diff options
Diffstat (limited to 'deps/v8/src/builtins/data-view.tq')
| -rw-r--r-- | deps/v8/src/builtins/data-view.tq | 204 |
1 files changed, 120 insertions, 84 deletions
diff --git a/deps/v8/src/builtins/data-view.tq b/deps/v8/src/builtins/data-view.tq index 7cdc74a944f..874c1229959 100644 --- a/deps/v8/src/builtins/data-view.tq +++ b/deps/v8/src/builtins/data-view.tq @@ -13,6 +13,58 @@ module data_view { extern operator '.backing_store' macro LoadArrayBufferBackingStore(JSArrayBuffer): RawPtr; + macro MakeDataViewGetterNameString(kind: constexpr ElementsKind): String { + if constexpr (kind == UINT8_ELEMENTS) { + return 'DataView.prototype.getUint8'; + } else if constexpr (kind == INT8_ELEMENTS) { + return 'DataView.prototype.getInt8'; + } else if constexpr (kind == UINT16_ELEMENTS) { + return 'DataView.prototype.getUint16'; + } else if constexpr (kind == INT16_ELEMENTS) { + return 'DataView.prototype.getInt16'; + } else if constexpr (kind == UINT32_ELEMENTS) { + return 'DataView.prototype.getUint32'; + } else if constexpr (kind == INT32_ELEMENTS) { + return 'DataView.prototype.getInt32'; + } else if constexpr (kind == FLOAT32_ELEMENTS) { + return 'DataView.prototype.getFloat32'; + } else if constexpr (kind == FLOAT64_ELEMENTS) { + return 'DataView.prototype.getFloat64'; + } else if constexpr (kind == BIGINT64_ELEMENTS) { + return 'DataView.prototype.getBigInt64'; + } else if constexpr (kind == BIGUINT64_ELEMENTS) { + return 'DataView.prototype.getBigUint64'; + } else { + unreachable; + } + } + + macro MakeDataViewSetterNameString(kind: constexpr ElementsKind): String { + if constexpr (kind == UINT8_ELEMENTS) { + return 'DataView.prototype.setUint8'; + } else if constexpr (kind == INT8_ELEMENTS) { + return 'DataView.prototype.setInt8'; + } else if constexpr (kind == UINT16_ELEMENTS) { + return 'DataView.prototype.setUint16'; + } else if constexpr (kind == INT16_ELEMENTS) { + return 'DataView.prototype.setInt16'; + } else if constexpr (kind == UINT32_ELEMENTS) { + return 'DataView.prototype.setUint32'; + } else if constexpr (kind == INT32_ELEMENTS) { + return 'DataView.prototype.setInt32'; + } else if constexpr (kind == FLOAT32_ELEMENTS) { + return 'DataView.prototype.setFloat32'; + } else if constexpr (kind == FLOAT64_ELEMENTS) { + return 'DataView.prototype.setFloat64'; + } else if constexpr (kind == BIGINT64_ELEMENTS) { + return 'DataView.prototype.setBigInt64'; + } else if constexpr (kind == BIGUINT64_ELEMENTS) { + return 'DataView.prototype.setBigUint64'; + } else { + unreachable; + } + } + macro WasNeutered(view: JSArrayBufferView): bool { return IsDetachedBuffer(view.buffer); } @@ -71,12 +123,13 @@ module data_view { extern macro LoadUint8(RawPtr, intptr): uint32; extern macro LoadInt8(RawPtr, intptr): int32; - macro LoadDataViewUint8(buffer: JSArrayBuffer, offset: intptr): Smi { - return convert<Smi>(LoadUint8(buffer.backing_store, offset)); - } - - macro LoadDataViewInt8(buffer: JSArrayBuffer, offset: intptr): Smi { - return convert<Smi>(LoadInt8(buffer.backing_store, offset)); + macro LoadDataView8(buffer: JSArrayBuffer, offset: intptr, + signed: constexpr bool): Smi { + if constexpr (signed) { + return convert<Smi>(LoadInt8(buffer.backing_store, offset)); + } else { + return convert<Smi>(LoadUint8(buffer.backing_store, offset)); + } } macro LoadDataView16(buffer: JSArrayBuffer, offset: intptr, @@ -108,7 +161,7 @@ module data_view { macro LoadDataView32(buffer: JSArrayBuffer, offset: intptr, requested_little_endian: bool, - signed: constexpr bool): Number { + kind: constexpr ElementsKind): Number { let data_pointer: RawPtr = buffer.backing_store; let b0: