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

Example 1 with ISubReference

use of org.eclipse.titan.designer.AST.ISubReference 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 ISubReference

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

the class Octetstring_Value method getReferencedSubValue.

@Override
public /**
 * {@inheritDoc}
 */
IValue getReferencedSubValue(final CompilationTimeStamp timestamp, final Reference reference, final int actualSubReference, final IReferenceChain refChain) {
    final List<ISubReference> subreferences = reference.getSubreferences();
    if (getIsErroneous(timestamp) || subreferences.size() <= actualSubReference) {
        return this;
    }
    final IType type = myGovernor.getTypeRefdLast(timestamp);
    final ISubReference subreference = subreferences.get(actualSubReference);
    switch(subreference.getReferenceType()) {
        case arraySubReference:
            final Value arrayIndex = ((ArraySubReference) subreference).getValue();
            final IValue valueIndex = arrayIndex.getValueRefdLast(timestamp, refChain);
            if (!valueIndex.isUnfoldable(timestamp)) {
                if (Value_type.INTEGER_VALUE.equals(valueIndex.getValuetype())) {
                    final int index = ((Integer_Value) valueIndex).intValue();
                    return getStringElement(index, arrayIndex.getLocation());
                }
                arrayIndex.getLocation().reportSemanticError(ArraySubReference.INTEGERINDEXEXPECTED);
                return null;
            }
            return null;
        case fieldSubReference:
            subreference.getLocation().reportSemanticError(MessageFormat.format(FieldSubReference.INVALIDSUBREFERENCE, ((FieldSubReference) subreference).getId().getDisplayName(), type.getTypename()));
            return null;
        case parameterisedSubReference:
            subreference.getLocation().reportSemanticError(ParameterisedSubReference.INVALIDVALUESUBREFERENCE);
            return null;
        default:
            subreference.getLocation().reportSemanticError(ISubReference.INVALIDSUBREFERENCE);
            return null;
    }
}

Example 3 with ISubReference

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

the class Real_Value method getReferencedSubValue.

@Override
public /**
 * {@inheritDoc}
 */
IValue getReferencedSubValue(final CompilationTimeStamp timestamp, final Reference reference, final int actualSubReference, final IReferenceChain refChain) {
    final List<ISubReference> subreferences = reference.getSubreferences();
    if (getIsErroneous(timestamp) || subreferences.size() <= actualSubReference) {
        return this;
    }
    final IType type = myGovernor.getTypeRefdLast(timestamp);
    final ISubReference subreference = subreferences.get(actualSubReference);
    switch(subreference.getReferenceType()) {
        case arraySubReference:
            subreference.getLocation().reportSemanticError(MessageFormat.format(ArraySubReference.INVALIDVALUESUBREFERENCE, type.getTypename()));
            return null;
        case fieldSubReference:
            subreference.getLocation().reportSemanticError(MessageFormat.format(FieldSubReference.INVALIDSUBREFERENCE, ((FieldSubReference) subreference).getId().getDisplayName(), type.getTypename()));
            return null;
        case parameterisedSubReference:
            subreference.getLocation().reportSemanticError(ParameterisedSubReference.INVALIDVALUESUBREFERENCE);
            return null;
        default:
            subreference.getLocation().reportSemanticError(ISubReference.INVALIDSUBREFERENCE);
            return null;
    }
}

Example 4 with ISubReference

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

the class Referenced_Value method checkExpressionOmitComparison.

