octave: libinterp/corefcn/input.cc annotate

annotate libinterp/corefcn/input.cc @ 23061:aedc662896a3

move input reader classes into octave namespace * input.h, input.cc (base_reader, file_reader, terminal_reader, eval_string_reader, input_reader): Move classes inside octave namespace and rename without octave_ prefix. Change all uses.

author	John W. Eaton <jwe@octave.org>
date	Tue, 17 Jan 2017 14:40:40 -0500
parents	baf03cdb28b5
children	4e3d47dc7e25

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22196 diff changeset	3 Copyright (C) 1993-2016 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	8 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	10 (at your option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15 GNU General Public License for more details.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	19 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
2939 f2feebf0eb7d [project @ 1997-05-06 16:36:34 by jwe] jwe parents: 2927 diff changeset	23 // Get command input interactively or from files.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	24
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21547 diff changeset	25 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	26 # include "config.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	27 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28
10463 bbe99b2a5ba7 undo recent gnulib-related changes John W. Eaton <jwe@octave.org> parents: 10447 diff changeset	29 #include <cstdio>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	30 #include <cstdlib>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	31 #include <cstring>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	32 #include <cassert>
94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	33
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3498 diff changeset	34 #include <iostream>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5744 diff changeset	35 #include <sstream>
1728 42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1705 diff changeset	36 #include <string>
42b4f904f1af [project @ 1996-01-09 11:36:01 by jwe] jwe parents: 1705 diff changeset	37
2927 8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	38 #include "cmd-edit.h"
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	39 #include "file-ops.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4143 diff changeset	40 #include "quit.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	41 #include "str-vec.h"
3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	42
22091 0f6fc2ec3b1a move call_stack class to a separate file John W. Eaton <jwe@octave.org> parents: 22089 diff changeset	43 #include "call-stack.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	44 #include "debug.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	45 #include "defun.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	46 #include "dirfns.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	47 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21078 diff changeset	48 #include "errwarn.h"
3016 f512c16826d1 [project @ 1997-06-03 03:16:13 by jwe] jwe parents: 3014 diff changeset	49 #include "help.h"
16381 f33dcbd6a005 move hook_function classes to separate file John W. Eaton <jwe@octave.org> parents: 16378 diff changeset	50 #include "hook-fcn.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	51 #include "input.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	52 #include "interpreter.h"
9999 653716f3d976 get_debug_input: force interactive input mode; don't get user input unless stdin is a tty John W. Eaton <jwe@octave.org> parents: 9485 diff changeset	53 #include "lex.h"
5832 5e41e06f6a78 [project @ 2006-05-26 21:41:32 by jwe] jwe parents: 5823 diff changeset	54 #include "load-path.h"
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	55 #include "octave.h"
16416 169f71c9d9c8 use octave_link instead of hook functions in input.cc John W. Eaton <jwe@octave.org> parents: 16395 diff changeset	56 #include "octave-link.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	57 #include "oct-map.h"
1742 a02f140ed897 [project @ 1996-01-12 11:09:39 by jwe] jwe parents: 1728 diff changeset	58 #include "oct-hist.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	59 #include "interpreter.h"
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	60 #include "octave-link.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	61 #include "ovl.h"
16347 bf8397caeff1 allow add_input_event_hook to accept function handles John W. Eaton <jwe@octave.org> parents: 16336 diff changeset	62 #include "ov-fcn-handle.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	63 #include "pager.h"
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	64 #include "parse.h"
3772 e44ffad3d06c [project @ 2001-02-03 06:23:38 by jwe] jwe parents: 3741 diff changeset	65 #include "pt.h"
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	66 #include "pt-const.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	67 #include "pt-eval.h"
3805 44386b0e53da [project @ 2001-03-01 16:54:31 by jwe] jwe parents: 3804 diff changeset	68 #include "pt-stmt.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	69 #include "sighandlers.h"
16468 0f143f68078d use signal/slot for updating workspace instead of using event listener John W. Eaton <jwe@octave.org> parents: 16438 diff changeset	70 #include "symtab.h"
1114 971f2289d6de [project @ 1995-02-15 04:58:06 by jwe] jwe parents: 1112 diff changeset	71 #include "sysdep.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22091 diff changeset	72 #include "interpreter.h"
3098 f4acdc9a77cc [project @ 1997-11-14 09:30:20 by jwe] jwe parents: 3081 diff changeset	73 #include "unwind-prot.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	74 #include "utils.h"
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	75 #include "variables.h"
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	76
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	77 // Primary prompt string.
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	78 static std::string VPS1;
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	79
138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	80 // Secondary prompt string.
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	81 static std::string VPS2;
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	82
138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	83 // String printed before echoed input (enabled by --echo-input).
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	84 std::string VPS4 = "+ ";
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	85
3019 92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	86 // Echo commands as they are executed?
92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	87 //
92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	88 // 1 ==> echo commands read from script files
92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	89 // 2 ==> echo commands from functions
92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	90 // 4 ==> echo commands read from command line
92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	91 //
92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	92 // more than one state can be active at once.
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	93 int Vecho_executing_commands = ECHO_OFF;
3019 92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	94
3165 e4bbfc196e53 [project @ 1998-04-16 03:01:47 by jwe] jwe parents: 3100 diff changeset	95 // The time we last printed a prompt.
21730 30c53770f47e use namespace for system time classes John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	96 octave::sys::time Vlast_prompt_time = 0.0;
3165 e4bbfc196e53 [project @ 1998-04-16 03:01:47 by jwe] jwe parents: 3100 diff changeset	97
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	98 // Character to append after successful command-line completion attempts.
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	99 static char Vcompletion_append_char = ' ';
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	100
3804 4073be5aefa1 [project @ 2001-02-28 08:36:04 by jwe] jwe parents: 3772 diff changeset	101 // TRUE after a call to completion_matches.
2299 f296bbc757a1 [project @ 1996-06-23 03:45:44 by jwe] jwe parents: 2287 diff changeset	102 bool octave_completion_matches_called = false;
f296bbc757a1 [project @ 1996-06-23 03:45:44 by jwe] jwe parents: 2287 diff changeset	103
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	104 // TRUE if the plotting system has requested a call to drawnow at
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	105 // the next user prompt.
7409 73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7336 diff changeset	106 bool Vdrawnow_requested = false;
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	107
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	108 // TRUE if we are in debugging mode.
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	109 bool Vdebugging = false;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	110
22164 5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	111 // TRUE if we are recording line numbers in a source file.
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	112 // Always true except when debugging and taking input directly from
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	113 // the terminal.
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	114 bool Vtrack_line_num = true;
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	115
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	116 // If we are in debugging mode, this is the last command entered, so
c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	117 // that we can repeat the previous command if the user just types RET.
16336 0ce49f9fb171 "\n" is the new empty string (bug #38552) John W. Eaton <jwe@octave.org> parents: 16288 diff changeset	118 static std::string last_debugging_command = "\n";
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	119
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	120 // TRUE if we are running in the Emacs GUD mode.
fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	121 static bool Vgud_mode = false;
fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	122
7818 5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	123 // The filemarker used to separate filenames from subfunction names
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	124 char Vfilemarker = '>';
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	125
16378 b28ae106e316 use class for lists of input hook functions John W. Eaton <jwe@octave.org> parents: 16374 diff changeset	126 static hook_function_list input_event_hook_functions;
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	127
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	128 // For octave_quit.
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	129 void
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	130 remove_input_event_hook_functions (void)
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	131 {
16378 b28ae106e316 use class for lists of input hook functions John W. Eaton <jwe@octave.org> parents: 16374 diff changeset	132 input_event_hook_functions.clear ();
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	133 }
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	134
16209 e7ff32e7cf82 move global promptflag variable to octave_reader class John W. Eaton <jwe@octave.org> parents: 16208 diff changeset	135 void
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	136 set_default_prompts (void)
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	137 {
18037 708173343c50 use "octave" instead of "\\s" in default prompt John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	138 // Use literal "octave" instead of "\\s" to avoid setting the prompt
708173343c50 use "octave" instead of "\\s" in default prompt John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	139 // to "octave.exe" or "octave-gui", etc.
