octave-nkf: src/symtab.h annotate

annotate src/symtab.h @ 7948:af10baa63915 ss-3-1-50

3.1.50 snapshot

author	John W. Eaton <jwe@octave.org>
date	Fri, 18 Jul 2008 17:42:48 -0400
parents	3e4c9b69069d
children	5bf4e2c13ed8

rev	line source
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1 /*
bd072d0a95f9 [project @ 1993-08-08 03:55:11 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, 1999, 2000, 2002, 2003,
7346 40252ccfcb67 [project @ 2008-01-04 20:26:25 by jwe] jwe parents: 7336 diff changeset	4 2004, 2005, 2006, 2007, 2008 John W. Eaton
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	5
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	7
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
bd072d0a95f9 [project @ 1993-08-08 03:55:11 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: 6257 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: 6257 diff changeset	11 option) any later version.
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	12
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	16 for more details.
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	17
bd072d0a95f9 [project @ 1993-08-08 03:55:11 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: 6257 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: 6257 diff changeset	20 <http://www.gnu.org/licenses/>.
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	21
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	22 */
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	23
383 0b52c68ec81f [project @ 1994-03-09 21:19:44 by jwe] jwe parents: 276 diff changeset	24 #if !defined (octave_symtab_h)
0b52c68ec81f [project @ 1994-03-09 21:19:44 by jwe] jwe parents: 276 diff changeset	25 #define octave_symtab_h 1
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	26
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	27 #include <deque>
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	28 #include <list>
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	29 #include <map>
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	30 #include <set>
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	31 #include <string>
2953 ca7d3625ee01 [project @ 1997-05-09 14:56:52 by jwe] jwe parents: 2948 diff changeset	32
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	33 #include "glob-match.h"
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	34 #include "regex-match.h"
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2791 diff changeset	35
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	36 class tree_argument_list;
3013 66a1cede95e7 [project @ 1997-06-02 19:35:05 by jwe] jwe parents: 3011 diff changeset	37
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	38 #include "oct-obj.h"
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	39 #include "ov.h"
1412 5db963ba9614 [project @ 1995-09-15 08:47:17 by jwe] jwe parents: 1315 diff changeset	40
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	41 class
6109 c68896f193e3 [project @ 2006-10-27 02:16:18 by jwe] jwe parents: 6072 diff changeset	42 OCTINTERP_API
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	43 symbol_table
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	44 {
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	45 public:
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	46
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	47 typedef int scope_id;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	48 typedef size_t context_id;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	49
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	50 class
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	51 scope_id_cache
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	52 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	53 protected:
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	54
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	55 typedef std::set<scope_id>::iterator set_iterator;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	56 typedef std::set<scope_id>::const_iterator set_const_iterator;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	57
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	58 // We start with 2 because we allocate 0 for the global symbols
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	59 // and 1 for the top-level workspace.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	60
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	61 scope_id_cache (void) : next_available (2), in_use (), free_list () { }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	62
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	63 public:
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	64
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	65 ~scope_id_cache (void) { }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	66
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	67 static scope_id alloc (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	68 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	69 return instance_ok () ? instance->do_alloc () : -1;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	70 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	71
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	72 static void free (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	73 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	74 if (instance_ok ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	75 return instance->do_free (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	76 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	77
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	78 static std::list<scope_id> scopes (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	79 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	80 return instance_ok () ? instance->do_scopes () : std::list<scope_id> ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	81 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	82
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	83 static bool instance_ok (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	84 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	85 bool retval = true;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	86
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	87 if (! instance)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	88 instance = new scope_id_cache ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	89
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	90 if (! instance)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	91 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	92 ::error ("unable to create scope_id_cache object!");
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	93
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	94 retval = false;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	95 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	96
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	97 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	98 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	99
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	100 private:
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	101
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	102 static scope_id_cache *instance;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	103
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	104 // The next available scope not in the free list.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	105 scope_id next_available;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	106
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	107 // The set of scope IDs that are currently allocated.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	108 std::set<scope_id> in_use;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	109
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	110 // The set of scope IDs that are currently available.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	111 std::set<scope_id> free_list;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	112
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	113 scope_id do_alloc (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	114 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	115 scope_id retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	116
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	117 set_iterator p = free_list.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	118
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	119 if (p != free_list.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	120 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	121 retval = *p;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	122 free_list.erase (p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	123 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	124 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	125 retval = next_available++;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	126
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	127 in_use.insert (retval);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	128
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	129 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	130 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	131
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	132 void do_free (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	133 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	134 set_iterator p = in_use.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	135
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	136 if (p != in_use.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	137 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	138 in_use.erase (p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	139 free_list.insert (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	140 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	141 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	142 error ("free_scope: scope %d not found!", scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	143 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	144
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	145 std::list<scope_id> do_scopes (void) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	146 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	147 std::list<scope_id> retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	148
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	149 for (set_const_iterator p = in_use.begin (); p != in_use.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	150 retval.push_back (*p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	151
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	152 retval.sort ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	153
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	154 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	155 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	156 };
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	157
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	158 class
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	159 symbol_record
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	160 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	161 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	162
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	163 // generic variable
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	164 static const unsigned int local = 1;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	165
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	166 // varargin, argn, .nargin., .nargout.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	167 // (FIXME -- is this really used now?)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	168 static const unsigned int automatic = 2;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	169
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	170 // formal parameter
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	171 static const unsigned int formal = 4;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	172
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	173 // not listed or cleared (.nargin., .nargout.)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	174 static const unsigned int hidden = 8;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	175
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	176 // inherited from parent scope; not cleared at function exit
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	177 static const unsigned int inherited = 16;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	178
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	179 // global (redirects to global scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	180 static const unsigned int global = 32;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	181
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	182 // not cleared at function exit
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	183 static const unsigned int persistent = 64;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	184
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	185 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	186
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	187 class
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	188 symbol_record_rep
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	189 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	190 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	191
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	192 symbol_record_rep (const std::string& nm, const octave_value& v,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	193 unsigned int sc)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	194 : name (nm), value_stack (), storage_class (sc), count (1)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	195 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	196 value_stack.push_back (v);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	197 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	198
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	199 octave_value& varref (context_id context)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	200 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	201 if (is_global ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	202 return symbol_table::global_varref (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	203 else if (is_persistent ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	204 return symbol_table::persistent_varref (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	205 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	206 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	207 context_id n = value_stack.size ();
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	208 while (n++ <= context)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	209 value_stack.push_back (octave_value ());
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	210
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	211 return value_stack[context];
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	212 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	213 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	214
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	215 octave_value varval (context_id context) const
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	216 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	217 if (is_global ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	218 return symbol_table::global_varval (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	219 else if (is_persistent ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	220 return symbol_table::persistent_varval (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	221 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	222 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	223 if (context < value_stack.size ())
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	224 return value_stack[context];
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	225 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	226 return octave_value ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	227 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	228 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	229
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	230 void push_context (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	231 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	232 if (! (is_persistent () \|\| is_global ()))
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	233 value_stack.push_back (octave_value ());
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	234 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	235
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	236 // If pop_context returns 0, we are out of values and this element
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	237 // of the symbol table should be deleted. This can happen for
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	238 // functions like
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	239 //
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	240 // function foo (n)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	241 // if (n > 0)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	242 // foo (n-1);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	243 // else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	244 // eval ("x = 1");
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	245 // endif
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	246 // endfunction
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	247 //
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	248 // Here, X should only exist in the final stack frame.
