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

Example 1 with FormalParameter

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

the class Def_Extfunction method checkPrototype.

/**
 * Checks the prototype attribute set for this external function
 * definition.
 *
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 */
private void checkPrototype(final CompilationTimeStamp timestamp) {
    if (EncodingPrototype_type.NONE.equals(prototype)) {
        return;
    }
    // checking formal parameter list
    if (EncodingPrototype_type.CONVERT.equals(prototype)) {
        if (formalParList.getNofParameters() == 1) {
            final FormalParameter parameter = formalParList.getParameterByIndex(0);
            switch(parameter.getRealAssignmentType()) {
                case A_PAR_VAL:
                case A_PAR_VAL_IN:
                    inputType = parameter.getType(timestamp);
                    break;
                default:
                    {
                        final String message = MessageFormat.format("The parameter must be an `in'' value parameter for attribute `prototype({0})'' instead of {1}", prototype.getName(), parameter.getAssignmentName());
                        parameter.getLocation().reportSemanticError(message);
                        break;
                    }
            }
        } else {
            final String message = MessageFormat.format("The external function must have one parameter instead of {0} for attribute `prototype({1})''", formalParList.getNofParameters(), prototype.getName());
            formalParList.getLocation().reportSemanticError(message);
        }
    } else if (formalParList.getNofParameters() == 2) {
        final FormalParameter firstParameter = formalParList.getParameterByIndex(0);
        if (EncodingPrototype_type.SLIDING.equals(prototype)) {
            if (Assignment_type.A_PAR_VAL_INOUT.semanticallyEquals(firstParameter.getRealAssignmentType())) {
                final Type firstParameterType = firstParameter.getType(timestamp);
                final IType last = firstParameterType.getTypeRefdLast(timestamp);
                if (last.getIsErroneous(timestamp)) {
                    inputType = firstParameterType;
                } else {
                    switch(last.getTypetypeTtcn3()) {
                        case TYPE_OCTETSTRING:
                        case TYPE_CHARSTRING:
                        case TYPE_BITSTRING:
                            inputType = firstParameterType;
                            break;
                        default:
                            {
                                final String message = MessageFormat.format("The type of the first parameter must be `octetstring'' or `charstring'' for attribute `prototype({0})''", prototype.getName());
                                firstParameter.getLocation().reportSemanticError(message);
                                break;
                            }
                    }
                }
            } else {
                firstParameter.getLocation().reportSemanticError(MessageFormat.format("The first parameter must be an `inout'' value parameter for attribute `prototype({0})'' instead of {1}", prototype.getName(), firstParameter.getAssignmentName()));
            }
        } else {
            if (Assignment_type.A_PAR_VAL_IN.semanticallyEquals(firstParameter.getRealAssignmentType())) {
                inputType = firstParameter.getType(timestamp);
            } else {
                firstParameter.getLocation().reportSemanticError(MessageFormat.format("The first parameter must be an `in'' value parameter for attribute `prototype({0})'' instead of {1}", prototype.getName(), firstParameter.getAssignmentName()));
            }
        }
        final FormalParameter secondParameter = formalParList.getParameterByIndex(1);
        if (Assignment_type.A_PAR_VAL_OUT.semanticallyEquals(secondParameter.getRealAssignmentType())) {
            outputType = secondParameter.getType(timestamp);
        } else {
            secondParameter.getLocation().reportSemanticError(MessageFormat.format("The second parameter must be an `out'' value parameter for attribute `prototype({0})'' instead of {1}", prototype.getName(), secondParameter.getAssignmentName()));
        }
    } else {
        formalParList.getLocation().reportSemanticError(MessageFormat.format("The function must have two parameters for attribute `prototype({0})'' instead of {1}", prototype.getName(), formalParList.getNofParameters()));
    }
    // checking the return type
    if (EncodingPrototype_type.FAST.equals(prototype)) {
        if (returnType != null) {
            returnType.getLocation().reportSemanticError(MessageFormat.format("The external function cannot have return type fo attribute `prototype({0})''", prototype.getName()));
        }
    } else {
        if (returnType == null) {
            location.reportSemanticError(MessageFormat.format("The external function must have a return type for attribute `prototype({0})''", prototype.getName()));
        } else {
            if (Assignment_type.A_FUNCTION_RTEMP.semanticallyEquals(assignmentType)) {
                returnType.getLocation().reportSemanticError(MessageFormat.format("The external function must return a value instead of a template for attribute `prototype({0})''", prototype.getName()));
            }
            if (EncodingPrototype_type.CONVERT.equals(prototype)) {
                outputType = returnType;
            } else {
                final IType last = returnType.getTypeRefdLast(timestamp);
                if (!last.getIsErroneous(timestamp) && !Type_type.TYPE_INTEGER.equals(last.getTypetypeTtcn3())) {
                    returnType.getLocation().reportSemanticError(MessageFormat.format("The return type of the function must be `integer'' instead of `{0}'' for attribute `prototype({1})''", returnType.getTypename(), prototype.getName()));
                }
            }
        }
    }
}

Example 2 with FormalParameter

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

the class FormalParameterList method collateLazyAndNonLazyActualParameters.

