octave-nkf: src/symtab.h annotate

annotate src/symtab.h @ 7761:5adeea5de26c

symbol table reporting functions

author	John W. Eaton <jwe@octave.org>
date	Tue, 06 May 2008 05:51:17 -0400
parents	e76a4a6e3c47
children	71f068b22fcc

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"
2846 52e7c4509983 [project @ 1997-03-26 23:27:35 by jwe] jwe parents: 2791 diff changeset	34
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	35 class tree_argument_list;
3013 66a1cede95e7 [project @ 1997-06-02 19:35:05 by jwe] jwe parents: 3011 diff changeset	36
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	37 #include "oct-obj.h"
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	38 #include "ov.h"
1412 5db963ba9614 [project @ 1995-09-15 08:47:17 by jwe] jwe parents: 1315 diff changeset	39
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	40 class
6109 c68896f193e3 [project @ 2006-10-27 02:16:18 by jwe] jwe parents: 6072 diff changeset	41 OCTINTERP_API
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	42 symbol_table
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	43 {
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	44 public:
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	45
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	46 typedef int scope_id;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	47 typedef size_t context_id;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	48
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	49 class
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	50 scope_id_cache
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	51 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	52 protected:
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	53
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	54 typedef std::set<scope_id>::iterator set_iterator;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	55 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	56
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	57 // 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	58 // and 1 for the top-level workspace.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	59
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	60 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	61
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	62 public:
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	63
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	64 ~scope_id_cache (void) { }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	65
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	66 static scope_id alloc (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	67 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	68 return instance_ok () ? instance->do_alloc () : -1;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	69 }
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 static void free (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	72 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	73 if (instance_ok ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	74 return instance->do_free (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	75 }
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 static std::list<scope_id> scopes (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	78 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	79 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	80 }
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 static bool instance_ok (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	83 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	84 bool retval = true;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	85
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	86 if (! instance)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	87 instance = new scope_id_cache ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	88
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	89 if (! instance)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	90 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	91 ::error ("unable to create scope_id_cache object!");
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	92
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	93 retval = false;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	94 }
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 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	97 }
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 private:
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	100
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	101 static scope_id_cache *instance;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	102
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	103 // The next available scope not in the free list.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	104 scope_id next_available;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	105
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	106 // The set of scope IDs that are currently allocated.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	107 std::set<scope_id> in_use;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	108
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	109 // The set of scope IDs that are currently available.
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	110 std::set<scope_id> free_list;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	111
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	112 scope_id do_alloc (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	113 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	114 scope_id retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	115
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	116 set_iterator p = free_list.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	117
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	118 if (p != free_list.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	119 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	120 retval = *p;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	121 free_list.erase (p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	122 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	123 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	124 retval = next_available++;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	125
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	126 in_use.insert (retval);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	127
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	128 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	129 }
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 void do_free (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	132 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	133 set_iterator p = in_use.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	134
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	135 if (p != in_use.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	136 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	137 in_use.erase (p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	138 free_list.insert (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	139 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	140 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	141 error ("free_scope: scope %d not found!", scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	142 }
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 std::list<scope_id> do_scopes (void) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	145 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	146 std::list<scope_id> retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	147
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	148 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	149 retval.push_back (*p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	150
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	151 retval.sort ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	152
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	153 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	154 }
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 class
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	158 symbol_record
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	159 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	160 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	161
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	162 // generic variable
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	163 static const unsigned int local = 1;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	164
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	165 // varargin, argn, .nargin., .nargout.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	166 // (FIXME -- is this really used now?)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	167 static const unsigned int automatic = 2;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	168
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	169 // formal parameter
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	170 static const unsigned int formal = 4;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	171
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	172 // not listed or cleared (.nargin., .nargout.)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	173 static const unsigned int hidden = 8;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	174
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	175 // inherited from parent scope; not cleared at function exit
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	176 static const unsigned int inherited = 16;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	177
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	178 // global (redirects to global scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	179 static const unsigned int global = 32;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	180
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	181 // not cleared at function exit
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	182 static const unsigned int persistent = 64;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	183
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	184 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	185
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	186 class
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	187 symbol_record_rep
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	188 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	189 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	190
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	191 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	192 unsigned int sc)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	193 : name (nm), value_stack (), storage_class (sc), count (1)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	194 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	195 value_stack.push_back (v);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	196 }
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 octave_value& varref (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	199 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	200 if (is_global ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	201 return symbol_table::global_varref (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	202 else if (is_persistent ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	203 return symbol_table::persistent_varref (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	204 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	205 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	206 context_id n = value_stack.size ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	207 while (n++ <= symbol_table::xcurrent_context)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	208 value_stack.push_back (octave_value ());
