
12304+ ?. ?=([%ui %api @ %jibb ~] at) ~
12305+ ?^ (duplicate-defs defs.mod) ~
12307+ ?. =(at.u.prelude /lib/jibb/prelude/jibb) ~
12308+ =/ poke=(unit ischeme) (find-jibb-mold %poke u.prelude)
12310+ ?. ?=(%union -.typ.u.poke) ~
12313+ %+ lien cases.typ.u.poke
12315+ ?=([%cell [%const [%term %tas %agent *]] [%cell [%face %agent [%atom %tas]] [%cell [%face %mark [%atom %tas]] [%face %payload [%noun ~]]]]] c)
12317+ ?. (module-scope-valid mod(defs ~) prelude-values prelude-molds) ~
12318+ ?. (levy imports.mod |=(i=import ?=(%mark -.i))) ~
12319+ =/ marks=(list term) (collect-mark-imports imports.mod)
12320+ ?. ?=([@ ~] marks) ~
12321+ =/ ds=(list def) defs.mod
12322+ ?. ?=([[%mold *] ~] ds) ~
12323+ ?. =(%poke name.i.ds) ~
12324+ =/ sh=shape shape.i.ds
12325+ ?. ?=([%ref *] sh) ~
12326+ ?. ?=([@ ~] names.sh) ~
12327+ =/ n=term i.names.sh
12328+ ?. (unique-value-name n marks) ~
12329+ ?: |((lien prelude-values |=(x=term =(n x))) (lien prelude-molds |=(x=term =(n x)))) ~
12330+ =/ mark=(unit itype) (find-imported-mark n mark-externals marks)
12332+ =/ sc=ischeme [[%fn u.mark typ.u.poke] ~]
12333+ `[~[[n sc]] (api-mark-exports marks marks mark-externals) at ~[[n i.t.t.at n]] ~ ~ ~ ~]
12335+:: Source-proven ordinary helpers validate each selected /sur dependency.
12336+:: Unused or less direct cores remain unsupported by this first interface.
12338+ |= [surs=(list term) defs=(list def) externals=iexternals all=(list term)]
12341+ =/ found=(list def)
12344+ ?. ?=(%mold -.d) |
12345+ ?. ?=(%ref -.shape.d) |
12346+ ?. ?=([@ [@ ~]] names.shape.d) |
12347+ =(i.t.names.shape.d i.surs)
12349+ =/ selected=def i.found
12350+ ?. ?=(%mold -.selected) |
12351+ =/ sh=shape shape.selected
12352+ ?. ?=(%ref -.sh) |
12353+ ?. ?=([@ [@ ~]] names.sh) |
12354+ =/ checked=(unit itype) (find-imported-mold i.surs i.names.sh externals all)
12358++$ imulti-request-gates [values=ienv requests=(list irequest-evidence)]
12359+++ api-request-gates
12360+ |= [paths=(list iapi-path-typed) ev=iapi-path-evidence ask=ischeme file=path src=@t public=@t internal=@t externals=iexternals marks=imark-externals fuel=@ud]
12361+ ^- (unit imulti-request-gates)
12364+ =/ p=iapi-path-typed i.paths
12365+ =/ parts=(unit iapi-request-parts) (api-request-parts `ev name.path.p)
12367+ ?. ?=(?(~ [* ~]) parameters.u.parts) ~
12368+ ?: &(?=(^ fold.u.parts) ?=(^ parameters.u.parts)) ~
12370+ ?^ (itype-vars reply-sample.u.parts) ~
12371+ ?: (itype-has-tag reply-sample.u.parts) ~
12374+ |(?=(^ (itype-vars u.fold.u.parts)) (itype-has-tag u.fold.u.parts))
12376+ =/ result=(unit itype) (template-apply ask ~[[%var 0]])
12378+ =/ callback=itype [%fn reply-sample.u.parts [%var 0]]
12380+ ?^ fold.u.parts [%cell callback u.fold.u.parts]
12381+ ?~ parameters.u.parts callback
12382+ [%cell typ.i.parameters.u.parts callback]
12383+ =/ scheme=ischeme [[%fn sample u.result] ~[0]]
12384+ =/ prep=iprelude prepared.ev
12385+ =/ req=irequest-evidence
12386+ [file name.path.p p src public internal values.prep molds.prep externals marks]
12387+ =/ rest=(unit imulti-request-gates)
12388+ $(paths t.paths, fuel (dec fuel))
12390+ `[[[name.path.p scheme] values.u.rest] [req requests.u.rest]]
12392+++ api-poke-from-checked
12393+ |= [file=path mod=module marks=imark-externals values=(list term) molds=(list term) prelude=(unit ifile)]
12394+ ^- (unit [values=ienv derived=(list iderived)])
12395+ =/ pokes=(list def)
12396+ (skim defs.mod |=(d=def &(?=(%mold -.d) =(%poke name.d))))
12398+ ?. ?=([* ~] pokes) ~
12399+ =/ declared=(list term) (collect-mark-imports imports.mod)
12400+ =/ ns=(unit (list term)) (api-poke-mark-names pokes declared)
12402+ ?. ?=([@ ~] u.ns) ~
12403+ =/ matching=(list import)
12404+ %+ skim imports.mod
12406+ ?. ?=(%mark -.i) |
12408+ ?. ?=([* ~] matching) ~
12409+ =/ checked=(unit ifile)
12410+ (api-poke-interface file mod(defs pokes, imports matching) marks values molds prelude)
12412+ `[values.u.checked derived.u.checked]
12414+:: The partial interface is published atomically: all paths, ordinary
12415+:: source definitions, declared marks and the poke must check. Unselected
12416+:: /sur bindings, runtime validation and value watchability remain unproved.
12417+++ multi-request-interface-graph
12418+ |= [file=path src=@t externals=iexternals marks=imark-externals modules=jbundle active=(list path) cache=jcache prepared=(unit iprelude)]
12419+ ^- (each [iface=ifile cache=jcache] @t)
12420+ =/ out (api-support-analysis-graph file src externals marks modules active cache prepared)
12421+ ?: ?=(%| -.out) [%| p.out]
12422+ =/ support=iapi-support-evidence p.out
12423+ =/ ev=iapi-path-evidence paths.support
12424+ =/ parsed (parse file src)
12425+ ?: ?=(%| -.parsed) [%| 'request source does not parse']
12426+ =/ mod=module p.parsed
12427+ ?. (levy imports.mod |=(i=import ?=(?(%mark %sur) -.i)))
12428+ [%| 'request imports need unsupported inference']
12429+ =/ surs=(list term) (collect-sur-imports imports.mod)
12430+ ?. (api-sur-covered surs defs.mod externals surs)
12431+ [%| 'API source dependency needs unsupported inference']
12432+ ?~ paths.ev [%| 'request count needs unsupported inference']
12433+ =/ ask=(unit ischeme) (request-compatible-ask prepared.ev)
12434+ ?~ ask [%| 'request ask needs unsupported inference']
12435+ =/ prep=iprelude prepared.ev
12436+ =/ public=ifile iface.prep
12437+ ?~ source.public [%| 'request prelude source needs unsupported inference']
12438+ =/ private=(list iwidth-dependency)
12439+ (skim dependencies.public |=(d=iwidth-dependency =(at.d /lib/jibb/internal/jibb)))
12440+ ?. ?=([* ~] private) [%| 'request internal source needs unsupported inference']
12441+ ?~ source.i.private [%| 'request internal source needs unsupported inference']
12442+ =/ gates=(unit imulti-request-gates)
12443+ (api-request-gates paths.ev ev u.ask file src u.source.public u.source.i.private externals marks 256)
12444+ ?~ gates [%| 'request paths need unsupported inference']
12445+ =/ poke=(unit [values=ienv derived=(list iderived)])
12446+ (api-poke-from-checked file mod marks values.prep molds.prep `public)
12447+ ?~ poke [%| 'API poke needs unsupported inference']
12448+ =/ mark-molds=imold-types
12449+ (turn marks.support |=(m=iapi-mark-type [name.m [typ.m ~]]))
12450+ =/ exports=imold-types (weld mark-molds molds.support)
12451+ =/ names=(list term) (turn exports |=(m=[name=term template=ischeme] name.m))
12452+ ?. (levy names |=(n=term (unique-value-name n names)))
12453+ [%| 'API exported molds need unsupported inference']
12454+ =/ env=ienv (weld values.u.gates (weld values.u.poke values.support))
12455+ =/ graph=irequest-graph
12456+ [(silt `(list path)`~[file]) requests.u.gates modules `public values.prep molds.prep externals marks]
12458+ [env exports file derived.u.poke elaborations.support ~ `src `graph]
12459+ [%& [iface dependencies.ev]]
12461+:: A checked program main is only the direct four-component source call.
12462+:: Grouping is transparent, but aliases, qualified wings and other module
12463+:: kinds remain outside this slice.
12464+++ program-main-def
12468+ ?: &(?=(%value -.i.ds) =(%main name.i.ds)) `i.ds
12471+++ program-main-wing
12474+ ?: ?=(%group -.e) $(e inner.e)
12475+ ?. ?=(%wing -.e) ~
12476+ ?. ?=([@ ~] names.e) ~
12479+++ program-main-args
12481+ ^- (unit (list expr))
12482+ ?. ?=(%value -.d) ~
12484+ ?: ?=(%group -.val.d) $(val.d inner.val.d)
12485+ ?. ?=(%call -.val.d) ~
12486+ =/ head=(unit term) (program-main-wing head.val.d)
12488+ ?. =(%program u.head) ~
12489+ ?. ?=([* * * * ~] args.val.d) ~
12492+++ program-main-parts
12494+ ^- (unit [init=term update=term view=term subs=term])
12495+ ?. ?=(%value -.d) ~
12497+ ?: ?=(%group -.val.d) $(val.d inner.val.d)
12498+ ?. ?=(%call -.val.d) ~
12499+ =/ head=(unit term) (program-main-wing head.val.d)
12501+ ?. =(%program u.head) ~
12502+ ?. ?=([* * * * ~] args.val.d) ~
12503+ =/ args=(list expr) args.val.d
12504+ ?> ?=([* * * * ~] args)
12505+ =/ init=(unit term) (program-main-wing i.args)
12506+ =/ update=(unit term) (program-main-wing i.t.args)
12507+ =/ view=(unit term) (program-main-wing i.t.t.args)
12508+ =/ subs=(unit term) (program-main-wing i.t.t.t.args)
12513+ `[u.init u.update u.view u.subs]
12515+++ program-empty-null
12519+ %lit =(%null form.lit.e)
12521+ %group $(e inner.e)
12522+ %body ?~(defs.e $(e final.e) |)
12526+++ program-subs-empty
12529+ ?. ?=(%value -.d) |
12531+ %gate (program-empty-null body.val.d)
12532+ %gate-wide (program-empty-null body.val.d)
12536+++ program-transparent
12540+ %group $(e inner.e)
12542+ %body ?~(defs.e $(e final.e) e)
12545+++ program-init-tuple-null
12548+ ?. ?=(%value -.d) |
12549+ ?. |(?=(%gate -.val.d) ?=(%gate-wide -.val.d)) |
12553+ %gate-wide body.val.d
12556+ =. body (program-transparent body)
12557+ ?. ?=(%tuple -.body) |
12559+ (program-empty-null val:(rear items.body))
12561+:: Recover only the initializer of an already recognized direct program main.
