1/*
2 * Copyright (C) 2013, 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "MapPrototype.h"
28
29#include "BuiltinNames.h"
30#include "Error.h"
31#include "ExceptionHelpers.h"
32#include "IteratorOperations.h"
33#include "JSCInlines.h"
34#include "JSMap.h"
35#include "Lookup.h"
36
37#include "MapPrototype.lut.h"
38
39namespace JSC {
40
41const ClassInfo MapPrototype::s_info = { "Map", &Base::s_info, &mapPrototypeTable, nullptr, CREATE_METHOD_TABLE(MapPrototype) };
42
43/* Source for MapPrototype.lut.h
44@begin mapPrototypeTable
45 forEach JSBuiltin DontEnum|Function 0
46 values JSBuiltin DontEnum|Function 0
47 keys JSBuiltin DontEnum|Function 0
48@end
49*/
50
51static EncodedJSValue JSC_HOST_CALL mapProtoFuncClear(ExecState*);
52static EncodedJSValue JSC_HOST_CALL mapProtoFuncDelete(ExecState*);
53static EncodedJSValue JSC_HOST_CALL mapProtoFuncGet(ExecState*);
54static EncodedJSValue JSC_HOST_CALL mapProtoFuncHas(ExecState*);
55static EncodedJSValue JSC_HOST_CALL mapProtoFuncSet(ExecState*);
56
57static EncodedJSValue JSC_HOST_CALL mapProtoFuncSize(ExecState*);
58
59void MapPrototype::finishCreation(VM& vm, JSGlobalObject* globalObject)
60{
61 Base::finishCreation(vm);
62 ASSERT(inherits(vm, info()));
63 didBecomePrototype();
64
65 JSC_NATIVE_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->clear, mapProtoFuncClear, static_cast<unsigned>(PropertyAttribute::DontEnum), 0);
66 JSC_NATIVE_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->deleteKeyword, mapProtoFuncDelete, static_cast<unsigned>(PropertyAttribute::DontEnum), 1);
67 JSC_NATIVE_INTRINSIC_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->get, mapProtoFuncGet, static_cast<unsigned>(PropertyAttribute::DontEnum), 1, JSMapGetIntrinsic);
68 JSC_NATIVE_INTRINSIC_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->has, mapProtoFuncHas, static_cast<unsigned>(PropertyAttribute::DontEnum), 1, JSMapHasIntrinsic);
69 JSC_NATIVE_INTRINSIC_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->set, mapProtoFuncSet, static_cast<unsigned>(PropertyAttribute::DontEnum), 2, JSMapSetIntrinsic);
70
71 JSC_NATIVE_INTRINSIC_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().getPrivateName(), mapProtoFuncGet, static_cast<unsigned>(PropertyAttribute::DontEnum), 1, JSMapGetIntrinsic);
72 JSC_NATIVE_INTRINSIC_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().setPrivateName(), mapProtoFuncSet, static_cast<unsigned>(PropertyAttribute::DontEnum), 2, JSMapSetIntrinsic);
73
74 JSFunction* entries = JSFunction::create(vm, mapPrototypeEntriesCodeGenerator(vm), globalObject);
75 putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().entriesPublicName(), entries, static_cast<unsigned>(PropertyAttribute::DontEnum));
76 putDirectWithoutTransition(vm, vm.propertyNames->iteratorSymbol, entries, static_cast<unsigned>(PropertyAttribute::DontEnum));
77 putDirectWithoutTransition(vm, vm.propertyNames->toStringTagSymbol, jsString(&vm, "Map"), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
78
79 JSC_NATIVE_GETTER_WITHOUT_TRANSITION(vm.propertyNames->size, mapProtoFuncSize, PropertyAttribute::DontEnum | PropertyAttribute::Accessor);
80}
81
82ALWAYS_INLINE static JSMap* getMap(CallFrame* callFrame, JSValue thisValue)
83{
84 VM& vm = callFrame->vm();
85 auto scope = DECLARE_THROW_SCOPE(vm);
86
87 if (UNLIKELY(!thisValue.isCell())) {
88 throwVMError(callFrame, scope, createNotAnObjectError(callFrame, thisValue));
89 return nullptr;
90 }
91
92 auto* map = jsDynamicCast<JSMap*>(vm, thisValue.asCell());
93 if (LIKELY(map))
94 return map;
95 throwTypeError(callFrame, scope, "Map operation called on non-Map object"_s);
96 return nullptr;
97}
98
99EncodedJSValue JSC_HOST_CALL mapProtoFuncClear(CallFrame* callFrame)
100{
101 JSMap* map = getMap(callFrame, callFrame->thisValue());
102 if (!map)
103 return JSValue::encode(jsUndefined());
104 map->clear(callFrame);
105 return JSValue::encode(jsUndefined());
106}
107
108EncodedJSValue JSC_HOST_CALL mapProtoFuncDelete(CallFrame* callFrame)
109{
110 JSMap* map = getMap(callFrame, callFrame->thisValue());
111 if (!map)
112 return JSValue::encode(jsUndefined());
113 return JSValue::encode(jsBoolean(map->remove(callFrame, callFrame->argument(0))));
114}
115
116EncodedJSValue JSC_HOST_CALL mapProtoFuncGet(CallFrame* callFrame)
117{
118 JSMap* map = getMap(callFrame, callFrame->thisValue());
119 if (!map)
120 return JSValue::encode(jsUndefined());
121 return JSValue::encode(map->get(callFrame, callFrame->argument(0)));
122}
123
124EncodedJSValue JSC_HOST_CALL mapProtoFuncHas(CallFrame* callFrame)
125{
126 JSMap* map = getMap(callFrame, callFrame->thisValue());
127 if (!map)
128 return JSValue::encode(jsUndefined());
129 return JSValue::encode(jsBoolean(map->has(callFrame, callFrame->argument(0))));
130}
131
132EncodedJSValue JSC_HOST_CALL mapProtoFuncSet(CallFrame* callFrame)
133{
134 JSValue thisValue = callFrame->thisValue();
135 JSMap* map = getMap(callFrame, thisValue);
136 if (!map)
137 return JSValue::encode(jsUndefined());
138 map->set(callFrame, callFrame->argument(0), callFrame->argument(1));
139 return JSValue::encode(thisValue);
140}
141
142EncodedJSValue JSC_HOST_CALL mapProtoFuncSize(CallFrame* callFrame)
143{
144 JSMap* map = getMap(callFrame, callFrame->thisValue());
145 if (!map)
146 return JSValue::encode(jsUndefined());
147 return JSValue::encode(jsNumber(map->size()));
148}
149
150}
151