StringConstructor(ObjectValue* string) :
string(string),
arguments(new FormalParameterList),
prototype(new ObjectValue)
{
ObjectValue* function = static_cast<ObjectValue*>(getGlobal()->get("Function"));
arguments->add(new Identifier("value"));
prototype->put("constructor", string);
prototype->setPrototype(function->getPrototype()->getPrototype());
for (int i = 0; i < StringMethod::methodCount(); ++i)
{
ObjectValue* function = new ObjectValue;
StringMethod* method = new StringMethod(function, i);
function->setCode(method);
prototype->put(method->name(), function);
}
string->setParameterList(arguments);
string->setScope(getGlobal());
string->put("prototype", prototype);
string->setPrototype(function->getPrototype());
for (int i = 0; i < StringConstructorMethod::methodCount(); ++i)
{
ObjectValue* function = new ObjectValue;
StringConstructorMethod* method = new StringConstructorMethod(function, i);
function->setCode(method);
string->put(method->name(), function);
}
}
CompletionType evaluate()
{
Value* value = getScopeChain()->get("iid");
if (!value->isString())
{
throw getErrorInstance("TypeError");
}
const char* iid = value->toString().c_str();
Reflect::Interface interface;
try
{
interface = es::getInterface(iid);
}
catch (...)
{
throw getErrorInstance("TypeError");
}
// Construct Interface Object
ObjectValue* object = new ObjectValue;
object->setCode(new InterfaceConstructor(object, iid));
object->setPrototype(prototype);
return CompletionType(CompletionType::Return, object, "");
}
ObjectValue* constructSystemObject(void* system)
{
for (es::InterfaceData* data = es::interfaceData; data->iid; ++data)
{
// Construct Default Interface Object
Reflect::Interface interface = es::getInterface(data->iid());
PRINTF("%s\n", interface.getName().c_str());
ObjectValue* object = new ObjectValue;
object->setCode(new InterfaceConstructor(object, interface.getQualifiedName()));
object->setPrototype(getGlobal()->get("InterfaceStore")->getPrototype());
getGlobal()->put(interface.getName(), object);
}
System()->addRef();
ObjectValue* object = new InterfacePointerValue(System());
object->setPrototype(getGlobal()->get("CurrentProcess")->get("prototype"));
return object;
}
InterfaceStoreConstructor(ObjectValue* object) :
arguments(new FormalParameterList),
prototype(new ObjectValue)
{
ObjectValue* function = static_cast<ObjectValue*>(getGlobal()->get("Function"));
arguments->add(new Identifier("iid"));
object->setParameterList(arguments);
object->setScope(getGlobal());
// Create Interface.prototype
prototype->setPrototype(function->getPrototype()->getPrototype());
prototype->put("constructor", object);
object->put("prototype", prototype);
object->setPrototype(function->getPrototype());
}
// Query interface for this interface.
CompletionType evaluate()
{
if (constructor->hasInstance(getThis()))
{
// Constructor
Object* constructor = es::getConstructor(iid.c_str());
if (!constructor)
{
throw getErrorInstance("TypeError");
}
// TODO: Currently only the default constructor is supported
std::string ciid = iid;
ciid += "::Constructor";
Value* value = invoke(ciid.c_str(), 0, reinterpret_cast<InterfaceMethod**>(constructor), 0);
return CompletionType(CompletionType::Return, value, "");
}
else
{
// Cast
InterfacePointerValue* self = dynamic_cast<InterfacePointerValue*>(getScopeChain()->get("object"));
if (!self)
{
throw getErrorInstance("TypeError");
}
Object* object;
object = self->getObject();
if (!object || !(object = reinterpret_cast<Object*>(object->queryInterface(iid.c_str()))))
{
// We should throw an error in case called by a new expression.
throw getErrorInstance("TypeError");
}
ObjectValue* value = new InterfacePointerValue(object);
value->setPrototype(prototype);
return CompletionType(CompletionType::Return, value, "");
}
}
static Value* invoke(const char* iid, int number, InterfaceMethod** self, ListValue* list)
{
if (!self)
{
throw getErrorInstance("TypeError");
}
Reflect::Interface interface = es::getInterface(iid);
Reflect::Method method(interface.getMethod(number));
PRINTF("invoke %s.%s(%p)\n", interface.getName().c_str(), method.getName().c_str(), self);
// Set up parameters
Any argv[9];
Any* argp = argv;
int ext = 0; // extra parameter count
// Set this
*argp++ = Any(reinterpret_cast<intptr_t>(self));
// In the following implementation, we assume no out nor inout attribute is
// used for parameters.
