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46 package org.codehaus.groovy.ast.stmt;
47
48 import java.util.ArrayList;
49 import java.util.Arrays;
50 import java.util.Iterator;
51 import java.util.List;
52
53 import org.codehaus.groovy.ast.GroovyCodeVisitor;
54 import org.codehaus.groovy.ast.VariableScope;
55
56 /***
57 * A list of statements
58 *
59 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
60 * @version $Revision: 1.7 $
61 */
62 public class BlockStatement extends Statement {
63
64 private List statements = new ArrayList();
65 private VariableScope scope;
66
67 public BlockStatement() {
68 this(new ArrayList(), new VariableScope());
69 }
70
71 public BlockStatement(List statements, VariableScope scope) {
72 this.statements = statements;
73 this.scope = scope;
74 }
75
76 public BlockStatement(Statement[] statements, VariableScope scope) {
77 this.statements.addAll(Arrays.asList(statements));
78 this.scope = scope;
79 }
80
81 public void visit(GroovyCodeVisitor visitor) {
82 visitor.visitBlockStatement(this);
83 }
84
85 public List getStatements() {
86 return statements;
87 }
88
89 public void addStatement(Statement statement) {
90 statements.add(statement);
91 }
92
93 public void addStatements(List listOfStatements) {
94 statements.addAll(listOfStatements);
95 }
96
97 public String toString() {
98 return super.toString() + statements;
99 }
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 }