12562+:: The derived call is evidence for an ordinary init/main retry, never an
12563+:: interface to publish on its own. Any failure returns the original resolution.
12564+++ program-init-context
12565+ |= [main=def parts=[init=term update=term view=term subs=term] ds=(list def) resolution=iresolved initial=istate]
12566+ ^- (unit iresolved)
12567+ =/ env=ienv env.resolution
12568+ ?^ (ienv-lookup %main env) ~
12569+ ?^ (ienv-lookup init.parts env) ~
12570+ =/ update=(unit ischeme) (ienv-lookup update.parts env)
12571+ =/ view=(unit ischeme) (ienv-lookup view.parts env)
12572+ =/ subs=(unit ischeme) (ienv-lookup subs.parts env)
12576+ =/ inits=(list def)
12577+ (skim ds |=(d=def &(?=(%value -.d) =(init.parts name.d))))
12578+ ?. ?=([* ~] inits) ~
12579+ =/ init-def=def i.inits
12580+ ?> ?=(%value -.init-def)
12581+ ?. (program-init-tuple-null init-def) ~
12582+ =/ args=(unit (list expr)) (program-main-args main)
12584+ ?~ prelude.initial ~
12585+ =/ program=(unit ischeme) (ienv-lookup %program values.u.prelude.initial)
12587+ =/ heads=(unit igate-prelude-evidence) (direct-prelude-evidence ds prelude.initial)
12589+ =/ written=(unit def) (~(get by gates.u.heads) %program)
12591+ =/ written-sample=(unit sample) (direct-gate-sample u.written)
12592+ ?~ written-sample ~
12593+ ?. ?=(%cell -.u.written-sample) ~
12594+ ?~ items.u.written-sample ~
12595+ =/ checked=(map term def) (direct-checked-gates ds env)
12597+ (turn molds.u.prelude.initial |=(x=[name=term template=ischeme] [name.x template.x]))
12598+ =/ scanned=(unit dgscan)
12599+ (dg-all-env-ids (weld env (weld values.u.prelude.initial templates)) 32.768 ~)
12601+ =. next.initial (dg-next-id ids.u.scanned 0)
12602+ =/ instance=[typ=itype state=istate] (instantiate-scheme u.program initial)
12603+ ?. ?=(%fn -.typ.instance) ~
12604+ ?. ?=(%cell -.sample.typ.instance) ~
12605+ =/ expected-init=(unit itype)
12606+ (direct-slot-body hed.sample.typ.instance (direct-sample-name i.items.u.written-sample))
12607+ ?~ expected-init ~
12608+ ?. ?=(%fn -.u.expected-init) ~
12609+ ?. ?=(%var -.sample.u.expected-init) ~
12610+ =/ data=@ud id.sample.u.expected-init
12611+ =/ init-var=itype [%var next.state.instance]
12612+ =/ st=istate state.instance(next +(next.state.instance))
12613+ =/ up=[typ=itype state=istate] (instantiate-scheme u.update st)
12614+ =/ vw=[typ=itype state=istate] (instantiate-scheme u.view state.up)
12615+ =/ sb=[typ=itype state=istate] (instantiate-scheme u.subs state.vw)
12616+ =. st state.sb(gate-defs checked, head-evidence heads)
12617+ =/ actual=itype [%cell init-var [%cell typ.up [%cell typ.vw typ.sb]]]
12619+ (direct-positional-fit u.args items.u.written-sample actual sample.typ.instance env st sub.st next.st)
12620+ ?. ?=(%ok -.fit) ~
12621+ =/ actual-final=itype (itype-normalize actual sub.fit)
12622+ =/ expected-final=itype (itype-normalize sample.typ.instance sub.fit)
12623+ =/ open=(list @ud)
12624+ (unique-type-vars (weld (itype-vars actual-final) (itype-vars expected-final)))
12625+ ?. (levy open |=(n=@ud =(data n))) ~
12626+ ?: |((itype-has-tag actual-final) (itype-has-tag expected-final)) ~
12628+ (direct-positional-fit u.args items.u.written-sample actual sample.typ.instance env st sub.fit next.fit)
12629+ ?. ?=(%ok -.replay) ~
12630+ ?. &(=(sub.fit sub.replay) =(next.fit next.replay)) ~
12631+ =/ expected=itype (itype-normalize u.expected-init sub.fit)
12632+ ?. ?=(%fn -.expected) ~
12633+ =. st st(sub sub.fit, next next.fit)
12634+ =/ init-state=istate (reserve-def-caps val.init-def st)
12635+ =/ inferred=iresult (infer-fragment val.init-def env init-state)
12636+ =? inferred ?=(%| -.inferred) (infer-recursive-gate init-def env init-state)
12637+ ?: ?=(%| -.inferred) ~
12638+ ?. ?=(%fn -.typ.p.inferred) ~
12640+ (itype-fit sample.typ.p.inferred sample.expected sub.state.p.inferred next.state.p.inferred)
12641+ ?. ?=(%ok -.data-fit) ~
12642+ =/ closed=itype (itype-normalize expected sub.data-fit)
12643+ ?. ?=(%fn -.closed) ~
12644+ :: Resolve the ordinary tuple cast first, then check the complete gate.
12645+ :: General function fit remains unchanged; only this recovered candidate
12646+ :: receives the derived result context before its whole-type cast fit.
12647+ =/ product-fit=ifit
12648+ (itype-fit product.typ.p.inferred product.closed sub.data-fit next.data-fit)
12649+ ?. ?=(%ok -.product-fit) ~
12651+ (itype-merge-faces product.typ.p.inferred product.closed sub.product-fit)
12652+ =/ actual-cast=itype [%fn sample.typ.p.inferred product]
12654+ (itype-fit actual-cast closed sub.product-fit next.product-fit)
12655+ ?. ?=(%ok -.cast) ~
12656+ =/ merged=itype (itype-merge-faces actual-cast closed sub.cast)
12657+ =/ adjusted=iresult
12658+ [%& merged state.p.inferred(sub sub.cast, next next.cast)]
12659+ =/ added=(unit iadded-definition)
12660+ (add-supported-result init-def adjusted init-state env checked artifacts.resolution)
12662+ =/ recovered=(unit ischeme) (ienv-lookup init.parts env.u.added)
12664+ ?. ?=(~ vars.u.recovered) ~
12665+ ?. ?=(~ (itype-vars typ.u.recovered)) ~
12666+ =/ completed=[env=ienv artifacts=(list iwidth-definition)]
12667+ (add-supported-defs-core ~[main] ds checked.u.added heads env.u.added molds.initial globals.initial externals.initial surs.initial mark-externals.initial marks.initial jimports.initial reserved-molds.initial at.initial prelude.initial artifacts.u.added grec-index.initial)
12668+ ?~ (ienv-lookup %main env.completed) ~
12669+ `[env.completed grouped.resolution artifacts.completed]
12671+++ program-subs-watch
12672+ |= [d=def imports=ijimports graph=irequest-graph prelude=ifile]
12674+ ?. ?=(%value -.d) |
12675+ ?. |(?=(%gate -.val.d) ?=(%gate-wide -.val.d)) |
12679+ %gate-wide body.val.d
12682+ =. body (program-transparent body)
12683+ ?. ?=(%list -.body) |
12684+ ?. ?=([* ~] items.body) |
12685+ =/ watch=expr (program-transparent i.items.body)
12686+ ?. ?=(%tuple -.watch) |
12687+ ?. ?=([* * ~] items.watch) |
12688+ =/ tag=item i.items.watch
12689+ =/ payload=item i.t.items.watch
12690+ ?. &(?=(~ face.tag) ?=(~ face.payload)) |
12691+ =/ tag-expr=expr (program-transparent val.tag)
12692+ ?. ?=(%lit -.tag-expr) |
12693+ ?. &(?=(%term form.lit.tag-expr) =(%watch val.lit.tag-expr)) |
12694+ =/ request=expr (program-transparent val.payload)
12695+ ?. ?=(%call -.request) |
12696+ ?. ?=([* ~] args.request) |
12697+ =/ head=expr (program-transparent head.request)
12698+ ?. ?=(%wing -.head) |
12699+ ?. ?=([@ @ ~] names.head) |
12700+ =/ case=term i.names.head
12701+ =/ face=term i.t.names.head
12702+ =/ callback=expr (program-transparent i.args.request)
12703+ ?. ?=(%ctor -.callback) |
12704+ ?. ?=(%term form.tag.callback) |
12705+ =/ selected=(list [face=term interface=ifile])
12706+ (skim imports |=(j=[face=term interface=ifile] =(face face.j)))
12707+ ?. ?=([* ~] selected) |
12708+ =/ iface=ifile interface.i.selected
12709+ =/ member=(unit ischeme) (ienv-lookup case values.iface)
12712+ =/ evidence=(list irequest-evidence)
12713+ (skim requests.graph |=(r=irequest-evidence &(=(api-at.r at.iface) =(name.r case))))
12714+ ?. ?=([* ~] evidence) |
12715+ =/ request-evidence=irequest-evidence i.evidence
12716+ ?. =(u.source.iface api-source.request-evidence) |
12717+ ?. =(name.path.path.request-evidence case) |
12719+ ?. (lien requests.u.graph.iface |=(r=irequest-evidence =(r request-evidence))) |
12720+ ?. ?=(~ scry.path.path.request-evidence) |
12721+ ?. &(?=(~ diffs.path.request-evidence) ?=(~ diffs.path.path.request-evidence)) |
12722+ ?: (lien segments.path.path.request-evidence |=(p=pseg !?=(%knot -.p))) |
12723+ ?. ?=([@ ~] vars.u.member) |
12724+ =/ message=@ud i.vars.u.member
12725+ ?. ?=(%fn -.typ.u.member) |
12726+ ?. ?=(%fn -.sample.typ.u.member) |
12727+ ?. =(sample.sample.typ.u.member full.path.request-evidence) |
12728+ ?. =(product.sample.typ.u.member [%var message]) |
12729+ =/ prep=iprelude [prelude prelude-values.graph prelude-molds.graph]
12730+ =/ ask=(unit ischeme) (request-compatible-ask prep)
12732+ =/ result=(unit itype) (template-apply u.ask ~[[%var message]])
12734+ =(product.typ.u.member u.result)
12736+++ program-main-closed
12737+ |= [parts=[init=term update=term view=term subs=term] ds=(list def) env=ienv prelude=(unit ifile) imports=ijimports graph=irequest-graph]
12740+ ?~ (ienv-lookup %program values.u.prelude) |
12741+ =/ program=(unit ischeme) (find-jibb-mold %program u.prelude)
12743+ =/ main=(unit ischeme) (ienv-lookup %main env)
12745+ ?. ?=(~ vars.u.main) |
12746+ ?. ?=(~ (itype-vars typ.u.main)) |
12747+ =/ instance=[typ=itype state=istate] (instantiate-scheme u.program *istate)
12748+ =/ main-fit=ifit (direct-invariant typ.u.main typ.instance ~ next.state.instance)
12749+ ?. ?=(%ok -.main-fit) |
12750+ =/ init=(unit ischeme) (ienv-lookup init.parts env)
12752+ ?. ?=(~ vars.u.init) |
12753+ ?. ?=(%fn -.typ.u.init) |
12754+ ?. ?=(~ (itype-vars sample.typ.u.init)) |
12755+ ?. ?=(~ (itype-vars product.typ.u.init)) |
12756+ =/ data=igate-free (gate-free-type sample.typ.u.init 256 ~)
12757+ ?. =(%yes verdict.data) |
12758+ =/ model=igate-free (gate-free-type product.typ.u.init left.data ~)
12759+ ?. =(%yes verdict.model) |
12760+ =/ subs=(list def)
12761+ (skim ds |=(d=def &(?=(%value -.d) =(subs.parts name.d))))
12762+ ?. ?=([* ~] subs) |
12763+ |((program-subs-empty i.subs) (program-subs-watch i.subs imports graph u.prelude))
12766+ |= [at=path src=@t externals=iexternals mark-externals=imark-externals modules=jbundle active=(list path) prelude-values=(list term) prelude-molds=(list term) cache=jcache prelude=(unit ifile)]
12768+ =/ out=jfile-detailed-result
12769+ (infer-jibb-file-detailed at src externals mark-externals modules active prelude-values prelude-molds cache prelude)
12770+ ?: ?=(%| -.out) [%| message.p.out]
12772+:: Returns structured root-source overlap evidence after the same full check.
