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// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef VM_VERIFIER_H_
#define VM_VERIFIER_H_
#include "vm/flags.h"
#include "vm/globals.h"
#include "vm/handles.h"
#include "vm/visitor.h"
namespace dart {
DECLARE_FLAG(bool, verify_on_transition);
#define VERIFY_ON_TRANSITION \
if (FLAG_verify_on_transition) { \
VerifyPointersVisitor::VerifyPointers(); \
Isolate::Current()->heap()->Verify(); \
} \
// Forward declarations.
class Isolate;
class ObjectSet;
class RawObject;
class VerifyObjectVisitor : public ObjectVisitor {
public:
VerifyObjectVisitor(Isolate* isolate, ObjectSet* allocated_set)
: ObjectVisitor(isolate),
allocated_set_(allocated_set) {
}
virtual void VisitObject(RawObject* obj);
private:
ObjectSet* allocated_set_;
DISALLOW_COPY_AND_ASSIGN(VerifyObjectVisitor);
};
// A sample object pointer visitor implementation which verifies that
// the pointers visited are contained in the isolate heap.
class VerifyPointersVisitor : public ObjectPointerVisitor {
public:
explicit VerifyPointersVisitor(Isolate* isolate, ObjectSet* allocated_set)
: ObjectPointerVisitor(isolate),
allocated_set_(allocated_set) {
}
virtual void VisitPointers(RawObject** first, RawObject** last);
static void VerifyPointers();
private:
ObjectSet* allocated_set_;
DISALLOW_COPY_AND_ASSIGN(VerifyPointersVisitor);
};
class VerifyWeakPointersVisitor : public HandleVisitor {
public:
explicit VerifyWeakPointersVisitor(VerifyPointersVisitor* visitor)
: visitor_(visitor) {
}
virtual void VisitHandle(uword addr);
private:
ObjectPointerVisitor* visitor_;
ObjectSet* allocated_set;
DISALLOW_COPY_AND_ASSIGN(VerifyWeakPointersVisitor);
};
} // namespace dart
#endif // VM_VERIFIER_H_