Reflect::Type returnType = method.getReturnType();
switch (returnType.getType())
{
case Reflect::kAny:
// Any op(void* buf, int len, ...);
// FALL THROUGH
case Reflect::kString:
// const char* op(xxx* buf, int len, ...);
*argp++ = Any(reinterpret_cast<intptr_t>(heap));
*argp++ = Any(sizeof(heap));
break;
case Reflect::kSequence:
// int op(xxx* buf, int len, ...);
*argp++ = Any(reinterpret_cast<intptr_t>(heap));
++ext;
*argp++ = Any(static_cast<int32_t>(((*list)[0])->toNumber()));
break;
case Reflect::kArray:
// void op(xxx[x] buf, ...);
*argp++ = Any(reinterpret_cast<intptr_t>(heap));
break;
}
Reflect::Parameter param = method.listParameter();
for (int i = ext; param.next(); ++i, ++argp)
{
Reflect::Type type(param.getType());
Value* value = (*list)[i];
switch (type.getType())
{
case Reflect::kAny:
// Any variant, ...
switch (value->getType()) {
case Value::BoolType:
*argp = Any(static_cast<bool>(value->toBoolean()));
break;
case Value::StringType:
*argp = Any(value->toString().c_str());
break;
case Value::NumberType:
*argp = Any(static_cast<double>(value->toNumber()));
break;
case Value::ObjectType:
if (InterfacePointerValue* unknown = dynamic_cast<InterfacePointerValue*>(value))
{
*argp = Any(unknown->getObject());
}
else
{
// XXX expose ECMAScript object
*argp = Any(static_cast<Object*>(0));
}
break;
default:
*argp = Any();
break;
}
argp->makeVariant();
break;
case Reflect::kSequence:
// xxx* buf, int len, ...
// XXX Assume sequence<octet> now...
*argp++ = Any(reinterpret_cast<intptr_t>(value->toString().c_str()));
value = (*list)[++i];
*argp = Any(static_cast<int32_t>(value->toNumber()));
break;
case Reflect::kString:
*argp = Any(value->toString().c_str());
break;
case Reflect::kArray:
// void op(xxx[x] buf, ...);
// XXX expand data
break;
case Reflect::kObject:
if (InterfacePointerValue* unknown = dynamic_cast<InterfacePointerValue*>(value))
{
*argp = Any(unknown->getObject());
}
else
{
*argp = Any(static_cast<Object*>(0));
}
break;
case Reflect::kBoolean:
*argp = Any(static_cast<bool>(value->toBoolean()));
break;
case Reflect::kPointer:
*argp = Any(static_cast<intptr_t>(value->toNumber()));
break;
case Reflect::kShort:
*argp = Any(static_cast<int16_t>(value->toNumber()));
break;
case Reflect::kLong:
*argp = Any(static_cast<int32_t>(value->toNumber()));
break;
case Reflect::kOctet:
*argp = Any(static_cast<uint8_t>(value->toNumber()));
break;
case Reflect::kUnsignedShort:
*argp = Any(static_cast<uint16_t>(value->toNumber()));
break;
case Reflect::kUnsignedLong:
*argp = Any(static_cast<uint32_t>(value->toNumber()));
break;
case Reflect::kLongLong:
*argp = Any(static_cast<int64_t>(value->toNumber()));
break;
case Reflect::kUnsignedLongLong:
*argp = Any(static_cast<uint64_t>(value->toNumber()));
break;
case Reflect::kFloat:
*argp = Any(static_cast<float>(value->toNumber()));
break;
case Reflect::kDouble:
*argp = Any(static_cast<double>(value->toNumber()));
break;
default:
break;
}
}
// Invoke method
Register<Value> value;
unsigned methodNumber = interface.getInheritedMethodCount() + number;
int argc = argp - argv;
switch (returnType.getType())
{
case Reflect::kAny:
{
Any result = apply(argc, argv, (Any (*)()) ((*self)[methodNumber]));
switch (result.getType())
{
case Any::TypeVoid:
value = NullValue::getInstance();
break;
case Any::TypeBool:
value = BoolValue::getInstance(static_cast<bool>(result));
break;
case Any::TypeOctet:
value = new NumberValue(static_cast<uint8_t>(result));
break;
case Any::TypeShort:
value = new NumberValue(static_cast<int16_t>(result));
break;
case Any::TypeUnsignedShort:
value = new NumberValue(static_cast<uint16_t>(result));
break;
case Any::TypeLong:
value = new NumberValue(static_cast<int32_t>(result));