/**
 * Read the parsed actual parameters, and collate the lazy and non-lazy actual parameters
 * according to their associated formal parameters.
 *
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 * @param parsedParameters
 *                the parsed actual parameters (may contain named, and unnamed parts too).
 * @param actualLazyParameters
 *                the list of actual lazy parameters returned for later usage.
 * @param actualNonLazyParameters
 *                the list of actual non lazy parameters returned for later usage.
 */
public final void collateLazyAndNonLazyActualParameters(final CompilationTimeStamp timestamp, final ParsedActualParameters parsedParameters, final ActualParameterList actualLazyParameters, final ActualParameterList actualNonLazyParameters) {
    final TemplateInstances unnamed = parsedParameters.getInstances();
    final NamedParameters named = parsedParameters.getNamedParameters();
    int nofLocated = unnamed.getNofTis();
    final Map<FormalParameter, Integer> formalParameterMap = new HashMap<FormalParameter, Integer>();
    for (int i = 0, size = parameters.size(); i < size; i++) {
        formalParameterMap.put(parameters.get(i), Integer.valueOf(i));
    }
    final TemplateInstances finalUnnamed = new TemplateInstances(unnamed);
    for (int i = 0, size = named.getNofParams(); i < size; i++) {
        final NamedParameter namedParameter = named.getParamByIndex(i);
        final FormalParameter formalParameter = parameterMap.get(namedParameter.getName().getName());
        final int isAt = formalParameterMap.get(formalParameter);
        for (; nofLocated < isAt; nofLocated++) {
            final NotUsed_Template temp = new NotUsed_Template();
            if (!parameters.get(nofLocated).hasDefaultValue()) {
                temp.setIsErroneous(true);
            }
            final TemplateInstance instance = new TemplateInstance(null, null, temp);
            instance.setLocation(parsedParameters.getLocation());
            finalUnnamed.addTemplateInstance(instance);
        }
        finalUnnamed.addTemplateInstance(namedParameter.getInstance());
        nofLocated++;
    }
    finalUnnamed.setLocation(parsedParameters.getLocation());
    final int upperLimit = (finalUnnamed.getNofTis() < parameters.size()) ? finalUnnamed.getNofTis() : parameters.size();
    for (int i = 0; i < upperLimit; i++) {
        final TemplateInstance instance = finalUnnamed.getInstanceByIndex(i);
        final FormalParameter formalParameter = parameters.get(i);
        if (instance.getType() == null && instance.getDerivedReference() == null && Template_type.TEMPLATE_NOTUSED.equals(instance.getTemplateBody().getTemplatetype())) {
            final ActualParameter defaultValue = formalParameter.getDefaultValue();
            final Default_ActualParameter temp = new Default_ActualParameter(defaultValue);
            if (defaultValue != null && !defaultValue.getIsErroneous()) {
                temp.setLocation(defaultValue.getLocation());
            }
            if (formalParameter.getIsLazy()) {
                actualLazyParameters.addParameter(temp);
            } else {
                actualNonLazyParameters.addParameter(temp);
            }
        } else {
            final ActualParameter actualParameter = formalParameter.checkActualParameter(timestamp, instance, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
            actualParameter.setLocation(instance.getLocation());
            if (formalParameter.getIsLazy()) {
                actualLazyParameters.addParameter(actualParameter);
            } else {
                actualNonLazyParameters.addParameter(actualParameter);
            }
        }
    }
    for (int i = upperLimit; i < parameters.size(); i++) {
        final FormalParameter formalParameter = parameters.get(i);
        final ActualParameter defaultValue = formalParameter.getDefaultValue();
        final Default_ActualParameter temp = new Default_ActualParameter(defaultValue);
        if (defaultValue != null && !defaultValue.getIsErroneous()) {
            temp.setLocation(defaultValue.getLocation());
        }
        if (formalParameter.getIsLazy()) {
            actualLazyParameters.addParameter(temp);
        } else {
            actualNonLazyParameters.addParameter(temp);
        }
    }
}

Example 3 with FormalParameter

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

the class FormalParameterList method checkActualParameterList.