708173343c50 use "octave" instead of "\\s" in default prompt John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	140
708173343c50 use "octave" instead of "\\s" in default prompt John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	141 VPS1 = "octave:\\#> ";
16528 9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	142 VPS2 = "> ";
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	143 VPS4 = "+ ";
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	144
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	145 octave_link::set_default_prompts (VPS1, VPS2, VPS4);
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	146 }
9bc1f8278966 allow GUI to customize prompts at startup John W. Eaton <jwe@octave.org> parents: 16524 diff changeset	147
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	148 namespace octave
1044 1aa6f2edd975 [project @ 1995-01-18 16:35:01 by jwe] jwe parents: 1034 diff changeset	149 {
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	150 void
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	151 base_reader::do_input_echo (const std::string& input_string) const
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	152 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	153 bool forced_interactive = octave::application::forced_interactive ();
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	154
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	155 int do_echo = reading_script_file ()
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	156 ? (Vecho_executing_commands & ECHO_SCRIPTS)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	157 : ((Vecho_executing_commands & ECHO_CMD_LINE) && ! forced_interactive);
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	158
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	159 if (do_echo)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	160 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	161 if (forced_interactive)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	162 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	163 if (pflag > 0)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	164 octave_stdout << octave::command_editor::decode_prompt_string (VPS1);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	165 else
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	166 octave_stdout << octave::command_editor::decode_prompt_string (VPS2);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	167 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	168 else
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	169 octave_stdout << octave::command_editor::decode_prompt_string (VPS4);
1044 1aa6f2edd975 [project @ 1995-01-18 16:35:01 by jwe] jwe parents: 1034 diff changeset	170
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	171 if (! input_string.empty ())
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	172 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	173 octave_stdout << input_string;
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	174
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	175 if (input_string[input_string.length () - 1] != '\n')
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	176 octave_stdout << "\n";
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	177 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	178 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	179 }
1044 1aa6f2edd975 [project @ 1995-01-18 16:35:01 by jwe] jwe parents: 1034 diff changeset	180 }
1aa6f2edd975 [project @ 1995-01-18 16:35:01 by jwe] jwe parents: 1034 diff changeset	181
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	182 static std::string
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	183 gnu_readline (const std::string& s, bool& eof)
1822 3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	184 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10066 diff changeset	185 octave_quit ();
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5092 diff changeset	186
16097 2f4fa62089b3 improve end of file handling for lexer input John W. Eaton <jwe@octave.org> parents: 16053 diff changeset	187 eof = false;
2f4fa62089b3 improve end of file handling for lexer input John W. Eaton <jwe@octave.org> parents: 16053 diff changeset	188
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	189 std::string retval = octave::command_editor::readline (s, eof);
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	190
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	191 if (! eof && retval.empty ())
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	192 retval = "\n";
1822 3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	193
3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	194 return retval;
3a47ca3dd227 [project @ 1996-02-01 08:06:35 by jwe] jwe parents: 1799 diff changeset	195 }
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	196
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	197 static inline std::string
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	198 interactive_input (const std::string& s, bool& eof)
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	199 {
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	200 Vlast_prompt_time.stamp ();
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	201
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	202 if (Vdrawnow_requested && octave::application::interactive ())
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	203 {
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	204 bool eval_error = false;
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	205
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	206 try
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	207 {
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	208 feval ("drawnow");
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	209 }
22327 d0562b3159c7 move more classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	210 catch (const octave::execution_exception& e)
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	211 {
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	212 eval_error = true;
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	213
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	214 std::string stack_trace = e.info ();
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	215
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	216 if (! stack_trace.empty ())
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	217 std::cerr << stack_trace;
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	218
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	219 if (octave::application::interactive ())
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	220 recover_from_exception ();
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	221 }
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	222
23060 baf03cdb28b5 move pager and diary classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23052 diff changeset	223 octave::flush_stdout ();
6367 268bfc8a2755 [project @ 2007-02-28 20:16:05 by jwe] jwe parents: 6317 diff changeset	224
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	225 // We set Vdrawnow_requested to false even if there is an error in
b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	226 // drawnow so that the error doesn't reappear at every prompt.
6305 48f8af442b8a [project @ 2007-02-14 22:16:53 by jwe] jwe parents: 6257 diff changeset	227
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	228 Vdrawnow_requested = false;
6305 48f8af442b8a [project @ 2007-02-14 22:16:53 by jwe] jwe parents: 6257 diff changeset	229
20743 b6408331bfa2 eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20741 diff changeset	230 if (eval_error)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	231 return "\n";
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	232 }
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	233
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	234 return gnu_readline (s, eof);
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	235 }
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	236
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	237 namespace octave
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	238 {
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	239 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	240 base_reader::octave_gets (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	241 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	242 octave_quit ();
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5092 diff changeset	243
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	244 eof = false;
16097 2f4fa62089b3 improve end of file handling for lexer input John W. Eaton <jwe@octave.org> parents: 16053 diff changeset	245
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	246 std::string retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	247
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	248 // Process pre input event hook function prior to flushing output and
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	249 // printing the prompt.
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	250
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	251 if (octave::application::interactive ())
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	252 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	253 if (! Vdebugging)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	254 octave_link::exit_debugger_event ();
16438 a971d8bdaadc use signals instead of event queue for entering/leaving debug mode John W. Eaton <jwe@octave.org> parents: 16433 diff changeset	255
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	256 octave_link::pre_input_event ();
16468 0f143f68078d use signal/slot for updating workspace instead of using event listener John W. Eaton <jwe@octave.org> parents: 16438 diff changeset	257
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	258 octave_link::set_workspace ();
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	259 }
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	260
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	261 bool history_skip_auto_repeated_debugging_command = false;
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	262
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	263 std::string ps = (pflag > 0) ? VPS1 : VPS2;
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	264
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	265 std::string prompt = octave::command_editor::decode_prompt_string (ps);
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	266
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	267 octave::pipe_handler_error_count = 0;
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	268
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	269 octave::flush_stdout ();
2618 aa667ac18d12 [project @ 1997-01-23 03:16:28 by jwe] jwe parents: 2470 diff changeset	270
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	271 octave::pager_stream::reset ();
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	272 octave::diary_stream::reset ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	273
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	274 octave_diary << prompt;
13266 c053740eb2aa improve memory use for the pager and diary streams (bug #34431) John W. Eaton <jwe@octave.org> parents: 12989 diff changeset	275
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	276 retval = interactive_input (prompt, eof);
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	277
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	278 // There is no need to update the load_path cache if there is no
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	279 // user input.
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	280 if (retval != "\n"
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	281 && retval.find_first_not_of (" \t\n\r") != std::string::npos)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	282 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	283 load_path::update ();
8841 c74389115610 auto repeat for debugging commands John W. Eaton <jwe@octave.org> parents: 8749 diff changeset	284
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	285 if (Vdebugging)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	286 last_debugging_command = retval;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	287 else
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	288 last_debugging_command = "\n";
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	289 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	290 else if (Vdebugging)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	291 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	292 retval = last_debugging_command;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	293 history_skip_auto_repeated_debugging_command = true;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	294 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	295
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	296 if (retval != "\n")
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	297 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	298 if (! history_skip_auto_repeated_debugging_command)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	299 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	300 if (octave::command_history::add (retval))
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	301 octave_link::append_history (retval);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	302 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	303
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	304 octave_diary << retval;
3176 fccab8e7d35f [project @ 1998-05-18 20:33:31 by jwe] jwe parents: 3165 diff changeset	305
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	306 if (retval[retval.length () - 1] != '\n')
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	307 octave_diary << "\n";
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	308
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	309 do_input_echo (retval);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	310 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	311 else
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	312 octave_diary << "\n";
9476 d9b25c5b8ee5 handle classdef syntax in lexer and parser Ryan Rusaw parents: 9396 diff changeset	313
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	314 // Process post input event hook function after the internal history
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	315 // list has been updated.
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	316
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	317 if (octave::application::interactive ())
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	318 octave_link::post_input_event ();
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	319
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	320 return retval;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	321 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	322
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	323 bool
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	324 base_reader::reading_fcn_file (void) const
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	325 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	326 return lexer ? lexer->reading_fcn_file : false;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	327 }
17731 f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	328
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	329 bool
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	330 base_reader::reading_classdef_file (void) const
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	331 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	332 return lexer ? lexer->reading_classdef_file : false;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	333 }
17731 f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	334
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	335 bool
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	336 base_reader::reading_script_file (void) const
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	337 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	338 return lexer ? lexer->reading_script_file : false;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	339 }
17731 f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	340 }
f79bf671a493 eliminate global LEXER variable John W. Eaton <jwe@octave.org> parents: 17323 diff changeset	341
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	342 // Fix things up so that input can come from the standard input. This
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	343 // may need to become much more complicated, which is why it's in a
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	344 // separate function.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	345
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	346 FILE *
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	347 get_input_from_stdin (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	348 {
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	349 octave::command_editor::set_input_stream (stdin);
176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	350 return octave::command_editor::get_input_stream ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	351 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	352
20713 2469d78a1d8b Consistently use 'filename' rather than 'file name' throughout code base. Rik <rik@octave.org> parents: 20704 diff changeset	353 // FIXME: make this generate filenames when appropriate.
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	354
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	355 static string_vector
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	356 generate_possible_completions (const std::string& text, std::string& prefix,
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	357 std::string& hint, bool& deemed_struct)
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	358 {
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	359 string_vector names;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	360
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	361 prefix = "";
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	362
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	363 char prev_char = octave::command_editor::get_prev_char (text.length ());
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	364 deemed_struct = looks_like_struct (text, prev_char);
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	365
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	366 if (deemed_struct)
1430 045e70a15a8f [project @ 1995-09-19 07:05:37 by jwe] jwe parents: 1403 diff changeset	367 names = generate_struct_completions (text, prefix, hint);
045e70a15a8f [project @ 1995-09-19 07:05:37 by jwe] jwe parents: 1403 diff changeset	368 else
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	369 names = make_name_list ();
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	370
2944 e9c24f32f175 [project @ 1997-05-08 02:42:22 by jwe] jwe parents: 2939 diff changeset	371 // Sort and remove duplicates.
