216 lines
5.5 KiB
C
216 lines
5.5 KiB
C
/*
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* cmd.h - definitions for command parser
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*/
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/*
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* Copyright (C) 2004, 2010, 2011, 2013, 2014, 2017, 2021,
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* the Free Software Foundation, Inc.
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*
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* This file is part of GAWK, the GNU implementation of the
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* AWK Programming Language.
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*
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* GAWK is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GAWK is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifdef HAVE_LIBREADLINE
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#include <readline/readline.h>
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#include <readline/history.h>
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extern char **command_completion(const char *text, int start, int end);
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extern void initialize_pager(FILE *fp); /* debug.c */
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extern NODE *get_function(void);
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#else
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#define initialize_pager(x) /* nothing */
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#define add_history(x) /* nothing */
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#endif
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extern int gprintf(FILE *fp, const char *format, ...);
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extern jmp_buf pager_quit_tag;
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extern int pager_quit_tag_valid;
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extern bool output_is_tty;
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extern int input_fd;
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extern bool input_from_tty;
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extern FILE *out_fp;
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extern const char *dbg_prompt;
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extern const char *commands_prompt;
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extern const char *eval_prompt;
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extern const char *dgawk_prompt;
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enum argtype {
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D_illegal,
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/* commands */
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D_backtrace,
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D_break,
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D_clear,
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D_commands,
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D_condition,
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D_continue,
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D_delete,
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D_disable,
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D_display,
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D_down,
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D_dump,
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D_enable,
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D_end,
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D_eval,
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D_finish,
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D_frame,
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D_help,
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D_ignore,
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D_info,
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D_list,
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D_next,
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D_nexti,
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D_option,
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D_print,
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D_printf,
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D_quit,
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D_return,
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D_run,
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D_save,
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D_set,
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D_silent,
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D_source,
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D_step,
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D_stepi,
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D_tbreak,
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D_trace,
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D_undisplay,
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D_until,
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D_unwatch,
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D_up,
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D_watch,
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/* arguments */
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D_argument,
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D_int,
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D_string,
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D_variable,
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D_node,
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D_field,
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D_array,
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D_subscript,
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D_func,
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D_range
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};
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/* non-number arguments to commands */
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enum nametypeval {
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A_NONE = 0,
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A_ARGS,
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A_BREAK,
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A_DEL,
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A_DISPLAY,
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A_FRAME,
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A_FUNCTIONS,
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A_LOCALS,
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A_ONCE,
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A_SOURCE,
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A_SOURCES,
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A_TRACE_ON,
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A_TRACE_OFF,
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A_VARIABLES,
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A_WATCH
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};
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typedef struct cmd_argument {
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struct cmd_argument *next;
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enum argtype type;
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union {
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long lval;
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char *sval;
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NODE *nodeval;
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} value;
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#define a_int value.lval /* type = D_int or D_range */
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#define a_argument value.lval /* type = D_argument */
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#define a_string value.sval /* type = D_string, D_array, D_subscript or D_variable */
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#define a_node value.nodeval /* type = D_node, D_field or D_func */
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int a_count; /* subscript count for D_subscript and D_array */
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} CMDARG;
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typedef int (*Func_cmd)(CMDARG *, int);
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struct cmdtoken {
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const char *name;
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const char *abbrvn; /* abbreviation */
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enum argtype type;
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int lex_class;
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Func_cmd cf_ptr;
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const char *help_txt;
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};
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/* command.c */
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extern void free_cmdarg(CMDARG *list);
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extern Func_cmd get_command(int ctype);
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extern const char *get_command_name(int ctype);
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/* debug.c */
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extern void d_error(const char *mesg, ...);
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/* command.c */
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extern int find_option(char *name);
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extern void option_help(void);
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extern char *(*read_a_line)(const char *prompt);
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extern char *read_commands_string(const char *prompt);
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extern int in_cmd_src(const char *);
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extern int get_eof_status(void);
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extern void push_cmd_src(int fd, bool istty, char * (*readfunc)(const char *),
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int (*closefunc)(int), int cmd, int eofstatus);
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extern int pop_cmd_src(void);
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extern int has_break_or_watch_point(int *pnum, bool any);
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extern int do_list(CMDARG *arg, int cmd);
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extern int do_info(CMDARG *arg, int cmd);
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extern int do_print_var(CMDARG *arg, int cmd);
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extern int do_backtrace(CMDARG *arg, int cmd);
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extern int do_breakpoint(CMDARG *arg, int cmd);
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extern int do_tmp_breakpoint(CMDARG *arg, int cmd);
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extern int do_delete_breakpoint(CMDARG *arg, int cmd);
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extern int do_enable_breakpoint(CMDARG *arg, int cmd);
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extern int do_disable_breakpoint(CMDARG *arg, int cmd) ;
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extern int do_ignore_breakpoint(CMDARG *arg, int cmd) ;
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extern int do_run(CMDARG *arg, int cmd);
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extern int do_quit(CMDARG *arg, int cmd);
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extern int do_continue(CMDARG *arg, int cmd);
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extern int do_step(CMDARG *arg, int cmd) ;
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extern int do_stepi(CMDARG *arg, int cmd) ;
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extern int do_next(CMDARG *arg, int cmd);
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extern int do_nexti(CMDARG *arg, int cmd);
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extern int do_clear(CMDARG *arg, int cmd);
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extern int do_finish(CMDARG *arg, int cmd) ;
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extern int do_help(CMDARG *arg, int cmd) ;
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extern int do_up(CMDARG *arg, int cmd);
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extern int do_down(CMDARG *arg, int cmd);
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extern int do_frame(CMDARG *arg, int cmd);
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extern int do_until(CMDARG *arg, int cmd);
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extern int do_set_var(CMDARG *arg, int cmd);
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extern int do_return(CMDARG *arg, int cmd);
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extern int do_display(CMDARG *arg, int cmd);
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extern int do_undisplay(CMDARG *arg, int cmd);
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extern int do_watch(CMDARG *arg, int cmd);
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extern int do_unwatch(CMDARG *arg, int cmd);
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extern int do_dump_instructions(CMDARG *arg, int cmd);
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extern int do_trace_instruction(CMDARG *arg, int cmd);
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extern int do_option(CMDARG *arg, int cmd);
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extern int do_commands(CMDARG *arg, int cmd);
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extern int do_print_f(CMDARG *arg, int cmd);
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extern int do_source(CMDARG *arg, int cmd);
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extern int do_save(CMDARG *arg, int cmd);
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extern int do_eval(CMDARG *arg, int cmd);
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extern int do_condition(CMDARG *arg, int cmd);
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