| /* |
| * Copyright (C) 2021 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 "WebAssemblyTagPrototype.h" |
| |
| #if ENABLE(WEBASSEMBLY) |
| |
| #include "JSCellInlines.h" |
| #include "JSObjectInlines.h" |
| #include "JSWebAssemblyTag.h" |
| #include "ObjectConstructor.h" |
| #include "StructureInlines.h" |
| #include "WasmFormat.h" |
| |
| namespace JSC { |
| static JSC_DECLARE_HOST_FUNCTION(webAssemblyTagProtoFuncType); |
| } |
| |
| #include "WebAssemblyTagPrototype.lut.h" |
| |
| namespace JSC { |
| |
| const ClassInfo WebAssemblyTagPrototype::s_info = { "WebAssembly.Tag", &Base::s_info, &prototypeTableWebAssemblyTag, nullptr, CREATE_METHOD_TABLE(WebAssemblyTagPrototype) }; |
| |
| /* Source for WebAssemblyTagPrototype.lut.h |
| @begin prototypeTableWebAssemblyTag |
| type webAssemblyTagProtoFuncType Function 0 |
| @end |
| */ |
| |
| |
| WebAssemblyTagPrototype* WebAssemblyTagPrototype::create(VM& vm, JSGlobalObject*, Structure* structure) |
| { |
| auto* object = new (NotNull, allocateCell<WebAssemblyTagPrototype>(vm)) WebAssemblyTagPrototype(vm, structure); |
| object->finishCreation(vm); |
| return object; |
| } |
| |
| Structure* WebAssemblyTagPrototype::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) |
| { |
| return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info()); |
| } |
| |
| void WebAssemblyTagPrototype::finishCreation(VM& vm) |
| { |
| Base::finishCreation(vm); |
| ASSERT(inherits(vm, info())); |
| JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); |
| } |
| |
| WebAssemblyTagPrototype::WebAssemblyTagPrototype(VM& vm, Structure* structure) |
| : Base(vm, structure) |
| { |
| } |
| |
| ALWAYS_INLINE static JSWebAssemblyTag* getTag(JSGlobalObject* globalObject, JSValue thisValue) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| if (UNLIKELY(!thisValue.isCell())) { |
| throwVMError(globalObject, scope, createNotAnObjectError(globalObject, thisValue)); |
| return nullptr; |
| } |
| auto* tag = jsDynamicCast<JSWebAssemblyTag*>(vm, thisValue.asCell()); |
| if (LIKELY(tag)) |
| return tag; |
| throwTypeError(globalObject, scope, "WebAssembly.Tag operation called on non-Tag object"_s); |
| return nullptr; |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(webAssemblyTagProtoFuncType, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto throwScope = DECLARE_THROW_SCOPE(vm); |
| |
| JSWebAssemblyTag* jsTag = getTag(globalObject, callFrame->thisValue()); |
| RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
| |
| const Wasm::Tag& tag = jsTag->tag(); |
| |
| MarkedArgumentBuffer argList; |
| for (size_t i = 0; i < tag.parameterCount(); ++i) |
| argList.append(Wasm::typeToString(vm, tag.parameter(i).kind)); |
| |
| if (UNLIKELY(argList.hasOverflowed())) { |
| throwOutOfMemoryError(globalObject, throwScope); |
| return encodedJSValue(); |
| } |
| |
| JSArray* parameters = constructArray(globalObject, static_cast<ArrayAllocationProfile*>(nullptr), argList); |
| JSObject* type = constructEmptyObject(globalObject, globalObject->objectPrototype(), 1); |
| type->putDirect(vm, Identifier::fromString(vm, "parameters"), parameters); |
| |
| RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
| RELEASE_AND_RETURN(throwScope, JSValue::encode(type)); |
| } |
| |
| } // namespace JSC |
| |
| #endif // ENABLE(WEBASSEMBLY) |