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	249
7374 4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	250 size_t pop_context (void)
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	251 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	252 size_t retval = 1;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	253
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	254 if (! (is_persistent () \|\| is_global ()))
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	255 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	256 value_stack.pop_back ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	257 retval = value_stack.size ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	258 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	259
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	260 return retval;
7374 4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	261 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	262
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	263 void clear (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	264 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	265 if (! (is_hidden () \|\| is_inherited ()))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	266 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	267 if (is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	268 unmark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	269
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	270 if (is_persistent ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	271 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	272 symbol_table::persistent_varref (name)
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	273 = varval (xcurrent_context);
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	274
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	275 unmark_persistent ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	276 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	277
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	278 varref (xcurrent_context) = octave_value ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	279 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	280 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	281
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	282 bool is_defined (context_id context) const
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	283 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	284 return varval (context).is_defined ();
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	285 }
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	286
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	287 bool is_variable (context_id context) const
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	288 {
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	289 return (storage_class != local \|\| is_defined (context));
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	290 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	291
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	292 bool is_local (void) const { return storage_class & local; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	293 bool is_automatic (void) const { return storage_class & automatic; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	294 bool is_formal (void) const { return storage_class & formal; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	295 bool is_hidden (void) const { return storage_class & hidden; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	296 bool is_inherited (void) const { return storage_class & inherited; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	297 bool is_global (void) const { return storage_class & global; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	298 bool is_persistent (void) const { return storage_class & persistent; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	299
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	300 void mark_local (void) { storage_class \|= local; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	301 void mark_automatic (void) { storage_class \|= automatic; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	302 void mark_formal (void) { storage_class \|= formal; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	303 void mark_hidden (void) { storage_class \|= hidden; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	304 void mark_inherited (void) { storage_class \|= inherited; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	305 void mark_global (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	306 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	307 if (is_persistent ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	308 error ("can't make persistent variable %s global", name.c_str ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	309 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	310 storage_class \|= global;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	311 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	312 void mark_persistent (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	313 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	314 if (is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	315 error ("can't make global variable %s persistent", name.c_str ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	316 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	317 storage_class \|= persistent;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	318 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	319
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	320 void unmark_local (void) { storage_class &= ~local; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	321 void unmark_automatic (void) { storage_class &= ~automatic; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	322 void unmark_formal (void) { storage_class &= ~formal; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	323 void unmark_hidden (void) { storage_class &= ~hidden; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	324 void unmark_inherited (void) { storage_class &= ~inherited; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	325 void unmark_global (void) { storage_class &= ~global; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	326 void unmark_persistent (void) { storage_class &= ~persistent; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	327
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	328 void init_persistent (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	329 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	330 if (! is_defined (xcurrent_context))
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	331 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	332 mark_persistent ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	333
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	334 varref (xcurrent_context) = symbol_table::persistent_varval (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	335 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	336 // FIXME -- this causes trouble with recursive calls.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	337 // else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	338 // error ("unable to declare existing variable persistent");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	339 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	340
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	341 void erase_persistent (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	342 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	343 unmark_persistent ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	344 symbol_table::erase_persistent (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	345 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	346
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	347 symbol_record_rep *dup (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	348 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	349 return new symbol_record_rep (name, varval (xcurrent_context),
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	350 storage_class);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	351 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	352
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	353 void dump (std::ostream& os, const std::string& prefix) const;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	354
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	355 std::string name;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	356
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	357 std::deque<octave_value> value_stack;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	358
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	359 unsigned int storage_class;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	360
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	361 size_t count;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	362
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	363 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	364
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	365 // No copying!
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	366
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	367 symbol_record_rep (const symbol_record_rep& ov);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	368
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	369 symbol_record_rep& operator = (const symbol_record_rep&);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	370 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	371
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	372 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	373
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	374 symbol_record (const std::string& nm = std::string (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	375 const octave_value& v = octave_value (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	376 unsigned int sc = local)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	377 : rep (new symbol_record_rep (nm, v, sc)) { }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	378
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	379 symbol_record (const symbol_record& sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	380 : rep (sr.rep)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	381 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	382 rep->count++;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	383 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	384
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	385 symbol_record& operator = (const symbol_record& sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	386 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	387 if (this != &sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	388 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	389 rep = sr.rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	390 rep->count++;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	391 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	392
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	393 return *this;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	394 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	395
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	396 ~symbol_record (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	397 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	398 if (--rep->count == 0)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	399 delete rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	400 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	401
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	402 symbol_record dup (void) const { return symbol_record (rep->dup ()); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	403
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	404 std::string name (void) const { return rep->name; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	405
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	406 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	407 find (tree_argument_list *args, const string_vector& arg_names,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	408 octave_value_list& evaluated_args, bool& args_evaluated) const;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	409
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	410 octave_value& varref (context_id context = xcurrent_context)
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	411 {
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	412 return rep->varref (context);
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	413 }
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	414
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	415 octave_value varval (context_id context = xcurrent_context) const
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	416 {
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	417 return rep->varval (context);
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	418 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	419
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	420 void push_context (void) { rep->push_context (); }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	421
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	422 size_t pop_context (void) { return rep->pop_context (); }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	423
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	424 void clear (void) { rep->clear (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	425
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	426 bool is_defined (context_id context = xcurrent_context) const
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	427 {
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	428 return rep->is_defined (context);
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	429 }
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	430
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	431 bool is_variable (context_id context = xcurrent_context) const
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	432 {
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	433 return rep->is_variable (context);
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	434 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	435
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	436 bool is_local (void) const { return rep->is_local (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	437 bool is_automatic (void) const { return rep->is_automatic (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	438 bool is_formal (void) const { return rep->is_formal (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	439 bool is_global (void) const { return rep->is_global (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	440 bool is_hidden (void) const { return rep->is_hidden (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	441 bool is_inherited (void) const { return rep->is_inherited (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	442 bool is_persistent (void) const { return rep->is_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	443
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	444 void mark_local (void) { rep->mark_local (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	445 void mark_automatic (void) { rep->mark_automatic (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	446 void mark_formal (void) { rep->mark_formal (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	447 void mark_hidden (void) { rep->mark_hidden (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	448 void mark_inherited (void) { rep->mark_inherited (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	449 void mark_global (void) { rep->mark_global (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	450 void mark_persistent (void) { rep->mark_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	451
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	452 void unmark_local (void) { rep->unmark_local (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	453 void unmark_automatic (void) { rep->unmark_automatic (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	454 void unmark_formal (void) { rep->unmark_formal (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	455 void unmark_hidden (void) { rep->unmark_hidden (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	456 void unmark_inherited (void) { rep->unmark_inherited (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	457 void unmark_global (void) { rep->unmark_global (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	458 void unmark_persistent (void) { rep->unmark_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	459
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	460 void init_persistent (void) { rep->init_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	461
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	462 void erase_persistent (void) { rep->erase_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	463
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	464 unsigned int xstorage_class (void) const { return rep->storage_class; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	465
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	466 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	467 dump (std::ostream& os, const std::string& prefix = std::string ()) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	468 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	469 rep->dump (os, prefix);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	470 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	471
