//ssyy
private void VisitLabelDeclaration(label_node ln)
{
members[ln] = (int)bw.BaseStream.Position;
bw.Write(ln.name);
WriteDebugInfo(ln.Location);
}
public goto_statement(label_node v_label, location v_location)
: base(v_location)
{
_label = v_label;
}
private label_node GetLabel(int offset)
{
definition_node dn = null;
if (members.TryGetValue(offset, out dn))
return dn as label_node;
label_node lab = null;
int pos = (int)br.BaseStream.Position;
br.BaseStream.Seek(start_pos + offset, SeekOrigin.Begin);
string s = br.ReadString();
location loc = ReadDebugInfo();
lab = new label_node(s, loc);
//members[offset] = lab;
AddMember(lab, offset);
br.BaseStream.Seek(pos, SeekOrigin.Begin);
return lab;
}
public labeled_statement(label_node v_label, statement_node v_statement, location v_location)
: base(v_location)
{
_label = v_label;
_statement = v_statement;
}
public goto_statement(label_node v_label, location v_location)
:base(v_location)
{
_label = v_label;
}
public labeled_statement(label_node v_label, statement_node v_statement, location v_location)
: base(v_location)
{
_label = v_label;
_statement = v_statement;
}
public SymbolInfo(label_node lab)
{
_sym_info = lab;
_access_level = access_level.al_public;
_symbol_kind = symbol_kind.sk_none;
}
//ssyy
public label_node add_label_declaration(string name, location loc)
{
check_name_free(name, loc);
label_node lab = new label_node(name, loc);
switch (converting_block())
{
case block_type.function_block:
{
common_function_node top_func = _func_stack.top();
top_func.label_nodes_list.Add(lab);
top_func.scope.AddSymbol(name, new SymbolInfo(lab));
break;
}
case block_type.namespace_block:
{
_cmn.scope.AddSymbol(name, new SymbolInfo(lab));
_cmn.labels.Add(lab);
break;
}
default:
{
AddError(loc, "LABEL_CAN_NOT_BE_DECLARED_HERE");
break;
}
}
return lab;
}