com.google.gwt.dev.jjs.ast.JLongLiteral Maven / Gradle / Ivy
/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.dev.jjs.ast;
import com.google.gwt.dev.jjs.SourceInfo;
import com.google.gwt.dev.jjs.SourceOrigin;
/**
* Java literal expression that evaluates to a Long.
*/
public class JLongLiteral extends JValueLiteral {
public static final JLongLiteral ZERO = new JLongLiteral(SourceOrigin.UNKNOWN, 0L);
public static JLongLiteral get(long value) {
return (value == 0) ? ZERO : new JLongLiteral(SourceOrigin.UNKNOWN, value);
}
private final long value;
public JLongLiteral(SourceInfo sourceInfo, long value) {
super(sourceInfo);
this.value = value;
}
@Override
public JValueLiteral cloneFrom(JValueLiteral value) {
Object valueObj = value.getValueObj();
if (valueObj instanceof Character) {
Character character = (Character) valueObj;
return new JLongLiteral(value.getSourceInfo(), character.charValue());
} else if (valueObj instanceof Number) {
Number number = (Number) valueObj;
return new JLongLiteral(value.getSourceInfo(), number.longValue());
}
return null;
}
public JType getType() {
return JPrimitiveType.LONG;
}
public long getValue() {
return value;
}
@Override
public Object getValueObj() {
return Long.valueOf(value);
}
public void traverse(JVisitor visitor, Context ctx) {
if (visitor.visit(this, ctx)) {
}
visitor.endVisit(this, ctx);
}
private Object readResolve() {
return (value == 0L) ? ZERO : this;
}
}