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readline:

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2000-07-09  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        * Import of readline 4.1.

        Locally modified files: Makefile.in, configure.in, configure
        (regenerated), config.h.in (regenerated), readline.h, rltty.c,
 	shell.c signals.c.

        Locally added files: acconfig.h, config/*, config.h.bot,
        cross-build/*, doc/inc-hit.texinfo.

        New files: USAGE, rlprivate.h, rlshell.h, xmalloc.h.
examples:
2000-07-09  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        * Import of readline 4.1.

        New files: excallback.c, rlfe.c.
doc:
2000-07-09  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        * Import of readline 4.1.

        Regenerated inc-hist.texinfo as copy of hsuser.texinfo, for
        inclusion in the gdb manual.

        New file: rluserman.texinfo
This commit is contained in:
Elena Zannoni
2000-07-09 17:20:00 +00:00
parent d0352a18a5
commit 1b17e76665
92 changed files with 3656 additions and 26798 deletions
Download Patch File Download Diff File Expand all files Collapse all files

207
readline/readline.c
View File

@@ -8,7 +8,7 @@
The GNU Readline Library 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 1, or
as published by the Free Software Foundation; either version 2, or
(at your option) any later version.
The GNU Readline Library is distributed in the hope that it will be
@@ -19,7 +19,7 @@
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
675 Mass Ave, Cambridge, MA 02139, USA. */
59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
@@ -47,7 +47,6 @@
# include <locale.h>
#endif
#include <signal.h>
#include <stdio.h>
#include "posixjmp.h"
@@ -63,119 +62,27 @@
#include "readline.h"
#include "history.h"
#include "rlprivate.h"
#include "rlshell.h"
#include "xmalloc.h"
#ifndef RL_LIBRARY_VERSION
# define RL_LIBRARY_VERSION "4.0"
# define RL_LIBRARY_VERSION "4.1"
#endif
/* Evaluates its arguments multiple times. */
#define SWAP(s, e) do { int t; t = s; s = e; e = t; } while (0)
/* NOTE: Functions and variables prefixed with `_rl_' are
pseudo-global: they are global so they can be shared
between files in the readline library, but are not intended
to be visible to readline callers. */
/* Variables and functions imported from terminal.c */
extern int _rl_init_terminal_io ();
extern void _rl_enable_meta_key ();
#ifdef _MINIX
extern void _rl_output_character_function ();
#else
extern int _rl_output_character_function ();
#endif
extern int _rl_enable_meta;
extern int _rl_term_autowrap;
extern int screenwidth, screenheight, screenchars;
/* Variables and functions imported from rltty.c. */
extern void rl_prep_terminal (), rl_deprep_terminal ();
extern void rltty_set_default_bindings ();
/* Functions imported from util.c. */
extern void _rl_abort_internal ();
extern void rl_extend_line_buffer ();
extern int alphabetic ();
/* Functions imported from bind.c. */
extern void _rl_bind_if_unbound ();
/* Functions imported from input.c. */
extern int _rl_any_typein ();
extern void _rl_insert_typein ();
extern int rl_read_key ();
/* Functions imported from nls.c */
extern int _rl_init_eightbit ();
/* Functions imported from shell.c */
extern char *get_env_value ();
/* External redisplay functions and variables from display.c */
extern void _rl_move_vert ();
extern void _rl_update_final ();
extern void _rl_clear_to_eol ();
extern void _rl_clear_screen ();
extern void _rl_erase_entire_line ();
