org.eclipse.xtext.xbase.XUnaryOperation Java Examples

The following examples show how to use org.eclipse.xtext.xbase.XUnaryOperation. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: PyExpressionGenerator.java From sarl with Apache License 2.0

6 votes

/** Generate the given object.
 *
 * @param operation the unary operation.
 * @param it the target for the generated content.
 * @param context the context.
 * @return the operation.
 */
protected XExpression _generate(XUnaryOperation operation, IAppendable it, IExtraLanguageGeneratorContext context) {
	appendReturnIfExpectedReturnedExpression(it, context);
	final String operator = getOperatorSymbol(operation);
	if (operator != null) {
		it.append("("); //$NON-NLS-1$
		switch (operator) {
		case "+": //$NON-NLS-1$
			generate(operation.getOperand(), it, context);
			break;
		case "-": //$NON-NLS-1$
			it.append("-"); //$NON-NLS-1$
			generate(operation.getOperand(), it, context);
			break;
		default:
			throw new IllegalArgumentException(MessageFormat.format(Messages.PyExpressionGenerator_0, operator));
		}
		it.append(")"); //$NON-NLS-1$
	}
	return operation;
}

Example #2

Source File: FeatureLinkHelper.java From xtext-extras with Eclipse Public License 2.0

6 votes

public XExpression getSyntacticReceiver(XExpression expression) {
	if (expression instanceof XAbstractFeatureCall) {
		if (expression instanceof XFeatureCall) {
			return null;
		}
		if (expression instanceof XMemberFeatureCall) {
			return ((XMemberFeatureCall) expression).getMemberCallTarget();
		}
		if (expression instanceof XAssignment) {
			return ((XAssignment) expression).getAssignable();
		}
		if (expression instanceof XBinaryOperation) {
			return ((XBinaryOperation) expression).getLeftOperand();
		}
		if (expression instanceof XUnaryOperation) {
			return ((XUnaryOperation) expression).getOperand();
		}
		if (expression instanceof XPostfixOperation) {
			return ((XPostfixOperation) expression).getOperand();
		}
	}
	return null;
}

Example #3

Source File: FeatureLinkHelper.java From xtext-extras with Eclipse Public License 2.0

6 votes

public List<XExpression> getSyntacticArguments(XAbstractFeatureCall expression) {
	if (expression instanceof XFeatureCall) {
		return ((XFeatureCall) expression).getFeatureCallArguments();
	}
	if (expression instanceof XMemberFeatureCall) {
		return ((XMemberFeatureCall) expression).getMemberCallArguments();
	}
	if (expression instanceof XAssignment) {
		return Collections.singletonList(((XAssignment) expression).getValue());
	}
	if (expression instanceof XBinaryOperation) {
		return Collections.singletonList(((XBinaryOperation) expression).getRightOperand());
	}
	// explicit condition to make sure we thought about it
	if (expression instanceof XUnaryOperation) {
		return Collections.emptyList();
	}
	if (expression instanceof XPostfixOperation) {
		return Collections.emptyList();
	}
	return Collections.emptyList();
}

Example #4

Source File: FormalParameterCheckBase.java From dsl-devkit with Eclipse Public License 1.0

6 votes

/**
 * Validates that all XNumberLiterals in this expression, which occurs on the right-hand side of a formal parameter
 * declaration/definition, have indeed integral values.
 * 
 * @param value
 *          to check
 * @param issueCode
 *          to issue if the validation fails
 */
protected void checkRightHandSideHasOnlyIntegralNumbers(final XExpression value, final String issueCode) {
  if (value != null) {
    List<XExpression> exprs = (value instanceof XListLiteral) ? ((XListLiteral) value).getElements() : Collections.singletonList(value);
    for (XExpression expr : exprs) {
      XExpression e = expr;
      while (e instanceof XUnaryOperation) {
        e = ((XUnaryOperation) e).getOperand();
      }
      if (e instanceof XNumberLiteral) {
        try {
          Integer.decode(((XNumberLiteral) e).getValue());
        } catch (NumberFormatException ex) {
          error("Only integral values as numbers are allowed in check parameters", expr, null, issueCode); // TODO: NLS
        }
      }
    }
  }
}

