| //===---------- UsingInserter.h - clang-tidy ----------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_USINGINSERTER_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_USINGINSERTER_H |
| |
| #include "clang/AST/Decl.h" |
| #include "clang/AST/Stmt.h" |
| #include "clang/Basic/Diagnostic.h" |
| #include "clang/Basic/SourceManager.h" |
| #include <set> |
| |
| namespace clang { |
| namespace tidy { |
| namespace utils { |
| |
| // UsingInserter adds using declarations for |QualifiedName| to the surrounding |
| // function. |
| // This allows using a shorter name without clobbering other scopes. |
| class UsingInserter { |
| public: |
| UsingInserter(const SourceManager &SourceMgr); |
| |
| // Creates a \p using declaration fixit. Returns ``llvm::None`` on error |
| // or if the using declaration already exists. |
| llvm::Optional<FixItHint> |
| createUsingDeclaration(ASTContext &Context, const Stmt &Statement, |
| llvm::StringRef QualifiedName); |
| |
| // Returns the unqualified version of the name if there is an |
| // appropriate using declaration and the qualified name otherwise. |
| llvm::StringRef getShortName(ASTContext &Context, const Stmt &Statement, |
| llvm::StringRef QualifiedName); |
| |
| private: |
| typedef std::pair<const FunctionDecl *, std::string> NameInFunction; |
| const SourceManager &SourceMgr; |
| std::set<NameInFunction> AddedUsing; |
| }; |
| |
| } // namespace utils |
| } // namespace tidy |
| } // namespace clang |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_USINGINSERTER_H |