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

Example 1 with SetOf_Value

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

the class SizeOfExpression 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.
 *
 * @return the size of the expression, or -1 in case of error
 */
private long checkExpressionOperands(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    Expected_Value_type internalExpectedValue;
    if (Expected_Value_type.EXPECTED_DYNAMIC_VALUE.equals(expectedValue)) {
        internalExpectedValue = Expected_Value_type.EXPECTED_TEMPLATE;
    } else {
        internalExpectedValue = expectedValue;
    }
    ITTCN3Template template = templateInstance.getTemplateBody();
    template.setLoweridToReference(timestamp);
    template = template.getTemplateReferencedLast(timestamp, referenceChain);
    if (template.getIsErroneous(timestamp)) {
        setIsErroneous(true);
        return -1;
    }
    // Timer and port arrays are handled separately
    if (template.getTemplatetype() == Template_type.SPECIFIC_VALUE) {
        final SpecificValue_Template specValTempl = (SpecificValue_Template) template;
        IValue val = specValTempl.getSpecificValue();
        val.setMyGovernor(specValTempl.getMyGovernor());
        if (val.getValuetype() == Value_type.UNDEFINED_LOWERIDENTIFIER_VALUE) {
            val = val.setLoweridToReference(timestamp);
        }
        if (val != null && val.getValuetype() == Value_type.REFERENCED_VALUE) {
            final Referenced_Value referencedValue = (Referenced_Value) val;
            final Reference ref = referencedValue.getReference();
            final Assignment temporalAss = ref.getRefdAssignment(timestamp, true);
            if (temporalAss != null) {
                final Assignment_type asstype = temporalAss.getAssignmentType();
                ArrayDimensions dimensions;
                if (asstype == Assignment_type.A_PORT) {
                    dimensions = ((Def_Port) temporalAss).getDimensions();
                    return checkTimerPort(timestamp, ref, dimensions, temporalAss);
                } else if (asstype == Assignment_type.A_TIMER) {
                    dimensions = ((Def_Timer) temporalAss).getDimensions();
                    return checkTimerPort(timestamp, ref, dimensions, temporalAss);
                }
            }
        }
    }
    IType governor = templateInstance.getExpressionGovernor(timestamp, internalExpectedValue);
    if (governor == null) {
        final ITTCN3Template templ = template.setLoweridToReference(timestamp);
        governor = templ.getExpressionGovernor(timestamp, internalExpectedValue);
    }
    if (governor == null) {
        if (!template.getIsErroneous(timestamp)) {
            templateInstance.getLocation().reportSemanticError("Cannot determine the type of the argument in the `sizeof' operation. If type is known, use valueof(<type>: ...) as argument.");
        }
        setIsErroneous(true);
        return -1;
    }
    IsValueExpression.checkExpressionTemplateInstance(timestamp, this, templateInstance, governor, referenceChain, internalExpectedValue);
    if (isErroneous) {
        return -1;
    }
    IType type = governor.getTypeRefdLast(timestamp);
    switch(type.getTypetype()) {
        case TYPE_SEQUENCE_OF:
        case TYPE_SET_OF:
        case TYPE_TTCN3_SEQUENCE:
        case TYPE_TTCN3_SET:
        case TYPE_ASN1_SEQUENCE:
        case TYPE_ASN1_SET:
        case TYPE_ARRAY:
        case TYPE_OBJECTID:
        case TYPE_ROID:
        case TYPE_UNDEFINED:
            break;
        default:
            templateInstance.getLocation().reportSemanticError("Reference to a value or template of type record, record of, set, set of, objid or array was expected");
            setIsErroneous(true);
            return -1;
    }
    IValue value = null;
    Reference reference = null;
    Assignment assignment = null;
    List<ISubReference> subreferences = null;
    switch(template.getTemplatetype()) {
        case INDEXED_TEMPLATE_LIST:
            return -1;
        case TEMPLATE_REFD:
            reference = ((Referenced_Template) template).getReference();
            assignment = reference.getRefdAssignment(timestamp, false);
            subreferences = reference.getSubreferences();
            break;
        case TEMPLATE_LIST:
        case NAMED_TEMPLATE_LIST:
        case SUBSET_MATCH:
        case SUPERSET_MATCH:
            // compute later
            break;
        case SPECIFIC_VALUE:
            value = ((SpecificValue_Template) template).getSpecificValue().getValueRefdLast(timestamp, referenceChain);
            if (value != null) {
                switch(value.getValuetype()) {
                    case SEQUENCEOF_VALUE:
                    case SETOF_VALUE:
                    case ARRAY_VALUE:
                    case RELATIVEOBJECTIDENTIFIER_VALUE:
                    case OBJECTID_VALUE:
                    case SEQUENCE_VALUE:
