clang-tools  14.0.0git
ConcatNestedNamespacesCheck.h
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1 //===--- ConcatNestedNamespacesCheck.h - clang-tidy--------------*- C++ -*-===//
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_MODERNIZE_CONCATNESTEDNAMESPACESCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_CONCATNESTEDNAMESPACESCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 #include "llvm/ADT/SmallString.h"
14 #include "llvm/ADT/SmallVector.h"
15 
16 namespace clang {
17 namespace tidy {
18 namespace modernize {
19 
21 public:
23  : ClangTidyCheck(Name, Context) {}
24  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
25  return LangOpts.CPlusPlus17;
26  }
27  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
28  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
29 
30 private:
31  using NamespaceContextVec = llvm::SmallVector<const NamespaceDecl *, 6>;
32  using NamespaceString = llvm::SmallString<40>;
33 
34  void reportDiagnostic(const SourceRange &FrontReplacement,
35  const SourceRange &BackReplacement);
36  NamespaceString concatNamespaces();
37  NamespaceContextVec Namespaces;
38 };
39 } // namespace modernize
40 } // namespace tidy
41 } // namespace clang
42 
43 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_CONCATNESTEDNAMESPACESCHECK_H
clang::tidy::modernize::ConcatNestedNamespacesCheck::ConcatNestedNamespacesCheck
ConcatNestedNamespacesCheck(StringRef Name, ClangTidyContext *Context)
Definition: ConcatNestedNamespacesCheck.h:22
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidyCheck.h:54
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:72
Name
static constexpr llvm::StringLiteral Name
Definition: UppercaseLiteralSuffixCheck.cpp:28
clang::tidy::modernize::ConcatNestedNamespacesCheck
Definition: ConcatNestedNamespacesCheck.h:20
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
clang::tidy::modernize::ConcatNestedNamespacesCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: ConcatNestedNamespacesCheck.cpp:64
clang::tidy::modernize::ConcatNestedNamespacesCheck::isLanguageVersionSupported
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition: ConcatNestedNamespacesCheck.h:24
clang::tidy::modernize::ConcatNestedNamespacesCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: ConcatNestedNamespacesCheck.cpp:77