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1291 Commits

Author SHA1 Message Date
Iavor Diatchki
c3eca4f22a Check that the declared type of prims matches the expected one. 
Fixes #711
 2020-05-05 14:30:25 -07:00
Rob Dockins
ed9742be5c Use panic instead of fail 2020-04-27 14:19:44 -07:00
Rob Dockins
85d727720d Add sbv-any and sbv-offline to the no-warnings list 2020-04-27 14:19:44 -07:00
Rob Dockins
525ca4a6ec Track what4 updates. Transition to use bvAtBE bvSetBE, etc. 2020-04-27 14:19:44 -07:00
Rob Dockins
8c9b9e9c53 Add "prefixed" versions of the SBV backend solvers in addition 
to the default unprefixed ones (which are currently still
SBV-based).
 2020-04-27 14:19:44 -07:00
Rob Dockins
904220c806 Add What4 provers alongside the SBV provers with names such as w4-z3, 
`w4-yices`, etc.  Implement What4 based "offline" solving using
the pseudo-solver name `w4-offline`.
 2020-04-27 14:19:44 -07:00
Rob Dockins
aaa0ea1744 Improve the what4 symbolic frontend. Individual solvers can 
now be selected, and multisat queries are now supported.
 2020-04-27 14:19:44 -07:00
Rob Dockins
5277c80522 Do explicit modular reduction for Z operations when the inputs are concrete. 2020-04-27 14:19:44 -07:00
Rob Dockins
922350ff7a Put together enough of the framework required to run :sat and :prove 
queries via What4.  We still need to support configuring the solver to use,
multisat queries, and portfolio solving.
 2020-04-27 14:19:44 -07:00
Rob Dockins
44a2b8e236 Very basic scaffolding for using what4 as a symbolic backend 2020-04-27 14:19:44 -07:00
robdockins
f29f0158ff
Merge pull request #703 from GaloisInc/issue702 
issue702
 2020-04-23 12:22:25 -07:00
brianhuffman
30b41e9c45
Merge pull request #700 from GaloisInc/fix-warnings 
Fix warnings about redundant imports.
 2020-04-18 06:34:52 -07:00
Rob Dockins
9434236cbd Enforce a canonical field ordering in the field type constructor for FinType 
This solves another manifestation of issue #702.
 2020-04-17 17:48:28 -07:00
Rob Dockins
194d02d06d Sort the fields of a record type before comparing with the fields in 
a concrete value in `toExpr`.

Fixes #702
 2020-04-17 17:09:58 -07:00
robdockins
d8bf07320f
Merge pull request #638 from rjnw/master 
Fix for freevars and adding some exports.
 2020-04-17 16:25:01 -07:00
Brian Huffman
21a09179ff Fix warnings about redundant imports. 2020-04-09 13:10:29 -07:00
Rob Dockins
c83f831763 Fix benchmark suite 2020-04-03 14:47:16 -07:00
robdockins
87ad864185
Merge pull request #684 from GaloisInc/eval-refactor 
Evaluator refactor
 2020-04-02 09:42:04 -07:00
Rob Dockins
4c6424c8a7 Fix for #662. 
This fix interprets integer division as "round down" division
in the symbolic simulator, to match the behavior of the concrete
simulator.
 2020-03-30 22:53:10 -07:00
Rob Dockins
cfef882fe5 Minor tweaks in the concrete evaluator 2020-03-30 13:40:59 -07:00
Rob Dockins
bdfd4e6bc0 Add INLINE and SPECIALIZE pragmas to generate better code for the 
concrete evaluator.
 2020-03-30 13:01:06 -07:00
Rob Dockins
34ce8ecc00 Change uses of Z 0 to cause panics. The type constraints for 
`Z` should make these cases impossible.
 2020-03-30 09:54:27 -07:00
Rob Dockins
c94c929354 Comment tweaks 2020-03-30 09:35:00 -07:00
Rob Dockins
ffdf11d202 Minor style and bugfixes 2020-03-26 16:03:35 -07:00
Rob Dockins
058847f138 Break the symbolic query description datatypes into a separate 
module, moving SBV specific code into `Cryptol.Symbolic.SBV`
 2020-03-26 09:23:00 -07:00
Iavor Diatchki
fcc7a19998 More information when browsing. 
This implements the feature request in #689
 2020-03-24 16:53:48 -07:00
Iavor Diatchki
ec36d1aa38 Just comments and clean-up. Should contain no semantic changes. 2020-03-23 15:05:31 -07:00
Rob Dockins
0ce797f0c9 Fix a bugged implementation of symbolic bit update for SBV words. 2020-03-23 14:49:17 -07:00
Rob Dockins
d26966101f Promote the logicShift out of the SBV module into a generic implementation. 
The concrete evaluator still uses a direct implementation, but this
one, based on a barrel-shifter, can also be used byt the what4 backend.
 2020-03-23 14:49:05 -07:00
Rob Dockins
c2459cedb4 Minor consolidation/fixes to primitive definitions 2020-03-19 17:31:43 -07:00
Rob Dockins
20ad7e8e86 Remove the "round-to-zero" versions of integer division and modulus, 
since we're going to restrict signed division to bitvectors.
 2020-03-19 17:30:14 -07:00
Rob Dockins
72cf1ccd18 Implement the non-ring operations on Z_n via translation to integers 
directly in the `Backend` class definition.  Each backend was
essentially doing this anyway.

