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

Example 1 with TemplateRestriction

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

the class Def_Var_Template method generateCode.

@Override
public /**
 * {@inheritDoc}
 */
void generateCode(final JavaGenData aData, final boolean cleanUp) {
    final String genName = getGenName();
    final StringBuilder sb = aData.getSrc();
    final StringBuilder source = new StringBuilder();
    final StringBuilder initComp = aData.getInitComp();
    final String typeGeneratedName = type.getGenNameTemplate(aData, source, getMyScope());
    if (type.getTypetype().equals(Type_type.TYPE_ARRAY)) {
        final Array_Type arrayType = (Array_Type) type;
        final StringBuilder sbforTemp = aData.getCodeForType(arrayType.getGenNameOwn());
        arrayType.generateCodeTemplate(aData, sbforTemp);
    }
    source.append(MessageFormat.format(" public static final {0} {1} = new {0}();\n", typeGeneratedName, genName));
    sb.append(source);
    if (initialValue != null) {
        initialValue.generateCodeInit(aData, initComp, genName);
        if (templateRestriction != Restriction_type.TR_NONE && generateRestrictionCheck) {
            TemplateRestriction.generateRestrictionCheckCode(aData, initComp, location, genName, templateRestriction);
        }
    } else if (cleanUp) {
        initComp.append(MessageFormat.format("{0}.cleanUp();\n", genName));
    }
}

Example 2 with TemplateRestriction

use of org.eclipse.titan.designer.AST.TTCN3.TemplateRestriction 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 3 with TemplateRestriction

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

the class Assignment_Statement method generateCode.