break;
case Any::TypeUnsignedLong:
value = new NumberValue(static_cast<uint32_t>(result));
break;
case Any::TypeLongLong:
value = new NumberValue(static_cast<int64_t>(result));
break;
case Any::TypeUnsignedLongLong:
value = new NumberValue(static_cast<uint64_t>(result));
break;
case Any::TypeFloat:
value = new NumberValue(static_cast<float>(result));
break;
case Any::TypeDouble:
value = new NumberValue(static_cast<double>(result));
break;
case Any::TypeString:
if (const char* string = static_cast<const char*>(result))
{
value = new StringValue(string);
}
else
{
value = NullValue::getInstance();
}
break;
case Any::TypeObject:
if (Object* unknown = static_cast<Object*>(result))
{
ObjectValue* instance = new InterfacePointerValue(unknown);
instance->setPrototype(getGlobal()->get(es::getInterface(Object::iid()).getName())->get("prototype")); // XXX Should use IID
value = instance;
}
else
{
value = NullValue::getInstance();
}
break;
default:
value = NullValue::getInstance();
break;
}
}
break;
case Reflect::kBoolean:
value = BoolValue::getInstance(static_cast<bool>(apply(argc, argv, (bool (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kOctet:
value = new NumberValue(static_cast<uint8_t>(apply(argc, argv, (uint8_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kShort:
value = new NumberValue(static_cast<int16_t>(apply(argc, argv, (int16_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kUnsignedShort:
value = new NumberValue(static_cast<uint16_t>(apply(argc, argv, (uint16_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kLong:
value = new NumberValue(static_cast<int32_t>(apply(argc, argv, (int32_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kUnsignedLong:
value = new NumberValue(static_cast<uint32_t>(apply(argc, argv, (uint32_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kLongLong:
value = new NumberValue(static_cast<int64_t>(apply(argc, argv, (int64_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kUnsignedLongLong:
value = new NumberValue(static_cast<uint64_t>(apply(argc, argv, (uint64_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kFloat:
value = new NumberValue(static_cast<float>(apply(argc, argv, (float (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kDouble:
value = new NumberValue(apply(argc, argv, (double (*)()) ((*self)[methodNumber])));
break;
case Reflect::kPointer:
value = new NumberValue(static_cast<intptr_t>(apply(argc, argv, (intptr_t (*)()) ((*self)[methodNumber]))));
break;
case Reflect::kString:
{
heap[0] = '\0';
Any result = apply(argc, argv, (const char* (*)()) ((*self)[methodNumber]));
if (const char* string = static_cast<const char*>(result))
{
value = new StringValue(string);
}
else
{
value = NullValue::getInstance();
}
}
break;
case Reflect::kSequence:
{
// XXX Assume sequence<octet> now...
int32_t count = apply(argc, argv, (int32_t (*)()) ((*self)[methodNumber]));
if (count < 0)
{
count = 0;
}
heap[count] = '\0';
value = new StringValue(heap);
}
break;
case Reflect::kObject:
if (Object* unknown = apply(argc, argv, (Object* (*)()) ((*self)[methodNumber])))
{
ObjectValue* instance = new InterfacePointerValue(unknown);
// TODO: check Object and others
instance->setPrototype(getGlobal()->get(es::getInterface(returnType.getQualifiedName().c_str()).getName())->get("prototype")); // XXX Should use IID
value = instance;
}
else
{
value = NullValue::getInstance();
}
break;
case Reflect::kVoid:
apply(argc, argv, (int32_t (*)()) ((*self)[methodNumber]));
value = NullValue::getInstance();
break;
}
return value;
}
ObjectValue *ValueOwner::newObject(const Value *prototype)
{
ObjectValue *object = new ObjectValue(this);
object->setPrototype(prototype);
return object;
}