extern void _rl_erase_at_end_of_line ();
extern void _rl_move_cursor_relative ();
extern int _rl_vis_botlin;
extern int _rl_last_c_pos;
extern int _rl_horizontal_scroll_mode;
extern int rl_display_fixed;
extern int _rl_suppress_redisplay;
extern char *rl_display_prompt;
/* Variables imported from complete.c. */
extern char *rl_completer_word_break_characters;
extern char *rl_basic_word_break_characters;
extern int rl_completion_query_items;
extern int rl_complete_with_tilde_expansion;
/* Variables and functions from macro.c. */
extern void _rl_add_macro_char ();
extern void _rl_with_macro_input ();
extern int _rl_next_macro_key ();
extern int _rl_defining_kbd_macro;
#if defined (VI_MODE)
/* Functions imported from vi_mode.c. */
extern void _rl_vi_set_last ();
extern void _rl_vi_reset_last ();
extern void _rl_vi_done_inserting ();
extern int _rl_vi_textmod_command ();
extern void _rl_vi_initialize_line ();
#endif /* VI_MODE */
extern UNDO_LIST *rl_undo_list;
extern int _rl_doing_an_undo;
/* Forward declarations used in this file. */
void _rl_free_history_entry ();
void _rl_free_history_entry __P((HIST_ENTRY *));
int _rl_dispatch ();
int _rl_init_argument ();
static char *readline_internal __P((void));
static void readline_initialize_everything __P((void));
static void start_using_history __P((void));
static void bind_arrow_keys __P((void));
static int rl_change_case __P((int, int));
static char *readline_internal ();
static void readline_initialize_everything ();
static void start_using_history ();
static void bind_arrow_keys ();
#if !defined (__GO32__) || defined (HAVE_TERMIOS_H)
static void readline_default_bindings ();
#endif /* !__GO32__ */
#if defined (__GO32__)
# include <go32.h>
# include <pc.h>
# if !defined (__DJGPP__)
# undef HANDLE_SIGNALS
# endif /* !__DJGPP__ */
#endif /* __GO32__ */
extern char *xmalloc (), *xrealloc ();
static void readline_default_bindings __P((void));
/* **************************************************************** */
/* */
@@ -185,6 +92,8 @@ extern char *xmalloc (), *xrealloc ();
char *rl_library_version = RL_LIBRARY_VERSION;
int rl_gnu_readline_p = 1;
/* A pointer to the keymap that is currently in use.
By default, it is the standard emacs keymap. */
Keymap _rl_keymap = emacs_standard_keymap;
@@ -247,6 +156,10 @@ int readline_echoing_p = 1;
char *rl_prompt;
int rl_visible_prompt_length = 0;
/* Set to non-zero by calling application if it has already printed rl_prompt
and does not want readline to do it the first time. */
int rl_already_prompted = 0;
/* The number of characters read in order to type this complete command. */
int rl_key_sequence_length = 0;
@@ -292,6 +205,10 @@ Keymap rl_executing_keymap;
/* Non-zero means to erase entire line, including prompt, on empty input lines. */
int rl_erase_empty_line = 0;
/* Non-zero means to read only this many characters rather than up to a
character bound to accept-line. */
int rl_num_chars_to_read;
/* Line buffer and maintenence. */
char *rl_line_buffer = (char *)NULL;
int rl_line_buffer_len = 0;
@@ -371,6 +288,8 @@ readline (prompt)
STATIC_CALLBACK void
readline_internal_setup ()
{
char *nprompt;
_rl_in_stream = rl_instream;
_rl_out_stream = rl_outstream;
@@ -379,15 +298,20 @@ readline_internal_setup ()
if (readline_echoing_p == 0)
{
if (rl_prompt)
if (rl_prompt && rl_already_prompted == 0)
{
fprintf (_rl_out_stream, "%s", rl_prompt);
nprompt = _rl_strip_prompt (rl_prompt);
fprintf (_rl_out_stream, "%s", nprompt);
fflush (_rl_out_stream);
free (nprompt);
}
}
