/* Production 72, chapter 3.4, corba 2.3.1 */
public void union_type() {
/*@bgen(jjtree) union_type */
ASTunion_type jjtn000 = new ASTunion_type(this, IDLParserTreeConstants.JJTUNION_TYPE);
bool jjtc000 = true;
jjtree.openNodeScope(jjtn000);String ident = "";
try {
jj_consume_token(62);
ident = identifier();
// recursive definition using a sequence is permitted --> publish symbol already here
Scope currentScope = m_symbolTable.getCurrentScope();
currentScope.addSymbol(ident);
jjtn000.setIdent(ident);
jj_consume_token(63);
jj_consume_token(29);
m_symbolTable.openScope(ident, true); // open a scope for type declaration inside the union
switch_type_spec();
jj_consume_token(30);
jj_consume_token(14);
switch_body();
jj_consume_token(15);
jjtree.closeNodeScope(jjtn000, true);
jjtc000 = false;
m_symbolTable.closeScope();
} catch (Exception jjte000) {
if (jjtc000) {
jjtree.clearNodeScope(jjtn000);
jjtc000 = false;
} else {
jjtree.popNode();
}
{if (true) throw ;}
} finally {
if (jjtc000) {
jjtree.closeNodeScope(jjtn000, true);
}
}
}
/**
* @see parser.IDLParserVisitor#visit(ASTunion_type, Object)
*/
public Object visit(ASTunion_type node, Object data) {
// generate the struct for this union
CheckParameterForBuildInfo(data, node);
BuildInfo buildInfo = (BuildInfo) data;
Symbol forSymbol = buildInfo.GetBuildScope().getSymbol(node.getIdent());
// check if type is known from a previous run over a parse tree --> if so: skip
// not needed to check if struct is a nested types, because parent type should already be skipped
// --> code generation for all nested types skipped too
if (m_typeManager.CheckSkip(forSymbol)) {
return m_typeManager.GetKnownType(forSymbol);
}
// create Helper for union generation
String fullyQualName = buildInfo.GetBuildScope().GetFullyQualifiedNameForSymbol(forSymbol.getSymbolName());
UnionGenerationHelper genHelper =
m_typeManager.StartUnionTypeDefinition(forSymbol, fullyQualName);
UnionBuildInfo thisInfo = new UnionBuildInfo(buildInfo.GetBuildScope().getChildScope(forSymbol.getSymbolName()), genHelper,
forSymbol);
Node switchBody = node.jjtGetChild(1);
TypeContainer discrType = (TypeContainer)node.jjtGetChild(0).jjtAccept(this, thisInfo);
if (discrType == null) {
throw new InvalidIdlException(
String.Format("dicriminator type {0} not (yet) defined for union {1}",
((SimpleNode)node.jjtGetChild(0)).GetIdentification(),
node.GetIdentification()));
}
discrType = ReplaceByCustomMappedIfNeeded(discrType);
ArrayList coveredDiscriminatorRange = ExtractCoveredDiscriminatorRange((ASTswitch_body)switchBody,
discrType, thisInfo);
genHelper.AddDiscriminatorFieldAndProperty(discrType, coveredDiscriminatorRange);
switchBody.jjtAccept(this, thisInfo);
// create the resulting type
Type resultType = m_typeManager.EndUnionTypeDefinition(forSymbol, genHelper);
return new TypeContainer(resultType);
}
