diff options
Diffstat (limited to 'cmd.h')
| -rw-r--r-- | cmd.h | 212 |
1 files changed, 212 insertions, 0 deletions
@@ -0,0 +1,212 @@ +/* + * cmd.h - definitions for command parser + */ + +/* + * Copyright (C) 2004, 2010 the Free Software Foundation, Inc. + * + * This file is part of GAWK, the GNU implementation of the + * AWK Programming Language. + * + * GAWK 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. + * + * GAWK 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#ifdef HAVE_LIBREADLINE +#include <readline/readline.h> +#include <readline/history.h> +extern char **command_completion(const char *text, int start, int end); +extern void initialize_pager(FILE *fp); /* debug.c */ +extern NODE **get_varlist(void); +extern char **get_parmlist(void); +#else +#define initialize_pager(x) /* nothing */ +#define add_history(x) /* nothing */ +#endif + +extern int gprintf(FILE *fp, const char *format, ...); +extern jmp_buf pager_quit_tag; + +extern int output_is_tty; +extern int input_fd; +extern int input_from_tty; +extern FILE *out_fp; +extern char *dPrompt; +extern char *commands_Prompt; +extern char *eval_Prompt; +extern char *dgawk_Prompt; + +enum argtype { + D_illegal, + + /* commands */ + D_backtrace, + D_break, + D_clear, + D_commands, + D_condition, + D_continue, + D_delete, + D_disable, + D_display, + D_down, + D_dump, + D_enable, + D_end, + D_eval, + D_finish, + D_frame, + D_help, + D_ignore, + D_info, + D_list, + D_next, + D_nexti, + D_option, + D_print, + D_printf, + D_quit, + D_return, + D_run, + D_save, + D_set, + D_silent, + D_source, + D_step, + D_stepi, + D_tbreak, + D_trace, + D_undisplay, + D_until, + D_unwatch, + D_up, + D_watch, + + /* arguments */ + D_argument, + D_int, + D_string, + D_variable, + D_node, + D_field, + D_array, + D_subscript, + D_func, + D_range +}; + +/* non-number arguments to commands */ + +enum nametypeval { + A_ARGS = 1, + A_BREAK, + A_DEL, + A_DISPLAY, + A_FRAME, + A_FUNCTIONS, + A_LOCALS, + A_ONCE, + A_SOURCE, + A_SOURCES, + A_TRACE_ON, + A_TRACE_OFF, + A_VARIABLES, + A_WATCH +}; + +typedef struct cmd_argument { + struct cmd_argument *next; + enum argtype type; + union { + long lval; + char *sval; + NODE *nodeval; + } value; + +#define a_int value.lval /* type = D_int or D_range */ +#define a_argument value.lval /* type = D_argument */ +#define a_string value.sval /* type = D_string, D_array, D_subscript or D_variable */ +#define a_node value.nodeval /* type = D_node, D_field or D_func */ + + int a_count; /* subscript count for D_subscript and D_array */ +} CMDARG; + +typedef int (*Func_cmd)(CMDARG *, int); + +struct cmdtoken { + const char *name; + char *abbrvn; /* abbreviation */ + enum argtype type; + int class; + Func_cmd cf_ptr; + const char *help_txt; +}; + +/* command.c */ +extern void free_cmdarg(CMDARG *list); +extern Func_cmd get_command(int ctype); +extern const char *get_command_name(int ctype); + +/* debug.c */ +extern void d_error(const char *mesg, ...); + +/* command.c */ +extern int find_option(char *name); +extern void option_help(void); +extern char *(*read_a_line)(const char *prompt); +extern char *read_commands_string(const char *prompt); +extern int in_cmd_src(const char *); +extern int get_eof_status(void); +extern void push_cmd_src(int fd, int istty, char * (*readfunc)(const char *), int (*closefunc)(int), int cmd, int eofstatus); +extern int pop_cmd_src(void); +extern int has_break_or_watch_point(int *pnum, int any); +extern int do_list(CMDARG *arg, int cmd); +extern int do_info(CMDARG *arg, int cmd); +extern int do_print_var(CMDARG *arg, int cmd); +extern int do_backtrace(CMDARG *arg, int cmd); +extern int do_breakpoint(CMDARG *arg, int cmd); +extern int do_tmp_breakpoint(CMDARG *arg, int cmd); +extern int do_delete_breakpoint(CMDARG *arg, int cmd); +extern int do_enable_breakpoint(CMDARG *arg, int cmd); +extern int do_disable_breakpoint(CMDARG *arg, int cmd) ; +extern int do_ignore_breakpoint(CMDARG *arg, int cmd) ; +extern int do_run(CMDARG *arg, int cmd); +extern int do_quit(CMDARG *arg, int cmd); +extern int do_continue(CMDARG *arg, int cmd); +extern int do_step(CMDARG *arg, int cmd) ; +extern int do_stepi(CMDARG *arg, int cmd) ; +extern int do_next(CMDARG *arg, int cmd); +extern int do_nexti(CMDARG *arg, int cmd); +extern int do_clear(CMDARG *arg, int cmd); +extern int do_finish(CMDARG *arg, int cmd) ; +extern int do_help(CMDARG *arg, int cmd) ; +extern int do_up(CMDARG *arg, int cmd); +extern int do_down(CMDARG *arg, int cmd); +extern int do_frame(CMDARG *arg, int cmd); +extern int do_until(CMDARG *arg, int cmd); +extern int do_set_var(CMDARG *arg, int cmd); +extern int do_return(CMDARG *arg, int cmd); +extern int do_display(CMDARG *arg, int cmd); +extern int do_undisplay(CMDARG *arg, int cmd); +extern int do_watch(CMDARG *arg, int cmd); +extern int do_unwatch(CMDARG *arg, int cmd); +extern int do_dump_instructions(CMDARG *arg, int cmd); +extern int do_trace_instruction(CMDARG *arg, int cmd); +extern int do_option(CMDARG *arg, int cmd); +extern int do_commands(CMDARG *arg, int cmd); +extern int do_print_f(CMDARG *arg, int cmd); +extern int do_source(CMDARG *arg, int cmd); +extern int do_save(CMDARG *arg, int cmd); +extern int do_eval(CMDARG *arg, int cmd); +extern int do_condition(CMDARG *arg, int cmd); |