octave: src/toplev.h annotate

annotate src/toplev.h @ 7752:40c428ea3408

initial implementation of dbup and dbdown

author	John W. Eaton <jwe@octave.org>
date	Sun, 04 May 2008 03:42:19 -0400
parents	a059b5679fbb
children	6b521b1e3631

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
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002,
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	4 2003, 2004, 2005, 2006, 2007 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5744 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5744 diff changeset	11 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	18 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: 5744 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5744 diff changeset	20 <http://www.gnu.org/licenses/>.
1 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 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	23
1670 6708c53892c1 [project @ 1995-12-27 04:33:00 by jwe] jwe parents: 1613 diff changeset	24 #if !defined (octave_toplev_h)
6708c53892c1 [project @ 1995-12-27 04:33:00 by jwe] jwe parents: 1613 diff changeset	25 #define octave_toplev_h 1
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26
1355 94697d007075 [project @ 1995-09-05 20:04:15 by jwe] jwe parents: 1315 diff changeset	27 #include <cstdio>
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	29 #include <deque>
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3216 diff changeset	30 #include <string>
d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3216 diff changeset	31
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 2077 diff changeset	32 class octave_value;
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2440 diff changeset	33 class octave_value_list;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	34 class octave_function;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	35 class octave_user_script;
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	36 class tree_statement;
578 d169be9237fb [project @ 1994-08-03 20:06:54 by jwe] jwe parents: 574 diff changeset	37 class tree_statement_list;
1572 0d9e10d10bd7 [project @ 1995-10-19 04:31:30 by jwe] jwe parents: 1516 diff changeset	38 class charMatrix;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	39
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	40 #include "input.h"
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	41 #include "oct-map.h"
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	42
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	43 extern OCTINTERP_API void
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2440 diff changeset	44 clean_up_and_exit (int) GCC_ATTR_NORETURN;
574 a10f1c8ab10f [project @ 1994-07-29 18:29:13 by jwe] jwe parents: 383 diff changeset	45
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	46 extern OCTINTERP_API void recover_from_exception (void);
7202 ffdbdf53665c [project @ 2007-11-27 20:14:41 by jwe] jwe parents: 7185 diff changeset	47
5189 85b315ad5f7d [project @ 2005-03-04 02:46:08 by jwe] jwe parents: 4975 diff changeset	48 extern int main_loop (void);
1907 8c6cea97eb80 [project @ 1996-02-10 01:12:46 by jwe] jwe parents: 1884 diff changeset	49
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	50 extern OCTINTERP_API void
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2440 diff changeset	51 do_octave_atexit (void);
2077 2d03b8eb891d [project @ 1996-04-24 00:21:21 by jwe] jwe parents: 1996 diff changeset	52
7409 73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	53 extern OCTINTERP_API void
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	54 octave_add_atexit_function (const std::string& fname);
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	55
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	56 extern OCTINTERP_API bool
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	57 octave_remove_atexit_function (const std::string& fname);
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	58
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	59 // Current command to execute.
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	60 extern OCTINTERP_API tree_statement_list *global_command;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	61
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4217 diff changeset	62 // Pointer to parent function that is currently being evaluated.
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	63 extern OCTINTERP_API octave_function *curr_parent_function;
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4217 diff changeset	64
4217 301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	65 // TRUE means we are ready to interpret commands, but not everything
301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	66 // is ready for interactive use.
7185 83cbff53bc96 [project @ 2007-11-26 18:53:54 by jwe] jwe parents: 7017 diff changeset	67 extern OCTINTERP_API bool octave_interpreter_ready;
4217 301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	68
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 3834 diff changeset	69 // TRUE means we've processed all the init code and we are good to go.
7185 83cbff53bc96 [project @ 2007-11-26 18:53:54 by jwe] jwe parents: 7017 diff changeset	70 extern OCTINTERP_API bool octave_initialized;
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 3834 diff changeset	71
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	72 class
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	73 octave_call_stack
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	74 {
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	75 private:
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	76
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	77 struct call_stack_elt
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	78 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	79 call_stack_elt (octave_function *f, symbol_table::scope_id s,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	80 symbol_table::context_id c)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	81 : fcn (f), stmt (0), scope (s), context (c) { }
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	82
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	83 octave_function *fcn;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	84 tree_statement *stmt;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	85 symbol_table::scope_id scope;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	86 symbol_table::context_id context;
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	87 };
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	88
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	89 protected:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	90
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	91 octave_call_stack (void) : cs (), curr_frame (0) { }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	92
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	93 public:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	94
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	95 typedef std::deque<call_stack_elt>::iterator iterator;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	96 typedef std::deque<call_stack_elt>::const_iterator const_iterator;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	97
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	98 static bool instance_ok (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	99 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	100 bool retval = true;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	101
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	102 if (! instance)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	103 instance = new octave_call_stack ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	104
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	105 if (! instance)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	106 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	107 ::error ("unable to create call stack object!");
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	108
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	109 retval = false;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	110 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	111
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	112 return retval;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	113 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	114
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	115 // Current function (top of stack).
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	116 static octave_function *current (void) { return top (); }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	117
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	118 // Current statement (top of stack).
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	119 static tree_statement *current_statement (void) { return top_statement (); }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	120
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	121 // Current line in current function.
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	122 static int current_line (void)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	123 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	124 return instance_ok () ? instance->do_current_line () : 0;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	125 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	126
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	127 // Current column in current function.
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	128 static int current_column (void)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	129 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	130 return instance_ok () ? instance->do_current_column () : 0;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	131 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	132
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	133 // Caller function, may be built-in.
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	134 static octave_function *caller (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	135 {
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	136 return element (1);
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	137 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	138
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	139 static size_t current_frame (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	140 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	141 return instance_ok () ? instance->do_current_frame () : 0;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	142 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	143
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	144 // Function at location N on the call stack (N == 0 is current), may
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	145 // be built-in.
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	146 static octave_function *element (size_t n)
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	147 {
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	148 return instance_ok () ? instance->do_element (n) : 0;
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	149 }
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	150
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	151 // First script on the stack.
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	152 static octave_user_script *caller_script (void)
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	153 {
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	154 return instance_ok () ? instance->do_caller_user_script () : 0;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	155 }
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	156
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	157 // First user-defined function on the stack.
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	158 static octave_user_function *caller_user_function (void)
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	159 {
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	160 return instance_ok () ? instance->do_caller_user_function () : 0;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	161 }
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	162
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	163 // First user-defined function on the stack.
