JSNativeStdFunction.cpp [plain text]
#include "config.h"
#include "JSNativeStdFunction.h"
#include "JSCInlines.h"
#include "JSFunction.h"
#include "JSFunctionInlines.h"
#include "JSObject.h"
#include "NativeStdFunctionCell.h"
#include "VM.h"
namespace JSC {
const ClassInfo JSNativeStdFunction::s_info = { "Function", &Base::s_info, nullptr, CREATE_METHOD_TABLE(JSNativeStdFunction) };
JSNativeStdFunction::JSNativeStdFunction(VM& vm, JSGlobalObject* globalObject, Structure* structure)
: Base(vm, globalObject, structure)
{
}
void JSNativeStdFunction::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSNativeStdFunction* thisObject = jsCast<JSNativeStdFunction*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(&thisObject->m_functionCell);
}
void JSNativeStdFunction::finishCreation(VM& vm, NativeExecutable* executable, int length, const String& name, NativeStdFunctionCell* functionCell)
{
Base::finishCreation(vm, executable, length, name);
ASSERT(inherits(info()));
m_functionCell.set(vm, this, functionCell);
}
static EncodedJSValue JSC_HOST_CALL runStdFunction(ExecState* state)
{
JSNativeStdFunction* function = jsCast<JSNativeStdFunction*>(state->callee());
ASSERT(function);
return function->nativeStdFunctionCell()->function()(state);
}
JSNativeStdFunction* JSNativeStdFunction::create(VM& vm, JSGlobalObject* globalObject, int length, const String& name, NativeStdFunction&& nativeStdFunction, Intrinsic intrinsic, NativeFunction nativeConstructor)
{
NativeExecutable* executable = vm.getHostFunction(runStdFunction, intrinsic, nativeConstructor, name);
NativeStdFunctionCell* functionCell = NativeStdFunctionCell::create(vm, WTFMove(nativeStdFunction));
Structure* structure = globalObject->nativeStdFunctionStructure();
JSNativeStdFunction* function = new (NotNull, allocateCell<JSNativeStdFunction>(vm.heap)) JSNativeStdFunction(vm, globalObject, structure);
function->finishCreation(vm, executable, length, name, functionCell);
return function;
}
}