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-rw-r--r--lib/AST/ItaniumMangle.cpp64
1 files changed, 37 insertions, 27 deletions
diff --git a/lib/AST/ItaniumMangle.cpp b/lib/AST/ItaniumMangle.cpp
index 6608571ade..1a3bf659c3 100644
--- a/lib/AST/ItaniumMangle.cpp
+++ b/lib/AST/ItaniumMangle.cpp
@@ -91,7 +91,7 @@ public:
/// @{
bool shouldMangleDeclName(const NamedDecl *D);
- void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &);
+ void mangleName(const NamedDecl *D, llvm::raw_svector_ostream &);
void mangleThunk(const CXXMethodDecl *MD,
const ThunkInfo &Thunk,
llvm::SmallVectorImpl<char> &);
@@ -110,9 +110,9 @@ public:
void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &);
void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &);
void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
- llvm::SmallVectorImpl<char> &);
+ llvm::raw_svector_ostream &);
void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
- llvm::SmallVectorImpl<char> &);
+ llvm::raw_svector_ostream &);
void mangleItaniumGuardVariable(const VarDecl *D,
llvm::SmallVectorImpl<char> &);
@@ -136,7 +136,7 @@ public:
/// CXXNameMangler - Manage the mangling of a single name.
class CXXNameMangler {
ItaniumMangleContext &Context;
- llvm::raw_svector_ostream Out;
+ llvm::raw_svector_ostream &Out;
const CXXMethodDecl *Structor;
unsigned StructorType;
@@ -149,15 +149,15 @@ class CXXNameMangler {
ASTContext &getASTContext() const { return Context.getASTContext(); }
public:
- CXXNameMangler(ItaniumMangleContext &C, llvm::SmallVectorImpl<char> &Res)
- : Context(C), Out(Res), Structor(0), StructorType(0), SeqID(0) { }
- CXXNameMangler(ItaniumMangleContext &C, llvm::SmallVectorImpl<char> &Res,
+ CXXNameMangler(ItaniumMangleContext &C, llvm::raw_svector_ostream &Out_)
+ : Context(C), Out(Out_), Structor(0), StructorType(0), SeqID(0) { }
+ CXXNameMangler(ItaniumMangleContext &C, llvm::raw_svector_ostream &Out_,
const CXXConstructorDecl *D, CXXCtorType Type)
- : Context(C), Out(Res), Structor(getStructor(D)), StructorType(Type),
+ : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type),
SeqID(0) { }
- CXXNameMangler(ItaniumMangleContext &C, llvm::SmallVectorImpl<char> &Res,
+ CXXNameMangler(ItaniumMangleContext &C, llvm::raw_svector_ostream &Out_,
const CXXDestructorDecl *D, CXXDtorType Type)
- : Context(C), Out(Res), Structor(getStructor(D)), StructorType(Type),
+ : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type),
SeqID(0) { }
#if MANGLE_CHECKER
@@ -909,7 +909,9 @@ void CXXNameMangler::manglePrefix(const DeclContext *DC, bool NoFunction) {
if (const BlockDecl *Block = dyn_cast<BlockDecl>(DC)) {
manglePrefix(DC->getParent(), NoFunction);
llvm::SmallString<64> Name;
- Context.mangleBlock(Block, Name);
+ llvm::raw_svector_ostream NameStream(Name);
+ Context.mangleBlock(Block, NameStream);
+ NameStream.flush();
Out << Name.size() << Name;
return;
}
@@ -2535,7 +2537,7 @@ void CXXNameMangler::addSubstitution(uintptr_t Ptr) {
/// emit the identifier of the declaration (\c D->getIdentifier()) as its
/// name.