Example #5

Source File: AbstractConstantExpressionsInterpreter.java From xtext-extras with Eclipse Public License 2.0

6 votes

public Object internalEvaluate(final XExpression it, final Context ctx) {
  if (it instanceof XBinaryOperation) {
    return _internalEvaluate((XBinaryOperation)it, ctx);
  } else if (it instanceof XUnaryOperation) {
    return _internalEvaluate((XUnaryOperation)it, ctx);
  } else if (it instanceof XBooleanLiteral) {
    return _internalEvaluate((XBooleanLiteral)it, ctx);
  } else if (it instanceof XCastedExpression) {
    return _internalEvaluate((XCastedExpression)it, ctx);
  } else if (it instanceof XStringLiteral) {
    return _internalEvaluate((XStringLiteral)it, ctx);
  } else if (it instanceof XTypeLiteral) {
    return _internalEvaluate((XTypeLiteral)it, ctx);
  } else if (it instanceof XAnnotation) {
    return _internalEvaluate((XAnnotation)it, ctx);
  } else if (it != null) {
    return _internalEvaluate(it, ctx);
  } else if (it == null) {
    return _internalEvaluate((Void)null, ctx);
  } else {
    throw new IllegalArgumentException("Unhandled parameter types: " +
      Arrays.<Object>asList(it, ctx).toString());
  }
}

Example #6

Source File: ConstantExpressionsInterpreter.java From xtext-xtend with Eclipse Public License 2.0

5 votes

public Object internalEvaluate(final XExpression it, final Context ctx) {
  if (it instanceof XBinaryOperation) {
    return _internalEvaluate((XBinaryOperation)it, ctx);
  } else if (it instanceof XFeatureCall) {
    return _internalEvaluate((XFeatureCall)it, ctx);
  } else if (it instanceof XListLiteral) {
    return _internalEvaluate((XListLiteral)it, ctx);
  } else if (it instanceof XMemberFeatureCall) {
    return _internalEvaluate((XMemberFeatureCall)it, ctx);
  } else if (it instanceof XUnaryOperation) {
    return _internalEvaluate((XUnaryOperation)it, ctx);
  } else if (it instanceof XBooleanLiteral) {
    return _internalEvaluate((XBooleanLiteral)it, ctx);
  } else if (it instanceof XCastedExpression) {
    return _internalEvaluate((XCastedExpression)it, ctx);
  } else if (it instanceof XNumberLiteral) {
    return _internalEvaluate((XNumberLiteral)it, ctx);
  } else if (it instanceof XStringLiteral) {
    return _internalEvaluate((XStringLiteral)it, ctx);
  } else if (it instanceof XTypeLiteral) {
    return _internalEvaluate((XTypeLiteral)it, ctx);
  } else if (it instanceof XAnnotation) {
    return _internalEvaluate((XAnnotation)it, ctx);
  } else if (it != null) {
    return _internalEvaluate(it, ctx);
  } else if (it == null) {
    return _internalEvaluate((Void)null, ctx);
  } else {
    throw new IllegalArgumentException("Unhandled parameter types: " +
      Arrays.<Object>asList(it, ctx).toString());
  }
}

Example #7

Source File: XtendSyntacticSequencer.java From xtext-xtend with Eclipse Public License 2.0

5 votes

protected boolean startsWithUnaryOperator(EObject obj) {
	if(obj instanceof XUnaryOperation)
		return true;
	if(obj instanceof XBinaryOperation)
		return startsWithUnaryOperator(((XBinaryOperation)obj).getLeftOperand());
	if(obj instanceof XPostfixOperation) {
		return startsWithUnaryOperator(((XPostfixOperation)obj).getOperand());
	}
	return false;
}

Example #8

Source File: AbstractCheckSemanticSequencer.java From dsl-devkit with Eclipse Public License 1.0

