1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
// Copyright 2016 the V8 project 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 V8_IC_HANDLER_CONFIGURATION_INL_H_
#define V8_IC_HANDLER_CONFIGURATION_INL_H_
#include "src/ic/handler-configuration.h"
#include "src/field-index-inl.h"
#include "src/objects-inl.h"
#include "src/objects/data-handler-inl.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
TYPE_CHECKER(LoadHandler, LOAD_HANDLER_TYPE)
CAST_ACCESSOR(LoadHandler)
// Decodes kind from Smi-handler.
LoadHandler::Kind LoadHandler::GetHandlerKind(Smi* smi_handler) {
return KindBits::decode(smi_handler->value());
}
Handle<Smi> LoadHandler::LoadNormal(Isolate* isolate) {
int config = KindBits::encode(kNormal);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadGlobal(Isolate* isolate) {
int config = KindBits::encode(kGlobal);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadInterceptor(Isolate* isolate) {
int config = KindBits::encode(kInterceptor);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadField(Isolate* isolate, FieldIndex field_index) {
int config = KindBits::encode(kField) |
IsInobjectBits::encode(field_index.is_inobject()) |
IsDoubleBits::encode(field_index.is_double()) |
FieldIndexBits::encode(field_index.index());
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadConstant(Isolate* isolate, int descriptor) {
int config = KindBits::encode(kConstant) | DescriptorBits::encode(descriptor);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadAccessor(Isolate* isolate, int descriptor) {
int config = KindBits::encode(kAccessor) | DescriptorBits::encode(descriptor);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadProxy(Isolate* isolate) {
int config = KindBits::encode(kProxy);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadNativeDataProperty(Isolate* isolate,
int descriptor) {
int config = KindBits::encode(kNativeDataProperty) |
DescriptorBits::encode(descriptor);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadApiGetter(Isolate* isolate,
bool holder_is_receiver) {
int config = KindBits::encode(
holder_is_receiver ? kApiGetter : kApiGetterHolderIsPrototype);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadModuleExport(Isolate* isolate, int index) {
int config =
KindBits::encode(kModuleExport) | ExportsIndexBits::encode(index);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadNonExistent(Isolate* isolate) {
int config = KindBits::encode(kNonExistent);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadElement(Isolate* isolate,
ElementsKind elements_kind,
bool convert_hole_to_undefined,
bool is_js_array,
KeyedAccessLoadMode load_mode) {
int config =
KindBits::encode(kElement) |
AllowOutOfBoundsBits::encode(load_mode == LOAD_IGNORE_OUT_OF_BOUNDS) |
ElementsKindBits::encode(elements_kind) |
ConvertHoleBits::encode(convert_hole_to_undefined) |
IsJsArrayBits::encode(is_js_array);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> LoadHandler::LoadIndexedString(Isolate* isolate,
KeyedAccessLoadMode load_mode) {
int config =
KindBits::encode(kIndexedString) |
AllowOutOfBoundsBits::encode(load_mode == LOAD_IGNORE_OUT_OF_BOUNDS);
return handle(Smi::FromInt(config), isolate);
}
TYPE_CHECKER(StoreHandler, STORE_HANDLER_TYPE)
CAST_ACCESSOR(StoreHandler)
Handle<Smi> StoreHandler::StoreGlobalProxy(Isolate* isolate) {
int config = KindBits::encode(kGlobalProxy);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> StoreHandler::StoreNormal(Isolate* isolate) {
int config = KindBits::encode(kNormal);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> StoreHandler::StoreProxy(Isolate* isolate) {
int config = KindBits::encode(kProxy);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> StoreHandler::StoreField(Isolate* isolate, Kind kind,
int descriptor, FieldIndex field_index,
Representation representation) {
FieldRepresentation field_rep;
switch (representation.kind()) {
case Representation::kSmi:
field_rep = kSmi;
break;
case Representation::kDouble:
field_rep = kDouble;
break;
case Representation::kHeapObject:
field_rep = kHeapObject;
break;
case Representation::kTagged:
field_rep = kTagged;
break;
default:
UNREACHABLE();
}
DCHECK(kind == kField || (kind == kConstField && FLAG_track_constant_fields));
int config = KindBits::encode(kind) |
IsInobjectBits::encode(field_index.is_inobject()) |
FieldRepresentationBits::encode(field_rep) |
DescriptorBits::encode(descriptor) |
FieldIndexBits::encode(field_index.index());
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> StoreHandler::StoreField(Isolate* isolate, int descriptor,
FieldIndex field_index,
PropertyConstness constness,
Representation representation) {
DCHECK_IMPLIES(!FLAG_track_constant_fields,
constness == PropertyConstness::kMutable);
Kind kind = constness == PropertyConstness::kMutable ? kField : kConstField;
return StoreField(isolate, kind, descriptor, field_index, representation);
}
Handle<Smi> StoreHandler::StoreNativeDataProperty(Isolate* isolate,
int descriptor) {
int config = KindBits::encode(kNativeDataProperty) |
DescriptorBits::encode(descriptor);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> StoreHandler::StoreAccessor(Isolate* isolate, int descriptor) {
int config = KindBits::encode(kAccessor) | DescriptorBits::encode(descriptor);
return handle(Smi::FromInt(config), isolate);
}
Handle<Smi> StoreHandler::StoreApiSetter(Isolate* isolate,
bool holder_is_receiver) {
int config = KindBits::encode(
holder_is_receiver ? kApiSetter : kApiSetterHolderIsPrototype);
return handle(Smi::FromInt(config), isolate);
}
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_IC_HANDLER_CONFIGURATION_INL_H_
|