DerivedSources/WebCore/JSCSSSupportsRule.cpp - third_party/webkit - Git at Google

 /*
     This file is part of the WebKit open source project.
     This file has been generated by generate-bindings.pl. DO NOT MODIFY!

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.

     This library 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
     Library General Public License for more details.

     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */

 #include "config.h"
 #include "JSCSSSupportsRule.h"

 #include "ExceptionCode.h"
 #include "JSCSSRuleList.h"
 #include "JSDOMBinding.h"
 #include "JSDOMConstructor.h"
 #include "JSDOMConvert.h"
 #include "URL.h"
 #include <runtime/Error.h>
 #include <runtime/JSString.h>
 #include <wtf/GetPtr.h>

 using namespace JSC;

 namespace WebCore {

 // Functions

 JSC::EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionInsertRule(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionDeleteRule(JSC::ExecState*);

 // Attributes

 JSC::EncodedJSValue jsCSSSupportsRuleCssRules(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsCSSSupportsRuleConditionText(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsCSSSupportsRuleConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSCSSSupportsRuleConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

 class JSCSSSupportsRulePrototype : public JSC::JSNonFinalObject {
 public:
     typedef JSC::JSNonFinalObject Base;
     static JSCSSSupportsRulePrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
     {
         JSCSSSupportsRulePrototype* ptr = new (NotNull, JSC::allocateCell<JSCSSSupportsRulePrototype>(vm.heap)) JSCSSSupportsRulePrototype(vm, globalObject, structure);
         ptr->finishCreation(vm);
         return ptr;
     }

     DECLARE_INFO;
     static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
     {
         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
     }

 private:
     JSCSSSupportsRulePrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
         : JSC::JSNonFinalObject(vm, structure)
     {
     }

     void finishCreation(JSC::VM&);
 };

 typedef JSDOMConstructorNotConstructable<JSCSSSupportsRule> JSCSSSupportsRuleConstructor;

 template<> JSValue JSCSSSupportsRuleConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
 {
     return JSCSSRule::getConstructor(vm, &globalObject);
 }

 template<> void JSCSSSupportsRuleConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
 {
     putDirect(vm, vm.propertyNames->prototype, JSCSSSupportsRule::prototype(vm, &globalObject), DontDelete | ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("CSSSupportsRule"))), ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum);
 }

 template<> const ClassInfo JSCSSSupportsRuleConstructor::s_info = { "CSSSupportsRule", &Base::s_info, 0, CREATE_METHOD_TABLE(JSCSSSupportsRuleConstructor) };

 /* Hash table for prototype */

 static const HashTableValue JSCSSSupportsRulePrototypeTableValues[] =
 {
     { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCSSSupportsRuleConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSCSSSupportsRuleConstructor) } },
     { "cssRules", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCSSSupportsRuleCssRules), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "conditionText", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCSSSupportsRuleConditionText), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "insertRule", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsCSSSupportsRulePrototypeFunctionInsertRule), (intptr_t) (2) } },
     { "deleteRule", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsCSSSupportsRulePrototypeFunctionDeleteRule), (intptr_t) (1) } },
 };

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

 void JSCSSSupportsRulePrototype::finishCreation(VM& vm)
 {
     Base::finishCreation(vm);
     reifyStaticProperties(vm, JSCSSSupportsRulePrototypeTableValues, *this);
 }

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

 JSCSSSupportsRule::JSCSSSupportsRule(Structure* structure, JSDOMGlobalObject& globalObject, Ref<CSSSupportsRule>&& impl)
     : JSCSSRule(structure, globalObject, WTFMove(impl))
 {
 }

 JSObject* JSCSSSupportsRule::createPrototype(VM& vm, JSGlobalObject* globalObject)
 {
     return JSCSSSupportsRulePrototype::create(vm, globalObject, JSCSSSupportsRulePrototype::createStructure(vm, globalObject, JSCSSRule::prototype(vm, globalObject)));
 }

 JSObject* JSCSSSupportsRule::prototype(VM& vm, JSGlobalObject* globalObject)
 {
     return getDOMPrototype<JSCSSSupportsRule>(vm, globalObject);
 }

 EncodedJSValue jsCSSSupportsRuleCssRules(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     UNUSED_PARAM(thisValue);
     JSValue decodedThisValue = JSValue::decode(thisValue);
     auto* castedThis = jsDynamicCast<JSCSSSupportsRule*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "CSSSupportsRule", "cssRules");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = toJS(state, castedThis->globalObject(), impl.cssRules());
     return JSValue::encode(result);
 }