2348 a88c5cc51f62 [project @ 1996-07-25 09:54:40 by jwe] jwe parents: 2327 diff changeset	372
8503 8ba2ee57c594 remove qsort in favor of sort Jaroslav Hajek <highegg@gmail.com> parents: 8447 diff changeset	373 names.sort (true);
2348 a88c5cc51f62 [project @ 1996-07-25 09:54:40 by jwe] jwe parents: 2327 diff changeset	374
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	375 return names;
b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	376 }
b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	377
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	378 static bool
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	379 is_completing_dirfns (void)
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	380 {
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	381 static std::string dirfns_commands[] = {"cd", "ls"};
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	382 static const size_t dirfns_commands_length = 2;
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	383
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	384 bool retval = false;
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	385
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	386 std::string line = octave::command_editor::get_line_buffer ();
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	387
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	388 for (size_t i = 0; i < dirfns_commands_length; i++)
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	389 {
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	390 int index = line.find (dirfns_commands[i] + " ");
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	391
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	392 if (index == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	393 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	394 retval = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	395 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	396 }
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	397 }
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	398
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	399 return retval;
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	400 }
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	401
3536 e8fbc8c3d6d9 [project @ 2000-02-02 12:01:00 by jwe] jwe parents: 3534 diff changeset	402 static std::string
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	403 generate_completion (const std::string& text, int state)
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	404 {
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	405 std::string retval;
2944 e9c24f32f175 [project @ 1997-05-08 02:42:22 by jwe] jwe parents: 2939 diff changeset	406
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	407 static std::string prefix;
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3519 diff changeset	408 static std::string hint;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	409
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	410 static size_t hint_len = 0;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	411
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	412 static int list_index = 0;
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	413 static int name_list_len = 0;
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	414 static int name_list_total_len = 0;
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	415 static string_vector name_list;
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	416 static string_vector file_name_list;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	417
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	418 static int matches = 0;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	419
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	420 if (state == 0)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	421 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	422 list_index = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	423
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	424 prefix = "";
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	425
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	426 hint = text;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	427
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	428 // No reason to display symbols while completing a
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	429 // file/directory operation.
3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	430
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	431 bool deemed_struct = false;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	432
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	433 if (is_completing_dirfns ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	434 name_list = string_vector ();
9485 3cee58bf4acf selectively complete filenames in some cases John W. Eaton <jwe@octave.org> parents: 9484 diff changeset	435 else
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	436 name_list = generate_possible_completions (text, prefix, hint,
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	437 deemed_struct);
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	438
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20178 diff changeset	439 name_list_len = name_list.numel ();
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	440
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	441 // If the line was something like "a{1}." then text = "." but
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	442 // we don't want to expand all the . files.
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	443 if (! deemed_struct)
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	444 {
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	445
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	446 file_name_list = octave::command_editor::generate_filename_completions (text);
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	447
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	448 name_list.append (file_name_list);
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	449
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	450 }
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	451
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20178 diff changeset	452 name_list_total_len = name_list.numel ();
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	453
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	454 hint_len = hint.length ();
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	455
b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	456 matches = 0;
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	457
2921 64dd86522a1d [project @ 1997-05-02 02:52:54 by jwe] jwe parents: 2900 diff changeset	458 for (int i = 0; i < name_list_len; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	459 if (hint == name_list[i].substr (0, hint_len))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	460 matches++;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	461 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	462
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	463 if (name_list_total_len > 0 && matches > 0)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	464 {
4604 cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe] jwe parents: 4565 diff changeset	465 while (list_index < name_list_total_len)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	466 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	467 std::string name = name_list[list_index];
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	468
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	469 list_index++;
2247 108d848901b4 [project @ 1996-05-22 07:39:29 by jwe] jwe parents: 2235 diff changeset	470
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	471 if (hint == name.substr (0, hint_len))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	472 {
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22327 diff changeset	473 // Special case: array reference forces prefix="."
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22327 diff changeset	474 // in generate_struct_completions ()
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	475 if (list_index <= name_list_len && ! prefix.empty ())
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	476 retval = (prefix == "." ? "" : prefix) + "." + name;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	477 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	478 retval = name;
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	479
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	480 char prev_char = octave::command_editor::get_prev_char
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	481 (text.length ());
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	482 if (matches == 1 && looks_like_struct (retval, prev_char))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	483 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	484 // Don't append anything, since we don't know
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	485 // whether it should be '(' or '.'.
4179 8734ba917fea [project @ 2002-11-14 04:31:19 by jwe] jwe parents: 4170 diff changeset	486
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	487 octave::command_editor::set_completion_append_character ('\0');
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	488 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	489 else
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	490 octave::command_editor::set_completion_append_character
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	491 (Vcompletion_append_char);
1280 b01f9577b0da [project @ 1995-04-26 17:49:19 by jwe] jwe parents: 1215 diff changeset	492
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	493 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	494 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	495 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	496 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	497
2944 e9c24f32f175 [project @ 1997-05-08 02:42:22 by jwe] jwe parents: 2939 diff changeset	498 return retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	499 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	500
6979 2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	501 static std::string
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	502 quoting_filename (const std::string &text, int, char quote)
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	503 {
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	504 if (quote)
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	505 return text;
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	506 else
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	507 return (std::string ("'") + text);
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	508 }
2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	509
22171 0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	510 // Try to parse a partial command line in reverse, excluding trailing TEXT.
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	511 // If it appears a variable has been indexed by () or {},
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	512 // return that expression,
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	513 // to allow autocomplete of field names of arrays of structures.
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	514 std::string
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	515 find_indexed_expression (const std::string& text)
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	516 {
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	517 std::string line = octave::command_editor::get_line_buffer ();
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	518
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	519 int pos = line.length () - text.length ();
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	520 int curly_count = 0;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	521 int paren_count = 0;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	522
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	523 int last = --pos;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	524
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	525 while (pos >= 0 && (line[pos] == ')' \|\| line[pos] == '}'))
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	526 {
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	527 if (line[pos] == ')')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	528 paren_count++;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	529 else if (line[pos] == '}')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	530 curly_count++;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	531
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	532 while (curly_count + paren_count > 0 && --pos >= 0)
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	533 {
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	534 if (line[pos] == ')')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	535 paren_count++;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	536 else if (line[pos] == '(')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	537 paren_count--;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	538 else if (line[pos] == '}')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	539 curly_count++;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	540 else if (line[pos] == '{')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	541 curly_count--;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	542 }
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	543
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	544 while (--pos >= 0 && line[pos] == ' ')
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	545 ;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	546 }
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	547
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	548 while (pos >= 0 && (isalnum (line[pos]) \|\| line[pos] == '_'))
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	549 pos--;
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	550
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	551 if (++pos >= 0)
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	552 return (line.substr (pos, last + 1 - pos));
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	553 else
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	554 return std::string ();
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	555 }
0a4c5a90f286 Allow tab completion of arrays of structures. Lachlan Andrew <lachlanbis@gmail.com> parents: 22164 diff changeset	556
2927 8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	557 void
8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	558 initialize_command_input (void)
8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	559 {
8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	560 // If we are using readline, this allows conditional parsing of the
8722c6284b72 [project @ 1997-05-05 03:44:04 by jwe] jwe parents: 2921 diff changeset	561 // .inputrc file.
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	562
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	563 octave::command_editor::set_name ("Octave");
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	564
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	565 // FIXME: this needs to include a comma too, but that
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	566 // causes trouble for the new struct element completion code.