void ItaniumMangleContext::mangleName(const NamedDecl *D,
- llvm::SmallVectorImpl<char> &Res) {
+ llvm::raw_svector_ostream &Out) {
assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) &&
"Invalid mangleName() call, argument is not a variable or function!");
assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) &&
@@ -2545,21 +2547,21 @@ void ItaniumMangleContext::mangleName(const NamedDecl *D,
getASTContext().getSourceManager(),
"Mangling declaration");
- CXXNameMangler Mangler(*this, Res);
+ CXXNameMangler Mangler(*this, Out);
return Mangler.mangle(D);
}
void ItaniumMangleContext::mangleCXXCtor(const CXXConstructorDecl *D,
CXXCtorType Type,
- llvm::SmallVectorImpl<char> &Res) {
- CXXNameMangler Mangler(*this, Res, D, Type);
+ llvm::raw_svector_ostream &Out) {
+ CXXNameMangler Mangler(*this, Out, D, Type);
Mangler.mangle(D);
}
void ItaniumMangleContext::mangleCXXDtor(const CXXDestructorDecl *D,
CXXDtorType Type,
- llvm::SmallVectorImpl<char> &Res) {
- CXXNameMangler Mangler(*this, Res, D, Type);
+ llvm::raw_svector_ostream &Out) {
+ CXXNameMangler Mangler(*this, Out, D, Type);
Mangler.mangle(D);
}
@@ -2575,8 +2577,8 @@ void ItaniumMangleContext::mangleThunk(const CXXMethodDecl *MD,
assert(!isa<CXXDestructorDecl>(MD) &&
"Use mangleCXXDtor for destructor decls!");
-
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZT";
if (!Thunk.Return.isEmpty())
Mangler.getStream() << 'c';
@@ -2600,7 +2602,8 @@ ItaniumMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD,
// <special-name> ::= T <call-offset> <base encoding>
// # base is the nominal target function of thunk
- CXXNameMangler Mangler(*this, Res, DD, Type);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out, DD, Type);
Mangler.getStream() << "_ZT";
// Mangle the 'this' pointer adjustment.
@@ -2616,7 +2619,8 @@ void ItaniumMangleContext::mangleItaniumGuardVariable(const VarDecl *D,
llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= GV <object name> # Guard variable for one-time
// # initialization
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZGV";
Mangler.mangleName(D);
}
@@ -2625,7 +2629,8 @@ void ItaniumMangleContext::mangleReferenceTemporary(const VarDecl *D,
llvm::SmallVectorImpl<char> &Res) {
// We match the GCC mangling here.
// <special-name> ::= GR <object name>
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZGR";
Mangler.mangleName(D);
}
@@ -2633,7 +2638,8 @@ void ItaniumMangleContext::mangleReferenceTemporary(const VarDecl *D,
void ItaniumMangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TV <type> # virtual table
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZTV";
Mangler.mangleNameOrStandardSubstitution(RD);
}
@@ -2641,7 +2647,8 @@ void ItaniumMangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
void ItaniumMangleContext::mangleCXXVTT(const CXXRecordDecl *RD,
llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TT <type> # VTT structure
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZTT";
Mangler.mangleNameOrStandardSubstitution(RD);
}
@@ -2651,7 +2658,8 @@ void ItaniumMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD,
const CXXRecordDecl *Type,
llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TC <type> <offset number> _ <base type>
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZTC";
Mangler.mangleNameOrStandardSubstitution(RD);
Mangler.getStream() << Offset;
@@ -2663,7 +2671,8 @@ void ItaniumMangleContext::mangleCXXRTTI(QualType Ty,
llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TI <type> # typeinfo structure
assert(!Ty.hasQualifiers() && "RTTI info cannot have top-level qualifiers");
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZTI";
Mangler.mangleType(Ty);
}
@@ -2671,7 +2680,8 @@ void ItaniumMangleContext::mangleCXXRTTI(QualType Ty,
void ItaniumMangleContext::mangleCXXRTTIName(QualType Ty,
llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TS <type> # typeinfo name (null terminated byte string)
- CXXNameMangler Mangler(*this, Res);
+ llvm::raw_svector_ostream Out(Res);
+ CXXNameMangler Mangler(*this, Out);
Mangler.getStream() << "_ZTS";
Mangler.mangleType(Ty);
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-25 19:32:16 +0000