================ @@ -0,0 +1,840 @@ +//===--- UseExplicitNamespacesCheck.cpp - 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 +// +//===----------------------------------------------------------------------===// + +#include "UseExplicitNamespacesCheck.h" +#include "clang/AST/ASTContext.h" +#include "clang/AST/ASTTypeTraits.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/ASTMatchers/ASTMatchers.h" +#include "clang/Basic/TokenKinds.h" +#include "clang/Lex/Lexer.h" +#include <iomanip> +#include <iostream> +#include <sstream> + +using namespace clang::ast_matchers; + +namespace clang::tidy::readability { + +bool isTransparentNamespace(const NamespaceDecl *decl) { + return decl->isInline() || decl->isAnonymousNamespace(); +} + +std::string getIdentifierString(const IdentifierInfo *identifier) { + return (identifier) ? identifier->getNameStart() : "(nullptr)"; +} + +std::string getMatchContext(const char *match, const DynTypedNode &node) { + std::stringstream out; + out << match << "(" << node.getNodeKind().asStringRef().str() << ")"; + return out.str(); +} + +std::string trueFalseString(bool value) { return value ? "true" : "false"; } + +UseExplicitNamespacesCheck::UseExplicitNamespacesCheck( + StringRef Name, ClangTidyContext *Context) + : ClangTidyCheck(Name, Context), + limitToPattern(Options.get("LimitToPattern", "")), + onlyExpandUsingNamespace(Options.get("OnlyExpandUsingNamespace", true)), + diagnosticLevel(Options.get("DiagnosticLevel", 0)) { + auto limitString = limitToPattern.str(); + size_t startIndex = 0; + while (startIndex < limitString.size()) { + size_t found = limitString.find("::", startIndex); + size_t end = found == std::string::npos ? limitString.size() : found; + size_t length = end - startIndex; + if (length) { + limitToPatternVector.emplace_back(limitString, startIndex, length); + } + startIndex = end + 2; + } +} + +void UseExplicitNamespacesCheck::storeOptions( + ClangTidyOptions::OptionMap &Opts) { + Options.store(Opts, "LimitToPattern", limitToPattern); + Options.store(Opts, "OnlyExpandUsingNamespace", onlyExpandUsingNamespace); + Options.store(Opts, "DiagnosticLevel", diagnosticLevel); +} + +void UseExplicitNamespacesCheck::registerMatchers( + ast_matchers::MatchFinder *Finder) { + Finder->addMatcher( + declRefExpr(unless(hasAncestor(substNonTypeTemplateParmExpr()))) + .bind("DeclRefExpr"), + this); + Finder->addMatcher(declaratorDecl().bind("DeclaratorDecl"), this); + Finder->addMatcher(cxxNewExpr().bind("CXXNewExpr"), this); + Finder->addMatcher(cxxTemporaryObjectExpr().bind("CXXTemporaryObjectExpr"), + this); + Finder->addMatcher(typedefNameDecl().bind("TypedefNameDecl"), this); +} + +bool UseExplicitNamespacesCheck::matchesNamespaceLimits( + const std::vector<const DeclContext *> &targetContextVector) { + if (limitToPatternVector.empty()) { + return true; + } + size_t currentTargetIndex = 0; + auto findMatch = [¤tTargetIndex, + &targetContextVector](const std::string &name) -> bool { + while (currentTargetIndex < targetContextVector.size()) { ---------------- PiotrZSL wrote:
use iterators. https://github.com/llvm/llvm-project/pull/70621 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
