Enables Data Open/Save/New menuitems.

[pspp-builds.git] / src / language / command.c

diff --git a/src/language/command.c b/src/language/command.c
index b46d1e83b813a7744e7b9c056fe9205b11cbd33a..2284deedc8324a51c05bad47f9ea6a4b90e506de 100644 (file)
--- a/src/language/command.c
+++ b/src/language/command.c
@@ -136,14 +136,15 @@ static enum cmd_result do_parse_command (struct lexer *, struct dataset *, enum
    dot.  On failure, skips to the terminating dot.
    Returns the command's success or failure result. */
 enum cmd_result
-cmd_parse (struct lexer *lexer, struct dataset *ds, enum cmd_state state) 
+cmd_parse_in_state (struct lexer *lexer, struct dataset *ds,
+                   enum cmd_state state)
 {
   int result;
-  
+
   som_new_series ();
 
   result = do_parse_command (lexer, ds, state);
-  if (cmd_result_is_failure (result)) 
+  if (cmd_result_is_failure (result))
     lex_discard_rest_of_command (lexer);
 
   unset_cmd_algorithm ();
@@ -152,6 +153,17 @@ cmd_parse (struct lexer *lexer, struct dataset *ds, enum cmd_state state)
   return result;
 }
 
+enum cmd_result
+cmd_parse (struct lexer *lexer, struct dataset *ds)
+{
+  const struct dictionary *dict = dataset_dict (ds);
+  return cmd_parse_in_state (lexer, ds,
+                            proc_has_source (ds) &&
+                            dict_get_var_cnt (dict) > 0 ?
+                            CMD_STATE_DATA : CMD_STATE_INITIAL);
+}
+
+
 /* Parses an entire command, from command name to terminating
    dot. */
 static enum cmd_result