use of com.github.anba.es6draft.runtime.types.Callable in project es6draft by anba.
the class BoundFunctionObject method call.
/**
* 9.4.1.1 [[Call]] (thisArgument, argumentsList)
*/
@Override
public final Object call(ExecutionContext callerContext, Object thisValue, Object... argumentsList) {
/* step 1 */
Callable target = getFlattenedTargetFunction();
/* step 2 */
Object boundThis = getBoundThis();
/* step 3 */
Object[] boundArgs = getBoundArguments();
/* step 4 */
Object[] args = concatArguments(callerContext, boundArgs, argumentsList);
/* step 5 */
return target.call(callerContext, boundThis, args);
}
use of com.github.anba.es6draft.runtime.types.Callable in project es6draft by anba.
the class BoundFunctionObject method tailCall.
/**
* 9.4.1.1 [[Call]] (thisArgument, argumentsList)
*/
@Override
public final Object tailCall(ExecutionContext callerContext, Object thisValue, Object... argumentsList) throws Throwable {
/* step 1 */
Callable target = getFlattenedTargetFunction();
/* step 2 */
Object boundThis = getBoundThis();
/* step 3 */
Object[] boundArgs = getBoundArguments();
/* step 4 */
Object[] args = concatArguments(callerContext, boundArgs, argumentsList);
/* step 5 */
return target.tailCall(callerContext, boundThis, args);
}
use of com.github.anba.es6draft.runtime.types.Callable in project es6draft by anba.
the class OrdinaryObject method getValue.
/**
* 9.1.8 [[Get]] (P, Receiver)
*
* @param cx
* the execution context
* @param propertyKey
* the property key
* @param receiver
* the receiver object
* @return the property value
*/
protected Object getValue(ExecutionContext cx, String propertyKey, Object receiver) {
/* step 1 (implicit) */
/* steps 2-3 */
Property desc = getProperty(cx, propertyKey);
/* step 4 */
if (desc == null) {
ScriptObject parent = getPrototypeOf(cx);
if (parent == null) {
return UNDEFINED;
}
return parent.get(cx, propertyKey, receiver);
}
/* step 5 */
if (desc.isDataDescriptor()) {
return desc.getValue();
}
assert desc.isAccessorDescriptor();
/* step 6 */
Callable getter = desc.getGetter();
/* step 7 */
if (getter == null) {
return UNDEFINED;
}
/* step 8 */
return getter.call(cx, receiver, EMPTY_GETTER_ARGS);
}
use of com.github.anba.es6draft.runtime.types.Callable in project es6draft by anba.
the class OrdinaryObject method setValue.
/**
* 9.1.9 [[Set] (P, V, Receiver)
*
* @param cx
* the execution context
* @param propertyKey
* the property key
* @param value
* the new property value
* @param receiver
* the receiver object
* @return {@code true} on success
*/
protected boolean setValue(ExecutionContext cx, Symbol propertyKey, Object value, Object receiver) {
/* step 1 (implicit) */
/* steps 2-3 */
Property ownDesc = getProperty(cx, propertyKey);
/* step 4 */
if (ownDesc == null) {
ScriptObject parent = getPrototypeOf(cx);
if (parent != null) {
return parent.set(cx, propertyKey, value, receiver);
} else {
ownDesc = new Property(UNDEFINED, true, true, true);
}
} else if (receiver == this && ownDesc.isWritable()) {
// Optimize the common case for own, writable properties
return setPropertyValue(cx, propertyKey, value, ownDesc);
}
/* step 5 */
if (ownDesc.isDataDescriptor()) {
if (!ownDesc.isWritable()) {
return false;
}
if (!Type.isObject(receiver)) {
return false;
}
ScriptObject _receiver = Type.objectValue(receiver);
Property existingDescriptor = _receiver.getOwnProperty(cx, propertyKey);
if (existingDescriptor != null) {
if (existingDescriptor.isAccessorDescriptor() || !existingDescriptor.isWritable()) {
return false;
}
PropertyDescriptor valueDesc = new PropertyDescriptor(value);
return _receiver.defineOwnProperty(cx, propertyKey, valueDesc);
} else {
return CreateDataProperty(cx, _receiver, propertyKey, value);
}
}
/* step 6 */
assert ownDesc.isAccessorDescriptor();
Callable setter = ownDesc.getSetter();
if (setter == null) {
return false;
}
setter.call(cx, receiver, value);
return true;
}
use of com.github.anba.es6draft.runtime.types.Callable in project es6draft by anba.
the class OrdinaryObject method getValue.
/**
* 9.1.8 [[Get]] (P, Receiver)
*
* @param cx
* the execution context
* @param propertyKey
* the property key
* @param receiver
* the receiver object
* @return the property value
*/
protected Object getValue(ExecutionContext cx, Symbol propertyKey, Object receiver) {
/* step 1 (implicit) */
/* steps 2-3 */
Property desc = getProperty(cx, propertyKey);
/* step 4 */
if (desc == null) {
ScriptObject parent = getPrototypeOf(cx);
if (parent == null) {
return UNDEFINED;
}
return parent.get(cx, propertyKey, receiver);
}
/* step 5 */
if (desc.isDataDescriptor()) {
return desc.getValue();
}
assert desc.isAccessorDescriptor();
/* step 6 */
Callable getter = desc.getGetter();
/* step 7 */
if (getter == null) {
return UNDEFINED;
}
/* step 8 */
return getter.call(cx, receiver, EMPTY_GETTER_ARGS);
}
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