12773+++ infer-jibb-file-detailed
12774+ |= [at=path src=@t externals=iexternals mark-externals=imark-externals modules=jbundle active=(list path) prelude-values=(list term) prelude-molds=(list term) cache=jcache prelude=(unit ifile)]
12775+ ^- jfile-detailed-result
12776+ =/ parsed (parse at src)
12777+ ?: ?=(%| -.parsed) [%| [(crip "module source does not parse: {(spud at)}") ~]]
12778+ =/ mod=module p.parsed
12779+ =/ duplicate=(unit idiag) (duplicate-defs defs.mod)
12780+ ?^ duplicate [%| [(show-duplicate-fields at src u.duplicate) ~]]
12781+ ?: &(?=([%ui %api *] at) ?=(^ (program-main-def defs.mod)))
12782+ [%| [(crip "module kind needs unsupported inference: {(spud at)}") ~]]
12783+ ?: ?=([%ui %api *] at)
12784+ =/ iface=(unit ifile) (api-poke-interface at mod mark-externals prelude-values prelude-molds prelude)
12786+ =/ checked=ifile u.iface(source `src, graph `[(silt `(list path)`~[at]) ~ modules prelude prelude-values prelude-molds externals mark-externals])
12787+ [%& [checked [[at checked] cache]]]
12788+ ?~ prelude [%| [(crip "API module needs unsupported inference: {(spud at)}") ~]]
12789+ =/ prepared=iprelude [u.prelude prelude-values prelude-molds]
12791+ ?. ?=([[%mark *] ~] imports.mod) |
12792+ ?. ?=([[%mold *] ~] defs.mod) |
12793+ ?. =(%paths name.i.defs.mod) |
12794+ !?=(%union -.shape.i.defs.mod)
12796+ =/ request=(each ione-request-interface @t)
12797+ (one-request-interface-graph at src externals mark-externals modules active cache `prepared)
12798+ ?: ?=(%| -.request) [%| [(crip "API module needs unsupported inference: {(spud at)}") ~]]
12799+ =/ checked=ifile iface.p.request
12800+ [%& [checked [[at checked] dependencies.paths.support.p.request]]]
12801+ =/ multi=(each [iface=ifile cache=jcache] @t)
12802+ (multi-request-interface-graph at src externals mark-externals modules active cache `prepared)
12803+ ?: ?=(%| -.multi) [%| [(crip "API module needs unsupported inference: {(spud at)}") ~]]
12804+ [%& [iface.p.multi [[at iface.p.multi] cache.p.multi]]]
12805+ ?. (module-scope-valid mod prelude-values prelude-molds)
12806+ ?: (pending-declared-poke at mod prelude-values prelude-molds)
12807+ [%| [(crip "module kind or scope needs unsupported inference: {(spud at)}") ~]]
12808+ [%| [(crip "module has conflicting names: {(spud at)}") ~]]
12809+ =/ vals=(list term) (global-value-names defs.mod)
12810+ =/ main=(unit def) (program-main-def defs.mod)
12811+ =/ main-parts=(unit [init=term update=term view=term subs=term])
12812+ ?~(main ~ (program-main-parts u.main))
12813+ ?. ?~(main & &(!?=([%ui %stores *] at) ?=(^ main-parts)))
12814+ [%| [(crip "module kind needs unsupported inference: {(spud at)}") ~]]
12815+ =/ js=jimports-detailed-result (resolve-jibb-imports-detailed imports.mod externals mark-externals modules active prelude-values prelude-molds cache prelude)
12816+ ?: ?=(%| -.js) [%| p.js]
12817+ =/ collected=grec-collected
12818+ ?^ imports.mod [(collect-simple-molds defs.mod) *(map term shape)]
12819+ (grec-collect-molds defs.mod)
12820+ =/ molds=imolds molds.collected
12821+ =/ globals=(list term) (weld prelude-values (weld (import-binding-names imports.mod) vals))
12822+ =/ surs=(list term) (collect-sur-imports imports.mod)
12823+ =/ marks=(list term) (collect-mark-imports imports.mod)
12824+ =/ reserved=(list term) (weld prelude-molds (turn resolved.p.js |=(j=[face=term interface=ifile] face.j)))
12825+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
12826+ =/ state=istate [0 ~ ~ ~ molds globals externals surs mark-externals marks resolved.p.js reserved ~ ~ ~ | at top prelude ~ 256 ~ ~ ~ ~ ~ ~]
12827+ :: Source and scope were checked above; preserve that exact root and prelude.
12828+ :: This first integration only indexes import-free library sources.
12829+ =/ index=(unit [at=path source=@t prelude=ifile shapes=(map term shape)])
12832+ =/ standard=(unit ischeme) (find-jibb-mold %list u.prelude)
12834+ ?. =(u.standard [[%collection %list ~[[%var 0]]] ~[0]]) ~
12835+ =/ index=(map term shape) proofs.collected
12836+ ?. !=(index *(map term shape)) ~
12837+ ?: (lien molds |=(m=[name=term body=shape] =(%list name.m))) ~
12838+ `[at src u.prelude index]
12839+ =. grec-index.state index
12840+ =/ mts=(each imold-types imold-failure) (module-mold-types-detail molds state)
12842+ ?~ overlap.p.mts [%| [(crip "{(trip message.p.mts)}: {(spud at)}") ~]]
12843+ =/ witness=[name=term cases=upair] u.overlap.p.mts
12844+ =/ first=@t (show-error src [at line.beg.first.cases.witness col.beg.first.cases.witness "first union case"])
12845+ =/ second=@t (show-error src [at line.beg.second.cases.witness col.beg.second.cases.witness "overlapping case"])
12846+ =/ msg=@t (of-wain:format ~[(crip "module mold {(trip name.witness)} has overlapping cases") first second])
12847+ [%| [msg `[at src name.witness cases.witness]]]
12848+ =/ resolution=iresolved
12850+ (resolve-groups defs.mod molds globals externals surs mark-externals marks resolved.p.js reserved at prelude)
12851+ (resolve-groups-core defs.mod molds globals externals surs mark-externals marks resolved.p.js reserved at prelude index)
12852+ =/ env=ienv env.resolution
12853+ =/ recovered=(unit iresolved)
12856+ (program-init-context u.main u.main-parts defs.mod resolution state)
12857+ =. env ?~(recovered env env.u.recovered)
12858+ =. artifacts.resolution
12859+ ?~(recovered artifacts.resolution artifacts.u.recovered)
12861+ ?: (module-values-complete defs.mod env) env
12862+ ?: |(?=([%ui %stores *] at) ?=(^ imports.mod) ?=(^ prelude) ?=(^ prelude-values) ?=(^ prelude-molds)) env
12863+ ?: (gth (met 3 src) 65.536) env
12864+ ?: (gth (lent defs.mod) 64) env
12865+ ?. (dg-source-candidate defs.mod 64) env
12866+ =/ transaction=(unit dgcommit) (dg-root-source at src)
12867+ ?~ transaction env
12868+ ?: (dg-interface-safe env.u.transaction) env.u.transaction
12870+ ?. (module-values-complete defs.mod env)
12871+ [%| [(crip "module definitions need unsupported inference: {(spud at)}") ~]]
12872+ =/ initial=irequest-graph [(silt `(list path)`~[at]) ~ modules prelude prelude-values prelude-molds externals mark-externals]
12873+ =/ graph=(unit irequest-graph) (request-graph-merge resolved.p.js initial (add 1 (lent resolved.p.js)))
12874+ ?~ graph [%| ['module request evidence needs unsupported inference' ~]]
12875+ ?. ?~(main & ?~(main-parts | (program-main-closed u.main-parts defs.mod env prelude resolved.p.js u.graph)))
12876+ [%| [(crip "module kind needs unsupported inference: {(spud at)}") ~]]
12877+ =/ iface=ifile [env p.mts at ~ artifacts.resolution ~ `src graph]
12878+ [%& [iface [[at iface] cache.p.js]]]
12880+:: A source-bound analysis of one named mold, not a module, island,
12881+:: request, watchability or runtime check. The host owns the trusted
12882+:: prepared prelude, canonical paths and reader/source version identities.