5 votes

/**
 * Contexts:
 *     XConstantUnaryOperation returns XUnaryOperation
 *     XFormalParameterDefaultValueLiteral returns XUnaryOperation
 *
 * Constraint:
 *     (feature=[JvmIdentifiableElement|OpUnary] operand=XConstantUnaryOperation)
 */
protected void sequence_XConstantUnaryOperation(ISerializationContext context, XUnaryOperation semanticObject) {
	if (errorAcceptor != null) {
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE));
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND));
	}
	SequenceFeeder feeder = createSequencerFeeder(context, semanticObject);
	feeder.accept(grammarAccess.getXConstantUnaryOperationAccess().getFeatureJvmIdentifiableElementOpUnaryParserRuleCall_0_1_0_1(), semanticObject.eGet(XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE, false));
	feeder.accept(grammarAccess.getXConstantUnaryOperationAccess().getOperandXConstantUnaryOperationParserRuleCall_0_2_0(), semanticObject.getOperand());
	feeder.finish();
}

Example #9

Source File: XbaseParserTest.java From xtext-extras with Eclipse Public License 2.0

5 votes

@Test public void testUnaryOperation_3() throws Exception {
	XBinaryOperation call = (XBinaryOperation) expression("foo+-bar");
	assertEquals("+",call.getConcreteSyntaxFeatureName());
	assertEquals(2,call.getExplicitArguments().size());
	XUnaryOperation unary = (XUnaryOperation) call.getExplicitArguments().get(1);
	assertEquals("-", unary.getConcreteSyntaxFeatureName());
	assertEquals("bar", ((XFeatureCall)unary.getExplicitArguments().get(0)).getConcreteSyntaxFeatureName());
}

Example #10

Source File: AbstractCheckCfgSemanticSequencer.java From dsl-devkit with Eclipse Public License 1.0

5 votes

/**
 * Contexts:
 *     XConstantUnaryOperation returns XUnaryOperation
 *     XFormalParameterDefaultValueLiteral returns XUnaryOperation
 *
 * Constraint:
 *     (feature=[JvmIdentifiableElement|OpUnary] operand=XConstantUnaryOperation)
 */
protected void sequence_XConstantUnaryOperation(ISerializationContext context, XUnaryOperation semanticObject) {
	if (errorAcceptor != null) {
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE));
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND));
	}
	SequenceFeeder feeder = createSequencerFeeder(context, semanticObject);
	feeder.accept(grammarAccess.getXConstantUnaryOperationAccess().getFeatureJvmIdentifiableElementOpUnaryParserRuleCall_0_1_0_1(), semanticObject.eGet(XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE, false));
	feeder.accept(grammarAccess.getXConstantUnaryOperationAccess().getOperandXConstantUnaryOperationParserRuleCall_0_2_0(), semanticObject.getOperand());
	feeder.finish();
}

Example #11

Source File: SARLOperationHelper.java From sarl with Apache License 2.0

5 votes

/** Test if the given expression has side effects.
 *
 * @param expression the expression.
 * @param context the list of context expressions.
 * @return {@code true} if the expression has side effects.
 */
protected Boolean _hasSideEffects(XUnaryOperation expression, ISideEffectContext context) {
	if (expression.isTypeLiteral() || expression.isPackageFragment()) {
		return Boolean.FALSE;
	}
	if (hasSideEffects(expression.getOperand(), context)) {
		return true;
	}
	return false;
}

Example #12

Source File: AbstractConstantExpressionsInterpreter.java From xtext-extras with Eclipse Public License 2.0

5 votes

protected Object _internalEvaluate(final XUnaryOperation it, final Context ctx) {
  Object _xblockexpression = null;
  {
    final Object value = this.evaluate(it.getOperand(), ctx);
    final String op = this.getOperator(it);
    Object _switchResult = null;
    boolean _matched = false;
    if (Objects.equal(op, "-")) {
      _matched=true;
      _switchResult = this.constantOperators.minus(value);
    }
    if (!_matched) {
      if ((Objects.equal(op, "!") && (value instanceof Boolean))) {
        _matched=true;
        _switchResult = Boolean.valueOf((!(((Boolean) value)).booleanValue()));
      }
    }
    if (!_matched) {
      if ((Objects.equal(op, "+") && (value instanceof Number))) {
        _matched=true;
        _switchResult = value;
      }
    }
    if (!_matched) {
      throw new ConstantExpressionEvaluationException(((("Couldn\'t evaluate unary operator \'" + op) + "\' on value ") + value));
    }
    _xblockexpression = _switchResult;
  }
  return _xblockexpression;
}