 EncodedJSValue jsCSSSupportsRuleConditionText(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     UNUSED_PARAM(thisValue);
     JSValue decodedThisValue = JSValue::decode(thisValue);
     auto* castedThis = jsDynamicCast<JSCSSSupportsRule*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "CSSSupportsRule", "conditionText");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsStringWithCache(state, impl.conditionText());
     return JSValue::encode(result);
 }


 EncodedJSValue jsCSSSupportsRuleConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSCSSSupportsRulePrototype* domObject = jsDynamicCast<JSCSSSupportsRulePrototype*>(JSValue::decode(thisValue));
     if (UNLIKELY(!domObject))
         return throwVMTypeError(state, throwScope);
     return JSValue::encode(JSCSSSupportsRule::getConstructor(state->vm(), domObject->globalObject()));
 }

 bool setJSCSSSupportsRuleConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSValue value = JSValue::decode(encodedValue);
     JSCSSSupportsRulePrototype* domObject = jsDynamicCast<JSCSSSupportsRulePrototype*>(JSValue::decode(thisValue));
     if (UNLIKELY(!domObject)) {
         throwVMTypeError(state, throwScope);
         return false;
     }
     // Shadowing a built-in constructor
     return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
 }

 JSValue JSCSSSupportsRule::getConstructor(VM& vm, const JSGlobalObject* globalObject)
 {
     return getDOMConstructor<JSCSSSupportsRuleConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
 }

 EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionInsertRule(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSCSSSupportsRule*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "CSSSupportsRule", "insertRule");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSCSSSupportsRule::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 2))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto rule = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     auto index = convert<uint32_t>(*state, state->uncheckedArgument(1), NormalConversion);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     JSValue result = jsNumber(impl.insertRule(WTFMove(rule), WTFMove(index), ec));

     setDOMException(state, throwScope, ec);
     return JSValue::encode(result);
 }

 EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionDeleteRule(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSCSSSupportsRule*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "CSSSupportsRule", "deleteRule");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSCSSSupportsRule::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 1))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto index = convert<uint32_t>(*state, state->uncheckedArgument(0), NormalConversion);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     impl.deleteRule(WTFMove(index), ec);
     setDOMException(state, throwScope, ec);
     return JSValue::encode(jsUndefined());
 }


 }
	/*
	This file is part of the WebKit open source project.
	This file has been generated by generate-bindings.pl. DO NOT MODIFY!

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Library General Public
	License as published by the Free Software Foundation; either
	version 2 of the License, or (at your option) any later version.

	This library 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
	Library General Public License for more details.

	You should have received a copy of the GNU Library General Public License
	along with this library; see the file COPYING.LIB. If not, write to
	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA 02110-1301, USA.
	*/

	#include "config.h"
	#include "JSCSSSupportsRule.h"

	#include "ExceptionCode.h"
	#include "JSCSSRuleList.h"
	#include "JSDOMBinding.h"
	#include "JSDOMConstructor.h"
	#include "JSDOMConvert.h"
	#include "URL.h"
	#include <runtime/Error.h>
	#include <runtime/JSString.h>
	#include <wtf/GetPtr.h>

	using namespace JSC;

	namespace WebCore {

	// Functions

	JSC::EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionInsertRule(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionDeleteRule(JSC::ExecState*);

	// Attributes

	JSC::EncodedJSValue jsCSSSupportsRuleCssRules(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsCSSSupportsRuleConditionText(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsCSSSupportsRuleConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSCSSSupportsRuleConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

	class JSCSSSupportsRulePrototype : public JSC::JSNonFinalObject {
	public:
	typedef JSC::JSNonFinalObject Base;
	static JSCSSSupportsRulePrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
	{
	JSCSSSupportsRulePrototype* ptr = new (NotNull, JSC::allocateCell<JSCSSSupportsRulePrototype>(vm.heap)) JSCSSSupportsRulePrototype(vm, globalObject, structure);
	ptr->finishCreation(vm);
	return ptr;
	}

	DECLARE_INFO;
	static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
	{
	return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
	}

	private:
	JSCSSSupportsRulePrototype(JSC::VM& vm, JSC::JSGlobalObject, JSC::Structure structure)
	: JSC::JSNonFinalObject(vm, structure)
	{
	}

	void finishCreation(JSC::VM&);
	};

	typedef JSDOMConstructorNotConstructable<JSCSSSupportsRule> JSCSSSupportsRuleConstructor;

	template<> JSValue JSCSSSupportsRuleConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
	{
	return JSCSSRule::getConstructor(vm, &globalObject);
	}

	template<> void JSCSSSupportsRuleConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
	{
	putDirect(vm, vm.propertyNames->prototype, JSCSSSupportsRule::prototype(vm, &globalObject), DontDelete \| ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("CSSSupportsRule"))), ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly \| DontEnum);
	}

	template<> const ClassInfo JSCSSSupportsRuleConstructor::s_info = { "CSSSupportsRule", &Base::s_info, 0, CREATE_METHOD_TABLE(JSCSSSupportsRuleConstructor) };

