forked from OSchip/llvm-project
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===---------- IncludeInserter.h - clang-tidy ----------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_INCLUDEINSERTER_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_INCLUDEINSERTER_H
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#include "IncludeSorter.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/LangOptions.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Lex/PPCallbacks.h"
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#include <memory>
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#include <string>
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namespace clang {
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namespace tidy {
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// IncludeInserter can be used by ClangTidyChecks in the following fashion:
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// class MyCheck : public ClangTidyCheck {
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// public:
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// void registerPPCallbacks(CompilerInstance& Compiler) override {
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// Inserter.reset(new IncludeInserter(&Compiler.getSourceManager(),
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// &Compiler.getLangOpts()));
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// Compiler.getPreprocessor().addPPCallbacks(
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// Inserter->CreatePPCallback());
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// }
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//
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// void registerMatchers(ast_matchers::MatchFinder* Finder) override { ... }
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//
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// void check(const ast_matchers::MatchFinder::MatchResult& Result) override {
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// ...
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// Inserter->CreateIncludeInsertion(
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// Result.SourceManager->getMainFileID(), "path/to/Header.h",
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// /*IsAngled=*/false);
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// ...
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// }
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//
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// private:
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// std::unique_ptr<IncludeInserter> Inserter;
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// };
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class IncludeInserter {
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public:
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IncludeInserter(const SourceManager &SourceMgr, const LangOptions &LangOpts,
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IncludeSorter::IncludeStyle Style);
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~IncludeInserter();
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// Create PPCallbacks for registration with the compiler's preprocessor.
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std::unique_ptr<PPCallbacks> CreatePPCallbacks();
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// Creates a Header inclusion directive fixit. Returns None on error or
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// if inclusion directive already exists.
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llvm::Optional<FixItHint>
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CreateIncludeInsertion(FileID FileID, llvm::StringRef Header, bool IsAngled);
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private:
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void AddInclude(StringRef file_name, bool IsAngled,
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SourceLocation hash_location, SourceLocation end_location);
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llvm::DenseMap<FileID, std::unique_ptr<IncludeSorter>> IncludeSorterByFile;
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llvm::DenseMap<FileID, std::set<std::string>> InsertedHeaders;
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const SourceManager &SourceMgr;
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const LangOptions &LangOpts;
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const IncludeSorter::IncludeStyle Style;
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friend class IncludeInserterCallback;
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};
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_INCLUDEINSERTER_H
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