================ @@ -0,0 +1,76 @@ +//===----------------------------------------------------------------------===// +// +// 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 "UsePlaceholderBindingCheck.h" +#include "../utils/DeclRefExprUtils.h" +#include "clang/AST/ASTContext.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/Lex/Lexer.h" + +using namespace clang::ast_matchers; + +namespace clang::tidy::modernize { + +namespace { +AST_POLYMORPHIC_MATCHER(isInMacro, + AST_POLYMORPHIC_SUPPORTED_TYPES(Stmt, Decl)) { + return Node.getBeginLoc().isMacroID() || Node.getEndLoc().isMacroID(); +} + +AST_MATCHER(VarDecl, hasAutomaticStorageDurationAndNoSpecifiers) { + return !Node.hasAttrs() && Node.getStorageClass() == SC_None && + Node.getTSCSpec() == TSCS_unspecified; +} +} // namespace + +void UsePlaceholderBindingCheck::registerMatchers(MatchFinder *Finder) { + Finder->addMatcher( + cStyleCastExpr( + unless(isInMacro()), hasType(voidType()), + hasParent(stmt(anyOf(compoundStmt(), switchCase()))), + hasSourceExpression(ignoringParens(declRefExpr( + unless(isInMacro()), + to(bindingDecl(forDecomposition(varDecl( + unless(isInMacro()), + hasAutomaticStorageDurationAndNoSpecifiers(), + hasAncestor(compoundStmt().bind("scope"))))) + .bind("binding")))))) + .bind("cast"), + this); +} + +void UsePlaceholderBindingCheck::check(const MatchFinder::MatchResult &Result) { + const auto *Cast = Result.Nodes.getNodeAs<CStyleCastExpr>("cast"); + const auto *Binding = Result.Nodes.getNodeAs<BindingDecl>("binding"); + const auto *Scope = Result.Nodes.getNodeAs<CompoundStmt>("scope"); + ASTContext &Context = *Result.Context; + + if (Binding->isParameterPack() || ---------------- zwuis wrote:
When the condition is true? Please add tests. https://github.com/llvm/llvm-project/pull/207604 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