	/* Hash table for prototype */

	static const HashTableValue JSCSSSupportsRulePrototypeTableValues[] =
	{
	{ "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCSSSupportsRuleConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSCSSSupportsRuleConstructor) } },
	{ "cssRules", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCSSSupportsRuleCssRules), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "conditionText", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCSSSupportsRuleConditionText), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "insertRule", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsCSSSupportsRulePrototypeFunctionInsertRule), (intptr_t) (2) } },
	{ "deleteRule", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsCSSSupportsRulePrototypeFunctionDeleteRule), (intptr_t) (1) } },
	};

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

	void JSCSSSupportsRulePrototype::finishCreation(VM& vm)
	{
	Base::finishCreation(vm);
	reifyStaticProperties(vm, JSCSSSupportsRulePrototypeTableValues, *this);
	}

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

	JSCSSSupportsRule::JSCSSSupportsRule(Structure* structure, JSDOMGlobalObject& globalObject, Ref<CSSSupportsRule>&& impl)
	: JSCSSRule(structure, globalObject, WTFMove(impl))
	{
	}

	JSObject* JSCSSSupportsRule::createPrototype(VM& vm, JSGlobalObject* globalObject)
	{
	return JSCSSSupportsRulePrototype::create(vm, globalObject, JSCSSSupportsRulePrototype::createStructure(vm, globalObject, JSCSSRule::prototype(vm, globalObject)));
	}

	JSObject* JSCSSSupportsRule::prototype(VM& vm, JSGlobalObject* globalObject)
	{
	return getDOMPrototype<JSCSSSupportsRule>(vm, globalObject);
	}

	EncodedJSValue jsCSSSupportsRuleCssRules(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	UNUSED_PARAM(thisValue);
	JSValue decodedThisValue = JSValue::decode(thisValue);
	auto* castedThis = jsDynamicCast<JSCSSSupportsRule*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "CSSSupportsRule", "cssRules");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = toJS(state, castedThis->globalObject(), impl.cssRules());
	return JSValue::encode(result);
	}


	EncodedJSValue jsCSSSupportsRuleConditionText(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	UNUSED_PARAM(thisValue);
	JSValue decodedThisValue = JSValue::decode(thisValue);
	auto* castedThis = jsDynamicCast<JSCSSSupportsRule*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "CSSSupportsRule", "conditionText");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsStringWithCache(state, impl.conditionText());
	return JSValue::encode(result);
	}


	EncodedJSValue jsCSSSupportsRuleConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSCSSSupportsRulePrototype* domObject = jsDynamicCast<JSCSSSupportsRulePrototype*>(JSValue::decode(thisValue));
	if (UNLIKELY(!domObject))
	return throwVMTypeError(state, throwScope);
	return JSValue::encode(JSCSSSupportsRule::getConstructor(state->vm(), domObject->globalObject()));
	}

	bool setJSCSSSupportsRuleConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSValue value = JSValue::decode(encodedValue);
	JSCSSSupportsRulePrototype* domObject = jsDynamicCast<JSCSSSupportsRulePrototype*>(JSValue::decode(thisValue));
	if (UNLIKELY(!domObject)) {
	throwVMTypeError(state, throwScope);
	return false;
	}
	// Shadowing a built-in constructor
	return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
	}

	JSValue JSCSSSupportsRule::getConstructor(VM& vm, const JSGlobalObject* globalObject)
	{
	return getDOMConstructor<JSCSSSupportsRuleConstructor>(vm, jsCast<const JSDOMGlobalObject>(globalObject));
	}

	EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionInsertRule(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSCSSSupportsRule*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "CSSSupportsRule", "insertRule");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSCSSSupportsRule::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 2))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto rule = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	auto index = convert<uint32_t>(*state, state->uncheckedArgument(1), NormalConversion);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	JSValue result = jsNumber(impl.insertRule(WTFMove(rule), WTFMove(index), ec));

	setDOMException(state, throwScope, ec);
	return JSValue::encode(result);
	}

	EncodedJSValue JSC_HOST_CALL jsCSSSupportsRulePrototypeFunctionDeleteRule(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSCSSSupportsRule*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "CSSSupportsRule", "deleteRule");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSCSSSupportsRule::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 1))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto index = convert<uint32_t>(*state, state->uncheckedArgument(0), NormalConversion);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	impl.deleteRule(WTFMove(index), ec);
	setDOMException(state, throwScope, ec);
	return JSValue::encode(jsUndefined());
	}


	}