clang-tools  15.0.0git
NamespaceAliaser.h
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1 //===---------- NamespaceAliaser.h - clang-tidy ---------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_NAMESPACEALIASER_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_NAMESPACEALIASER_H
11 
12 #include "clang/AST/ASTContext.h"
13 #include "clang/AST/Stmt.h"
14 #include "clang/Basic/Diagnostic.h"
15 #include "clang/Basic/SourceManager.h"
16 #include "llvm/ADT/DenseMap.h"
17 #include "llvm/ADT/StringMap.h"
18 #include <map>
19 
20 namespace clang {
21 namespace tidy {
22 namespace utils {
23 
24 // This class creates function-level namespace aliases.
26 public:
27  explicit NamespaceAliaser(const SourceManager &SourceMgr);
28  // Adds a namespace alias for \p Namespace valid near \p
29  // Statement. Picks the first available name from \p Abbreviations.
30  // Returns ``llvm::None`` if an alias already exists or there is an error.
31  llvm::Optional<FixItHint>
32  createAlias(ASTContext &Context, const Stmt &Statement,
33  llvm::StringRef Namespace,
34  const std::vector<std::string> &Abbreviations);
35 
36  // Get an alias name for \p Namespace valid at \p Statement. Returns \p
37  // Namespace if there is no alias.
38  std::string getNamespaceName(ASTContext &Context, const Stmt &Statement,
39  llvm::StringRef Namespace) const;
40 
41 private:
42  const SourceManager &SourceMgr;
43  llvm::DenseMap<const FunctionDecl *, llvm::StringMap<std::string>>
44  AddedAliases;
45 };
46 
47 } // namespace utils
48 } // namespace tidy
49 } // namespace clang
50 
51 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_NAMESPACEALIASER_H
clang::tidy::utils::NamespaceAliaser::createAlias
llvm::Optional< FixItHint > createAlias(ASTContext &Context, const Stmt &Statement, llvm::StringRef Namespace, const std::vector< std::string > &Abbreviations)
Definition: NamespaceAliaser.cpp:30
clang::tidy::utils::NamespaceAliaser::NamespaceAliaser
NamespaceAliaser(const SourceManager &SourceMgr)
Definition: NamespaceAliaser.cpp:21
clang::tidy::utils::NamespaceAliaser::getNamespaceName
std::string getNamespaceName(ASTContext &Context, const Stmt &Statement, llvm::StringRef Namespace) const
Definition: NamespaceAliaser.cpp:81
clang::tidy::utils::NamespaceAliaser
Definition: NamespaceAliaser.h:25
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27