octave: src/toplev.h annotate

annotate src/toplev.h @ 9383:d57f0c56195f

improve error handling

author	Jaroslav Hajek <highegg@gmail.com>
date	Tue, 23 Jun 2009 15:48:40 +0200
parents	1c2d2c9f4a8d
children	17af7cce7d1b

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,
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8013 diff changeset	4 2003, 2004, 2005, 2006, 2007, 2008 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
9217 ee7cf4d963f3 smarter handling of quit() Jaroslav Hajek <highegg@gmail.com> parents: 9144 diff changeset	40 #include "quit.h"
ee7cf4d963f3 smarter handling of quit() Jaroslav Hajek <highegg@gmail.com> parents: 9144 diff changeset	41
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	42 #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	43 #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	44
9217 ee7cf4d963f3 smarter handling of quit() Jaroslav Hajek <highegg@gmail.com> parents: 9144 diff changeset	45
9221 659657942ba6 declare octave_exit using a typedef Jaroslav Hajek <highegg@gmail.com> parents: 9218 diff changeset	46 typedef void (*octave_exit_func) (int);
659657942ba6 declare octave_exit using a typedef Jaroslav Hajek <highegg@gmail.com> parents: 9218 diff changeset	47 extern OCTINTERP_API octave_exit_func octave_exit;
9217 ee7cf4d963f3 smarter handling of quit() Jaroslav Hajek <highegg@gmail.com> parents: 9144 diff changeset	48
9255 1c2d2c9f4a8d don't allow quit() in embedded mode by default, make configurable Jaroslav Hajek <highegg@gmail.com> parents: 9247 diff changeset	49 extern OCTINTERP_API bool quit_allowed;
1c2d2c9f4a8d don't allow quit() in embedded mode by default, make configurable Jaroslav Hajek <highegg@gmail.com> parents: 9247 diff changeset	50
9383 d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9255 diff changeset	51 extern OCTINTERP_API bool quitting_gracefully;
d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9255 diff changeset	52
d57f0c56195f improve error handling Jaroslav Hajek <highegg@gmail.com> parents: 9255 diff changeset	53 extern OCTINTERP_API int exit_status;
9217 ee7cf4d963f3 smarter handling of quit() Jaroslav Hajek <highegg@gmail.com> parents: 9144 diff changeset	54
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	55 extern OCTINTERP_API void
9217 ee7cf4d963f3 smarter handling of quit() Jaroslav Hajek <highegg@gmail.com> parents: 9144 diff changeset	56 clean_up_and_exit (int);
574 a10f1c8ab10f [project @ 1994-07-29 18:29:13 by jwe] jwe parents: 383 diff changeset	57
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	58 extern OCTINTERP_API void recover_from_exception (void);
7202 ffdbdf53665c [project @ 2007-11-27 20:14:41 by jwe] jwe parents: 7185 diff changeset	59
9247 b2790fd23800 More export symbols to allow usage from an IDE. Michael Goffioul <michael.goffioul@gmail.com> parents: 9237 diff changeset	60 extern OCTINTERP_API int main_loop (void);
1907 8c6cea97eb80 [project @ 1996-02-10 01:12:46 by jwe] jwe parents: 1884 diff changeset	61
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	62 extern OCTINTERP_API void
2796 74bc1ede3c3d [project @ 1997-03-07 06:55:47 by jwe] jwe parents: 2440 diff changeset	63 do_octave_atexit (void);
2077 2d03b8eb891d [project @ 1996-04-24 00:21:21 by jwe] jwe parents: 1996 diff changeset	64
7409 73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	65 extern OCTINTERP_API void
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	66 octave_add_atexit_function (const std::string& fname);
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	67
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	68 extern OCTINTERP_API bool
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	69 octave_remove_atexit_function (const std::string& fname);
73036cdd855d [project @ 2008-01-22 20:31:59 by jwe] jwe parents: 7250 diff changeset	70
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	71 // Current command to execute.
7250 0ff0883fb121 [project @ 2007-12-04 18:12:32 by jwe] jwe parents: 7202 diff changeset	72 extern OCTINTERP_API tree_statement_list *global_command;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	73
4217 301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	74 // 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	75 // is ready for interactive use.
7185 83cbff53bc96 [project @ 2007-11-26 18:53:54 by jwe] jwe parents: 7017 diff changeset	76 extern OCTINTERP_API bool octave_interpreter_ready;
4217 301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	77
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 3834 diff changeset	78 // 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	79 extern OCTINTERP_API bool octave_initialized;
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 3834 diff changeset	80
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	81 class
9237 3c1762c7e787 Add missing xxx_API decoration and remove misplaced ones Michael Goffioul <michael.goffioul@gmail.com> parents: 9221 diff changeset	82 OCTINTERP_API
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	83 octave_call_stack
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	84 {
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	85 private:
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	86
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	87 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	88 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	89 call_stack_elt (octave_function *f, symbol_table::scope_id s,
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	90 symbol_table::context_id c, size_t p = 0)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	91 : fcn (f), stmt (0), scope (s), context (c), prev (p) { }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	92
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	93 call_stack_elt (const call_stack_elt& elt)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	94 : fcn (elt.fcn), stmt (elt.stmt), scope (elt.scope),
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	95 context (elt.context), prev (elt.prev) { }
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	96
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	97 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	98 tree_statement *stmt;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	99 symbol_table::scope_id scope;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	100 symbol_table::context_id context;
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	101 size_t prev;
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	102 };
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	103
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	104 protected:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	105
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	106 octave_call_stack (void) : cs (), curr_frame (0) { }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	107
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	108 public:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	109
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	110 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	111 typedef std::deque<call_stack_elt>::const_iterator const_iterator;
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	112
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	113 typedef std::deque<call_stack_elt>::reverse_iterator reverse_iterator;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	114 typedef std::deque<call_stack_elt>::const_reverse_iterator const_reverse_iterator;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	115
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	116 static bool instance_ok (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	117 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	118 bool retval = true;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	119
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	120 if (! instance)
7912 75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	121 {
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	122 instance = new octave_call_stack ();
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	123
7912 75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	124 if (instance)
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	125 instance->do_push (0, symbol_table::top_scope (), 0);
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	126 else
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	127 {
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	128 ::error ("unable to create call stack object!");
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	129
7912 75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	130 retval = false;
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	131 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	132 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	133
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	134 return retval;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	135 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	136
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	137 // Current function (top of stack).
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	138 static octave_function *current (void) { return top (); }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	139
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	140 // 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	141 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	142
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	143 // 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	144 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	145 {
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	146 return instance_ok () ? instance->do_current_line () : -1;
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	147 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	148
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	149 // 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	150 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	151 {
