001 /*
002 $Id: BlockStatement.java 3419 2006-01-19 00:07:02Z blackdrag $
003
004 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005
006 Redistribution and use of this software and associated documentation
007 ("Software"), with or without modification, are permitted provided
008 that the following conditions are met:
009
010 1. Redistributions of source code must retain copyright
011 statements and notices. Redistributions must also contain a
012 copy of this document.
013
014 2. Redistributions in binary form must reproduce the
015 above copyright notice, this list of conditions and the
016 following disclaimer in the documentation and/or other
017 materials provided with the distribution.
018
019 3. The name "groovy" must not be used to endorse or promote
020 products derived from this Software without prior written
021 permission of The Codehaus. For written permission,
022 please contact info@codehaus.org.
023
024 4. Products derived from this Software may not be called "groovy"
025 nor may "groovy" appear in their names without prior written
026 permission of The Codehaus. "groovy" is a registered
027 trademark of The Codehaus.
028
029 5. Due credit should be given to The Codehaus -
030 http://groovy.codehaus.org/
031
032 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
036 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043 OF THE POSSIBILITY OF SUCH DAMAGE.
044
045 */
046 package org.codehaus.groovy.ast.stmt;
047
048 import java.util.ArrayList;
049 import java.util.Arrays;
050 import java.util.Iterator;
051 import java.util.List;
052
053 import org.codehaus.groovy.ast.GroovyCodeVisitor;
054 import org.codehaus.groovy.ast.VariableScope;
055
056 /**
057 * A list of statements
058 *
059 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
060 * @version $Revision: 3419 $
061 */
062 public class BlockStatement extends Statement {
063
064 private List statements = new ArrayList();
065 private VariableScope scope;
066
067 public BlockStatement() {
068 this(new ArrayList(), new VariableScope());
069 }
070
071 public BlockStatement(List statements, VariableScope scope) {
072 this.statements = statements;
073 this.scope = scope;
074 }
075
076 public BlockStatement(Statement[] statements, VariableScope scope) {
077 this.statements.addAll(Arrays.asList(statements));
078 this.scope = scope;
079 }
080
081 public void visit(GroovyCodeVisitor visitor) {
082 visitor.visitBlockStatement(this);
083 }
084
085 public List getStatements() {
086 return statements;
087 }
088
089 public void addStatement(Statement statement) {
090 statements.add(statement);
091 }
092
093 public void addStatements(List listOfStatements) {
094 statements.addAll(listOfStatements);
095 }
096
097 public String toString() {
098 return super.toString() + statements;
099 }
100
101 public String getText() {
102 StringBuffer buffer = new StringBuffer("{ ");
103 boolean first = true;
104 for (Iterator iter = statements.iterator(); iter.hasNext(); ) {
105 if (first) {
106 first = false;
107 }
108 else {
109 buffer.append("; ");
110 }
111 Statement statement = (Statement) iter.next();
112 buffer.append(statement.getText());
113 }
114 buffer.append(" }");
115 return buffer.toString();
116 }
117
118 public boolean isEmpty() {
119 return statements.isEmpty();
120 }
121
122 public void setVariableScope(VariableScope scope) {
123 this.scope = scope;
124 }
125
126 public VariableScope getVariableScope() {
127 return scope;
128 }
129 }