use of com.github.anba.es6draft.runtime.types.builtins.OrdinaryFunction in project es6draft by anba.
the class FunctionOperations method EvaluatePropertyDefinitionGetter.
/**
* 14.3 Method Definitions
* <p>
* 14.3.8 Runtime Semantics: PropertyDefinitionEvaluation
* <ul>
* <li>get PropertyName ( ) { FunctionBody }
* </ul>
*
* @param object
* the script object
* @param propKey
* the property key
* @param fd
* the function runtime info object
* @param cx
* the execution context
* @return the getter method
*/
public static OrdinaryFunction EvaluatePropertyDefinitionGetter(OrdinaryObject object, Object propKey, RuntimeInfo.Function fd, ExecutionContext cx) {
/* steps 1-3 (generated code) */
/* step 4 */
LexicalEnvironment<?> scope = cx.getLexicalEnvironment();
/* steps 5-6 */
OrdinaryFunction closure = FunctionCreate(cx, FunctionKind.Method, fd, scope);
/* step 7 */
MakeMethod(closure, object);
/* step 8 */
SetFunctionName(closure, propKey, "get");
/* steps 9-10 (generated code) */
return closure;
}
use of com.github.anba.es6draft.runtime.types.builtins.OrdinaryFunction in project es6draft by anba.
the class ScriptRuntime method EvaluatePropertyDefinitionGetter.
/**
* 14.3 Method Definitions
* <p>
* 14.3.9 Runtime Semantics: PropertyDefinitionEvaluation
* <ul>
* <li>get PropertyName ( ) { FunctionBody }
* </ul>
*
* @param object
* the script object
* @param propKey
* the property key
* @param enumerable
* the enumerable property attribute
* @param fd
* the function runtime info object
* @param cx
* the execution context
*/
public static void EvaluatePropertyDefinitionGetter(OrdinaryObject object, String propKey, boolean enumerable, RuntimeInfo.Function fd, ExecutionContext cx) {
/* steps 1-3 (generated code) */
/* step 4 */
LexicalEnvironment<?> scope = cx.getLexicalEnvironment();
/* steps 5-6 */
OrdinaryFunction closure = FunctionCreate(cx, FunctionKind.Method, fd, scope);
/* step 7 */
MakeMethod(closure, object);
/* steps 8-9 */
SetFunctionName(closure, propKey, "get");
/* step 10 */
PropertyDescriptor desc = AccessorPropertyDescriptor(closure, null, enumerable, true);
/* step 11 */
DefinePropertyOrThrow(cx, object, propKey, desc);
}
use of com.github.anba.es6draft.runtime.types.builtins.OrdinaryFunction in project es6draft by anba.
the class ClassOperations method InitializeInstanceFields.
public static void InitializeInstanceFields(ScriptObject thisValue, OrdinaryConstructorFunction constructor, ExecutionContext cx) {
Property initializerDesc = constructor.get(CLASS_INSTANCE_INITIALIZER);
if (initializerDesc != null) {
assert initializerDesc.isDataDescriptor();
Object initializer = initializerDesc.getValue();
assert initializer instanceof OrdinaryFunction;
OrdinaryFunction initializerFn = (OrdinaryFunction) initializer;
Property instanceMethods = initializerFn.get(INSTANCE_METHODS);
assert instanceMethods != null && instanceMethods.isDataDescriptor();
if (instanceMethods.getValue() != null) {
initializeInstanceMethods(thisValue, arrayValue(instanceMethods, InstanceMethod[].class), cx);
}
// Call the instance fields initializer.
Property classFields = initializerFn.get(CLASS_FIELDS);
assert classFields != null && classFields.isDataDescriptor();
if (classFields.getValue() != null) {
initializerFn.call(cx, thisValue);
}
}
}
use of com.github.anba.es6draft.runtime.types.builtins.OrdinaryFunction in project es6draft by anba.
the class FunctionOperations method EvaluateArrowFunction.
/**
* 14.2 Arrow Function Definitions
* <p>
* 14.2.17 Runtime Semantics: Evaluation
* <ul>
* <li>ArrowFunction : ArrowParameters {@literal =>} ConciseBody
* </ul>
*
* @param fd
* the function runtime info object
* @param cx
* the execution context
* @return the new function instance
*/
public static OrdinaryFunction EvaluateArrowFunction(RuntimeInfo.Function fd, ExecutionContext cx) {
/* step 1 (not applicable) */
/* step 2 */
LexicalEnvironment<?> scope = cx.getLexicalEnvironment();
/* step 4 */
OrdinaryFunction closure = FunctionCreate(cx, FunctionKind.Arrow, fd, scope);
/* step 5 */
return closure;
}
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