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switch to a linked list of scopes

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This commit is contained in:
Zahary Karadjov 2013-05-11 23:45:20 +03:00
commit 9a6f47ae69
11 changed files with 96 additions and 88 deletions
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8
compiler/sem.nim
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@ -247,7 +247,7 @@ proc myOpen(module: PSym): PPassContext =
c.semTypeNode = semTypeNode
pushProcCon(c, module)
pushOwner(c.module)
openScope(c.tab) # scope for imported symbols
openScope(c) # scope for imported symbols
SymTabAdd(c.tab, module) # a module knows itself
if sfSystemModule in module.flags:
magicsys.SystemModule = module # set global variable!
@ -255,7 +255,7 @@ proc myOpen(module: PSym): PPassContext =
else:
SymTabAdd(c.tab, magicsys.SystemModule) # import the "System" identifier
importAllSymbols(c, magicsys.SystemModule)
openScope(c.tab) # scope for the module's symbols
closeScope(c) # scope for the module's symbols
result = c
proc myOpenCached(module: PSym, rd: PRodReader): PPassContext =
@ -310,8 +310,8 @@ proc checkThreads(c: PContext) =
proc myClose(context: PPassContext, n: PNode): PNode =
var c = PContext(context)
closeScope(c.tab) # close module's scope
rawCloseScope(c.tab) # imported symbols; don't check for unused ones!
closeScope(c) # close module's scope
rawCloseScope(c) # imported symbols; don't check for unused ones!
result = newNode(nkStmtList)
if n != nil:
InternalError(n.info, "n is not nil") #result := n;