Example #13

Source File: SwitchConstantExpressionsInterpreter.java From xtext-extras with Eclipse Public License 2.0

5 votes

public Object internalEvaluate(final XExpression it, final Context ctx) {
  if (it instanceof XBinaryOperation) {
    return _internalEvaluate((XBinaryOperation)it, ctx);
  } else if (it instanceof XUnaryOperation) {
    return _internalEvaluate((XUnaryOperation)it, ctx);
  } else if (it instanceof XAbstractFeatureCall) {
    return _internalEvaluate((XAbstractFeatureCall)it, ctx);
  } else if (it instanceof XBooleanLiteral) {
    return _internalEvaluate((XBooleanLiteral)it, ctx);
  } else if (it instanceof XCastedExpression) {
    return _internalEvaluate((XCastedExpression)it, ctx);
  } else if (it instanceof XNumberLiteral) {
    return _internalEvaluate((XNumberLiteral)it, ctx);
  } else if (it instanceof XStringLiteral) {
    return _internalEvaluate((XStringLiteral)it, ctx);
  } else if (it instanceof XTypeLiteral) {
    return _internalEvaluate((XTypeLiteral)it, ctx);
  } else if (it instanceof XAnnotation) {
    return _internalEvaluate((XAnnotation)it, ctx);
  } else if (it != null) {
    return _internalEvaluate(it, ctx);
  } else if (it == null) {
    return _internalEvaluate((Void)null, ctx);
  } else {
    throw new IllegalArgumentException("Unhandled parameter types: " +
      Arrays.<Object>asList(it, ctx).toString());
  }
}

Example #14

Source File: ConstantConditionsInterpreter.java From xtext-extras with Eclipse Public License 2.0

5 votes

public EvaluationResult internalEvaluate(final XExpression it, final EvaluationContext context) {
  if (it instanceof XBinaryOperation) {
    return _internalEvaluate((XBinaryOperation)it, context);
  } else if (it instanceof XUnaryOperation) {
    return _internalEvaluate((XUnaryOperation)it, context);
  } else if (it instanceof XAbstractFeatureCall) {
    return _internalEvaluate((XAbstractFeatureCall)it, context);
  } else if (it instanceof XBooleanLiteral) {
    return _internalEvaluate((XBooleanLiteral)it, context);
  } else if (it instanceof XCastedExpression) {
    return _internalEvaluate((XCastedExpression)it, context);
  } else if (it instanceof XNullLiteral) {
    return _internalEvaluate((XNullLiteral)it, context);
  } else if (it instanceof XNumberLiteral) {
    return _internalEvaluate((XNumberLiteral)it, context);
  } else if (it instanceof XStringLiteral) {
    return _internalEvaluate((XStringLiteral)it, context);
  } else if (it instanceof XTypeLiteral) {
    return _internalEvaluate((XTypeLiteral)it, context);
  } else if (it != null) {
    return _internalEvaluate(it, context);
  } else if (it == null) {
    return _internalEvaluate((Void)null, context);
  } else {
    throw new IllegalArgumentException("Unhandled parameter types: " +
      Arrays.<Object>asList(it, context).toString());
  }
}

Example #15

Source File: XbaseSyntacticSequencer.java From xtext-extras with Eclipse Public License 2.0

5 votes

protected boolean startsWithUnaryOperator(EObject obj) {
	if(obj instanceof XUnaryOperation)
		return true;
	if(obj instanceof XBinaryOperation)
		return startsWithUnaryOperator(((XBinaryOperation)obj).getLeftOperand());
	if(obj instanceof XPostfixOperation) {
		return startsWithUnaryOperator(((XPostfixOperation)obj).getOperand());
	}
	return false;
}

Example #16

Source File: AmbiguousFeatureLinkingCandidate.java From xtext-extras with Eclipse Public License 2.0

