JSGeneratorFunction.h [plain text]
#pragma once
#include "JSFunction.h"
namespace JSC {
class JSGlobalObject;
class LLIntOffsetsExtractor;
class LLIntDesiredOffsets;
class JSGeneratorFunction : public JSFunction {
friend class JIT;
#if ENABLE(DFG_JIT)
friend class DFG::SpeculativeJIT;
friend class DFG::JITCompiler;
#endif
friend class VM;
public:
typedef JSFunction Base;
enum class GeneratorResumeMode : int32_t {
NormalMode = 0,
ReturnMode = 1,
ThrowMode = 2
};
enum class GeneratorState : int32_t {
Completed = -1,
Executing = -2,
};
enum class GeneratorArgument : int32_t {
ThisValue = 0,
Generator = 1,
State = 2,
Value = 3,
ResumeMode = 4,
Frame = 5,
};
const static unsigned StructureFlags = Base::StructureFlags;
template<typename CellType>
static IsoSubspace* subspaceFor(VM& vm)
{
return &vm.generatorFunctionSpace;
}
DECLARE_EXPORT_INFO;
static JSGeneratorFunction* create(VM&, FunctionExecutable*, JSScope*);
static JSGeneratorFunction* create(VM&, FunctionExecutable*, JSScope*, Structure*);
static JSGeneratorFunction* createWithInvalidatedReallocationWatchpoint(VM&, FunctionExecutable*, JSScope*);
static size_t allocationSize(Checked<size_t> inlineCapacity)
{
ASSERT_UNUSED(inlineCapacity, !inlineCapacity);
return sizeof(JSGeneratorFunction);
}
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
ASSERT(globalObject);
return Structure::create(vm, globalObject, prototype, TypeInfo(JSFunctionType, StructureFlags), info());
}
private:
JSGeneratorFunction(VM&, FunctionExecutable*, JSScope*, Structure*);
static JSGeneratorFunction* createImpl(VM&, FunctionExecutable*, JSScope*, Structure*);
friend class LLIntOffsetsExtractor;
};
}