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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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25
compiler/semmagic.nim
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@ -428,6 +428,27 @@ proc turnFinalizerIntoDestructor(c: PContext; orig: PSym; info: TLineInfo): PSym
result.typ = newProcType(result.info, result)
result.typ.addParam newParam
proc semQuantifier(c: PContext; n: PNode): PNode =
checkMinSonsLen(n, 2, c.config)
openScope(c)
for i in 0..n.len-2:
let v = newSymS(skForVar, n[i], c)
styleCheckDef(c.config, v)
onDef(n.info, v)
n[i] = newSymNode(v)
addDecl(c, v)
n[^1] = forceBool(c, semExprWithType(c, n[^1]))
closeScope(c)
proc semOld(c: PContext; n: PNode): PNode =
if n[1].kind == nkHiddenDeref:
n[1] = n[1][0]
if n[1].kind != nkSym or n[1].sym.kind != skParam:
localError(c.config, n[1].info, "'old' takes a parameter name")
elif n[1].sym.owner != getCurrOwner(c):
localError(c.config, n[1].info, n[1].sym.name.s & " does not belong to " & getCurrOwner(c).name.s)
result = n
proc magicsAfterOverloadResolution(c: PContext, n: PNode,
flags: TExprFlags): PNode =
## This is the preferred code point to implement magics.
@ -505,4 +526,8 @@ proc magicsAfterOverloadResolution(c: PContext, n: PNode,
result[0] = newSymNode(t.destructor)
of mUnown:
result = semUnown(c, n)
of mExists, mForall:
result = semQuantifier(c, n)
of mOld:
result = semOld(c, n)
else: result = n