// Copyright (C) 2005 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.caja.parser.js;
import com.google.caja.lexer.FilePosition;
import com.google.caja.lexer.TokenConsumer;
import com.google.caja.reporting.RenderContext;
import java.util.List;
/**
* Sometimes called an array literal, a shorthand for initializing an array.
*
* @author mikesamuel@gmail.com
*/
public final class ArrayConstructor extends AbstractExpression {
private static final long serialVersionUID = 8714728842332999365L;
/** @param value unused. This ctor is provided for reflection. */
@ReflectiveCtor
public ArrayConstructor(
FilePosition pos, Void value, List<? extends Expression> children) {
this(pos, children);
}
public ArrayConstructor(
FilePosition pos, List<? extends Expression> elements) {
super(pos, Expression.class);
createMutation().appendChildren(elements).execute();
}
@Override
public Object getValue() { return null; }
@Override
public List<? extends Expression> children() {
return childrenAs(Expression.class);
}
@Override
public Boolean conditionResult() { return true; }
public void render(RenderContext rc) {
TokenConsumer out = rc.getOut();
FilePosition pos = getFilePosition();
out.mark(pos);
out.consume("[");
Expression last = null;
for (Expression e : children()) {
if (last != null) {
out.consume(",");
}
last = e;
if (!Operation.is(e, Operator.COMMA)) {
if (!(e instanceof Elision)) {
e.render(rc);
}
} else {
out.consume("(");
e.render(rc);
out.consume(")");
}
}
out.mark(FilePosition.endOfOrNull(pos));
out.consume("]");
}
public String typeOf() { return "object"; }
}