                    case SET_VALUE:
                        break;
                    case REFERENCED_VALUE:
                        {
                            reference = ((Referenced_Value) value).getReference();
                            assignment = reference.getRefdAssignment(timestamp, false);
                            subreferences = reference.getSubreferences();
                            break;
                        }
                    default:
                        templateInstance.getLocation().reportSemanticError(MessageFormat.format("`sizeof'' operation is not applicable to `{0}''", value.createStringRepresentation()));
                        setIsErroneous(true);
                        return -1;
                }
            }
            break;
        default:
            templateInstance.getLocation().reportSemanticError(MessageFormat.format("`sizeof'' operation is not applicable to {0}", template.getTemplateTypeName()));
            setIsErroneous(true);
            return -1;
    }
    if (assignment != null) {
        if (assignment.getIsErroneous()) {
            setIsErroneous(true);
            return -1;
        }
        switch(assignment.getAssignmentType()) {
            case A_CONST:
                value = ((Def_Const) assignment).getValue();
                break;
            case A_EXT_CONST:
            case A_MODULEPAR:
            case A_MODULEPAR_TEMPLATE:
                if (Expected_Value_type.EXPECTED_CONSTANT.equals(internalExpectedValue)) {
                    templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to an (evaluable) constant value was expected instead of {0}", assignment.getDescription()));
                    setIsErroneous(true);
                    return -1;
                }
                break;
            case A_VAR:
            case A_PAR_VAL:
            case A_PAR_VAL_IN:
            case A_PAR_VAL_OUT:
            case A_PAR_VAL_INOUT:
                switch(internalExpectedValue) {
                    case EXPECTED_CONSTANT:
                        templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a constant value was expected instead of {0}", assignment.getDescription()));
                        setIsErroneous(true);
                        return -1;
                    case EXPECTED_STATIC_VALUE:
                        templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a static value was expected instead of {0}", assignment.getDescription()));
                        setIsErroneous(true);
                        return -1;
                    default:
                        break;
                }
                break;
            case A_TEMPLATE:
                template = ((Def_Template) assignment).getTemplate(timestamp);
                if (!Expected_Value_type.EXPECTED_TEMPLATE.equals(internalExpectedValue)) {
                    templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a value was expected instead of {0}", assignment.getDescription()));
                    setIsErroneous(true);
                    return -1;
                }
                break;
            case A_VAR_TEMPLATE:
            case A_PAR_TEMP_IN:
            case A_PAR_TEMP_OUT:
            case A_PAR_TEMP_INOUT:
                if (!Expected_Value_type.EXPECTED_TEMPLATE.equals(internalExpectedValue)) {
                    templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a value was expected instead of {0}", assignment.getDescription()));
                    setIsErroneous(true);
                    return -1;
                }
                break;
            case A_FUNCTION_RVAL:
            case A_EXT_FUNCTION_RVAL:
                switch(internalExpectedValue) {
                    case EXPECTED_CONSTANT:
                        templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a constant value was expected instead of the return value of {0}", assignment.getDescription()));
                        setIsErroneous(true);
                        return -1;
                    case EXPECTED_STATIC_VALUE:
                        templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a static value was expected instead of the return value of {0}", assignment.getDescription()));
                        setIsErroneous(true);
                        return -1;
                    default:
                        break;
                }
                break;
            case A_FUNCTION_RTEMP:
            case A_EXT_FUNCTION_RTEMP:
                if (!Expected_Value_type.EXPECTED_TEMPLATE.equals(internalExpectedValue)) {
                    templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a value was expected instead of a call of {0}, which returns a template", assignment.getDescription()));
                    setIsErroneous(true);
                    return -1;
                }
                break;
            case A_TIMER:
            case A_PORT:
                // were already checked separately.
                break;
            default:
                templateInstance.getLocation().reportSemanticError(MessageFormat.format("Reference to a {0} was expected instead of {1}", Expected_Value_type.EXPECTED_TEMPLATE.equals(internalExpectedValue) ? "value or template" : "value", assignment.getDescription()));
                setIsErroneous(true);
                return -1;
        }
        type = assignment.getType(timestamp).getFieldType(timestamp, reference, 1, Expected_Value_type.EXPECTED_DYNAMIC_VALUE, false);
        if (type == null || type.getIsErroneous(timestamp)) {
            setIsErroneous(true);
            return -1;
        }
        type = type.getTypeRefdLast(timestamp);
        switch(type.getTypetype()) {
            case TYPE_SEQUENCE_OF:
            case TYPE_SET_OF:
            case TYPE_TTCN3_SEQUENCE:
            case TYPE_TTCN3_SET:
            case TYPE_ASN1_SEQUENCE:
            case TYPE_ASN1_SET:
            case TYPE_ARRAY:
            case TYPE_OBJECTID:
            case TYPE_ROID:
            case TYPE_UNDEFINED:
                break;
            default:
                templateInstance.getLocation().reportSemanticError("Reference to a value or template of type record, record of, set, set of, objid or array was expected");
                setIsErroneous(true);
                return -1;
        }
    }
    // check for index overflows in subrefs if possible
    if (value != null) {
        switch(value.getValuetype()) {
            case SEQUENCEOF_VALUE:
                if (((SequenceOf_Value) value).isIndexed()) {
                    return -1;
                }
                break;
            case SETOF_VALUE:
                if (((SetOf_Value) value).isIndexed()) {
                    return -1;
                }
                break;
            case ARRAY_VALUE:
                if (((Array_Value) value).isIndexed()) {
                    return -1;
                }
                break;
            default:
                break;
        }
        /* The reference points to a constant.  */
        if (subreferences != null && !reference.hasUnfoldableIndexSubReference(timestamp)) {
            value = value.getReferencedSubValue(timestamp, reference, 1, referenceChain);
            if (value == null) {
                setIsErroneous(true);
                return -1;
            }
            value = value.getValueRefdLast(timestamp, referenceChain);
        } else {
            // stop processing
            value = null;
        }
    } else if (template != null) {
        /* The size of INDEXED_TEMPLATE_LIST nodes is unknown at compile
		         time.  Don't try to evaluate it at compile time.  */
        if (reference != null && reference.hasUnfoldableIndexSubReference(timestamp)) {
            return -1;
        }
        if (reference != null && subreferences != null) {
            template = template.getReferencedSubTemplate(timestamp, reference, referenceChain);
            if (template == null) {
                setIsErroneous(true);
                return -1;
            }
            template = template.getTemplateReferencedLast(timestamp);
        }
    }
    if (template != null) {
        if (template.getIsErroneous(timestamp)) {
            setIsErroneous(true);
            return -1;
        }
        switch(template.getTemplatetype()) {
            case TEMPLATE_REFD:
                template = null;
                break;
            case SPECIFIC_VALUE:
                value = ((SpecificValue_Template) template).getSpecificValue().getValueRefdLast(timestamp, referenceChain);
                template = null;
                break;
            case TEMPLATE_LIST:
            case NAMED_TEMPLATE_LIST:
            case SUBSET_MATCH:
            case SUPERSET_MATCH:
                break;
            default:
                // FIXME this can not happen
                templateInstance.getLocation().reportSemanticError(MessageFormat.format("`sizeof'' operation is not applicable to {0}", template.getTemplateTypeName()));
                setIsErroneous(true);
                return -1;
        }
    }
    if (value != null) {
        switch(value.getValuetype()) {
            case SEQUENCEOF_VALUE:
            case SETOF_VALUE:
            case ARRAY_VALUE:
            case RELATIVEOBJECTIDENTIFIER_VALUE:
            case OBJECTID_VALUE:
            case SEQUENCE_VALUE:
            case SET_VALUE:
                break;
            default:
                value = null;
                return -1;
        }
    }
    /* evaluation */
    if (Type_type.TYPE_ARRAY.equals(type.getTypetype())) {
        return ((Array_Type) type).getDimension().getSize();
    } else if (template != null) {
        return evaluateTemplate(template, timestamp);
    } else if (value != null) {
        return evaluateValue(value);
    } else {
        return -1;
    }
}