@Override
public /**
 * {@inheritDoc}
 */
void generateCode(final JavaGenData aData, final StringBuilder source) {
    if (reference == null || template == null) {
        return;
    }
    final boolean rhsCopied = selfReference;
    // TODO this is actually much more complicated
    final Assignment assignment = reference.getRefdAssignment(CompilationTimeStamp.getBaseTimestamp(), true);
    if (assignment == null) {
        // TODO: handle null
        return;
    }
    boolean isValue;
    switch(assignment.getAssignmentType()) {
        case A_PAR_VAL_IN:
        case A_PAR_VAL_OUT:
        case A_PAR_VAL_INOUT:
        case A_PAR_VAL:
        case A_VAR:
            isValue = true;
            break;
        default:
            isValue = false;
            break;
    }
    boolean isOptional = false;
    if (assignment.getType(CompilationTimeStamp.getBaseTimestamp()).fieldIsOptional(reference.getSubreferences())) {
        isOptional = true;
    }
    if (isValue) {
        final String rhsCopy = aData.getTemporaryVariableName();
        String rhsRef = rhsCopy;
        if (rhsCopied) {
            source.append("{\n");
            if (isOptional) {
                source.append(MessageFormat.format("Optional<{0}> {1} = new Optional<{0}>({0}.class);\n", template.getMyGovernor().getGenNameValue(aData, source, myScope), rhsCopy));
                rhsRef += ".get()";
            } else {
                source.append(MessageFormat.format("{0} {1} = new {0}();\n", template.getMyGovernor().getGenNameValue(aData, source, myScope), rhsCopy));
            }
        }
        final IValue value = template.getValue();
        // TODO handle needs_conv
        if (reference.getSubreferences().size() > 1) {
            if (value.canGenerateSingleExpression()) {
                final ExpressionStruct expression = new ExpressionStruct();
                reference.generateCode(aData, expression);
                source.append(expression.preamble);
                String temp;
                IType type = getType(CompilationTimeStamp.getBaseTimestamp(), assignment);
                type = type.getFieldType(CompilationTimeStamp.getBaseTimestamp(), reference, 1, Expected_Value_type.EXPECTED_TEMPLATE, false);
                // if (value.getValuetype() != Value_type.OMIT_VALUE && (isOptional || type.getTypetypeTtcn3() != value.getExpressionReturntype(CompilationTimeStamp.getBaseTimestamp(), Expected_Value_type.EXPECTED_TEMPLATE))) {
                if (value.getValuetype() != Value_type.OMIT_VALUE && value.getValuetype() != Value_type.REFERENCED_VALUE && (isOptional || type.getTypetypeTtcn3() != value.getExpressionReturntype(CompilationTimeStamp.getBaseTimestamp(), Expected_Value_type.EXPECTED_TEMPLATE))) {
                    temp = MessageFormat.format("new {0}({1})", value.getMyGovernor().getGenNameValue(aData, source, myScope), value.generateSingleExpression(aData));
                } else {
                    temp = value.generateSingleExpression(aData).toString();
                }
                if (rhsCopied) {
                    source.append(MessageFormat.format("{0}.assign({1});\n", rhsCopy, temp));
                    expression.expression.append(MessageFormat.format(".assign({0});\n", rhsCopy));
                } else {
                    expression.expression.append(MessageFormat.format(".assign({0});\n", temp));
                }
                source.append(expression.expression);
                source.append(expression.postamble);
            } else {
                final String tempID = aData.getTemporaryVariableName();
                final String typeGenname = value.getMyGovernor().getGenNameValue(aData, source, myScope);
                final ExpressionStruct leftExpression = new ExpressionStruct();
                reference.generateCode(aData, leftExpression);
                if (rhsCopied) {
                    // TODO handle needs conversion case
                    value.generateCodeInit(aData, source, rhsRef);
                } else if (isOptional) {
                    leftExpression.expression.append(".get()");
                }
                source.append("{\n");
                source.append(leftExpression.preamble);
                if (reference.refersToStringElement()) {
                    // LHS is a string element
                    aData.addBuiltinTypeImport(typeGenname + "_Element");
                    source.append(MessageFormat.format("{0}_Element {1} = {2};\n", typeGenname, tempID, leftExpression.expression));
                } else {
                    source.append(MessageFormat.format("{0} {1} = {2};\n", typeGenname, tempID, leftExpression.expression));
                }
                source.append(leftExpression.postamble);
                if (rhsCopied) {
                    source.append(MessageFormat.format("{0}.assign({1});\n", tempID, rhsCopy));
                } else {
                    // TODO handle needs conversion
                    value.generateCodeInit(aData, source, tempID);
                }
                source.append("}\n");
            }