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	472 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	473
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	474 symbol_record_rep *rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	475
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	476 symbol_record (symbol_record_rep *new_rep) : rep (new_rep) { }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	477 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	478
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	479 class
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	480 fcn_info
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	481 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	482 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	483
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	484 typedef std::map<std::string, std::string> dispatch_map_type;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	485
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	486 typedef std::map<scope_id, octave_value>::const_iterator scope_val_const_iterator;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	487 typedef std::map<scope_id, octave_value>::iterator scope_val_iterator;
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	488
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	489 typedef std::map<std::string, octave_value>::const_iterator str_val_const_iterator;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	490 typedef std::map<std::string, octave_value>::iterator str_val_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	491
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	492 typedef dispatch_map_type::const_iterator dispatch_map_const_iterator;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	493 typedef dispatch_map_type::iterator dispatch_map_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	494
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	495 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	496
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	497 class
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	498 fcn_info_rep
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	499 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	500 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	501
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	502 fcn_info_rep (const std::string& nm)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	503 : name (nm), subfunctions (), private_functions (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	504 class_constructors (), class_methods (), cmdline_function (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	505 autoload_function (), function_on_path (), built_in_function (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	506 count (1) { }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	507
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	508 octave_value load_private_function (const std::string& dir_name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	509
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	510 octave_value load_class_constructor (void);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	511
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	512 octave_value load_class_method (const std::string& dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	513
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	514 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	515 find (tree_argument_list *args, const string_vector& arg_names,
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	516 octave_value_list& evaluated_args, bool& args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	517
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	518 octave_value find_method (const std::string& dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	519
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	520 octave_value find_autoload (void);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	521
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	522 octave_value find_user_function (void);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	523
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	524 bool is_user_function_defined (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	525 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	526 return function_on_path.is_defined ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	527 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	528
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	529 octave_value find_function (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	530 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	531 octave_value_list args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	532
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	533 return find_function (args);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	534 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	535
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	536 octave_value find_function (const octave_value_list& args)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	537 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	538 string_vector arg_names;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	539 octave_value_list evaluated_args = args;
7753 e76a4a6e3c47 initialize args_evaluated; delete useless statement John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	540 bool args_evaluated = false;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	541
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	542 return find (0, arg_names, evaluated_args, args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	543 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	544
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	545 void lock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	546 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	547 scope_val_iterator p = subfunctions.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	548
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	549 if (p != subfunctions.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	550 p->second.lock ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	551 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	552
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	553 void unlock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	554 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	555 scope_val_iterator p = subfunctions.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	556
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	557 if (p != subfunctions.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	558 p->second.unlock ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	559 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	560
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	561 std::pair<std::string, octave_value>
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	562 subfunction_defined_in_scope (scope_id scope) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	563 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	564 scope_val_const_iterator p = subfunctions.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	565
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	566 return p == subfunctions.end ()
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	567 ? std::pair<std::string, octave_value> ()
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	568 : std::pair<std::string, octave_value> (name, p->second);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	569 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	570
7876 8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	571 void erase_subfunction (scope_id scope)
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	572 {
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	573 scope_val_iterator p = subfunctions.find (scope);
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	574
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	575 if (p != subfunctions.end ())
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	576 subfunctions.erase (p);
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	577 }
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	578
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	579 void install_cmdline_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	580 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	581 cmdline_function = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	582 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	583
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	584 void install_subfunction (const octave_value& f, scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	585 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	586 subfunctions[scope] = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	587 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	588
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	589 void install_user_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	590 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	591 function_on_path = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	592 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	593
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	594 void install_built_in_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	595 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	596 built_in_function = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	597 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	598
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	599 template <class T>
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	600 void
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	601 clear_unlocked (std::map<T, octave_value>& map)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	602 {
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	603 typename std::map<T, octave_value>::iterator p = map.begin ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	604
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	605 while (p != map.end ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	606 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	607 if (p->second.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	608 p++;
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	609 else
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	610 map.erase (p++);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	611 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	612 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	613
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	614 void clear_cmdline_function (void)
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	615 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	616 if (! cmdline_function.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	617 cmdline_function = octave_value ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	618 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	619
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	620 void clear_autoload_function (void)
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	621 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	622 if (! autoload_function.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	623 autoload_function = octave_value ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	624 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	625
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	626 // FIXME -- should this also clear the cmdline and other "user
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	627 // defined" functions?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	628 void clear_user_function (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	629 {
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	630 if (! function_on_path.islocked ())
7876 8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	631 {
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	632 function_on_path.erase_subfunctions ();
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	633
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	634 function_on_path = octave_value ();
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	635 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	636 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	637
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	638 void clear_mex_function (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	639 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	640 if (function_on_path.is_mex_function ())
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	641 clear_user_function ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	642 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	643
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	644 void clear (void)
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	645 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	646 clear_unlocked (subfunctions);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	647 clear_unlocked (private_functions);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	648 clear_unlocked (class_constructors);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	649 clear_unlocked (class_methods);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	650 clear_cmdline_function ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	651 clear_autoload_function ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	652 clear_user_function ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	653 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	654
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	655 void add_dispatch (const std::string& type, const std::string& fname)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	656 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	657 dispatch_map[type] = fname;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	658 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	659
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	660 void clear_dispatch (const std::string& type)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	661 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	662 dispatch_map_iterator p = dispatch_map.find (type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	663
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	664 if (p != dispatch_map.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	665 dispatch_map.erase (p);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	666 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	667
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	668 void print_dispatch (std::ostream& os) const;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	669
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	670 std::string help_for_dispatch (void) const;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	671
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	672 dispatch_map_type get_dispatch (void) const { return dispatch_map; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	673
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	674 void dump (std::ostream& os, const std::string& prefix) const;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	675
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	676 std::string name;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	677
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	678 // Scope id to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	679 std::map<scope_id, octave_value> subfunctions;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	680
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	681 // Directory name to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	682 std::map<std::string, octave_value> private_functions;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	683
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	684 // Class name to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	685 std::map<std::string, octave_value> class_constructors;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	686
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	687 // Dispatch type to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	688 std::map<std::string, octave_value> class_methods;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	689
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	690 // Legacy dispatch map (dispatch type name to function name).
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	691 dispatch_map_type dispatch_map;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	692
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	693 octave_value cmdline_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	694
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	695 octave_value autoload_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	696
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	697 octave_value function_on_path;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	698
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	699 octave_value built_in_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	700
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	701 size_t count;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	702
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	703 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	704
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	705 // No copying!
