octave-nkf: src/toplev.h annotate

annotate src/toplev.h @ 9144:c6463412aebb

eliminate symbol_table::scope_stack; fix scoping issue with evalin

author	John W. Eaton <jwe@octave.org>
date	Tue, 21 Apr 2009 15:39:57 -0400
parents	eb63fbe60fab
children	ee7cf4d963f3

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
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
4217 301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	62 // 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	63 // is ready for interactive use.
7185 83cbff53bc96 [project @ 2007-11-26 18:53:54 by jwe] jwe parents: 7017 diff changeset	64 extern OCTINTERP_API bool octave_interpreter_ready;
4217 301cc4cf87e9 [project @ 2002-12-05 03:33:01 by jwe] jwe parents: 4172 diff changeset	65
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 3834 diff changeset	66 // 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	67 extern OCTINTERP_API bool octave_initialized;
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 3834 diff changeset	68
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	69 class
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	70 octave_call_stack
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	71 {
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	72 private:
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	73
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	74 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	75 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	76 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	77 symbol_table::context_id c, size_t p = 0)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	78 : fcn (f), stmt (0), scope (s), context (c), prev (p) { }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	79
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	80 call_stack_elt (const call_stack_elt& elt)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	81 : fcn (elt.fcn), stmt (elt.stmt), scope (elt.scope),
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	82 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	83
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	84 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	85 tree_statement *stmt;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	86 symbol_table::scope_id scope;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	87 symbol_table::context_id context;
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	88 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	89 };
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	90
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	91 protected:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	92
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	93 octave_call_stack (void) : cs (), curr_frame (0) { }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	94
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	95 public:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	96
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	97 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	98 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	99
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	100 typedef std::deque<call_stack_elt>::reverse_iterator reverse_iterator;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	101 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	102
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	103 static bool instance_ok (void)
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 bool retval = true;
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 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	108 {
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	109 instance = new octave_call_stack ();
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	110
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	111 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	112 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	113 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	114 {
75df1f0b4c9d toplev.h (octave_call_stack::instance_ok): push top scope when creating instance John W. Eaton <jwe@octave.org> parents: 7901 diff changeset	115 ::error ("unable to create call stack object!");
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	116
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	117 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	118 }
5743 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
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	121 return retval;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	122 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	123
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	124 // Current function (top of stack).
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	125 static octave_function *current (void) { return top (); }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	126
7734 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 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	128 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	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 // 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	131 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	132 {
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	133 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	134 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	135
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	136 // 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	137 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	138 {
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	139 return instance_ok () ? instance->do_current_column () : -1;
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	140 }
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	141
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	142 // 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	143 static int caller_user_code_line (void)
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	144 {
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	145 return instance_ok () ? instance->do_caller_user_code_line () : -1;
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	146 }
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	147
59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	148 // 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	149 static int caller_user_code_column (void)
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	150 {
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	151 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	152 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	153
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	154 // Caller function, may be built-in.
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	155 static octave_function *caller (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	156 {
7942 db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	157 return instance_ok () ? instance->do_caller () : 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	158 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	159
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	160 static size_t current_frame (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	161 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	162 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	163 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	164
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	165 static size_t size (void)
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	166 {
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	167 return instance_ok () ? instance->do_size () : 0;
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	168 }
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	169
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	170 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	171 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	172 return instance_ok ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	173 ? instance->do_num_user_code_frames (curr_user_frame) : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	174 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	175
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	176 static symbol_table::scope_id current_scope (void)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	177 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	178 return instance_ok () ? instance->do_current_scope () : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	179 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	180
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	181 static symbol_table::context_id current_context (void)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	182 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	183 return instance_ok () ? instance->do_current_context () : 0;
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
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	186 // 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	187 // be built-in.
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	188 static octave_function *element (size_t n)
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	189 {
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	190 return instance_ok () ? instance->do_element (n) : 0;
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	191 }
6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	192
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	193 // 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	194 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	195 {
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	196 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	197 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	198
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	199 static void
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	200 push (octave_function *f,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	201 symbol_table::scope_id scope = symbol_table::current_scope (),
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	202 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	203 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	204 if (instance_ok ())
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	205 instance->do_push (f, scope, context);
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	206 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	207
9144 c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	208 static void
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	209 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	210 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	211 {
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	212 if (instance_ok ())
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	213 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	214 }
c6463412aebb eliminate symbol_table::scope_stack; fix scoping issue with evalin John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	215
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	216 static octave_function *top (void)
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	217 {
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	218 return instance_ok () ? instance->do_top (): 0;
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	219 }
1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	220
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	221 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	222 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	223 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	224 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	225
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	226 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	227 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	228 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	229 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	230 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	231
