use of org.eclipse.titan.designer.AST.TTCN3.templates.ITTCN3Template in project titan.EclipsePlug-ins by eclipse.
the class SubstrExpression method getExpressionReturntype.
@Override
public /**
* {@inheritDoc}
*/
Type_type getExpressionReturntype(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue) {
final IValue last = getValueRefdLast(timestamp, expectedValue, null);
if (last == null || templateInstance1 == null) {
return Type_type.TYPE_UNDEFINED;
}
if (last.getIsErroneous(timestamp)) {
setIsErroneous(true);
return Type_type.TYPE_UNDEFINED;
}
final ITTCN3Template template = templateInstance1.getTemplateBody().setLoweridToReference(timestamp);
final Type_type tempType = template.getExpressionReturntype(timestamp, Expected_Value_type.EXPECTED_TEMPLATE);
switch(tempType) {
case TYPE_BITSTRING:
case TYPE_HEXSTRING:
case TYPE_OCTETSTRING:
case TYPE_CHARSTRING:
case TYPE_UCHARSTRING:
case TYPE_SET_OF:
case TYPE_SEQUENCE_OF:
return tempType;
case TYPE_UNDEFINED:
return tempType;
default:
setIsErroneous(true);
return Type_type.TYPE_UNDEFINED;
}
}
use of org.eclipse.titan.designer.AST.TTCN3.templates.ITTCN3Template in project titan.EclipsePlug-ins by eclipse.
the class IsBoundExpression method evaluateValue.
@Override
public /**
* {@inheritDoc}
*/
IValue evaluateValue(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
if (lastTimeChecked != null && !lastTimeChecked.isLess(timestamp)) {
return lastValue;
}
isErroneous = false;
lastTimeChecked = timestamp;
lastValue = this;
if (templateInstance == null) {
return lastValue;
}
checkExpressionOperands(timestamp, expectedValue, referenceChain);
if (getIsErroneous(timestamp)) {
return lastValue;
}
if (isUnfoldable(timestamp, referenceChain)) {
return lastValue;
}
ITTCN3Template template = templateInstance.getTemplateBody();
template = template.getTemplateReferencedLast(timestamp);
boolean result = false;
if (template.getTemplatetype() == Template_type.TEMPLATE_REFD) {
final TTCN3Template last = template.getTemplateReferencedLast(timestamp);
if (last != null && Template_type.SPECIFIC_VALUE.equals(last.getTemplatetype())) {
result = ((SpecificValue_Template) last).getValue().evaluateIsbound(timestamp, ((Referenced_Template) template).getReference(), 1);
}
} else if (template.getTemplatetype() == Template_type.SPECIFIC_VALUE) {
final IValue value = ((SpecificValue_Template) template).getValue();
if (value.getValuetype() == Value_type.REFERENCED_VALUE) {
result = value.evaluateIsbound(timestamp, ((Referenced_Value) value).getReference(), 1);
} else {
result = !value.getIsErroneous(timestamp);
}
}
lastValue = new Boolean_Value(result);
lastValue.copyGeneralProperties(this);
return lastValue;
}
use of org.eclipse.titan.designer.AST.TTCN3.templates.ITTCN3Template in project titan.EclipsePlug-ins by eclipse.
the class IsBoundExpression method isUnfoldable.
@Override
public /**
* {@inheritDoc}
*/
boolean isUnfoldable(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
if (templateInstance == null) {
return true;
}
final ITTCN3Template template = templateInstance.getTemplateBody().setLoweridToReference(timestamp);
if (templateInstance.getDerivedReference() != null) {
return true;
}
if (Template_type.SPECIFIC_VALUE.equals(template.getTemplatetype())) {
final IValue specificValue = ((SpecificValue_Template) template).getValue();
if (Value_type.REFERENCED_VALUE.equals(specificValue.getValuetype())) {
final Reference reference = ((Referenced_Value) specificValue).getReference();
final Assignment ass = reference.getRefdAssignment(timestamp, false);
if (ass == null) {
return true;
}
switch(ass.getAssignmentType()) {
case A_OBJECT:
case A_OS:
case A_CONST:
case A_EXT_CONST:
case A_MODULEPAR:
case A_VAR:
case A_FUNCTION_RVAL:
case A_EXT_FUNCTION_RVAL:
case A_PAR_VAL:
case A_PAR_VAL_IN:
case A_PAR_VAL_OUT:
case A_PAR_VAL_INOUT:
break;
default:
return true;
}
// TODO improve to better detect unbound
// elements
final IValue last = specificValue.getValueRefdLast(timestamp, expectedValue, null);
if (last == null) {
return true;
}
if (last == this) {
return getIsErroneous(timestamp);
}
return last.isUnfoldable(timestamp, expectedValue, referenceChain);
}
return specificValue.isUnfoldable(timestamp, expectedValue, referenceChain);
} else if (Template_type.TEMPLATE_REFD.equals(template.getTemplatetype())) {
final Reference reference = ((Referenced_Template) template).getReference();
final Assignment ass = reference.getRefdAssignment(timestamp, true);
if (ass == null) {
return true;
}
switch(ass.getAssignmentType()) {
case A_TEMPLATE:
break;
default:
return true;
}
// TODO improve to better detect unbound elements
final TTCN3Template last = template.getTemplateReferencedLast(timestamp);
if (last == null) {
return true;
}
if (last == template) {
return last.getIsErroneous(timestamp);
}
if (Template_type.SPECIFIC_VALUE.equals(last.getTemplatetype())) {
return ((SpecificValue_Template) last).getValue().isUnfoldable(timestamp, expectedValue, referenceChain);
}
}
return true;
}
use of org.eclipse.titan.designer.AST.TTCN3.templates.ITTCN3Template in project titan.EclipsePlug-ins by eclipse.
the class IsBoundExpression method checkExpressionTemplateInstance.
