| /* |
| $Id$ |
| |
| Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| package org.codehaus.groovy.ast.expr; |
| |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.ast.GroovyCodeVisitor; |
| |
| /** |
| * Represents an array object construction either using a fixed size |
| * or an initializer expression |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class ArrayExpression extends Expression { |
| private List expressions; |
| private List sizeExpression; |
| |
| private ClassNode elementType; |
| |
| private static ClassNode makeArray(ClassNode base, List sizeExpression) { |
| ClassNode ret = base.makeArray(); |
| if (sizeExpression==null) return ret; |
| int size = sizeExpression.size(); |
| for (int i=1; i<size; i++) { |
| ret = ret.makeArray(); |
| } |
| return ret; |
| } |
| |
| public ArrayExpression(ClassNode elementType, List expressions, List sizeExpression) { |
| //expect to get the elementType |
| super.setType(makeArray(elementType,sizeExpression)); |
| if (expressions==null) expressions=Collections.EMPTY_LIST; |
| this.elementType = elementType; |
| this.expressions = expressions; |
| this.sizeExpression = sizeExpression; |
| |
| for (Iterator iter = expressions.iterator(); iter.hasNext();) { |
| Object item = iter.next(); |
| if (item!=null && !(item instanceof Expression)) { |
| throw new ClassCastException("Item: " + item + " is not an Expression"); |
| } |
| } |
| if (sizeExpression!=null) { |
| for (Iterator iter = sizeExpression.iterator(); iter.hasNext();) { |
| Object item = iter.next(); |
| if (!(item instanceof Expression)) { |
| throw new ClassCastException("Item: " + item + " is not an Expression"); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Creates an array using an initializer expression |
| */ |
| public ArrayExpression(ClassNode elementType, List expressions) { |
| this(elementType,expressions,null); |
| } |
| |
| public void addExpression(Expression expression) { |
| expressions.add(expression); |
| } |
| |
| public List getExpressions() { |
| return expressions; |
| } |
| |
| public void visit(GroovyCodeVisitor visitor) { |
| visitor.visitArrayExpression(this); |
| } |
| |
| public boolean isDynamic() { |
| return false; |
| } |
| |
| public Expression transformExpression(ExpressionTransformer transformer) { |
| List exprList = transformExpressions(expressions, transformer); |
| List sizes = null; |
| if (sizeExpression!=null) sizes = transformExpressions(sizeExpression,transformer); |
| Expression ret = new ArrayExpression(elementType, exprList, sizes); |
| ret.setSourcePosition(this); |
| return ret; |
| } |
| |
| public Expression getExpression(int i) { |
| Object object = expressions.get(i); |
| return (Expression) object; |
| } |
| |
| public ClassNode getElementType() { |
| return elementType; |
| } |
| |
| public String getText() { |
| StringBuffer buffer = new StringBuffer("["); |
| boolean first = true; |
| for (Iterator iter = expressions.iterator(); iter.hasNext();) { |
| if (first) { |
| first = false; |
| } |
| else { |
| buffer.append(", "); |
| } |
| |
| buffer.append(((Expression) iter.next()).getText()); |
| } |
| buffer.append("]"); |
| return buffer.toString(); |
| } |
| |
| public List getSizeExpression() { |
| return sizeExpression; |
| } |
| |
| public String toString() { |
| return super.toString() + expressions; |
| } |
| } |