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	706
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	707 fcn_info_rep (const fcn_info_rep&);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	708
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	709 fcn_info_rep& operator = (const fcn_info_rep&);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	710 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	711
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	712 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	713
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	714 fcn_info (const std::string& nm = std::string ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	715 : rep (new fcn_info_rep (nm)) { }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	716
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	717 fcn_info (const fcn_info& ov) : rep (ov.rep)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	718 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	719 rep->count++;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	720 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	721
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	722 fcn_info& operator = (const fcn_info& ov)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	723 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	724 if (this != &ov)
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	725 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	726 rep = ov.rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	727 rep->count++;
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	728 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	729
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	730 return *this;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	731 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	732
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	733 ~fcn_info (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	734 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	735 if (--rep->count == 0)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	736 delete rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	737 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	738
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	739 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	740 find (tree_argument_list *args, const string_vector& arg_names,
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	741 octave_value_list& evaluated_args, bool& args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	742
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	743 octave_value find_method (const std::string& dispatch_type) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	744 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	745 return rep->find_method (dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	746 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	747
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	748 octave_value find_built_in_function (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	749 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	750 return rep->built_in_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	751 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	752
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	753 octave_value find_autoload (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	754 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	755 return rep->find_autoload ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	756 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	757
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	758 octave_value find_user_function (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	759 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	760 return rep->find_user_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	761 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	762
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	763 bool is_user_function_defined (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	764 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	765 return rep->is_user_function_defined ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	766 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	767
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	768 octave_value find_function (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	769 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	770 return rep->find_function ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	771 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	772
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	773 octave_value find_function (const octave_value_list& args)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	774 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	775 return rep->find_function (args);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	776 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	777
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	778 void lock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	779 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	780 rep->lock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	781 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	782
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	783 void unlock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	784 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	785 rep->unlock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	786 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	787
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	788 std::pair<std::string, octave_value>
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	789 subfunction_defined_in_scope (scope_id scope = xcurrent_scope) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	790 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	791 return rep->subfunction_defined_in_scope (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	792 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	793
7876 8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	794 void erase_subfunction (scope_id scope)
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	795 {
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	796 rep->erase_subfunction (scope);
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	797 }
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	798
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	799 void install_cmdline_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	800 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	801 rep->install_cmdline_function (f);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	802 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	803
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	804 void install_subfunction (const octave_value& f, scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	805 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	806 rep->install_subfunction (f, scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	807 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	808
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	809 void install_user_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	810 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	811 rep->install_user_function (f);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	812 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	813
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	814 void install_built_in_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	815 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	816 rep->install_built_in_function (f);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	817 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	818
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	819 void clear (void) { rep->clear (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	820
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	821 void clear_user_function (void) { rep->clear_user_function (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	822
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	823 void clear_mex_function (void) { rep->clear_mex_function (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	824
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	825 void add_dispatch (const std::string& type, const std::string& fname)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	826 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	827 rep->add_dispatch (type, fname);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	828 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	829
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	830 void clear_dispatch (const std::string& type)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	831 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	832 rep->clear_dispatch (type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	833 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	834
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	835 void print_dispatch (std::ostream& os) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	836 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	837 rep->print_dispatch (os);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	838 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	839
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	840 std::string help_for_dispatch (void) const { return rep->help_for_dispatch (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	841
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	842 dispatch_map_type get_dispatch (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	843 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	844 return rep->get_dispatch ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	845 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	846
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	847 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	848 dump (std::ostream& os, const std::string& prefix = std::string ()) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	849 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	850 rep->dump (os, prefix);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	851 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	852
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	853 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	854
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	855 fcn_info_rep *rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	856 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	857
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	858 static scope_id global_scope (void) { return xglobal_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	859 static scope_id top_scope (void) { return xtop_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	860
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	861 static scope_id current_scope (void) { return xcurrent_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	862
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	863 static context_id current_context (void) { return xcurrent_context; }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	864
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	865 // We use parent_scope to handle parsing subfunctions.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	866 static scope_id parent_scope (void) { return xparent_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	867
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	868 static scope_id alloc_scope (void) { return scope_id_cache::alloc (); }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	869
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	870 static void set_scope (scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	871 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	872 if (scope == xglobal_scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	873 error ("can't set scope to global");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	874 else if (scope != xcurrent_scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	875 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	876 all_instances_iterator p = all_instances.find (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	877
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	878 if (p == all_instances.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	879 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	880 symbol_table *inst = new symbol_table ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	881
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	882 if (inst)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	883 all_instances[scope] = instance = inst;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	884 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	885 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	886 instance = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	887
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	888 xcurrent_scope = scope;
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7876 diff changeset	889 xcurrent_context = 0;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	890 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	891 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	892
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	893 static void set_scope_and_context (scope_id scope, context_id context)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	894 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	895 if (scope == xglobal_scope)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	896 error ("can't set scope to global");
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	897 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	898 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	899 if (scope != xcurrent_scope)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	900 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	901 all_instances_iterator p = all_instances.find (scope);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	902
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	903 if (p == all_instances.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	904 error ("scope not found!");
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	905 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	906 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	907 instance = p->second;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	908
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	909 xcurrent_scope = scope;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	910 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	911 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	912
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	913 if (! error_state)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	914 xcurrent_context = context;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	915 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	916 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	917
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	918 static void push_scope (scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	919 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	920 if (scope_stack.empty ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	921 scope_stack.push_front (xtop_scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	922
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	923 set_scope (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	924
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	925 scope_stack.push_front (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	926 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	927
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	928 static void pop_scope (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	929 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	930 scope_stack.pop_front ();
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	931
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	932 set_scope (scope_stack[0]);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	933 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	934
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	935 static void pop_scope (void *) { pop_scope (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	936
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	937 static void reset_scope (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	938 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	939 scope_stack.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	940
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	941 scope_stack.push_front (xtop_scope);
572 94fd73d1a0bc [project @ 1994-07-28 05:35:47 by jwe] jwe parents: 541 diff changeset	942
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	943 set_scope (xtop_scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	944 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	945
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	946 static void set_parent_scope (scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	947 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	948 xparent_scope = scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	949 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	950
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	951 static void reset_parent_scope (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	952 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	953 set_parent_scope (-1);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	954 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	955
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	956 static void erase_scope (scope_id scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	957 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	958 assert (scope != xglobal_scope);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	959
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	960 all_instances_iterator p = all_instances.find (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	961
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	962 if (p != all_instances.end ())
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	963 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	964 delete p->second;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	965
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	966 all_instances.erase (p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	967
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	968 free_scope (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	969 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	970 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	971
7876 8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	972 static void erase_subfunctions_in_scope (scope_id scope)
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	973 {
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	974 for (fcn_table_iterator q = fcn_table.begin ();
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	975 q != fcn_table.end (); q++)
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	976 q->second.erase_subfunction (scope);
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	977 }
8447a5024650 clear subfunctions when clearing parent function John W. Eaton <jwe@octave.org> parents: 7779 diff changeset	978
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	979 static scope_id dup_scope (scope_id scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	980 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	981 scope_id retval = -1;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	982
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	983 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	984
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	985 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	986 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	987 scope_id new_scope = alloc_scope ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	988
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	989 symbol_table *new_symbol_table = new symbol_table ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	990
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	991 if (new_symbol_table)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	992 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	993 all_instances[new_scope] = new_symbol_table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	994
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	995 inst->do_dup_scope (*new_symbol_table);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	996
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	997 retval = new_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	998 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	999 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1000
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1001 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1002 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1003
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1004 static std::list<scope_id> scopes (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1005 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1006 return scope_id_cache::scopes ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1007 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1008
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1009 static symbol_record
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1010 find_symbol (const std::string& name, scope_id scope = xcurrent_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1011 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1012 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1013
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1014 return inst ? inst->do_find_symbol (name) : symbol_record ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1015 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1016
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1017 static void
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1018 inherit (scope_id scope, scope_id donor_scope, context_id donor_context)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1019 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1020 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1021
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1022 if (inst)
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1023 inst->do_inherit (donor_scope, donor_context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1024 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1025
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1026 static bool at_top_level (void) { return xcurrent_scope == xtop_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1027
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1028 // Find a value corresponding to the given name in the table.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1029 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1030 find (const std::string& name, tree_argument_list *args,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1031 const string_vector& arg_names,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1032 octave_value_list& evaluated_args, bool& args_evaluated,
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1033 bool skip_variables = false);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1034
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1035 // Insert a new name in the table.
