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//===--- BugType.h - Bug Information Description ---------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file defines BugType, a class representing a bug type.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_STATICANALYZER_CORE_BUGREPORTER_BUGTYPE_H
#define LLVM_CLANG_STATICANALYZER_CORE_BUGREPORTER_BUGTYPE_H
#include "clang/Basic/LLVM.h"
#include "clang/StaticAnalyzer/Core/BugReporter/CommonBugCategories.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include <string>
namespace clang {
namespace ento {
class BugReporter;
class ExplodedNode;
class ExprEngine;
class BugType {
private:
const CheckerNameRef CheckerName;
const std::string Description;
const std::string Category;
const CheckerBase *Checker;
bool SuppressOnSink;
virtual void anchor();
public:
BugType(CheckerNameRef CheckerName, StringRef Name, StringRef Cat,
bool SuppressOnSink = false)
: CheckerName(CheckerName), Description(Name), Category(Cat),
Checker(nullptr), SuppressOnSink(SuppressOnSink) {}
BugType(const CheckerBase *Checker, StringRef Name, StringRef Cat,
bool SuppressOnSink = false)
: CheckerName(Checker->getCheckerName()), Description(Name),
Category(Cat), Checker(Checker), SuppressOnSink(SuppressOnSink) {}
virtual ~BugType() = default;
StringRef getDescription() const { return Description; }
StringRef getCategory() const { return Category; }
StringRef getCheckerName() const {
// FIXME: This is a workaround to ensure that the correct checerk name is
// used. The checker names are set after the constructors are run.
// In case the BugType object is initialized in the checker's ctor
// the CheckerName field will be empty. To circumvent this problem we use
// CheckerBase whenever it is possible.
StringRef Ret = Checker ? Checker->getCheckerName() : CheckerName;
assert(!Ret.empty() && "Checker name is not set properly.");
return Ret;
}
/// isSuppressOnSink - Returns true if bug reports associated with this bug
/// type should be suppressed if the end node of the report is post-dominated
/// by a sink node.
bool isSuppressOnSink() const { return SuppressOnSink; }
};
class BuiltinBug : public BugType {
const std::string desc;
void anchor() override;
public:
BuiltinBug(class CheckerNameRef checker, const char *name,
const char *description)
: BugType(checker, name, categories::LogicError), desc(description) {}
BuiltinBug(const CheckerBase *checker, const char *name,
const char *description)
: BugType(checker, name, categories::LogicError), desc(description) {}
BuiltinBug(class CheckerNameRef checker, const char *name)
: BugType(checker, name, categories::LogicError), desc(name) {}
BuiltinBug(const CheckerBase *checker, const char *name)
: BugType(checker, name, categories::LogicError), desc(name) {}
StringRef getDescription() const { return desc; }
};
} // namespace ento
} // end clang namespace
#endif