12883+:: The 256-node cap covers only classification, not source/graph work.
12885+ [at=path source=@t name=term prepared=iprelude externals=iexternals marks=imark-externals modules=jbundle dependencies=jcache mold=ischeme requested=@ud budget=@ud result=igate-free]
12886+++ gate-free-mold-source
12887+ |= [file=path src=@t name=term externals=iexternals marks=imark-externals modules=jbundle prepared=(unit iprelude) fuel=@ud]
12888+ ^- (each igate-free-mold @t)
12889+ ?~ file [%| 'mold analysis needs a path ending in jibb']
12890+ ?. =(%jibb (rear file)) [%| 'mold analysis needs a path ending in jibb']
12891+ ?: |(=(file /lib/jibb/internal/jibb) =(file /lib/jibb/primitives/jibb))
12892+ [%| 'the prelude internal modules are private']
12893+ ?: ?=([%ui %api *] file) [%| 'API declarations need unsupported mold analysis']
12894+ ?: ?=([%ui %stores *] file) [%| 'store declarations need unsupported mold analysis']
12895+ =/ entries=jbundle (skim modules |=(m=jsource =(file at.m)))
12896+ ?: (gth (lent entries) 1) [%| 'duplicate root module sources']
12897+ =/ wrong-root=? ?~(entries | !=(source.i.entries src))
12898+ ?: wrong-root [%| 'root module source does not match bundle']
12899+ =/ parsed (parse file src)
12900+ ?: ?=(%| -.parsed) [%| 'mold source does not parse']
12901+ =/ mod=module p.parsed
12902+ =/ duplicate=(unit idiag) (duplicate-defs defs.mod)
12903+ ?^ duplicate [%| (show-duplicate-fields file src u.duplicate)]
12904+ ?~ prepared [%| 'mold analysis needs the prepared prelude']
12905+ ?. (module-scope-valid mod values.u.prepared molds.u.prepared)
12906+ [%| 'mold source has conflicting or unsupported scope']
12907+ =/ selected=(list def)
12908+ (skim defs.mod |=(d=def &(?=(%mold -.d) =(name.d name))))
12909+ ?~ selected [%| 'selected mold is not declared']
12910+ ?^ t.selected [%| 'selected mold is not unique']
12911+ ?> ?=(%mold -.i.selected)
12912+ =/ public=ifile iface.u.prepared
12913+ =/ js=jimports-result
12914+ (resolve-jibb-imports imports.mod externals marks modules ~[file] values.u.prepared molds.u.prepared ~ `public)
12915+ ?: ?=(%| -.js) [%| p.js]
12916+ =/ ms=imolds (collect-simple-molds defs.mod)
12917+ =/ vals=(list term) (global-value-names defs.mod)
12918+ =/ globals=(list term) (weld values.u.prepared (weld (import-binding-names imports.mod) vals))
12919+ =/ surs=(list term) (collect-sur-imports imports.mod)
12920+ =/ declared=(list term) (collect-mark-imports imports.mod)
12921+ =/ reserved=(list term) (weld molds.u.prepared (turn resolved.p.js |=(j=[face=term interface=ifile] face.j)))
12922+ =/ top=(list term) (turn ms |=(m=[name=term body=shape] name.m))
12923+ =/ state=istate [0 ~ ~ ~ ms globals externals surs marks declared resolved.p.js reserved ~ ~ ~ | file top `public ~ 256 ~ ~ ~ ~ ~ ~]
12924+ =/ inferred=(unit [template=ischeme state=istate])
12925+ (infer-mold-template shape.i.selected state(active ~[name], in-mold &))
12926+ ?~ inferred [%| 'selected mold needs unsupported inference']
12927+ =/ template=ischeme template.u.inferred
12928+ =. typ.template (label-direct-union typ.template shape.i.selected name state)
12929+ =. typ.template (itype-normalize typ.template sub.state.u.inferred)
12930+ =/ cap=@ud (min fuel 256)
12931+ =/ analysis=igate-free (gate-free-type typ.template cap ~)
12932+ [%& [file src name u.prepared externals marks modules cache.p.js template fuel cap analysis]]
12934+:: +golden-types-with-modules fails closed for imports without prelude
12935+:: scope. +golden-types-with-prelude resolves supported library graphs;
12936+:: its report remains partial and unreachable sources are not examined.
12938+++ golden-types-with-modules
12939+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals modules=jbundle]
12941+ =/ parsed (parse file src)
12942+ ?: ?=(%| -.parsed) (show-error src p.parsed)
12943+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
12944+ ?^ duplicate (duplicate-fields-report file src u.duplicate)
12945+ ?: (lien imports.p.parsed |=(i=import ?=(%jibb -.i)))
12946+ 'partial inference; module not checked\0aprelude source missing; module import inference unsupported'
12947+ (golden-types-with-marks file src externals mark-externals)
12949+:: The caller supplies the actual prelude source. Its declared names are
12950+:: reserved, and supported inferred types are made available. The inventory
12951+:: and the checker are incomplete, so this never claims a checked module.
12952+:: Hosts may prepare the same trusted source once and reuse its interface.
12954+++ golden-types-with-prelude
12955+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals modules=jbundle prelude-source=@t]
12957+ =/ parsed (parse file src)
12958+ ?: ?=(%| -.parsed) (show-error src p.parsed)
12959+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
12960+ ?^ duplicate (duplicate-fields-report file src u.duplicate)
12961+ ?: =(0 prelude-source) 'partial inference; module not checked\0aprelude source missing; module import inference unsupported'
12962+ =/ prelude (parse /lib/jibb/prelude/jibb prelude-source)
12963+ ?: ?=(%| -.prelude) 'partial inference; module not checked\0aprelude source does not parse; module import inference unsupported'
12964+ =/ prepared=(unit iprelude) (prepare-prelude prelude-source)
12965+ ?~ prepared 'partial inference; module not checked\0aprelude interface is not supported'
12966+ (golden-types-with-prepared-prelude file src externals mark-externals modules prepared)
12968+++ golden-types-with-prelude-and-internal
12969+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals modules=jbundle prelude-source=@t internal-source=@t]
12971+ =/ prepared=(unit iprelude) (prepare-prelude-with-internal prelude-source internal-source)
12972+ (golden-types-with-prepared-prelude file src externals mark-externals modules prepared)
12974+++ golden-types-with-prepared-prelude
12975+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals modules=jbundle prepared=(unit iprelude)]
12977+ =/ parsed (parse file src)
12978+ ?: ?=(%| -.parsed) (show-error src p.parsed)
12979+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
12980+ ?^ duplicate (duplicate-fields-report file src u.duplicate)
12981+ ?~ prepared 'partial inference; module not checked\0aprelude interface is not supported'
12982+ =/ prelude-values=(list term) values.u.prepared
12983+ =/ prelude-molds=(list term) molds.u.prepared
12984+ =/ iface=(unit ifile) `iface.u.prepared
12985+ ?. (module-scope-valid p.parsed prelude-values prelude-molds)
12986+ ?: (pending-declared-poke file p.parsed prelude-values prelude-molds)
12987+ 'partial inference; module not checked\0amodule kind or scope needs unsupported inference'
12988+ 'partial inference; module not checked\0amodule has conflicting names'
12989+ =/ js=jimports-result
12990+ (resolve-jibb-imports imports.p.parsed externals mark-externals modules ~[file] prelude-values prelude-molds ~ iface)
12991+ ?: ?=(%| -.js) (of-wain:format ~['partial inference; module not checked' p.js])
12992+ =/ scope-values=(list term)
12993+ (weld prelude-values (weld (collect-sur-imports imports.p.parsed) (collect-mark-imports imports.p.parsed)))
12994+ (golden-types-in-context-core file src externals mark-externals resolved.p.js scope-values prelude-molds iface prepared)
5673:: +golden-types-with-marks: supply declared mark types separately from /sur
12996:: +golden-types-with-marks: supply declared mark types separately from /sur
5674:: entries, as [mark result] with the result from +read-mark:jibb-import.
12997:: entries, as [mark result] with the result from +read-mark:jibb-import.
5675:: Unknown, duplicated, failed and undeclared entries never resolve a mold.
12998:: Unknown, duplicated, failed and undeclared entries never resolve a mold.
13000+:: Callers pass unchanged structured reader results; graph validation
13001+:: remains in the existing bridge, and failures stay available lazily.