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1036 static symbol_record& insert (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1037 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1038 static symbol_record foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1039
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1040 symbol_table *inst = get_instance (xcurrent_scope);
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1041
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1042 return inst ? inst->do_insert (name) : foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1043 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1044
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1045 static octave_value& varref (const std::string& name,
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1046 scope_id scope = xcurrent_scope,
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1047 context_id context = xcurrent_context)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1048 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1049 static octave_value foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1050
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1051 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1052
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1053 return inst ? inst->do_varref (name, context) : foobar;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1054 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1055
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1056 static octave_value varval (const std::string& name,
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1057 scope_id scope = xcurrent_scope,
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1058 context_id context = xcurrent_context)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1059 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1060 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1061
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1062 return inst ? inst->do_varval (name, context) : octave_value ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1063 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1064
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1065 static octave_value&
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1066 global_varref (const std::string& name)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1067 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1068 global_table_iterator p = global_table.find (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1069
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1070 return (p == global_table.end ()) ? global_table[name] : p->second;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1071 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1072
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1073 static octave_value
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1074 global_varval (const std::string& name)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1075 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1076 global_table_const_iterator p = global_table.find (name);
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1077
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1078 return (p != global_table.end ()) ? p->second : octave_value ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1079 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1080
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1081 static octave_value& persistent_varref (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1082 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1083 static octave_value foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1084
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1085 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1086
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1087 return inst ? inst->do_persistent_varref (name) : foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1088 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1089
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1090 static octave_value persistent_varval (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1091 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1092 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1093
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1094 return inst ? inst->do_persistent_varval (name) : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1095 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1096
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1097 static void erase_persistent (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1098 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1099 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1100
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1101 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1102 inst->do_erase_persistent (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1103 }
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1104
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1105 static bool is_variable (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1106 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1107 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1108
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1109 return inst ? inst->do_is_variable (name) : false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1110 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1111
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1112 static bool
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1113 is_built_in_function_name (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1114 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1115 octave_value val = find_built_in_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1116
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1117 return val.is_defined ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1118 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1119
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1120 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1121 find_method (const std::string& name, const std::string& dispatch_type)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1122 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1123 fcn_table_const_iterator p = fcn_table.find (name);
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1124
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1125 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1126 return p->second.find_method (dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1127 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1128 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1129 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1130
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1131 octave_value fcn = finfo.find_method (dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1132
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1133 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1134 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1135
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1136 return fcn;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1137 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1138 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1139
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1140 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1141 find_built_in_function (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1142 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1143 fcn_table_const_iterator p = fcn_table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1144
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1145 return (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1146 ? p->second.find_built_in_function () : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1147 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1148
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1149 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1150 find_autoload (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1151 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1152 fcn_table_iterator p = fcn_table.find (name);
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1153
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1154 return (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1155 ? p->second.find_autoload () : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1156 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1157
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1158 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1159 find_function (const std::string& name, tree_argument_list *args,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1160 const string_vector& arg_names,
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1161 octave_value_list& evaluated_args, bool& args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1162
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1163 static octave_value find_user_function (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1164 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1165 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1166
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1167 return (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1168 ? p->second.find_user_function () : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1169 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1170
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1171 static octave_value find_function (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1172 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1173 octave_value_list evaluated_args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1174
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1175 return find_function (name, evaluated_args);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1176 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1177
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1178 static octave_value
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1179 find_function (const std::string& name, const octave_value_list& args)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1180 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1181 string_vector arg_names;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1182 octave_value_list evaluated_args = args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1183 bool args_evaluated = ! args.empty ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1184
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1185 return find_function (name, 0, arg_names, evaluated_args, args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1186 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1187
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1188 static void install_cmdline_function (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1189 const octave_value& fcn)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1190 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1191 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1192
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1193 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1194 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1195 fcn_info& finfo = p->second;
3013 66a1cede95e7 [project @ 1997-06-02 19:35:05 by jwe] jwe parents: 3011 diff changeset	1196
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1197 finfo.install_cmdline_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1198 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1199 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1200 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1201 fcn_info finfo (name);
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 186 diff changeset	1202
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1203 finfo.install_cmdline_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1204
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1205 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1206 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1207 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1208
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1209 static void install_subfunction (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1210 const octave_value& fcn,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1211 scope_id scope = xparent_scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1212 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1213 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1214
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1215 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1216 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1217 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1218
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1219 finfo.install_subfunction (fcn, scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1220 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1221 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1222 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1223 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1224
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1225 finfo.install_subfunction (fcn, scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1226
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1227 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1228 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1229 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1230
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1231 static void install_user_function (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1232 const octave_value& fcn)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1233 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1234 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1235
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1236 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1237 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1238 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1239
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1240 finfo.install_user_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1241 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1242 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1243 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1244 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1245
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1246 finfo.install_user_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1247
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1248 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1249 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1250 }
605 4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe] jwe parents: 572 diff changeset	1251
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1252 static void install_built_in_function (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1253 const octave_value& fcn)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1254 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1255 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1256
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1257 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1258 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1259 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1260
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1261 finfo.install_built_in_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1262 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1263 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1264 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1265 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1266
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1267 finfo.install_built_in_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1268
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1269 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1270 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1271 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1272
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1273 static void clear (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1274 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1275 clear_variable (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1276 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1277
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1278 static void clear_all (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1279 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1280 clear_variables ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1281
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1282 clear_functions ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1283 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1284
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1285 static void clear_variables (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1286 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1287 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1288
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1289 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1290 inst->do_clear_variables ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1291 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1292
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1293 // For unwind_protect.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1294 static void clear_variables (void *) { clear_variables (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1295
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1296 static void clear_functions (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1297 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1298 for (fcn_table_iterator p = fcn_table.begin (); p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1299 p->second.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1300 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1301
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1302 static void clear_function (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1303 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1304 clear_user_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1305 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1306
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1307 static void clear_global (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1308 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1309 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1310
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1311 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1312 inst->do_clear_global (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1313 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1314
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1315 static void clear_variable (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1316 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1317 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1318
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1319 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1320 inst->do_clear_variable (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1321 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1322
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1323 static void clear_symbol (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1324 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1325 // FIXME -- are we supposed to do both here?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1326
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1327 clear_variable (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1328 clear_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1329 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1330
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1331 static void clear_function_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1332 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1333 glob_match pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1334
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1335 for (fcn_table_iterator p = fcn_table.begin (); p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1336 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1337 if (pattern.match (p->first))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1338 p->second.clear_user_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1339 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1340 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1341
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1342 static void clear_global_pattern (const std::string& pat)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1343 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1344 symbol_table *inst = get_instance (xcurrent_scope);
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1345
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1346 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1347 inst->do_clear_global_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1348 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1349
