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xsDataView.c
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xsDataView.c
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/*
* Copyright (c) 2016-2017 Moddable Tech, Inc.
*
* This file is part of the Moddable SDK Runtime.
*
* The Moddable SDK Runtime is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Moddable SDK Runtime is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Moddable SDK Runtime. If not, see <http://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright (C) 2010-2016 Marvell International Ltd.
* Copyright (C) 2002-2010 Kinoma, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "xsAll.h"
static txSlot* fxArgToInstance(txMachine* the, txInteger i);
static txBoolean fxCheckLength(txMachine* the, txSlot* slot, txInteger* index);
static txSlot* fxCheckArrayBufferDetached(txMachine* the, txSlot* slot, txBoolean mutable);
static txSlot* fxCheckArrayBufferInstance(txMachine* the, txSlot* slot);
static txSlot* fxNewArrayBufferInstance(txMachine* the);
static txSlot* fxCheckDataViewInstance(txMachine* the, txSlot* slot);
static txInteger fxCheckDataViewSize(txMachine* the, txSlot* view, txSlot* buffer, txBoolean mutable);
static txSlot* fxNewDataViewInstance(txMachine* the);
static void fxCallTypedArrayItem(txMachine* the, txSlot* function, txSlot* dispatch, txSlot* view, txSlot* data, txInteger index, txSlot* item);
static txSlot* fxCheckTypedArrayInstance(txMachine* the, txSlot* slot);
static txSlot* fxConstructTypedArray(txMachine* the);
static txSlot* fxNewTypedArrayInstance(txMachine* the, txTypeDispatch* dispatch, txTypeAtomics* atomics);
static void fxReduceTypedArrayItem(txMachine* the, txSlot* function, txSlot* dispatch, txSlot* view, txSlot* data, txInteger index);
static txBoolean fxTypedArrayDefineOwnProperty(txMachine* the, txSlot* instance, txID id, txIndex index, txSlot* slot, txFlag mask);
static txBoolean fxTypedArrayDeleteProperty(txMachine* the, txSlot* instance, txID id, txIndex index);
static txBoolean fxTypedArrayGetOwnProperty(txMachine* the, txSlot* instance, txID id, txIndex index, txSlot* slot);
static txSlot* fxTypedArrayGetProperty(txMachine* the, txSlot* instance, txID id, txIndex index, txFlag flag);
static txBoolean fxTypedArrayGetPropertyValue(txMachine* the, txSlot* instance, txID id, txIndex index, txSlot* value, txSlot* receiver);
static txBoolean fxTypedArrayHasProperty(txMachine* the, txSlot* instance, txID id, txIndex index);
static void fxTypedArrayOwnKeys(txMachine* the, txSlot* instance, txFlag flag, txSlot* keys);
static txSlot* fxTypedArraySetProperty(txMachine* the, txSlot* instance, txID id, txIndex index, txFlag flag);
static txBoolean fxTypedArraySetPropertyValue(txMachine* the, txSlot* instance, txID id, txIndex index, txSlot* value, txSlot* receiver);
static void fx_TypedArray_from_object(txMachine* the, txSlot* instance, txSlot* function, txSlot* _this);
const txBehavior ICACHE_FLASH_ATTR gxTypedArrayBehavior = {
fxTypedArrayGetProperty,
fxTypedArraySetProperty,
fxOrdinaryCall,
fxOrdinaryConstruct,
fxTypedArrayDefineOwnProperty,
fxTypedArrayDeleteProperty,
fxTypedArrayGetOwnProperty,
fxTypedArrayGetPropertyValue,
fxOrdinaryGetPrototype,
fxTypedArrayHasProperty,
fxOrdinaryIsExtensible,
fxTypedArrayOwnKeys,
fxOrdinaryPreventExtensions,
fxTypedArraySetPropertyValue,
fxOrdinarySetPrototype,
};
void *fxArrayBuffer(txMachine* the, txSlot* slot, void* data, txInteger byteLength, txInteger maxByteLength)
{
txSlot* instance;
txSlot* arrayBuffer;
txSlot* bufferInfo;
if (byteLength < 0)
mxRangeError("invalid byteLength %ld", byteLength);
mxPush(mxArrayBufferPrototype);
instance = fxNewArrayBufferInstance(the);
arrayBuffer = instance->next;
arrayBuffer->value.arrayBuffer.address = fxNewChunk(the, byteLength);
bufferInfo = arrayBuffer->next;
bufferInfo->value.bufferInfo.length = byteLength;
bufferInfo->value.bufferInfo.maxLength = maxByteLength;
if (data != NULL)
c_memcpy(arrayBuffer->value.arrayBuffer.address, data, byteLength);
else
c_memset(arrayBuffer->value.arrayBuffer.address, 0, byteLength);
mxPullSlot(slot);
return arrayBuffer->value.arrayBuffer.address;
}
void fxGetArrayBufferData(txMachine* the, txSlot* slot, txInteger byteOffset, void* data, txInteger byteLength)
{
txSlot* instance = fxCheckArrayBufferInstance(the, slot);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
txInteger length = bufferInfo->value.bufferInfo.length;
if ((byteOffset < 0) || (length < byteOffset))
mxRangeError("out of range byteOffset %ld", byteOffset);
if ((byteLength < 0) || (length < (byteOffset + byteLength)))