13002+++ reader-result-for-checker
13005+ ?: ?=([%ok *] result) [%& +.result]
13008+++ golden-types-with-reader-diagnostics
13009+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals]
13012+ (turn externals |=(e=[module=term name=term result=*] [module.e name.e (reader-result-for-checker result.e)]))
13013+ =/ mx=imark-externals
13014+ (turn mark-externals |=(e=[mark=term result=*] [mark.e (reader-result-for-checker result.e)]))
13015+ (golden-types-with-marks file src ex mx)
5677++ golden-types-with-marks
13017++ golden-types-with-marks
5678 |= [file=path src=@t externals=iexternals mark-externals=imark-externals]
13018 |= [file=path src=@t externals=iexternals mark-externals=imark-externals]
13020+ (golden-types-in-context file src externals mark-externals ~ ~ ~ ~)
13022+++ golden-types-in-context
13023+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals jimports=ijimports prelude-values=(list term) reserved-molds=(list term) prelude=(unit ifile)]
13025+ (golden-types-in-context-core file src externals mark-externals jimports prelude-values reserved-molds prelude ~)
13026+++ golden-types-in-context-core
13027+ |= [file=path src=@t externals=iexternals mark-externals=imark-externals jimports=ijimports prelude-values=(list term) reserved-molds=(list term) prelude=(unit ifile) prepared=(unit iprelude)]
13029+ =. reserved-molds (weld reserved-molds (turn jimports |=(j=[face=term interface=ifile] face.j)))
5680 =/ parsed (parse file src)
13030 =/ parsed (parse file src)
5681 ?: ?=(%| -.parsed) (show-error src p.parsed)
13031 ?: ?=(%| -.parsed) (show-error src p.parsed)
13032+ =/ duplicate=(unit idiag) (duplicate-defs defs.p.parsed)
13033+ ?^ duplicate (duplicate-fields-report file src u.duplicate)
13034+ ?: (module-has-reserved-proj p.parsed)
13035+ 'module has reserved proj name'
5682 =/ ds=(list def) defs.p.parsed
13036 =/ ds=(list def) defs.p.parsed
5683 =/ molds=imolds (collect-simple-molds ds)
13037 =/ molds=imolds (collect-simple-molds ds)
5684− =/ globals=(list term) (global-value-names ds)
13038+ =/ globals=(list term) (weld prelude-values (weld (turn jimports |=(j=[face=term interface=ifile] face.j)) (global-value-names ds)))
5685 =/ surs=(list term) (collect-sur-imports imports.p.parsed)
13039 =/ surs=(list term) (collect-sur-imports imports.p.parsed)
5686 =/ marks=(list term) (collect-mark-imports imports.p.parsed)
13040 =/ marks=(list term) (collect-mark-imports imports.p.parsed)
5687− =/ env=ienv (resolve-supported-defs ds molds globals externals surs mark-externals marks)
13041+ =/ resolution=iresolved (resolve-groups ds molds globals externals surs mark-externals marks jimports reserved-molds file prelude)
13042+ =/ cycles=(list icycle) (definite-value-cycles ds globals)
13043+ =/ env=ienv env.resolution
13044+ =/ recovered=(list term) ~
13046+ ?& ?=(~ imports.p.parsed)
13048+ !?=([%ui %api *] file)
13049+ !?=([%ui %stores *] file)
13050+ !(lien (global-value-names ds) |=(n=term =(n %main)))
13051+ !(module-values-complete ds env)
13052+ (lte (met 3 src) 65.536)
13053+ (lte (lent ds) 64)
13054+ ?| &(?=(~ prepared) ?=(~ prelude) ?=(~ prelude-values) ?=(~ reserved-molds) (module-scope-valid p.parsed ~ ~) (dg-source-candidate ds 64))
13057+ =(u.prelude iface.u.prepared)
13058+ =(prelude-values values.u.prepared)
13059+ =(reserved-molds molds.u.prepared)
13060+ (module-scope-valid p.parsed values.u.prepared molds.u.prepared)
13061+ (dg-prepared-candidate ds 64)
13065+ =/ transaction=(unit dgcommit)
13067+ ?~ prepared (dg-root-source file src)
13068+ (dg-root-prepared file src u.prepared)
13071+ ?. &((module-values-complete ds env.u.transaction) (dg-interface-safe env.u.transaction)) ~
13072+ (turn (skim env.u.transaction |=(entry=[name=term scheme=ischeme] ?=(~ (ienv-lookup name.entry env)))) |=(entry=[name=term scheme=ischeme] name.entry))
13074+ ?~ transaction env
13075+ ?: &((module-values-complete ds env.u.transaction) (dg-interface-safe env.u.transaction)) env.u.transaction
13077+ =/ source-defs=(map term def) (direct-checked-gates ds env)
13078+ =/ heads=(unit igate-prelude-evidence) (direct-prelude-evidence ds prelude)
5688 =/ lines=(list @t) ~
13079 =/ lines=(list @t) ~
5690 ?~ ds (of-wain:format ['partial inference; module not checked' (flop lines)])
13081 ?~ ds (of-wain:format ['partial inference; module not checked' (flop lines)])
@@ -5693,18 +13084,730 @@
5693 $(ds t.ds, lines [(show-partial-mold file src d molds) lines])
13084 $(ds t.ds, lines [(show-partial-mold file src d molds) lines])
5694 ?. (unique-value-name name.d globals)
13085 ?. (unique-value-name name.d globals)
5695 $(ds t.ds, lines [(crip "++ {(trip name.d)}: name already in scope") lines])
13086 $(ds t.ds, lines [(crip "++ {(trip name.d)}: name already in scope") lines])
13087+ =/ cycle=(list icycle) (skim cycles |=(c=icycle =(name.c name.d)))
13089+ =/ diag=idiag ["non-gate value depends on itself through a cycle" ~[[first.i.cycle "value in cycle"] [next.i.cycle "dependency in cycle"]]]
13090+ $(ds t.ds, lines [(show-inference-diagnostic file src name.d diag) lines])
13091+ ?: (lien recovered |=(n=term =(n name.d)))
13092+ =/ found=(unit ischeme) (ienv-lookup name.d env)
13093+ ?~ found $(ds t.ds, lines [(crip "++ {(trip name.d)}: committed definition unavailable") lines])
13094+ ?: (itype-has-hidden-recursive typ.u.found)
13095+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: recursive mold name is not available in this scope") lines])
13096+ ?: (itype-has-hidden-generic typ.u.found)
13097+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: generic union name is not available in this scope") lines])
13098+ =/ typ=itype (canonical-itype typ.u.found vars.u.found)
13099+ =/ line=@t (crip "++ {(trip name.d)}: {(show-itype typ ~)}{(show-atom-constraint typ)}")
13100+ $(ds t.ds, lines [line lines])
13101+ ?: (lien grouped.resolution |=(n=term =(n name.d)))
13102+ =/ found=(unit ischeme) (ienv-lookup name.d env)
13103+ ?~ found $(ds t.ds, lines [(crip "++ {(trip name.d)}: recursive group unavailable") lines])
13104+ =/ typ=itype (canonical-itype typ.u.found vars.u.found)
13105+ =/ line=@t (crip "++ {(trip name.d)}: {(show-itype typ ~)}{(show-atom-constraint typ)}")
13106+ $(ds t.ds, lines [line lines])
13107+ =/ top=(list term) (turn molds |=(m=[name=term body=shape] name.m))
5696− =/ result=iresult (infer-fragment val.d env [0 ~ ~ ~ molds globals externals surs mark-externals marks ~ |])
13108+ =/ initial=istate [0 ~ ~ ~ molds globals externals surs mark-externals marks jimports reserved-molds ~ ~ ~ | file top prelude ~ 256 ~ ~ ~ ~ ~ ~]
13109+ =. gate-defs.initial source-defs
13110+ =. head-evidence.initial heads
13111+ =. initial (reserve-def-caps val.d initial)
13113+ ?: |(?=(%gate -.val.d) ?=(%gate-wide -.val.d))
13114+ (infer-recursive-gate d env initial)
13115+ (infer-fragment val.d env initial)
5697 ?: ?=(%| -.result)
13116 ?: ?=(%| -.result)
5698 $(ds t.ds, lines [(show-inference-diagnostic file src name.d p.result) lines])
13117 $(ds t.ds, lines [(show-inference-diagnostic file src name.d p.result) lines])
13118+ =. state.p.result (promote-restricted-numbers state.p.result env)
13119+ =. state.p.result (default-hole-numbers holes.state.p.result holes.initial state.p.result env !(itype-has-gate (itype-normalize typ.p.result sub.state.p.result)))
13120+ =/ hole=(unit idiag) (unresolved-hole holes.state.p.result holes.initial state.p.result)
13122+ $(ds t.ds, lines [(show-inference-diagnostic file src name.d u.hole) lines])
13123+ =/ merged=(unit [first=icap second=icap])
13124+ (merged-capitals caps.state.p.result sub.state.p.result)
13127+ ["distinct type variables `{(trip name.first.u.merged)}` and `{(trip name.second.u.merged)}` must not be forced equal; use the same capital for a shared type" ~[[at.first.u.merged "first type variable"] [at.second.u.merged "second type variable"]]]
13128+ $(ds t.ds, lines [(show-inference-diagnostic file src name.d diag) lines])
5699 ?: (constrained-capitals caps.state.p.result sub.state.p.result)
13129 ?: (constrained-capitals caps.state.p.result sub.state.p.result)
5700 $(ds t.ds, lines [(crip "++ {(trip name.d)}: explicit capital constraints are not supported by partial inference") lines])
13130 $(ds t.ds, lines [(crip "++ {(trip name.d)}: explicit capital constraints are not supported by partial inference") lines])
5701− =/ typ=itype (itype-normalize typ.p.result sub.state.p.result)
13131+ =/ typ=itype (default-decimals (itype-normalize typ.p.result sub.state.p.result))
13132+ ?: (pending-null tags.state.p.result sub.state.p.result)
13133+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: `~` needs context in partial inference") lines])
13134+ ?: |((pending-tags tags.state.p.result sub.state.p.result) (itype-has-tag typ))
13135+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: tag needs context in partial inference") lines])
13136+ ?: (itype-has-hidden-recursive typ)
13137+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: recursive mold name is not available in this scope") lines])
13138+ ?: (itype-has-hidden-generic typ)
13139+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: generic union name is not available in this scope") lines])
5702 ?: (unsupported-atom-vars typ caps.state.p.result binders.state.p.result sub.state.p.result)
13140 ?: (unsupported-atom-vars typ caps.state.p.result binders.state.p.result sub.state.p.result)
5703 $(ds t.ds, lines [(crip "++ {(trip name.d)}: unresolved aura-variable inference") lines])
13141 $(ds t.ds, lines [(crip "++ {(trip name.d)}: unresolved aura-variable inference") lines])
5704 =/ vars=(list @ud) (unique-type-vars (itype-vars typ))
13142 =/ vars=(list @ud) (unique-type-vars (itype-vars typ))
5705 ?: (gth (lent vars) 26)
13143 ?: (gth (lent vars) 26)
5706 $(ds t.ds, lines [(crip "++ {(trip name.d)}: too many variables for partial printer") lines])
13144 $(ds t.ds, lines [(crip "++ {(trip name.d)}: too many variables for partial printer") lines])
13145+ ?~ (width-finalize projections.state.p.result sub.state.p.result vars)
13146+ $(ds t.ds, lines [(crip "++ {(trip name.d)}: record projection elaboration needs unsupported inference") lines])
5707 =/ printable=itype (canonical-itype typ vars)
13147 =/ printable=itype (canonical-itype typ vars)
5708 =/ line=@t (crip "++ {(trip name.d)}: {(show-itype printable ~)}{(show-atom-constraint printable)}")
13148 =/ line=@t (crip "++ {(trip name.d)}: {(show-itype printable ~)}{(show-atom-constraint printable)}")
5709 $(ds t.ds, lines [line lines])
13149 $(ds t.ds, lines [line lines])
13150+:: Experimental module-owned pending-constraint generalization only.
13151+:: Inputs, IDs and substitution come from one checker-owned transaction.
