================ @@ -0,0 +1,124 @@ +//===--- UseStdMoveCheck.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 "UseStdMoveCheck.h" + +#include "../utils/DeclRefExprUtils.h" + +#include "clang/AST/Expr.h" +#include "clang/AST/ExprCXX.h" +#include "clang/ASTMatchers/ASTMatchers.h" +#include "clang/Analysis/Analyses/CFGReachabilityAnalysis.h" +#include "clang/Lex/Lexer.h" +#include "llvm/ADT/STLExtras.h" + +using namespace clang::ast_matchers; + +namespace clang::tidy::performance { + +namespace { +AST_MATCHER(CXXRecordDecl, hasTrivialMoveAssignment) { + return Node.hasTrivialMoveAssignment(); +} + +AST_MATCHER(QualType, isScalarType) { return Node->isScalarType(); } + +AST_MATCHER(QualType, isLValueReferenceType) { + return Node->isLValueReferenceType(); +} + +// Ignore nodes inside macros. +AST_POLYMORPHIC_MATCHER(isInMacro, + AST_POLYMORPHIC_SUPPORTED_TYPES(Stmt, Decl)) { + return Node.getBeginLoc().isMacroID() || Node.getEndLoc().isMacroID(); +} +} // namespace + +using utils::decl_ref_expr::allDeclRefExprs; + +void UseStdMoveCheck::registerMatchers(MatchFinder *Finder) { + auto AssignOperatorExpr = + cxxOperatorCallExpr( + hasOperatorName("="), + hasArgument( + 0, hasType(cxxRecordDecl(hasMethod(isMoveAssignmentOperator()), ---------------- flovent wrote:
Do we need to use `hasMethod` to traverse all methods here? i think `CXXRecordDecl::hasNonTrivialMoveAssignment` is functional equal. https://github.com/llvm/llvm-project/pull/179467 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