Also add an `integerAsLit` operation.
 2020-03-19 16:44:38 -07:00
Rob Dockins
6029ed2198 More documenation in Backend 2020-03-18 14:31:16 -07:00
Rob Dockins
c3ab80721f use wordAsChar 2020-03-18 14:30:54 -07:00
Rob Dockins
0cb075ead6 Rename intModXXX operations to znXXX. These names are less confusing. 2020-03-18 13:48:12 -07:00
Rob Dockins
5af4469fe1 Reorganize sequence index and update operations. They now uniformly 
check for index in bounds conditions, and the interface between
the backend-specific operations is cleaned up.
 2020-03-18 13:17:49 -07:00
Rob Dockins
9ed0c1d3a9 Make error handling uniform across the symbolic and concrete backends. 
Any non-concrete values in error messages are rendered as '?'
 2020-03-18 08:28:36 -07:00
Rob Dockins
bc99e7d791 Take bitLit out of the SEval monad. The backends all support 
a non-monadic version of bit literals, and it's somewhat more convenient.
 2020-03-17 15:17:25 -07:00
Rob Dockins
47959c55cc Rearrange/reorganize the primitive tables for the SBV and Concrete 
backends to make them line up, and make it more obvious that most
of the primitives are uniformly defined for both backends.
The remaining primitives that have significant structural differences
are the sequence indexing and updating primitives, the shifts/rotates,
and `error`, `random` and `trace`.

While doing this, push the various to/from integer coercions
into the `Backend` class and make the operations uniform.
 2020-03-17 15:04:36 -07:00
Rob Dockins
f016a9a9fc Define carry and scarry instead of making them primitive. 2020-03-17 13:25:39 -07:00
Rob Dockins
e079ab4cf6 Push the Logic, Cmp and SignedCmp class methods into the Backend 
and use generic implementations.
 2020-03-17 11:50:44 -07:00
Rob Dockins
31109c2143 Push error handling into the backend class using methods 
that interact with the `SEval` monad.  Also, finish pushing
the methods of the `Arith` class into the evaluation backend
where they can be generically referenced by both the concrete
and symbolic evaluators.
 2020-03-16 17:52:59 -07:00
Rob Dockins
9d74dd1383 In symbolic evaluation mode, use a monad that tracks safety conditions 
alongside the value being computed.  For now, this is just the infrastructure;
soon, we'll push the computation of side effects into the `Backend`
class, where they can interact with this new monad.
 2020-03-13 14:15:52 -07:00
Rob Dockins
b108bf0e79 Allow the evaluation monad to depend on the backend 2020-03-13 12:25:41 -07:00
Rob Dockins
71b2f8ce70 Rename the BitWord class into Backend, and split into a separate 
module.  Push primitive type if/then/else operations into the `Backend`
class, and promote `iteValue` and `mergeValue` to operations
on generic values.
 2020-03-13 12:04:27 -07:00
Rob Dockins
8718489531 Create a new sentinal datatype Concrete instead of using the unit 
type to indicate concrete evaluation.
 2020-03-11 14:08:30 -07:00
Rob Dockins
be45b4ea29 Move definitions specific to the concrete evaluator in to separate 
modules.  The module structure needs to be a bit more cut up than
I would like to avoid module import cycles.
 2020-03-11 10:26:22 -07:00
Rob Dockins
bdb8f49143 Refactor Cryptol.Symbolic.Prims and Cryptol.Symbolic.Value into 
a single new module `Crypol.Eval.SBV`.
 2020-03-09 14:32:07 -07:00
Rob Dockins
0341fd0480 Split out the primitive definitions used by multiple evalautors 
into a `Generic` module.  Refactor the `EvalPrims` class away,
pusing the `iteValue` operation into `BitWord` and demoting
the `evalPrim` operation into an ordinary (non-typeclass)
operation.
 2020-03-09 14:09:19 -07:00
Rob Dockins
fbbaed8c83 Rename module Cryptol.Prims.Eval into Cryptol.Eval.Concrete. 
This fits better into the current module structure, and is a lot
less confusing.
 2020-03-09 11:29:08 -07:00