Ejemplo n.º 1
0
    @Override
    public void visitElement(PsiElement element) {
      super.visitElement(element);

      final EquivalenceDescriptorProvider descriptorProvider =
          EquivalenceDescriptorProvider.getInstance(element);

      if (descriptorProvider != null) {
        final EquivalenceDescriptor descriptor1 = descriptorProvider.buildDescriptor(element);
        final EquivalenceDescriptor descriptor2 =
            descriptorProvider.buildDescriptor(myGlobalVisitor.getElement());

        if (descriptor1 != null && descriptor2 != null) {
          final boolean result =
              DuplocatorUtil.match(
                  descriptor1,
                  descriptor2,
                  myGlobalVisitor,
                  Collections.<PsiElementRole>emptySet(),
                  null);
          myGlobalVisitor.setResult(result);
          return;
        }
      }

      if (isLiteral(element)) {
        visitLiteral(element);
        return;
      }

      if (canBePatternVariable(element)
          && myGlobalVisitor.getMatchContext().getPattern().isRealTypedVar(element)
          && !shouldIgnoreVarNode(element)) {

        PsiElement matchedElement = myGlobalVisitor.getElement();
        PsiElement newElement = SkippingHandler.skipNodeIfNeccessary(matchedElement);
        while (newElement != matchedElement) {
          matchedElement = newElement;
          newElement = SkippingHandler.skipNodeIfNeccessary(matchedElement);
        }

        myGlobalVisitor.setResult(myGlobalVisitor.handleTypedElement(element, matchedElement));
      } else if (element instanceof LeafElement) {
        myGlobalVisitor.setResult(element.getText().equals(myGlobalVisitor.getElement().getText()));
      } else if (element.getFirstChild() == null && element.getTextLength() == 0) {
        myGlobalVisitor.setResult(true);
      } else {
        PsiElement patternChild = element.getFirstChild();
        PsiElement matchedChild = myGlobalVisitor.getElement().getFirstChild();

        FilteringNodeIterator patternIterator = new SsrFilteringNodeIterator(patternChild);
        FilteringNodeIterator matchedIterator = new SsrFilteringNodeIterator(matchedChild);

        boolean matched = myGlobalVisitor.matchSequentially(patternIterator, matchedIterator);
        myGlobalVisitor.setResult(matched);
      }
    }
Ejemplo n.º 2
0
 private boolean shouldIgnoreVarNode(PsiElement element) {
   MatchingHandler handler =
       myGlobalVisitor.getMatchContext().getPattern().getHandlerSimple(element);
   if (handler instanceof DelegatingHandler) {
     handler = ((DelegatingHandler) handler).getDelegate();
   }
   return handler instanceof MySubstitutionHandler
       && ((MySubstitutionHandler) handler).myExceptedNodes.contains(element);
 }
Ejemplo n.º 3
0
    public void visitLiteral(PsiElement literal) {
      final PsiElement l2 = myGlobalVisitor.getElement();

      MatchingHandler handler = (MatchingHandler) literal.getUserData(CompiledPattern.HANDLER_KEY);

      if (handler instanceof SubstitutionHandler) {
        int offset = 0;
        int length = l2.getTextLength();
        final String text = l2.getText();

        if (length > 2 && (text.charAt(0) == '"' && text.charAt(length - 1) == '"')
            || (text.charAt(0) == '\'' && text.charAt(length - 1) == '\'')) {
          length--;
          offset++;
        }
        myGlobalVisitor.setResult(
            ((SubstitutionHandler) handler)
                .handle(l2, offset, length, myGlobalVisitor.getMatchContext()));
      } else if (handler != null) {
        myGlobalVisitor.setResult(handler.match(literal, l2, myGlobalVisitor.getMatchContext()));
      } else {
        myGlobalVisitor.setResult(literal.textMatches(l2));
      }
    }