uint32 = LoadUint8(data_pointer, offset); @@ -123,31 +176,16 @@ module data_view { result = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; } - if constexpr (signed) { + if constexpr (kind == INT32_ELEMENTS) { return convert<Number>(Signed(result)); - } else { + } else if constexpr (kind == UINT32_ELEMENTS) { return convert<Number>(result); - } - } - - macro LoadDataViewFloat32(buffer: JSArrayBuffer, offset: intptr, - requested_little_endian: bool): Number { - let data_pointer: RawPtr = buffer.backing_store; - - let b0: uint32 = LoadUint8(data_pointer, offset); - let b1: uint32 = LoadUint8(data_pointer, offset + 1); - let b2: uint32 = LoadUint8(data_pointer, offset + 2); - let b3: uint32 = LoadUint8(data_pointer, offset + 3); - let result: uint32; - - if (requested_little_endian) { - result = (b3 << 24) | (b2 << 16) | (b1 << 8) | b0; + } else if constexpr (kind == FLOAT32_ELEMENTS) { + let float_res: float64 = convert<float64>(BitcastInt32ToFloat32(result)); + return convert<Number>(float_res); } else { - result = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; + unreachable; } - - let float_res: float64 = convert<float64>(BitcastInt32ToFloat32(result)); - return convert<Number>(float_res); } macro LoadDataViewFloat64(buffer: JSArrayBuffer, offset: intptr, @@ -186,11 +224,11 @@ module data_view { extern macro DataViewEncodeBigIntBits(constexpr bool, constexpr int31): intptr; - const kPositiveBigInt: constexpr bool generates 'false'; - const kNegativeBigInt: constexpr bool generates 'true'; - const kZeroDigitBigInt: constexpr int31 generates '0'; - const kOneDigitBigInt: constexpr int31 generates '1'; - const kTwoDigitBigInt: constexpr int31 generates '2'; + const kPositiveBigInt: constexpr bool = false; + const kNegativeBigInt: constexpr bool = true; + const kZeroDigitBigInt: constexpr int31 = 0; + const kOneDigitBigInt: constexpr int31 = 1; + const kTwoDigitBigInt: constexpr int31 = 2; macro CreateEmptyBigInt(is_positive: bool, length: constexpr int31): BigInt { // Allocate a BigInt with the desired length (number of digits). @@ -357,10 +395,8 @@ module data_view { requested_little_endian: Object, kind: constexpr ElementsKind): Numeric { - // TODO(theotime): add more specific method name to match - // the former implementation. let data_view: JSDataView = ValidateDataView( - context, receiver, 'get DataView.prototype.get'); + context, receiver, MakeDataViewGetterNameString(kind)); let getIndex: Number; try { @@ -374,7 +410,8 @@ module data_view { let buffer: JSArrayBuffer = data_view.buffer; if (IsDetachedBuffer(buffer)) { - ThrowTypeError(context, kDetachedOperation, 'DataView.prototype.get'); + ThrowTypeError(context, kDetachedOperation, + MakeDataViewGetterNameString(kind)); } let viewOffset: Number = data_view.byte_offset; @@ -393,38 +430,30 @@ module data_view { let bufferIndex: intptr = getIndexIntptr + viewOffsetIntptr; if constexpr (kind == UINT8_ELEMENTS) { - return LoadDataViewUint8(buffer, bufferIndex); + return LoadDataView8(buffer, bufferIndex, false); } else if constexpr (kind == INT8_ELEMENTS) { - return LoadDataViewInt8(buffer, bufferIndex); + return LoadDataView8(buffer, bufferIndex, true); } else if constexpr (kind == UINT16_ELEMENTS) { return LoadDataView16(buffer, bufferIndex, littleEndian, false); } else if constexpr (kind == INT16_ELEMENTS) { return LoadDataView16(buffer, bufferIndex, littleEndian, true); } else if constexpr (kind == UINT32_ELEMENTS) { - return LoadDataView32(buffer, bufferIndex, littleEndian, false); + return LoadDataView32(buffer, bufferIndex, littleEndian, kind); } else if constexpr (kind == INT32_ELEMENTS) { - return