================ @@ -0,0 +1,81 @@ +//===--- AvoidBoundsErrorsCheck.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 "AvoidBoundsErrorsCheck.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/Lex/Lexer.h" + +#include <iostream> +using namespace clang::ast_matchers; + +namespace clang::tidy::cppcoreguidelines { + +bool isApplicable(const QualType &Type) { + const auto TypeStr = Type.getAsString(); + bool Result = false; + // Only check for containers in the std namespace + if (TypeStr.find("std::vector") != std::string::npos) { + Result = true; + } + if (TypeStr.find("std::array") != std::string::npos) { + Result = true; + } + if (TypeStr.find("std::deque") != std::string::npos) { + Result = true; + } + if (TypeStr.find("std::map") != std::string::npos) { + Result = true; + } + if (TypeStr.find("std::unordered_map") != std::string::npos) { + Result = true; + } + if (TypeStr.find("std::flat_map") != std::string::npos) { + Result = true; + } + // TODO Add std::span with C++26 + return Result; +} + +void AvoidBoundsErrorsCheck::registerMatchers(MatchFinder *Finder) { + Finder->addMatcher( + callExpr(callee(cxxMethodDecl(hasName("operator[]")).bind("f"))) + .bind("x"), + this); +} + +void AvoidBoundsErrorsCheck::check(const MatchFinder::MatchResult &Result) { + const ASTContext &Context = *Result.Context; + const SourceManager &Source = Context.getSourceManager(); + const auto *MatchedExpr = Result.Nodes.getNodeAs<CallExpr>("x"); + const auto *MatchedFunction = Result.Nodes.getNodeAs<CXXMethodDecl>("f"); + const auto Type = MatchedFunction->getThisType(); + if (!isApplicable(Type)) { + return; + } + + // Get original code. + const SourceLocation b(MatchedExpr->getBeginLoc()); + const SourceLocation e(MatchedExpr->getEndLoc()); + const std::string OriginalCode = + Lexer::getSourceText(CharSourceRange::getTokenRange(b, e), Source, + getLangOpts()) + .str(); + const auto Range = SourceRange(b, e); ---------------- PiotrZSL wrote:
may not work with macros. https://github.com/llvm/llvm-project/pull/90043 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
