MapPrototype.cpp 6.59 KB
Newer Older
oliver@apple.com's avatar
oliver@apple.com committed
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
/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "MapPrototype.h"

#include "CachedCall.h"
#include "Error.h"
#include "ExceptionHelpers.h"
#include "GetterSetter.h"
#include "JSCJSValueInlines.h"
#include "JSFunctionInlines.h"
#include "JSMap.h"
#include "MapData.h"

namespace JSC {

const ClassInfo MapPrototype::s_info = { "Map", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(MapPrototype) };

static EncodedJSValue JSC_HOST_CALL mapProtoFuncClear(ExecState*);
static EncodedJSValue JSC_HOST_CALL mapProtoFuncDelete(ExecState*);
static EncodedJSValue JSC_HOST_CALL mapProtoFuncForEach(ExecState*);
static EncodedJSValue JSC_HOST_CALL mapProtoFuncGet(ExecState*);
static EncodedJSValue JSC_HOST_CALL mapProtoFuncHas(ExecState*);
static EncodedJSValue JSC_HOST_CALL mapProtoFuncSet(ExecState*);

static EncodedJSValue JSC_HOST_CALL mapProtoFuncSize(ExecState*);
    
51
void MapPrototype::finishCreation(VM& vm, JSGlobalObject* globalObject)
oliver@apple.com's avatar
oliver@apple.com committed
52 53 54 55 56 57 58 59 60 61 62 63
{
    Base::finishCreation(vm);
    ASSERT(inherits(info()));
    vm.prototypeMap.addPrototype(this);

    JSC_NATIVE_FUNCTION(vm.propertyNames->clear, mapProtoFuncClear, DontEnum, 0);
    JSC_NATIVE_FUNCTION(vm.propertyNames->deleteKeyword, mapProtoFuncDelete, DontEnum, 1);
    JSC_NATIVE_FUNCTION(vm.propertyNames->forEach, mapProtoFuncForEach, DontEnum, 1);
    JSC_NATIVE_FUNCTION(vm.propertyNames->get, mapProtoFuncGet, DontEnum, 1);
    JSC_NATIVE_FUNCTION(vm.propertyNames->has, mapProtoFuncHas, DontEnum, 1);
    JSC_NATIVE_FUNCTION(vm.propertyNames->set, mapProtoFuncSet, DontEnum, 2);

64
    GetterSetter* accessor = GetterSetter::create(vm);
65
    JSFunction* function = JSFunction::create(vm, globalObject, 0, vm.propertyNames->size.string(), mapProtoFuncSize);
66
    accessor->setGetter(vm, function);
67
    putDirectNonIndexAccessor(vm, vm.propertyNames->size, accessor, DontEnum | Accessor);
oliver@apple.com's avatar
oliver@apple.com committed
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
}

ALWAYS_INLINE static MapData* getMapData(CallFrame* callFrame, JSValue thisValue)
{
    if (!thisValue.isObject()) {
        throwVMError(callFrame, createNotAnObjectError(callFrame, thisValue));
        return 0;
    }
    JSMap* map = jsDynamicCast<JSMap*>(thisValue);
    if (!map) {
        throwTypeError(callFrame, ASCIILiteral("Map operation called on non-Map object"));
        return 0;
    }
    return map->mapData();
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncClear(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    data->clear();
    return JSValue::encode(jsUndefined());
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncDelete(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    return JSValue::encode(jsBoolean(data->remove(callFrame, callFrame->argument(0))));
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncForEach(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    JSValue callBack = callFrame->argument(0);
    CallData callData;
    CallType callType = getCallData(callBack, callData);
    if (callType == CallTypeNone)
        return JSValue::encode(throwTypeError(callFrame, WTF::ASCIILiteral("Map.prototype.forEach called without callback")));
    JSValue thisValue = callFrame->argument(1);
    VM* vm = &callFrame->vm();
    if (callType == CallTypeJS) {
        JSFunction* function = jsCast<JSFunction*>(callBack);
        CachedCall cachedCall(callFrame, function, 2);
        for (auto ptr = data->begin(), end = data->end(); ptr != end && !vm->exception(); ++ptr) {
            cachedCall.setThis(thisValue);
            cachedCall.setArgument(0, ptr.value());
            cachedCall.setArgument(1, ptr.key());
            cachedCall.call();
        }
    } else {
        for (auto ptr = data->begin(), end = data->end(); ptr != end && !vm->exception(); ++ptr) {
            MarkedArgumentBuffer args;
            args.append(ptr.value());
            args.append(ptr.key());
            JSC::call(callFrame, callBack, callType, callData, thisValue, args);
        }
    }
    return JSValue::encode(jsUndefined());
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncGet(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    JSValue result = data->get(callFrame, callFrame->argument(0));
    if (!result)
        result = jsUndefined();
    return JSValue::encode(result);
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncHas(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    return JSValue::encode(jsBoolean(data->contains(callFrame, callFrame->argument(0))));
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncSet(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    data->set(callFrame, callFrame->argument(0), callFrame->argument(1));
    return JSValue::encode(callFrame->thisValue());
}

EncodedJSValue JSC_HOST_CALL mapProtoFuncSize(CallFrame* callFrame)
{
    MapData* data = getMapData(callFrame, callFrame->thisValue());
    if (!data)
        return JSValue::encode(jsUndefined());
    return JSValue::encode(jsNumber(data->size(callFrame)));
}

}