/**
 * Check if a list of parsed actual parameters is semantically correct
 * according to a list of formal parameters (the called entity).
 *
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 * @param parsedParameters
 *                the parsed actual parameters (may contain named, and
 *                unnamed parts too).
 * @param actualParameters
 *                the list of actual parameters returned for later
 *                usage.
 *
 * @return true if a semantic error was found, false otherwise
 */
public final boolean checkActualParameterList(final CompilationTimeStamp timestamp, final ParsedActualParameters parsedParameters, final ActualParameterList actualParameters) {
    parsedParameters.setFormalParList(this);
    checkUniqueness(timestamp);
    boolean isErroneous = false;
    final TemplateInstances unnamed = parsedParameters.getInstances();
    final NamedParameters named = parsedParameters.getNamedParameters();
    int nofLocated = unnamed.getNofTis();
    final Map<FormalParameter, Integer> formalParameterMap = new HashMap<FormalParameter, Integer>();
    for (int i = 0, size = parameters.size(); i < size; i++) {
        formalParameterMap.put(parameters.get(i), Integer.valueOf(i));
    }
    final TemplateInstances finalUnnamed = new TemplateInstances(unnamed);
    for (int i = 0, size = named.getNofParams(); i < size; i++) {
        final NamedParameter namedParameter = named.getParamByIndex(i);
        if (parameterMap != null && parameterMap.containsKey(namedParameter.getName().getName())) {
            final FormalParameter formalParameter = parameterMap.get(namedParameter.getName().getName());
            final int isAt = formalParameterMap.get(formalParameter);
            if (isAt >= nofLocated) {
                for (; nofLocated < isAt; nofLocated++) {
                    final NotUsed_Template temp = new NotUsed_Template();
                    if (!parameters.get(nofLocated).hasDefaultValue()) {
                        temp.setIsErroneous(true);
                    }
                    final TemplateInstance instance = new TemplateInstance(null, null, temp);
                    instance.setLocation(parsedParameters.getLocation());
                    finalUnnamed.addTemplateInstance(instance);
                }
                finalUnnamed.addTemplateInstance(namedParameter.getInstance());
                nofLocated++;
            } else {
                isErroneous = true;
                if (isAt >= unnamed.getNofTis()) {
                    namedParameter.getLocation().reportSemanticError(MessageFormat.format("Named parameter `{0}'' is out of order", namedParameter.getName().getDisplayName()));
                } else {
                    namedParameter.getLocation().reportSemanticError(MessageFormat.format("Named parameter `{0}'' is assigned more than once", namedParameter.getName().getDisplayName()));
                }
            }
        } else {
            String name;
            switch(myDefinition.getAssignmentType()) {
                case A_TYPE:
                    switch(((Def_Type) myDefinition).getType(timestamp).getTypetype()) {
                        case TYPE_FUNCTION:
                            name = "Function reference";
                            break;
                        case TYPE_ALTSTEP:
                            name = "Altstep reference";
                            break;
                        case TYPE_TESTCASE:
                            name = "Testcase reference";
                            break;
                        default:
                            name = "";
                            break;
                    }
                    break;
                default:
                    name = myDefinition.getAssignmentName();
                    break;
            }
            isErroneous = true;
            namedParameter.getLocation().reportSemanticError(MessageFormat.format("{0} `{1}'' has no formal parameter with name `{2}''", name, myDefinition.getFullName(), namedParameter.getName().getDisplayName()));
        }
    }
    if (isErroneous) {
        return false;
    }
    finalUnnamed.setLocation(parsedParameters.getLocation());
    return checkActualParameterList(timestamp, finalUnnamed, actualParameters);
}

Example 4 with FormalParameter

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

the class Assignment_Statement method check.

