koda@google.com
627e89639c
Verify expected state of mark bit, depending on: - pre vs. post-GC - VM vs. regular isolate - concurrent vs. regular sweep Review URL: https://codereview.chromium.org//630933002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@40943 260f80e4-7a28-3924-810f-c04153c831b5
86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef VM_VERIFIER_H_
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#define VM_VERIFIER_H_
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#include "vm/flags.h"
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#include "vm/globals.h"
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#include "vm/handles.h"
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#include "vm/visitor.h"
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namespace dart {
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// Forward declarations.
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class Isolate;
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class ObjectSet;
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class RawObject;
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enum MarkExpectation {
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kForbidMarked,
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kAllowMarked,
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kRequireMarked
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};
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class VerifyObjectVisitor : public ObjectVisitor {
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public:
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VerifyObjectVisitor(Isolate* isolate,
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ObjectSet* allocated_set,
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MarkExpectation mark_expectation)
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: ObjectVisitor(isolate),
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allocated_set_(allocated_set),
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mark_expectation_(mark_expectation) {
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}
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virtual void VisitObject(RawObject* obj);
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private:
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ObjectSet* allocated_set_;
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MarkExpectation mark_expectation_;
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DISALLOW_COPY_AND_ASSIGN(VerifyObjectVisitor);
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};
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// A sample object pointer visitor implementation which verifies that
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// the pointers visited are contained in the isolate heap.
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class VerifyPointersVisitor : public ObjectPointerVisitor {
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public:
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explicit VerifyPointersVisitor(Isolate* isolate, ObjectSet* allocated_set)
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: ObjectPointerVisitor(isolate),
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allocated_set_(allocated_set) {
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}
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virtual void VisitPointers(RawObject** first, RawObject** last);
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static void VerifyPointers(MarkExpectation mark_expectation = kForbidMarked);
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private:
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ObjectSet* allocated_set_;
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DISALLOW_COPY_AND_ASSIGN(VerifyPointersVisitor);
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};
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class VerifyWeakPointersVisitor : public HandleVisitor {
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public:
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explicit VerifyWeakPointersVisitor(VerifyPointersVisitor* visitor)
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: HandleVisitor(Isolate::Current()),
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visitor_(visitor) {
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}
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virtual void VisitHandle(uword addr);
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private:
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ObjectPointerVisitor* visitor_;
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ObjectSet* allocated_set;
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DISALLOW_COPY_AND_ASSIGN(VerifyWeakPointersVisitor);
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};
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} // namespace dart
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#endif // VM_VERIFIER_H_
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