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big compiler refactoring; avoid globals for multi method dispatcher generation

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This commit is contained in:
Andreas Rumpf 2017-02-22 16:27:52 +01:00
commit 46efaf294b
29 changed files with 225 additions and 215 deletions
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18
compiler/passaux.nim
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@ -29,21 +29,3 @@ proc verboseProcess(context: PPassContext, n: PNode): PNode =
message(n.info, hintProcessing, $idgen.gFrontendId)
const verbosePass* = makePass(open = verboseOpen, process = verboseProcess)
proc cleanUp(c: PPassContext, n: PNode): PNode =
result = n
# we cannot clean up if dead code elimination is activated
if optDeadCodeElim in gGlobalOptions or n == nil: return
case n.kind
of nkStmtList:
for i in countup(0, sonsLen(n) - 1): discard cleanUp(c, n.sons[i])
of nkProcDef, nkMethodDef:
if n.sons[namePos].kind == nkSym:
var s = n.sons[namePos].sym
if sfDeadCodeElim notin getModule(s).flags and not astNeeded(s):
s.ast.sons[bodyPos] = ast.emptyNode # free the memory
else:
discard
const cleanupPass* = makePass(process = cleanUp, close = cleanUp)