mxRangeError("out of range byteLength %ld", byteLength);
c_memcpy(data, arrayBuffer->value.arrayBuffer.address + byteOffset, byteLength);
}
txInteger fxGetArrayBufferLength(txMachine* the, txSlot* slot)
{
txSlot* instance = fxCheckArrayBufferInstance(the, slot);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
return bufferInfo->value.bufferInfo.length;
}
txInteger fxGetArrayBufferMaxLength(txMachine* the, txSlot* slot)
{
txSlot* instance = fxCheckArrayBufferInstance(the, slot);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
return bufferInfo->value.bufferInfo.maxLength;
}
void fxSetArrayBufferData(txMachine* the, txSlot* slot, txInteger byteOffset, void* data, txInteger byteLength)
{
txSlot* instance = fxCheckArrayBufferInstance(the, slot);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
txInteger length = bufferInfo->value.bufferInfo.length;
if ((byteOffset < 0) || (length < byteOffset))
mxRangeError("out of range byteOffset %ld", byteOffset);
if ((byteLength < 0) || (length < (byteOffset + byteLength)))
mxRangeError("out of range byteLength %ld", byteLength);
c_memcpy(arrayBuffer->value.arrayBuffer.address + byteOffset, data, byteLength);
}
void fxSetArrayBufferLength(txMachine* the, txSlot* slot, txInteger target)
{
txSlot* instance = fxCheckArrayBufferInstance(the, slot);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
txInteger length = bufferInfo->value.bufferInfo.length;
txByte* address = arrayBuffer->value.arrayBuffer.address;
if (bufferInfo->value.bufferInfo.maxLength < 0)
fxReport(the, "# Use xsArrayBufferResizable instead of xsArrayBuffer\n");
if (length != target) {
if (address)
address = (txByte*)fxRenewChunk(the, address, target);
if (address) {
if (length < target)
c_memset(address + length, 0, target - length);
}
else {
address = (txByte*)fxNewChunk(the, target);
if (length < target) {
c_memcpy(address, arrayBuffer->value.arrayBuffer.address, length);
c_memset(address + length, 0, target - length);
}
else
c_memcpy(address, arrayBuffer->value.arrayBuffer.address, target);
}
arrayBuffer->value.arrayBuffer.address = address;
bufferInfo->value.bufferInfo.length = target;
}
}
void* fxToArrayBuffer(txMachine* the, txSlot* slot)
{
txSlot* instance = fxCheckArrayBufferInstance(the, slot);
txSlot* arrayBuffer = instance->next;
return arrayBuffer->value.arrayBuffer.address;
}
void fxBuildDataView(txMachine* the)
{
txSlot* instance;
txSlot* slot;
txInteger index;
const txTypeDispatch *dispatch;
const txTypeAtomics *atomics;
txSlot* property;
txSlot* constructor;
mxPush(mxObjectPrototype);
slot = fxLastProperty(the, fxNewObjectInstance(the));
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_get_byteLength), C_NULL, mxID(_byteLength), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_get_detached), C_NULL, mxID(_detached), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_get_maxByteLength), C_NULL, mxID(_maxByteLength), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_get_resizable), C_NULL, mxID(_resizable), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_concat), 1, mxID(_concat), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_resize), 1, mxID(_resize), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_slice), 2, mxID(_slice), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_prototype_transfer), 0, mxID(_transfer), XS_DONT_ENUM_FLAG);
slot = fxNextStringXProperty(the, slot, "ArrayBuffer", mxID(_Symbol_toStringTag), XS_DONT_ENUM_FLAG | XS_DONT_SET_FLAG);
mxArrayBufferPrototype = *the->stack;
slot = fxBuildHostConstructor(the, mxCallback(fx_ArrayBuffer), 1, mxID(_ArrayBuffer));
mxArrayBufferConstructor = *the->stack;
slot = fxLastProperty(the, slot);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_fromBigInt), 1, mxID(_fromBigInt), XS_DONT_ENUM_FLAG);
#ifndef mxCESU8
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_fromString), 1, mxID(_fromString), XS_DONT_ENUM_FLAG);
#endif
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_ArrayBuffer_isView), 1, mxID(_isView), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_species_get), C_NULL, mxID(_Symbol_species), XS_DONT_ENUM_FLAG);
mxPop();
mxPush(mxObjectPrototype);
slot = fxLastProperty(the, fxNewObjectInstance(the));
