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.
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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
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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
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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: * Implements CsmForStatement statements
057: * @author Vladimir Kvashin
058: */
059: public class ForStatementImpl extends StatementBase implements
060: CsmForStatement {
061:
062: private StatementBase init;
063: private CsmCondition condition;
064: private ExpressionBase iteration;
065: private StatementBase body;
066: private boolean rendered = false;
067:
068: public ForStatementImpl(AST ast, CsmFile file, CsmScope scope) {
069: super (ast, file, scope);
070: }
071:
072: public CsmStatement.Kind getKind() {
073: return CsmStatement.Kind.FOR;
074: }
075:
076: public boolean isPostCheck() {
077: return true;
078: }
079:
080: public CsmExpression getIterationExpression() {
081: renderIfNeed();
082: return iteration;
083: }
084:
085: public CsmStatement getInitStatement() {
086: renderIfNeed();
087: return init;
088: }
089:
090: public CsmCondition getCondition() {
091: renderIfNeed();
092: return condition;
093: }
094:
095: public CsmStatement getBody() {
096: renderIfNeed();
097: return body;
098: }
099:
100: private void renderIfNeed() {
101: if (!rendered) {
102: rendered = true;
103: render();
104: }
105: }
106:
107: private void render() {
108:
109: AstRenderer renderer = new AstRenderer(
110: (FileImpl) getContainingFile());
111:
112: for (AST token = getAst().getFirstChild(); token != null; token = token
113: .getNextSibling()) {
114: switch (token.getType()) {
115: case CPPTokenTypes.CSM_FOR_INIT_STATEMENT:
116: AST child = token.getFirstChild();
117: if (child != null) {
118: switch (child.getType()) {
119: case CPPTokenTypes.SEMICOLON:
120: init = null;
121: break;
122: case CPPTokenTypes.CSM_TYPE_BUILTIN:
123: case CPPTokenTypes.CSM_TYPE_COMPOUND:
124: //renderer.renderVariable(token, null, null);
125: init = new DeclarationStatementImpl(token,
126: getContainingFile(),
127: ForStatementImpl.this );
128: break;
129: default:
130: if (AstRenderer.isExpression(child)) {
131: init = new ExpressionStatementImpl(token,
132: getContainingFile(),
133: ForStatementImpl.this );
134: }
135: break;
136: }
137: }
138: break;
139: case CPPTokenTypes.CSM_CONDITION:
140: condition = renderer.renderCondition(token, this );
141: break;
142: default:
143: if (AstRenderer.isStatement(token)) {
144: body = body = AstRenderer.renderStatement(token,
145: getContainingFile(), this );
146: } else if (AstRenderer.isExpression(token)) {
147: iteration = renderer.renderExpression(token,
148: ForStatementImpl.this );
149: }
150: }
151: }
152: }
153:
154: public Collection<CsmScopeElement> getScopeElements() {
155: //return DeepUtil.merge(getInitStatement(), getCondition(), getBody());
156: List<CsmScopeElement> l = new ArrayList<CsmScopeElement>();
157: CsmStatement stmt = getInitStatement();
158: if (stmt != null) {
159: l.add(stmt);
160: }
161: CsmCondition cond = getCondition();
162: if (cond != null) {
163: CsmVariable decl = cond.getDeclaration();
164: if (decl != null) {
165: l.add(decl);
166: }
167: }
168: stmt = getBody();
169: if (stmt != null) {
170: l.add(stmt);
171: }
172: return l;
173: }
174:
175: }
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