10 #include "clang/AST/ASTContext.h"
11 #include "clang/Lex/Lexer.h"
21 ast_matchers::internal::Matcher<Stmt>, InnerMatcher) {
22 const Stmt *
E = &Node;
25 if (
const auto *EWC = dyn_cast<ExprWithCleanups>(
E))
26 E = EWC->getSubExpr();
28 else if (
const auto *BTE = dyn_cast<CXXBindTemporaryExpr>(
E))
29 E = BTE->getSubExpr();
31 else if (
const auto *FCE = dyn_cast<CXXFunctionalCastExpr>(
E))
32 E = FCE->getSubExpr();
37 return InnerMatcher.matches(*
E, Finder,
Builder);
41 AST_MATCHER_P(CXXRecordDecl, baseOfBoundNode, std::string, ID) {
43 [&](
const ast_matchers::internal::BoundNodesMap &Nodes) {
44 const auto *Derived = Nodes.getNodeAs<CXXRecordDecl>(ID);
45 return Derived != &Node && !Derived->isDerivedFrom(&Node);
50 void UndelegatedConstructorCheck::registerMatchers(MatchFinder *Finder) {
59 ast_type_traits::TK_AsIs,
60 compoundStmt(hasParent(cxxConstructorDecl(
61 ofClass(cxxRecordDecl().bind(
"parent")))),
62 forEach(ignoringTemporaryExpr(
64 hasDeclaration(cxxConstructorDecl(ofClass(
65 cxxRecordDecl(baseOfBoundNode(
"parent"))))))
67 unless(isInTemplateInstantiation()))),
71 void UndelegatedConstructorCheck::check(
72 const MatchFinder::MatchResult &Result) {
73 const auto *
E = Result.Nodes.getNodeAs<CXXConstructExpr>(
"construct");
74 diag(
E->getBeginLoc(),
"did you intend to call a delegated constructor? "
75 "A temporary object is created here instead");