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getBigInt64), 1, mxID(_getBigInt64), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setBigInt64), 2, mxID(_setBigInt64), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getBigUint64), 1, mxID(_getBigUint64), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setBigUint64), 2, mxID(_setBigUint64), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getFloat32), 1, mxID(_getFloat32), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setFloat32), 2, mxID(_setFloat32), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getFloat64), 1, mxID(_getFloat64), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setFloat64), 2, mxID(_setFloat64), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getInt8), 1, mxID(_getInt8), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setInt8), 2, mxID(_setInt8), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getInt16), 1, mxID(_getInt16), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setInt16), 2, mxID(_setInt16), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getInt32), 1, mxID(_getInt32), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setInt32), 2, mxID(_setInt32), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getUint8), 1, mxID(_getUint8), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setUint8), 2, mxID(_setUint8), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getUint16), 1, mxID(_getUint16), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setUint16), 2, mxID(_setUint16), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_getUint32), 1, mxID(_getUint32), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_DataView_prototype_setUint32), 2, mxID(_setUint32), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_DataView_prototype_buffer_get), C_NULL, mxID(_buffer), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_DataView_prototype_byteLength_get), C_NULL, mxID(_byteLength), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_DataView_prototype_byteOffset_get), C_NULL, mxID(_byteOffset), XS_DONT_ENUM_FLAG);
slot = fxNextStringXProperty(the, slot, "DataView", mxID(_Symbol_toStringTag), XS_DONT_ENUM_FLAG | XS_DONT_SET_FLAG);
mxDataViewPrototype = *the->stack;
slot = fxBuildHostConstructor(the, mxCallback(fx_DataView), 1, mxID(_DataView));
mxDataViewConstructor = *the->stack;
mxPop();
mxPush(mxObjectPrototype);
instance = fxNewObjectInstance(the);
fxNewHostFunction(the, mxCallback(fxTypedArrayGetter), 0, XS_NO_ID, XS_NO_ID);
property = mxFunctionInstanceHome(the->stack->value.reference);
property->value.home.object = instance;
fxNewHostFunction(the, mxCallback(fxTypedArraySetter), 1, XS_NO_ID, XS_NO_ID);
property = mxFunctionInstanceHome(the->stack->value.reference);
property->value.home.object = instance;
mxPushUndefined();
the->stack->flag = XS_DONT_DELETE_FLAG;
the->stack->kind = XS_ACCESSOR_KIND;
the->stack->value.accessor.getter = (the->stack + 2)->value.reference;
the->stack->value.accessor.setter = (the->stack + 1)->value.reference;
mxPull(mxTypedArrayAccessor);
mxPop();
mxPop();
slot = fxLastProperty(the, instance);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_at), 1, mxID(_at), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_TypedArray_prototype_buffer_get), C_NULL, mxID(_buffer), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_TypedArray_prototype_byteLength_get), C_NULL, mxID(_byteLength), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_TypedArray_prototype_byteOffset_get), C_NULL, mxID(_byteOffset), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_TypedArray_prototype_length_get), C_NULL, mxID(_length), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_TypedArray_prototype_toStringTag_get), C_NULL, mxID(_Symbol_toStringTag), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_copyWithin), 2, mxID(_copyWithin), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_entries), 0, mxID(_entries), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_every), 1, mxID(_every), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_fill), 1, mxID(_fill), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_filter), 1, mxID(_filter), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_find), 1, mxID(_find), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_findIndex), 1, mxID(_findIndex), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_findLast), 1, mxID(_findLast), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_findLastIndex), 1, mxID(_findLastIndex), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_forEach), 1, mxID(_forEach), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_includes), 1, mxID(_includes), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_indexOf), 1, mxID(_indexOf), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_join), 1, mxID(_join), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_keys), 0, mxID(_keys), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_lastIndexOf), 