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	232 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	233 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	234 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	235 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	236
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	237 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	238 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	239 return instance_ok ()
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	240 ? 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	241 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	242
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	243 static void goto_caller_frame (void)
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	244 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	245 if (instance_ok ())
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	246 instance->do_goto_caller_frame ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	247 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	248
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	249 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	250 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	251 if (instance_ok ())
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	252 instance->do_goto_base_frame ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	253 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	254
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	255 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	256 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	257 return instance_ok ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	258 ? 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	259 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	260
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	261 static void pop (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	262 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	263 if (instance_ok ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	264 instance->do_pop ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	265 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	266
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	267 // 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	268 // for use as an unwind_protect handler.
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	269 static void unwind_pop (void *) { pop (); }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	270
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	271 static void clear (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	272 {
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	273 if (instance_ok ())
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	274 instance->do_clear ();
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	275 }
7552 6070c3bd69c4 Arbitrary call stack access for external debuggers changeset ryanru@PrinceHumperdinck parents: 7409 diff changeset	276
8013 b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	277 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	278 {
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	279 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	280 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	281 }
b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	282
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	283 private:
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	284
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	285 // 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	286 std::deque<call_stack_elt> cs;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	287
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	288 size_t curr_frame;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	289
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	290 static octave_call_stack *instance;
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	291
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	292 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	293
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	294 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	295
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	296 int do_caller_user_code_line (void) const;
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	297
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	298 int do_caller_user_code_column (void) const;
7877 59031cfe331b lasterror fixes John W. Eaton <jwe@octave.org> parents: 7787 diff changeset	299
7942 db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	300 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	301 {
db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	302 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	303 }
db6478d9c669 out_of_date_check_internal: make it work for class methods John W. Eaton <jwe@octave.org> parents: 7923 diff changeset	304
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	305 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	306
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	307 size_t do_size (void) { return cs.size (); }
73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	308
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	309 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	310
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	311 symbol_table::scope_id do_current_scope (void) const
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	312 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	313 return curr_frame > 0 && curr_frame < cs.size ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	314 ? cs[curr_frame].scope : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	315 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	316
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	317 symbol_table::context_id do_current_context (void) const
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	318 {
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	319 return curr_frame > 0 && curr_frame < cs.size ()
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	320 ? cs[curr_frame].context : 0;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	321 }
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	322
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	323 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	324 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	325 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	326
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	327 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	328 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	329 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	330 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	331 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	332
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	333 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	334 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	335
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	336 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	337
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	338 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	339 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	340 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	341 size_t prev_frame = curr_frame;
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	342 curr_frame = cs.size ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	343 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	344 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	345 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	346
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	347 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	348 {
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	349 octave_function *retval = 0;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	350
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	351 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	352 {
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	353 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	354 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	355 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	356
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	357 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	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 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	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 tree_statement *retval = 0;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 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.stmt;
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 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	372
7734 2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	373 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	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 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	376 {
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	377 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	378 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	379 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	380 }
2dee19385d32 eliminate tree_statement_stack; handle current statement info in octave_call_stack John W. Eaton <jwe@octave.org> parents: 7733 diff changeset	381
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	382 Octave_map do_backtrace (size_t nskip,
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	383 octave_idx_type& curr_user_frame) const;
5744 1c36a2e82266 [project @ 2006-04-06 19:38:34 by jwe] jwe parents: 5743 diff changeset	384
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	385 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	386
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	387 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	388
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	389 void do_goto_caller_frame (void);
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	390
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	391 void do_goto_base_frame (void);
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	392
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	393 void do_pop (void)
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	394 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	395 if (cs.size () > 1)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7736 diff changeset	396 {
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	397 const call_stack_elt& elt = cs.back ();
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	398 curr_frame = elt.prev;
7890 73ef513855e7 dbstack fixes John W. Eaton <jwe@octave.org> parents: 7877 diff changeset	399 cs.pop_back ();
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	400 const call_stack_elt& new_elt = cs[curr_frame];
3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7890 diff changeset	401 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	402 }
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	403 }
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	404
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	405 void do_clear (void) { cs.clear (); }
8011 3100283874d7 improve backtrace error messages John W. Eaton <jwe@octave.org> parents: 7968 diff changeset	406
8013 b3e667f1ab4c call backtrace_error_message in eval functions, not when popping stack John W. Eaton <jwe@octave.org> parents: 8011 diff changeset	407 void do_backtrace_error_message (void) const;
5743 a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	408 };
a527e0f77aa5 [project @ 2006-04-06 08:20:21 by jwe] jwe parents: 5307 diff changeset	409
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	410 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	411
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	412 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	413 ;;; Local Variables: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	414 ;;; mode: C++ ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	415 ;;; End: ***
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	416 */

Mercurial > octave-nkf

annotate src/toplev.h @ 9144:c6463412aebb