13152++$ dgscan [ids=(list @ud) fuel=@ud]
13154+ |= [todo=(list itype) sub=isub fuel=@ud ids=(list @ud)]
13156+ ?~ todo `[ids fuel]
13158+ =. fuel (dec fuel)
13160+ ?: ?=(?(%var %avar %rvar %nvar %rnvar %tag) -.t)
13161+ =/ node-id=@ud ?:(?=(%tag -.t) id.t +.t)
13162+ =/ found=(unit itype) (itype-lookup node-id sub)
13163+ ?~ found $(todo t.todo, ids [node-id ids])
13164+ ?: &(?=(?(%rvar %rnvar) -.u.found) =(node-id +.u.found))
13165+ $(todo t.todo, ids [node-id ids])
13166+ $(todo [u.found t.todo])
13167+ ?: ?=(%jrec -.t) $(todo t.todo)
13169+ %collection $(todo (weld args.t t.todo))
13170+ %union $(todo (weld args.t (weld cases.t t.todo)))
13171+ %face $(todo [body.t t.todo])
13172+ %fn $(todo [sample.t product.t t.todo])
13173+ %cell $(todo [hed.t tal.t t.todo])
13174+ %atom $(todo t.todo)
13175+ %any-atom $(todo t.todo)
13176+ %flag $(todo t.todo)
13177+ %noun $(todo t.todo)
13178+ %empty $(todo t.todo)
13179+ %const $(todo t.todo)
13183+ |= [ids=(list @ud) sub=isub fuel=@ud blocked=(list @ud)]
13185+ ?~ ids `[blocked fuel]
13186+ =/ one=(unit dgscan) (dg-scan ~[[%var i.ids]] sub fuel blocked)
13188+ $(ids t.ids, fuel fuel.u.one, blocked ids.u.one)
13191+ |= [env=ienv sub=isub fuel=@ud blocked=(list @ud)]
13193+ ?~ env `[blocked fuel]
13194+ =/ sc=ischeme scheme.i.env
13195+ :: Quantifiers are local to the scheme: first find raw free IDs, then
13196+ :: follow those IDs in the module substitution without capturing them.
13197+ =/ raw=(unit dgscan) (dg-scan ~[typ.sc] ~ fuel ~)
13199+ =/ free=(list @ud) (skim ids.u.raw |=(n=@ud !(lien vars.sc |=(q=@ud =(q n)))))
13200+ =/ resolved=(unit dgscan) (dg-scan-ids free sub fuel.u.raw blocked)
13202+ $(env t.env, fuel fuel.u.resolved, blocked ids.u.resolved)
13205+ |= [pending=(list dgo) sub=isub fuel=@ud blocked=(list @ud)]
13207+ ?~ pending `[blocked fuel]
13208+ =/ found=(unit dgscan) (dg-scan ~[left.i.pending right.i.pending] sub fuel blocked)
13210+ $(pending t.pending, fuel fuel.u.found, blocked ids.u.found)
13213+ |= [tags=(list ipending) sub=isub fuel=@ud blocked=(list @ud)]
13215+ ?~ tags `[blocked fuel]
13217+ =/ found=(unit itype) (itype-lookup id.i.tags sub)
13218+ ?~ found $(tags t.tags, fuel (dec fuel), blocked [id.i.tags blocked])
13219+ :: Until this entry is explicitly discharged, retain variables reachable
13220+ :: through its binding; mere existence of a substitution is not proof.
13221+ =/ reached=(unit dgscan) (dg-scan ~[u.found] sub (dec fuel) blocked)
13223+ $(tags t.tags, fuel fuel.u.reached, blocked ids.u.reached)
13226+ |= [typ=itype env=ienv pending=(list dgo) tags=(list ipending) captured=(list @ud) state=istate fuel=@ud]
13228+ :: Bound the obligation list and all graph/substitution walks. The
13229+ :: substitution is assumed checker-owned and occurs-checked.
13230+ ?: (gth (lent pending) 64) ~
13231+ =/ capt=(unit dgscan) (dg-scan-ids captured sub.state fuel ~)
13233+ =/ env-free=(unit dgscan) (dg-env env sub.state fuel.u.capt ids.u.capt)
13235+ =/ obligations=(unit dgscan) (dg-obligations pending sub.state fuel.u.env-free ids.u.env-free)
13237+ =/ tagged=(unit dgscan) (dg-tags tags sub.state fuel.u.obligations ids.u.obligations)
13239+ =/ bounded=(unit dgscan) (dg-scan ~[typ] sub.state fuel.u.tagged ~)
13241+ =/ normalized=itype (itype-normalize typ sub.state)
13242+ =/ vars=(list @ud) (unique-type-vars (itype-vars normalized))
13243+ =/ quantified=(list @ud) (skim vars |=(n=@ud !(lien ids.u.tagged |=(b=@ud =(b n)))))
13244+ `[[normalized quantified]]
13246++$ dgcommit [env=ienv state=istate]
13247+:: A branch literal must not acquire a value face through replay.
13248+++ dg-literal-target-safe
13251+ ?: ?=(%union -.target)
13252+ (levy cases.target |=(c=itype ?=(?(%const %cell) -.c)))
13253+ ?=(?(%const %atom %any-atom %flag %noun) -.target)
13256+ |= [edges=(list dgo) state=istate fuel=@ud]
13260+ =/ trial=ifit (itype-fit left.i.edges right.i.edges sub.state next.state)
13261+ ?. ?=(%ok -.trial) ~
13263+ ?: ?=(%tag -.left.i.edges)
13264+ ?. constructor.left.i.edges
13265+ =/ closed=(unit dgscan) (dg-scan ~[right.i.edges] sub.trial 512 ~)
13268+ (dg-literal-target-safe (itype-normalize right.i.edges sub.trial))
13269+ =((itype-walk left.i.edges sub.trial) (itype-walk right.i.edges sub.trial))
13270+ =((itype-walk left.i.edges sub.trial) (itype-walk right.i.edges sub.trial))
13272+ $(edges t.edges, state state(sub sub.trial, next next.trial), fuel (dec fuel))
13275+ |= [env=ienv sub=isub fuel=@ud]
13279+ =/ s=ischeme scheme.i.env
13280+ :: Quantified IDs are scheme-local and cannot be rewritten on publication.
13281+ ?. (levy vars.s |=(n=@ud ?=(~ (itype-lookup n sub)))) ~
13282+ =/ bounded=(unit dgscan) (dg-scan ~[typ.s] sub (dec fuel) ~)
13284+ =/ normalized=itype (itype-normalize typ.s sub)
13285+ ?: (itype-has-tag normalized) ~
13286+ =/ vars=(list @ud) (unique-type-vars (itype-vars normalized))
13287+ ?. (levy vars |=(n=@ud (lien vars.s |=(v=@ud =(v n))))) ~
13288+ =/ rest=(unit ienv) (dg-close-env t.env sub fuel.u.bounded)
13290+ `[[name.i.env [normalized vars.s]] u.rest]
13292+:: A deferred boolean branch has exactly the two literal flag patterns.
13293+:: Arms are inferred in order. Equal types are retained; two direct pending
13294+:: literals may instead retain source-owned obligations for later context.
13295+++ dg-boolean-patterns
13298+ ?. ?=(%branch -.e) |
13303+ =/ y=arm i.t.arms.e
13304+ ?. &(?=(%lit -.pat.x) ?=(%lit -.pat.y)) |
13305+ ?. &(=(%loobean form.lit.pat.x) =(%loobean form.lit.pat.y)) |
13306+ !=(val.lit.pat.x val.lit.pat.y)
13307+:: Only a direct source literal which created its own unbound pending tag
13308+:: may create a branch edge. The caller must retain the exact source and state.
13309+++ dg-owned-arm-literal
13310+ |= [e=expr t=itype tags=(list ipending) sub=isub initial=@ud]
13314+ ?: constructor.t |
13315+ ?. =(lit.e literal.t) |
13316+ ?: (lth id.t initial) |
13317+ ?^ (itype-lookup id.t sub) |
13318+ (lien tags |=(x=ipending &(=(id.x id.t) =(literal.x literal.t))))
13319+++ dg-boolean-branch
13320+ |= [e=expr env=ienv state=istate]
13322+ ?. (dg-boolean-patterns e) [%| ["deferred branch patterns need unsupported inference" ~]]
13323+ ?> ?=(%branch -.e)
13327+ =/ y=arm i.t.arms.e
13328+ =/ subject=iresult (infer-fragment subject.e env state)
13329+ ?: ?=(%| -.subject) subject
13330+ =/ su=(unit isub) (itype-unify typ.p.subject [%flag ~] sub.state.p.subject)
13331+ ?~ su [%| ["deferred branch subject does not unify with ?" ~]]
13332+ =/ left=iresult (infer-fragment val.x env state.p.subject(sub u.su))
13333+ ?: ?=(%| -.left) left
13334+ =/ right=iresult (infer-fragment val.y env state.p.left)
13335+ ?: ?=(%| -.right) right
13336+ ?. (dg-stable-fit typ.p.left typ.p.right sub.state.p.right)
13337+ =/ st=istate state.p.right
13338+ ?. (dg-owned-arm-literal val.x typ.p.left tags.st sub.st next.state)
13339+ [%| ["deferred branch arm context needs unsupported inference" ~]]
13340+ ?. (dg-owned-arm-literal val.y typ.p.right tags.st sub.st next.state)
13341+ [%| ["deferred branch arm context needs unsupported inference" ~]]
13342+ ?> ?=(%tag -.typ.p.left)
13343+ ?> ?=(%tag -.typ.p.right)
13344+ ?: =(id.typ.p.left id.typ.p.right)
13345+ [%| ["deferred branch arm context needs unsupported inference" ~]]
13346+ ?: (gth (lent obligations.st) 62)
13347+ [%| ["deferred branch arm context needs unsupported inference" ~]]
13348+ =/ result=itype [%var next.st]
13349+ =/ ex=dgo [typ.p.left result (span-of val.x) (span-of e)]
13350+ =/ ey=dgo [typ.p.right result (span-of val.y) (span-of e)]
13351+ [%& result st(next +(next.st), obligations [ex ey obligations.st])]
13352+ [%& typ.p.left state.p.right]
13354+:: A direct tuple literal may wait for a later exact result context.
13355+:: Each pending literal retains its source tag and its own fit obligation.