@Override
public /**
 * {@inheritDoc}
 */
void check(final CompilationTimeStamp timestamp) {
    if (lastTimeChecked != null && !lastTimeChecked.isLess(timestamp)) {
        return;
    }
    lastTimeChecked = timestamp;
    isErroneous = false;
    selfReference = false;
    templateRestriction = Restriction_type.TR_NONE;
    generateRestrictionCheck = false;
    if (reference == null) {
        return;
    }
    reference.setUsedOnLeftHandSide();
    final Assignment assignment = reference.getRefdAssignment(timestamp, true);
    if (assignment == null || assignment.getIsErroneous()) {
        isErroneous = true;
        return;
    }
    if (template == null) {
        return;
    }
    switch(assignment.getAssignmentType()) {
        case A_PAR_VAL_IN:
            ((FormalParameter) assignment).useAsLValue(reference);
            if (template.isValue(timestamp)) {
                // TODO: isValue should be checked within the previous line! This is double check!
                final IValue temporalValue = template.getValue();
                checkVarAssignment(timestamp, assignment, temporalValue);
                template.setMyGovernor(temporalValue.getMyGovernor());
                break;
            } else if (Template_type.VALUE_LIST.equals(template.getTemplatetype()) && ((ValueList_Template) template).getNofTemplates() == 1) {
                // TODO: convert (x) to x to compilation!
                break;
            } else {
                template.getLocation().reportSemanticError(TEMPLATEASSIGNMENTTOVALUE);
                template.setIsErroneous(true);
                return;
            }
        case A_PAR_VAL_OUT:
        case A_PAR_VAL_INOUT:
        case A_PAR_VAL:
            ((FormalParameter) assignment).setWritten();
            if (template.isValue(timestamp)) {
                // TODO: isValue should be checked within the previous line! This is double check!
                final IValue temporalValue = template.getValue();
                checkVarAssignment(timestamp, assignment, temporalValue);
                template.setMyGovernor(temporalValue.getMyGovernor());
                break;
            } else if (Template_type.VALUE_LIST.equals(template.getTemplatetype()) && ((ValueList_Template) template).getNofTemplates() == 1) {
                // TODO: convert (x) to x to compilation!
                break;
            } else {
                template.getLocation().reportSemanticError(TEMPLATEASSIGNMENTTOVALUE);
                template.setIsErroneous(true);
                return;
            }
        // break
        case A_VAR:
            ((Def_Var) assignment).setWritten();
            if (template.getIsErroneous(timestamp)) {
                return;
            }
            final IValue temporalValue = template.getValue();
            if (temporalValue != null) {
                checkVarAssignment(timestamp, assignment, temporalValue);
                template.setMyGovernor(temporalValue.getMyGovernor());
                break;
            } else if (Template_type.VALUE_LIST.equals(template.getTemplatetype()) && ((ValueList_Template) template).getNofTemplates() == 1) {
                break;
            } else {
                template.getLocation().reportSemanticError(TEMPLATEASSIGNMENTTOVALUE);
                template.setIsErroneous(true);
                return;
            }
        case A_PAR_TEMP_IN:
            ((FormalParameter) assignment).useAsLValue(reference);
            checkTemplateAssignment(timestamp, assignment, Expected_Value_type.EXPECTED_TEMPLATE, null);
            break;
        case A_PAR_TEMP_OUT:
        case A_PAR_TEMP_INOUT:
            ((FormalParameter) assignment).setWritten();
            checkTemplateAssignment(timestamp, assignment, Expected_Value_type.EXPECTED_TEMPLATE, null);
            break;
        case A_VAR_TEMPLATE:
            ((Def_Var_Template) assignment).setWritten();
            checkTemplateAssignment(timestamp, assignment, Expected_Value_type.EXPECTED_TEMPLATE, null);
            break;
        default:
            reference.getLocation().reportSemanticError(MessageFormat.format(VARIABLEREFERENCEEXPECTED, assignment.getAssignmentName()));
            reference.setIsErroneous(true);
            isErroneous = true;
    }
}

Example 5 with FormalParameter

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

the class Reference method checkVariableReference.

/**
 * Checks and returns the type of the variable referred to by this
 * reference.
 * <p>
 * This is used to detect the type of value redirects.
 *
 * @param timestamp
 *                the timestamp of the actual semantic check cycle.
 *
 * @return the type of the referred variable or null in case of
 *         problems.
 */
public IType checkVariableReference(final CompilationTimeStamp timestamp) {
    final Assignment assignment = getRefdAssignment(timestamp, true);
    if (assignment == null) {
        return null;
    }
    IType type;
    switch(assignment.getAssignmentType()) {
        case A_PAR_VAL_IN:
            ((FormalParameter) assignment).useAsLValue(this);
            type = ((FormalParameter) assignment).getType(timestamp);
            ((FormalParameter) assignment).setUsed();
            break;
        case A_PAR_VAL:
        case A_PAR_VAL_OUT:
        case A_PAR_VAL_INOUT:
            type = ((FormalParameter) assignment).getType(timestamp);
            ((FormalParameter) assignment).setUsed();
            break;
        case A_VAR:
            type = ((Def_Var) assignment).getType(timestamp);
            ((Def_Var) assignment).setUsed();
            break;
        default:
            getLocation().reportSemanticError(MessageFormat.format(VARIABLEXPECTED, assignment.getDescription()));
            setIsErroneous(true);
            return null;
    }
    final IType result = type.getFieldType(timestamp, this, 1, Expected_Value_type.EXPECTED_DYNAMIC_VALUE, null, false);
    if (result != null && subReferences != null && refersToStringElement()) {
        getLocation().reportSemanticError(MessageFormat.format(STRINGELEMENTUNUSABLE, result.getTypename()));
        setIsErroneous(true);
    }
    return result;
}