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Diffstat (limited to 'readline/callback.c')
-rw-r--r--readline/callback.c170
1 files changed, 91 insertions, 79 deletions
diff --git a/readline/callback.c b/readline/callback.c
index 697066e..7682cd0 100644
--- a/readline/callback.c
+++ b/readline/callback.c
@@ -1,24 +1,24 @@
/* callback.c -- functions to use readline as an X `callback' mechanism. */
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
- This file is part of the GNU Readline Library, a library for
- reading lines of text with interactive input and history editing.
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
- 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 2, or
+ Readline 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 3 of the License, or
(at your option) any later version.
- The GNU Readline Library 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
+ Readline 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.
- 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,
- 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
@@ -87,6 +87,7 @@ _rl_callback_newline ()
}
readline_internal_setup ();
+ RL_CHECK_SIGNALS ();
}
/* Install a readline handler, set up the terminal, and issue the prompt. */
@@ -111,87 +112,101 @@ rl_callback_read_char ()
if (rl_linefunc == NULL)
{
- fprintf (stderr, "readline: readline_callback_read_char() called with no handler!\r\n");
+ _rl_errmsg ("readline_callback_read_char() called with no handler!");
abort ();
}
- memcpy ((void *)olevel, (void *)readline_top_level, sizeof (procenv_t));
- jcode = setjmp (readline_top_level);
+ memcpy ((void *)olevel, (void *)_rl_top_level, sizeof (procenv_t));
+ jcode = setjmp (_rl_top_level);
if (jcode)
{
(*rl_redisplay_function) ();
_rl_want_redisplay = 0;
- memcpy ((void *)readline_top_level, (void *)olevel, sizeof (procenv_t));
+ memcpy ((void *)_rl_top_level, (void *)olevel, sizeof (procenv_t));
return;
}
- if (RL_ISSTATE (RL_STATE_ISEARCH))
+ do
{
- eof = _rl_isearch_callback (_rl_iscxt);
- if (eof == 0 && (RL_ISSTATE (RL_STATE_ISEARCH) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
- rl_callback_read_char ();
+ RL_CHECK_SIGNALS ();
+ if (RL_ISSTATE (RL_STATE_ISEARCH))
+ {
+ eof = _rl_isearch_callback (_rl_iscxt);
+ if (eof == 0 && (RL_ISSTATE (RL_STATE_ISEARCH) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
+ rl_callback_read_char ();
- return;
- }
- else if (RL_ISSTATE (RL_STATE_NSEARCH))
- {
- eof = _rl_nsearch_callback (_rl_nscxt);
- return;
- }
- else if (RL_ISSTATE (RL_STATE_NUMERICARG))
- {
- eof = _rl_arg_callback (_rl_argcxt);
- if (eof == 0 && (RL_ISSTATE (RL_STATE_NUMERICARG) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
- rl_callback_read_char ();
- /* XXX - this should handle _rl_last_command_was_kill better */
- else if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0)
- _rl_internal_char_cleanup ();
+ return;
+ }
+ else if (RL_ISSTATE (RL_STATE_NSEARCH))
+ {
+ eof = _rl_nsearch_callback (_rl_nscxt);
+ return;
+ }
+#if defined (VI_MODE)
+ else if (RL_ISSTATE (RL_STATE_VIMOTION))
+ {
+ eof = _rl_vi_domove_callback (_rl_vimvcxt);
+ /* Should handle everything, including cleanup, numeric arguments,
+ and turning off RL_STATE_VIMOTION */
+ if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0)
+ _rl_internal_char_cleanup ();
- return;
- }
- else if (RL_ISSTATE (RL_STATE_MULTIKEY))
- {
- eof = _rl_dispatch_callback (_rl_kscxt); /* For now */
- while ((eof == -1 || eof == -2) && RL_ISSTATE (RL_STATE_MULTIKEY) && _rl_kscxt && (_rl_kscxt->flags & KSEQ_DISPATCHED))
