blob: 493d417c18ac84a7294d2e9142a54331f2630407 [file] [log] [blame]
/*
* 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 "ObjectConstructor.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.heap)) 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)