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//===- lib/TextAPI/SymbolSet.cpp - TAPI Symbol Set ------------*- C++-*----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/TextAPI/SymbolSet.h"
using namespace llvm;
using namespace llvm::MachO;
Symbol *SymbolSet::addGlobalImpl(EncodeKind Kind, StringRef Name,
SymbolFlags Flags) {
Name = copyString(Name);
auto Result = Symbols.try_emplace(SymbolsMapKey{Kind, Name}, nullptr);
if (Result.second)
Result.first->second =
new (Allocator) Symbol{Kind, Name, TargetList(), Flags};
return Result.first->second;
}
Symbol *SymbolSet::addGlobal(EncodeKind Kind, StringRef Name, SymbolFlags Flags,
const Target &Targ) {
auto *Sym = addGlobalImpl(Kind, Name, Flags);
Sym->addTarget(Targ);
return Sym;
}
const Symbol *SymbolSet::findSymbol(EncodeKind Kind, StringRef Name,
ObjCIFSymbolKind ObjCIF) const {
if (auto result = Symbols.lookup({Kind, Name}))
return result;
if ((ObjCIF == ObjCIFSymbolKind::None) || (ObjCIF > ObjCIFSymbolKind::EHType))
return nullptr;
assert(ObjCIF <= ObjCIFSymbolKind::EHType &&
"expected single ObjCIFSymbolKind enum value");
// Non-complete ObjC Interfaces are represented as global symbols.
if (ObjCIF == ObjCIFSymbolKind::Class)
return Symbols.lookup(
{EncodeKind::GlobalSymbol, (ObjC2ClassNamePrefix + Name).str()});
if (ObjCIF == ObjCIFSymbolKind::MetaClass)
return Symbols.lookup(
{EncodeKind::GlobalSymbol, (ObjC2MetaClassNamePrefix + Name).str()});
return Symbols.lookup(
{EncodeKind::GlobalSymbol, (ObjC2EHTypePrefix + Name).str()});
}
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