@Override
public /**
 * {@inheritDoc}
 */
void checkExpressionOmitComparison(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue) {
    if (getIsErroneous(timestamp)) {
        return;
    }
    final List<ISubReference> subreferences = new ArrayList<ISubReference>();
    subreferences.addAll(reference.getSubreferences());
    if (subreferences.size() <= 1) {
        return;
    }
    final ISubReference subreference = subreferences.remove(subreferences.size() - 1);
    final Identifier id = subreference.getId();
    if (id == null) {
        getLocation().reportSemanticError("Only a reference pointing to an optional record or set field can be compared with `omit'");
        setIsErroneous(true);
        return;
    }
    final Assignment assignment = reference.getRefdAssignment(timestamp, true);
    if (assignment == null) {
        setIsErroneous(true);
        return;
    }
    IType type = assignment.getType(timestamp);
    if (type == null) {
        setIsErroneous(true);
        return;
    }
    final Reference tempReference = new Reference(null, subreferences);
    tempReference.setFullNameParent(this);
    tempReference.setMyScope(myScope);
    type = type.getFieldType(timestamp, tempReference, 1, expectedValue, false);
    if (type == null) {
        setIsErroneous(true);
        return;
    }
    type = type.getTypeRefdLast(timestamp);
    if (type == null || type.getIsErroneous(timestamp)) {
        setIsErroneous(true);
        return;
    }
    switch(type.getTypetype()) {
        case TYPE_ASN1_SEQUENCE:
            if (!((ASN1_Sequence_Type) type).hasComponentWithName(id)) {
                getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' does not have field named `{1}''", type.getTypename(), id.getDisplayName()));
                setIsErroneous(true);
            } else if (!((ASN1_Sequence_Type) type).getComponentByName(id).isOptional()) {
                getLocation().reportSemanticError(MessageFormat.format("Field `{0}'' is mandatory in type`{1}''. It cannot be compared with `omit''", id.getDisplayName(), type.getTypename()));
                setIsErroneous(true);
            }
            break;
        case TYPE_TTCN3_SEQUENCE:
            if (!((TTCN3_Sequence_Type) type).hasComponentWithName(id.getName())) {
                getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' does not have field named `{1}''", type.getTypename(), id.getDisplayName()));
                setIsErroneous(true);
            } else if (!((TTCN3_Sequence_Type) type).getComponentByName(id.getName()).isOptional()) {
                getLocation().reportSemanticError(MessageFormat.format("Field `{0}'' is mandatory in type`{1}''. It cannot be compared with `omit''", id.getDisplayName(), type.getTypename()));
                setIsErroneous(true);
            }
            break;
        case TYPE_ASN1_SET:
            if (!((ASN1_Set_Type) type).hasComponentWithName(id)) {
                getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' does not have field named `{1}''", type.getTypename(), id.getDisplayName()));
                setIsErroneous(true);
            } else if (!((ASN1_Set_Type) type).getComponentByName(id).isOptional()) {
                getLocation().reportSemanticError(MessageFormat.format("Field `{0}'' is mandatory in type`{1}''. It cannot be compared with `omit''", id.getDisplayName(), type.getTypename()));
                setIsErroneous(true);
            }
            break;
        case TYPE_TTCN3_SET:
            if (!((TTCN3_Set_Type) type).hasComponentWithName(id.getName())) {
                getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' does not have field named `{1}''", type.getTypename(), id.getDisplayName()));
                setIsErroneous(true);
            } else if (!((TTCN3_Set_Type) type).getComponentByName(id.getName()).isOptional()) {
                getLocation().reportSemanticError(MessageFormat.format("Field `{0}'' is mandatory in type`{1}''. It cannot be compared with `omit''", id.getDisplayName(), type.getTypename()));
                setIsErroneous(true);
            }
            break;
        default:
            getLocation().reportSemanticError("Only a reference pointing to an optional record or set field can be compared with `omit'");
            setIsErroneous(true);
            break;
    }
}

Example 5 with ISubReference

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

the class Referenced_Value method getReferencedSubValue.

@Override
public /**
 * {@inheritDoc}
 */
IValue getReferencedSubValue(final CompilationTimeStamp timestamp, final Reference reference, final int actualSubReference, final IReferenceChain refChain) {
    final List<ISubReference> subreferences = reference.getSubreferences();
    if (getIsErroneous(timestamp) || subreferences.size() <= actualSubReference) {
        return this;
    }
    IValue result = getValueRefdLast(timestamp, refChain);
    if (result != null && result != this) {
        result = result.getReferencedSubValue(timestamp, reference, actualSubReference, refChain);
        if (result != null && result.getIsErroneous(timestamp)) {
            setIsErroneous(true);
        }
        return result;
    }
    return this;
}