Esempio n. 1
0
  public static String parseQualifiedIdentifier(Node node) {
    final String[] qualifiedIdentifier = {null};
    node.apply(
        new DepthFirstAdapter() {
          @Override
          public void caseAQualifiedIdentifier(AQualifiedIdentifier node) {
            if (qualifiedIdentifier[0] != null)
              // avoid processing multiple QIs
              return;
            qualifiedIdentifier[0] = "";
            super.caseAQualifiedIdentifier(node);
          }

          public final void caseAQualifiedIdentifierBase(AQualifiedIdentifierBase node) {
            Assert.isTrue(qualifiedIdentifier[0] != null);
            qualifiedIdentifier[0] += Util.stripEscaping(node.getIdentifier().getText());
            super.caseAQualifiedIdentifierBase(node);
          }

          public final void caseAQualifiedIdentifierTail(AQualifiedIdentifierTail node) {
            Assert.isTrue(qualifiedIdentifier[0] != null);
            qualifiedIdentifier[0] += NamedElement.SEPARATOR;
            super.caseAQualifiedIdentifierTail(node);
          }
        });
    Assert.isNotNull(qualifiedIdentifier[0]);
    return qualifiedIdentifier[0];
  }
Esempio n. 2
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  protected ValueSpecification parseLiteralValue(Node node) {
    final ValueSpecification[] result = {null};
    node.apply(
        new DepthFirstAdapter() {

          @Override
          public void caseTFalse(TFalse node) {
            final Classifier booleanType = findBuiltInType("Boolean", node);
            result[0] =
                MDDExtensionUtils.buildBasicValue(
                    namespaceTracker.currentPackage(), booleanType, Boolean.FALSE.toString());
          }

          @Override
          public void caseTInteger(TInteger node) {
            final Classifier integerType = findBuiltInType("Integer", node);
            result[0] =
                MDDExtensionUtils.buildBasicValue(
                    namespaceTracker.currentPackage(), integerType, node.getText());
          }

          @Override
          public void caseTNull(TNull node) {
            result[0] = MDDUtil.createLiteralNull(namespaceTracker.currentPackage());
            result[0].setType(findBuiltInType(TypeUtils.NULL_TYPE, node));
          }

          @Override
          public void caseTReal(TReal node) {
            final Classifier doubleType = findBuiltInType("Double", node);
            result[0] =
                MDDExtensionUtils.buildBasicValue(
                    namespaceTracker.currentPackage(), doubleType, node.getText());
          }

          @Override
          public void caseTString(TString node) {
            final Classifier stringType = findBuiltInType("String", node);
            String text = node.getText();
            result[0] =
                MDDExtensionUtils.buildBasicValue(
                    namespaceTracker.currentPackage(),
                    stringType,
                    text.substring(1, text.length() - 1));
          }

          @Override
          public void caseTTrue(TTrue node) {
            final Classifier booleanType = findBuiltInType("Boolean", node);
            result[0] =
                MDDExtensionUtils.buildBasicValue(
                    namespaceTracker.currentPackage(), booleanType, Boolean.TRUE.toString());
          }
        });
    return result[0];
  }
Esempio n. 3
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 /**
  * Returns the last token found in the given tree or <code>null</code> if none is found (an empty
  * production).
  *
  * @return a token, or <code>null</code>
  */
 public static Token findToken(Node node) {
   if (node == null) return null;
   final Token[] found = {null};
   node.apply(
       new DepthFirstAdapter() {
         public void defaultCase(Node node) {
           if (node instanceof Token) found[0] = (Token) node;
         }
       });
   return found[0];
 }
Esempio n. 4
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 public static String parseIdentifier(Node node) {
   if (node == null) return null;
   final String[] identifier = {null};
   node.apply(
       new DepthFirstAdapter() {
         public void caseTIdentifier(TIdentifier node) {
           // ignore other identifiers under the given node
           if (identifier[0] == null) identifier[0] = Util.stripEscaping(node.getText());
         }
       });
   return identifier[0];
 }
Esempio n. 5
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 public static <T extends Node> T findChild(Node node, final Class<T> required) {
   if (node == null) return null;
   try {
     node.apply(
         new DepthFirstAdapter() {
           @Override
           public void defaultIn(Node node) {
             if (required.isInstance(node))
               // we found it!
               throw new NodeFoundTrap(node);
           }
         });
   } catch (NodeFoundTrap t) {
     return (T) t.getFound();
   }
   return null;
 }
Esempio n. 6
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 protected ValueSpecification parseValueSpecification(Node node, final Type expectedType) {
   ValueSpecification asLiteralValue = parseLiteralValue(node);
   if (asLiteralValue != null) return asLiteralValue;
   final ValueSpecification[] result = {null};
   if (!(expectedType instanceof Enumeration)) {
     problemBuilder.addError("Enumeration literal expected ", node);
     throw new AbortedStatementCompilationException();
   }
   node.apply(
       new DepthFirstAdapter() {
         @Override
         public void caseTIdentifier(TIdentifier node) {
           String literalName = node.getText().trim();
           Enumeration targetEnumeration = (Enumeration) expectedType;
           EnumerationLiteral enumerationValue =
               ((Enumeration) targetEnumeration).getOwnedLiteral(literalName);
           if (enumerationValue == null) {
             problemBuilder.addError(
                 "Unknown enumeration literal '"
                     + literalName
                     + "' in '"
                     + targetEnumeration.getName()
                     + "'",
                 node);
           }
           InstanceValue valueSpec =
               (InstanceValue)
                   namespaceTracker
                       .currentPackage()
                       .createPackagedElement(null, IRepository.PACKAGE.getInstanceValue());
           valueSpec.setInstance(enumerationValue);
           valueSpec.setType(targetEnumeration);
           result[0] = valueSpec;
         }
       });
   if (result[0] == null) problemBuilder.addWarning("Value specification not supported", node);
   return result[0];
 }
Esempio n. 7
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 public static <T extends Node> T findParent(Node node, Class<T> required) {
   if (node == null) return null;
   if (required.isInstance(node.parent())) return (T) node.parent();
   return findParent(node.parent(), required);
 }