| /* |
| $Id$ |
| |
| Copyright 2005 (C) Jeremy Rayner. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| package org.codehaus.groovy.antlr.treewalker; |
| |
| import org.codehaus.groovy.antlr.GroovySourceAST; |
| import org.codehaus.groovy.antlr.AntlrSourceSummary; |
| import org.codehaus.groovy.antlr.syntax.AntlrClassSource; |
| import org.codehaus.groovy.antlr.parser.GroovyTokenTypes; |
| import org.codehaus.groovy.syntax.ClassSource; |
| import org.codehaus.groovy.syntax.SourceSummary; |
| |
| import java.util.Stack; |
| |
| /** |
| * A visitor for the antlr ast that creates a summary of the parsed source unit |
| * |
| * @author Jeremy Rayner |
| */ |
| public class SummaryCollector extends VisitorAdapter { |
| private SourceSummary sourceSummary; |
| private Stack stack; |
| |
| public SourceSummary getSourceSummary() { |
| return sourceSummary; |
| } |
| |
| public SummaryCollector() { |
| sourceSummary = new AntlrSourceSummary(); |
| stack = new Stack(); |
| } |
| |
| public void setUp() { |
| } |
| |
| public void visitClassDef(GroovySourceAST t, int visit) { |
| if (visit == OPENING_VISIT) { |
| ClassSource classSource = new AntlrClassSource( |
| t.childOfType(GroovyTokenTypes.IDENT).getText(),t |
| ); |
| // Here we assume that the optional restrictions (JLS$7.6) |
| // on compilation units in file-based implementations apply |
| // http://java.sun.com/docs/books/jls/second_edition/html/packages.doc.html#26783 |
| GroovySourceAST modifiers = t.childOfType(GroovyTokenTypes.MODIFIERS); |
| |
| if (isPublic(modifiers)) { |
| sourceSummary.addPublic(classSource); |
| } |
| } |
| } |
| |
| /* figue out if this modifier node represents a public entity */ |
| private boolean isPublic(GroovySourceAST modifiers) { |
| boolean isPublic = true; |
| if (modifiers != null) { |
| GroovySourceAST modprot = modifiers.childOfType(GroovyTokenTypes.LITERAL_protected); |
| GroovySourceAST modpriv = modifiers.childOfType(GroovyTokenTypes.LITERAL_private); |
| if (modpriv != null || modprot != null) { |
| isPublic = false; |
| } |
| } |
| return isPublic; |
| } |
| |
| public void tearDown() { |
| } |
| |
| public void push(GroovySourceAST t) { |
| stack.push(t); |
| } |
| public GroovySourceAST pop() { |
| if (!stack.empty()) { |
| return (GroovySourceAST) stack.pop(); |
| } |
| return null; |
| } |
| |
| } |