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	567
4272 fd406afe8a10 [project @ 2003-01-03 19:52:30 by jwe] jwe parents: 4253 diff changeset	568 static const char s = "\t\n !\"\'+-/:;<=>(){}[\\]^`~";
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	569
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	570 octave::command_editor::set_basic_word_break_characters (s);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	571
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	572 octave::command_editor::set_completer_word_break_characters (s);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3877 diff changeset	573
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	574 octave::command_editor::set_basic_quote_characters ("\"");
2944 e9c24f32f175 [project @ 1997-05-08 02:42:22 by jwe] jwe parents: 2939 diff changeset	575
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	576 octave::command_editor::set_filename_quote_characters (" \t\n\\\"'@<>=;\|&()#$`?*[!:{");
176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	577 octave::command_editor::set_completer_quote_characters ("'\"");
6979 2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	578
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	579 octave::command_editor::set_completion_function (generate_completion);
6979 2883ea1c5c18 [project @ 2007-10-08 20:23:48 by dbateman] dbateman parents: 6945 diff changeset	580
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	581 octave::command_editor::set_quoting_function (quoting_filename);
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	582 }
0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	583
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	584 static void
16438 a971d8bdaadc use signals instead of event queue for entering/leaving debug mode John W. Eaton <jwe@octave.org> parents: 16433 diff changeset	585 execute_in_debugger_handler (const std::pair<std::string, int>& arg)
16419 16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	586 {
16438 a971d8bdaadc use signals instead of event queue for entering/leaving debug mode John W. Eaton <jwe@octave.org> parents: 16433 diff changeset	587 octave_link::execute_in_debugger_event (arg.first, arg.second);
16419 16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	588 }
16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	589
16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	590 static void
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	591 get_debug_input (const std::string& prompt)
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	592 {
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21730 diff changeset	593 octave::unwind_protect frame;
16395 fc491da603f6 also provide a hook for exiting debugger John W. Eaton <jwe@octave.org> parents: 16386 diff changeset	594
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22171 diff changeset	595 bool silent = octave::tree_evaluator::quiet_breakpoint_flag;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22171 diff changeset	596 octave::tree_evaluator::quiet_breakpoint_flag = false;
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	597
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	598 octave_user_code *caller = octave::call_stack::caller_user_code ();
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	599 std::string nm;
18595 a87bdd302b1b set editor cursor on error line when debug_on_error is true (bug #41532) John W. Eaton <jwe@octave.org> parents: 18037 diff changeset	600 int curr_debug_line;
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	601
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	602 bool have_file = false;
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	603
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	604 if (caller)
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	605 {
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	606 nm = caller->fcn_file_name ();
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	607
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	608 if (nm.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	609 nm = caller->name ();
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	610 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	611 have_file = true;
18595 a87bdd302b1b set editor cursor on error line when debug_on_error is true (bug #41532) John W. Eaton <jwe@octave.org> parents: 18037 diff changeset	612
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	613 curr_debug_line = octave::call_stack::caller_user_code_line ();
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	614 }
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	615 else
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	616 curr_debug_line = octave::call_stack::current_line ();
3180 c17387059fd3 [project @ 1998-09-24 18:59:11 by jwe] jwe parents: 3176 diff changeset	617
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	618 std::ostringstream buf;
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	619
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	620 if (! nm.empty ())
3180 c17387059fd3 [project @ 1998-09-24 18:59:11 by jwe] jwe parents: 3176 diff changeset	621 {
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	622 if (Vgud_mode)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	623 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	624 static char ctrl_z = 'Z' & 0x1f;
269 0febc87abbd4 [project @ 1994-01-05 08:17:07 by jwe] jwe parents: 252 diff changeset	625
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	626 buf << ctrl_z << ctrl_z << nm << ":" << curr_debug_line;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	627 }
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	628 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	629 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	630 // FIXME: we should come up with a clean way to detect
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	631 // that we are stopped on the no-op command that marks the
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	632 // end of a function or script.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	633
19379 c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	634 if (! silent)
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	635 {
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	636 buf << "stopped in " << nm;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	637
19379 c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	638 if (curr_debug_line > 0)
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	639 buf << " at line " << curr_debug_line;
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	640 }
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	641
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	642 if (have_file)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	643 {
16419 16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	644 octave_link::enter_debugger_event (nm, curr_debug_line);
16395 fc491da603f6 also provide a hook for exiting debugger John W. Eaton <jwe@octave.org> parents: 16386 diff changeset	645
16524 6a8e63dadfad provide octave_link::set_workspace function with default values John W. Eaton <jwe@octave.org> parents: 16502 diff changeset	646 octave_link::set_workspace ();
16468 0f143f68078d use signal/slot for updating workspace instead of using event listener John W. Eaton <jwe@octave.org> parents: 16438 diff changeset	647
16438 a971d8bdaadc use signals instead of event queue for entering/leaving debug mode John W. Eaton <jwe@octave.org> parents: 16433 diff changeset	648 frame.add_fcn (execute_in_debugger_handler,
16419 16bfbf9136d3 avoid creating unnecessary octave_value objects for octave_link calls John W. Eaton <jwe@octave.org> parents: 16416 diff changeset	649 std::pair<std::string, int> (nm, curr_debug_line));
16374 8b0a04cbdc9d provide hook function for dbstop events John W. Eaton <jwe@octave.org> parents: 16373 diff changeset	650
19379 c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	651 if (! silent)
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	652 {
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	653 std::string line_buf
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	654 = get_file_line (nm, curr_debug_line);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 8503 diff changeset	655
19379 c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	656 if (! line_buf.empty ())
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	657 buf << "\n" << curr_debug_line << ": " << line_buf;
c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	658 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	659 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	660 }
3180 c17387059fd3 [project @ 1998-09-24 18:59:11 by jwe] jwe parents: 3176 diff changeset	661 }
c17387059fd3 [project @ 1998-09-24 18:59:11 by jwe] jwe parents: 3176 diff changeset	662
19379 c1ce43276b86 avoid printing debug location in cmd window when using GUI to step John W. Eaton <jwe@octave.org> parents: 18694 diff changeset	663 if (silent)
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	664 octave::command_editor::erase_empty_line (true);
19595 be7ac98fab43 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 19379 diff changeset	665
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	666 std::string msg = buf.str ();
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	667
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	668 if (! msg.empty ())
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9483 diff changeset	669 std::cerr << msg << std::endl;
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	670
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9999 diff changeset	671 frame.protect_var (VPS1);
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	672 VPS1 = prompt;
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	673
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	674 octave::application *app = octave::application::app ();
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	675
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	676 if (! app->interactive ())
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	677 {
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	678
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	679 frame.add_method (app, &octave::application::interactive,
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	680 app->interactive ());
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	681
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	682 frame.add_method (app, &octave::application::forced_interactive,
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	683 app->forced_interactive ());
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	684
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	685 app->interactive (true);
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	686
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	687 app->forced_interactive (true);
12907 6e1b9f079e0f allow debugging when input is not coming from a tty John W. Eaton <jwe@octave.org> parents: 12573 diff changeset	688 }
6e1b9f079e0f allow debugging when input is not coming from a tty John W. Eaton <jwe@octave.org> parents: 12573 diff changeset	689
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22171 diff changeset	690 octave::parser curr_parser;
16151 e309eb7940be parser tweaks John W. Eaton <jwe@octave.org> parents: 16149 diff changeset	691
12907 6e1b9f079e0f allow debugging when input is not coming from a tty John W. Eaton <jwe@octave.org> parents: 12573 diff changeset	692 while (Vdebugging)
6e1b9f079e0f allow debugging when input is not coming from a tty John W. Eaton <jwe@octave.org> parents: 12573 diff changeset	693 {
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	694 try
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	695 {
22164 5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	696 Vtrack_line_num = false;
5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	697
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	698 reset_error_handler ();
12907 6e1b9f079e0f allow debugging when input is not coming from a tty John W. Eaton <jwe@octave.org> parents: 12573 diff changeset	699
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	700 curr_parser.reset ();
9999 653716f3d976 get_debug_input: force interactive input mode; don't get user input unless stdin is a tty John W. Eaton <jwe@octave.org> parents: 9485 diff changeset	701
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	702 int retval = curr_parser.run ();
9999 653716f3d976 get_debug_input: force interactive input mode; don't get user input unless stdin is a tty John W. Eaton <jwe@octave.org> parents: 9485 diff changeset	703
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	704 if (octave::command_editor::interrupt (false))
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	705 break;
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	706 else
16382 389b09a914e2 allow gui to force readline to return from its idle/read loop John W. Eaton <jwe@octave.org> parents: 16381 diff changeset	707 {
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	708 if (retval == 0 && curr_parser.stmt_list)
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	709 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22171 diff changeset	710 curr_parser.stmt_list->accept (*octave::current_evaluator);
9999 653716f3d976 get_debug_input: force interactive input mode; don't get user input unless stdin is a tty John W. Eaton <jwe@octave.org> parents: 9485 diff changeset	711
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	712 if (octave_completion_matches_called)
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	713 octave_completion_matches_called = false;
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	714 }
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	715
31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	716 octave_quit ();
16382 389b09a914e2 allow gui to force readline to return from its idle/read loop John W. Eaton <jwe@octave.org> parents: 16381 diff changeset	717 }
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	718 }
22327 d0562b3159c7 move more classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	719 catch (const octave::execution_exception& e)
20639 31219c56874f don't exit debugger if an error occurs (bug #46251) John W. Eaton <jwe@octave.org> parents: 20582 diff changeset	720 {
20739 9e8a6d6d6de9 restore stack trace for errors that occur in debug mode John W. Eaton <jwe@octave.org> parents: 20713 diff changeset	721 std::string stack_trace = e.info ();
9e8a6d6d6de9 restore stack trace for errors that occur in debug mode John W. Eaton <jwe@octave.org> parents: 20713 diff changeset	722
9e8a6d6d6de9 restore stack trace for errors that occur in debug mode John W. Eaton <jwe@octave.org> parents: 20713 diff changeset	723 if (! stack_trace.empty ())
9e8a6d6d6de9 restore stack trace for errors that occur in debug mode John W. Eaton <jwe@octave.org> parents: 20713 diff changeset	724 std::cerr << stack_trace;
9e8a6d6d6de9 restore stack trace for errors that occur in debug mode John W. Eaton <jwe@octave.org> parents: 20713 diff changeset	725
20756 200ae1d650b7 propagate octave_execution_exception objects through try/catch blocks John W. Eaton <jwe@octave.org> parents: 20743 diff changeset	726 // Ignore errors when in debugging mode;
20739 9e8a6d6d6de9 restore stack trace for errors that occur in debug mode John W. Eaton <jwe@octave.org> parents: 20713 diff changeset	727 recover_from_exception ();
9999 653716f3d976 get_debug_input: force interactive input mode; don't get user input unless stdin is a tty John W. Eaton <jwe@octave.org> parents: 9485 diff changeset	728 }
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	729 }
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	730 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	731
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	732 namespace octave
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	733 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	734 const std::string base_reader::in_src ("invalid");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	735
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	736 const std::string terminal_reader::in_src ("terminal");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	737
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	738 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	739 terminal_reader::get_input (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	740 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	741 octave_quit ();
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	742
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	743 eof = false;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	744
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	745 return octave_gets (eof);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	746 }
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	747
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	748 const std::string file_reader::in_src ("file");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	749
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	750 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	751 file_reader::get_input (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	752 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	753 octave_quit ();
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	754
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	755 eof = false;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	756
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	757 return octave_fgets (file, eof);
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	758 }
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	759
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	760 const std::string eval_string_reader::in_src ("eval_string");
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	761
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	762 std::string
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	763 eval_string_reader::get_input (bool& eof)
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	764 {
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	765 octave_quit ();
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	766
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	767 eof = false;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	768
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	769 std::string retval;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	770
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	771 retval = eval_string;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	772
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	773 // Clear the eval string so that the next call will return
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	774 // an empty character string with EOF = true.
