| /******************************************************************************* |
| * Copyright (c) 2009 xored software, Inc. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * xored software, Inc. - initial API and Implementation (Vladimir Belov) |
| *******************************************************************************/ |
| |
| package org.eclipse.dltk.javascript.ast; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.dltk.ast.ASTNode; |
| import org.eclipse.dltk.ast.ASTVisitor; |
| import org.eclipse.dltk.javascript.internal.parser.JSLiterals; |
| |
| /** |
| * This class extends expression only to allow usage as initial expression in |
| * "for(;;)" loop statement. It should be solved differently. |
| */ |
| public class VariableStatement extends Expression implements |
| IVariableStatement, Documentable { |
| |
| private Keyword varKeyword; |
| private final List<VariableDeclaration> variables = new ArrayList<VariableDeclaration>(); |
| private Comment documentation; |
| |
| public VariableStatement(JSNode parent) { |
| super(parent); |
| } |
| |
| /** |
| * @see org.eclipse.dltk.ast.ASTNode#traverse(org.eclipse.dltk.ast.ASTVisitor) |
| */ |
| @Override |
| public void traverse(ASTVisitor visitor) throws Exception { |
| if (visitor.visit(this)) { |
| if (varKeyword != null) { |
| varKeyword.traverse(visitor); |
| } |
| for (ASTNode node : variables) { |
| node.traverse(visitor); |
| } |
| visitor.endvisit(this); |
| } |
| } |
| |
| public List<VariableDeclaration> getVariables() { |
| return this.variables; |
| } |
| |
| public void addVariable(VariableDeclaration declaration) { |
| this.variables.add(declaration); |
| } |
| |
| public Keyword getVarKeyword() { |
| return this.varKeyword; |
| } |
| |
| public void setVarKeyword(Keyword keyword) { |
| this.varKeyword = keyword; |
| } |
| |
| @Override |
| public String toSourceString(String indentationString) { |
| |
| Assert.isTrue(sourceStart() >= 0); |
| Assert.isTrue(sourceEnd() > 0); |
| |
| StringBuffer buffer = new StringBuffer(); |
| |
| buffer.append(Keywords.VAR); |
| buffer.append(JSLiterals.SPACE); |
| |
| for (int i = 0; i < variables.size(); i++) { |
| if (i > 0) |
| buffer.append(", "); |
| |
| buffer.append(variables.get(i).toSourceString(indentationString)); |
| } |
| |
| return buffer.toString(); |
| } |
| |
| @Override |
| public Comment getDocumentation() { |
| return documentation; |
| } |
| |
| public void setDocumentation(Comment documentation) { |
| this.documentation = documentation; |
| } |
| |
| } |