use of org.eclipse.titan.designer.AST.TTCN3.values.ArrayDimensions 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;
}
}
use of org.eclipse.titan.designer.AST.TTCN3.values.ArrayDimensions in project titan.EclipsePlug-ins by eclipse.
the class TimerRunningExpression 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.
*/
private void checkExpressionOperands(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
if (reference == null) {
return;
}
final Assignment assignment = reference.getRefdAssignment(timestamp, true);
if (assignment == null) {
setIsErroneous(true);
return;
}
switch(assignment.getAssignmentType()) {
case A_TIMER:
{
final ArrayDimensions dimensions = ((Def_Timer) assignment).getDimensions();
if (dimensions != null) {
dimensions.checkIndices(timestamp, reference, "timer", false, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
} else if (reference.getSubreferences().size() > 1) {
reference.getLocation().reportSemanticError(MessageFormat.format(OPERANDERROR, assignment.getIdentifier().getDisplayName()));
}
break;
}
case A_PAR_TIMER:
if (reference.getSubreferences().size() > 1) {
reference.getLocation().reportSemanticError(MessageFormat.format(OPERANDERROR, assignment.getIdentifier().getDisplayName()));
}
break;
default:
reference.getLocation().reportSemanticError(MessageFormat.format(OPERANDERROR2, assignment.getDescription()));
setIsErroneous(true);
break;
}
checkExpressionDynamicPart(expectedValue, OPERATIONNAME, true, true, false);
}
use of org.eclipse.titan.designer.AST.TTCN3.values.ArrayDimensions in project titan.EclipsePlug-ins by eclipse.
the class FormalParameter method checkActualParameterTimer.
/**
* Checks if the actual parameter paired with this formal parameter is
* semantically correct as a timer parameter.
*
* @param timestamp
* the timestamp of the actual semantic check cycle.
* @param actualParameter
* the template instance assigned as actual parameter to
* this formal parameter
* @param expectedValue
* the value kind expected from the actual parameter.
*
* @return the actual parameter created from the value, or null if there
* was an error.
*/
private ActualParameter checkActualParameterTimer(final CompilationTimeStamp timestamp, final TemplateInstance actualParameter, final Expected_Value_type expectedValue) {
final IType parameterType = actualParameter.getType();
if (parameterType != null) {
actualParameter.getLocation().reportSemanticError(EXPLICITESPECIFICATIONFORTIMER);
actualParameter.checkType(timestamp, null);
}
final Reference derivedReference = actualParameter.getDerivedReference();
if (derivedReference != null) {
derivedReference.getLocation().reportSemanticError(INLINETEMPLATEFORTIMER);
actualParameter.checkDerivedReference(timestamp, null);
}
final ITTCN3Template template = actualParameter.getTemplateBody();
if (Template_type.SPECIFIC_VALUE.equals(template.getTemplatetype()) && ((SpecificValue_Template) template).isReference()) {
final Reference reference = ((SpecificValue_Template) template).getReference();
final Assignment assignment = reference.getRefdAssignment(timestamp, true, null);
if (assignment == null) {
final ActualParameter temp = new Value_ActualParameter(null);
temp.setIsErroneous();
return temp;
}
switch(assignment.getAssignmentType()) {
case A_TIMER:
final ArrayDimensions dimensions = ((Def_Timer) assignment).getDimensions();
if (dimensions != null) {
dimensions.checkIndices(timestamp, reference, "timer", false, expectedValue);
} else if (reference.getSubreferences().size() > 1) {
reference.getLocation().reportSemanticError(MessageFormat.format(SUBREFERENCEERROR1, assignment.getDescription()));
}
break;
case A_PAR_TIMER:
if (reference.getSubreferences().size() > 1) {
reference.getLocation().reportSemanticError(MessageFormat.format(SUBREFERENCEERROR2, assignment.getDescription()));
}
break;
default:
reference.getLocation().reportSemanticError(MessageFormat.format(TIMEREXPECTED1, assignment.getAssignmentName()));
break;
}
return new Referenced_ActualParameter(reference);
}
actualParameter.getLocation().reportSemanticError(TIMEREXPECTED2);
final ActualParameter temp = new Value_ActualParameter(null);
temp.setIsErroneous();
return temp;
}
use of org.eclipse.titan.designer.AST.TTCN3.values.ArrayDimensions in project titan.EclipsePlug-ins by eclipse.
the class Port_Utility method checkConnectionEndpoint.
/**
* Checks a reference to see if it really references a valid component
* type.
*
* @param timestamp
* the timestamp of the actual semantic check cycle.
* @param source
* the statement to report an error to, in case it is in
* a control part.
* @param componentReference
* the reference of the component to be checked.
* @param portReference
* the reference to a port of the component to be
* checked.
* @param allowSystem
* tells if the system component should be allowed or not
* as an endpoint.
*
* @return the referenced component type, or null if there were
* problems.
