10 #include "clang/AST/ASTContext.h" 11 #include "clang/ASTMatchers/ASTMatchFinder.h" 12 #include "clang/Lex/Lexer.h" 18 namespace readability {
20 void UniqueptrDeleteReleaseCheck::registerMatchers(MatchFinder *Finder) {
21 auto IsSusbstituted = qualType(anyOf(
22 substTemplateTypeParmType(), hasDescendant(substTemplateTypeParmType())));
24 auto UniquePtrWithDefaultDelete = classTemplateSpecializationDecl(
25 hasName(
"std::unique_ptr"),
26 hasTemplateArgument(1, refersToType(qualType(hasDeclaration(cxxRecordDecl(
27 hasName(
"std::default_delete")))))));
30 cxxDeleteExpr(has(ignoringParenImpCasts(cxxMemberCallExpr(
31 on(expr(hasType(UniquePtrWithDefaultDelete),
32 unless(hasType(IsSusbstituted)))
34 callee(cxxMethodDecl(hasName(
"release")))))))
39 void UniqueptrDeleteReleaseCheck::check(
40 const MatchFinder::MatchResult &
Result) {
41 const auto *PtrExpr = Result.Nodes.getNodeAs<Expr>(
"uptr");
42 const auto *DeleteExpr = Result.Nodes.getNodeAs<Expr>(
"delete");
44 if (PtrExpr->getBeginLoc().isMacroID())
50 if (PtrExpr->getType()->isDependentType())
53 SourceLocation AfterPtr = Lexer::getLocForEndOfToken(
54 PtrExpr->getEndLoc(), 0, *Result.SourceManager, getLangOpts());
56 diag(DeleteExpr->getBeginLoc(),
57 "prefer '= nullptr' to 'delete x.release()' to reset unique_ptr<> " 59 << FixItHint::CreateRemoval(CharSourceRange::getCharRange(
60 DeleteExpr->getBeginLoc(), PtrExpr->getBeginLoc()))
61 << FixItHint::CreateReplacement(
llvm::Optional< Range > getTokenRange(const SourceManager &SM, const LangOptions &LangOpts, SourceLocation TokLoc)
Returns the taken range at TokLoc.
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result