#include "error.h"
#include <stdlib.h>
#include "alloc.h"
-#include "command.h"
#include "dictionary.h"
-#include "do-ifP.h"
-#include "expressions/public.h"
-#include "file-handle.h"
#include "hash.h"
-#include "lexer.h"
+#include "lex-def.h"
#include "misc.h"
#include "str.h"
#include "value-labels.h"
-#include "vfm.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
-#include "debug-print.h"
+/* Returns an adjective describing the given variable TYPE,
+ suitable for use in phrases like "numeric variable". */
+const char *
+var_type_adj (enum var_type type)
+{
+ return type == NUMERIC ? _("numeric") : _("string");
+}
+
+/* Returns a noun describing a value of the given variable TYPE,
+ suitable for use in phrases like "a number". */
+const char *
+var_type_noun (enum var_type type)
+{
+ return type == NUMERIC ? _("number") : _("string");
+}
/* Assign auxiliary data AUX to variable V, which must not
already have auxiliary data. Before V's auxiliary data is
-/* Discards all the current state in preparation for a data-input
- command like DATA LIST or GET. */
-void
-discard_variables (void)
-{
- dict_clear (default_dict);
- default_handle = NULL;
-
- n_lag = 0;
-
- if (vfm_source != NULL)
- {
- free_case_source (vfm_source);
- vfm_source = NULL;
- }
-
- cancel_transformations ();
-
- ctl_stack = NULL;
-
- expr_free (process_if_expr);
- process_if_expr = NULL;
-
- cancel_temporary ();
-
- pgm_state = STATE_INIT;
-}
-
-/* Return nonzero only if X is a user-missing value for numeric
- variable V. */
-inline int
-is_num_user_missing (double x, const struct variable *v)
-{
- switch (v->miss_type)
- {
- case MISSING_NONE:
- return 0;
- case MISSING_1:
- return x == v->missing[0].f;
- case MISSING_2:
- return x == v->missing[0].f || x == v->missing[1].f;
- case MISSING_3:
- return (x == v->missing[0].f || x == v->missing[1].f
- || x == v->missing[2].f);
- case MISSING_RANGE:
- return x >= v->missing[0].f && x <= v->missing[1].f;
- case MISSING_LOW:
- return x <= v->missing[0].f;
- case MISSING_HIGH:
- return x >= v->missing[0].f;
- case MISSING_RANGE_1:
- return ((x >= v->missing[0].f && x <= v->missing[1].f)
- || x == v->missing[2].f);
- case MISSING_LOW_1:
- return x <= v->missing[0].f || x == v->missing[1].f;
- case MISSING_HIGH_1:
- return x >= v->missing[0].f || x == v->missing[1].f;
- default:
- assert (0);
- }
- abort ();
-}
-
-/* Return nonzero only if string S is a user-missing variable for
- string variable V. */
-inline int
-is_str_user_missing (const unsigned char s[], const struct variable *v)
-{
- /* FIXME: should these be memcmp()? */
- switch (v->miss_type)
- {
- case MISSING_NONE:
- return 0;
- case MISSING_1:
- return !strncmp (s, v->missing[0].s, v->width);
- case MISSING_2:
- return (!strncmp (s, v->missing[0].s, v->width)
- || !strncmp (s, v->missing[1].s, v->width));
- case MISSING_3:
- return (!strncmp (s, v->missing[0].s, v->width)
- || !strncmp (s, v->missing[1].s, v->width)
- || !strncmp (s, v->missing[2].s, v->width));
- default:
- assert (0);
- }
- abort ();
-}
-
-/* Return nonzero only if value VAL is system-missing for variable
- V. */
-int
-is_system_missing (const union value *val, const struct variable *v)
-{
- return v->type == NUMERIC && val->f == SYSMIS;
-}
-
-/* Return nonzero only if value VAL is system- or user-missing for
- variable V. */
-int
-is_missing (const union value *val, const struct variable *v)
-{
- switch (v->type)
- {
- case NUMERIC:
- if (val->f == SYSMIS)
- return 1;
- return is_num_user_missing (val->f, v);
- case ALPHA:
- return is_str_user_missing (val->s, v);
- default:
- assert (0);
- }
- abort ();
-}
-
-/* Return nonzero only if value VAL is user-missing for variable V. */
-int
-is_user_missing (const union value *val, const struct variable *v)
-{
- switch (v->type)
- {
- case NUMERIC:
- return is_num_user_missing (val->f, v);
- case ALPHA:
- return is_str_user_missing (val->s, v);
- default:
- assert (0);
- }
- abort ();
-}
\f
/* Returns true if NAME is an acceptable name for a variable,
false otherwise. If ISSUE_ERROR is true, issues an
if (lex_id_to_token (name, strlen (name)) != T_ID)
{
if (issue_error)
- msg (SE, _("%s may not be used as a variable name because it "
+ msg (SE, _("`%s' may not be used as a variable name because it "
"is a reserved word."), name);
return false;
}
ofs = strlen (v->short_name);
strcpy (v->short_name + ofs, start);
}
+
+
+/* Returns the dictionary class corresponding to a variable named
+ NAME. */
+enum dict_class
+dict_class_from_id (const char *name)
+{
+ assert (name != NULL);
+
+ switch (name[0])
+ {
+ default:
+ return DC_ORDINARY;
+ case '$':
+ return DC_SYSTEM;
+ case '#':
+ return DC_SCRATCH;
+ }
+}
+
+/* Returns the name of dictionary class DICT_CLASS. */
+const char *
+dict_class_to_name (enum dict_class dict_class)
+{
+ switch (dict_class)
+ {
+ case DC_ORDINARY:
+ return _("ordinary");
+ case DC_SYSTEM:
+ return _("system");
+ case DC_SCRATCH:
+ return _("scratch");
+ default:
+ assert (0);
+ abort ();
+ }
+}
projects / pspp / blobdiff