        } else {
            // left hand side is a single assignment
            final String name = assignment.getGenNameFromScope(aData, source, myScope, null);
            if (!isOptional && value.getValuetype() == Value_type.REFERENCED_VALUE) {
                final Reference rightReference = ((Referenced_Value) value).getReference();
                final Assignment rightAssignment = rightReference.getRefdAssignment(CompilationTimeStamp.getBaseTimestamp(), true);
                if (rightAssignment.getType(CompilationTimeStamp.getBaseTimestamp()).fieldIsOptional(rightReference.getSubreferences())) {
                    value.generateCodeInitMandatory(aData, source, rhsCopied ? rhsCopy : name);
                } else {
                    value.generateCodeInit(aData, source, rhsCopied ? rhsCopy : name);
                }
            } else {
                value.generateCodeInit(aData, source, rhsCopied ? rhsCopy : name);
            }
            if (rhsCopied) {
                source.append(MessageFormat.format("{0}.assign({1});\n", name, rhsCopy));
            }
        }
        if (rhsCopied) {
            source.append("}\n");
        }
    } else {
        final String rhsCopy = aData.getTemporaryVariableName();
        if (rhsCopied) {
            source.append("{\n");
            source.append(MessageFormat.format("{0} {1} = new {0}();\n", template.getMyGovernor().getGenNameTemplate(aData, source, myScope), rhsCopy));
        }
        // TODO handle needs_conv
        if (reference.getSubreferences().size() > 1) {
            if ((templateRestriction != Restriction_type.TR_NONE || !generateRestrictionCheck) && template.hasSingleExpression()) {
                final ExpressionStruct expression = new ExpressionStruct();
                reference.generateCode(aData, expression);
                source.append(expression.preamble);
                if (rhsCopied) {
                    source.append(MessageFormat.format("{0}.assign({1});\n", rhsCopy, template.getSingleExpression(aData, false)));
                    expression.expression.append(MessageFormat.format(".assign({0});\n", rhsCopy));
                } else {
                    expression.expression.append(MessageFormat.format(".assign({0});\n", template.getSingleExpression(aData, false)));
                }
                expression.mergeExpression(source);
            } else {
                final String tempID = aData.getTemporaryVariableName();
                final ExpressionStruct expression = new ExpressionStruct();
                reference.generateCode(aData, expression);
                if (rhsCopied) {
                    // TODO handle needs conversion case
                    template.generateCodeInit(aData, source, rhsCopy);
                }
                source.append("{\n");
                source.append(expression.preamble);
                final IType governor = template.getMyGovernor();
                source.append(MessageFormat.format("{0} {1} = {2};\n", governor.getGenNameTemplate(aData, source, template.getMyScope()), tempID, expression.expression));
                source.append(expression.postamble);
                if (rhsCopied) {
                    source.append(MessageFormat.format("{0}.assign({1});\n", tempID, rhsCopy));
                } else {
                    // TODO handle needs conversion case
                    if (Type_type.TYPE_SEQUENCE_OF.equals(governor.getTypetype()) || Type_type.TYPE_ARRAY.equals(governor.getTypetype())) {
                        source.append(MessageFormat.format("{0}.removeAllPermutations();\n", tempID));
                    }
                    template.generateCodeInit(aData, source, tempID);
                }
                if (templateRestriction != Restriction_type.TR_NONE && generateRestrictionCheck) {
                    TemplateRestriction.generateRestrictionCheckCode(aData, source, location, tempID, templateRestriction);
                }
                source.append("}\n");
            }
        } else {
            // left hand side is a single assignment
            final String rhsName = reference.getRefdAssignment(CompilationTimeStamp.getBaseTimestamp(), false).getGenNameFromScope(aData, source, myScope, "");
            final IType governor = template.getMyGovernor();
            if (Type_type.TYPE_SEQUENCE_OF.equals(governor.getTypetype()) || Type_type.TYPE_ARRAY.equals(governor.getTypetype())) {
                source.append(MessageFormat.format("{0}.removeAllPermutations();\n", rhsCopied ? rhsCopy : rhsName));
            }
            template.generateCodeInit(aData, source, rhsCopied ? rhsCopy : rhsName);
            if (rhsCopied) {
                source.append(MessageFormat.format("{0}.assign({1});\n", rhsName, rhsCopy));
            }
            if (templateRestriction != Restriction_type.TR_NONE && generateRestrictionCheck) {
                TemplateRestriction.generateRestrictionCheckCode(aData, source, location, rhsName, templateRestriction);
            }
        }
        if (rhsCopied) {
            source.append("}\n");
        }
    }
}

