struct variable **var; /* Vector of variables. */
int cnt; /* Number of variables. */
};
-\f
-struct var_set;
-
-struct dictionary;
-struct var_set *var_set_create_from_dict (const struct dictionary *d);
-struct var_set *var_set_create_from_array (struct variable *const *var,
- size_t);
-
-size_t var_set_get_cnt (const struct var_set *vs);
-struct variable *var_set_get_var (const struct var_set *vs, size_t idx);
-struct variable *var_set_lookup_var (const struct var_set *vs,
- const char *name);
-bool var_set_lookup_var_idx (const struct var_set *vs, const char *name,
- size_t *idx);
-void var_set_destroy (struct var_set *vs);
-\f
-/* Variable parsers. */
-
-enum
- {
- PV_NONE = 0, /* No options. */
- PV_SINGLE = 0001, /* Restrict to a single name or TO use. */
- PV_DUPLICATE = 0002, /* Don't merge duplicates. */
- PV_APPEND = 0004, /* Append to existing list. */
- PV_NO_DUPLICATE = 0010, /* Error on duplicates. */
- PV_NUMERIC = 0020, /* Vars must be numeric. */
- PV_STRING = 0040, /* Vars must be string. */
- PV_SAME_TYPE = 00100, /* All vars must be the same type. */
- PV_NO_SCRATCH = 00200 /* Disallow scratch variables. */
- };
-
-struct pool;
-struct variable *parse_variable (void);
-struct variable *parse_dict_variable (const struct dictionary *);
-int parse_variables (const struct dictionary *, struct variable ***, size_t *,
- int opts);
-int parse_var_set_vars (const struct var_set *, struct variable ***, size_t *,
- int opts);
-int parse_DATA_LIST_vars (char ***names, size_t *cnt, int opts);
-int parse_mixed_vars (char ***names, size_t *cnt, int opts);
-int parse_mixed_vars_pool (struct pool *,
- char ***names, size_t *cnt, int opts);
/* Return a string representing this variable, in the form most