Simple floats

zod/luau/lib/lua.hoon

@@ -64,7 +64,7 @@
 ++  parse-expr-list
   %+  knee  *(interlist binop expr)
   |.
-  %+  parse-interlist  parse-binop  parse-atomic-expr
+  %+  parse-interlist  (ifix [ws ws] parse-binop)  parse-atomic-expr
 :: TODO: This is mock and should take operator priority into account.
 ::
 ++  process-expr-list
@@ -311,12 +311,16 @@
 +$  numeral
   $%
     [%int @u]
-    :: [%float @rd]
+    [%float @rd]
   ==
 ++  parse-numeral
   %+  knee  *numeral
   |.
   ;~  pose
+    %+  cook
+      |=  x=@rd  [%float x]
+    parse-float
+    ::
     %+  cook
       |=  x=@u  [%int x]
     ;~  pose
@@ -334,6 +338,7 @@
   ^-  tape
   ?-  -.num
     %int  (show-u +.num)
+    %float  (show-float +.num)
   ==
 :: exprlist
 ::
@@ -514,7 +519,6 @@
   ^-  tape
   %-  zing
   %+  join  ","  l
-:: ++  gawn  (cold ~ (plus ;~(pose vul gah)))
 ++  parse-name
   %+  knee  *name
   |.
@@ -548,4 +552,43 @@
 ++  wss
   %+  cold  ~
   %-  plus  w
---
+++  parse-float
+  %+  knee  *@rd
+  |.
+  %+  cook  ryld
+  %+  cook  royl-cell:so
+  %+  sear  
+    |=  [int=@ frac=(unit [@ @]) exp=(unit [exp-sign=? exp=@])]
+    ?:  ?=([~ ~] [frac exp])  ~
+    %-  some
+    :*
+      %d
+      &
+      int
+      (fall frac [0 0])
+      (fall exp [& 0])
+    ==
+  =/  moo
+    |=  a=tape
+    :-  (lent a)
+    (scan a (bass 10 (plus sid:ab)))
+  ;~  plug
+    ;~  plug
+      dim:ag
+      ::
+      (punt ;~(pfix dot (cook moo (plus (shim '0' '9')))))
+      ::
+      %-  punt
+      ;~  pfix
+        (mask "eE")
+        ;~(plug ;~(pose (cold | hep) (easy &)) dim:ag)
+      ==
+    ==
+  ==
+++  show-float
+  |=  x=@rd
+  ^-  tape
+  %-  r-co:co
+  %-  rlyd
+  x
+ --

zod/luau/tests/foo.lua

@@ -4,36 +4,41 @@ baz = bar[nil]
 baz = bar
 
 i = 3
-i, a[i] = i+1, 20>>9
+i, a[i] = i + 1, 20 >> 9
 
 hello = "hellodkndjвговшов"
 
-x = {[hello] = 8, hello = 12}
+x = { [hello] = 8, hello = 12 }
 
 ;
 
 test_cases = {
-	{ 0x7fffffff, "2147483647" },
-	{ 2147483647, "2147483647" },
+	{ 0x7fffffff,           "2147483647" },
+	{ 2147483647,           "2147483647" },
 
-	{ 0xffffffff, "4294967295" },
-	{ 4294967295, "4294967295" },
+	{ 0xffffffff,           "4294967295" },
+	{ 4294967295,           "4294967295" },
 
-	{ 0x7fffffffffffffff, "9.2233720368548e+18" },
-	{ 9223372036854775807, "9.2233720368548e+18" },
+	{ 0x7fffffffffffffff,   "9.2233720368548e+18" },
+	{ 9223372036854775807,  "9.2233720368548e+18" },
 
-	{ 0xffffffffffffffff, "1.844674407371e+19" },
+	{ 0xffffffffffffffff,   "1.844674407371e+19" },
 	{ 18446744073709551615, "1.844674407371e+19" },
 
-	{ 0x100000000, "4294967296" },
-	{ 4294967296, "4294967296" },
+	{ 0x100000000,          "4294967296" },
+	{ 4294967296,           "4294967296" },
 
-	{ 0x100000000000, "17592186044416" },
-	{ 17592186044416, "17592186044416" },
+	{ 0x100000000000,       "17592186044416" },
+	{ 17592186044416,       "17592186044416" },
 
-	{ 0x80000000, "2147483648" },
-	{ 2147483648, "2147483648" },
+	{ 0x80000000,           "2147483648" },
+	{ 2147483648,           "2147483648" },
 
-	{ 0x800000000000, "1.4073748835533e+14" },
-	{ 140737488355328, "1.4073748835533e+14" },
+	{ 0x800000000000,       "1.4073748835533e+14" },
+	{ 140737488355328,      "1.4073748835533e+14" },
+}
+
+foo = {
+	3.0, 3.1416, 314.16e-2, 0.31416E1, 34e1,
+	0x0.1E, 0xA23p-4, 0X1.921FB54442D18P+1
 }