5 votes

@Override
protected String getSyntaxDescriptions() {
	XExpression expression = getExpression();
	if (expression instanceof XBinaryOperation) {
		return "binary operation";
	} else if (expression instanceof XUnaryOperation) {
		return "unary operation";
	} else if (expression instanceof XPostfixOperation) {
		return "postfix operation";
	} else {
		return "feature call";
	}
}

Example #17

Source File: XbaseParserTest.java From xtext-extras with Eclipse Public License 2.0

4 votes

@Test public void testUnaryOperation_2() throws Exception {
	XUnaryOperation call = (XUnaryOperation) expression("-foo");
	assertNotNull(call);
}

Example #18

Source File: CustomExpressionTest.java From xtext-extras with Eclipse Public License 2.0

4 votes

@Test public void testNullValuesShouldBeIgnored() throws Exception {
	//unary operations are not implemented yet
	String input = "!";
	XUnaryOperation expression = (XUnaryOperation) incompleteExpression(input);
	assertTrue(expression.getExplicitArguments().isEmpty()); // throws exception if null value is added to result list
}

Example #19

Source File: AbstractFeatureCallCustomImplTest.java From xtext-extras with Eclipse Public License 2.0

4 votes

@SuppressWarnings("deprecation")
@Test public void testUnaryOperation() throws Exception {
	assertEquals(1, ((XUnaryOperation) expression("- bar")).getExplicitArguments().size());
}

Example #20

Source File: XbaseParserTest.java From xtext-extras with Eclipse Public License 2.0

4 votes

@Test public void testUnaryOperation() throws Exception {
	XUnaryOperation call = (XUnaryOperation) expression("-(Foo)");
	assertNotNull(call);
}

Example #21

Source File: AbstractXbaseSemanticSequencer.java From xtext-extras with Eclipse Public License 2.0

4 votes

@Deprecated
protected void sequence_XUnaryOperation(EObject context, XUnaryOperation semanticObject) {
	sequence_XUnaryOperation(createContext(context, semanticObject), semanticObject);
}

Example #22

Source File: AbstractXbaseSemanticSequencer.java From xtext-extras with Eclipse Public License 2.0

3 votes

/**
 * Contexts:
 *     XExpression returns XUnaryOperation
 *     XAssignment returns XUnaryOperation
 *     XAssignment.XBinaryOperation_1_1_0_0_0 returns XUnaryOperation
 *     XOrExpression returns XUnaryOperation
 *     XOrExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XAndExpression returns XUnaryOperation
 *     XAndExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XEqualityExpression returns XUnaryOperation
 *     XEqualityExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XRelationalExpression returns XUnaryOperation
 *     XRelationalExpression.XInstanceOfExpression_1_0_0_0_0 returns XUnaryOperation
 *     XRelationalExpression.XBinaryOperation_1_1_0_0_0 returns XUnaryOperation
 *     XOtherOperatorExpression returns XUnaryOperation
 *     XOtherOperatorExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XAdditiveExpression returns XUnaryOperation
 *     XAdditiveExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XMultiplicativeExpression returns XUnaryOperation
 *     XMultiplicativeExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XUnaryOperation returns XUnaryOperation
 *     XCastedExpression returns XUnaryOperation
 *     XCastedExpression.XCastedExpression_1_0_0_0 returns XUnaryOperation
 *     XPostfixOperation returns XUnaryOperation
 *     XPostfixOperation.XPostfixOperation_1_0_0 returns XUnaryOperation
 *     XMemberFeatureCall returns XUnaryOperation
 *     XMemberFeatureCall.XAssignment_1_0_0_0_0 returns XUnaryOperation
 *     XMemberFeatureCall.XMemberFeatureCall_1_1_0_0_0 returns XUnaryOperation
 *     XPrimaryExpression returns XUnaryOperation
 *     XParenthesizedExpression returns XUnaryOperation
 *     XExpressionOrVarDeclaration returns XUnaryOperation
 *
 * Constraint:
 *     (feature=[JvmIdentifiableElement|OpUnary] operand=XUnaryOperation)
 */
protected void sequence_XUnaryOperation(ISerializationContext context, XUnaryOperation semanticObject) {
	if (errorAcceptor != null) {
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE));
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND));
	}
	SequenceFeeder feeder = createSequencerFeeder(context, semanticObject);
	feeder.accept(grammarAccess.getXUnaryOperationAccess().getFeatureJvmIdentifiableElementOpUnaryParserRuleCall_0_1_0_1(), semanticObject.eGet(XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE, false));
	feeder.accept(grammarAccess.getXUnaryOperationAccess().getOperandXUnaryOperationParserRuleCall_0_2_0(), semanticObject.getOperand());
	feeder.finish();
}