Example 2 with SetOf_Value

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

the class ReplaceExpression method checkExpressionOperandsHelper.

private void checkExpressionOperandsHelper(final CompilationTimeStamp timestamp, final IValue value1, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
    if (templateInstance1 == null || getIsErroneous(timestamp)) {
        return;
    }
    long valueSize = -1;
    if (!value1.isUnfoldable(timestamp)) {
        IValue temp = value1.setLoweridToReference(timestamp);
        temp = temp.getValueRefdLast(timestamp, referenceChain);
        switch(temp.getValuetype()) {
            case BITSTRING_VALUE:
                valueSize = ((Bitstring_Value) temp).getValueLength();
                break;
            case HEXSTRING_VALUE:
                valueSize = ((Hexstring_Value) temp).getValueLength();
                break;
            case OCTETSTRING_VALUE:
                valueSize = ((Octetstring_Value) temp).getValueLength();
                break;
            case CHARSTRING_VALUE:
                valueSize = ((Charstring_Value) temp).getValueLength();
                break;
            case UNIVERSALCHARSTRING_VALUE:
                valueSize = ((UniversalCharstring_Value) temp).getValueLength();
                break;
            case SETOF_VALUE:
                valueSize = ((SetOf_Value) temp).getNofComponents();
                break;
            case SEQUENCEOF_VALUE:
                valueSize = ((SequenceOf_Value) temp).getNofComponents();
                break;
            default:
                break;
        }
    }
    if (valueSize < 0) {
        return;
    }
    if (value2 == null || value3 == null || templateInstance4 == null) {
        return;
    }
    if (value2.isUnfoldable(timestamp)) {
        if (!value3.isUnfoldable(timestamp)) {
            final IValue last3 = value3.getValueRefdLast(timestamp, expectedValue, referenceChain);
            final long last3Value = ((Integer_Value) last3).getValue();
            if (last3Value > valueSize) {
                location.reportSemanticError(MessageFormat.format(OPERANDERROR8, last3Value, valueSize));
                setIsErroneous(true);
            }
        }
    } else {
        final IValue last2 = value2.getValueRefdLast(timestamp, expectedValue, referenceChain);
        final long last2Value = ((Integer_Value) last2).getValue();
        if (value3.isUnfoldable(timestamp)) {
            if (last2Value > valueSize) {
                location.reportSemanticError(MessageFormat.format(OPERANDERROR9, last2Value, valueSize));
                setIsErroneous(true);
            }
        } else {
            final IValue last3 = value3.getValueRefdLast(timestamp, expectedValue, referenceChain);
            final long last3Value = ((Integer_Value) last3).getValue();
            if (last2Value + last3Value > valueSize) {
                location.reportSemanticError(MessageFormat.format(OPERANDERROR10, last2Value, last3Value, valueSize));
                setIsErroneous(true);
            }
        }
    }
}

Example 3 with SetOf_Value

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

the class AbstractOfType method checkThisValueSetOf.

