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fixes #4600

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This commit is contained in:
Andreas Rumpf
2016-08-23 01:29:30 +02:00
parent e9e413552a
commit 55e86184a5
2 changed files with 15 additions and 6 deletions
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13
compiler/semgnrc.nim
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@@ -202,24 +202,25 @@ proc semGenericStmt(c: PContext, n: PNode,
if s != nil:
incl(s.flags, sfUsed)
mixinContext = s.magic in {mDefined, mDefinedInScope, mCompiles}
let scOption = if s.name.id in ctx.toMixin: scForceOpen else: scOpen
let sc = symChoice(c, fn, s,
if s.name.id in ctx.toMixin: scForceOpen else: scOpen)
case s.kind
of skMacro:
if macroToExpand(s):
if macroToExpand(s) and sc.safeLen <= 1:
styleCheckUse(fn.info, s)
result = semMacroExpr(c, n, n, s, {efNoSemCheck})
result = semGenericStmt(c, result, flags, ctx)
else:
n.sons[0] = symChoice(c, fn, s, scOption)
n.sons[0] = sc
result = n
mixinContext = true
of skTemplate:
if macroToExpand(s):
if macroToExpand(s) and sc.safeLen <= 1:
styleCheckUse(fn.info, s)
result = semTemplateExpr(c, n, s, {efNoSemCheck})
result = semGenericStmt(c, result, flags, ctx)
else:
n.sons[0] = symChoice(c, fn, s, scOption)
n.sons[0] = sc
result = n
# BUGFIX: we must not return here, we need to do first phase of
# symbol lookup. Also since templates and macros can do scope injections
@@ -230,7 +231,7 @@ proc semGenericStmt(c: PContext, n: PNode,
# Leave it as an identifier.
discard
of skProc, skMethod, skIterator, skConverter, skModule:
result.sons[0] = symChoice(c, fn, s, scOption)
result.sons[0] = sc
# do not check of 's.magic==mRoof' here because it might be some
# other '^' but after overload resolution the proper one:
if ctx.bracketExpr != nil and n.len == 2 and s.name.s == "^":

8
tests/generics/ttempl_in_generic.nim Normal file
View File

@@ -0,0 +1,8 @@
# bug #4600
template foo(x: untyped): untyped = echo 1
template foo(x,y: untyped): untyped = echo 2
proc bar1[T](x: T) = foo(x)
proc bar2(x: float) = foo(x,x)
proc bar3[T](x: T) = foo(x,x)