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	775 eval_string = "";
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	776
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	777 if (retval.empty ())
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	778 eof = true;
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	779
23061 aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	780 return retval;
aedc662896a3 move input reader classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23060 diff changeset	781 }
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	782 }
b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16187 diff changeset	783
581 bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	784 // If the user simply hits return, this will produce an empty matrix.
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe] jwe parents: 529 diff changeset	785
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	786 static octave_value_list
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	787 get_user_input (const octave_value_list& args, int nargout)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	788 {
3100 bea2f5be3eab [project @ 1997-11-14 10:07:50 by jwe] jwe parents: 3098 diff changeset	789 octave_value_list retval;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	790
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	791 int read_as_string = 0;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	792
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20817 diff changeset	793 if (args.length () == 2)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	794 read_as_string++;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	795
20700 68e3a747ca02 rename octave_value value extractors that accept error message args John W. Eaton <jwe@octave.org> parents: 20639 diff changeset	796 std::string prompt = args(0).xstring_value ("input: unrecognized argument");
4975 80842ad3f85c [project @ 2004-09-08 18:37:58 by jwe] jwe parents: 4802 diff changeset	797
23060 baf03cdb28b5 move pager and diary classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23052 diff changeset	798 octave::flush_stdout ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	799
23060 baf03cdb28b5 move pager and diary classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23052 diff changeset	800 octave::pager_stream::reset ();
baf03cdb28b5 move pager and diary classes into octave namespace John W. Eaton <jwe@octave.org> parents: 23052 diff changeset	801 octave::diary_stream::reset ();
13266 c053740eb2aa improve memory use for the pager and diary streams (bug #34431) John W. Eaton <jwe@octave.org> parents: 12989 diff changeset	802
4565 1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4526 diff changeset	803 octave_diary << prompt;
1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4526 diff changeset	804
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	805 bool eof = false;
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	806
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	807 std::string input_buf = interactive_input (prompt.c_str (), eof);
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	808
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	809 if (input_buf.empty ())
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	810 error ("input: reading user-input failed!");
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	811
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	812 size_t len = input_buf.length ();
4565 1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4526 diff changeset	813
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	814 octave_diary << input_buf;
4565 1db951a4fcd5 [project @ 2003-10-29 13:49:30 by jwe] jwe parents: 4526 diff changeset	815
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	816 if (input_buf[len - 1] != '\n')
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	817 octave_diary << "\n";
3772 e44ffad3d06c [project @ 2001-02-03 06:23:38 by jwe] jwe parents: 3741 diff changeset	818
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	819 if (len < 1)
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	820 return read_as_string ? octave_value ("") : octave_value (Matrix ());
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	821
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	822 if (read_as_string)
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	823 {
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	824 // FIXME: fix gnu_readline and octave_gets instead!
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	825 if (input_buf.length () == 1 && input_buf[0] == '\n')
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	826 retval(0) = "";
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	827 else
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	828 retval(0) = input_buf;
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	829 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	830 else
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	831 {
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	832 int parse_status = 0;
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	833
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	834 retval = eval_string (input_buf, true, parse_status, nargout);
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	835
21885 0806871e3e1e maint: Prefer is_empty() rather than "length () == 0". Rik <rik@octave.org> parents: 21852 diff changeset	836 if (! Vdebugging && retval.empty ())
20981 c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	837 retval(0) = Matrix ();
c11cea70b638 maint: invert if/else/error instances. John W. Eaton <jwe@octave.org> parents: 20941 diff changeset	838 }
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	839
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	840 return retval;
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	841 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	842
3100 bea2f5be3eab [project @ 1997-11-14 10:07:50 by jwe] jwe parents: 3098 diff changeset	843 DEFUN (input, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	844 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	845 @deftypefn {} {@var{ans} =} input (@var{prompt})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	846 @deftypefnx {} {@var{ans} =} input (@var{prompt}, "s")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	847 Print @var{prompt} and wait for user input.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	848
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	849 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	850
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	851 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	852 input ("Pick a number, any number! ")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	853 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	854
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	855 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	856 prints the prompt
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	857
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	858 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	859 Pick a number, any number!
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	860 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	861
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	862 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	863 and waits for the user to enter a value. The string entered by the user
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	864 is evaluated as an expression, so it may be a literal constant, a variable
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	865 name, or any other valid Octave code.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	866
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	867 The number of return arguments, their size, and their class depend on the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	868 expression entered.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	869
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	870 If you are only interested in getting a literal string value, you can call
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	871 @code{input} with the character string @qcode{"s"} as the second argument.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	872 This tells Octave to return the string entered by the user directly, without
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	873 evaluating it first.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	874
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	875 Because there may be output waiting to be displayed by the pager, it is a
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	876 good idea to always call @code{fflush (stdout)} before calling @code{input}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	877 This will ensure that all pending output is written to the screen before
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	878 your prompt.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	879 @seealso{yes_or_no, kbhit, pause, menu, listdlg}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	880 @end deftypefn */)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	881 {
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	882 int nargin = args.length ();
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	883
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	884 if (nargin < 1 \|\| nargin > 2)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	885 print_usage ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	886
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	887 return get_user_input (args, std::max (nargout, 1));
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	888 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	889
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	890 bool
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	891 octave_yes_or_no (const std::string& prompt)
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	892 {
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	893 std::string prompt_string = prompt + "(yes or no) ";
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	894
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	895 while (1)
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	896 {
16198 2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	897 bool eof = false;
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	898
2c5c538be353 clean up input.cc and eliminate ff_instream global variable John W. Eaton <jwe@octave.org> parents: 16195 diff changeset	899 std::string input_buf = interactive_input (prompt_string, eof);
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	900
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	901 if (input_buf == "yes")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	902 return true;
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	903 else if (input_buf == "no")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	904 return false;
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	905 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	906 message (0, "Please answer yes or no.");
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	907 }
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	908 }
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	909
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	910 DEFUN (yes_or_no, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	911 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	912 @deftypefn {} {@var{ans} =} yes_or_no ("@var{prompt}")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	913 Ask the user a yes-or-no question.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	914
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	915 Return logical true if the answer is yes or false if the answer is no.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	916
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	917 Takes one argument, @var{prompt}, which is the string to display when asking
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	918 the question. @var{prompt} should end in a space; @code{yes-or-no} adds the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	919 string @samp{(yes or no) } to it. The user must confirm the answer with
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	920 @key{RET} and can edit it until it has been confirmed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	921 @seealso{input}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	922 @end deftypefn */)
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	923 {
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	924 int nargin = args.length ();
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	925
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	926 if (nargin > 1)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	927 print_usage ();
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	928
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	929 std::string prompt;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	930
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	931 if (nargin == 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	932 prompt = args(0).xstring_value ("yes_or_no: PROMPT must be a string");
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	933
21127 df7891224709 maint: Use "return ovl (...)" in DEFUN macros. Rik <rik@octave.org> parents: 21100 diff changeset	934 return ovl (octave_yes_or_no (prompt));
5640 426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	935 }
426719471ac6 [project @ 2006-03-04 06:02:14 by jwe] jwe parents: 5388 diff changeset	936
3707 58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	937 octave_value
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	938 do_keyboard (const octave_value_list& args)
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	939 {
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	940 octave_value retval;
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	941
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	942 int nargin = args.length ();
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	943
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	944 assert (nargin == 0 \|\| nargin == 1);
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	945
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21730 diff changeset	946 octave::unwind_protect frame;
3707 58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	947
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	948 frame.add_fcn (octave::command_history::ignore_entries,
176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	949 octave::command_history::ignoring_entries ());
12989 00235a6446da eliminate duplication of internal variables controlling command history John W. Eaton <jwe@octave.org> parents: 12942 diff changeset	950
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	951 octave::command_history::ignore_entries (false);
3707 58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	952
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9999 diff changeset	953 frame.protect_var (Vdebugging);
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	954
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	955 frame.add_fcn (octave::call_stack::restore_frame,
f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	956 octave::call_stack::current_frame ());
3707 58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	957
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	958 // FIXME: probably we just want to print one line, not the
9484 bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9483 diff changeset	959 // entire statement, which might span many lines...
bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9483 diff changeset	960 //
bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9483 diff changeset	961 // tree_print_code tpc (octave_stdout);
bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9483 diff changeset	962 // stmt.accept (tpc);
bbe033dcfe13 make dbwhere work when called at keyboard prompt John W. Eaton <jwe@octave.org> parents: 9483 diff changeset	963
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	964 Vdebugging = true;
22164 5d4a286061c8 Track line numbers when in debug mode (bug #45764) Lachlan Andrew <lachlanbis@gmail.com> parents: 22094 diff changeset	965 Vtrack_line_num = false;
3707 58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	966
7787 6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	967 std::string prompt = "debug> ";
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	968 if (nargin > 0)
6b521b1e3631 Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input David Bateman <dbateman@free.fr> parents: 7758 diff changeset	969 prompt = args(0).string_value ();
4233 ccfdb55c8156 [project @ 2002-12-20 22:43:54 by jwe] jwe parents: 4208 diff changeset	970
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	971 get_debug_input (prompt);
3707 58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	972
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	973 return retval;
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	974 }
58140935c812 [project @ 2000-07-28 09:40:52 by jwe] jwe parents: 3566 diff changeset	975
1957 0e6a0a271998 [project @ 1996-02-15 01:08:15 by jwe] jwe parents: 1900 diff changeset	976 DEFUN (keyboard, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	977 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	978 @deftypefn {} {} keyboard ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	979 @deftypefnx {} {} keyboard ("@var{prompt}")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	980 Stop m-file execution and enter debug mode.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	981
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	982 When the @code{keyboard} function is executed, Octave prints a prompt and
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	983 waits for user input. The input strings are then evaluated and the results
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	984 are printed. This makes it possible to examine the values of variables
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	985 within a function, and to assign new values if necessary. To leave the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	986 prompt and return to normal execution type @samp{return} or @samp{dbcont}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	987 The @code{keyboard} function does not return an exit status.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	988
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	989 If @code{keyboard} is invoked without arguments, a default prompt of
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	990 @samp{debug> } is used.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	991 @seealso{dbstop, dbcont, dbquit}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	992 @end deftypefn */)
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	993 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20817 diff changeset	994 if (args.length () > 1)
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	995 print_usage ();
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	996
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21730 diff changeset	997 octave::unwind_protect frame;
9483 25c2e92ee03c correctly skip frame assigned to keyboard function John W. Eaton <jwe@octave.org> parents: 9482 diff changeset	998
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	999 frame.add_fcn (octave::call_stack::restore_frame,
f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	1000 octave::call_stack::current_frame ());
9483 25c2e92ee03c correctly skip frame assigned to keyboard function John W. Eaton <jwe@octave.org> parents: 9482 diff changeset	1001
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1002 // Skip the frame assigned to the keyboard function.
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	1003 octave::call_stack::goto_frame_relative (0);
10186 095a1e670e68 make dbstep work with keyboard function John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	1004
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22171 diff changeset	1005 octave::tree_evaluator::debug_mode = true;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22171 diff changeset	1006 octave::tree_evaluator::quiet_breakpoint_flag = false;
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1007
23052 f97e22a9012a move octave_call_stack inside octave namespace John W. Eaton <jwe@octave.org> parents: 22997 diff changeset	1008 octave::tree_evaluator::current_frame = octave::call_stack::current_frame ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1009
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1010 do_keyboard (args);
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1011
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1012 return ovl ();
529 7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1013 }
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe] jwe parents: 339 diff changeset	1014
8746 5dd06f19e9be handle commands in the lexer John W. Eaton <jwe@octave.org> parents: 8658 diff changeset	1015 DEFUN (echo, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1016 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1017 @deftypefn {} {} echo
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1018 @deftypefnx {} {} echo on
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1019 @deftypefnx {} {} echo off
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1020 @deftypefnx {} {} echo on all
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1021 @deftypefnx {} {} echo off all
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1022 Control whether commands are displayed as they are executed.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1023
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1024 Valid options are:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1025
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1026 @table @code
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1027 @item on
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1028 Enable echoing of commands as they are executed in script files.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1029
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1030 @item off
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1031 Disable echoing of commands as they are executed in script files.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1032
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1033 @item on all
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1034 Enable echoing of commands as they are executed in script files and
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1035 functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1036
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1037 @item off all
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1038 Disable echoing of commands as they are executed in script files and
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1039 functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1040 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1041
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1042 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1043 With no arguments, @code{echo} toggles the current echo state.
22982 aca714a80cfc doc: Add more sealso links between docstrings. Rik <rik@octave.org> parents: 22407 diff changeset	1044
aca714a80cfc doc: Add more sealso links between docstrings. Rik <rik@octave.org> parents: 22407 diff changeset	1045 @seealso{echo_executing_commands}
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1046 @end deftypefn */)
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1047 {
20996 20bd3d4fabad Clean up instances of make_argv(). Rik <rik@octave.org> parents: 20981 diff changeset	1048 string_vector argv = args.make_argv ();
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	1049
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20817 diff changeset	1050 switch (args.length ())
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1051 {
20817 3d551b2ae928 Use variable name nargin consistently in C++ code. Rik <rik@octave.org> parents: 20801 diff changeset	1052 case 0:
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1053 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1054 if ((Vecho_executing_commands & ECHO_SCRIPTS)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1055 \|\| (Vecho_executing_commands & ECHO_FUNCTIONS))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1056 Vecho_executing_commands = ECHO_OFF;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1057 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1058 Vecho_executing_commands = ECHO_SCRIPTS;
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1059 }
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1060 break;
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1061
20817 3d551b2ae928 Use variable name nargin consistently in C++ code. Rik <rik@octave.org> parents: 20801 diff changeset	1062 case 1:
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1063 {
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1064 std::string arg = argv[0];
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	1065
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1066 if (arg == "on")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1067 Vecho_executing_commands = ECHO_SCRIPTS;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1068 else if (arg == "off")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1069 Vecho_executing_commands = ECHO_OFF;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1070 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1071 print_usage ();
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1072 }
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1073 break;
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1074
20817 3d551b2ae928 Use variable name nargin consistently in C++ code. Rik <rik@octave.org> parents: 20801 diff changeset	1075 case 2:
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1076 {
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1077 std::string arg = argv[0];
1755 3a9462b655f1 [project @ 1996-01-22 04:47:22 by jwe] jwe parents: 1750 diff changeset	1078
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1079 if (arg == "on" && argv[1] == "all")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1080 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1081 int tmp = (ECHO_SCRIPTS \| ECHO_FUNCTIONS);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1082 Vecho_executing_commands = tmp;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1083 }
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1084 else if (arg == "off" && argv[1] == "all")
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1085 Vecho_executing_commands = ECHO_OFF;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1086 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1087 print_usage ();
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1088 }
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1089 break;
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1090
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1091 default:
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1092 print_usage ();
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1093 break;
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1094 }
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1095
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1096 return ovl ();
1588 27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1097 }
27f5ac98fc4a [project @ 1995-10-31 06:04:47 by jwe] jwe parents: 1569 diff changeset	1098
20239 48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1099 /*
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1100 %!test
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1101 %! state = echo_executing_commands ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1102 %! unwind_protect
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1103 %! echo ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1104 %! s1 = echo_executing_commands ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1105 %! assert (s1 != state);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1106 %! echo ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1107 %! s2 = echo_executing_commands ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1108 %! assert (s2 != s1);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1109 %! unwind_protect_cleanup
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1110 %! echo_executing_commands (state);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1111 %! end_unwind_protect
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1112
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1113 %!test
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1114 %! state = echo_executing_commands ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1115 %! unwind_protect
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1116 %! echo ("off");
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1117 %! assert (echo_executing_commands () == 0);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1118 %! echo ("on");
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1119 %! assert (echo_executing_commands () != 0);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1120 %! echo ("off");
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1121 %! assert (echo_executing_commands () == 0);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1122 %! unwind_protect_cleanup
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1123 %! echo_executing_commands (state);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1124 %! end_unwind_protect
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1125
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1126 %!#test # FIXME: This passes, but produces a lot of onscreen output
20239 48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1127 %! state = echo_executing_commands ();
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1128 %! unwind_protect
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1129 %! echo ("on", "all");
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1130 %! assert (echo_executing_commands () != 0);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1131 %! echo ("off", "all");
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1132 %! assert (echo_executing_commands () == 0);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1133 %! unwind_protect_cleanup
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1134 %! echo_executing_commands (state);
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1135 %! end_unwind_protect
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1136
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1137 %!error echo ([])
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1138 %!error echo (0)
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1139 %!error echo ("")
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1140 %!error echo ("Octave")
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1141 %!error echo ("off", "invalid")
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1142 %!error echo ("on", "invalid")
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1143 %!error echo ("on", "all", "all")
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1144 */
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1145
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1146 DEFUN (completion_matches, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1147 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1148 @deftypefn {} {} completion_matches (@var{hint})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1149 Generate possible completions given @var{hint}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1150
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1151 This function is provided for the benefit of programs like Emacs which
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1152 might be controlling Octave and handling user input. The current
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1153 command number is not incremented when this function is called. This is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1154 a feature, not a bug.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1155 @end deftypefn */)
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1156 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20817 diff changeset	1157 if (args.length () != 1)
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1158 print_usage ();
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1159
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1160 octave_value retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1161
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1162 std::string hint = args(0).string_value ();
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1163
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1164 int n = 32;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1165
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1166 string_vector list (n);
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1167
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1168 int k = 0;
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1169
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1170 for (;;)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1171 {
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1172 std::string cmd = generate_completion (hint, k);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1173
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1174 if (! cmd.empty ())
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1175 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1176 if (k == n)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1177 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1178 n *= 2;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1179 list.resize (n);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10186 diff changeset	1180 }
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1181
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1182 list[k++] = cmd;
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1183 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1184 else
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1185 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1186 list.resize (k);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1187 break;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1188 }
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1189 }
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1190
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1191 if (nargout > 0)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1192 {
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1193 if (! list.empty ())
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1194 retval = list;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1195 else
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1196 retval = "";
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1197 }
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1198 else
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1199 {
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1200 // We don't use string_vector::list_in_columns here
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1201 // because it will be easier for Emacs if the names
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1202 // appear in a single column.