Example #23

Source File: SARLSemanticSequencer.java From sarl with Apache License 2.0

3 votes

/**
 * Contexts:
 *     XCastedExpression returns XUnaryOperation
 *     XCastedExpression.SarlCastedExpression_1_0_0_0 returns XUnaryOperation
 *     XPrimaryExpression returns XUnaryOperation
 *     XMultiplicativeExpression returns XUnaryOperation
 *     XMultiplicativeExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XExponentExpression returns XUnaryOperation
 *     XExponentExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XUnaryOperation returns XUnaryOperation
 *     XAssignment returns XUnaryOperation
 *     XAssignment.XBinaryOperation_1_1_0_0_0 returns XUnaryOperation
 *     XConditionalExpression returns XUnaryOperation
 *     XConditionalExpression.XIfExpression_1_0_0_0 returns XUnaryOperation
 *     XExpressionOrSimpleConstructorCall returns XUnaryOperation
 *     RichStringPart returns XUnaryOperation
 *     XAnnotationElementValueOrCommaList returns XUnaryOperation
 *     XAnnotationElementValueOrCommaList.XListLiteral_1_1_0 returns XUnaryOperation
 *     XAnnotationElementValue returns XUnaryOperation
 *     XAnnotationOrExpression returns XUnaryOperation
 *     XExpression returns XUnaryOperation
 *     XOrExpression returns XUnaryOperation
 *     XOrExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XAndExpression returns XUnaryOperation
 *     XAndExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XEqualityExpression returns XUnaryOperation
 *     XEqualityExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XRelationalExpression returns XUnaryOperation
 *     XRelationalExpression.XInstanceOfExpression_1_0_0_0_0 returns XUnaryOperation
 *     XRelationalExpression.XBinaryOperation_1_1_0_0_0 returns XUnaryOperation
 *     XOtherOperatorExpression returns XUnaryOperation
 *     XOtherOperatorExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XAdditiveExpression returns XUnaryOperation
 *     XAdditiveExpression.XBinaryOperation_1_0_0_0 returns XUnaryOperation
 *     XPostfixOperation returns XUnaryOperation
 *     XPostfixOperation.XPostfixOperation_1_0_0 returns XUnaryOperation
 *     XMemberFeatureCall returns XUnaryOperation
 *     XMemberFeatureCall.XAssignment_1_0_0_0_0 returns XUnaryOperation
 *     XMemberFeatureCall.XMemberFeatureCall_1_1_0_0_0 returns XUnaryOperation
 *     XParenthesizedExpression returns XUnaryOperation
 *     XExpressionOrVarDeclaration returns XUnaryOperation
 *
 * Constraint:
 *     (feature=[JvmIdentifiableElement|OpUnary] operand=XUnaryOperation)
 */
protected void sequence_XUnaryOperation(ISerializationContext context, XUnaryOperation semanticObject) {
	if (errorAcceptor != null) {
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE));
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XUNARY_OPERATION__OPERAND));
	}
	SequenceFeeder feeder = createSequencerFeeder(context, semanticObject);
	feeder.accept(grammarAccess.getXUnaryOperationAccess().getFeatureJvmIdentifiableElementOpUnaryParserRuleCall_0_1_0_1(), semanticObject.eGet(XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE, false));
	feeder.accept(grammarAccess.getXUnaryOperationAccess().getOperandXUnaryOperationParserRuleCall_0_2_0(), semanticObject.getOperand());
	feeder.finish();
}