/**
* Checks if the templateinstance parameter (which is a parameter of the
* expression parameter) is actually a constant or static value or not.
*
* @param timestamp
* the timestamp of the actual semantic check cycle.
* @param expression
* the expression to report the possible errors to.
* @param instance
* the template instance parameter of the expression to
* be checked.
* @param type
* the type against which the template instance shall be
* checked.
* @param referenceChain
* the reference chain to detect circular references.
* @param expectedValue
* the expected value of the template instance.
*/
private static void checkExpressionTemplateInstance(final CompilationTimeStamp timestamp, final Expression_Value expression, final TemplateInstance instance, final IType type, final IReferenceChain referenceChain, final Expected_Value_type expectedValue) {
Expected_Value_type internalExpectation;
if (Expected_Value_type.EXPECTED_DYNAMIC_VALUE.equals(expectedValue)) {
internalExpectation = Expected_Value_type.EXPECTED_TEMPLATE;
} else {
internalExpectation = expectedValue;
}
final ITTCN3Template body = instance.getTemplateBody();
if (Template_type.TEMPLATE_REFD.equals(body.getTemplatetype())) {
((Referenced_Template) body).getReference().setUsedInIsbound();
} else if (Template_type.SPECIFIC_VALUE.equals(body.getTemplatetype())) {
final IValue value = ((SpecificValue_Template) body).getValue();
if (value != null && Value_type.REFERENCED_VALUE.equals(value.getValuetype())) {
((Referenced_Value) value).getReference().setUsedInIsbound();
}
}
instance.check(timestamp, type);
if (!Expected_Value_type.EXPECTED_TEMPLATE.equals(internalExpectation) && instance.getDerivedReference() != null) {
if (Expected_Value_type.EXPECTED_CONSTANT.equals(internalExpectation)) {
instance.getLocation().reportSemanticError(CONSTEXPECTED1);
} else {
instance.getLocation().reportSemanticError(STATICEXPECTED1);
}
expression.setIsErroneous(true);
}
ITTCN3Template template = instance.getTemplateBody();
if (template.getIsErroneous(timestamp)) {
expression.setIsErroneous(true);
return;
}
switch(template.getTemplatetype()) {
case TEMPLATE_REFD:
if (Expected_Value_type.EXPECTED_TEMPLATE.equals(internalExpectation)) {
template = template.getTemplateReferencedLast(timestamp, referenceChain);
if (template.getIsErroneous(timestamp)) {
expression.setIsErroneous(true);
}
} else {
if (Expected_Value_type.EXPECTED_CONSTANT.equals(internalExpectation)) {
instance.getLocation().reportSemanticError(MessageFormat.format(CONSTEXPECTED2, ((Referenced_Template) template).getReference().getRefdAssignment(timestamp, true).getDescription()));
} else {
instance.getLocation().reportSemanticError(MessageFormat.format(STATICEXPECTED2, ((Referenced_Template) template).getReference().getRefdAssignment(timestamp, true).getDescription()));
}
expression.setIsErroneous(true);
}
break;
case SPECIFIC_VALUE:
final IValue tempValue = ((SpecificValue_Template) template).getSpecificValue();
switch(tempValue.getValuetype()) {
case REFERENCED_VALUE:
type.checkThisValueRef(timestamp, tempValue);
break;
case EXPRESSION_VALUE:
tempValue.getValueRefdLast(timestamp, referenceChain);
break;
default:
break;
}
if (tempValue.getIsErroneous(timestamp)) {
expression.setIsErroneous(true);
}
break;
default:
break;
}
}
use of org.eclipse.titan.designer.AST.TTCN3.templates.ITTCN3Template in project titan.EclipsePlug-ins by eclipse.
the class IsBoundExpression 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 referenceChain
* the reference chain to detect circular references.
* @param expectedValue
* the expected value of the template instance.
*/
private void checkExpressionOperands(final CompilationTimeStamp timestamp, final Expected_Value_type expectedValue, final IReferenceChain referenceChain) {
final Expected_Value_type internalExpectation = Expected_Value_type.EXPECTED_DYNAMIC_VALUE.equals(expectedValue) ? Expected_Value_type.EXPECTED_TEMPLATE : expectedValue;
IType governor = templateInstance.getExpressionGovernor(timestamp, internalExpectation);
ITTCN3Template template = templateInstance.getTemplateBody();
if (governor == null) {
template = template.setLoweridToReference(timestamp);
governor = template.getExpressionGovernor(timestamp, internalExpectation);
}
if (governor == null) {
if (!template.getIsErroneous(timestamp)) {
templateInstance.getLocation().reportSemanticError(OPERANDERROR);
}
setIsErroneous(true);
} else {
templateInstance.getExpressionReturntype(timestamp, internalExpectation);
checkExpressionTemplateInstance(timestamp, this, templateInstance, governor, referenceChain, expectedValue);
// setMyGovernor(governor);
}
}
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