/**
* @see parser.IDLParserVisitor#visit(ASTvalue_decl, Object)
* @param data an instance of the type buildinfo specifing the scope, this value is declared in
*/
public Object visit(ASTvalue_decl node, Object data) {
CheckParameterForBuildInfo(data, node);
// data contains the scope, this value type is declared in
Scope enclosingScope = ((BuildInfo) data).GetBuildScope();
// an IDL concrete value type
// get the header
ASTvalue_header header = (ASTvalue_header)node.jjtGetChild(0);
Symbol forSymbol = enclosingScope.getSymbol(header.getIdent());
// check if type is known from a previous run over a parse tree --> if so: skip
if (m_typeManager.CheckSkip(forSymbol)) {
return null;
}
// retrieve first types for the inherited
System.Type[] inheritFrom = (System.Type[])header.jjtAccept(this, data);
// check is custom:
if (header.isCustom()) {
System.Type[] newInherit = new System.Type[inheritFrom.Length + 1];
Array.Copy(inheritFrom, 0, newInherit, 0, inheritFrom.Length);
newInherit[inheritFrom.Length] = typeof(ICustomMarshalled);
inheritFrom = newInherit;
}
Type baseClass = ReflectionHelper.ObjectType;
if ((inheritFrom.Length > 0) && (inheritFrom[0].IsClass)) {
// only the first entry may be a class for a concrete value type:
// multiple inheritance is not allowed for concrete value types,
// the value type from which is inherited from must be first in inheritance list,
// 3.8.5 in CORBA 2.3.1 spec
baseClass = inheritFrom[0];
Type[] tmp = new Type[inheritFrom.Length-1];
Array.Copy(inheritFrom, 1, tmp, 0, tmp.Length);
inheritFrom = tmp;
}
TypeBuilder valueToBuild = CreateOrGetValueDcl(forSymbol,
baseClass, inheritFrom,
false, false);
// add implementation class attribute
valueToBuild.SetCustomAttribute(new ImplClassAttribute(valueToBuild.FullName + "Impl").CreateAttributeBuilder());
m_ilEmitHelper.AddSerializableAttribute(valueToBuild);
// make sure, every value type has a default constructor
ConstructorBuilder defConstr =
valueToBuild.DefineDefaultConstructor(MethodAttributes.Family);
// generate elements
BuildInfo buildInfo =
new ConcreteValTypeBuildInfo(enclosingScope.getChildScope(forSymbol.getSymbolName()),
valueToBuild, forSymbol, defConstr);
ArrayList /* FieldBuilder */ fields = new ArrayList();
for (int i = 1; i < node.jjtGetNumChildren(); i++) { // for all value_element children
ASTvalue_element elem = (ASTvalue_element)node.jjtGetChild(i);
IList stateFields = (IList)
elem.jjtAccept(this, buildInfo);
if (stateFields != null) {
// only state value elements return field builders
fields.AddRange(stateFields);
}
}
AddExplicitSerializationOrder(valueToBuild, fields);
// finally create the type
Type resultType = m_typeManager.EndTypeDefinition(forSymbol);
// add to list of value types generated for informing the user of need for implementation class
m_valueTypesDefined.Add(resultType);
return null;
}