LoadDataView32(buffer, bufferIndex, littleEndian, true); + return LoadDataView32(buffer, bufferIndex, littleEndian, kind); } else if constexpr (kind == FLOAT32_ELEMENTS) { - return LoadDataViewFloat32(buffer, bufferIndex, littleEndian); + return LoadDataView32(buffer, bufferIndex, littleEndian, kind); } else if constexpr (kind == FLOAT64_ELEMENTS) { return LoadDataViewFloat64(buffer, bufferIndex, littleEndian); - } else if constexpr (kind == BIGINT64_ELEMENTS) { - return LoadDataViewBigInt(buffer, bufferIndex, littleEndian, true); } else if constexpr (kind == BIGUINT64_ELEMENTS) { return LoadDataViewBigInt(buffer, bufferIndex, littleEndian, false); + } else if constexpr (kind == BIGINT64_ELEMENTS) { + return LoadDataViewBigInt(buffer, bufferIndex, littleEndian, true); } else { unreachable; } } - javascript builtin DataViewPrototypeGetInt8( - context: Context, receiver: Object, ...arguments): Object { - let offset: Object = arguments.length > 0 ? - arguments[0] : - Undefined; - return DataViewGet(context, receiver, offset, Undefined, INT8_ELEMENTS); - } - javascript builtin DataViewPrototypeGetUint8( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? @@ -433,7 +462,15 @@ module data_view { return DataViewGet(context, receiver, offset, Undefined, UINT8_ELEMENTS); } - javascript builtin DataViewPrototypeGetInt16( + javascript builtin DataViewPrototypeGetInt8( + context: Context, receiver: Object, ...arguments): Object { + let offset: Object = arguments.length > 0 ? + arguments[0] : + Undefined; + return DataViewGet(context, receiver, offset, Undefined, INT8_ELEMENTS); + } + + javascript builtin DataViewPrototypeGetUint16( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -442,10 +479,10 @@ module data_view { arguments[1] : Undefined; return DataViewGet(context, receiver, offset, is_little_endian, - INT16_ELEMENTS); + UINT16_ELEMENTS); } - javascript builtin DataViewPrototypeGetUint16( + javascript builtin DataViewPrototypeGetInt16( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -454,10 +491,10 @@ module data_view { arguments[1] : Undefined; return DataViewGet(context, receiver, offset, is_little_endian, - UINT16_ELEMENTS); + INT16_ELEMENTS); } - javascript builtin DataViewPrototypeGetInt32( + javascript builtin DataViewPrototypeGetUint32( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -466,10 +503,10 @@ module data_view { arguments[1] : Undefined; return DataViewGet(context, receiver, offset, is_little_endian, - INT32_ELEMENTS); + UINT32_ELEMENTS); } - javascript builtin DataViewPrototypeGetUint32( + javascript builtin DataViewPrototypeGetInt32( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -478,7 +515,7 @@ module data_view { arguments[1] : Undefined; return DataViewGet(context, receiver, offset, is_little_endian, - UINT32_ELEMENTS); + INT32_ELEMENTS); } javascript builtin DataViewPrototypeGetFloat32( @@ -505,7 +542,7 @@ module data_view { FLOAT64_ELEMENTS); } - javascript builtin DataViewPrototypeGetBigInt64( + javascript builtin DataViewPrototypeGetBigUint64( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -514,10 +551,10 @@ module data_view { arguments[1] : Undefined; return DataViewGet(context, receiver, offset, is_little_endian, - BIGINT64_ELEMENTS); + BIGUINT64_ELEMENTS); } - javascript builtin DataViewPrototypeGetBigUint64( + javascript builtin DataViewPrototypeGetBigInt64( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -526,7 +563,7 @@ module data_view { arguments[1] : Undefined; return DataViewGet(context, receiver, offset, is_little_endian, - BIGUINT64_ELEMENTS); + BIGINT64_ELEMENTS); } extern macro ToNumber(Context, Object): Number; @@ -670,10 +707,8 @@ module data_view { requested_little_endian: Object, kind: constexpr ElementsKind): Object { - // TODO(theotime): add more specific method name to match - // the former implementation. let data_view: JSDataView = ValidateDataView( - context, receiver, 'get DataView.prototype.get'); + context, receiver, MakeDataViewSetterNameString(kind)); let getIndex: Number; try { @@ -697,7 +732,8 @@ module data_view { } if (IsDetachedBuffer(buffer)) { - ThrowTypeError(context, kDetachedOperation, 'DataView.prototype.get'); + ThrowTypeError(context, kDetachedOperation, + MakeDataViewSetterNameString(kind)); } let viewOffset: Number = data_view.byte_offset; @@ -749,7 +785,7 @@ module data_view { return Undefined; } - javascript builtin DataViewPrototypeSetInt8( + javascript builtin DataViewPrototypeSetUint8( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -758,10 +794,10 @@ module data_view { arguments[1] : Undefined; return DataViewSet(context, receiver, offset, value, Undefined, - INT8_ELEMENTS); + UINT8_ELEMENTS); } - javascript builtin DataViewPrototypeSetUint8( + javascript builtin DataViewPrototypeSetInt8( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -770,10 +806,10 @@ module data_view { arguments[1] : Undefined; return DataViewSet(context, receiver, offset, value, Undefined, - UINT8_ELEMENTS); + INT8_ELEMENTS); } - javascript builtin DataViewPrototypeSetInt16( + javascript builtin DataViewPrototypeSetUint16( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -785,10 +821,10 @@ module data_view { arguments[2] : Undefined; return DataViewSet(context, receiver, offset, value, - is_little_endian, INT16_ELEMENTS); + is_little_endian, UINT16_ELEMENTS); } - javascript builtin DataViewPrototypeSetUint16( + javascript builtin DataViewPrototypeSetInt16( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -800,10 +836,10 @@ module data_view { arguments[2] : Undefined; return DataViewSet(context, receiver, offset, value, - is_little_endian, UINT16_ELEMENTS); + is_little_endian, INT16_ELEMENTS); } - javascript builtin DataViewPrototypeSetInt32( + javascript builtin DataViewPrototypeSetUint32( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -815,10 +851,10 @@ module data_view { arguments[2] : Undefined; return DataViewSet(context, receiver, offset, value, - is_little_endian, INT32_ELEMENTS); + is_little_endian, UINT32_ELEMENTS); } - javascript builtin DataViewPrototypeSetUint32( + javascript builtin DataViewPrototypeSetInt32( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -830,7 +866,7 @@ module data_view { arguments[2] : Undefined; return DataViewSet(context, receiver, offset, value, - is_little_endian, UINT32_ELEMENTS); + is_little_endian, INT32_ELEMENTS); } javascript builtin DataViewPrototypeSetFloat32( @@ -863,7 +899,7 @@ module data_view { is_little_endian, FLOAT64_ELEMENTS); } - javascript builtin DataViewPrototypeSetBigInt64( + javascript builtin DataViewPrototypeSetBigUint64( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -875,10 +911,10 @@ module data_view { arguments[2] : Undefined; return DataViewSet(context, receiver, offset, value, - is_little_endian, BIGINT64_ELEMENTS); + is_little_endian, BIGUINT64_ELEMENTS); } - javascript builtin DataViewPrototypeSetBigUint64( + javascript builtin DataViewPrototypeSetBigInt64( context: Context, receiver: Object, ...arguments): Object { let offset: Object = arguments.length > 0 ? arguments[0] : @@ -890,7 +926,7 @@ module data_view { arguments[2] : Undefined; return DataViewSet(context, receiver, offset, value, - is_little_endian, BIGUINT64_ELEMENTS); + is_little_endian, BIGINT64_ELEMENTS); } } |