/**
 * Checks the SequenceOf_value kind value against this type.
 * SequenceOf_value kinds have to be converted before calling this
 * function.
 * <p>
 * Please note, that this function can only be called once we know for
 * sure that the value is of set-of type.
 *
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 * @param value
 *                the value to be checked
 * @param expectedValue
 *                the kind of value expected here.
 * @param incompleteAllowed
 *                wheather incomplete value is allowed or not.
 * @param implicitOmit
 *                true if the implicit omit optional attribute was set
 *                for the value, false otherwise
 */
public boolean checkThisValueSetOf(final CompilationTimeStamp timestamp, final SetOf_Value value, final Assignment lhs, final Expected_Value_type expectedValue, final boolean incompleteAllowed, final boolean implicitOmit, final boolean strElem) {
    boolean selfReference = false;
    if (value.isIndexed()) {
        boolean checkHoles = Expected_Value_type.EXPECTED_CONSTANT.equals(expectedValue);
        BigInteger maxIndex = BigInteger.valueOf(-1);
        final Map<BigInteger, Integer> indexMap = new HashMap<BigInteger, Integer>(value.getNofComponents());
        for (int i = 0, size = value.getNofComponents(); i < size; i++) {
            final IValue component = value.getValueByIndex(i);
            final Value index = value.getIndexByIndex(i);
            final IReferenceChain referenceChain = ReferenceChain.getInstance(IReferenceChain.CIRCULARREFERENCE, true);
            final IValue indexLast = index.getValueRefdLast(timestamp, referenceChain);
            referenceChain.release();
            if (indexLast.getIsErroneous(timestamp) || !Value_type.INTEGER_VALUE.equals(indexLast.getValuetype())) {
                checkHoles = false;
            } else {
                final BigInteger tempIndex = ((Integer_Value) indexLast).getValueValue();
                if (tempIndex.compareTo(BigInteger.valueOf(Integer.MAX_VALUE)) == 1) {
                    index.getLocation().reportSemanticError(MessageFormat.format("A integer value less than `{0}'' was expected for indexing type `{1}'' instead of `{2}''", Integer.MAX_VALUE, getTypename(), tempIndex));
                    checkHoles = false;
                } else if (tempIndex.compareTo(BigInteger.ZERO) == -1) {
                    index.getLocation().reportSemanticError(MessageFormat.format("A non-negative integer value was expected for indexing type `{0}'' instead of `{1}''", getTypename(), tempIndex));
                    checkHoles = false;
                } else if (indexMap.containsKey(tempIndex)) {
                    index.getLocation().reportSemanticError(MessageFormat.format("Duplicate index value `{0}'' for components {1} and {2}", tempIndex, indexMap.get(tempIndex), i + 1));
                    checkHoles = false;
                } else {
                    indexMap.put(tempIndex, Integer.valueOf(i + 1));
                    if (maxIndex.compareTo(tempIndex) == -1) {
                        maxIndex = tempIndex;
                    }
                }
            }
            component.setMyGovernor(getOfType());
            final IValue tempValue2 = getOfType().checkThisValueRef(timestamp, component);
            selfReference |= getOfType().checkThisValue(timestamp, tempValue2, lhs, new ValueCheckingOptions(expectedValue, incompleteAllowed, false, true, implicitOmit, strElem));
        }
        if (checkHoles && maxIndex.compareTo(BigInteger.valueOf(indexMap.size() - 1)) != 0) {
            value.getLocation().reportSemanticError("It's not allowed to create hole(s) in constant values");
        }
    } else {
        for (int i = 0, size = value.getNofComponents(); i < size; i++) {
            final IValue component = value.getValueByIndex(i);
            component.setMyGovernor(getOfType());
            if (Value_type.NOTUSED_VALUE.equals(component.getValuetype())) {
                if (!incompleteAllowed) {
                    component.getLocation().reportSemanticError(INCOMPLETEPRESENTERROR);
                }
            } else {
                final IValue tempValue2 = getOfType().checkThisValueRef(timestamp, component);
                selfReference |= getOfType().checkThisValue(timestamp, tempValue2, lhs, new ValueCheckingOptions(expectedValue, incompleteAllowed, false, true, implicitOmit, strElem));
            }
        }
    }
    value.setLastTimeChecked(timestamp);
    return selfReference;
}

Example 4 with SetOf_Value

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

the class SetOf_Type method checkThisValue.

@Override
public /**
 * {@inheritDoc}
 */
boolean checkThisValue(final CompilationTimeStamp timestamp, final IValue value, final Assignment lhs, final ValueCheckingOptions valueCheckingOptions) {
    if (getIsErroneous(timestamp)) {
        return false;
    }
    boolean selfReference = super.checkThisValue(timestamp, value, lhs, valueCheckingOptions);
    IValue last = value.getValueRefdLast(timestamp, valueCheckingOptions.expected_value, null);
    if (last == null || last.getIsErroneous(timestamp)) {
        return selfReference;
    }
    // already handled ones
    switch(value.getValuetype()) {
        case OMIT_VALUE:
        case REFERENCED_VALUE:
            return selfReference;
        case UNDEFINED_LOWERIDENTIFIER_VALUE:
            if (Value_type.REFERENCED_VALUE.equals(last.getValuetype())) {
                return selfReference;
            }
            break;
        default:
            break;
    }
    if (Value_type.UNDEFINED_BLOCK.equals(last.getValuetype())) {
        last = last.setValuetype(timestamp, Value_type.SETOF_VALUE);
    }
    if (last.getIsErroneous(timestamp)) {
        return selfReference;
    }
    switch(last.getValuetype()) {
        case SEQUENCEOF_VALUE:
            last = last.setValuetype(timestamp, Value_type.SETOF_VALUE);
            selfReference = checkThisValueSetOf(timestamp, (SetOf_Value) last, lhs, valueCheckingOptions.expected_value, valueCheckingOptions.incomplete_allowed, valueCheckingOptions.implicit_omit, valueCheckingOptions.str_elem);
            break;
        case SETOF_VALUE:
            selfReference = checkThisValueSetOf(timestamp, (SetOf_Value) last, lhs, valueCheckingOptions.expected_value, valueCheckingOptions.incomplete_allowed, valueCheckingOptions.implicit_omit, valueCheckingOptions.str_elem);
            break;
        case EXPRESSION_VALUE:
        case MACRO_VALUE:
            // already checked
            break;
        default:
            if (value.isAsn()) {
                value.getLocation().reportSemanticError(SETOFVALUEEXPECTED1);
            } else {
                value.getLocation().reportSemanticError(SETOFVALUEEXPECTED2);
            }
            value.setIsErroneous(true);
    }
    if (valueCheckingOptions.sub_check) {
        // there is no parent type to check
        if (subType != null) {
            subType.checkThisValue(timestamp, last);
        }
    }
    value.setLastTimeChecked(timestamp);
    return selfReference;
}

Example 5 with SetOf_Value

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

the class SubType method checkThisValue.