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1350 static void clear_variable_pattern (const std::string& pat)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1351 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1352 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1353
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1354 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1355 inst->do_clear_variable_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1356 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1357
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1358 static void clear_variable_regexp (const std::string& pat)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1359 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1360 symbol_table *inst = get_instance (xcurrent_scope);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1361
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1362 if (inst)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1363 inst->do_clear_variable_regexp (pat);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1364 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1365
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1366 static void clear_symbol_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1367 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1368 // FIXME -- are we supposed to do both here?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1369
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1370 clear_variable_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1371 clear_function_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1372 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1373
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1374 static void clear_user_function (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1375 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1376 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1377
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1378 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1379 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1380 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1381
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1382 finfo.clear_user_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1383 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1384 // FIXME -- is this necessary, or even useful?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1385 // else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1386 // error ("clear: no such function `%s'", name.c_str ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1387 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1388
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1389 static void clear_mex_functions (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1390 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1391 for (fcn_table_iterator p = fcn_table.begin (); p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1392 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1393 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1394
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1395 finfo.clear_mex_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1396 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1397 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1398
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1399 static void alias_built_in_function (const std::string& alias,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1400 const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1401 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1402 octave_value fcn = find_built_in_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1403
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1404 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1405 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1406 fcn_info finfo (alias);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1407
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1408 finfo.install_built_in_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1409
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1410 fcn_table[alias] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1411 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1412 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1413 panic ("alias: `%s' is undefined", name.c_str ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1414 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1415
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1416 static void add_dispatch (const std::string& name, const std::string& type,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1417 const std::string& fname)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1418 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1419 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1420
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1421 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1422 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1423 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1424
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1425 finfo.add_dispatch (type, fname);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1426 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1427 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1428 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1429 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1430
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1431 finfo.add_dispatch (type, fname);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1432
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1433 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1434 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1435 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1436
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1437 static void clear_dispatch (const std::string& name, const std::string& type)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1438 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1439 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1440
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1441 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1442 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1443 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1444
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1445 finfo.clear_dispatch (type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1446 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1447 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1448
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1449 static void print_dispatch (std::ostream& os, const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1450 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1451 fcn_table_iterator p = fcn_table.find (name);
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1452
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1453 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1454 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1455 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1456
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1457 finfo.print_dispatch (os);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1458 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1459 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1460
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1461 static fcn_info::dispatch_map_type get_dispatch (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1462 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1463 fcn_info::dispatch_map_type retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1464
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1465 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1466
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1467 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1468 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1469 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1470
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1471 retval = finfo.get_dispatch ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1472 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1473
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1474 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1475 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1476
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1477 static std::string help_for_dispatch (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1478 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1479 std::string retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1480
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1481 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1482
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1483 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1484 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1485 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1486
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1487 retval = finfo.help_for_dispatch ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1488 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1489
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1490 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1491 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1492
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1493 static void push_context (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1494 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1495 if (xcurrent_scope == xglobal_scope \|\| xcurrent_scope == xtop_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1496 error ("invalid call to xymtab::push_context");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1497 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1498 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1499 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1500
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1501 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1502 inst->do_push_context ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1503 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1504 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1505
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1506 static void pop_context (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1507 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1508 if (xcurrent_scope == xglobal_scope \|\| xcurrent_scope == xtop_scope)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1509 error ("invalid call to xymtab::pop_context");
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1510 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1511 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1512 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1513
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1514 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1515 inst->do_pop_context ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1516 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1517 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1518
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1519 // For unwind_protect.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1520 static void pop_context (void *) { pop_context (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1521
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1522 static void mark_hidden (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1523 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1524 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1525
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1526 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1527 inst->do_mark_hidden (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1528 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1529
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1530 static void mark_global (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1531 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1532 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1533
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1534 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1535 inst->do_mark_global (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1536 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1537
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1538 static std::list<symbol_record>
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1539 all_variables (scope_id scope = xcurrent_scope,
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1540 context_id context = xcurrent_context,
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1541 bool defined_only = true)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1542 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1543 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1544
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1545 return inst
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1546 ? inst->do_all_variables (context, defined_only) : std::list<symbol_record> ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1547 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1548
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1549 static std::list<symbol_record> glob (const std::string& pattern)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1550 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1551 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1552
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1553 return inst ? inst->do_glob (pattern) : std::list<symbol_record> ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1554 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1555
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1556 static std::list<symbol_record> regexp (const std::string& pattern)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1557 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1558 symbol_table *inst = get_instance (xcurrent_scope);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1559
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1560 return inst ? inst->do_regexp (pattern) : std::list<symbol_record> ();
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1561 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1562
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1563 static std::list<symbol_record> glob_variables (const std::string& pattern)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1564 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1565 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1566
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1567 return inst ? inst->do_glob (pattern, true) : std::list<symbol_record> ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1568 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1569
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1570 static std::list<symbol_record> regexp_variables (const std::string& pattern)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1571 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1572 symbol_table *inst = get_instance (xcurrent_scope);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1573
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1574 return inst ? inst->do_regexp (pattern, true) : std::list<symbol_record> ();
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1575 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1576
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1577 static std::list<symbol_record>
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1578 glob_global_variables (const std::string& pattern)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1579 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1580 std::list<symbol_record> retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1581
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1582 glob_match pat (pattern);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1583
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1584 for (global_table_const_iterator p = global_table.begin ();
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1585 p != global_table.end (); p++)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1586 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1587 // We generate a list of symbol_record objects so that
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1588 // the results from glob_variables and glob_global_variables
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1589 // may be handled the same way.
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1590
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1591 if (pat.match (p->first))
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1592 retval.push_back (symbol_record (p->first, p->second,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1593 symbol_record::global));
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1594 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1595
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1596 return retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1597 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1598
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1599 static std::list<symbol_record>
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1600 regexp_global_variables (const std::string& pattern)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1601 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1602 std::list<symbol_record> retval;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1603
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1604 regex_match pat (pattern);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1605
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1606 for (global_table_const_iterator p = global_table.begin ();
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1607 p != global_table.end (); p++)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1608 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1609 // We generate a list of symbol_record objects so that
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1610 // the results from regexp_variables and regexp_global_variables
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1611 // may be handled the same way.
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1612
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1613 if (pat.match (p->first))
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1614 retval.push_back (symbol_record (p->first, p->second,
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1615 symbol_record::global));
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1616 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1617
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1618 return retval;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1619 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1620
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1621 static std::list<symbol_record> glob_variables (const string_vector& patterns)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1622 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1623 std::list<symbol_record> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1624
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1625 size_t len = patterns.length ();
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1626
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1627 for (size_t i = 0; i < len; i++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1628 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1629 std::list<symbol_record> tmp = glob_variables (patterns[i]);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1630
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1631 retval.insert (retval.begin (), tmp.begin (), tmp.end ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1632 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1633
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1634 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1635 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1636
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1637 static std::list<symbol_record> regexp_variables
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1638 (const string_vector& patterns)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1639 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1640 std::list<symbol_record> retval;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1641
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1642 size_t len = patterns.length ();
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1643
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1644 for (size_t i = 0; i < len; i++)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1645 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1646 std::list<symbol_record> tmp = regexp_variables (patterns[i]);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1647
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1648 retval.insert (retval.begin (), tmp.begin (), tmp.end ());