7719 87eda1f8faaa octave_user_code: new base class for octave_user_script and octave_user_function John W. Eaton <jwe@octave.org> parents: 7552 diff changeset	164 static octave_user_code *caller_user_code (void)
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	165 {
7719 87eda1f8faaa octave_user_code: new base class for octave_user_script and octave_user_function John W. Eaton <jwe@octave.org> parents: 7552 diff changeset	166 return instance_ok () ? instance->do_caller_user_code () : 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	167 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	168
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	169 static void
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	170 push (octave_function *f,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	171 symbol_table::scope_id scope = symbol_table::current_scope (),
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	172 symbol_table::context_id context = 0)
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	173 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	174 if (instance_ok ())
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	175 instance->do_push (f, scope, context);
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	176 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	177
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	178 static octave_function *top (void)
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	179 {
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	180 return instance_ok () ? instance->do_top (): 0;
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	181 }
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	182
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	183 static tree_statement *top_statement (void)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	184 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	185 return instance_ok () ? instance->do_top_statement (): 0;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	186 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	187
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	188 static void set_statement (tree_statement *s)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	189 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	190 if (instance_ok ())
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	191 instance->do_set_statement (s);
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	192 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	193
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	194 static bool goto_frame (size_t n = 0, bool verbose = false)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	195 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	196 return instance_ok () ? instance->do_goto_frame (n, verbose) : false;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	197 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	198
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	199 static bool goto_frame_relative (int n, bool verbose = false)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	200 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	201 return instance_ok ()
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	202 ? instance->do_goto_frame_relative (n, verbose) : false;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	203 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	204
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	205 static Octave_map backtrace (int n = 0)
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	206 {
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	207 return instance_ok () ? instance->do_backtrace (n) : Octave_map ();
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	208 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	209
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	210 static void pop (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	211 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	212 if (instance_ok ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	213 instance->do_pop ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	214 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	215
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	216 // A function for popping the top of the call stack that is suitable
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	217 // for use as an unwind_protect handler.
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	218 static void unwind_pop (void *) { pop (); }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	219
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	220 static void clear (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	221 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	222 if (instance_ok ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	223 instance->do_clear ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	224 }
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	225
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	226 private:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	227
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	228 // The current call stack.
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	229 std::deque<call_stack_elt> cs;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	230
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	231 size_t curr_frame;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	232
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	233 static octave_call_stack *instance;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	234
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	235 int do_current_line (void) const;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	236
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	237 int do_current_column (void) const;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	238
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	239 size_t do_current_frame (void) { return curr_frame; }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	240
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	241 octave_function *do_element (size_t n)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	242 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	243 octave_function *retval = 0;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	244
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	245 if (cs.size () > n)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	246 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	247 call_stack_elt& elt = cs[n];
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	248 retval = elt.fcn;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	249 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	250
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	251 return retval;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	252 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	253
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	254 octave_user_script *do_caller_user_script (void) const;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	255
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	256 octave_user_function *do_caller_user_function (void) const;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	257
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	258 octave_user_code *do_caller_user_code (void) const;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	259
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	260 void do_push (octave_function *f, symbol_table::scope_id scope,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	261 symbol_table::context_id context)
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	262 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	263 if (Vdebugging)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	264 curr_frame++;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	265
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	266 cs.push_front (call_stack_elt (f, scope, context));
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	267 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	268
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	269 octave_function *do_top (void) const
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	270 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	271 octave_function *retval = 0;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	272
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	273 if (! cs.empty ())
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	274 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	275 const call_stack_elt& elt = cs.front ();
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	276 retval = elt.fcn;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	277 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	278
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	279 return retval;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	280 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	281
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	282 tree_statement *do_top_statement (void) const
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	283 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	284 tree_statement *retval = 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	285
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	286 if (! cs.empty ())
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	287 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	288 const call_stack_elt& elt = cs.front ();
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	289 retval = elt.stmt;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	290 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	291
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	292 return retval;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	293 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	294
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	295 void do_set_statement (tree_statement *s)
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	296 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	297 if (! cs.empty ())
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	298 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	299 call_stack_elt& elt = cs.front ();
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	300 elt.stmt = s;
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	301 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	302 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	303
7736 a059b5679fbb implement dbstack John W. Eaton <jwe@octave.org> parents: 7734 diff changeset	304 Octave_map do_backtrace (int n) const;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	305
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	306 bool do_goto_frame (size_t n, bool verbose);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	307
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	308 bool do_goto_frame_relative (int n, bool verbose);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	309
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	310 void do_pop (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	311 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	312 if (! cs.empty ())
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	313 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	314 if (Vdebugging)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	315 curr_frame--;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	316
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	317 cs.pop_front ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	318 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	319 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	320
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	321 void do_clear (void) { cs.clear (); }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	322 };
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	323
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	324 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	325
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	326 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	327 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	328 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	329 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	330 */

Mercurial > octave

annotate src/toplev.h @ 7752:40c428ea3408