1, mxID(_lastIndexOf), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_map), 1, mxID(_map), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_reduce), 1, mxID(_reduce), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_reduceRight), 1, mxID(_reduceRight), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_reverse), 0, mxID(_reverse), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_set), 1, mxID(_set), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_slice), 2, mxID(_slice), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_some), 1, mxID(_some), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_sort), 1, mxID(_sort), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_subarray), 2, mxID(_subarray), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_toLocaleString), 0, mxID(_toLocaleString), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_toReversed), 0, mxID(_toReversed), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_toSorted), 1, mxID(_toSorted), XS_DONT_ENUM_FLAG);
property = mxBehaviorGetProperty(the, mxArrayPrototype.value.reference, mxID(_toString), 0, XS_OWN);
slot = fxNextSlotProperty(the, slot, property, mxID(_toString), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_with), 2, mxID(_with), XS_DONT_ENUM_FLAG);
property = slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_prototype_values), 0, mxID(_values), XS_DONT_ENUM_FLAG);
slot = fxNextSlotProperty(the, slot, property, mxID(_Symbol_iterator), XS_DONT_ENUM_FLAG);
mxTypedArrayPrototype = *the->stack;
constructor = fxBuildHostConstructor(the, mxCallback(fx_TypedArray), 0, mxID(_TypedArray));
mxTypedArrayConstructor = *the->stack;
slot = fxLastProperty(the, constructor);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_from), 1, mxID(_from), XS_DONT_ENUM_FLAG);
slot = fxNextHostFunctionProperty(the, slot, mxCallback(fx_TypedArray_of), 0, mxID(_of), XS_DONT_ENUM_FLAG);
slot = fxNextHostAccessorProperty(the, slot, mxCallback(fx_species_get), C_NULL, mxID(_Symbol_species), XS_DONT_ENUM_FLAG);
for (index = 0, dispatch = &gxTypeDispatches[0], atomics = &gxTypeAtomics[0]; index < mxTypeArrayCount; index++, dispatch++, atomics++) {
mxPush(mxTypedArrayPrototype);
slot = fxLastProperty(the, fxNewObjectInstance(the));
slot = fxNextIntegerProperty(the, slot, dispatch->size, mxID(_BYTES_PER_ELEMENT), XS_GET_ONLY);
slot = fxBuildHostConstructor(the, mxCallback(fx_TypedArray), 3, mxID(dispatch->constructorID));
the->stackPrototypes[-1 - (txInteger)dispatch->constructorID] = *the->stack; //@@
slot->value.instance.prototype = constructor;
property = mxFunctionInstanceHome(slot);
slot = property->next;
property = fxNextTypeDispatchProperty(the, property, (txTypeDispatch*)dispatch, (txTypeAtomics*)atomics, XS_NO_ID, XS_INTERNAL_FLAG);
property->next = slot;
slot = fxLastProperty(the, slot);
slot = fxNextIntegerProperty(the, slot, dispatch->size, mxID(_BYTES_PER_ELEMENT), XS_GET_ONLY);
mxPop();
}
mxPop();
}
txInteger fxArgToByteLength(txMachine* the, txInteger argi, txInteger length)
{
txSlot *arg = mxArgv(argi);
if ((mxArgc > argi) && (arg->kind != XS_UNDEFINED_KIND)) {
txNumber value;
if (XS_INTEGER_KIND == arg->kind) {
txInteger value = arg->value.integer;
if (value < 0)
mxRangeError("out of range byteLength");
return value;
}
value = c_trunc(fxToNumber(the, arg));
if (c_isnan(value))
return 0;
if ((value < 0) || (0x7FFFFFFF < value))
mxRangeError("out of range byteLength");
return (txInteger)value;
}
return length;
}
txSlot* fxArgToInstance(txMachine* the, txInteger i)
{
if (mxArgc > i)
return fxToInstance(the, mxArgv(i));
mxTypeError("Cannot coerce undefined to object");
return C_NULL;
}
txBoolean fxCheckLength(txMachine* the, txSlot* slot, txInteger* index)
{
txNumber number = fxToNumber(the, slot);
txNumber check = c_trunc(number);
if ((number == check) && (0 <= number) && (number <= 0x7FFFFFFF)) {
*index = (txInteger)number;
return 1 ;
}
return 0;
}
txSlot* fxCheckArrayBufferDetached(txMachine* the, txSlot* slot, txBoolean mutable)
{
slot = slot->value.reference->next;
if (slot->value.arrayBuffer.address == C_NULL)
mxTypeError("detached buffer");
if (mutable && (slot->flag & XS_DONT_SET_FLAG))
mxTypeError("ArrayBuffer instance is read-only");
return slot;
}
txSlot* fxCheckArrayBufferInstance(txMachine* the, txSlot* slot)
{
if (slot->kind == XS_REFERENCE_KIND) {
txSlot* instance = slot->value.reference;
if (((slot = instance->next)) && (slot->flag & XS_INTERNAL_FLAG) && (slot->kind == XS_ARRAY_BUFFER_KIND))
return instance;
}
mxTypeError("this is no ArrayBuffer instance");
return C_NULL;
}
