/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.uima.ruta.ide.parser.ast;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.dltk.ast.ASTNode;
import org.eclipse.dltk.ast.ASTVisitor;
import org.eclipse.dltk.ast.expressions.Expression;
import org.eclipse.dltk.ast.statements.StatementConstants;
import org.eclipse.dltk.utils.CorePrinter;
public class RutaExpressionList extends Expression {
private List<Expression> expressions;
/**
* Statement with bounds from first to last expression.
*
* @param expressions
*/
public RutaExpressionList(List<Expression> expressions) {
if (!expressions.isEmpty()) {
// First
Expression first = expressions.get(0);
if (first != null) {
this.setStart(first.sourceStart());
}
// Last
Expression last = expressions.get(expressions.size() - 1);
if (last != null) {
this.setEnd(last.sourceEnd());
}
}
this.expressions = expressions;
}
/**
* Statement with specified bounds and expression list.
*
* @param start
* @param end
* @param expressions
*/
public RutaExpressionList(int start, int end, List<Expression> expressions) {
super(start, end);
if (expressions == null) {
this.expressions = new ArrayList<Expression>();
} else {
this.expressions = expressions;
}
}
public List<Expression> getExpressions() {
return this.expressions;
}
public Expression getAt(int index) {
if (index >= 0 && index < this.expressions.size()) {
return this.expressions.get(index);
}
return null;
}
public int getCount() {
return this.expressions.size();
}
@Override
public int getKind() {
return StatementConstants.S_BLOCK;
}
@Override
public void traverse(ASTVisitor visitor) throws Exception {
if (visitor.visit(this)) {
if (this.expressions != null) {
for (int i = 0; i < this.expressions.size(); i++) {
ASTNode node = this.expressions.get(i);
if (node != null) {
node.traverse(visitor);
}
}
}
visitor.endvisit(this);
}
}
@Override
public void printNode(CorePrinter output) {
if (this.expressions != null) {
output.formatPrintLn("");
Iterator i = this.expressions.iterator();
while (i.hasNext()) {
ASTNode node = (ASTNode) i.next();
node.printNode(output);
output.formatPrintLn(" ");
}
}
}
@Override
public String toString() {
String value = "";
if (this.expressions != null) {
Iterator i = this.expressions.iterator();
while (i.hasNext()) {
ASTNode node = (ASTNode) i.next();
value += node.toString();
value += " ";
}
}
return value;
}
public void setExpressions(List<Expression> asList) {
if (asList != null) {
this.expressions = asList;
}
}
}