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[clang-cl] Fix value of __FUNCTION__ and __FUNC__ in MSVC mode for c++. #66120

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Merged
merged 11 commits into from
Sep 22, 2023
Merged

[clang-cl] Fix value of __FUNCTION__ and __FUNC__ in MSVC mode for c++. #66120

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3fcfa30
[clang-cl] Fix for __FUNCTION__ in c++.
zahiraam Sep 12, 2023
f2c2d9c
Testing.
zahiraam Sep 13, 2023
0ebc0d6
Merge branch 'llvm:main' into FixFunction
zahiraam Sep 14, 2023
191e30c
Merge branch 'llvm:main' into FixFunction
zahiraam Sep 18, 2023
5e85929
Addressed review comments.
zahiraam Sep 19, 2023
1364bb8
Addressed review comments and fixed some LIT tests.
zahiraam Sep 21, 2023
c51bf3f
Update PrettyPrinter.h
rnk Sep 21, 2023
7aacf60
Update Expr.cpp
rnk Sep 21, 2023
8d83fa3
Update TypePrinter.cpp
rnk Sep 21, 2023
4721f5d
Added changes suggested by rnk
zahiraam Sep 21, 2023
d9800c5
sync commits
zahiraam Sep 21, 2023
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20 changes: 20 additions & 0 deletions clang/lib/AST/Expr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -727,6 +727,26 @@ StringRef PredefinedExpr::getIdentKindName(PredefinedExpr::IdentKind IK) {
std::string PredefinedExpr::ComputeName(IdentKind IK, const Decl *CurrentDecl) {
ASTContext &Context = CurrentDecl->getASTContext();

if (CurrentDecl->getASTContext().getTargetInfo().getCXXABI().isMicrosoft() &&
IK == PredefinedExpr::Function) {
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(CurrentDecl)) {
SmallString<256> Name;
llvm::raw_svector_ostream Out(Name);
PrintingPolicy Policy(Context.getLangOpts());
Policy.AlwaysIncludeTypeForTemplateArgument = true;
std::string Proto;
llvm::raw_string_ostream POut(Proto);
const FunctionDecl *Decl = FD;
if (const FunctionDecl *Pattern = FD->getTemplateInstantiationPattern())
Decl = Pattern;
const FunctionType *AFT = Decl->getType()->getAs<FunctionType>();
const FunctionProtoType *FT = nullptr;
if (FD->hasWrittenPrototype())
FT = dyn_cast<FunctionProtoType>(AFT);
FD->printQualifiedName(POut, Policy);
return std::string(POut.str());
}
}
if (IK == PredefinedExpr::FuncDName) {
if (const NamedDecl *ND = dyn_cast<NamedDecl>(CurrentDecl)) {
std::unique_ptr<MangleContext> MC;
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3 changes: 3 additions & 0 deletions clang/lib/AST/TypePrinter.cpp
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Expand Up @@ -2218,6 +2218,9 @@ printTo(raw_ostream &OS, ArrayRef<TA> Args, const PrintingPolicy &Policy,
} else {
if (!FirstArg)
OS << Comma;
//if (Argument.getKind() == TemplateArgument::Type)
// OS << "class ";

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TODO: if we go with this solution, this needs to happen here, but it should be under some conditions?

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I would move it into printArgument. If you have to, it would be find to add a new flag to PrintingPolicy. We have lots of fine-grained flags there.

// Tries to print the argument with location info if exists.
printArgument(Arg, Policy, ArgOS,
TemplateParameterList::shouldIncludeTypeForArgument(
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