13356+++ dg-infer-tuple-items
13357+ |= [items=(list item) env=ienv state=istate]
13359+ ?~ items [%| ["empty cell is not supported by partial inference" ~]]
13360+ =/ head=iresult (infer-fragment val.i.items env state)
13361+ ?: ?=(%| -.head) head
13362+ =/ typ=itype typ.p.head
13363+ =/ st=istate state.p.head
13364+ =/ adjusted=(unit [typ=itype state=istate])
13365+ ?. (dg-owned-arm-literal val.i.items typ tags.st sub.st next.state) `[typ st]
13366+ ?: (gth (lent obligations.st) 63) ~
13367+ =/ pending=itype [%var next.st]
13368+ =/ edge=dgo [typ pending (span-of val.i.items) at.i.items]
13369+ `[pending st(next +(next.st), obligations [edge obligations.st])]
13370+ ?~ adjusted [%| ["deferred tuple context needs unsupported inference" ~]]
13371+ =. typ typ.u.adjusted
13372+ =. st state.u.adjusted
13373+ =. typ ?~(face.i.items typ [%face u.face.i.items typ])
13374+ ?~ t.items [%& typ st]
13375+ =/ tail=iresult $(items t.items, state st)
13376+ ?: ?=(%| -.tail) tail
13377+ [%& [%cell typ typ.p.tail] state.p.tail]
13379+:: Deferred inference uses only source forms whose successful fit sites are
13380+:: guarded below; a shared source-node budget bounds this screen.
13381+++ dg-safe-expressions
13382+ |= [todo=(list expr) fuel=@ud]
13385+ =/ first=(unit @ud) (dg-safe-expression i.todo fuel)
13387+ $(todo t.todo, fuel u.first)
13389+ |= [items=(list item) fuel=@ud]
13392+ =/ first=(unit @ud) (dg-safe-expression val.i.items fuel)
13394+ $(items t.items, fuel u.first)
13395+++ dg-safe-expression
13396+ |= [e=expr fuel=@ud]
13399+ =. fuel (dec fuel)
13401+ ?(%lit %ctor) `fuel
13402+ %wing ?:(?=([@ ~] names.e) `fuel ~)
13404+ ?. (levy pieces.e |=(p=piece ?=(%text -.p))) ~
13406+ %group $(e inner.e, fuel fuel)
13409+ $(e final.e, fuel fuel)
13410+ %gate $(e body.e, fuel fuel)
13411+ %gate-wide $(e body.e, fuel fuel)
13412+ %tuple (dg-safe-items items.e fuel)
13414+ ?. (dg-boolean-patterns e) ~
13417+ =/ subject=(unit @ud) $(e subject.e, fuel fuel)
13419+ (dg-safe-expressions ~[val.i.arms.e val.i.t.arms.e] u.subject)
13420+ %cast $(e val.e, fuel fuel)
13422+ =/ head=(unit @ud) $(e head.e, fuel fuel)
13424+ (dg-safe-expressions args.e u.head)
13426+:: Exact normalized equality is preserved by all later substitutions.
13427+:: The bounded scan declines opaque types and oversized inputs.
13429+ |= [actual=itype expected=itype sub=isub]
13431+ ?~ (dg-scan ~[actual expected] sub 512 ~) |
13432+ =((itype-normalize actual sub) (itype-normalize expected sub))
13434+:: A positional call peels sample-slot faces during its separate face check.
13435+:: Require its argument, sample and result closed so that check stays valid.
13436+++ dg-stable-call-fit
13437+ |= [actual=itype expected=itype product=itype sub=isub positional=?]
13439+ =/ checked=(unit dgscan) (dg-scan ~[actual expected product] sub 512 ~)
13441+ ?: &(positional ?=(^ ids.u.checked)) |
13442+ =((itype-normalize actual sub) (itype-normalize expected sub))
13444+:: One definition attempt retains state only when inference succeeds.
13445++$ dg-step [env=ienv state=istate pending=(list dgo)]
13447+ |= [d=def env=ienv state=istate]
13450+ ?~ (dg-safe-expression val.d 512) ~
13451+ =/ local=istate (reserve-def-caps val.d state)
13452+ :: This first slice declines all written capitals and holes/projections.
13454+ =/ ordinary=iresult (infer-fragment val.d env local)
13455+ ?: ?=(%| -.ordinary) ~
13456+ =/ typ=itype typ.p.ordinary
13457+ =/ after=istate state.p.ordinary
13458+ =/ edges=(list dgo) obligations.after
13459+ ?. =(binders.after binders.state) ~
13460+ ?. =(molds.after molds.state) ~
13461+ ?. =(globals.after globals.state) ~
13462+ ?. =(externals.after externals.state) ~
13463+ ?. =(surs.after surs.state) ~
13464+ ?. =(mark-externals.after mark-externals.state) ~
13465+ ?. =(marks.after marks.state) ~
13466+ ?. =(jimports.after jimports.state) ~
13467+ ?. =(reserved-molds.after reserved-molds.state) ~
13468+ ?. =(params.after params.state) ~
13469+ ?. =(active.after active.state) ~
13470+ ?. =(in-mold.after in-mold.state) ~
13471+ ?. =(at.after at.state) ~
13472+ ?. =(top-molds.after top-molds.state) ~
13473+ ?. =(prelude.after prelude.state) ~
13474+ ?. =(gate-defs.after gate-defs.state) ~
13475+ ?. =(head-evidence.after head-evidence.state) ~
13476+ ?. =(grec-index.after grec-index.state) ~
13477+ ?. =(defer.after defer.state) ~
13478+ ?. =(holes.after holes.state) ~
13479+ ?. =(caps.after caps.state) ~
13480+ ?. =(projections.after projections.state) ~
13481+ ?: (unsupported-atom-vars (itype-normalize typ sub.after) caps.after binders.after sub.after) ~
13482+ ?: (itype-has-nvar (itype-normalize typ sub.after)) ~
13483+ =/ scheme=(unit ischeme) (dg-generalize typ env edges tags.after ~ after 32.768)
13485+ `[[[name.d u.scheme] env] after edges]
13486+:: Retry only definitions that did not infer. Successful definitions are
13487+:: committed into the local transaction, never published until all close.
13489+ |= [ds=(list def) base=ienv env=ienv state=istate pending=(list dgo) fuel=@ud]
13490+ ^- (unit dgcommit)
13491+ ?: (gth fuel 64) ~
13492+ ?: (gth (lent ds) fuel) ~
13493+ =/ remaining=(list def) ds
13494+ =/ waiting=(list def) ~
13496+ =/ attempts=@ud (mul fuel fuel)
13501+ $(remaining (flop waiting), waiting ~, progress |)
13502+ =/ replayed=(unit istate) (dg-replay-edges pending state 64)
13504+ ?: (pending-tags tags.u.replayed sub.u.replayed) ~
13505+ =/ closed-edges=(unit dgscan) (dg-obligations pending sub.u.replayed 32.768 ~)
13507+ ?^ ids.u.closed-edges ~
13508+ =/ rechecked=(unit istate) (dg-replay-edges pending u.replayed 64)
13510+ ?. =(sub.u.rechecked sub.u.replayed) ~
13511+ ?. =(next.u.rechecked next.u.replayed) ~
13512+ =/ closed=(unit ienv) (dg-close-env env sub.u.replayed 32.768)
13514+ `[[u.closed u.replayed(defer ~, obligations ~)]]
13515+ ?: =(0 attempts) ~
13516+ =. attempts (dec attempts)
13517+ =/ d=def i.remaining
13518+ ?: ?=(%mold -.d) $(remaining t.remaining)
13519+ ?^ (ienv-lookup name.d base) $(remaining t.remaining)
13520+ ?^ (ienv-lookup name.d env) ~
13521+ =/ done=(unit dg-step) (dg-stage-one d env state)
13522+ ?~ done $(remaining t.remaining, waiting [d waiting])
13523+ $(remaining t.remaining, env env.u.done, state state.u.done, pending pending.u.done, progress &)
13525+:: Cheap bounded eligibility check on the already parsed source. This
13526+:: deliberately covers only direct constructor calls beneath transparent
13527+:: groups, gates, casts and definition-free bodies. Other shapes decline
13528+:: this fallback without a second parse or resolution pass.
13529+++ dg-direct-source
13530+ |= [e=expr fuel=@ud]
13534+ %group $(e inner.e, fuel (dec fuel))
13535+ %gate $(e body.e, fuel (dec fuel))
13536+ %gate-wide $(e body.e, fuel (dec fuel))
13537+ %cast $(e val.e, fuel (dec fuel))
13538+ %body ?~(defs.e $(e final.e, fuel (dec fuel)) |)
13540+ ?. ?=([* ~] args.e) |
13541+ ?=(%ctor -.i.args.e)
13543+++ dg-source-candidate
13544+ |= [ds=(list def) fuel=@ud]
13548+ ?. ?=(%value -.i.ds) $(ds t.ds, fuel (dec fuel))
13549+ ?: (dg-direct-source val.i.ds 64) &
13550+ $(ds t.ds, fuel (dec fuel))
13552+++ dg-prepared-source
13553+ |= [e=expr fuel=@ud]
13555+ ?: (dg-direct-source e fuel) &
13558+ %group $(e inner.e, fuel (dec fuel))
13559+ %gate $(e body.e, fuel (dec fuel))
13560+ %gate-wide $(e body.e, fuel (dec fuel))
13561+ %cast $(e val.e, fuel (dec fuel))
13562+ %body ?~(defs.e $(e final.e, fuel (dec fuel)) |)
13565+++ dg-prepared-candidate
13566+ |= [ds=(list def) fuel=@ud]
13570+ ?. ?=(%value -.i.ds) $(ds t.ds, fuel (dec fuel))
13571+ ?: (dg-prepared-source val.i.ds 64) &
13572+ $(ds t.ds, fuel (dec fuel))
13574+++ dg-interface-safe
13578+ =/ sc=ischeme scheme.i.env
13579+ ?: |((itype-has-hidden-recursive typ.sc) (itype-has-hidden-generic typ.sc)) |
13580+ ?: (gth (lent vars.sc) 26) |
13582+:: Parse status and the transaction result come from the same source parse.
