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

Example 1 with LengthRestriction

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

the class SizeOfExpression method evaluateTemplate.

/**
 * Evaluates a checked template.
 *
 * @param template
 *                The template to evaluate
 * @param timestamp
 *                The compilation timestamp
 * @return The folded value or -1 if the template is unfoldable.
 */
private long evaluateTemplate(final ITTCN3Template template, final CompilationTimeStamp timestamp) {
    switch(template.getTemplatetype()) {
        case TEMPLATE_LIST:
            {
                final Template_List temp = (Template_List) template;
                if (temp.templateContainsAnyornone()) {
                    final LengthRestriction lengthRestriction = temp.getLengthRestriction();
                    if (lengthRestriction == null) {
                        templateInstance.getLocation().reportSemanticError("`sizeof' operation is not applicable for templates containing `*' without length restriction");
                        setIsErroneous(true);
                        return -1;
                    }
                    if (lengthRestriction instanceof RangeLenghtRestriction) {
                        final IValue upper = ((RangeLenghtRestriction) lengthRestriction).getUpperValue(timestamp);
                        if (Value_type.REAL_VALUE.equals(upper.getValuetype()) && ((Real_Value) upper).isPositiveInfinity()) {
                            templateInstance.getLocation().reportSemanticError("`sizeof' operation is not applicable for templates containing `*' without upper boundary in the length restriction");
                            setIsErroneous(true);
                            return -1;
                        }
                        if (Value_type.INTEGER_VALUE.equals(upper.getValuetype())) {
                            final int nofComponents = temp.getNofTemplatesNotAnyornone(timestamp);
                            if (nofComponents == ((Integer_Value) upper).intValue()) {
                                return nofComponents;
                            }
                            final IValue lower = ((RangeLenghtRestriction) lengthRestriction).getLowerValue(timestamp);
                            if (lower != null && Value_type.INTEGER_VALUE.equals(lower.getValuetype()) && ((Integer_Value) upper).intValue() == ((Integer_Value) lower).intValue()) {
                                return ((Integer_Value) upper).intValue();
                            }
                            templateInstance.getLocation().reportSemanticError("`sizeof' operation is not applicable for templates without exact size");
                            setIsErroneous(true);
                            return -1;
                        }
                    } else {
                        final IValue restriction = ((SingleLenghtRestriction) lengthRestriction).getRestriction(timestamp);
                        if (Value_type.INTEGER_VALUE.equals(restriction.getValuetype())) {
                            return ((Integer_Value) restriction).intValue();
                        }
                    }
                } else {
                    int result = 0;
                    for (int i = 0, size = temp.getNofTemplates(); i < size; i++) {
                        final ITTCN3Template tmp = temp.getTemplateByIndex(i);
                        switch(tmp.getTemplatetype()) {
                            case SPECIFIC_VALUE:
                                if (tmp.getValue().getValuetype() != Value_type.OMIT_VALUE) {
                                    ++result;
                                }
                                break;
                            default:
                                ++result;
                        }
                    }
                    return result;
                }
                break;
            }
        case NAMED_TEMPLATE_LIST:
            {
                int result = 0;
                final Named_Template_List temp = (Named_Template_List) template;
                for (int i = 0, size = temp.getNofTemplates(); i < size; i++) {
                    final ITTCN3Template tmp = temp.getTemplateByIndex(i).getTemplate();
                    switch(tmp.getTemplatetype()) {
                        case SPECIFIC_VALUE:
                            if (tmp.getValue().getValuetype() != Value_type.OMIT_VALUE) {
                                ++result;
                            }
                            break;
                        default:
                            ++result;
                    }
                }
                return result;
            }
        case SUBSET_MATCH:
            {
                final LengthRestriction restriction = template.getLengthRestriction();
                if (restriction instanceof SingleLenghtRestriction) {
                    final IValue value = ((SingleLenghtRestriction) restriction).getRestriction(timestamp);
                    if (value.getValuetype() == Value_type.INTEGER_VALUE && !value.isUnfoldable(timestamp)) {
                        return ((Integer_Value) value).getValue();
                    } else {
                        return -1;
                    }
                } else if (restriction instanceof RangeLenghtRestriction) {
                    final IValue minValue = ((RangeLenghtRestriction) restriction).getLowerValue(timestamp);
                    if (minValue.getValuetype() != Value_type.INTEGER_VALUE || minValue.isUnfoldable(timestamp)) {
                        return -1;
                    }
                    final SubsetMatch_Template temp = (SubsetMatch_Template) template;
                    if (temp.getNofTemplates() != ((Integer_Value) minValue).getValue()) {
                        return -1;
                    }
                    for (int i = 0, size = temp.getNofTemplates(); i < size; i++) {
                        final ITTCN3Template tmp = temp.getTemplateByIndex(i);
                        switch(tmp.getTemplatetype()) {
                            case SPECIFIC_VALUE:
                                break;
                            default:
                                return -1;
                        }
                    }
                    return temp.getNofTemplates();
                }
                return -1;
            }
        case SUPERSET_MATCH:
            {
                final LengthRestriction restriction = template.getLengthRestriction();
                if (restriction instanceof SingleLenghtRestriction) {
                    final IValue value = ((SingleLenghtRestriction) restriction).getRestriction(timestamp);
                    if (value.getValuetype() == Value_type.INTEGER_VALUE && !value.isUnfoldable(timestamp)) {
                        return ((Integer_Value) value).getValue();
                    } else {
                        return -1;
                    }
                } else if (restriction instanceof RangeLenghtRestriction) {
                    final IValue maxValue = ((RangeLenghtRestriction) restriction).getUpperValue(timestamp);
                    if (maxValue.getValuetype() != Value_type.INTEGER_VALUE || maxValue.isUnfoldable(timestamp)) {
                        return -1;
                    }
                    final SupersetMatch_Template temp = (SupersetMatch_Template) template;
                    if (temp.getNofTemplates() != ((Integer_Value) maxValue).getValue()) {
                        return -1;
                    }
                    for (int i = 0, size = temp.getNofTemplates(); i < size; i++) {
                        final ITTCN3Template tmp = temp.getTemplateByIndex(i);
                        switch(tmp.getTemplatetype()) {
                            case SPECIFIC_VALUE:
                                break;
                            default:
                                return -1;
                        }
                    }
                    return temp.getNofTemplates();
                }
                return -1;
            }
        default:
            return -1;
    }
    return -1;
}

