Line data Source code
1 : // Copyright 2016 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : #ifndef V8_FIELD_TYPE_H_
6 : #define V8_FIELD_TYPE_H_
7 :
8 : #include "src/ast/ast-types.h"
9 : #include "src/objects.h"
10 : #include "src/ostreams.h"
11 :
12 : namespace v8 {
13 : namespace internal {
14 :
15 : template <typename T>
16 : class Handle;
17 :
18 : class FieldType : public Object {
19 : public:
20 : static FieldType* None();
21 : static FieldType* Any();
22 : static Handle<FieldType> None(Isolate* isolate);
23 : static Handle<FieldType> Any(Isolate* isolate);
24 : static FieldType* Class(i::Map* map);
25 : static Handle<FieldType> Class(i::Handle<i::Map> map, Isolate* isolate);
26 : static FieldType* cast(Object* object);
27 :
28 64803159 : bool NowContains(Object* value) {
29 64803159 : if (this == Any()) return true;
30 9264641 : if (this == None()) return false;
31 9264610 : if (!value->IsHeapObject()) return false;
32 9264610 : return HeapObject::cast(value)->map() == Map::cast(this);
33 : }
34 :
35 40561440 : bool NowContains(Handle<Object> value) { return NowContains(*value); }
36 :
37 : bool IsClass();
38 : Handle<i::Map> AsClass();
39 4706612 : bool IsNone() { return this == None(); }
40 : bool IsAny() { return this == Any(); }
41 : bool NowStable();
42 : bool NowIs(FieldType* other);
43 : bool NowIs(Handle<FieldType> other);
44 : AstType* Convert(Zone* zone);
45 :
46 : void PrintTo(std::ostream& os);
47 : };
48 :
49 : } // namespace internal
50 : } // namespace v8
51 :
52 : #endif // V8_FIELD_TYPE_H_
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