*/
public static IType checkConnectionEndpoint(final CompilationTimeStamp timestamp, final Statement source, final Value componentReference, final PortReference portReference, final boolean allowSystem) {
final IType componentType = checkComponentReference(timestamp, source, componentReference, true, allowSystem);
if (portReference == null) {
return componentType;
}
if (componentType == null) {
// the component type can not be determined
final List<ISubReference> subreferences = portReference.getSubreferences();
if (subreferences.size() > 1) {
// check array indices
for (int i = 0; i < subreferences.size(); i++) {
final ISubReference subreference = subreferences.get(i);
if (subreference instanceof ArraySubReference) {
final Value value = ((ArraySubReference) subreference).getValue();
value.setLoweridToReference(timestamp);
final Type_type temporalType1 = value.getExpressionReturntype(timestamp, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
switch(temporalType1) {
case TYPE_INTEGER:
{
final IReferenceChain referenceChain = ReferenceChain.getInstance(IReferenceChain.CIRCULARREFERENCE, true);
final IValue last1 = value.getValueRefdLast(timestamp, Expected_Value_type.EXPECTED_DYNAMIC_VALUE, referenceChain);
referenceChain.release();
if (!last1.isUnfoldable(timestamp) && Value.Value_type.INTEGER_VALUE.equals(last1.getValuetype())) {
if (((Integer_Value) last1).signum() < 0) {
value.getLocation().reportSemanticError(ArraySubReference.NATIVEINTEGEREXPECTED);
value.setIsErroneous(true);
}
}
break;
}
case TYPE_UNDEFINED:
value.setIsErroneous(true);
break;
default:
if (!value.getIsErroneous(timestamp)) {
value.getLocation().reportSemanticError(ArraySubReference.INTEGERINDEXEXPECTED);
value.setIsErroneous(true);
}
break;
}
}
}
}
return null;
}
final ComponentTypeBody componentBody = ((Component_Type) componentType).getComponentBody();
portReference.setBaseScope(componentBody);
portReference.setComponent((Component_Type) componentType);
// for compatibility
portReference.getRefdAssignment(timestamp, false);
final Identifier portIdentifier = portReference.getId();
if (!componentBody.hasLocalAssignmentWithId(portIdentifier)) {
portReference.getLocation().reportSemanticError(MessageFormat.format(NOPORTWITHNAME, componentType.getTypename(), portIdentifier.getDisplayName()));
return null;
}
final Assignment assignment = componentBody.getLocalAssignmentById(portIdentifier);
if (assignment == null) {
return null;
}
if (!Assignment_type.A_PORT.semanticallyEquals(assignment.getAssignmentType())) {
portReference.getLocation().reportSemanticError(MessageFormat.format(DEFINITIONNOTPORT, portIdentifier.getDisplayName(), componentType.getTypename(), assignment.getAssignmentName()));
return null;
}
final ArrayDimensions dimensions = ((Def_Port) assignment).getDimensions();
if (dimensions != null) {
dimensions.checkIndices(timestamp, portReference, "port", false, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
} else if (portReference.getSubreferences().size() > 1) {
portReference.getLocation().reportSemanticError(MessageFormat.format("Port `{0}'' is not an array. The reference cannot have field or array sub-references", portIdentifier.getDisplayName()));
}
Port_Type portType = ((Def_Port) assignment).getType(timestamp);
if (portType != null) {
final PortTypeBody portBody = portType.getPortBody();
if (PortType_type.PT_USER.equals(portBody.getPortType())) {
final IType providerType = portBody.getProviderType();
if (providerType instanceof Port_Type) {
portType = (Port_Type) providerType;
}
}
}
return portType;
}
use of org.eclipse.titan.designer.AST.TTCN3.values.ArrayDimensions in project titan.EclipsePlug-ins by eclipse.
the class Port_Utility method checkPortReference.
/**
* Checks a port reference.
* Statement independent version.
*
* @param timestamp
* the timestamp of the actual build cycle.
* @param portReference
* the port reference to be checked
*
* @return the port type of the reference if it is a correct port
* reference, or null otherwise
*/
public static Port_Type checkPortReference(final CompilationTimeStamp timestamp, final Reference portReference) {
if (portReference == null) {
return null;
}
final Assignment assignment = portReference.getRefdAssignment(timestamp, true);
if (assignment == null || assignment.getIsErroneous()) {
return null;
}
IType result = null;
switch(assignment.getAssignmentType()) {
case A_PORT:
final ArrayDimensions dimensions = ((Def_Port) assignment).getDimensions();
if (dimensions != null) {
dimensions.checkIndices(timestamp, portReference, "port", false, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
} else if (portReference.getSubreferences().size() > 1) {
portReference.getLocation().reportSemanticError(MessageFormat.format("Reference to single {0} cannot have field or array sub-references", assignment.getDescription()));
}
result = ((Def_Port) assignment).getType(timestamp);
break;
case A_PAR_PORT:
if (portReference.getSubreferences().size() > 1) {
portReference.getLocation().reportSemanticError(MessageFormat.format("Reference to {0} cannot have field or array sub-references", assignment.getDescription()));
}
result = ((FormalParameter) assignment).getType(timestamp);
break;
default:
portReference.getLocation().reportSemanticError(MessageFormat.format(PORTREFERENCEEXPECTED, assignment.getAssignmentName()));
break;
}
if (result == null) {
return null;
}
result = result.getTypeRefdLast(timestamp);
if (Type_type.TYPE_PORT.equals(result.getTypetype())) {
return (Port_Type) result;
}
return null;
}
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