Пример #1
0
 @Override
 public Void visitImportDirective(DartImportDirective node) {
   DartLibrary library = compilationUnit.getLibrary();
   try {
     if (Objects.equal(compilationUnit, library.getDefiningCompilationUnit())) {
       DartImport[] imports = library.getImports();
       for (DartImport imprt : imports) {
         // on URI of library - return defining Unit of imported Library
         SourceRange uriRange = imprt.getUriRange();
         if (SourceRangeUtils.contains(uriRange, startOffset)) {
           resolvedElement = null;
           foundElement = imprt.getLibrary().getDefiningCompilationUnit();
           wordRegion = new Region(uriRange.getOffset(), uriRange.getLength());
           candidateRegion = new Region(0, 0);
           throw new DartElementFoundException();
         }
         // on #import directive - return DartImport element
         SourceRange sourceRange = imprt.getSourceRange();
         if (SourceRangeUtils.contains(sourceRange, startOffset)) {
           resolvedElement = null;
           foundElement = imprt;
           wordRegion = new Region(sourceRange.getOffset(), sourceRange.getLength());
           candidateRegion = new Region(sourceRange.getOffset(), sourceRange.getLength());
           throw new DartElementFoundException();
         }
       }
     }
   } catch (DartModelException e) {
     DartCore.logError("Cannot access imports of " + library.getElementName(), e);
   }
   return super.visitImportDirective(node);
 }
Пример #2
0
 @Override
 public Void visitIdentifier(DartIdentifier node) {
   if (foundElement == null) {
     int start = node.getSourceInfo().getOffset();
     int length = node.getSourceInfo().getLength();
     int end = start + length;
     if (start <= startOffset && endOffset <= end) {
       wordRegion = new Region(start, length);
       Element targetElement = DartAstUtilities.getElement(node, includeDeclarations);
       if (targetElement == null) {
         foundElement = null;
       } else {
         if (targetElement instanceof VariableElement) {
           VariableElement variableElement = (VariableElement) targetElement;
           resolvedElement = variableElement;
           if (variableElement.getKind() == ElementKind.PARAMETER
               || variableElement.getKind() == ElementKind.VARIABLE) {
             foundElement =
                 BindingUtils.getDartElement(compilationUnit.getLibrary(), variableElement);
             candidateRegion =
                 new Region(
                     variableElement.getNameLocation().getOffset(),
                     variableElement.getNameLocation().getLength());
           } else {
             foundElement = null;
           }
         } else {
           findElementFor(targetElement);
           // Import prefix is resolved into LibraryElement, so it is correct that corresponding
           // DartElement is DartLibrary, but this is not what we (and user) wants, because
           // it looses information. We want DartImport, it gives both DartLibrary and name.
           if (foundElement instanceof DartLibrary) {
             try {
               DartImport[] imports = compilationUnit.getLibrary().getImports();
               for (DartImport imprt : imports) {
                 if (Objects.equal(imprt.getLibrary(), foundElement)
                     && Objects.equal(imprt.getPrefix(), node.getName())) {
                   foundElement = imprt;
                   SourceRange range = imprt.getNameRange();
                   candidateRegion = new Region(range.getOffset(), range.getLength());
                 }
               }
             } catch (DartModelException e) {
               DartCore.logError("Cannot resolve import " + foundElement.getElementName(), e);
             }
           }
         }
       }
       throw new DartElementFoundException();
     }
   }
   return null;
 }