Example 2 with LengthRestriction

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

the class Indexed_Template_List method generateCodeInit.

@Override
public /**
 * {@inheritDoc}
 */
void generateCodeInit(final JavaGenData aData, final StringBuilder source, final String name) {
    if (lastTimeBuilt != null && !lastTimeBuilt.isLess(aData.getBuildTimstamp())) {
        return;
    }
    lastTimeBuilt = aData.getBuildTimstamp();
    if (asValue != null) {
        asValue.generateCodeInit(aData, source, name);
        return;
    }
    if (myGovernor == null) {
        return;
    }
    // FIXME actually a bit more complex
    final IType type = myGovernor.getTypeRefdLast(CompilationTimeStamp.getBaseTimestamp());
    String ofTypeName;
    switch(type.getTypetype()) {
        case TYPE_SEQUENCE_OF:
            ofTypeName = ((SequenceOf_Type) type).getOfType().getGenNameTemplate(aData, source, myScope);
            break;
        case TYPE_SET_OF:
            ofTypeName = ((SetOf_Type) type).getOfType().getGenNameTemplate(aData, source, myScope);
            break;
        case TYPE_ARRAY:
            ofTypeName = ((Array_Type) type).getElementType().getGenNameTemplate(aData, source, myScope);
            break;
        default:
            ErrorReporter.INTERNAL_ERROR("FATAL ERROR while processing indexed template `" + getFullName() + "''");
            return;
    }
    if (indexedTemplates.getNofTemplates() == 0) {
        aData.addBuiltinTypeImport("TitanNull_Type");
        source.append(MessageFormat.format("{0}.assign(TitanNull_Type.NULL_VALUE);\n", name));
    }
    // else is not needed as the loop will not run
    for (int i = 0; i < indexedTemplates.getNofTemplates(); i++) {
        final IndexedTemplate indexedTemplate = indexedTemplates.getTemplateByIndex(i);
        final String tempId = aData.getTemporaryVariableName();
        source.append("{\n");
        final Value index = indexedTemplate.getIndex().getValue();
        if (Value_type.INTEGER_VALUE.equals(index.getValuetype())) {
            source.append(MessageFormat.format("{0} {1} = {2}.getAt({3});\n", ofTypeName, tempId, name, ((Integer_Value) index).getValue()));
        } else {
            final String tempId2 = aData.getTemporaryVariableName();
            source.append(MessageFormat.format("TitanInteger {0} = new TitanInteger();\n", tempId2));
            index.generateCodeInit(aData, source, tempId2);
            source.append(MessageFormat.format("{0} {1} = {2}.getAt({3});\n", ofTypeName, tempId, name, tempId2));
        }
        indexedTemplate.getTemplate().generateCodeInit(aData, source, tempId);
        source.append("}\n");
    }
    if (lengthRestriction != null) {
        if (getCodeSection() == CodeSectionType.CS_POST_INIT) {
            lengthRestriction.reArrangeInitCode(aData, source, myScope.getModuleScope());
        }
        lengthRestriction.generateCodeInit(aData, source, name);
    }
    if (isIfpresent) {
        source.append(name);
        source.append(".set_ifPresent();\n");
    }
}

Example 3 with LengthRestriction

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

the class Invoke_Template method generateCodeExpression.