Example 4 with TemplateRestriction

use of org.eclipse.titan.designer.AST.TTCN3.TemplateRestriction 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 5 with TemplateRestriction

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

the class Function_Type method checkThisValue.

@Override
public /**
 * {@inheritDoc}
 */
boolean checkThisValue(final CompilationTimeStamp timestamp, final IValue value, final Assignment lhs, final ValueCheckingOptions valueCheckingOptions) {
    final boolean selfReference = super.checkThisValue(timestamp, value, lhs, valueCheckingOptions);
    final IValue last = value.getValueRefdLast(timestamp, valueCheckingOptions.expected_value, null);
    if (last == null || last.getIsErroneous(timestamp)) {
        return selfReference;
    }
    last.setMyGovernor(this);
    // 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;
    }
    Assignment assignment = null;
    switch(last.getValuetype()) {
        case FUNCTION_REFERENCE_VALUE:
            assignment = ((Function_Reference_Value) last).getReferredFunction();
            if (assignment == null) {
                value.setIsErroneous(true);
                return selfReference;
            }
            assignment.check(timestamp);
            break;
        case TTCN3_NULL_VALUE:
            value.setValuetype(timestamp, Value_type.FAT_NULL_VALUE);
            return selfReference;
        case EXPRESSION_VALUE:
        case MACRO_VALUE:
            // already checked
            return selfReference;
        default:
            value.getLocation().reportSemanticError(FUNCTIONREFERENCEVALUEEXPECTED);
            value.setIsErroneous(true);
            return selfReference;
    }
    // external functions do not have runs on clauses
    if (assignment instanceof Def_Function) {
        formalParList.checkCompatibility(timestamp, ((Def_Function) assignment).getFormalParameterList(), value.getLocation());
        final IType tempRunsOnType = ((Def_Function) assignment).getRunsOnType(timestamp);
        if (tempRunsOnType != null) {
            if (runsOnSelf) {
                // check against the runs on component type of the scope of the value
                final Scope valueScope = value.getMyScope();
                if (valueScope == null) {
                    value.setIsErroneous(true);
                    value.setLastTimeChecked(timestamp);
                    return selfReference;
                }
                final RunsOnScope runsOnScope = valueScope.getScopeRunsOn();
                if (runsOnScope != null) {
                    final Component_Type componentType = runsOnScope.getComponentType();
                    if (!tempRunsOnType.isCompatible(timestamp, componentType, null, null, null)) {
                        value.getLocation().reportSemanticError(MessageFormat.format("Runs on clause mismatch: type `{0}'' has a `runs on self'' clause and the current scope expects " + "component type `{1}'', but {2} runs on `{3}''", getTypename(), componentType.getTypename(), assignment.getDescription(), tempRunsOnType.getTypename()));
                    }
                } else {
                    // compatibility using this component type as the scope
                    if (valueScope instanceof ComponentTypeBody) {
                        final ComponentTypeBody body = (ComponentTypeBody) valueScope;
                        if (!tempRunsOnType.isCompatible(timestamp, body.getMyType(), null, null, null)) {
                            value.getLocation().reportSemanticError(MessageFormat.format("Runs on clause mismatch: type `{0}'' has a `runs on self'' clause and the current component definition " + "is of type `{1}'', but {2} runs on `{3}''", getTypename(), body.getMyType().getTypename(), assignment.getDescription(), tempRunsOnType.getTypename()));
                        }
                    } else {
                        value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' has a `runs on self'' " + "clause and the current scope does not have a `runs on'' clause, but {1} runs on `{2}''", getTypename(), assignment.getDescription(), tempRunsOnType.getTypename()));
                    }
                }
            } else {
                if (runsOnRef == null) {
                    value.getLocation().reportSemanticError(MessageFormat.format(RUNSONLESSEXPECTED, getTypename(), assignment.getAssignmentName(), tempRunsOnType.getTypename()));
                    value.setIsErroneous(true);
                } else {
                    if (runsOnType != null && !tempRunsOnType.isCompatible(timestamp, runsOnType, null, null, null)) {
                        value.getLocation().reportSemanticError(MessageFormat.format(INCOMPATIBLERUNSONTYPESERROR, getTypename(), runsOnType.getTypename(), assignment.getAssignmentName(), tempRunsOnType.getTypename()));
                        value.setIsErroneous(true);
                    }
                }
            }
        }
    }
    switch(assignment.getAssignmentType()) {
        case A_FUNCTION:
        case A_EXT_FUNCTION:
            if (returnType != null) {
                value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function that returns a {1} of type `{2}'', but {3} does not have a return type", getTypename(), returnsTemplate ? "template" : "value", returnType.getTypename(), assignment.getDescription()));