else
{
rl_on_new_line ();
if (rl_prompt && rl_already_prompted)
rl_on_new_line_with_prompt ();
else
rl_on_new_line ();
(*rl_redisplay_function) ();
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
@@ -479,7 +403,7 @@ readline_internal_charloop ()
}
lastc = c;
_rl_dispatch (c, _rl_keymap);
_rl_dispatch ((unsigned char)c, _rl_keymap);
/* If there was no change in _rl_last_command_was_kill, then no kill
has taken place. Note that if input is pending we are reading
@@ -494,6 +418,12 @@ readline_internal_charloop ()
rl_vi_check ();
#endif /* VI_MODE */
if (rl_num_chars_to_read && rl_end >= rl_num_chars_to_read)
{
(*rl_redisplay_function) ();
rl_newline (1, '\n');
}
if (rl_done == 0)
(*rl_redisplay_function) ();
@@ -691,6 +621,7 @@ rl_initialize ()
return 0;
}
#if 0
#if defined (__EMX__)
static void
_emx_build_environ ()
@@ -714,14 +645,17 @@ _emx_build_environ ()
*tp = 0;
}
#endif /* __EMX__ */
#endif
/* Initialize the entire state of the world. */
static void
readline_initialize_everything ()
{
#if 0
#if defined (__EMX__)
if (environ == 0)
_emx_build_environ ();
#endif
#endif
/* Find out if we are running in Emacs. */
@@ -747,10 +681,8 @@ readline_initialize_everything ()
/* Initialize the terminal interface. */
_rl_init_terminal_io ((char *)NULL);
#if !defined (__GO32__) || defined (HAVE_TERMIOS_H)
/* Bind tty characters to readline functions. */
readline_default_bindings ();
#endif /* !__GO32__ || HAVE_TERMIOS_H */
/* Initialize the function names. */
rl_initialize_funmap ();
@@ -799,6 +731,17 @@ bind_arrow_keys_internal ()
{
Function *f;
#if defined (__MSDOS__)
f = rl_function_of_keyseq ("\033[0A", _rl_keymap, (int *)NULL);
if (!f || f == rl_do_lowercase_version)
{
_rl_bind_if_unbound ("\033[0A", rl_get_previous_history);
_rl_bind_if_unbound ("\033[0B", rl_backward);
_rl_bind_if_unbound ("\033[0C", rl_forward);
_rl_bind_if_unbound ("\033[0D", rl_get_next_history);
}
#endif
f = rl_function_of_keyseq ("\033[A", _rl_keymap, (int *)NULL);
if (!f || f == rl_do_lowercase_version)
{
@@ -1123,6 +1066,10 @@ rl_forward (count, key)
else
rl_point = end;
}
if (rl_end < 0)
rl_end = 0;
return 0;
}
@@ -1257,35 +1204,14 @@ int
rl_refresh_line (ignore1, ignore2)
int ignore1, ignore2;
{
int curr_line, nleft;
int curr_line;
/* Find out whether or not there might be invisible characters in the
editing buffer. */
if (rl_display_prompt == rl_prompt)
nleft = _rl_last_c_pos - screenwidth - rl_visible_prompt_length;
else
nleft = _rl_last_c_pos - screenwidth;
if (nleft > 0)
curr_line = 1 + nleft / screenwidth;
else
curr_line = 0;
curr_line = _rl_current_display_line ();
_rl_move_vert (curr_line);
_rl_move_cursor_relative (0, the_line); /* XXX is this right */
#if defined (__GO32__) && !defined (__DJGPP__)
{
int row, col, width, row_start;
ScreenGetCursor (&row, &col);
width = ScreenCols ();
row_start = ScreenPrimary + (row * width);
memset (row_start + col, 0, (width - col) * 2);
}
#else /* !__GO32__ || __DJGPP__ */
_rl_clear_to_eol (0); /* arg of 0 means to not use spaces */
#endif /* !__GO32__ || __DJGPP__ */
rl_forced_update_display ();
rl_display_fixed = 1;
@@ -1423,7 +1349,14 @@ rl_quoted_insert (count, key)
{
int c;
#if defined (HANDLE_SIGNALS)
_rl_disable_tty_signals ();
#endif
c = rl_read_key ();
#if defined (HANDLE_SIGNALS)
_rl_restore_tty_signals ();
#endif
return (rl_insert (count, c));
}
@@ -1617,8 +1550,6 @@ rl_insert_comment (count, key)
#define DownCase 2
#define CapCase 3
static int rl_change_case ();
/* Uppercase the word at point. */
int
rl_upcase_word (count, key)