void fxConstructArrayBufferResult(txMachine* the, txSlot* constructor, txInteger length)
{
txSlot* instance;
if (constructor)
mxPushSlot(constructor);
else {
mxPushSlot(mxThis);
mxGetID(mxID(_constructor));
}
fxToSpeciesConstructor(the, &mxArrayBufferConstructor);
mxNew();
mxPushInteger(length);
mxRunCount(1);
if (the->stack->kind != XS_REFERENCE_KIND)
mxTypeError("no instance");
instance = the->stack->value.reference;
if (!(instance->next) || (instance->next->kind != XS_ARRAY_BUFFER_KIND))
mxTypeError("no ArrayBuffer instance");
if (!constructor && (mxThis->value.reference == instance))
mxTypeError("same ArrayBuffer instance");
if (instance->next->next->value.bufferInfo.length < length)
mxTypeError("smaller ArrayBuffer instance");
mxPullSlot(mxResult);
}
txSlot* fxNewArrayBufferInstance(txMachine* the)
{
txSlot* instance;
txSlot* property;
instance = fxNewObjectInstance(the);
property = instance->next = fxNewSlot(the);
property->flag = XS_INTERNAL_FLAG;
property->kind = XS_ARRAY_BUFFER_KIND;
property->value.arrayBuffer.address = C_NULL;
property->value.arrayBuffer.detachKey = C_NULL;
property = property->next = fxNewSlot(the);
property->flag = XS_INTERNAL_FLAG;
property->kind = XS_BUFFER_INFO_KIND;
property->value.bufferInfo.length = 0;
property->value.bufferInfo.maxLength = -1;
return instance;
}
void fx_ArrayBuffer(txMachine* the)
{
txSlot* instance;
txInteger byteLength;
txInteger maxByteLength = -1;
txSlot* property;
if (mxIsUndefined(mxTarget))
mxTypeError("call: ArrayBuffer");
mxPushSlot(mxTarget);
fxGetPrototypeFromConstructor(the, &mxArrayBufferPrototype);
instance = fxNewArrayBufferInstance(the);
mxPullSlot(mxResult);
byteLength = fxArgToByteLength(the, 0, 0);
if ((mxArgc > 1) && mxIsReference(mxArgv(1))) {
mxPushSlot(mxArgv(1));
mxGetID(mxID(_maxByteLength));
mxPullSlot(mxArgv(1));
maxByteLength = fxArgToByteLength(the, 1, -1);
}
if (maxByteLength >= 0) {
if (byteLength > maxByteLength)
mxRangeError("byteLength > maxByteLength");
}
property = instance->next;
property->value.arrayBuffer.address = fxNewChunk(the, byteLength);
c_memset(property->value.arrayBuffer.address, 0, byteLength);
property = property->next;
property->value.bufferInfo.length = byteLength;
property->value.bufferInfo.maxLength = maxByteLength;
}
void fx_ArrayBuffer_fromBigInt(txMachine* the)
{
txU4 minBytes = 0;
txBoolean sign = 0;
int endian = EndianBig;
if (mxArgc < 1)
mxTypeError("no argument");
if (mxArgc > 1) {
txInteger m = fxToInteger(the, mxArgv(1));
if (m < 0)
mxRangeError("minBytes < 0");
minBytes = (txU4)m;
}
if ((mxArgc > 2) && fxToBoolean(the, mxArgv(2)))
sign = 1;
if ((mxArgc > 3) && fxToBoolean(the, mxArgv(3)))
endian = EndianLittle;
if (gxTypeBigInt.toArrayBuffer) {
gxTypeBigInt.toArrayBuffer(the, mxArgv(0), minBytes, sign, endian);
}
else {
mxUnknownError("not built-in");
}
}
#ifndef mxCESU8
void fx_ArrayBuffer_fromString(txMachine* the)
{
txSize length = 0;
if (mxArgc < 1)
mxTypeError("no argument");
txString c = mxArgv(0)->value.string;
txInteger nulls = 0;
while (1) {
uint8_t b = (uint8_t)c_read8(c++);
if (!b) break;
length += 1;
if ((0xc0 == b) && (0x80 == (uint8_t)c_read8(c)))
nulls += 1;
}
fxConstructArrayBufferResult(the, mxThis, length - nulls);
if (!nulls)
c_memcpy(mxResult->value.reference->next->value.arrayBuffer.address, mxArgv(0)->value.string, length);
else {
txString c = mxArgv(0)->value.string, end = c + length;
txByte *out = mxResult->value.reference->next->value.arrayBuffer.address;
while (c < end) {
uint8_t b = (uint8_t)c_read8(c++);
if ((0xc0 == (uint8_t)b) && (0x80 == (uint8_t)c_read8(c))) {
b = 0;
c += 1;
}
*out++ = b;
}
}
}
#endif
void fx_ArrayBuffer_isView(txMachine* the)
{
txSlot* slot;
mxResult->kind = XS_BOOLEAN_KIND;
mxResult->value.boolean = 0;
if (mxArgc > 0) {
slot = mxArgv(0);
if (slot->kind == XS_REFERENCE_KIND) {
slot = slot->value.reference;
if (slot->next) {
slot = slot->next;
if ((slot->kind == XS_DATA_VIEW_KIND) || (slot->kind == XS_TYPED_ARRAY_KIND)) {
mxResult->value.boolean = 1;
}
}
}
}
}
void fx_ArrayBuffer_prototype_get_byteLength(txMachine* the)
{
txSlot* instance = fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
mxResult->kind = XS_INTEGER_KIND;
if (arrayBuffer->value.arrayBuffer.address == C_NULL)
mxResult->value.integer = 0;
else
mxResult->value.integer = bufferInfo->value.bufferInfo.length;
}
void fx_ArrayBuffer_prototype_get_detached(txMachine* the)
{
txSlot* instance = fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = instance->next;
mxResult->kind = XS_BOOLEAN_KIND;
mxResult->value.boolean = (arrayBuffer->value.arrayBuffer.address == C_NULL) ? 1 : 0;
}
void fx_ArrayBuffer_prototype_get_maxByteLength(txMachine* the)
