org.eclipse.xtext.xbase.XPostfixOperation Java Examples

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;
}
 

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();
}
 

/** Generate the given object.
 *
 * @param operation the postfix operator.
 * @param it the target for the generated content.
 * @param context the context.
 * @return the operation.
 */
protected XExpression _generate(XPostfixOperation 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);
			it.append(" += 1"); //$NON-NLS-1$
			break;
		case "--": //$NON-NLS-1$
			generate(operation.getOperand(), it, context);
			it.append(" -= 1"); //$NON-NLS-1$
			break;
		default:
			throw new IllegalArgumentException(MessageFormat.format(Messages.PyExpressionGenerator_0, operator));
		}
		it.append(")"); //$NON-NLS-1$
	}
	return operation;
}
 

@Check
public void checkAssignment(XPostfixOperation postfixOperation) {
	if (expressionHelper.isGetAndAssign(postfixOperation)) {
		XExpression firstArgument = postfixOperation.getActualArguments().get(0);
		checkAssignment(firstArgument, false);
	}
}
 

@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";
	}
}
 

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;
}
 

protected void _format(final XPostfixOperation expr, @Extension final IFormattableDocument doc) {
  final Procedure1<IHiddenRegionFormatter> _function = (IHiddenRegionFormatter it) -> {
    it.noSpace();
  };
  doc.prepend(this.textRegionExtensions.regionFor(expr).feature(XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE), _function);
  doc.<XExpression>format(expr.getOperand());
}
 

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;
}
 

@Deprecated
protected void sequence_XPostfixOperation(EObject context, XPostfixOperation semanticObject) {
	sequence_XPostfixOperation(createContext(context, semanticObject), semanticObject);
}
 

public boolean isGetAndAssign(XAbstractFeatureCall featureCall) {
	if (!(featureCall instanceof XPostfixOperation)) {
		return false;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, DoubleExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, DoubleExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, FloatExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, FloatExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, LongExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, LongExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, IntegerExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, IntegerExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, ShortExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, ShortExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, CharacterExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, CharacterExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.MINUS_MINUS, ByteExtensions.class)) {
		return true;
	}
	if (isOperatorFromExtension(featureCall, OperatorMapping.PLUS_PLUS, ByteExtensions.class)) {
		return true;
	}
	return false;
}
 

/**
 * Contexts:
 *     XExpression returns XPostfixOperation
 *     XAssignment returns XPostfixOperation
 *     XAssignment.XBinaryOperation_1_1_0_0_0 returns XPostfixOperation
 *     XOrExpression returns XPostfixOperation
 *     XOrExpression.XBinaryOperation_1_0_0_0 returns XPostfixOperation
 *     XAndExpression returns XPostfixOperation
 *     XAndExpression.XBinaryOperation_1_0_0_0 returns XPostfixOperation
 *     XEqualityExpression returns XPostfixOperation
 *     XEqualityExpression.XBinaryOperation_1_0_0_0 returns XPostfixOperation
 *     XRelationalExpression returns XPostfixOperation
 *     XRelationalExpression.XInstanceOfExpression_1_0_0_0_0 returns XPostfixOperation
 *     XRelationalExpression.XBinaryOperation_1_1_0_0_0 returns XPostfixOperation
 *     XOtherOperatorExpression returns XPostfixOperation
 *     XOtherOperatorExpression.XBinaryOperation_1_0_0_0 returns XPostfixOperation
 *     XAdditiveExpression returns XPostfixOperation
 *     XAdditiveExpression.XBinaryOperation_1_0_0_0 returns XPostfixOperation
 *     XMultiplicativeExpression returns XPostfixOperation
 *     XMultiplicativeExpression.XBinaryOperation_1_0_0_0 returns XPostfixOperation
 *     XUnaryOperation returns XPostfixOperation
 *     XCastedExpression returns XPostfixOperation
 *     XCastedExpression.XCastedExpression_1_0_0_0 returns XPostfixOperation
 *     XPostfixOperation returns XPostfixOperation
 *     XPostfixOperation.XPostfixOperation_1_0_0 returns XPostfixOperation
 *     XMemberFeatureCall returns XPostfixOperation
 *     XMemberFeatureCall.XAssignment_1_0_0_0_0 returns XPostfixOperation
 *     XMemberFeatureCall.XMemberFeatureCall_1_1_0_0_0 returns XPostfixOperation
 *     XPrimaryExpression returns XPostfixOperation
 *     XParenthesizedExpression returns XPostfixOperation
 *     XExpressionOrVarDeclaration returns XPostfixOperation
 *
 * Constraint:
 *     (operand=XPostfixOperation_XPostfixOperation_1_0_0 feature=[JvmIdentifiableElement|OpPostfix])
 */
protected void sequence_XPostfixOperation(ISerializationContext context, XPostfixOperation semanticObject) {
	if (errorAcceptor != null) {
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XPOSTFIX_OPERATION__OPERAND) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XPOSTFIX_OPERATION__OPERAND));
		if (transientValues.isValueTransient(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE) == ValueTransient.YES)
			errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE));
	}
	SequenceFeeder feeder = createSequencerFeeder(context, semanticObject);
	feeder.accept(grammarAccess.getXPostfixOperationAccess().getXPostfixOperationOperandAction_1_0_0(), semanticObject.getOperand());
	feeder.accept(grammarAccess.getXPostfixOperationAccess().getFeatureJvmIdentifiableElementOpPostfixParserRuleCall_1_0_1_0_1(), semanticObject.eGet(XbasePackage.Literals.XABSTRACT_FEATURE_CALL__FEATURE, false));
	feeder.finish();
}
 

/** 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.
 */
@SuppressWarnings("static-method")
protected Boolean _hasSideEffects(XPostfixOperation expression, ISideEffectContext context) {
	return Boolean.TRUE;
}