Delete CORRELATIONS skeletal parser.

This code didn't do anything useful, it just parsed syntax.  We can
resurrect it when someone wants to implement CORRELATIONS later.

diff --git a/src/language/stats/automake.mk b/src/language/stats/automake.mk
index cb65e087d26ddda189ea239441620351e6197d31..5aee445c4b29818f0995adb991f30ad3e9ea70fc 100644 (file)
--- a/src/language/stats/automake.mk
+++ b/src/language/stats/automake.mk
@@ -3,7 +3,6 @@
 AM_CPPFLAGS += -I$(top_srcdir)/src/language/stats
 
 src_language_stats_built_sources = \
-       src/language/stats/correlations.c \
        src/language/stats/crosstabs.c \
        src/language/stats/examine.c \
        src/language/stats/frequencies.c \

diff --git a/src/language/stats/correlations.q b/src/language/stats/correlations.q
deleted file mode 100644 (file)
index 5d54309..0000000
--- a/src/language/stats/correlations.q
+++ /dev/null
@@ -1,179 +0,0 @@
-/* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000 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
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include <stdlib.h>
-
-#include <data/dictionary.h>
-#include <data/file-handle-def.h>
-#include <data/procedure.h>
-#include <data/variable.h>
-#include <language/command.h>
-#include <language/data-io/file-handle.h>
-#include <language/lexer/lexer.h>
-#include <language/lexer/variable-parser.h>
-#include <libpspp/compiler.h>
-
-#include "xalloc.h"
-
-/* (headers) */
-
-struct cor_set
-  {
-    struct cor_set *next;
-    const struct variable **v1, **v2;
-    size_t nv1, nv2;
-  };
-
-static struct cor_set *cor_list, *cor_last;
-
-static struct file_handle *matrix_file;
-
-static void free_correlations_state (void);
-static int internal_cmd_correlations (struct lexer *lexer, struct dataset *ds);
-
-int
-cmd_correlations (struct lexer *lexer, struct dataset *ds)
-{
-  int result = internal_cmd_correlations (lexer, ds);
-  free_correlations_state ();
-  return result;
-}
-
-/* (specification)
-   "CORRELATIONS" (cor_):
-     *variables=custom;
-     missing=miss:!pairwise/listwise,
-            inc:include/exclude;
-     +print=tail:!twotail/onetail,
-           sig:!sig/nosig;
-     +format=fmt:!matrix/serial;
-     +matrix=custom;
-     +statistics[st_]=descriptives,xprod,all.
-*/
-/* (declarations) */
-/* (functions) */
-
-int
-internal_cmd_correlations (struct lexer *lexer, struct dataset *ds)
-{
-  struct cmd_correlations cmd;
-
-  cor_list = cor_last = NULL;
-  matrix_file = NULL;
-
-  if (!parse_correlations (lexer, ds, &cmd, NULL))
-    {
-      fh_unref (matrix_file);
-      return CMD_FAILURE;
-    }
-
-  free_correlations (&cmd);
-  fh_unref (matrix_file);
-
-  return CMD_SUCCESS;
-}
-
-static int
-cor_custom_variables (struct lexer *lexer, struct dataset *ds, struct cmd_correlations *cmd UNUSED, void *aux UNUSED)
-{
-  const struct variable **v1, **v2;
-  size_t nv1, nv2;
-  struct cor_set *cor;
-
-  /* Ensure that this is a VARIABLES subcommand. */
-  if (!lex_match_id (lexer, "VARIABLES")
-      && (lex_token (lexer) != T_ID || dict_lookup_var (dataset_dict (ds), lex_tokid (lexer)) != NULL)
-      && lex_token (lexer) != T_ALL)
-    return 2;
-  lex_match (lexer, '=');
-
-  if (!parse_variables_const (lexer, dataset_dict (ds), &v1, &nv1,
-                       PV_NO_DUPLICATE | PV_NUMERIC))
-    return 0;
-
-  if (lex_match (lexer, T_WITH))
-    {
-      if (!parse_variables_const (lexer, dataset_dict (ds), &v2, &nv2,
-                           PV_NO_DUPLICATE | PV_NUMERIC))
-       {
-         free (v1);
-         return 0;
-       }
-    }
-  else
-    {
-      nv2 = nv1;
-      v2 = v1;
-    }
-
-  cor = xmalloc (sizeof *cor);
-  cor->next = NULL;
-  cor->v1 = v1;
-  cor->v2 = v2;
-  cor->nv1 = nv1;
-  cor->nv2 = nv2;
-  if (cor_list)
-    cor_last = cor_last->next = cor;
-  else
-    cor_list = cor_last = cor;
-
-  return 1;
-}
-
-static int
-cor_custom_matrix (struct lexer *lexer, struct dataset *ds UNUSED, struct cmd_correlations *cmd UNUSED, void *aux UNUSED)
-{
-  if (!lex_force_match (lexer, '('))
-    return 0;
-
-  if (lex_match (lexer, '*'))
-    matrix_file = NULL;
-  else
-    {
-      fh_unref (matrix_file);
-      matrix_file = fh_parse (lexer, FH_REF_FILE);
-      if (matrix_file == NULL)
-        return 0;
-    }
-
-  if (!lex_force_match (lexer, ')'))
-    return 0;
-
-  return 1;
-}
-
-static void
-free_correlations_state (void)
-{
-  struct cor_set *cor, *next;
-
-  for (cor = cor_list; cor != NULL; cor = next)
-    {
-      next = cor->next;
-      if (cor->v1 != cor->v2)
-       free (cor->v2);
-      free (cor->v1);
-      free (cor);
-    }
-}
-
-/*
-  Local Variables:
-  mode: c
-  End:
-*/