{
txSlot* instance = fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
mxResult->kind = XS_INTEGER_KIND;
if (arrayBuffer->value.arrayBuffer.address == C_NULL)
mxResult->value.integer = 0;
else if (bufferInfo->value.bufferInfo.maxLength >= 0)
mxResult->value.integer = bufferInfo->value.bufferInfo.maxLength;
else
mxResult->value.integer = bufferInfo->value.bufferInfo.length;
}
void fx_ArrayBuffer_prototype_get_resizable(txMachine* the)
{
txSlot* instance = fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
mxResult->kind = XS_BOOLEAN_KIND;
mxResult->value.boolean = (bufferInfo->value.bufferInfo.maxLength >= 0) ? 1 : 0;
}
void fx_ArrayBuffer_prototype_concat(txMachine* the)
{
txSlot* instance = fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = instance->next;
txSlot* bufferInfo = arrayBuffer->next;
txInteger length = bufferInfo->value.bufferInfo.length;
txInteger c = mxArgc, i = 0;
txByte* address;
txSlot* slot;
while (i < c) {
arrayBuffer = C_NULL;
bufferInfo = C_NULL;
slot = mxArgv(i);
if (slot->kind == XS_REFERENCE_KIND) {
slot = slot->value.reference->next;
if (slot && (slot->kind == XS_ARRAY_BUFFER_KIND)) {
arrayBuffer = slot;
bufferInfo = slot->next;
}
}
if (arrayBuffer)
length = fxAddChunkSizes(the, length, bufferInfo->value.bufferInfo.length);
else
mxTypeError("arguments[%ld] is no ArrayBuffer instance", i);
i++;
}
fxConstructArrayBufferResult(the, C_NULL, length);
arrayBuffer = instance->next;
bufferInfo = arrayBuffer->next;
address = mxResult->value.reference->next->value.arrayBuffer.address;
length = bufferInfo->value.bufferInfo.length;
c_memcpy(address, arrayBuffer->value.arrayBuffer.address, length);
address += length;
i = 0;
while (i < c) {
arrayBuffer = mxArgv(i)->value.reference->next;
bufferInfo = arrayBuffer->next;
length = bufferInfo->value.bufferInfo.length;
c_memcpy(address, arrayBuffer->value.arrayBuffer.address, length);
address += length;
i++;
}
}
void fx_ArrayBuffer_prototype_resize(txMachine* the)
{
/* txSlot* instance = */ fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = fxCheckArrayBufferDetached(the, mxThis, XS_MUTABLE);
txSlot* bufferInfo = arrayBuffer->next;
txInteger maxByteLength, oldByteLength, newByteLength;
txByte* chunk;
maxByteLength = bufferInfo->value.bufferInfo.maxLength;
if (maxByteLength < 0)
mxTypeError("not resizable");
oldByteLength = bufferInfo->value.bufferInfo.length;
newByteLength = fxArgToByteLength(the, 0, 0);
if (newByteLength > maxByteLength)
mxRangeError("newLength > maxByteLength");
arrayBuffer = fxCheckArrayBufferDetached(the, mxThis, XS_MUTABLE);
chunk = (txByte*)fxRenewChunk(the, arrayBuffer->value.arrayBuffer.address, newByteLength);
if (!chunk) {
chunk = (txByte*)fxNewChunk(the, newByteLength);
c_memcpy(chunk, arrayBuffer->value.arrayBuffer.address, (newByteLength < oldByteLength) ? newByteLength : oldByteLength);
}
if (newByteLength > oldByteLength)
c_memset(chunk + oldByteLength, 0, newByteLength - oldByteLength);
arrayBuffer->value.arrayBuffer.address = chunk;
bufferInfo->value.bufferInfo.length = newByteLength;
}
void fx_ArrayBuffer_prototype_slice(txMachine* the)
{
/* txSlot* instance = */ fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = fxCheckArrayBufferDetached(the, mxThis, XS_IMMUTABLE);
txSlot* bufferInfo = arrayBuffer->next;
txInteger length = bufferInfo->value.bufferInfo.length;
txInteger start = (txInteger)fxArgToIndex(the, 0, 0, length);
txInteger stop = (txInteger)fxArgToIndex(the, 1, length, length);
txSlot* resultBuffer;
if (stop < start)
stop = start;
fxConstructArrayBufferResult(the, C_NULL, stop - start);
resultBuffer = fxCheckArrayBufferDetached(the, mxResult, XS_MUTABLE);
arrayBuffer = fxCheckArrayBufferDetached(the, mxThis, XS_IMMUTABLE);
bufferInfo = arrayBuffer->next;
if (bufferInfo->value.bufferInfo.length < stop)
mxTypeError("resized this");
c_memcpy(resultBuffer->value.arrayBuffer.address, arrayBuffer->value.arrayBuffer.address + start, stop - start);
}
void fx_ArrayBuffer_prototype_transfer(txMachine* the)
{
/* txSlot* instance = */ fxCheckArrayBufferInstance(the, mxThis);
txSlot* arrayBuffer = fxCheckArrayBufferDetached(the, mxThis, XS_MUTABLE);
txSlot* bufferInfo = arrayBuffer->next;
txInteger oldByteLength = bufferInfo->value.bufferInfo.length;
txInteger maxByteLength = bufferInfo->value.bufferInfo.maxLength;
txInteger newByteLength = fxArgToByteLength(the, 0, oldByteLength);
txSlot* resultBuffer;
if ((maxByteLength >= 0) && (newByteLength > maxByteLength))
mxRangeError("newLength > maxByteLength");
fxConstructArrayBufferResult(the, C_NULL, newByteLength);