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	152 return instance_ok () ? instance->do_current_column () : -1;
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	153 }
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	154
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	155 // Line in user code caller.
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	156 static int caller_user_code_line (void)
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	157 {
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	158 return instance_ok () ? instance->do_caller_user_code_line () : -1;
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	159 }
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	160
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	161 // Column in user code caller.
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	162 static int caller_user_code_column (void)
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	163 {
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	164 return instance_ok () ? instance->do_caller_user_code_column () : -1;
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	165 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	166
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	167 // Caller function, may be built-in.
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	168 static octave_function *caller (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	169 {
7942 db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	170 return instance_ok () ? instance->do_caller () : 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	171 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	172
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	173 static size_t current_frame (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	174 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	175 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	176 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	177
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	178 static size_t size (void)
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	179 {
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	180 return instance_ok () ? instance->do_size () : 0;
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	181 }
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	182
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	183 static size_t num_user_code_frames (octave_idx_type& curr_user_frame)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	184 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	185 return instance_ok ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	186 ? instance->do_num_user_code_frames (curr_user_frame) : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	187 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	188
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	189 static symbol_table::scope_id current_scope (void)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	190 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	191 return instance_ok () ? instance->do_current_scope () : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	192 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	193
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	194 static symbol_table::context_id current_context (void)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	195 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	196 return instance_ok () ? instance->do_current_context () : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	197 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	198
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	199 // 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	200 // be built-in.
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	201 static octave_function *element (size_t n)
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	202 {
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	203 return instance_ok () ? instance->do_element (n) : 0;
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	204 }
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	205
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	206 // First user-defined function on the stack.
c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	207 static octave_user_code *caller_user_code (size_t nskip = 0)
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	208 {
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	209 return instance_ok () ? instance->do_caller_user_code (nskip) : 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	210 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	211
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	212 static void
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	213 push (octave_function *f,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	214 symbol_table::scope_id scope = symbol_table::current_scope (),
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	215 symbol_table::context_id context = symbol_table::current_context ())
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	216 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	217 if (instance_ok ())
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	218 instance->do_push (f, scope, context);
5743 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
9144 c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	221 static void
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	222 push (symbol_table::scope_id scope = symbol_table::current_scope (),
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	223 symbol_table::context_id context = symbol_table::current_context ())
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	224 {
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	225 if (instance_ok ())
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	226 instance->do_push (0, scope, context);
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	227 }
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	228
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	229 static octave_function *top (void)
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	230 {
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	231 return instance_ok () ? instance->do_top (): 0;
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	232 }
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	233
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	234 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	235 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	236 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	237 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	238
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	239 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	240 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	241 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	242 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	243 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	244
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	245 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	246 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	247 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	248 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	249
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	250 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	251 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	252 return instance_ok ()
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	253 ? 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	254 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	255
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	256 static void goto_caller_frame (void)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	257 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	258 if (instance_ok ())
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	259 instance->do_goto_caller_frame ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	260 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	261
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	262 static void goto_base_frame (void)
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	263 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	264 if (instance_ok ())
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	265 instance->do_goto_base_frame ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	266 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	267
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	268 static Octave_map backtrace (size_t nskip, octave_idx_type& curr_user_frame)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	269 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	270 return instance_ok ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	271 ? instance->do_backtrace (nskip, curr_user_frame) : 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	272 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	273
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	274 static void pop (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	275 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	276 if (instance_ok ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	277 instance->do_pop ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	278 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	279
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	280 // 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	281 // for use as an unwind_protect handler.
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	282 static void unwind_pop (void *) { pop (); }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	283
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	284 static void clear (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	285 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	286 if (instance_ok ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	287 instance->do_clear ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	288 }
