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
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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
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017: * particular file as subject to the "Classpath" exception as provided
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019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
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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
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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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037: * However, if you add GPL Version 2 code and therefore, elected the GPL
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040: */
041:
042: package org.netbeans.modules.cnd.modelimpl.csm;
043:
044: import antlr.collections.AST;
045: import java.io.DataInput;
046: import java.io.DataOutput;
047: import java.io.IOException;
048: import org.netbeans.modules.cnd.api.model.*;
049: import org.netbeans.modules.cnd.api.model.deep.*;
050:
051: import org.netbeans.modules.cnd.modelimpl.csm.core.*;
052: import org.netbeans.modules.cnd.modelimpl.debug.TraceFlags;
053: import org.netbeans.modules.cnd.modelimpl.uid.UIDCsmConverter;
054: import org.netbeans.modules.cnd.modelimpl.uid.UIDObjectFactory;
055: import org.netbeans.modules.cnd.utils.cache.CharSequenceKey;
056: import org.netbeans.modules.cnd.modelimpl.textcache.NameCache;
057:
058: /**
059: * CsmEnumerator implementation
060: * @author Vladimir Kvashin
061: */
062: public final class EnumeratorImpl extends
063: OffsetableDeclarationBase<CsmEnumerator> implements
064: CsmEnumerator {
065: private final CharSequence name;
066:
067: // only one of enumerationRef/enumerationUID must be used (USE_UID_TO_CONTAINER)
068: private/*final*/CsmEnum enumerationRef;// can be set in onDispose or contstructor only
069: private final CsmUID<CsmEnum> enumerationUID;
070:
071: public EnumeratorImpl(AST ast, EnumImpl enumeration) {
072: super (ast, enumeration.getContainingFile());
073: this .name = NameCache.getManager().getString(ast.getText());
074:
075: // set parent enum, do it in constructor to have final fields
076: this .enumerationUID = UIDCsmConverter
077: .declarationToUID((CsmEnum) enumeration);
078: this .enumerationRef = null;
079:
080: enumeration.addEnumerator(this );
081: }
082:
083: public CharSequence getName() {
084: return name;
085: }
086:
087: public CsmExpression getExplicitValue() {
088: return null;
089: }
090:
091: public CsmEnum getEnumeration() {
092: return _getEnumeration();
093: }
094:
095: public CsmScope getScope() {
096: return getEnumeration();
097: }
098:
099: public CsmDeclaration.Kind getKind() {
100: return CsmDeclaration.Kind.ENUMERATOR;
101: }
102:
103: public CharSequence getQualifiedName() {
104: return CharSequenceKey.create(_getEnumeration()
105: .getQualifiedName()
106: + "::" + getQualifiedNamePostfix()); // NOI18N
107: }
108:
109: private CsmEnum _getEnumeration() {
110: CsmEnum enumeration = this .enumerationRef;
111: if (enumeration == null) {
112: enumeration = UIDCsmConverter
113: .UIDtoDeclaration(this .enumerationUID);
114: assert (enumeration != null || this .enumerationUID == null) : "null object for UID "
115: + this .enumerationUID;
116: }
117: return enumeration;
118: }
119:
120: @Override
121: public void dispose() {
122: super .dispose();
123: onDispose();
124: }
125:
126: private void onDispose() {
127: if (TraceFlags.RESTORE_CONTAINER_FROM_UID) {
128: // restore container from it's UID
129: this .enumerationRef = UIDCsmConverter
130: .UIDtoDeclaration(this .enumerationUID);
131: assert this .enumerationRef != null
132: || this .enumerationUID == null : "no object for UID "
133: + this .enumerationUID;
134: }
135: }
136:
137: ////////////////////////////////////////////////////////////////////////////
138: // impl of SelfPersistent
139:
140: @Override
141: public void write(DataOutput output) throws IOException {
142: super .write(output);
143: assert this .name != null;
144: output.writeUTF(this .name.toString());
145:
146: // not null UID
147: assert this .enumerationUID != null;
148: UIDObjectFactory.getDefaultFactory().writeUID(
149: this .enumerationUID, output);
150: }
151:
152: public EnumeratorImpl(DataInput input) throws IOException {
153: super (input);
154: this .name = NameCache.getManager().getString(input.readUTF());
155: assert this .name != null;
156: this .enumerationUID = UIDObjectFactory.getDefaultFactory()
157: .readUID(input);
158: // not null UID
159: assert this.enumerationUID != null;
160: this.enumerationRef = null;
161: }
162: }
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