13583++$ dgparse [parsed=? result=(unit dgcommit)]
13585+ |= [at=path src=@t]
13586+ ^- (unit dgcommit)
13587+ result:(dg-root-detail at src)
13589+ |= [at=path src=@t]
13591+ =/ parsed (parse at src)
13592+ ?: ?=(%| -.parsed) [| ~]
13595+ ?^ imports.p.parsed ~
13596+ ?. (module-scope-valid p.parsed ~ ~) ~
13597+ ?^ (duplicate-defs defs.p.parsed) ~
13598+ =/ defs=(list def) defs.p.parsed
13599+ ?: (gth (lent defs) 64) ~
13600+ =/ molds=imolds (collect-simple-molds defs)
13601+ =/ globals=(list term) (global-value-names defs)
13602+ =/ resolution=iresolved (resolve-groups defs molds globals ~ ~ ~ ~ ~ ~ at ~)
13603+ ?^ grouped.resolution ~
13604+ ?^ artifacts.resolution ~
13605+ =/ base=ienv env.resolution
13606+ =/ free=(unit dgscan) (dg-env base ~ 32.768 ~)
13609+ =/ all=(unit dgscan) (dg-all-env-ids base 32.768 ~)
13611+ =/ fresh=@ud (dg-next-id ids.u.all 0)
13612+ =/ st=istate *istate
13613+ =. st st(next fresh, defer `~, molds molds, globals globals, at at, top-molds (turn molds |=(m=[name=term body=shape] name.m)), in-mold |, jrec-fuel 256)
13614+ =/ checked-molds=(each imold-types @t) (module-mold-types molds st)
13615+ ?: ?=(%| -.checked-molds) ~
13616+ (dg-stage defs base base st ~ 64)
13619+:: The caller supplies the trusted prepared prelude. This transaction is
13620+:: only report evidence; the ordinary module resolver does not publish it.
13621+++ dg-root-prepared
13622+ |= [at=path src=@t prepared=iprelude]
13623+ ^- (unit dgcommit)
13624+ ?: ?=([%ui %api *] at) ~
13625+ ?: ?=([%ui %stores *] at) ~
13626+ ?: (gth (met 3 src) 65.536) ~
13627+ =/ parsed (parse at src)
13628+ ?: ?=(%| -.parsed) ~
13629+ ?^ imports.p.parsed ~
13630+ ?. (module-scope-valid p.parsed values.prepared molds.prepared) ~
13631+ ?^ (duplicate-defs defs.p.parsed) ~
13632+ =/ defs=(list def) defs.p.parsed
13633+ ?: (gth (lent defs) 64) ~
13634+ ?: (lien (global-value-names defs) |=(n=term =(n %main))) ~
13635+ ?. (dg-prepared-candidate defs 64) ~
13636+ =/ local-molds=imolds (collect-simple-molds defs)
13637+ =/ globals=(list term) (weld values.prepared (global-value-names defs))
13638+ =/ iface=ifile iface.prepared
13639+ =/ prelude=(unit ifile) `iface
13640+ =/ resolution=iresolved
13641+ (resolve-groups defs local-molds globals ~ ~ ~ ~ ~ molds.prepared at prelude)
13642+ ?^ grouped.resolution ~
13643+ ?^ artifacts.resolution ~
13644+ =/ base=ienv env.resolution
13646+ (turn molds.iface |=(x=[name=term template=ischeme] [name.x template.x]))
13647+ =/ all-env=ienv (weld base (weld values.iface templates))
13648+ =/ free=(unit dgscan) (dg-env all-env ~ 32.768 ~)
13651+ =/ all=(unit dgscan) (dg-all-env-ids all-env 32.768 ~)
13653+ =/ fresh=@ud (dg-next-id ids.u.all 0)
13654+ =/ st=istate *istate
13655+ =. st st(next fresh, defer `~, molds local-molds, globals globals, at at, reserved-molds molds.prepared, prelude prelude, top-molds (turn local-molds |=(m=[name=term body=shape] name.m)), in-mold |, jrec-fuel 256)
13656+ =/ checked-molds=(each imold-types @t) (module-mold-types local-molds st)
13657+ ?: ?=(%| -.checked-molds) ~
13658+ (dg-stage defs base base st ~ 64)
13661+ |= [env=ienv fuel=@ud ids=(list @ud)]
13663+ ?~ env `[ids fuel]
13665+ =/ sc=ischeme scheme.i.env
13666+ ?: (itype-has-tag typ.sc) ~
13667+ =/ raw=(unit dgscan) (dg-scan ~[typ.sc] ~ (dec fuel) ids)
13669+ =/ quant=(unit dgscan) (dg-scan-ids vars.sc ~ fuel.u.raw ids.u.raw)
13671+ $(env t.env, fuel fuel.u.quant, ids ids.u.quant)
13674+ |= [ids=(list @ud) largest=@ud]
13677+ $(ids t.ids, largest (max largest i.ids))
13679+++ dg-eligible-ctor
13680+ |= [e=expr head=itype actual=itype expected=itype state=istate]
13682+ ?. ?=(%call -.e) ~
13683+ ?. ?=([* ~] args.e) ~
13684+ ?. ?=(%ctor -.i.args.e) ~
13685+ ?. ?=(%fn -.head) ~
13686+ ?. ?=(%fn -.expected) ~
13687+ ?. ?=(%tag -.actual) ~
13688+ ?. constructor.actual ~
13689+ ?. ?=(%var -.product.expected) ~
13690+ ?^ (itype-lookup id.product.expected sub.state) ~
13691+ =/ bounded=(unit dgscan) (dg-scan ~[sample.expected] sub.state 256 ~)
13693+ ?^ ids.u.bounded ~
13694+ `[[actual expected (span-of i.args.e) (span-of head.e)]]
13696+:: Experimental per-module, source-derived recursive tree index.
13697+:: The two tags and the exact children/list/self layout are fixed-shape
13698+:: checks, so ordinary definitions incur no type-tree or source scans.
13699+++ grec-tagged-fields
13701+ ^- (unit [tag=@ fields=(list field)])
13702+ ?. ?=(%cell -.sh) ~
13704+ =/ head=field i.fields.sh
13705+ ?. ?=(%bare -.head) ~
13706+ ?. ?=(%const -.shape.head) ~
13707+ ?. &(?=(%term form.lit.shape.head) =(%tas aura.lit.shape.head)) ~
13708+ `[val.lit.shape.head t.fields.sh]
13709+++ grec-tree-children
13710+ |= [fs=(list field) param=@t]
13715+ =/ event=field i.fs
13716+ =/ kids=field i.t.fs
13717+ ?. &(?=(%face -.event) ?=(%face -.kids)) ~
13718+ ?. !=(name.event name.kids) ~
13719+ ?. ?=(%fn -.shape.event) ~
13720+ ?. ?=(%aura -.sample.shape.event) ~
13721+ ?. =(%t aura.sample.shape.event) ~
13722+ ?. ?=(%tvar -.product.shape.event) ~
13723+ ?. =(param name.product.shape.event) ~
13727+ |= [name=term sh=shape]
13729+ ?. ?=(%generic -.sh) |
13730+ ?. ?=([@ ~] vars.sh) |
13731+ =/ param=@t i.vars.sh
13732+ ?. ?=(%union -.body.sh) |
13733+ ?. ?=([* [* ~]] cases.body.sh) |
13734+ =/ a=(unit [tag=@ fields=(list field)]) (grec-tagged-fields i.cases.body.sh)
13735+ =/ b=(unit [tag=@ fields=(list field)]) (grec-tagged-fields i.t.cases.body.sh)
13738+ ?. !=(tag.u.a tag.u.b) |
13739+ ?. ?=([* ~] fields.u.a) |
13740+ =/ value=field i.fields.u.a
13741+ ?. ?=(%face -.value) |
13742+ ?. ?=(%aura -.shape.value) |
13743+ ?. =(%t aura.shape.value) |
13744+ =/ selected=(unit field) (grec-tree-children fields.u.b param)
13746+ =/ kids=field u.selected
13747+ ?. ?=(%face -.kids) |
13748+ ?. ?=(%apply -.shape.kids) |
13749+ ?. =(ref.shape.kids ~[%list]) |
13750+ ?. ?=([* ~] args.shape.kids) |
13751+ =/ self=shape i.args.shape.kids
13752+ ?. ?=(%apply -.self) |
13753+ ?. =(ref.self ~[name]) |
13754+ ?. ?=([* ~] args.self) |
13755+ ?. ?=(%tvar -.i.args.self) |
13756+ =(name.i.args.self param)
13757++$ grec-collected [molds=imolds proofs=(map term shape)]
13758+:: Experimental one-layer analysis view, never an exported mold identity.
13759+++ grec-unfold-view
13760+ |= [typ=itype fuel=@ud]
13761+ ^- (unit [view=itype left=@ud])
13762+ ?. ?=(%grec -.typ) ~
13764+ ?. ?=([* ~] args.typ) ~
13765+ =/ sh=shape proof.typ
13766+ ?. (grec-tree-proof name.typ sh) ~
13767+ ?> ?=(%generic -.sh)
13768+ ?> ?=([@ ~] vars.sh)
13769+ ?> ?=(%union -.body.sh)
13770+ ?> ?=([* [* ~]] cases.body.sh)
13771+ =/ ca=shape i.cases.body.sh
13772+ =/ cb=shape i.t.cases.body.sh
13775+ ?> ?=([* [* ~]] fields.ca)
13776+ ?> ?=([* *] fields.cb)
13777+ =/ tag-a=field i.fields.ca
13778+ =/ tag-b=field i.fields.cb
13779+ ?> ?=(%bare -.tag-a)
13780+ ?> ?=(%bare -.tag-b)
13781+ ?> ?=(%const -.shape.tag-a)
13782+ ?> ?=(%const -.shape.tag-b)
13783+ =/ text-field=field i.t.fields.ca
13784+ ?> ?=(%face -.text-field)
13785+ =/ branch=(list field) t.fields.cb
13786+ =/ kids=(unit field) (grec-tree-children branch i.vars.sh)
13788+ ?> ?=(%face -.u.kids)
13789+ =/ children=itype [%face name.u.kids [%collection %list ~[typ]]]
13792+ ?~ t.branch children
13793+ =/ event=field i.branch
13794+ ?> ?=(%face -.event)
13795+ [%cell [%face name.event [%fn [%atom %t] i.args.typ]] children]
13796+ =/ leaf=itype [%cell [%const lit.shape.tag-a] [%face name.text-field [%atom %t]]]
13797+ =/ node=itype [%cell [%const lit.shape.tag-b] payload]
13798+ `[[%union ~[leaf node] ~ ~ ~] (dec fuel)]
13800+++ grec-collect-molds
13803+ ?~ ds [~ *(map term shape)]
13804+ =/ rest=grec-collected $(ds t.ds)
13805+ ?. ?=(%mold -.i.ds) rest
13806+ =/ name=term name.i.ds
13807+ =/ body=shape shape.i.ds
13808+ =/ proofs=(map term shape) proofs.rest
13809+ =? proofs (grec-tree-proof name body) (~(put by proofs) name body)
13810+ [[[name body] molds.rest] proofs]