- eof = _rl_dispatch_callback (_rl_kscxt);
- if (RL_ISSTATE (RL_STATE_MULTIKEY) == 0)
+ return;
+ }
+#endif
+ else if (RL_ISSTATE (RL_STATE_NUMERICARG))
{
- _rl_internal_char_cleanup ();
- _rl_want_redisplay = 1;
+ eof = _rl_arg_callback (_rl_argcxt);
+ if (eof == 0 && (RL_ISSTATE (RL_STATE_NUMERICARG) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
+ rl_callback_read_char ();
+ /* XXX - this should handle _rl_last_command_was_kill better */
+ else if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0)
+ _rl_internal_char_cleanup ();
+
+ return;
}
- }
- else if (_rl_callback_func)
- {
- /* This allows functions that simply need to read an additional character
- (like quoted-insert) to register a function to be called when input is
- available. _rl_callback_data is simply a pointer to a struct that has
- the argument count originally passed to the registering function and
- space for any additional parameters. */
- eof = (*_rl_callback_func) (_rl_callback_data);
- /* If the function `deregisters' itself, make sure the data is cleaned
- up. */
- if (_rl_callback_func == 0)
+ else if (RL_ISSTATE (RL_STATE_MULTIKEY))
{
- if (_rl_callback_data)
+ eof = _rl_dispatch_callback (_rl_kscxt); /* For now */
+ while ((eof == -1 || eof == -2) && RL_ISSTATE (RL_STATE_MULTIKEY) && _rl_kscxt && (_rl_kscxt->flags & KSEQ_DISPATCHED))
+ eof = _rl_dispatch_callback (_rl_kscxt);
+ if (RL_ISSTATE (RL_STATE_MULTIKEY) == 0)
{
- _rl_callback_data_dispose (_rl_callback_data);
- _rl_callback_data = 0;
+ _rl_internal_char_cleanup ();
+ _rl_want_redisplay = 1;
}
- _rl_internal_char_cleanup ();
}
- }
- else
- eof = readline_internal_char ();
+ else if (_rl_callback_func)
+ {
+ /* This allows functions that simply need to read an additional
+ character (like quoted-insert) to register a function to be
+ called when input is available. _rl_callback_data is simply a
+ pointer to a struct that has the argument count originally
+ passed to the registering function and space for any additional
+ parameters. */
+ eof = (*_rl_callback_func) (_rl_callback_data);
+ /* If the function `deregisters' itself, make sure the data is
+ cleaned up. */
+ if (_rl_callback_func == 0)
+ {
+ if (_rl_callback_data)
+ {
+ _rl_callback_data_dispose (_rl_callback_data);
+ _rl_callback_data = 0;
+ }
+ _rl_internal_char_cleanup ();
+ }
+ }
+ else
+ eof = readline_internal_char ();
- if (rl_done == 0 && _rl_want_redisplay)
- {
- (*rl_redisplay_function) ();
- _rl_want_redisplay = 0;
- }
+ RL_CHECK_SIGNALS ();
+ if (rl_done == 0 && _rl_want_redisplay)
+ {
+ (*rl_redisplay_function) ();
+ _rl_want_redisplay = 0;
+ }
- /* We loop in case some function has pushed input back with rl_execute_next. */
- for (;;)
- {
if (rl_done)
{
line = readline_internal_teardown (eof);
@@ -213,11 +228,8 @@ rl_callback_read_char ()
if (in_handler == 0 && rl_linefunc)
_rl_callback_newline ();
}
- if (rl_pending_input || _rl_pushed_input_available () || RL_ISSTATE (RL_STATE_MACROINPUT))
- eof = readline_internal_char ();
- else
- break;
}
+ while (rl_pending_input || _rl_pushed_input_available () || RL_ISSTATE (RL_STATE_MACROINPUT));
}
/* Remove the handler, and make sure the terminal is in its normal state. */
@@ -226,6 +238,7 @@ rl_callback_handler_remove ()
{
rl_linefunc = NULL;
RL_UNSETSTATE (RL_STATE_CALLBACK);
+ RL_CHECK_SIGNALS ();
if (in_handler)
{
in_handler = 0;
@@ -254,8 +267,7 @@ _rl_callback_data_alloc (count)
void _rl_callback_data_dispose (arg)
_rl_callback_generic_arg *arg;
{
- if (arg)
- free (arg);
+ xfree (arg);
}
#endif