Move all command implementations into a single 'commands' directory.

[pspp] / src / language / commands / fail.c

diff --git a/src/language/commands/fail.c b/src/language/commands/fail.c
new file mode 100644 (file)
index 0000000..f90b196
--- /dev/null
+++ b/src/language/commands/fail.c
@@ -0,0 +1,47 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2007, 2009, 2010, 2011 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/case.h"
+#include "data/dataset.h"
+#include "data/transformations.h"
+#include "language/command.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/message.h"
+\f
+/* A transformation which is guaranteed to fail. */
+
+static enum trns_result
+trns_fail (void *x UNUSED, struct ccase **c UNUSED,
+          casenumber n UNUSED)
+{
+  msg (SE, "DEBUG XFORM FAIL transformation executed");
+  return TRNS_ERROR;
+}
+
+int
+cmd_debug_xform_fail (struct lexer *lexer UNUSED, struct dataset *ds)
+{
+  static const struct trns_class fail_trns_class = {
+    .name = "DEBUG XFORM FAIL",
+    .execute = trns_fail
+  };
+  add_transformation (ds, &fail_trns_class, NULL);
+  return CMD_SUCCESS;
+}