6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
//===--- ConfusableIdentifierCheck.h - clang-tidy
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//-------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONFUSABLE_IDENTIFIER_CHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONFUSABLE_IDENTIFIER_CHECK_H
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#include "../ClangTidyCheck.h"
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#include <unordered_map>
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namespace clang::tidy::misc {
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/// Finds symbol which have confusable identifiers, i.e. identifiers that look
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/// the same visually but have a different Unicode representation.
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/// If symbols are confusable but don't live in conflicting namespaces, they are
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/// not reported.
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class ConfusableIdentifierCheck : public ClangTidyCheck {
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public:
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ConfusableIdentifierCheck(StringRef Name, ClangTidyContext *Context);
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~ConfusableIdentifierCheck();
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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void onEndOfTranslationUnit() override;
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std::optional<TraversalKind> getCheckTraversalKind() const override {
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return TK_IgnoreUnlessSpelledInSource;
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}
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struct ContextInfo {
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const DeclContext *PrimaryContext;
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const DeclContext *NonTransparentContext;
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llvm::SmallVector<const DeclContext *> PrimaryContexts;
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llvm::SmallVector<const CXXRecordDecl *> Bases;
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};
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private:
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struct Entry {
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const NamedDecl *Declaration;
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const ContextInfo *Info;
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};
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const ContextInfo *getContextInfo(const DeclContext *DC);
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llvm::StringMap<llvm::SmallVector<Entry>> Mapper;
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std::unordered_map<const DeclContext *, ContextInfo> ContextInfos;
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};
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} // namespace clang::tidy::misc
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONFUSABLE_IDENTIFIER_CHECK_H
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