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	289
8013 b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	290 static void backtrace_error_message (void)
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	291 {
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	292 if (instance_ok ())
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	293 instance->do_backtrace_error_message ();
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	294 }
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	295
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	296 private:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	297
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	298 // 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	299 std::deque<call_stack_elt> cs;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	300
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	301 size_t curr_frame;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	302
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	303 static octave_call_stack *instance;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	304
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	305 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	306
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	307 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	308
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	309 int do_caller_user_code_line (void) const;
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	310
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	311 int do_caller_user_code_column (void) const;
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	312
7942 db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	313 octave_function *do_caller (void) const
db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	314 {
db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	315 return curr_frame > 1 ? cs[curr_frame-1].fcn : cs[0].fcn;
db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	316 }
db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	317
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	318 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	319
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	320 size_t do_size (void) { return cs.size (); }
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	321
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	322 size_t do_num_user_code_frames (octave_idx_type& curr_user_frame) const;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	323
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	324 symbol_table::scope_id do_current_scope (void) const
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	325 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	326 return curr_frame > 0 && curr_frame < cs.size ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	327 ? cs[curr_frame].scope : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	328 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	329
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	330 symbol_table::context_id do_current_context (void) const
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	331 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	332 return curr_frame > 0 && curr_frame < cs.size ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	333 ? cs[curr_frame].context : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	334 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	335
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	336 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	337 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	338 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	339
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	340 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	341 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	342 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	343 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	344 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	345
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	346 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	347 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	348
7923 c3d21b9b94b6 eliminate octave_call_stack member functions caller_user_script and caller_user_function, and unused difference_type args John W. Eaton <jwe@octave.org> parents: 7912 diff changeset	349 octave_user_code *do_caller_user_code (size_t nskip) const;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	350
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	351 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	352 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	353 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	354 size_t prev_frame = curr_frame;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	355 curr_frame = cs.size ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	356 cs.push_back (call_stack_elt (f, scope, context, prev_frame));
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	357 symbol_table::set_scope_and_context (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	358 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	359
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	360 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	361 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	362 octave_function *retval = 0;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	363
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	364 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	365 {
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	366 const call_stack_elt& elt = cs.back ();
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	367 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	368 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	369
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	370 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	371 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	372
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	373 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	374 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	375 tree_statement *retval = 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	376
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	377 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	378 {
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	379 const call_stack_elt& elt = cs.back ();
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	380 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	381 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	382
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	383 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	384 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	385
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	386 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	387 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	388 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	389 {
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	390 call_stack_elt& elt = cs.back ();
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	391 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	392 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	393 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	394
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	395 Octave_map do_backtrace (size_t nskip,
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	396 octave_idx_type& curr_user_frame) const;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	397
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	398 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	399
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	400 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	401
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	402 void do_goto_caller_frame (void);
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	403
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	404 void do_goto_base_frame (void);
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	405
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	406 void do_pop (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	407 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	408 if (cs.size () > 1)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	409 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	410 const call_stack_elt& elt = cs.back ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	411 curr_frame = elt.prev;
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	412 cs.pop_back ();
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	413 const call_stack_elt& new_elt = cs[curr_frame];
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	414 symbol_table::set_scope_and_context (new_elt.scope, new_elt.context);
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	415 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	416 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	417
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	418 void do_clear (void) { cs.clear (); }
8011 3100283874d7 improve backtrace error messages John W. Eaton <jwe@octave.org> parents: 7968 diff changeset	419
8013 b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	420 void do_backtrace_error_message (void) const;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	421 };
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	422
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	423 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	424
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	425 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	426 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	427 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	428 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	429 */

Mercurial > octave

annotate src/toplev.h @ 9383:d57f0c56195f