/**
 * Checks if a given value is valid according to this sub-type.
 *
 * @param timestamp
 *                the time stamp of the actual semantic check cycle.
 * @param value
 *                the value to be checked
 */
public void checkThisValue(final CompilationTimeStamp timestamp, final IValue value) {
    if (getIsErroneous(timestamp) || (subtypeConstraint == null)) {
        return;
    }
    if (value.getIsErroneous(timestamp)) {
        return;
    }
    final IValue last = value.getValueRefdLast(timestamp, Expected_Value_type.EXPECTED_DYNAMIC_VALUE, null);
    if (last.getIsErroneous(timestamp)) {
        return;
    }
    boolean isValid = true;
    switch(last.getValuetype()) {
        case INTEGER_VALUE:
            if (subtypeType != SubType_type.ST_INTEGER) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(new IntegerLimit(((Integer_Value) last).getValueValue()));
            break;
        case REAL_VALUE:
            if (subtypeType == SubType_type.ST_FLOAT) {
                isValid = subtypeConstraint.isElement(((Real_Value) last).getValue());
                break;
            } else if (subtypeType == SubType_type.ST_INTEGER) {
                final Real_Value real = (Real_Value) last;
                if (real.isNegativeInfinity()) {
                    isValid = subtypeConstraint.isElement(IntegerLimit.MINIMUM);
                    break;
                } else if (real.isPositiveInfinity()) {
                    isValid = subtypeConstraint.isElement(IntegerLimit.MAXIMUM);
                    break;
                }
            }
            ErrorReporter.INTERNAL_ERROR();
            return;
        case BOOLEAN_VALUE:
            if (subtypeType != SubType_type.ST_BOOLEAN) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(((Boolean_Value) last).getValue());
            break;
        case VERDICT_VALUE:
            if (subtypeType != SubType_type.ST_VERDICTTYPE) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(((Verdict_Value) last).getValue());
            break;
        case BITSTRING_VALUE:
            if (subtypeType != SubType_type.ST_BITSTRING) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(((Bitstring_Value) last).getValue());
            break;
        case HEXSTRING_VALUE:
            if (subtypeType != SubType_type.ST_HEXSTRING) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(((Hexstring_Value) last).getValue());
            break;
        case OCTETSTRING_VALUE:
            if (subtypeType != SubType_type.ST_OCTETSTRING) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(((Octetstring_Value) last).getValue());
            break;
        case CHARSTRING_VALUE:
            switch(subtypeType) {
                case ST_CHARSTRING:
                    isValid = subtypeConstraint.isElement(((Charstring_Value) last).getValue());
                    break;
                case ST_UNIVERSAL_CHARSTRING:
                    isValid = subtypeConstraint.isElement(new UniversalCharstring(((Charstring_Value) last).getValue()));
                    break;
                default:
                    ErrorReporter.INTERNAL_ERROR();
                    return;
            }
            break;
        case UNIVERSALCHARSTRING_VALUE:
            if (subtypeType != SubType_type.ST_UNIVERSAL_CHARSTRING) {
                ErrorReporter.INTERNAL_ERROR();
                return;
            }
            isValid = subtypeConstraint.isElement(((UniversalCharstring_Value) last).getValue());
            break;
        case SEQUENCEOF_VALUE:
        case SETOF_VALUE:
        case OBJECTID_VALUE:
        case ENUMERATED_VALUE:
        case CHOICE_VALUE:
        case SEQUENCE_VALUE:
        case SET_VALUE:
        case FUNCTION_REFERENCE_VALUE:
        case ALTSTEP_REFERENCE_VALUE:
        case TESTCASE_REFERENCE_VALUE:
            if (value.isUnfoldable(timestamp)) {
                return;
            }
            isValid = subtypeConstraint.isElement(last);
            break;
        default:
            return;
    }
    if (!isValid) {
        value.getLocation().reportSemanticError(MessageFormat.format("{0} is not a valid value for type `{1}'' which has subtype {2}", last.createStringRepresentation(), myOwner.getTypename(), subtypeConstraint.toString()));
    }
}