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implemented AST based overloading

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This commit is contained in:
Araq 2012-12-06 08:45:18 +01:00
commit a1f6779802
5 changed files with 41 additions and 7 deletions
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4
compiler/procfind.nim
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@ -29,7 +29,7 @@ proc equalGenericParams(procA, procB: PNode): bool =
a = procA.sons[i].sym
b = procB.sons[i].sym
if (a.name.id != b.name.id) or
not sameTypeOrNil(a.typ, b.typ, {TypeDescExactMatch}): return
not sameTypeOrNil(a.typ, b.typ, {TypeDescExactMatch}): return
if (a.ast != nil) and (b.ast != nil):
if not ExprStructuralEquivalent(a.ast, b.ast): return
result = true
@ -44,7 +44,7 @@ proc SearchForProc*(c: PContext, fn: PSym, tos: int): PSym =
if equalGenericParams(result.ast.sons[genericParamsPos],
fn.ast.sons[genericParamsPos]):
case equalParams(result.typ.n, fn.typ.n)
of paramsEqual:
of paramsEqual:
return
of paramsIncompatible:
LocalError(fn.info, errNotOverloadable, fn.name.s)