org.eclipse.incquery.patternlanguage.patternLanguage.PathExpressionHead.getTail java code examples

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public static EClassifier calculateExpressionType(PathExpressionHead head) throws ResolutionException {
  if (head.getTail() == null) {
    throw new ResolutionException(NOT_AN_ENUMERATION_REFERENCE_ERROR);
  }
  return calculateExpressionType(head.getTail());
}

public static EEnum calculateEnumerationType(PathExpressionHead head) throws ResolutionException {
  if (head.getTail() == null) {
    throw new ResolutionException(NOT_AN_ENUMERATION_REFERENCE_ERROR);
  }
  return calculateEnumerationType(head.getTail());
}

PathExpressionHead pathExpressionHead = pathExpressionConstraint.getHead();
Map<PathExpressionTail, EStructuralFeature> tailFeatureMap = emfTypeProvider
    .getAllFeaturesFromPathExpressionTail(pathExpressionHead.getTail());
for (Entry<PathExpressionTail, EStructuralFeature> tail : tailFeatureMap.entrySet()) {
  EStructuralFeature feature = tail.getValue();

PathExpressionTail currentTail = head.getTail();

final VariableReference secondVariableReference = ((VariableValue) valueReference).getValue();
if (isEqualVariables(variable, secondVariableReference)) {
  Type type = getTypeFromPathExpressionTail(pathExpressionHead.getTail());
  classifier = getClassifierForType(type);
  if (classifier != null) {

/**
 * This validator checks if the literal or computational values match the path expression's type.
 * 
 * @param pathExpressionConstraint
 */
@Check
public void checkForWrongLiteralAndComputationValuesInPathExpressionConstraints(
    PathExpressionConstraint pathExpressionConstraint) {
  // Normal attribute-reference constraint
  PathExpressionHead pathExpressionHead = pathExpressionConstraint.getHead();
  ValueReference valueReference = pathExpressionHead.getDst();
  if (valueReference instanceof LiteralValueReference || valueReference instanceof ComputationValue) {
    EClassifier inputClassifier = emfTypeProvider
        .getClassifierForLiteralComputationEnumValueReference(valueReference);
    EClassifier typeClassifier = emfTypeProvider.getClassifierForType(emfTypeProvider
        .getTypeFromPathExpressionTail(pathExpressionHead.getTail()));
    if (!isCompatibleClassifiers(typeClassifier, inputClassifier)) {
      String name = typeClassifier == null ? "<unknown>" : typeClassifier.getInstanceClassName();
      error("The type inferred from the path expression (" + name
          + ") is different from the input literal/computational value ("
          + inputClassifier.getInstanceClassName() + ").", pathExpressionConstraint, null,
          EMFIssueCodes.LITERAL_OR_COMPUTATION_TYPE_MISMATCH_IN_PATH_EXPRESSION);
    }
  }
}

/**
 * Contexts:
 *     PathExpressionHead returns PathExpressionHead
 *
 * Constraint:
 *     (type=Type tail=PathExpressionTail src=VariableReference dst=ValueReference)
 */
protected void sequence_PathExpressionHead(ISerializationContext context, PathExpressionHead semanticObject) {
  if (errorAcceptor != null) {
    if (transientValues.isValueTransient(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_ELEMENT__TYPE) == ValueTransient.YES)
      errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_ELEMENT__TYPE));
    if (transientValues.isValueTransient(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_ELEMENT__TAIL) == ValueTransient.YES)
      errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_ELEMENT__TAIL));
    if (transientValues.isValueTransient(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_HEAD__SRC) == ValueTransient.YES)
      errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_HEAD__SRC));
    if (transientValues.isValueTransient(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_HEAD__DST) == ValueTransient.YES)
      errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, PatternLanguagePackage.Literals.PATH_EXPRESSION_HEAD__DST));
  }
  SequenceFeeder feeder = createSequencerFeeder(context, semanticObject);
  feeder.accept(grammarAccess.getPathExpressionHeadAccess().getTypeTypeParserRuleCall_1_0(), semanticObject.getType());
  feeder.accept(grammarAccess.getPathExpressionHeadAccess().getTailPathExpressionTailParserRuleCall_3_0(), semanticObject.getTail());
  feeder.accept(grammarAccess.getPathExpressionHeadAccess().getSrcVariableReferenceParserRuleCall_5_0(), semanticObject.getSrc());
  feeder.accept(grammarAccess.getPathExpressionHeadAccess().getDstValueReferenceParserRuleCall_7_0(), semanticObject.getDst());
  feeder.finish();
}

Popular methods of PathExpressionHead

getDst
Returns the value of the 'Dst' containment reference. If the meaning of the 'Dst' containment refere
getSrc
Returns the value of the 'Src' containment reference. If the meaning of the 'Src' containment refere
getType

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How to use getTailmethodin org.eclipse.incquery.patternlanguage.patternLanguage.PathExpressionHead

Best Java code snippets using org.eclipse.incquery.patternlanguage.patternLanguage.PathExpressionHead.getTail (Showing top 7 results out of 315)

How to use
getTail
method
in
org.eclipse.incquery.patternlanguage.patternLanguage.PathExpressionHead