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Imported from ../bash-2.05a.tar.gz.

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This commit is contained in:
Jari Aalto
2001-11-13 17:56:06 +00:00
parent 28ef6c316f
commit f73dda092b
303 changed files with 37069 additions and 28812 deletions
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99
lib/readline/readline.c
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@@ -67,22 +67,26 @@
#include "xmalloc.h"
#ifndef RL_LIBRARY_VERSION
# define RL_LIBRARY_VERSION "4.2"
# define RL_LIBRARY_VERSION "4.2a"
#endif
#ifndef RL_READLINE_VERSION
# define RL_READLINE_VERSION 0x0402
#endif
/* Evaluates its arguments multiple times. */
#define SWAP(s, e) do { int t; t = s; s = e; e = t; } while (0)
/* Forward declarations used in this file. */
void _rl_free_history_entry __P((HIST_ENTRY *));
void _rl_free_history_entry PARAMS((HIST_ENTRY *));
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 PARAMS((void));
static void readline_initialize_everything PARAMS((void));
static void start_using_history PARAMS((void));
static void bind_arrow_keys PARAMS((void));
static int rl_change_case PARAMS((int, int));
static void readline_default_bindings __P((void));
static void readline_default_bindings PARAMS((void));
/* **************************************************************** */
/* */
@@ -92,6 +96,8 @@ static void readline_default_bindings __P((void));
const char *rl_library_version = RL_LIBRARY_VERSION;
int rl_readline_version = RL_READLINE_VERSION;
/* True if this is `real' readline as opposed to some stub substitute. */
int rl_gnu_readline_p = 1;
@@ -155,8 +161,11 @@ FILE *_rl_in_stream, *_rl_out_stream;
FILE *rl_instream = (FILE *)NULL;
FILE *rl_outstream = (FILE *)NULL;
/* Non-zero means echo characters as they are read. */
int readline_echoing_p = 1;
/* Non-zero means echo characters as they are read. Defaults to no echo;
set to 1 if there is a controlling terminal, we can get its attributes,
and the attributes include `echo'. Look at rltty.c:prepare_terminal_settings
for the code that sets it. */
int readline_echoing_p = 0;
/* Current prompt. */
char *rl_prompt = (char *)NULL;
@@ -219,7 +228,7 @@ int rl_num_chars_to_read;
char *rl_line_buffer = (char *)NULL;
int rl_line_buffer_len = 0;
/* Forward declarations used by the display and termcap code. */
/* Forward declarations used by the display, termcap, and history code. */
/* **************************************************************** */
/* */
@@ -240,6 +249,14 @@ int _rl_convert_meta_chars_to_ascii = 1;
rather than as a meta-prefixed escape sequence. */
int _rl_output_meta_chars = 0;
/* If non-zero, rl_get_previous_history and rl_get_next_history attempt
to preserve the value of rl_point from line to line. */
int _rl_history_preserve_point = 0;
/* Saved target point for when _rl_history_preserve_point is set. Special
value of -1 means that point is at the end of the line. */
static int _rl_history_saved_point = -1;
/* **************************************************************** */
/* */
/* Top Level Functions */
@@ -258,9 +275,7 @@ rl_set_prompt (prompt)
FREE (rl_prompt);
rl_prompt = prompt ? savestring (prompt) : (char *)NULL;
rl_visible_prompt_length = (rl_prompt && *rl_prompt)
? rl_expand_prompt (rl_prompt)
: 0;
rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
return 0;
}
@@ -583,6 +598,12 @@ _rl_dispatch (key, map)
if (key == ESC)
RL_UNSETSTATE(RL_STATE_METANEXT);
if (newkey < 0)
{
_rl_abort_internal ();
return -1;
}
r = _rl_dispatch (newkey, FUNCTION_TO_KEYMAP (map, key));
}
else
@@ -714,7 +735,7 @@ readline_initialize_everything ()
/* Allocate data structures. */
if (rl_line_buffer == 0)
rl_line_buffer = xmalloc (rl_line_buffer_len = DEFAULT_BUFFER_SIZE);
rl_line_buffer = (char *)xmalloc (rl_line_buffer_len = DEFAULT_BUFFER_SIZE);
/* Initialize the terminal interface. */
if (rl_terminal_name == 0)
@@ -855,6 +876,12 @@ rl_digit_loop ()
key = c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
if (c < 0)
{
_rl_abort_internal ();
return -1;
}
/* If we see a key bound to `universal-argument' after seeing digits,
it ends the argument but is otherwise ignored. */
if (_rl_keymap[c].type == ISFUNC &&
@@ -901,8 +928,7 @@ rl_digit_loop ()
}
}
RL_UNSETSTATE(RL_STATE_NUMERICARG);
return 0;
/*NOTREACHED*/
}
/* Add the current digit to the argument in progress. */
@@ -1139,6 +1165,10 @@ rl_backward (count, key)
else
rl_point -= count;
}
if (rl_point < 0)
rl_point = 0;
return 0;
}
@@ -1344,7 +1374,7 @@ rl_insert (count, c)
readline because of extra large arguments. */
if (count > 1 && count <= 1024)
{
string = xmalloc (1 + count);
string = (char *)xmalloc (1 + count);
for (i = 0; i < count; i++)
string[i] = c;
@@ -1431,6 +1461,10 @@ rl_newline (count, key)
int count, key;
{
rl_done = 1;
if (_rl_history_preserve_point)
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
RL_SETSTATE(RL_STATE_DONE);
#if defined (VI_MODE)
@@ -1487,10 +1521,10 @@ rl_rubout (count, key)
}
else
{
int c = the_line[--rl_point];
unsigned char c = the_line[--rl_point];
rl_delete_text (rl_point, rl_point + 1);
if (rl_point == rl_end && isprint (c) && _rl_last_c_pos)
if (rl_point == rl_end && ISPRINT (c) && _rl_last_c_pos)
{
int l;
l = rl_character_len (c, rl_point);
@@ -1685,7 +1719,8 @@ rl_change_case (count, op)
/* */
/* **************************************************************** */
/* Transpose the words at point. */
/* Transpose the words at point. If point is at the end of the line,
transpose the two words before point. */
int
rl_transpose_words (count, key)
int count, key;
@@ -2000,6 +2035,10 @@ rl_get_next_history (count, key)
rl_maybe_replace_line ();
/* either not saved by rl_newline or at end of line, so set appropriately. */
if (_rl_history_saved_point == -1 && (rl_point || rl_end))
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
temp = (HIST_ENTRY *)NULL;
while (count)
{
@@ -2020,7 +2059,12 @@ rl_get_next_history (count, key)
strcpy (the_line, temp->line);
rl_undo_list = (UNDO_LIST *)temp->data;
rl_end = rl_point = strlen (the_line);
rl_end = strlen (the_line);
rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
? _rl_history_saved_point
: rl_end;
if (rl_point > rl_end)
rl_point = rl_end;
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
rl_point = 0;
@@ -2044,6 +2088,10 @@ rl_get_previous_history (count, key)
if (count == 0)
return 0;
/* either not saved by rl_newline or at end of line, so set appropriately. */
if (_rl_history_saved_point == -1 && (rl_point || rl_end))
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
/* If we don't have a line saved, then save this one. */
rl_maybe_save_line ();
@@ -2077,7 +2125,12 @@ rl_get_previous_history (count, key)
strcpy (the_line, temp->line);
rl_undo_list = (UNDO_LIST *)temp->data;
rl_end = rl_point = line_len;
rl_end = line_len;
rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
? _rl_history_saved_point
: rl_end;
if (rl_point > rl_end)
rl_point = rl_end;
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)