93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
//===- RecordVisitor.cpp --------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// Implements the TAPI Record Visitor.
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///
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//===----------------------------------------------------------------------===//
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#include "llvm/TextAPI/RecordVisitor.h"
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using namespace llvm;
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using namespace llvm::MachO;
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RecordVisitor::~RecordVisitor() {}
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void RecordVisitor::visitObjCInterface(const ObjCInterfaceRecord &) {}
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void RecordVisitor::visitObjCCategory(const ObjCCategoryRecord &) {}
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static bool shouldSkipRecord(const Record &R, const bool RecordUndefs) {
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if (R.isExported())
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return false;
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// Skip non exported symbols unless for flat namespace libraries.
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return !(RecordUndefs && R.isUndefined());
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}
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void SymbolConverter::visitGlobal(const GlobalRecord &GR) {
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auto [SymName, SymKind, InterfaceType] = parseSymbol(GR.getName());
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if (shouldSkipRecord(GR, RecordUndefs))
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return;
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Symbols->addGlobal(SymKind, SymName, GR.getFlags(), Targ);
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if (InterfaceType == ObjCIFSymbolKind::None) {
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Symbols->addGlobal(SymKind, SymName, GR.getFlags(), Targ);
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return;
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}
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// It is impossible to hold a complete ObjCInterface with a single
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// GlobalRecord, so continue to treat this symbol a generic global.
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Symbols->addGlobal(EncodeKind::GlobalSymbol, GR.getName(), GR.getFlags(),
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Targ);
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}
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void SymbolConverter::addIVars(const ArrayRef<ObjCIVarRecord *> IVars,
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StringRef ContainerName) {
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for (auto *IV : IVars) {
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if (shouldSkipRecord(*IV, RecordUndefs))
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continue;
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std::string Name =
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ObjCIVarRecord::createScopedName(ContainerName, IV->getName());
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Symbols->addGlobal(EncodeKind::ObjectiveCInstanceVariable, Name,
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IV->getFlags(), Targ);
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}
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}
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void SymbolConverter::visitObjCInterface(const ObjCInterfaceRecord &ObjCR) {
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if (!shouldSkipRecord(ObjCR, RecordUndefs)) {
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if (ObjCR.isCompleteInterface()) {
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Symbols->addGlobal(EncodeKind::ObjectiveCClass, ObjCR.getName(),
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ObjCR.getFlags(), Targ);
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if (ObjCR.hasExceptionAttribute())
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Symbols->addGlobal(EncodeKind::ObjectiveCClassEHType, ObjCR.getName(),
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ObjCR.getFlags(), Targ);
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} else {
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// Because there is not a complete interface, visit individual symbols
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// instead.
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if (ObjCR.isExportedSymbol(ObjCIFSymbolKind::EHType))
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Symbols->addGlobal(EncodeKind::GlobalSymbol,
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(ObjC2EHTypePrefix + ObjCR.getName()).str(),
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ObjCR.getFlags(), Targ);
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if (ObjCR.isExportedSymbol(ObjCIFSymbolKind::Class))
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Symbols->addGlobal(EncodeKind::GlobalSymbol,
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(ObjC2ClassNamePrefix + ObjCR.getName()).str(),
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ObjCR.getFlags(), Targ);
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if (ObjCR.isExportedSymbol(ObjCIFSymbolKind::MetaClass))
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Symbols->addGlobal(EncodeKind::GlobalSymbol,
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(ObjC2MetaClassNamePrefix + ObjCR.getName()).str(),
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ObjCR.getFlags(), Targ);
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}
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}
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addIVars(ObjCR.getObjCIVars(), ObjCR.getName());
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for (const auto *Cat : ObjCR.getObjCCategories())
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addIVars(Cat->getObjCIVars(), ObjCR.getName());
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}
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void SymbolConverter::visitObjCCategory(const ObjCCategoryRecord &Cat) {
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addIVars(Cat.getObjCIVars(), Cat.getSuperClassName());
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}
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