forked from OSchip/llvm-project
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
//===--- ExceptionBaseclassCheck.cpp - clang-tidy--------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "ExceptionBaseclassCheck.h"
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/ASTMatchers/ASTMatchFinder.h"
|
|
|
|
using namespace clang::ast_matchers;
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
namespace hicpp {
|
|
|
|
void ExceptionBaseclassCheck::registerMatchers(MatchFinder *Finder) {
|
|
if (!getLangOpts().CPlusPlus)
|
|
return;
|
|
|
|
Finder->addMatcher(
|
|
cxxThrowExpr(allOf(has(expr(unless(hasType(qualType(hasCanonicalType(
|
|
hasDeclaration(cxxRecordDecl(isSameOrDerivedFrom(
|
|
hasName("std::exception")))))))))),
|
|
has(expr(unless(cxxUnresolvedConstructExpr()))),
|
|
eachOf(has(expr(hasType(namedDecl().bind("decl")))),
|
|
anything())))
|
|
.bind("bad_throw"),
|
|
this);
|
|
}
|
|
|
|
void ExceptionBaseclassCheck::check(const MatchFinder::MatchResult &Result) {
|
|
const auto *BadThrow = Result.Nodes.getNodeAs<CXXThrowExpr>("bad_throw");
|
|
|
|
diag(BadThrow->getSubExpr()->getLocStart(), "throwing an exception whose "
|
|
"type %0 is not derived from "
|
|
"'std::exception'")
|
|
<< BadThrow->getSubExpr()->getType() << BadThrow->getSourceRange();
|
|
|
|
const auto *TypeDecl = Result.Nodes.getNodeAs<NamedDecl>("decl");
|
|
if (TypeDecl != nullptr)
|
|
diag(TypeDecl->getLocStart(), "type defined here", DiagnosticIDs::Note);
|
|
}
|
|
|
|
} // namespace hicpp
|
|
} // namespace tidy
|
|
} // namespace clang
|