Examples with Expected_Value_type org.eclipse.titan.designer.AST.TTCN3.Expected_Value_type used on opensource projects

Example 26 with Expected_Value_type

use of org.eclipse.titan.designer.AST.TTCN3.Expected_Value_type in project titan.EclipsePlug-ins by eclipse.

the class IsPresentExpression method checkExpressionOperands.

/**
 * Checks the parameters of the expression and if they are valid in
 * their position in the expression or not.
 *
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 * @param expectedValue
 *                the kind of value expected.
 * @param referenceChain
 *                a reference chain to detect cyclic references.
 */
private void checkExpressionOperands(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    final Expected_Value_type internalExpectation = Expected_Value_type.EXPECTED_DYNAMIC_VALUE.equals(expectedValue) ? Expected_Value_type.EXPECTED_TEMPLATE : expectedValue;
    IType governor = templateInstance.getExpressionGovernor(timestamp, internalExpectation);
    ITTCN3Template template = templateInstance.getTemplateBody();
    if (governor == null) {
        template = template.setLoweridToReference(timestamp);
        governor = template.getExpressionGovernor(timestamp, internalExpectation);
    }
    if (governor == null) {
        if (!template.getIsErroneous(timestamp)) {
            templateInstance.getLocation().reportSemanticError(OPERANDERROR);
        }
        setIsErroneous(true);
    } else {
        templateInstance.getExpressionReturntype(timestamp, internalExpectation);
        checkExpressionTemplateInstance(timestamp, this, templateInstance, governor, referenceChain, expectedValue);
    }
}

Example 27 with Expected_Value_type

use of org.eclipse.titan.designer.AST.TTCN3.Expected_Value_type in project titan.EclipsePlug-ins by eclipse.

the class IsPresentExpression method evaluateValue.

@Override
public /**
 * {@inheritDoc}
 */
IValue evaluateValue(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    if (lastTimeChecked != null && !lastTimeChecked.isLess(timestamp)) {
        return lastValue;
    }
    isErroneous = false;
    lastTimeChecked = timestamp;
    lastValue = this;
    if (templateInstance == null) {
        return lastValue;
    }
    checkExpressionOperands(timestamp, expectedValue, referenceChain);
    if (getIsErroneous(timestamp)) {
        return lastValue;
    }
    if (isUnfoldable(timestamp, referenceChain)) {
        return lastValue;
    }
    ITTCN3Template template = templateInstance.getTemplateBody();
    if (template.getIfPresent()) {
        lastValue = new Boolean_Value(false);
        lastValue.copyGeneralProperties(this);
        return lastValue;
    }
    template = template.getTemplateReferencedLast(timestamp);
    if (template.getIfPresent()) {
        lastValue = new Boolean_Value(false);
        lastValue.copyGeneralProperties(this);
        return lastValue;
    }
    boolean result = false;
    if (template.getTemplatetype() == Template_type.TEMPLATE_REFD) {
        final TTCN3Template last = template.getTemplateReferencedLast(timestamp);
        if (last != null && Template_type.SPECIFIC_VALUE.equals(last.getTemplatetype())) {
            result = ((SpecificValue_Template) last).getValue().evaluateIspresent(timestamp, ((Referenced_Template) template).getReference(), 1);
        }
    } else if (template.getTemplatetype() == Template_type.SPECIFIC_VALUE) {
        final IValue value = ((SpecificValue_Template) template).getValue();
        if (value.getValuetype() == Value_type.REFERENCED_VALUE) {
            result = value.evaluateIspresent(timestamp, ((Referenced_Value) value).getReference(), 1);
        } else if (value.getValuetype() == Value_type.OMIT_VALUE) {
            result = false;
        } else {
            result = !value.getIsErroneous(timestamp);
        }
    }
    lastValue = new Boolean_Value(result);
    lastValue.copyGeneralProperties(this);
    return lastValue;
}

Example 28 with Expected_Value_type

use of org.eclipse.titan.designer.AST.TTCN3.Expected_Value_type in project titan.EclipsePlug-ins by eclipse.

the class IsPresentExpression method isUnfoldable.

