public CodegenField AddSubstitutionParameter(
string name,
Type type)
{
var mixed = false;
if (name == null) {
if (!_substitutionParamsByName.IsEmpty()) {
mixed = true;
}
}
else if (!SubstitutionParamsByNumber.IsEmpty()) {
mixed = true;
}
if (mixed) {
throw new ArgumentException("Mixing named and unnamed substitution parameters is not allowed");
}
if (name != null) {
var entry = _substitutionParamsByName.Get(name);
if (entry != null && !TypeHelper.IsSubclassOrImplementsInterface(type, entry.Type)) {
throw new ArgumentException(
"Substitution parameter '" +
name +
"' of type '" +
entry.Type +
"' cannot be assigned type '" +
type +
"'");
}
}
CodegenField member;
if (name == null) {
var assigned = ++_currentSubstitutionParamNumber;
var fieldName = CodegenNamespaceScopeNames.AnySubstitutionParam(assigned);
member = new CodegenField(FieldsClassName, fieldName, type, null, false);
SubstitutionParamsByNumber.Add(new CodegenSubstitutionParamEntry(member, name, type));
}
else {
var existing = _substitutionParamsByName.Get(name);
if (existing == null) {
var assigned = ++_currentSubstitutionParamNumber;
var fieldName = CodegenNamespaceScopeNames.AnySubstitutionParam(assigned);
member = new CodegenField(FieldsClassName, fieldName, type, null, false);
_substitutionParamsByName.Put(name, new CodegenSubstitutionParamEntry(member, name, type));
}
else {
member = existing.Field;
}
}
return member;
}
// --------------------------------------------------------------------------------
private CodegenField AddFieldUnsharedInternal(
bool isFinal,
Type type,
CodegenExpression initCtorScoped)
{
var memberNumber = _currentMemberNumber++;
var name = CodegenNamespaceScopeNames.AnyField(memberNumber);
var member = new CodegenField(FieldsClassName, name, type, null, isFinal);
_fieldsUnshared.Put(member, initCtorScoped);
return member;
}