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NominalTypeBuilderOti.java
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NominalTypeBuilderOti.java
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/*
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bob Jervis
* Google Inc.
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package com.google.javascript.rhino.jstype;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.javascript.rhino.Node;
import com.google.javascript.rhino.NominalTypeBuilder;
import com.google.javascript.rhino.TypeI;
import java.util.ArrayList;
import java.util.List;
/**
* OTI implementation of NominalTypeBuilder
*/
public final class NominalTypeBuilderOti implements NominalTypeBuilder {
/**
* Factory to create NominalTypeBuilders. This is important so that beforeFreeze
* callbacks can be run asynchronously with the coding convention method.
*/
public static class Factory implements AutoCloseable {
private final List<Runnable> callbacks = new ArrayList<>();
/** Makes a NominalTypeBuilder whose callbacks will be called on close. */
public NominalTypeBuilder builder(FunctionType constructor, ObjectType instance) {
return new NominalTypeBuilderOti(callbacks, constructor, instance);
}
@Override
public void close() {
for (Runnable callback : callbacks) {
callback.run();
}
}
}
private static class ObjectBuilderImpl implements ObjectBuilder {
final ObjectType object;
ObjectBuilderImpl(ObjectType object) {
this.object = checkNotNull(object);
}
@Override
public void declareProperty(String property, TypeI type, Node defSite) {
checkArgument(type instanceof JSType);
object.defineDeclaredProperty(property, (JSType) type, defSite);
}
@Override
public TypeI toTypeI() {
return object;
}
}
private final List<Runnable> callbacks;
private final ObjectBuilderImpl constructor;
private final ObjectBuilderImpl instance;
private final ObjectBuilderImpl prototype;
private NominalTypeBuilderOti(
List<Runnable> callbacks, FunctionType constructor, ObjectType instance) {
this.callbacks = callbacks;
this.constructor = new ObjectBuilderImpl(constructor);
this.instance = new ObjectBuilderImpl(instance);
this.prototype = new ObjectBuilderImpl(constructor.getPrototypeProperty());
}
@Override
public void beforeFreeze(Runnable task, NominalTypeBuilder... prerequisites) {
callbacks.add(task);
}
@Override
public NominalTypeBuilder superClass() {
FunctionType ctor = instance.object.getSuperClassConstructor();
if (ctor == null) {
return null;
}
return new NominalTypeBuilderOti(callbacks, ctor, ctor.getInstanceType());
}
@Override
public ObjectBuilder constructor() {
return constructor;
}
@Override
public ObjectBuilder instance() {
return instance;
}
@Override
public ObjectBuilder prototype() {
return prototype;
}
}