/* $Id: shell.h,v 1.21 2003/09/28 09:05:15 jmuelmen Exp $ */

/* This contains the headers for all the shell functions */

#ifndef _MOD_SHELL_INC_
#define _MOD_SHELL_INC_

#include "parse.h"
#include <time.h>

/*
 * Types used in various parts of the shell: 
 */

/* this is disgusting.  It's an identifier.  It can be a function
 * identifier or a variable identifier. */
#define IDENT_NAME_LEN 1000
typedef struct {
     char name[IDENT_NAME_LEN];
     enum { func, var } type;
     union { 
	  func_t func;
	  value_t val;
     } cont;
     short int is_declared;
} ident_t;

/*
 * Function declarations 
 */

void *shell (void *);

/* parse buffer */
int parsebuf_buf (parse_action_t *);
parse_action_t *parsebuf_get_idx (int);
int parsebuf_clear ();
int parsebuf_process ();
void parsebuf_dump ();
void parsebuf_init ();
void parsebuf_save_pos ();
void parsebuf_clear_after_pos ();

/* identifiers */
int ident_add (ident_t *);
ident_t *ident_get (const char *);
ident_t *ident_get_idx (int);
int ident_index (const char *);
ident_t *ident_create (const char *);
void ident_destroy (ident_t *);
void ident_dump ();
void ident_save_pos ();
void ident_clear_after_pos ();

/* register all the (builtin) functions */
void func_register ();

void print_help ();

/* convert string to time */
void atot (time_t *, const char *);

#define SHELL_DEBUG_LEVEL 1000

#ifdef SHELL_DEBUG_LEVEL
/*  #define SHELL_DEBUG(n, args...) if (SHELL_DEBUG_LEVEL > (n)) \ */
/*                                        fprintf(stderr, "shell: "); \ */
/*                                        fprintf(stderr, (args)); \ */
/*                                        fprintf(stderr, "\n"); */
#endif /* SHELL_DEBUG_LEVEL */
#endif /* _MOD_SHELL_INC_ */