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1203
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1204 int len = list.numel ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1205
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1206 for (int i = 0; i < len; i++)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1207 octave_stdout << list[i] << "\n";
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1208 }
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1209
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1210 octave_completion_matches_called = true;
2234 a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1211
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1212 return retval;
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1213 }
a174011c96f2 [project @ 1996-05-17 17:51:20 by jwe] jwe parents: 2205 diff changeset	1214
20239 48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1215 /*
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1216 %!assert (ischar (completion_matches ("")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1217 %!assert (ischar (completion_matches ("a")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1218 %!assert (ischar (completion_matches (" ")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1219 %!assert (isempty (completion_matches (" ")))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1220 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches (""))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1221 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("a"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1222 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("ab"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1223 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("abs"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1224 %!assert (! any (strcmp ("abs", deblank (cellstr (completion_matches ("absa"))))))
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1225
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1226 %!error completion_matches ()
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1227 %!error completion_matches (1, 2)
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1228 */
48284e32530b test: Add tests for 'echo' and 'completion_matches' builtins Mike Miller <mtmiller@octave.org> parents: 20232 diff changeset	1229
16879 cc3743a91652 Rename read_readline_init_file to readline_read_init_file. Rik <rik@octave.org> parents: 16816 diff changeset	1230 DEFUN (readline_read_init_file, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1231 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1232 @deftypefn {} {} readline_read_init_file (@var{file})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1233 Read the readline library initialization file @var{file}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1234
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1235 If @var{file} is omitted, read the default initialization file
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1236 (normally @file{~/.inputrc}).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1237
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1238 @xref{Readline Init File, , , readline, GNU Readline Library},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1239 for details.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1240 @seealso{readline_re_read_init_file}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1241 @end deftypefn */)
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1242 {
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1243 int nargin = args.length ();
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1244
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1245 if (nargin > 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1246 print_usage ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1247
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1248 if (nargin == 0)
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1249 octave::command_editor::read_init_file ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1250 else
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1251 {
5872 44f24cf66b95 [project @ 2006-06-30 18:19:20 by jwe] jwe parents: 5832 diff changeset	1252 std::string file = args(0).string_value ();
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1253
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1254 octave::command_editor::read_init_file (file);
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1255 }
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1256
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1257 return ovl ();
3189 bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1258 }
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe] jwe parents: 3180 diff changeset	1259
16880 1aebb613a5ac Rename re_read_readline_init_file to readline_re_read_init_file. Rik <rik@octave.org> parents: 16879 diff changeset	1260 DEFUN (readline_re_read_init_file, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1261 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1262 @deftypefn {} {} readline_re_read_init_file ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1263 Re-read the last readline library initialization file that was read.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1264
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1265 @xref{Readline Init File, , , readline, GNU Readline Library},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1266 for details.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1267 @seealso{readline_read_init_file}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1268 @end deftypefn */)
7758 8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1269 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1270 if (args.length () != 0)
7758 8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1271 print_usage ();
8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1272
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1273 octave::command_editor::re_read_init_file ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1274
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1275 return ovl ();
7758 8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1276 }
8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	1277
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1278 static int
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1279 internal_input_event_hook_fcn (void)
610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1280 {
16378 b28ae106e316 use class for lists of input hook functions John W. Eaton <jwe@octave.org> parents: 16374 diff changeset	1281 input_event_hook_functions.run ();
16349 610617eb84d1 provide pre- and post-input hook functions John W. Eaton <jwe@octave.org> parents: 16347 diff changeset	1282
16378 b28ae106e316 use class for lists of input hook functions John W. Eaton <jwe@octave.org> parents: 16374 diff changeset	1283 if (input_event_hook_functions.empty ())
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1284 octave::command_editor::remove_event_hook (internal_input_event_hook_fcn);
16152 c48847a781d5 * input.cc (input_event_hook): Return 0. John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	1285
c48847a781d5 * input.cc (input_event_hook): Return 0. John W. Eaton <jwe@octave.org> parents: 16151 diff changeset	1286 return 0;
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1287 }
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1288
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1289 DEFUN (add_input_event_hook, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1290 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1291 @deftypefn {} {@var{id} =} add_input_event_hook (@var{fcn})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1292 @deftypefnx {} {@var{id} =} add_input_event_hook (@var{fcn}, @var{data})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1293 Add the named function or function handle @var{fcn} to the list of functions
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1294 to call periodically when Octave is waiting for input.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1295
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1296 The function should have the form
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1297
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1298 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1299 @var{fcn} (@var{data})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1300 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1301
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1302 If @var{data} is omitted, Octave calls the function without any arguments.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1303
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1304 The returned identifier may be used to remove the function handle from the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1305 list of input hook functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1306 @seealso{remove_input_event_hook}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1307 @end deftypefn */)
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1308 {
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1309 int nargin = args.length ();
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1310
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1311 if (nargin < 1 \|\| nargin > 2)
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1312 print_usage ();
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1313
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1314 octave_value user_data;
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1315
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1316 if (nargin == 2)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1317 user_data = args(1);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1318
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1319 hook_function hook_fcn (args(0), user_data);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1320
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1321 if (input_event_hook_functions.empty ())
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1322 octave::command_editor::add_event_hook (internal_input_event_hook_fcn);
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1323
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1324 input_event_hook_functions.insert (hook_fcn.id (), hook_fcn);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1325
21127 df7891224709 maint: Use "return ovl (...)" in DEFUN macros. Rik <rik@octave.org> parents: 21100 diff changeset	1326 return ovl (hook_fcn.id ());
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1327 }
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1328
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1329 DEFUN (remove_input_event_hook, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1330 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1331 @deftypefn {} {} remove_input_event_hook (@var{name})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1332 @deftypefnx {} {} remove_input_event_hook (@var{fcn_id})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1333 Remove the named function or function handle with the given identifier
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1334 from the list of functions to call periodically when Octave is waiting
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1335 for input.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1336 @seealso{add_input_event_hook}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1337 @end deftypefn */)
9215 1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1338 {
1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1339 int nargin = args.length ();
1500d0197484 allow multiple input event hook functions to be installed simultaneously John W. Eaton <jwe@octave.org> parents: 9134 diff changeset	1340
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1341 if (nargin < 1 \|\| nargin > 2)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1342 print_usage ();
16347 bf8397caeff1 allow add_input_event_hook to accept function handles John W. Eaton <jwe@octave.org> parents: 16336 diff changeset	1343
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1344 std::string hook_fcn_id = args(0).string_value ("remove_input_event_hook: argument not valid as a hook function name or id");
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1345
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1346 bool warn = (nargin < 2);
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1347
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1348 hook_function_list::iterator p
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1349 = input_event_hook_functions.find (hook_fcn_id);
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1350
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1351 if (p != input_event_hook_functions.end ())
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1352 input_event_hook_functions.erase (p);
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1353 else if (warn)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1354 warning ("remove_input_event_hook: %s not found in list",
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1355 hook_fcn_id.c_str ());
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1356
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1357 if (input_event_hook_functions.empty ())
21748 176536b15d68 use namespace for command_editor and command_history classes John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	1358 octave::command_editor::remove_event_hook (internal_input_event_hook_fcn);
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1359
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1360 return ovl ();
3498 e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1361 }
e391aeef2b3c [project @ 2000-01-31 03:17:14 by jwe] jwe parents: 3484 diff changeset	1362
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1363 DEFUN (PS1, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1364 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1365 @deftypefn {} {@var{val} =} PS1 ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1366 @deftypefnx {} {@var{old_val} =} PS1 (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1367 @deftypefnx {} {} PS1 (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1368 Query or set the primary prompt string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1369
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1370 When executing interactively, Octave displays the primary prompt when it is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1371 ready to read a command.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1372
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1373 The default value of the primary prompt string is @qcode{"octave:\#> "}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1374 To change it, use a command like
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1375
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1376 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1377 PS1 ("\\u@@\\H> ")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1378 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1379
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1380 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1381 which will result in the prompt @samp{boris@@kremvax> } for the user
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1382 @samp{boris} logged in on the host @samp{kremvax.kgb.su}. Note that two
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1383 backslashes are required to enter a backslash into a double-quoted
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1384 character string. @xref{Strings}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1385
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1386 You can also use ANSI escape sequences if your terminal supports them.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1387 This can be useful for coloring the prompt. For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1388
