com.google.gwt.dev.js.ast.JsNode 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.js.ast;
import com.google.gwt.dev.jjs.HasSourceInfo;
import com.google.gwt.dev.jjs.SourceInfo;
import com.google.gwt.dev.js.JsSourceGenerationVisitor;
import com.google.gwt.dev.js.JsToStringGenerationVisitor;
import com.google.gwt.dev.util.DefaultTextOutput;
import java.io.Serializable;
/**
* Base class for all JS AST elements.
*/
public abstract class JsNode implements JsVisitable, HasSourceInfo, Serializable {
private SourceInfo sourceInfo;
protected JsNode(SourceInfo sourceInfo) {
assert sourceInfo != null : "SourceInfo must be provided for JsNodes";
this.sourceInfo = sourceInfo;
}
public abstract NodeKind getKind();
@Override
public SourceInfo getSourceInfo() {
return sourceInfo;
}
public void setSourceInfo(SourceInfo info) {
assert this.sourceInfo.getOrigin() == info.getOrigin();
this.sourceInfo = info;
}
/**
* Returns a source code representation of the node using short identifiers.
*/
public final String toSource() {
return toSource(false);
}
/**
* Returns a source code representation of the node using short or long identifiers.
*
* @param useLongIdents if true, emit all identifiers in long form
*/
public final String toSource(boolean useLongIdents) {
DefaultTextOutput out = new DefaultTextOutput(false);
JsSourceGenerationVisitor v = new JsSourceGenerationVisitor(out, useLongIdents);
v.accept(this);
return out.toString();
}
/**
* Causes source generation to delegate to the one visitor.
*/
@Override
public final String toString() {
DefaultTextOutput out = new DefaultTextOutput(false);
JsToStringGenerationVisitor v = new JsToStringGenerationVisitor(out);
v.accept(this);
return out.toString();
}
}