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: } else {
108: buffer.append("; ");
109: }
110: Statement statement = (Statement) iter.next();
111: buffer.append(statement.getText());
112: }
113: buffer.append(" }");
114: return buffer.toString();
115: }
116:
117: public boolean isEmpty() {
118: return statements.isEmpty();
119: }
120:
121: public void setVariableScope(VariableScope scope) {
122: this .scope = scope;
123: }
124:
125: public VariableScope getVariableScope() {
126: return scope;
127: }
128: }
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