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DrNim (Nim compiler with Z3 integration) (#13743)

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* code cleanups and feature additions
* added basic test and koch/CI integration
* make it build on Unix
* DrNim: now buildable on Unix, only takes 10 minutes, enjoy
* added basic documentation for DrNim which can also be seen as the RFC we're following
* drnim: change the build setup so that drnim.exe ends up in bin/
* makes simple floating point ranges work
* added basic float range check
* drnim: teach Z3 about Nim's range types plus code refactoring
* drnim: make unsigned numbers work
* added and fixed index checking under setLen
* first implementation of .ensures, .invariant and .assume (.requires still missing and so is proc type compatibility checking
* drnim: .requires checking implemented
* drnim: implemented .ensures properly
* more impressive test involving min()
* drnim: check for proc type compatibility and base method compatibility wrt .requires and .ensures
* testament: support for 'pattern <directory>
* koch: uses new <directory> feature of testament
* drnim: added tiny musings about 'old'
* Make testament work with old SSL versions
* koch: add support for 'koch drnim -d:release'
* drnim: preparations for the param.old notation
This commit is contained in:
Andreas Rumpf 2020-03-31 22:54:48 +02:00 • committed by GitHub
commit 9ffec79300
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25 changed files with 1242 additions and 35 deletions
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8
compiler/semcall.nim
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@ -128,7 +128,7 @@ proc pickBestCandidate(c: PContext, headSymbol: PNode,
else:
break
proc effectProblem(f, a: PType; result: var string) =
proc effectProblem(f, a: PType; result: var string; c: PContext) =
if f.kind == tyProc and a.kind == tyProc:
if tfThread in f.flags and tfThread notin a.flags:
result.add "\n This expression is not GC-safe. Annotate the " &
@ -152,7 +152,9 @@ proc effectProblem(f, a: PType; result: var string) =
of efLockLevelsDiffer:
result.add "\n The `.locks` requirements differ. Annotate the " &
"proc with {.locks: 0.} to get extended error information."
when defined(drnim):
if not c.graph.compatibleProps(c.graph, f, a):
result.add "\n The `.requires` or `.ensures` properties are incompatible."
proc renderNotLValue(n: PNode): string =
result = $n
@ -238,7 +240,7 @@ proc presentFailedCandidates(c: PContext, n: PNode, errors: CandidateErrors):
var got = nArg.typ
candidates.add typeToString(got)
doAssert wanted != nil
if got != nil: effectProblem(wanted, got, candidates)
if got != nil: effectProblem(wanted, got, candidates, c)
of kUnknown: discard "do not break 'nim check'"
candidates.add "\n"
if err.firstMismatch.arg == 1 and nArg.kind == nkTupleConstr and