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1649 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1650
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1651 return retval;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1652 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	1653
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1654 static std::list<std::string> user_function_names (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1655 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1656 std::list<std::string> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1657
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1658 for (fcn_table_iterator p = fcn_table.begin ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1659 p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1660 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1661 if (p->second.is_user_function_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1662 retval.push_back (p->first);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1663 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1664
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1665 if (! retval.empty ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1666 retval.sort ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1667
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1668 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1669 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1670
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1671 static std::list<std::string> global_variable_names (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1672 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1673 std::list<std::string> retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1674
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1675 for (global_table_const_iterator p = global_table.begin ();
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1676 p != global_table.end (); p++)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1677 retval.push_back (p->first);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1678
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1679 retval.sort ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1680
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1681 return retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1682 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1683
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1684 static std::list<std::string> top_level_variable_names (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1685 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1686 symbol_table *inst = get_instance (xtop_scope);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1687
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1688 return inst ? inst->do_variable_names () : std::list<std::string> ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1689 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1690
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1691 static std::list<std::string> variable_names (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1692 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1693 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1694
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1695 return inst ? inst->do_variable_names () : std::list<std::string> ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1696 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1697
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1698 static std::list<std::string> built_in_function_names (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1699 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1700 std::list<std::string> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1701
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1702 for (fcn_table_const_iterator p = fcn_table.begin ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1703 p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1704 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1705 octave_value fcn = p->second.find_built_in_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1706
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1707 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1708 retval.push_back (p->first);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1709 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1710
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1711 if (! retval.empty ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1712 retval.sort ();
220 f736a3ec137e [project @ 1993-11-14 00:10:26 by jwe] jwe parents: 200 diff changeset	1713
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1714 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1715 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1716
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1717 static bool is_local_variable (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1718 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1719 if (xcurrent_scope == xglobal_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1720 return false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1721 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1722 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1723 symbol_table *inst = get_instance (xcurrent_scope);
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5823 diff changeset	1724
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1725 return inst ? inst->do_is_local_variable (name) : false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1726 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1727 }
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5823 diff changeset	1728
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1729 static bool is_global (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1730 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1731 if (xcurrent_scope == xglobal_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1732 return true;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1733 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1734 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1735 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1736
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1737 return inst ? inst->do_is_global (name) : false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1738 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1739 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1740
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1741 static void dump (std::ostream& os, scope_id scope = xcurrent_scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1742
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1743 static void dump_global (std::ostream& os);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1744
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1745 static void dump_functions (std::ostream& os);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1746
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1747 static void cache_name (scope_id scope, const std::string& name)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1748 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1749 symbol_table *inst = get_instance (scope, false);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1750
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1751 if (inst)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1752 inst->do_cache_name (name);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1753 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1754
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1755 static void lock_subfunctions (scope_id scope = xcurrent_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1756 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1757 for (fcn_table_iterator p = fcn_table.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1758 p != fcn_table.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1759 p->second.lock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1760 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1761
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1762 static void unlock_subfunctions (scope_id scope = xcurrent_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1763 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1764 for (fcn_table_iterator p = fcn_table.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1765 p != fcn_table.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1766 p->second.unlock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1767 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1768
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1769 static void free_scope (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1770 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1771 if (scope == xglobal_scope \|\| scope == xtop_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1772 error ("can't free global or top-level scopes!");
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1773 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1774 symbol_table::scope_id_cache::free (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1775 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1776
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1777 private:
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1778
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1779 typedef std::map<std::string, symbol_record>::const_iterator table_const_iterator;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1780 typedef std::map<std::string, symbol_record>::iterator table_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1781
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1782 typedef std::map<std::string, octave_value>::const_iterator global_table_const_iterator;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1783 typedef std::map<std::string, octave_value>::iterator global_table_iterator;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1784
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1785 typedef std::map<std::string, octave_value>::const_iterator persistent_table_const_iterator;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1786 typedef std::map<std::string, octave_value>::iterator persistent_table_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1787
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1788 typedef std::map<scope_id, symbol_table*>::const_iterator all_instances_const_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1789 typedef std::map<scope_id, symbol_table*>::iterator all_instances_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1790
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1791 typedef std::map<std::string, fcn_info>::const_iterator fcn_table_const_iterator;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1792 typedef std::map<std::string, fcn_info>::iterator fcn_table_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1793
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1794 // Name for this table (usually the file name of the function
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1795 // corresponding to the scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1796 std::string table_name;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1797
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1798 // Map from symbol names to symbol info.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1799 std::map<std::string, symbol_record> table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1800
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1801 // Map from names of global variables to values.
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1802 static std::map<std::string, octave_value> global_table;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1803
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1804 // Map from names of persistent variables to values.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1805 std::map<std::string, octave_value> persistent_table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1806
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1807 // Pointer to symbol table for current scope (variables only).
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1808 static symbol_table *instance;
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1809
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1810 // Map from scope id to symbol table instances.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1811 static std::map<scope_id, symbol_table*> all_instances;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1812
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1813 // Map from function names to function info (subfunctions, private
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1814 // functions, class constructors, class methods, etc.)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1815 static std::map<std::string, fcn_info> fcn_table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1816
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1817 static const scope_id xglobal_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1818 static const scope_id xtop_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1819
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1820 static scope_id xcurrent_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1821
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1822 // We use parent_scope to handle parsing subfunctions.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1823 static scope_id xparent_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1824
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1825 static context_id xcurrent_context;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1826
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1827 static std::deque<scope_id> scope_stack;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1828
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1829 symbol_table (void)
7901 3e4c9b69069d call stack changes John W. Eaton <jwe@octave.org> parents: 7876 diff changeset	1830 : table_name (), table () { }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1831
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1832 ~symbol_table (void) { }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1833
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1834 static symbol_table *get_instance (scope_id scope, bool create = true)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1835 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1836 symbol_table *retval = 0;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1837
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1838 bool ok = true;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1839
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1840 if (scope != xglobal_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1841 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1842 if (scope == xcurrent_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1843 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1844 if (! instance && create)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1845 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1846 symbol_table *inst = new symbol_table ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1847
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1848 if (inst)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1849 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1850 all_instances[scope] = instance = inst;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1851
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1852 if (scope == xtop_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1853 instance->do_cache_name ("top-level");
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1854 }
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1855 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1856
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1857 if (! instance)
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1858 ok = false;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1859
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1860 retval = instance;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1861 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1862 else
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1863 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1864 all_instances_iterator p = all_instances.find (scope);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1865
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1866 if (p == all_instances.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1867 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1868 if (create)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1869 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1870 retval = new symbol_table ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1871
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1872 if (retval)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1873 all_instances[scope] = retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1874 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1875 ok = false;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1876 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1877 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1878 ok = false;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1879 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1880 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1881 retval = p->second;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1882 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1883 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1884
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1885 if (! ok)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1886 error ("unable to %s symbol_table object for scope %d!",
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1887 create ? "create" : "find", scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1888
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1889 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1890 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1891
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1892 void insert_symbol_record (const symbol_record& sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1893 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1894 table[sr.name ()] = sr;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1895 }
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	1896
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1897 void
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1898 do_dup_scope (symbol_table& new_symbol_table) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1899 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1900 for (table_const_iterator p = table.begin (); p != table.end (); p++)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1901 new_symbol_table.insert_symbol_record (p->second.dup ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1902 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1903
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1904 symbol_record do_find_symbol (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1905 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1906 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1907
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1908 if (p == table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1909 return do_insert (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1910 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1911 return p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1912 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1913
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1914 void do_inherit (scope_id donor_scope, context_id donor_context)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1915 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1916 for (table_iterator p = table.begin (); p != table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1917 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1918 symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1919
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1920 std::string nm = sr.name ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1921
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1922 if (! (sr.is_automatic () \|\| sr.is_formal () \|\| nm == "__retval__"))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1923 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1924 octave_value val
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1925 = symbol_table::varval (nm, donor_scope, donor_context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1926
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1927 if (val.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1928 {
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1929 // Currently, inherit is always called when creating a
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1930 // new table, so it only makes sense to copy values into
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1931 // the base context (== 0), but maybe the context
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1932 // should be passed in as a parameter instead?
