Added new files resulting from directory restructuring.

[pspp-builds.git] / src / language / command.h

diff --git a/src/language/command.h b/src/language/command.h
new file mode 100644 (file)
index 0000000..ba14c0b
--- /dev/null
+++ b/src/language/command.h
@@ -0,0 +1,68 @@
+/* PSPP - computes sample statistics.
+   Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+   Written by Ben Pfaff <blp@gnu.org>.
+
+   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 2 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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
+
+#if !command_h
+#define command_h 1
+
+/* Current program state. */
+enum
+  {
+    STATE_INIT,                        /* Initialization state. */
+    STATE_INPUT,               /* Input state. */
+    STATE_TRANS,               /* Transformation state. */
+    STATE_PROC,                        /* Procedure state. */
+    STATE_ERROR                        /* Invalid state transition. */
+  };
+
+/* Command return values. */
+enum
+  {
+    /* Successful return values. */
+    CMD_SUCCESS = 0x1000,       /* Successfully parsed and executed. */
+    CMD_EOF,                    /* Requested exit. */
+
+    /* Various kinds of failures, in increasing order of severity. */
+    CMD_TRAILING_GARBAGE,      /* Followed by garbage. */
+    CMD_PART_SUCCESS,          /* Fully executed up to error. */
+    CMD_PART_SUCCESS_MAYBE,    /* May have been partially executed. */
+    CMD_FAILURE,                /* Not executed at all. */
+    CMD_CASCADING_FAILURE       /* Serious error: don't continue. */
+  };
+
+extern int pgm_state;
+
+char *pspp_completion_function (const char *text,   int state);
+
+int cmd_parse (void);
+
+/* Prototype all the command functions. */
+#define DEFCMD(NAME, T1, T2, T3, T4, FUNC)     \
+       int FUNC (void);
+#define SPCCMD(NAME, T1, T2, T3, T4, FUNC)     \
+       int FUNC (void);
+#define DBGCMD(NAME, T1, T2, T3, T4, FUNC)     \
+       int FUNC (void);
+#define UNIMPL(NAME, T1, T2, T3, T4, DESC)
+#include "command.def"
+#undef DEFCMD
+#undef SPCCMD
+#undef UNIMPL
+#undef DBGCMD
+
+#endif /* !command_h */