forked from OSchip/llvm-project
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
//===-- FindAllMacros.cpp - find all macros ---------------------*- C++ -*-===//
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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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#include "FindAllMacros.h"
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#include "HeaderMapCollector.h"
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#include "PathConfig.h"
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#include "SymbolInfo.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Lex/MacroInfo.h"
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#include "clang/Lex/Token.h"
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#include "llvm/Support/Path.h"
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namespace clang {
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namespace find_all_symbols {
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llvm::Optional<SymbolInfo>
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FindAllMacros::CreateMacroSymbol(const Token &MacroNameTok,
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const MacroInfo *info) {
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std::string FilePath =
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getIncludePath(*SM, info->getDefinitionLoc(), Collector);
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if (FilePath.empty())
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return llvm::None;
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return SymbolInfo(MacroNameTok.getIdentifierInfo()->getName(),
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SymbolInfo::SymbolKind::Macro, FilePath, {});
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}
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void FindAllMacros::MacroDefined(const Token &MacroNameTok,
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const MacroDirective *MD) {
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if (auto Symbol = CreateMacroSymbol(MacroNameTok, MD->getMacroInfo()))
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++FileSymbols[*Symbol].Seen;
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}
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void FindAllMacros::MacroUsed(const Token &Name, const MacroDefinition &MD) {
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if (!MD || !SM->isInMainFile(SM->getExpansionLoc(Name.getLocation())))
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return;
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if (auto Symbol = CreateMacroSymbol(Name, MD.getMacroInfo()))
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++FileSymbols[*Symbol].Used;
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}
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void FindAllMacros::MacroExpands(const Token &MacroNameTok,
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const MacroDefinition &MD, SourceRange Range,
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const MacroArgs *Args) {
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MacroUsed(MacroNameTok, MD);
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}
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void FindAllMacros::Ifdef(SourceLocation Loc, const Token &MacroNameTok,
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const MacroDefinition &MD) {
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MacroUsed(MacroNameTok, MD);
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}
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void FindAllMacros::Ifndef(SourceLocation Loc, const Token &MacroNameTok,
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const MacroDefinition &MD) {
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MacroUsed(MacroNameTok, MD);
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}
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void FindAllMacros::EndOfMainFile() {
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Reporter->reportSymbols(SM->getFileEntryForID(SM->getMainFileID())->getName(),
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FileSymbols);
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FileSymbols.clear();
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}
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} // namespace find_all_symbols
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} // namespace clang
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