com.google.gwt.dev.jjs.ast.JVariable 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.util.StringInterner;
/**
* Base class for any storage location.
*/
public abstract class JVariable extends JNode implements CanBeSetFinal, CanHaveInitializer,
HasName, HasType {
protected JDeclarationStatement declStmt = null;
private boolean isFinal;
private final String name;
private JType type;
JVariable(SourceInfo info, String name, JType type, boolean isFinal) {
super(info);
assert type != null;
this.name = StringInterner.get().intern(name);
this.type = type;
this.isFinal = isFinal;
}
public JLiteral getConstInitializer() {
JExpression initializer = getInitializer();
if (isFinal() && initializer instanceof JLiteral) {
return (JLiteral) initializer;
}
return null;
}
public JDeclarationStatement getDeclarationStatement() {
return declStmt;
}
public JExpression getInitializer() {
if (declStmt != null) {
return declStmt.getInitializer();
}
return null;
}
public String getName() {
return name;
}
public JType getType() {
return type;
}
public boolean hasInitializer() {
return declStmt != null;
}
public boolean isFinal() {
return isFinal;
}
public void setFinal() {
isFinal = true;
}
public void setType(JType newType) {
assert newType != null;
type = newType;
}
}