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1389 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1390 PS1 ('\[\033[01;31m\]\s:\#> \[\033[0m\]')
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1391 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1392
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1393 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1394 will give the default Octave prompt a red coloring.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1395
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1396 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1397 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1398 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1399 @seealso{PS2, PS4}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1400 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1401 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1402 return SET_INTERNAL_VARIABLE (PS1);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1403 }
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1404
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1405 DEFUN (PS2, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1406 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1407 @deftypefn {} {@var{val} =} PS2 ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1408 @deftypefnx {} {@var{old_val} =} PS2 (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1409 @deftypefnx {} {} PS2 (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1410 Query or set the secondary prompt string.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1411
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1412 The secondary prompt is printed when Octave is expecting additional input to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1413 complete a command. For example, if you are typing a @code{for} loop that
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1414 spans several lines, Octave will print the secondary prompt at the beginning
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1415 of each line after the first. The default value of the secondary prompt
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1416 string is @qcode{"> "}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1417
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1418 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1419 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1420 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1421 @seealso{PS1, PS4}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1422 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1423 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1424 return SET_INTERNAL_VARIABLE (PS2);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1425 }
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1426
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1427 DEFUN (PS4, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1428 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1429 @deftypefn {} {@var{val} =} PS4 ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1430 @deftypefnx {} {@var{old_val} =} PS4 (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1431 @deftypefnx {} {} PS4 (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1432 Query or set the character string used to prefix output produced
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1433 when echoing commands is enabled.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1434
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1435 The default value is @qcode{"+ "}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1436 @xref{Diary and Echo Commands}, for a description of echoing commands.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1437
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1438 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1439 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1440 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1441 @seealso{echo, echo_executing_commands, PS1, PS2}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1442 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1443 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1444 return SET_INTERNAL_VARIABLE (PS4);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1445 }
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1446
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1447 DEFUN (completion_append_char, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1448 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1449 @deftypefn {} {@var{val} =} completion_append_char ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1450 @deftypefnx {} {@var{old_val} =} completion_append_char (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1451 @deftypefnx {} {} completion_append_char (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1452 Query or set the internal character variable that is appended to
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1453 successful command-line completion attempts.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1454
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1455 The default value is @qcode{" "} (a single space).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1456
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1457 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1458 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1459 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1460 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1461 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1462 return SET_INTERNAL_VARIABLE (completion_append_char);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1463 }
3019 92aa3d651723 [project @ 1997-06-03 22:07:16 by jwe] jwe parents: 3016 diff changeset	1464
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1465 DEFUN (echo_executing_commands, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1466 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1467 @deftypefn {} {@var{val} =} echo_executing_commands ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1468 @deftypefnx {} {@var{old_val} =} echo_executing_commands (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1469 @deftypefnx {} {} echo_executing_commands (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1470 Query or set the internal variable that controls the echo state.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1471
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1472 It may be the sum of the following values:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1473
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1474 @table @asis
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1475 @item 1
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1476 Echo commands read from script files.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1477
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1478 @item 2
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1479 Echo commands from functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1480
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1481 @item 4
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1482 Echo commands read from command line.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1483 @end table
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1484
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1485 More than one state can be active at once. For example, a value of 3 is
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1486 equivalent to the command @kbd{echo on all}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1487
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1488 The value of @code{echo_executing_commands} may be set by the @kbd{echo}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1489 command or the command line option @option{--echo-commands}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1490
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1491 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1492 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1493 The original variable value is restored when exiting the function.
22982 aca714a80cfc doc: Add more sealso links between docstrings. Rik <rik@octave.org> parents: 22407 diff changeset	1494
aca714a80cfc doc: Add more sealso links between docstrings. Rik <rik@octave.org> parents: 22407 diff changeset	1495 @seealso{echo}
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1496 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1497 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5775 diff changeset	1498 return SET_INTERNAL_VARIABLE (echo_executing_commands);
2181 138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1499 }
138b3c98dc85 [project @ 1996-05-13 18:02:31 by jwe] jwe parents: 2114 diff changeset	1500
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1501 DEFUN (__request_drawnow__, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1502 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1503 @deftypefn {} {} __request_drawnow__ ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1504 @deftypefnx {} {} __request_drawnow__ (@var{flag})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1505 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1506 @end deftypefn */)
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1507 {
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1508 int nargin = args.length ();
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1509
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1510 if (nargin > 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1511 print_usage ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1512
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1513 if (nargin == 0)
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1514 Vdrawnow_requested = true;
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1515 else
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1516 Vdrawnow_requested = args(0).bool_value ();
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1517
20941 a4f5da7c5463 maint: Replace "octave_value_list ()" with "ovl ()". Rik <rik@octave.org> parents: 20940 diff changeset	1518 return ovl ();
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1519 }
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6206 diff changeset	1520
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1521 DEFUN (__gud_mode__, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1522 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1523 @deftypefn {} {} __gud_mode__ ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1524 Undocumented internal function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1525 @end deftypefn */)
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1526 {
fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1527 int nargin = args.length ();
fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1528
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1529 if (nargin > 1)
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1530 print_usage ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1531
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1532 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1533
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1534 if (nargin == 0)
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1535 retval = ovl (Vgud_mode);
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	1536 else
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1537 Vgud_mode = args(0).bool_value ();
fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1538
21006 ea779f11deae strip trailing whitespace from files John W. Eaton <jwe@octave.org> parents: 20996 diff changeset	1539 return retval;
7294 fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1540 }
fb902b3b2a5d [project @ 2007-12-11 18:55:46 by jwe] jwe parents: 7097 diff changeset	1541
7818 5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1542 DEFUN (filemarker, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1543 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1544 @deftypefn {} {@var{val} =} filemarker ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1545 @deftypefnx {} {@var{old_val} =} filemarker (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1546 @deftypefnx {} {} filemarker (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1547 Query or set the character used to separate the filename from the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1548 subfunction names contained within the file.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1549
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1550 By default this is the character @samp{>}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1551 This can be used in a generic manner to interact with subfunctions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1552 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1553
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1554 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1555 help (["myfunc", filemarker, "mysubfunc"])
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1556 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1557
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1558 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1559 returns the help string associated with the subfunction @code{mysubfunc}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1560 located in the file @file{myfunc.m}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1561
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1562 @code{filemarker} is also useful during debugging for placing breakpoints
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1563 within subfunctions or nested functions.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1564 For example,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1565
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1566 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1567 dbstop (["myfunc", filemarker, "mysubfunc"])
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1568 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1569
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1570 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1571 will set a breakpoint at the first line of the subfunction @code{mysubfunc}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1572
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1573 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1574 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1575 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21920 diff changeset	1576 @end deftypefn */)
7818 5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1577 {
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1578 char tmp = Vfilemarker;
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1579 octave_value retval = SET_INTERNAL_VARIABLE (filemarker);
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1580
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1581 // The character passed must not be a legal character for a function name
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20239 diff changeset	1582 if (::isalnum (Vfilemarker) \|\| Vfilemarker == '_')
7818 5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1583 {
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1584 Vfilemarker = tmp;
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1585 error ("filemarker: character can not be a valid character for a function name");
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1586 }
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1587
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1588 return retval;
5640a70cbab1 Add Ffilemarker and fix for 'dbstep in' David Bateman <dbateman@free.fr> parents: 7787 diff changeset	1589 }
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22327 diff changeset	1590

Mercurial > octave

annotate libinterp/corefcn/input.cc @ 23061:aedc662896a3