forked from OSchip/llvm-project
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
//===-- FindAllMacros.h - find all macros -----------------------*- C++ -*-===//
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//
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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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#ifndef LLVM_CLANG_TOOLS_EXTRA_FIND_ALL_SYMBOLS_FIND_ALL_MACROS_H
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#define LLVM_CLANG_TOOLS_EXTRA_FIND_ALL_SYMBOLS_FIND_ALL_MACROS_H
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#include "SymbolInfo.h"
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#include "SymbolReporter.h"
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#include "clang/Lex/PPCallbacks.h"
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namespace clang {
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class MacroInfo;
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namespace find_all_symbols {
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class HeaderMapCollector;
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/// \brief A preprocessor that collects all macro symbols.
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/// The contexts of a macro will be ignored since they are not available during
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/// preprocessing period.
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class FindAllMacros : public clang::PPCallbacks {
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public:
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explicit FindAllMacros(SymbolReporter *Reporter, SourceManager *SM,
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HeaderMapCollector *Collector = nullptr)
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: Reporter(Reporter), SM(SM), Collector(Collector) {}
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void MacroDefined(const Token &MacroNameTok,
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const MacroDirective *MD) override;
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void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD,
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SourceRange Range, const MacroArgs *Args) override;
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void Ifdef(SourceLocation Loc, const Token &MacroNameTok,
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const MacroDefinition &MD) override;
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void Ifndef(SourceLocation Loc, const Token &MacroNameTok,
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const MacroDefinition &MD) override;
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void EndOfMainFile() override;
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private:
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llvm::Optional<SymbolInfo> CreateMacroSymbol(const Token &MacroNameTok,
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const MacroInfo *MD);
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// Not a callback, just a common path for all usage types.
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void MacroUsed(const Token &Name, const MacroDefinition &MD);
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SymbolInfo::SignalMap FileSymbols;
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// Reporter for SymbolInfo.
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SymbolReporter *const Reporter;
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SourceManager *const SM;
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// A remapping header file collector allowing clients to include a different
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// header.
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HeaderMapCollector *const Collector;
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};
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} // namespace find_all_symbols
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_FIND_ALL_SYMBOLS_FIND_ALL_MACROS_H
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