001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.cnd.modelimpl.csm.deep;
043:
044: import java.util.*;
045:
046: import org.netbeans.modules.cnd.api.model.*;
047: import org.netbeans.modules.cnd.api.model.deep.*;
048:
049: import org.netbeans.modules.cnd.modelimpl.csm.*;
050: import org.netbeans.modules.cnd.modelimpl.csm.core.*;
051:
052: import antlr.collections.AST;
053: import org.netbeans.modules.cnd.modelimpl.parser.generated.CPPTokenTypes;
054:
055: /**
056: * Common base for for/while statements implementation
057: * @author Vladimir Kvashin
058: */
059: public class LoopStatementImpl extends StatementBase implements
060: CsmLoopStatement {
061:
062: private CsmCondition condition;
063: private CsmStatement body;
064: private boolean postCheck;
065:
066: public LoopStatementImpl(AST ast, CsmFile file, boolean postCheck,
067: CsmScope scope) {
068: super (ast, file, scope);
069: this .postCheck = postCheck;
070: }
071:
072: public CsmCondition getCondition() {
073: renderIfNeed();
074: return condition;
075: }
076:
077: public CsmStatement getBody() {
078: renderIfNeed();
079: return body;
080: }
081:
082: public boolean isPostCheck() {
083: return postCheck;
084: }
085:
086: public CsmStatement.Kind getKind() {
087: return CsmStatement.Kind.WHILE;
088: }
089:
090: private void renderIfNeed() {
091: if (condition == null) {
092: render();
093: }
094: }
095:
096: private void render() {
097: AstRenderer renderer = new AstRenderer(
098: (FileImpl) getContainingFile());
099: for (AST token = getAst().getFirstChild(); token != null; token = token
100: .getNextSibling()) {
101: int type = token.getType();
102: if (type == CPPTokenTypes.CSM_CONDITION) {
103: condition = renderer.renderCondition(token, this );
104: } else if (AstRenderer.isExpression(type)) {
105: condition = new ConditionExpressionImpl(token,
106: getContainingFile(), this );
107: } else if (AstRenderer.isStatement(type)) {
108: body = AstRenderer.renderStatement(token,
109: getContainingFile(), this );
110: }
111: }
112: }
113:
114: public Collection<CsmScopeElement> getScopeElements() {
115: return DeepUtil.merge(getCondition(), getBody());
116: }
117:
118: }
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