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1933
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1934 sr.varref (0) = val;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1935
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1936 sr.mark_inherited ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1937 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1938 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1939 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1940 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1941
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1942 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1943 do_find (const std::string& name, tree_argument_list *args,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1944 const string_vector& arg_names,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1945 octave_value_list& evaluated_args, bool& args_evaluated,
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1946 bool skip_variables);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1947
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1948 symbol_record& do_insert (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1949 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1950 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1951
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1952 return p == table.end ()
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1953 ? (table[name] = symbol_record (name)) : p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1954 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1955
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1956 octave_value& do_varref (const std::string& name, context_id context)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1957 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1958 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1959
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1960 if (p == table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1961 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1962 symbol_record& sr = do_insert (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1963
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1964 return sr.varref (context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1965 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1966 else
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1967 return p->second.varref (context);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1968 }
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1969
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1970 octave_value do_varval (const std::string& name, context_id context) const
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1971 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1972 table_const_iterator p = table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1973
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	1974 return (p != table.end ()) ? p->second.varval (context) : octave_value ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1975 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1976
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1977 octave_value& do_persistent_varref (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1978 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1979 persistent_table_iterator p = persistent_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1980
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1981 return (p == persistent_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1982 ? persistent_table[name] : p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1983 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1984
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1985 octave_value do_persistent_varval (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1986 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1987 persistent_table_const_iterator p = persistent_table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1988
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1989 return (p != persistent_table.end ()) ? p->second : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1990 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1991
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1992 void do_erase_persistent (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1993 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1994 persistent_table_iterator p = persistent_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1995
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1996 if (p != persistent_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1997 persistent_table.erase (p);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1998 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1999
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2000 bool do_is_variable (const std::string& name) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2001 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2002 bool retval = false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2003
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2004 table_const_iterator p = table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2005
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2006 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2007 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2008 const symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2009
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2010 retval = sr.is_variable ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2011 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2012
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2013 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2014 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2015
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2016 void do_push_context (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2017 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2018 for (table_iterator p = table.begin (); p != table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2019 p->second.push_context ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2020 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2021
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2022 void do_pop_context (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2023 {
7374 4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2024 for (table_iterator p = table.begin (); p != table.end (); )
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2025 {
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2026 if (p->second.pop_context () == 0)
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2027 table.erase (p++);
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2028 else
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2029 p++;
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	2030 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2031 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2032
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2033 void do_clear_variables (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2034 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2035 for (table_iterator p = table.begin (); p != table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2036 p->second.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2037 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2038
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2039 void do_clear_global (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2040 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2041 table_iterator p = table.find (name);
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	2042
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2043 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2044 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2045 symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2046
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2047 if (sr.is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2048 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2049 global_table_iterator q = global_table.find (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2050
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2051 if (q != global_table.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2052 global_table.erase (q);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2053
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2054 sr.unmark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2055 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2056 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2057 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2058
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2059 void do_clear_variable (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2060 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2061 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2062
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2063 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2064 p->second.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2065 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2066
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2067 void do_clear_global_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2068 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2069 glob_match pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2070
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2071 for (table_iterator p = table.begin (); p != table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2072 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2073 symbol_record& sr = p->second;
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2074
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2075 if (sr.is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2076 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2077 if (pattern.match (sr.name ()))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2078 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2079 global_table_iterator q = global_table.find (sr.name ());
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2080
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2081 if (q != global_table.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	2082 global_table.erase (q);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2083
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2084 sr.unmark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2085 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2086 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2087 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2088 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2089
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2090 void do_clear_variable_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2091 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2092 glob_match pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2093
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2094 for (table_iterator p = table.begin (); p != table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2095 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2096 symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2097
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2098 if (sr.is_defined () \|\| sr.is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2099 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2100 if (pattern.match (sr.name ()))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2101 sr.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2102 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2103 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2104 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2105
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2106 void do_clear_variable_regexp (const std::string& pat)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2107 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2108 regex_match pattern (pat);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2109
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2110 for (table_iterator p = table.begin (); p != table.end (); p++)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2111 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2112 symbol_record& sr = p->second;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2113
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2114 if (sr.is_defined () \|\| sr.is_global ())
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2115 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2116 if (pattern.match (sr.name ()))
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2117 sr.clear ();
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2118 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2119 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2120 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2121
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2122 void do_mark_hidden (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2123 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2124 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2125
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2126 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2127 p->second.mark_hidden ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2128 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2129
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2130 void do_mark_global (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2131 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2132 table_iterator p = table.find (name);
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2133
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2134 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2135 p->second.mark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2136 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2137
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	2138 std::list<symbol_record>
71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	2139 do_all_variables (context_id context, bool defined_only) const
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2140 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2141 std::list<symbol_record> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2142
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2143 for (table_const_iterator p = table.begin (); p != table.end (); p++)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2144 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2145 const symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2146
7767 71f068b22fcc scope and context fixes for function handles John W. Eaton <jwe@octave.org> parents: 7761 diff changeset	2147 if (defined_only && ! sr.is_defined (context))
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2148 continue;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2149
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2150 retval.push_back (sr);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2151 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2152
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2153 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2154 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2155
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2156 std::list<symbol_record> do_glob (const std::string& pattern,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2157 bool vars_only = false) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2158 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2159 std::list<symbol_record> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2160
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2161 glob_match pat (pattern);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2162
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2163 for (table_const_iterator p = table.begin (); p != table.end (); p++)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2164 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2165 if (pat.match (p->first))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2166 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2167 const symbol_record& sr = p->second;
1962 d329b8ea86e8 [project @ 1996-02-16 04:24:22 by jwe] jwe parents: 1884 diff changeset	2168
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2169 if (vars_only && ! sr.is_variable ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2170 continue;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2171
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2172 retval.push_back (sr);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2173 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2174 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2175
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2176 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2177 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2178
7779 791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2179 std::list<symbol_record> do_regexp (const std::string& pattern,
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2180 bool vars_only = false) const
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2181 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2182 std::list<symbol_record> retval;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2183
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2184 regex_match pat (pattern);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2185
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2186 for (table_const_iterator p = table.begin (); p != table.end (); p++)
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2187 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2188 if (pat.match (p->first))
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2189 {
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2190 const symbol_record& sr = p->second;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2191
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2192 if (vars_only && ! sr.is_variable ())
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2193 continue;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2194
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2195 retval.push_back (sr);
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2196 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2197 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2198
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2199 return retval;
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2200 }
791231dac333 Add regexp matching to Fwho and Fclear David Bateman <dbateman@free.fr> parents: 7767 diff changeset	2201
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2202 std::list<std::string> do_variable_names (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2203 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2204 std::list<std::string> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2205
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2206 for (table_const_iterator p = table.begin (); p != table.end (); p++)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2207 retval.push_back (p->first);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2208
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2209 retval.sort ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2210
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2211 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2212 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2213
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2214 static std::map<std::string, octave_value>
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2215 subfunctions_defined_in_scope (scope_id scope = xcurrent_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2216 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2217 std::map<std::string, octave_value> retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2218
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2219 for (fcn_table_const_iterator p = fcn_table.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2220 p != fcn_table.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2221 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2222 std::pair<std::string, octave_value> tmp
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2223 = p->second.subfunction_defined_in_scope (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2224
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2225 std::string nm = tmp.first;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2226
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2227 if (! nm.empty ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2228 retval[nm] = tmp.second;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2229 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2230
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2231 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2232 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2233
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2234 bool do_is_local_variable (const std::string& name) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2235 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2236 table_const_iterator p = table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2237
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2238 return (p != table.end ()
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2239 && ! p->second.is_global ()
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2240 && p->second.is_defined ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2241 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2242
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2243 bool do_is_global (const std::string& name) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2244 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2245 table_const_iterator p = table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2246
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2247 return p != table.end () && p->second.is_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2248 }
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2249
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2250 void do_dump (std::ostream& os);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2251
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2252 void do_cache_name (const std::string& name) { table_name = name; }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	2253 };
2790 ecc1a12678de [project @ 1997-03-05 02:47:54 by jwe] jwe parents: 2404 diff changeset	2254
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2255 extern bool out_of_date_check (octave_value& function);
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	2256
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2257 #endif
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2258
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2259 /*
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2260 ;;; Local Variables: ***
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2261 ;;; mode: C++ ***
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2262 ;;; End: ***
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2263 */

Mercurial > hg > octave-nkf

annotate src/symtab.h @ 7948:af10baa63915 ss-3-1-50