            }
            break;
        case A_FUNCTION_RTEMP:
            {
                final Restriction_type restriction = ((Def_Function) assignment).getTemplateRestriction();
                if (!templateRestriction.equals(restriction)) {
                    value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function that returns a template with {1} restriction, " + "but {2} returns a template with {3} restriction", getTypename(), Restriction_type.TR_NONE.equals(templateRestriction) ? "no" : templateRestriction.getDisplayName(), assignment.getDescription(), Restriction_type.TR_NONE.equals(restriction) ? "no" : restriction.getDisplayName()));
                }
                if (returnType != null) {
                    final IType tempReturnType = assignment.getType(timestamp);
                    if (!returnType.isIdentical(timestamp, tempReturnType)) {
                        value.getLocation().reportSemanticError(MessageFormat.format("Return type mismatch: type `{0}'' expects a function or external function that returns a {1} of type `{2}'', " + "but {3} returns a template of type `{3}''", getTypename(), returnsTemplate ? "template" : "value", returnType.getTypename(), assignment.getDescription(), tempReturnType.getTypename()));
                    } else if (!returnsTemplate) {
                        value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function that returns a value of type `{1}'', but {2} returns a template", getTypename(), returnType.getTypename(), assignment.getDescription()));
                    }
                } else {
                    value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function without return type, but {1} returns a template of type `{2}''", getTypename(), assignment.getDescription(), assignment.getType(timestamp).getTypename()));
                }
                break;
            }
        case A_EXT_FUNCTION_RTEMP:
            {
                final Restriction_type restriction = ((Def_Extfunction) assignment).getTemplateRestriction();
                if (!templateRestriction.equals(restriction)) {
                    value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function that returns a template with {1} restriction, " + "but {2} returns a template with {3} restriction", getTypename(), Restriction_type.TR_NONE.equals(templateRestriction) ? "no" : templateRestriction.getDisplayName(), assignment.getDescription(), Restriction_type.TR_NONE.equals(restriction) ? "no" : restriction.getDisplayName()));
                }
                if (returnType != null) {
                    final IType tempReturnType = assignment.getType(timestamp);
                    if (!returnType.isIdentical(timestamp, tempReturnType)) {
                        value.getLocation().reportSemanticError(MessageFormat.format("Return type mismatch: type `{0}'' expects a function or external function that returns a {1} of type `{2}'', " + "but {3} returns a template of type `{3}''", getTypename(), returnsTemplate ? "template" : "value", returnType.getTypename(), assignment.getDescription(), tempReturnType.getTypename()));
                    } else if (!returnsTemplate) {
                        value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function that returns a value of type `{1}'', but {2} returns a template", getTypename(), returnType.getTypename(), assignment.getDescription()));
                    }
                } else {
                    value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function without return type, but {1} returns a template of type `{2}''", getTypename(), assignment.getDescription(), assignment.getType(timestamp).getTypename()));
                }
                break;
            }
        case A_FUNCTION_RVAL:
        case A_EXT_FUNCTION_RVAL:
            if (returnType != null) {
                final IType tempReturnType = assignment.getType(timestamp);
                if (!returnType.isIdentical(timestamp, tempReturnType)) {
                    value.getLocation().reportSemanticError(MessageFormat.format("Return type mismatch: type `{0}'' expects a function or external function that returns a {1} of type `{2}''," + " but {3} returns a value of type `{3}''", getTypename(), returnsTemplate ? "template" : "value", returnType.getTypename(), assignment.getDescription(), tempReturnType.getTypename()));
                } else if (returnsTemplate) {
                    value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function that returns a template of type `{1}'', but {2} returns a value", getTypename(), returnType.getTypename(), assignment.getDescription()));
                }
            } else {
                value.getLocation().reportSemanticError(MessageFormat.format("Type `{0}'' expects a function or external function without return type, but {1} returns a value of type `{2}''", getTypename(), assignment.getDescription(), assignment.getType(timestamp).getTypename()));
            }
            break;
        default:
            break;
    }
    if (valueCheckingOptions.sub_check) {
        // there is no parent type to check
        if (subType != null) {
            subType.checkThisValue(timestamp, last);
        }
    }
    value.setLastTimeChecked(timestamp);
    return selfReference;
}