forked from OSchip/llvm-project
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
//===---------- UsingInserter.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_USINGINSERTER_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_USINGINSERTER_H
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#include "clang/AST/Decl.h"
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#include "clang/AST/Stmt.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/SourceManager.h"
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#include <set>
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namespace clang {
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namespace tidy {
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namespace utils {
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// UsingInserter adds using declarations for |QualifiedName| to the surrounding
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// function.
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// This allows using a shorter name without clobbering other scopes.
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class UsingInserter {
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public:
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UsingInserter(const SourceManager &SourceMgr);
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// Creates a \p using declaration fixit. Returns ``llvm::None`` on error
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// or if the using declaration already exists.
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llvm::Optional<FixItHint>
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createUsingDeclaration(ASTContext &Context, const Stmt &Statement,
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llvm::StringRef QualifiedName);
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// Returns the unqualified version of the name if there is an
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// appropriate using declaration and the qualified name otherwise.
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llvm::StringRef getShortName(ASTContext &Context, const Stmt &Statement,
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llvm::StringRef QualifiedName);
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private:
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typedef std::pair<const FunctionDecl *, std::string> NameInFunction;
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const SourceManager &SourceMgr;
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std::set<NameInFunction> AddedUsing;
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};
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} // namespace utils
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_USINGINSERTER_H
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