diff options
Diffstat (limited to 'readline/callback.c')
| -rw-r--r-- | readline/callback.c | 170 |
1 files changed, 91 insertions, 79 deletions
diff --git a/readline/callback.c b/readline/callback.c index 697066e03c5..7682cd07b0e 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 |