resultBuffer = fxCheckArrayBufferDetached(the, mxResult, XS_MUTABLE);
arrayBuffer = fxCheckArrayBufferDetached(the, mxThis, XS_MUTABLE);
c_memcpy(resultBuffer->value.arrayBuffer.address, arrayBuffer->value.arrayBuffer.address, (newByteLength < oldByteLength) ? newByteLength : oldByteLength);
if (newByteLength > oldByteLength)
c_memset(resultBuffer->value.arrayBuffer.address + oldByteLength, 0, newByteLength - oldByteLength);
arrayBuffer->value.arrayBuffer.address = C_NULL;
bufferInfo->value.bufferInfo.length = 0;
resultBuffer->next->value.bufferInfo.maxLength = maxByteLength;
}
txSlot* fxCheckDataViewInstance(txMachine* the, txSlot* slot)
{
if (slot->kind == XS_REFERENCE_KIND) {
txSlot* instance = slot->value.reference;
if (((slot = instance->next)) && (slot->flag & XS_INTERNAL_FLAG) && (slot->kind == XS_DATA_VIEW_KIND))
return instance;
}
mxTypeError("this is no DataView instance");
return C_NULL;
}
txInteger fxCheckDataViewSize(txMachine* the, txSlot* view, txSlot* buffer, txBoolean mutable)
{
txInteger size = view->value.dataView.size;
txSlot* arrayBuffer = buffer->value.reference->next;
txSlot* bufferInfo = arrayBuffer->next;
if (arrayBuffer->value.arrayBuffer.address == C_NULL)
mxTypeError("detached buffer");
if (mutable && (arrayBuffer->flag & XS_DONT_SET_FLAG))
mxTypeError("read-only buffer");
if (bufferInfo->value.bufferInfo.maxLength >= 0) {
txInteger offset = view->value.dataView.offset;
txInteger byteLength = bufferInfo->value.bufferInfo.length;
if (offset > byteLength)
mxTypeError("out of bounds view");
else if (size < 0)
size = byteLength - offset;
else if (offset + size > byteLength)
mxTypeError("out of bounds view");
}
return size;
}
txSlot* fxGetBufferInfo(txMachine* the, txSlot* buffer)
{
txSlot* arrayBuffer = buffer->value.reference->next;
txSlot* bufferInfo = arrayBuffer->next;
if (arrayBuffer->kind == XS_ARRAY_BUFFER_KIND) {
if (arrayBuffer->value.arrayBuffer.address == C_NULL)
mxTypeError("detached buffer");
return bufferInfo;
}
if (arrayBuffer->kind == XS_HOST_KIND) {
txInteger byteLength;
if (bufferInfo && (bufferInfo->kind == XS_BUFFER_INFO_KIND))
return bufferInfo;
mxPushSlot(buffer);
mxGetID(mxID(_byteLength));
if (!fxCheckLength(the, the->stack, &byteLength))
mxTypeError("invalid byteLength");
fxReport(the, "# Use xsSetHostBuffer instead of xsSetHostData\n");
mxPop();
bufferInfo = fxNewSlot(the);
bufferInfo->next = arrayBuffer->next;
bufferInfo->flag = XS_INTERNAL_FLAG;
bufferInfo->kind = XS_BUFFER_INFO_KIND;
bufferInfo->value.bufferInfo.length = byteLength;
bufferInfo->value.bufferInfo.maxLength = -1;
arrayBuffer->next = bufferInfo;
return bufferInfo;
}
mxTypeError("invalid buffer");
return C_NULL;
}
txInteger fxGetDataViewSize(txMachine* the, txSlot* view, txSlot* buffer)
{
txInteger size = view->value.dataView.size;
txSlot* arrayBuffer = buffer->value.reference->next;
txSlot* bufferInfo = arrayBuffer->next;
if (arrayBuffer->value.arrayBuffer.address == C_NULL)
return 0;
if (bufferInfo->value.bufferInfo.maxLength >= 0) {
txInteger offset = view->value.dataView.offset;
txInteger byteLength = bufferInfo->value.bufferInfo.length;
if (offset > byteLength)
size = 0;
else if (size < 0)
size = byteLength - offset;
else if (offset + size > byteLength)
size = 0;
}
return size;
}
txSlot* fxNewDataViewInstance(txMachine* the)
{
txSlot* instance;
txSlot* property;
instance = fxNewObjectInstance(the);
property = instance->next = fxNewSlot(the);
property->flag = XS_INTERNAL_FLAG;
property->kind = XS_DATA_VIEW_KIND;
property->value.dataView.offset = 0;
property->value.dataView.size = 0;
property = fxNextNullProperty(the, property, XS_NO_ID, XS_INTERNAL_FLAG);
return instance;
}
void fx_DataView(txMachine* the)
{
txSlot* slot;
txBoolean flag = 0;
txInteger offset, size;
txSlot* info;
txSlot* instance;
txSlot* view;
txSlot* buffer;
if (mxIsUndefined(mxTarget))
mxTypeError("call: DataView");
if ((mxArgc > 0) && (mxArgv(0)->kind == XS_REFERENCE_KIND)) {
slot = mxArgv(0)->value.reference->next;
if (slot && ((slot->kind == XS_ARRAY_BUFFER_KIND) || (slot->kind == XS_HOST_KIND))) {
flag = 1;
}
}
if (!flag)
mxTypeError("buffer is no ArrayBuffer instance");
offset = fxArgToByteLength(the, 1, 0);
info = fxGetBufferInfo(the, mxArgv(0));
if (info->value.bufferInfo.length < offset)
mxRangeError("out of range byteOffset %ld", offset);
size = fxArgToByteLength(the, 2, -1);
if (size >= 0) {
txInteger end = offset + size;
if ((info->value.bufferInfo.length < end) || (end < offset))
mxRangeError("out of range byteLength %ld", size);
}
else {
if (info->value.bufferInfo.maxLength < 0)
size = info->value.bufferInfo.length - offset;
}
mxPushSlot(mxTarget);
