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comparison src/ov-class.cc @ 7972:5bf4e2c13ed8

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make superiorto and inferiorto work
author John W. Eaton <jwe@octave.org>
date Fri, 25 Jul 2008 14:25:35 -0400
parents 22a18f206121
children 265a821f6555
comparison
equal deleted inserted replaced
7971:dd5cc5016487 7972:5bf4e2c13ed8
1095 } 1095 }
1096 1096
1097 return built_in_class_names.find (cn) != built_in_class_names.end (); 1097 return built_in_class_names.find (cn) != built_in_class_names.end ();
1098 } 1098 }
1099 1099
1100 static void
1101 set_class_relationship (const std::string& sup_class,
1102 const std::string& inf_class)
1103 {
1104 // FIXME
1105
1106 warning ("class precedence not implemented");
1107 }
1108
1109 DEFUN (superiorto, args, , 1100 DEFUN (superiorto, args, ,
1110 "-*- texinfo -*-\n\ 1101 "-*- texinfo -*-\n\
1111 @deftypefn {Built-in Function} {} superiorto (@var{class_name})\n\ 1102 @deftypefn {Built-in Function} {} superiorto (@var{class_name})\n\
1112 When called from a class constructor, mark the object currently\n\ 1103 When called from a class constructor, mark the object currently\n\
1113 constructed as having a higher precedence than @var{class_name}.\n\ 1104 constructed as having a higher precedence than @var{class_name}.\n\
1128 { 1119 {
1129 if (! is_built_in_class (class_name)) 1120 if (! is_built_in_class (class_name))
1130 { 1121 {
1131 std::string this_class_name = fcn->name (); 1122 std::string this_class_name = fcn->name ();
1132 1123
1133 set_class_relationship (this_class_name, class_name); 1124 if (! symbol_table::set_class_relationship (this_class_name,
1125 class_name))
1126 error ("superiorto: precedence already set for %s and %s",
1127 this_class_name.c_str (), class_name.c_str ());
1134 } 1128 }
1135 else 1129 else
1136 { 1130 {
1137 // User defined classes always have higher precedence 1131 // User defined classes always have higher precedence
1138 // than built-in classes. 1132 // than built-in classes.
1172 { 1166 {
1173 if (! is_built_in_class (class_name)) 1167 if (! is_built_in_class (class_name))
1174 { 1168 {
1175 std::string this_class_name = fcn->name (); 1169 std::string this_class_name = fcn->name ();
1176 1170
1177 set_class_relationship (class_name, this_class_name); 1171 symbol_table::set_class_relationship (class_name,
1172 this_class_name);
1173
1174 if (! symbol_table::set_class_relationship (this_class_name,
1175 class_name))
1176 error ("inferiorto: precedence already set for %s and %s",
1177 this_class_name.c_str (), class_name.c_str ());
1178 } 1178 }
1179 else 1179 else
1180 error ("inferiorto: cannot give user-defined class lower precedence than built-in class"); 1180 error ("inferiorto: cannot give user-defined class lower precedence than built-in class");
1181 } 1181 }
1182 else 1182 else