Finish converting struct variable to an opaque type. In this

[pspp-builds.git] / src / language / dictionary / missing-values.c

diff --git a/src/language/dictionary/missing-values.c b/src/language/dictionary/missing-values.c
index e37fa987deddfb3dd642b777d8582a1fd3070d75..af7eeec9afdc95a55899ff5439b416e8f5835784 100644 (file)
--- a/src/language/dictionary/missing-values.c
+++ b/src/language/dictionary/missing-values.c
@@ -1,5 +1,5 @@
 /* PSPP - computes sample statistics.
-   Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
    Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
@@ -22,10 +22,13 @@
 #include <stdlib.h>
 
 #include <data/data-in.h>
+#include <data/missing-values.h>
 #include <data/procedure.h>
+#include <data/value.h>
 #include <data/variable.h>
 #include <language/command.h>
 #include <language/lexer/lexer.h>
+#include <language/lexer/variable-parser.h>
 #include <language/lexer/range-parser.h>
 #include <libpspp/magic.h>
 #include <libpspp/message.h>
@@ -36,7 +39,7 @@
 #define _(msgid) gettext (msgid)
 
 int
-cmd_missing_values (void)
+cmd_missing_values (struct lexer *lexer, struct dataset *ds)
 {
   struct variable **v;
   size_t nv;
@@ -44,46 +47,47 @@ cmd_missing_values (void)
   int retval = CMD_FAILURE;
   bool deferred_errors = false;
 
-  while (token != '.')
+  while (lex_token (lexer) != '.')
     {
       size_t i;
 
-      if (!parse_variables (default_dict, &v, &nv, PV_NONE)) 
+      if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE)) 
         goto done;
 
-      if (!lex_match ('('))
+      if (!lex_match (lexer, '('))
         {
-          lex_error (_("expecting `('"));
+          lex_error (lexer, _("expecting `('"));
           goto done;
         }
 
       for (i = 0; i < nv; i++)
-        mv_init (&v[i]->miss, v[i]->width);
+        var_clear_missing_values (v[i]);
 
-      if (!lex_match (')')) 
+      if (!lex_match (lexer, ')')) 
         {
           struct missing_values mv;
 
           for (i = 0; i < nv; i++)
-            if (v[i]->type != v[0]->type)
+            if (var_get_type (v[i]) != var_get_type (v[0]))
               {
-                const struct variable *n = v[0]->type == NUMERIC ? v[0] : v[i];
-                const struct variable *s = v[0]->type == NUMERIC ? v[i] : v[0];
+                const struct variable *n = var_is_numeric (v[0]) ? v[0] : v[i];
+                const struct variable *s = var_is_numeric (v[0]) ? v[i] : v[0];
                 msg (SE, _("Cannot mix numeric variables (e.g. %s) and "
                            "string variables (e.g. %s) within a single list."),
-                     n->name, s->name);
+                     var_get_name (n), var_get_name (s));
                 goto done;
               }
 
-          if (v[0]->type == NUMERIC) 
+          if (var_is_numeric (v[0])) 
             {
               mv_init (&mv, 0);
-              while (!lex_match (')'))
+              while (!lex_match (lexer, ')'))
                 {
+                  enum fmt_type type = var_get_print_format (v[0])->type;
                   double x, y;
                   bool ok;
 
-                  if (!parse_num_range (&x, &y, &v[0]->print))
+                  if (!parse_num_range (lexer, &x, &y, &type))
                     goto done;
                   
                   ok = (x == y
@@ -92,60 +96,62 @@ cmd_missing_values (void)
                   if (!ok)
                     deferred_errors = true;
 
-                  lex_match (',');
+                  lex_match (lexer, ',');
                 }
             }
           else 
             {
+             struct string value;
+
               mv_init (&mv, MAX_SHORT_STRING);
-              while (!lex_match (')')) 
+              while (!lex_match (lexer, ')')) 
                 {
-                  if (!lex_force_string ())
+                  if (!lex_force_string (lexer))
                     {
                       deferred_errors = true;
                       break;
                     }
+                 
+                 ds_init_string (&value, lex_tokstr (lexer));
 
-                  if (ds_length (&tokstr) > MAX_SHORT_STRING) 
+                  if (ds_length (&value) > MAX_SHORT_STRING) 
                     {
-                      ds_truncate (&tokstr, MAX_SHORT_STRING);
+                      ds_truncate (&value, MAX_SHORT_STRING);
                       msg (SE, _("Truncating missing value to short string "
                                  "length (%d characters)."),
                            MAX_SHORT_STRING);
                     }
                   else
-                    ds_rpad (&tokstr, MAX_SHORT_STRING, ' ');
+                    ds_rpad (&value, MAX_SHORT_STRING, ' ');
 
-                  if (!mv_add_str (&mv, ds_data (&tokstr)))
+                  if (!mv_add_str (&mv, ds_data (&value)))
                     deferred_errors = true;
+                 ds_destroy (&value);
 
-                  lex_get ();
-                  lex_match (',');
+                  lex_get (lexer);
+                  lex_match (lexer, ',');
                 }
             }
           
           for (i = 0; i < nv; i++) 
             {
-              if (!mv_is_resizable (&mv, v[i]->width)) 
+              if (mv_is_resizable (&mv, var_get_width (v[i]))) 
+                var_set_missing_values (v[i], &mv);
+              else 
                 {
                   msg (SE, _("Missing values provided are too long to assign "
                              "to variable of width %d."),
-                       v[i]->width);
+                       var_get_width (v[i]));
                   deferred_errors = true;
                 }
-              else 
-                {
-                  mv_copy (&v[i]->miss, &mv);
-                  mv_resize (&v[i]->miss, v[i]->width);
-                }
             }
         }
 
-      lex_match ('/');
+      lex_match (lexer, '/');
       free (v);
       v = NULL;
     }
-  retval = lex_end_of_command ();
+  retval = lex_end_of_command (lexer);
   
  done:
   free (v);