fxGetPrototypeFromConstructor(the, &mxDataViewPrototype);
instance = fxNewDataViewInstance(the);
mxPullSlot(mxResult);
view = instance->next;
buffer = view->next;
buffer->kind = XS_REFERENCE_KIND;
buffer->value.reference = mxArgv(0)->value.reference;
info = fxGetBufferInfo(the, buffer);
if (info->value.bufferInfo.maxLength >= 0) {
if (info->value.bufferInfo.length < offset)
mxRangeError("out of range byteOffset %ld", offset);
else if (size >= 0) {
txInteger end = offset + size;
if ((info->value.bufferInfo.length < end) || (end < offset))
mxRangeError("out of range byteLength %ld", size);
}
}
view->value.dataView.offset = offset;
view->value.dataView.size = size;
}
void fx_DataView_prototype_buffer_get(txMachine* the)
{
txSlot* instance = fxCheckDataViewInstance(the, mxThis);
txSlot* view = instance->next;
txSlot* buffer = view->next;
mxResult->kind = buffer->kind;
mxResult->value = buffer->value;
}
void fx_DataView_prototype_byteLength_get(txMachine* the)
{
txSlot* instance = fxCheckDataViewInstance(the, mxThis);
txSlot* view = instance->next;
txSlot* buffer = view->next;
txInteger size = fxCheckDataViewSize(the, view, buffer, XS_IMMUTABLE);
mxResult->kind = XS_INTEGER_KIND;
mxResult->value.integer = size;
}
void fx_DataView_prototype_byteOffset_get(txMachine* the)
{
txSlot* instance = fxCheckDataViewInstance(the, mxThis);
txSlot* view = instance->next;
txSlot* buffer = view->next;
fxCheckDataViewSize(the, view, buffer, XS_IMMUTABLE);
mxResult->kind = XS_INTEGER_KIND;
mxResult->value.integer = view->value.dataView.offset;
}
void fx_DataView_prototype_get(txMachine* the, txNumber delta, txTypeCallback getter)
{
txSlot* instance = fxCheckDataViewInstance(the, mxThis);
txSlot* view = instance->next;
txSlot* buffer = view->next;
txInteger offset = fxArgToByteLength(the, 0, 0);
txInteger size;
int endian = EndianBig;
if ((mxArgc > 1) && fxToBoolean(the, mxArgv(1)))
endian = EndianLittle;
size = fxCheckDataViewSize(the, view, buffer, XS_IMMUTABLE);
if ((size < delta) || ((size - delta) < offset))
mxRangeError("out of range byteOffset");
offset += view->value.dataView.offset;
(*getter)(the, buffer->value.reference->next, offset, mxResult, endian);
}
void fx_DataView_prototype_getBigInt64(txMachine* the)
{
fx_DataView_prototype_get(the, 8, fxBigInt64Getter);
}
void fx_DataView_prototype_getBigUint64(txMachine* the)
{
fx_DataView_prototype_get(the, 8, fxBigUint64Getter);
}
void fx_DataView_prototype_getFloat32(txMachine* the)
{
fx_DataView_prototype_get(the, 4, fxFloat32Getter);
}
void fx_DataView_prototype_getFloat64(txMachine* the)
{
fx_DataView_prototype_get(the, 8, fxFloat64Getter);
}
void fx_DataView_prototype_getInt8(txMachine* the)
{
fx_DataView_prototype_get(the, 1, fxInt8Getter);
}
void fx_DataView_prototype_getInt16(txMachine* the)
{
fx_DataView_prototype_get(the, 2, fxInt16Getter);
}
void fx_DataView_prototype_getInt32(txMachine* the)
{
fx_DataView_prototype_get(the, 4, fxInt32Getter);
}
void fx_DataView_prototype_getUint8(txMachine* the)
{
fx_DataView_prototype_get(the, 1, fxUint8Getter);
}
void fx_DataView_prototype_getUint16(txMachine* the)
{
fx_DataView_prototype_get(the, 2, fxUint16Getter);
}
void fx_DataView_prototype_getUint32(txMachine* the)
{
fx_DataView_prototype_get(the, 4, fxUint32Getter);
}
void fx_DataView_prototype_set(txMachine* the, txNumber delta, txTypeCoerce coercer, txTypeCallback setter)
{
txSlot* instance = fxCheckDataViewInstance(the, mxThis);
txSlot* view = instance->next;
txSlot* buffer = view->next;
txInteger offset = fxArgToByteLength(the, 0, 0);
txInteger size;
int endian = EndianBig;
txSlot* value;
if (mxArgc > 1)
mxPushSlot(mxArgv(1));
else
mxPushUndefined();
value = the->stack;
(*coercer)(the, value);
if ((mxArgc > 2) && fxToBoolean(the, mxArgv(2)))
endian = EndianLittle;
size = fxCheckDataViewSize(the, view, buffer, XS_MUTABLE);
if ((size < delta) || ((size - delta) < offset))
mxRangeError("out of range byteOffset");
offset += view->value.dataView.offset;
(*setter)(the, buffer->value.reference->next, offset, value, endian);
mxPop();
}
void fx_DataView_prototype_setBigInt64(txMachine* the)
{
fx_DataView_prototype_set(the, 8, fxBigIntCoerce, fxBigInt64Setter);
}
void fx_DataView_prototype_setBigUint64(txMachine* the)
{
fx_DataView_prototype_set(the, 8, fxBigIntCoerce, fxBigUint64Setter);
}
void fx_DataView_prototype_setFloat32(txMachine* the)
{
fx_DataView_prototype_set(the, 4, fxNumberCoerce, fxFloat32Setter);
}
void fx_DataView_prototype_setFloat64(txMachine* the)
{
fx_DataView_prototype_set(the, 8, fxNumberCoerce, fxFloat64Setter);
}
void fx_DataView_prototype_setInt8(txMachine* the)