Bisect clang

tools/clang/blink_gc_plugin/tests/heap/stubs.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef HEAP_STUBS_H_
+#define HEAP_STUBS_H_
+
+#include "stddef.h"
+
+#define WTF_MAKE_FAST_ALLOCATED                 \
+    public:                                     \
+    void* operator new(size_t, void* p);        \
+    void* operator new[](size_t, void* p);      \
+    void* operator new(size_t size);            \
+    private:                                    \
+    typedef int __thisIsHereToForceASemicolonAfterThisMacro
+
+namespace WTF {
+
+template<typename T> class RefCounted { };
+
+template<typename T> class RawPtr {
+public:
+    operator T*() const { return 0; }
+    T* operator->() { return 0; }
+};
+
+template<typename T> class RefPtr {
+public:
+    ~RefPtr() { }
+    operator T*() const { return 0; }
+    T* operator->() { return 0; }
+};
+
+template<typename T> class OwnPtr {
+public:
+    ~OwnPtr() { }
+    operator T*() const { return 0; }
+    T* operator->() { return 0; }
+};
+
+class DefaultAllocator {
+public:
+    static const bool isGarbageCollected = false;
+};
+
+template<typename T>
+struct VectorTraits {
+    static const bool needsDestruction = true;
+};
+
+template<size_t inlineCapacity, bool isGarbageCollected, bool tNeedsDestruction>
+class VectorDestructorBase {
+public:
+    ~VectorDestructorBase() {}
+};
+
+template<size_t inlineCapacity>
+class VectorDestructorBase<inlineCapacity, true, false> {};
+
+template<>
+class VectorDestructorBase<0, true, true> {};
+
+template<
+    typename T,
+    size_t inlineCapacity = 0,
+    typename Allocator = DefaultAllocator>
+class Vector : public VectorDestructorBase<inlineCapacity,
+                                           Allocator::isGarbageCollected,
+                                           VectorTraits<T>::needsDestruction> {
+public:
+    size_t size();
+    T& operator[](size_t);
+};
+
+template<
+    typename T,
+    size_t inlineCapacity = 0,
+    typename Allocator = DefaultAllocator>
+class Deque {};
+
+template<
+    typename ValueArg,
+    typename HashArg = void,
+    typename TraitsArg = void,
+    typename Allocator = DefaultAllocator>
+class HashSet {};
+
+template<
+    typename ValueArg,
+    typename HashArg = void,
+    typename TraitsArg = void,
+    typename Allocator = DefaultAllocator>
+class ListHashSet {};
+
+template<
+    typename ValueArg,
+    typename HashArg = void,
+    typename TraitsArg = void,
+    typename Allocator = DefaultAllocator>
+class LinkedHashSet {};
+
+template<
+    typename ValueArg,
+    typename HashArg = void,
+    typename TraitsArg = void,
+    typename Allocator = DefaultAllocator>
+class HashCountedSet {};
+
+template<
+    typename KeyArg,
+    typename MappedArg,
+    typename HashArg = void,
+    typename KeyTraitsArg = void,
+    typename MappedTraitsArg = void,
+    typename Allocator = DefaultAllocator>
+class HashMap {};
+
+}
+
+namespace blink {
+
+using namespace WTF;
+
+#define DISALLOW_ALLOCATION()                   \
+    private:                                    \
+    void* operator new(size_t) = delete;        \
+    void* operator new(size_t, void*) = delete;
+
+#define STACK_ALLOCATED()                                   \
+    private:                                                \
+    __attribute__((annotate("blink_stack_allocated")))      \
+    void* operator new(size_t) = delete;                    \
+    void* operator new(size_t, void*) = delete;
+
+#define ALLOW_ONLY_INLINE_ALLOCATION()    \
+    public:                               \
+    void* operator new(size_t, void*);    \
+    private:                              \
+    void* operator new(size_t) = delete;
+
+#define GC_PLUGIN_IGNORE(bug)                           \
+    __attribute__((annotate("blink_gc_plugin_ignore")))
+
+#define USING_GARBAGE_COLLECTED_MIXIN(type)                     \
+public:                                                         \
+    virtual void adjustAndMark(Visitor*) const override { }     \
+    virtual bool isHeapObjectAlive(Visitor*) const override { return 0; }
+
+#define EAGERLY_FINALIZED() typedef int IsEagerlyFinalizedMarker
+
+template<typename T> class GarbageCollected { };
+
+template<typename T>
+class GarbageCollectedFinalized : public GarbageCollected<T> { };
+
+template<typename T> class Member {
+public:
+    operator T*() const { return 0; }
+    T* operator->() { return 0; }
+    bool operator!() const { return false; }
+};
+
+template<typename T> class WeakMember {
+public:
+    operator T*() const { return 0; }
+    T* operator->() { return 0; }
+    bool operator!() const { return false; }
+};
+
+template<typename T> class Persistent {
+public:
+    operator T*() const { return 0; }
+    T* operator->() { return 0; }
+    bool operator!() const { return false; }
+};
+
+class HeapAllocator {
+public:
+    static const bool isGarbageCollected = true;
+};
+
+template<typename T, size_t inlineCapacity = 0>
+class HeapVector : public Vector<T, inlineCapacity, HeapAllocator> { };
+
+template<typename T, size_t inlineCapacity = 0>
+class HeapDeque : public Vector<T, inlineCapacity, HeapAllocator> { };
+
+template<typename T>
+class HeapHashSet : public HashSet<T, void, void, HeapAllocator> { };
+
+template<typename T>
+class HeapListHashSet : public ListHashSet<T, void, void, HeapAllocator> { };
+
+template<typename T>
+class HeapLinkedHashSet : public LinkedHashSet<T, void, void, HeapAllocator> {
+};
+
+template<typename T>
+class HeapHashCountedSet : public HashCountedSet<T, void, void, HeapAllocator> {
+};
+
+template<typename K, typename V>
+class HeapHashMap : public HashMap<K, V, void, void, void, HeapAllocator> { };
+
+template<typename T>
+class PersistentHeapVector : public Vector<T, 0, HeapAllocator> { };
+
+template <typename Derived>
+class VisitorHelper {
+public:
+    template<typename T>
+    void trace(const T&);
+};
+
+class Visitor : public VisitorHelper<Visitor> {
+public:
+    template<typename T, void (T::*method)(Visitor*)>
+    void registerWeakMembers(const T* obj);
+};
+
+class InlinedGlobalMarkingVisitor
+    : public VisitorHelper<InlinedGlobalMarkingVisitor> {
+public:
+    InlinedGlobalMarkingVisitor* operator->() { return this; }
+
+    template<typename T, void (T::*method)(Visitor*)>
+    void registerWeakMembers(const T* obj);
+};
+
+class GarbageCollectedMixin {
+public:
+    virtual void adjustAndMark(Visitor*) const = 0;
+    virtual bool isHeapObjectAlive(Visitor*) const = 0;
+    virtual void trace(Visitor*) { }
+};
+
+template<typename T>
+struct TraceIfNeeded {
+    static void trace(Visitor*, T*);
+};
+
+// blink::ScriptWrappable receives special treatment
+// so as to allow it to be used together with GarbageCollected<T>,
+// even when its user-declared destructor is provided.
+// As it is with Oilpan disabled.
+class ScriptWrappable {
+public:
+    ~ScriptWrappable() { /* user-declared, thus, non-trivial */ }
+};
+
+}
+
+namespace WTF {
+
+template<typename T>
+struct VectorTraits<blink::Member<T> > {
+    static const bool needsDestruction = false;
+};
+
+}
+
+#endif