@Override
public /**
 * {@inheritDoc}
 */
boolean isUnfoldable(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    if (templateInstance == null) {
        return true;
    }
    final ITTCN3Template template = templateInstance.getTemplateBody().setLoweridToReference(timestamp);
    if (templateInstance.getDerivedReference() != null) {
        return true;
    }
    if (template.getIfPresent()) {
        return false;
    }
    if (Template_type.SPECIFIC_VALUE.equals(template.getTemplatetype())) {
        final IValue specificValue = ((SpecificValue_Template) template).getValue();
        if (Value_type.REFERENCED_VALUE.equals(specificValue.getValuetype())) {
            final Reference reference = ((Referenced_Value) specificValue).getReference();
            final Assignment ass = reference.getRefdAssignment(timestamp, false);
            if (ass == null) {
                return true;
            }
            switch(ass.getAssignmentType()) {
                case A_OBJECT:
                case A_OS:
                case A_CONST:
                case A_EXT_CONST:
                case A_MODULEPAR:
                case A_VAR:
                case A_FUNCTION_RVAL:
                case A_EXT_FUNCTION_RVAL:
                case A_PAR_VAL:
                case A_PAR_VAL_IN:
                case A_PAR_VAL_OUT:
                case A_PAR_VAL_INOUT:
                    break;
                default:
                    return true;
            }
            // TODO improve to better detect unbound
            // elements
            final IValue last = specificValue.getValueRefdLast(timestamp, expectedValue, null);
            if (last == null) {
                return true;
            }
            if (last == this) {
                return getIsErroneous(timestamp);
            }
            return last.isUnfoldable(timestamp, expectedValue, referenceChain);
        }
        return specificValue.isUnfoldable(timestamp, expectedValue, referenceChain);
    } else if (Template_type.TEMPLATE_REFD.equals(template.getTemplatetype())) {
        final Reference reference = ((Referenced_Template) template).getReference();
        final Assignment ass = reference.getRefdAssignment(timestamp, true);
        if (ass == null) {
            return true;
        }
        switch(ass.getAssignmentType()) {
            case A_CONST:
                // const is foldable
                return false;
            case A_TEMPLATE:
                break;
            default:
                return true;
        }
        // TODO improve to better detect unbound elements
        final TTCN3Template last = template.getTemplateReferencedLast(timestamp);
        if (last == null) {
            return true;
        }
        if (last == template) {
            return last.getIsErroneous(timestamp);
        }
        if (last.getIfPresent()) {
            return false;
        }
        if (Template_type.SPECIFIC_VALUE.equals(last.getTemplatetype())) {
            return ((SpecificValue_Template) last).getValue().isUnfoldable(timestamp, expectedValue, referenceChain);
        }
    }
    return true;
}

Example 29 with Expected_Value_type

use of org.eclipse.titan.designer.AST.TTCN3.Expected_Value_type in project titan.EclipsePlug-ins by eclipse.

the class IsTemplateKindExpression method checkExpressionOperand2.

/**
 * Checks the 2nd operand
 * in charstring (optional)
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 * @param expectedValue
 *                the kind of value expected.
 * @param referenceChain
 *                a reference chain to detect cyclic references.
 */
private void checkExpressionOperand2(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    if (value == null) {
        setIsErroneous(true);
        return;
    }
    value.setLoweridToReference(timestamp);
    final Type_type tempType = value.getExpressionReturntype(timestamp, expectedValue);
    switch(tempType) {
        case TYPE_CHARSTRING:
            final IValue last = value.getValueRefdLast(timestamp, expectedValue, referenceChain);
            if (!last.isUnfoldable(timestamp)) {
                final String originalString = ((Charstring_Value) last).getValue();
                final CharstringExtractor cs = new CharstringExtractor(originalString);
                if (cs.isErrorneous()) {
                    value.getLocation().reportSemanticError(cs.getErrorMessage());
                    setIsErroneous(true);
                }
            }
            break;
        case TYPE_UNDEFINED:
            setIsErroneous(true);
            break;
        default:
            if (!isErroneous) {
                location.reportSemanticError(OPERAND2_ERROR1);
                setIsErroneous(true);
            }
            break;
    }
}

Example 30 with Expected_Value_type

use of org.eclipse.titan.designer.AST.TTCN3.Expected_Value_type in project titan.EclipsePlug-ins by eclipse.

the class Unichar2IntExpression method evaluateValue.

@Override
public /**
 * {@inheritDoc}
 */
IValue evaluateValue(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    if (lastTimeChecked != null && !lastTimeChecked.isLess(timestamp)) {
        return lastValue;
    }
    isErroneous = false;
    lastTimeChecked = timestamp;
    lastValue = this;
    if (value == null) {
        return lastValue;
    }
    checkExpressionOperands(timestamp, expectedValue, referenceChain);
    if (getIsErroneous(timestamp) || isUnfoldable(timestamp, referenceChain)) {
        return lastValue;
    }
    final IValue last = value.getValueRefdLast(timestamp, referenceChain);
    if (last.getIsErroneous(timestamp)) {
        setIsErroneous(true);
        return lastValue;
    }
    switch(last.getValuetype()) {
        case UNIVERSALCHARSTRING_VALUE:
            {
                final UniversalCharstring string = ((UniversalCharstring_Value) last).getValue();
                final UniversalChar uchar = string.get(0);
                final int result = (uchar.group() << 24) | (uchar.plane() << 16) | (uchar.row() << 8) | uchar.cell();
                lastValue = new Integer_Value(result);
                break;
            }
        case CHARSTRING_VALUE:
            {
                final String string = ((Charstring_Value) last).getValue();
                lastValue = new Integer_Value(string.charAt(0));
                break;
            }
        default:
            setIsErroneous(true);
            return this;
    }
    lastValue.copyGeneralProperties(this);
    return lastValue;
}