@Override
public /**
 * {@inheritDoc}
 */
void generateCodeExpression(final JavaGenData aData, final ExpressionStruct expression, final TemplateRestriction.Restriction_type templateRestriction) {
    IType governor = myGovernor;
    if (governor == null) {
        governor = getExpressionGovernor(CompilationTimeStamp.getBaseTimestamp(), Expected_Value_type.EXPECTED_TEMPLATE);
    }
    if (governor == null) {
        return;
    }
    if (lengthRestriction == null && !isIfpresent && templateRestriction == Restriction_type.TR_NONE) {
        // The single expression must be tried first because this rule might cover some referenced templates.
        if (hasSingleExpression()) {
            final String genName = governor.getGenNameTemplate(aData, expression.expression, myScope);
            expression.expression.append(MessageFormat.format("new {0}(", genName));
            if (governor.getTypetype() == Type_type.TYPE_ARRAY) {
                final Array_Type array_type = (Array_Type) governor;
                expression.expression.append(MessageFormat.format(" {0}.class, ", array_type.getElementType().getGenNameTemplate(aData, expression.expression, myScope)));
            }
            expression.expression.append(getSingleExpression(aData, true));
            expression.expression.append(')');
            return;
        }
        generateCodeExpressionInvoke(aData, expression);
        return;
    }
    final String tempId = aData.getTemporaryVariableName();
    expression.preamble.append(MessageFormat.format("{0} {1} = new {0}();\n", governor.getGenNameTemplate(aData, expression.expression, myScope), tempId));
    generateCodeInit(aData, expression.preamble, tempId);
    if (templateRestriction != Restriction_type.TR_NONE) {
        TemplateRestriction.generateRestrictionCheckCode(aData, expression.expression, location, tempId, templateRestriction);
    }
    expression.expression.append(tempId);
}

Example 4 with LengthRestriction

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

the class Invoke_Template method generateCodeInit.

@Override
public /**
 * {@inheritDoc}
 */
void generateCodeInit(final JavaGenData aData, final StringBuilder source, final String name) {
    if (lastTimeBuilt != null && !lastTimeBuilt.isLess(aData.getBuildTimstamp())) {
        return;
    }
    lastTimeBuilt = aData.getBuildTimstamp();
    if (getCodeSection() == CodeSectionType.CS_POST_INIT) {
        reArrangeInitCode(aData, source, myScope.getModuleScope());
    }
    final ExpressionStruct expression = new ExpressionStruct();
    expression.expression.append(MessageFormat.format("{0}.assign(", name));
    generateCodeExpressionInvoke(aData, expression);
    expression.expression.append(')');
    if (lengthRestriction != null) {
        if (getCodeSection() == CodeSectionType.CS_POST_INIT) {
            lengthRestriction.reArrangeInitCode(aData, source, myScope.getModuleScope());
        }
        lengthRestriction.generateCodeInit(aData, source, name);
    }
    if (isIfpresent) {
        source.append(name);
        source.append(".set_ifPresent();\n");
    }
}

Example 5 with LengthRestriction

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

the class Invoke_Template method updateSyntax.

@Override
public /**
 * {@inheritDoc}
 */
void updateSyntax(final TTCN3ReparseUpdater reparser, final boolean isDamaged) throws ReParseException {
    if (isDamaged) {
        throw new ReParseException();
    }
    if (lengthRestriction != null) {
        lengthRestriction.updateSyntax(reparser, false);
        reparser.updateLocation(lengthRestriction.getLocation());
    }
    if (baseTemplate instanceof IIncrementallyUpdateable) {
        ((IIncrementallyUpdateable) baseTemplate).updateSyntax(reparser, false);
        reparser.updateLocation(baseTemplate.getLocation());
    } else if (baseTemplate != null) {
        throw new ReParseException();
    }
    if (value != null) {
        value.updateSyntax(reparser, false);
        reparser.updateLocation(value.getLocation());
    }
    if (actualParameterList != null) {
        actualParameterList.updateSyntax(reparser, false);
        reparser.updateLocation(actualParameterList.getLocation());
    }
}