Make "internal variables" part of a dictionary.

[pspp] / src / data / dictionary.h

diff --git a/src/data/dictionary.h b/src/data/dictionary.h
index 02fd5cd4c0195f3ed73c994d04571b4988a796d3..0b3c6cd273aae6e8a27357bf0a1a3104963cb0bb 100644 (file)
--- a/src/data/dictionary.h
+++ b/src/data/dictionary.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -56,10 +56,14 @@ struct variable *dict_create_var (struct dictionary *, const char *,
                                   int width);
 struct variable *dict_create_var_assert (struct dictionary *, const char *,
                                          int width);
-struct variable *dict_clone_var (struct dictionary *, const struct variable *,
-                                 const char *);
+struct variable *dict_clone_var (struct dictionary *, const struct variable *);
 struct variable *dict_clone_var_assert (struct dictionary *,
-                                        const struct variable *, const char *);
+                                        const struct variable *);
+struct variable *dict_clone_var_as (struct dictionary *,
+                                    const struct variable *, const char *);
+struct variable *dict_clone_var_as_assert (struct dictionary *,
+                                           const struct variable *,
+                                           const char *);
 
 /* Deleting variables. */
 void dict_delete_var (struct dictionary *, struct variable *);
@@ -150,10 +154,13 @@ struct attrset *dict_get_attributes (const struct dictionary *);
 void dict_set_attributes (struct dictionary *, const struct attrset *);
 bool dict_has_attributes (const struct dictionary *);
 
-
+/* Data encoding. */
 void dict_set_encoding (struct dictionary *d, const char *enc);
 const char *dict_get_encoding (const struct dictionary *d);
 
+/* Internal variables. */
+struct variable *dict_create_internal_var (int case_idx, int width);
+void dict_destroy_internal_var (struct variable *);
 
 /* Functions to be called upon dictionary changes. */
 struct dict_callbacks