/* 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
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
-#if !command_h
-#define command_h 1
+#ifndef 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. */
- };
+#include <stdbool.h>
/* Command return values. */
-enum
+enum cmd_result
{
/* Successful return values. */
- CMD_SUCCESS = 0x1000, /* Successfully parsed and executed. */
- CMD_EOF, /* Requested exit. */
+ CMD_SUCCESS = 1, /* Successfully parsed and executed. */
+ CMD_EOF, /* No commands left. */
+ CMD_QUIT, /* Requested exit. */
+ CMD_END_SUBLOOP, /* End of INPUT PROGRAM or FILE TYPE. */
- /* 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. */
+ /* Various kinds of failures. */
CMD_FAILURE, /* Not executed at all. */
+ CMD_NOT_IMPLEMENTED, /* Command not implemented. */
CMD_CASCADING_FAILURE /* Serious error: don't continue. */
};
-extern int pgm_state;
+bool cmd_result_is_success (enum cmd_result);
+bool cmd_result_is_failure (enum cmd_result);
+
+/* Command processing state. */
+enum cmd_state
+ {
+ CMD_STATE_INITIAL, /* No active file yet defined. */
+ CMD_STATE_DATA, /* Active file has been defined. */
+ CMD_STATE_INPUT_PROGRAM, /* Inside INPUT PROGRAM. */
+ CMD_STATE_FILE_TYPE /* Inside FILE TYPE. */
+ };
-char *pspp_completion_function (const char *text, int state);
+#if HAVE_READLINE
+char **pspp_attempted_completion_function (const char *, int start, int end);
+#endif
-int cmd_parse (void);
+enum cmd_result cmd_parse (enum cmd_state);
/* 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)
+#define DEF_CMD(STATES, FLAGS, NAME, FUNCTION) int FUNCTION (void);
+#define UNIMPL_CMD(NAME, DESCRIPTION)
#include "command.def"
-#undef DEFCMD
-#undef SPCCMD
-#undef UNIMPL
-#undef DBGCMD
+#undef DEF_CMD
+#undef UNIMPL_CMD
-#endif /* !command_h */
+#endif /* command.h */