| /* |
| * 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.codehaus.groovy.ast.stmt; |
| |
| import org.codehaus.groovy.ast.GroovyCodeVisitor; |
| import org.codehaus.groovy.ast.VariableScope; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * A list of statements and a scope. |
| */ |
| public class BlockStatement extends Statement { |
| |
| private List<Statement> statements = new ArrayList<Statement>(); |
| private VariableScope scope; |
| |
| public BlockStatement() { |
| this(new ArrayList<Statement>(), new VariableScope()); |
| } |
| |
| /** |
| * Creates a BlockStatement with a scope and children statements. |
| * @param statements |
| * the statements. Do not pass null. If you do, no exception will occur, |
| * but a NullPointerException will eventually occur later. Also, a reference |
| * to the list is kept, so modifying the List later does effect this class. |
| * @param scope |
| * the scope |
| */ |
| public BlockStatement(List<Statement> statements, VariableScope scope) { |
| this.statements = statements; |
| this.scope = scope; |
| } |
| |
| /** |
| * Creates a BlockStatement with a scope and children statements. |
| * @param statements |
| * the statements, which cannot be null or an exception occurs. No reference |
| * to the array is held, so modifying the array later has no effect on this |
| * class. |
| * @param scope |
| * the scope |
| */ |
| public BlockStatement(Statement[] statements, VariableScope scope) { |
| this.statements.addAll(Arrays.asList(statements)); |
| this.scope = scope; |
| } |
| |
| public void visit(GroovyCodeVisitor visitor) { |
| visitor.visitBlockStatement(this); |
| } |
| |
| public List<Statement> getStatements() { |
| return statements; |
| } |
| |
| public void addStatement(Statement statement) { |
| statements.add(statement); |
| } |
| |
| public void addStatements(List<Statement> listOfStatements) { |
| statements.addAll(listOfStatements); |
| } |
| |
| public String toString() { |
| return super.toString() + statements; |
| } |
| |
| public String getText() { |
| StringBuilder buffer = new StringBuilder("{ "); |
| boolean first = true; |
| for (Statement statement : statements) { |
| if (first) { |
| first = false; |
| } |
| else { |
| buffer.append("; "); |
| } |
| buffer.append(statement.getText()); |
| } |
| buffer.append(" }"); |
| return buffer.toString(); |
| } |
| |
| public boolean isEmpty() { |
| return statements.isEmpty(); |
| } |
| |
| public void setVariableScope(VariableScope scope) { |
| this.scope = scope; |
| } |
| |
| public VariableScope getVariableScope() { |
| return scope; |
| } |
| } |