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Fixed some corner cases due to implicit int TypeLoc and simplified the logic. 

llvm-svn: 166174
This commit is contained in:
Abramo Bagnara 2012-10-18 08:29:37 +00:00
parent 580916eacb
commit 4a91458ce6
1 changed files with 25 additions and 14 deletions
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39
clang/lib/AST/TypeLoc.cpp
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@ -98,27 +98,38 @@ void TypeLoc::initializeImpl(ASTContext &Context, TypeLoc TL,
SourceLocation TypeLoc::getBeginLoc() const {
TypeLoc Cur = *this;
TypeLoc LeftMost = Cur;
while (true) {
switch (Cur.getTypeLocClass()) {
case FunctionProto:
if (cast<FunctionProtoTypeLoc>(&Cur)->getTypePtr()->hasTrailingReturn())
return Cur.getLocalSourceRange().getBegin();
Cur = Cur.getNextTypeLoc();
assert(!Cur.isNull());
continue;
// FIXME: Currently QualifiedTypeLoc does not have a source range
// case Qualified:
case Elaborated:
return Cur.getLocalSourceRange().getBegin();
default:
if (Cur.getNextTypeLoc().isNull())
return Cur.getLocalSourceRange().getBegin();
LeftMost = Cur;
break;
case FunctionProto:
if (cast<FunctionProtoTypeLoc>(&Cur)->getTypePtr()->hasTrailingReturn()) {
LeftMost = Cur;
break;
}
/* Fall through */
case FunctionNoProto:
case ConstantArray:
case DependentSizedArray:
case IncompleteArray:
case VariableArray:
// FIXME: Currently QualifiedTypeLoc does not have a source range
case Qualified:
Cur = Cur.getNextTypeLoc();
continue;
default:
if (!Cur.getLocalSourceRange().getBegin().isInvalid())
LeftMost = Cur;
Cur = Cur.getNextTypeLoc();
if (Cur.isNull())
break;
continue;
} // switch
break;
} // while
return LeftMost.getLocalSourceRange().getBegin();
}
SourceLocation TypeLoc::getEndLoc() const {