[news.eclipse.tools.emf] Re: JMerge customization

[Ed Merks <Ed.Merks@xxxxxxxxx>]

Timothy,

Try setting a breakpoint in ASTFacadeHelper.analyzeCompilationUnit and 
see what IProblems are reported.  Perhaps you're generating code with 
syntax errors?


Timothy Marc wrote:
> Dear Marcelo,
>
> okay, so here is my first question. Before, i tell you, what i planned with 
> Jmerge to do:
>
> I want to reuse the JAST from JMerge, for manual analyzation of a Java file. 
> I didn't want to create Target/SourceCompilationUnit, because i didn't want 
> to use the JMerge algorithm for merging. All i need is a JCompilationUnit, 
> which i can traverse like i've mentioned in the snippet below within the 
> for-loop. Therefore, i used the following code snippet:
>
> final File f = new 
> File("F:/TFH/SE/de.freundwendland.tfh.se.JMergeCodeGeneration/src/jmerge/importWizards/ImportWizardPage.java");
> final File rules = new 
> File("F:/TFH/SE/de.freundwendland.tfh.se.JMergeCodeGeneration/mergeRules.xml");
> JControlModel model = new JControlModel();
> ASTFacadeHelper helper = new ASTFacadeHelper();
> model.initialize(helper, rules.toURI().toString());
> JMerger merger = new JMerger(model);
> JCompilationUnit unit = 
> merger.createCompilationUnitForURI(f.toURI().toString()); //causes an 
> exception
> ASTJCompilationUnit junit = helper.createCompilationUnit("Test", 
> unit.getContents());
> for(final JNode o:junit.getChildren()){
>     if(o instanceof JMethod){
>         System.out.println(o.getQualifiedName());
>     }
> }
>
> Nothing unusual, as i think. But the process fails with the following, nut 
> interpretable error message for me:
> org.eclipse.emf.common.util.WrappedException: 
> org.eclipse.emf.common.util.DiagnosticException: A problem was detected 
> while parsing a Java file
>
> at 
> org.eclipse.emf.codegen.merge.java.facade.ast.ASTFacadeHelper.createCompilationUnit(ASTFacadeHelper.java:282)
>
> at 
> org.eclipse.emf.codegen.merge.java.facade.ast.ASTFacadeHelper.createCompilationUnit(ASTFacadeHelper.java:1)
>
> at 
> org.eclipse.emf.codegen.merge.java.JMerger.createCompilationUnitForURI(JMerger.java:368)
>
> at 
> org.eclipse.emf.codegen.merge.java.JMerger.createCompilationUnitForURI(JMerger.java:343)
>
>
> So, does anyone or you know, why that happens? I've introspect the related 
> codeline in the createCompilationUnit... method, but didn't get it.
>
> Thx
> Timothy 
>
>
>