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	209
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	210 return value_stack[symbol_table::xcurrent_context];
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	211 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	212 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	213
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	214 octave_value varval (void) const
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	215 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	216 if (is_global ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	217 return symbol_table::global_varval (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	218 else if (is_persistent ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	219 return symbol_table::persistent_varval (name);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	220 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	221 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	222 if (symbol_table::xcurrent_context < value_stack.size ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	223 return value_stack[symbol_table::xcurrent_context];
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	224 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	225 return octave_value ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	226 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	227 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	228
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	229 void push_context (void)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	230 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	231 if (! (is_persistent () \|\| is_global ()))
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	232 value_stack.push_back (octave_value ());
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	233 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	234
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	235 // 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	236 // 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	237 // functions like
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	238 //
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	239 // function foo (n)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	240 // if (n > 0)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	241 // foo (n-1);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	242 // else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	243 // eval ("x = 1");
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	244 // endif
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	245 // endfunction
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	246 //
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	247 // 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	248
7374 4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	249 size_t pop_context (void)
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	250 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	251 size_t retval = 1;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	252
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	253 if (! (is_persistent () \|\| is_global ()))
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	254 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	255 value_stack.pop_back ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	256 retval = value_stack.size ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	257 }
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 return retval;
7374 4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	260 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	261
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	262 void clear (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	263 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	264 if (! (is_hidden () \|\| is_inherited ()))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	265 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	266 if (is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	267 unmark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	268
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	269 if (is_persistent ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	270 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	271 symbol_table::persistent_varref (name) = varval ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	272 unmark_persistent ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	273 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	274
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	275 varref () = octave_value ();
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	278
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	279 bool is_defined (void) const { return varval ().is_defined (); }
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 bool is_variable (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	282 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	283 return (storage_class != local \|\| is_defined ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	284 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	285
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	286 bool is_local (void) const { return storage_class & local; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	287 bool is_automatic (void) const { return storage_class & automatic; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	288 bool is_formal (void) const { return storage_class & formal; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	289 bool is_hidden (void) const { return storage_class & hidden; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	290 bool is_inherited (void) const { return storage_class & inherited; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	291 bool is_global (void) const { return storage_class & global; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	292 bool is_persistent (void) const { return storage_class & persistent; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	293
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	294 void mark_local (void) { storage_class \|= local; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	295 void mark_automatic (void) { storage_class \|= automatic; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	296 void mark_formal (void) { storage_class \|= formal; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	297 void mark_hidden (void) { storage_class \|= hidden; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	298 void mark_inherited (void) { storage_class \|= inherited; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	299 void mark_global (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	300 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	301 if (is_persistent ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	302 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	303 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	304 storage_class \|= global;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	305 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	306 void mark_persistent (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	307 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	308 if (is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	309 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	310 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	311 storage_class \|= persistent;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	312 }
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 void unmark_local (void) { storage_class &= ~local; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	315 void unmark_automatic (void) { storage_class &= ~automatic; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	316 void unmark_formal (void) { storage_class &= ~formal; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	317 void unmark_hidden (void) { storage_class &= ~hidden; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	318 void unmark_inherited (void) { storage_class &= ~inherited; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	319 void unmark_global (void) { storage_class &= ~global; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	320 void unmark_persistent (void) { storage_class &= ~persistent; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	321
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	322 void init_persistent (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	323 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	324 if (! is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	325 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	326 mark_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 varref () = symbol_table::persistent_varval (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	329 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	330 // FIXME -- this causes trouble with recursive calls.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	331 // else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	332 // error ("unable to declare existing variable persistent");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	333 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	334
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	335 void erase_persistent (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	336 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	337 unmark_persistent ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	338 symbol_table::erase_persistent (name);
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 symbol_record_rep *dup (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 return new symbol_record_rep (name, varval (), storage_class);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	344 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	345
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	346 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	347
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	348 std::string name;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	349
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	350 std::deque<octave_value> value_stack;
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 unsigned int storage_class;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	353
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	354 size_t count;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	355
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	356 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	357
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	358 // No copying!
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	359
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	360 symbol_record_rep (const symbol_record_rep& ov);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	361
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	362 symbol_record_rep& operator = (const symbol_record_rep&);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	363 };
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 public:
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 (const std::string& nm = std::string (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	368 const octave_value& v = octave_value (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	369 unsigned int sc = local)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	370 : rep (new symbol_record_rep (nm, v, sc)) { }
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 symbol_record (const symbol_record& sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	373 : rep (sr.rep)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	374 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	375 rep->count++;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	376 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	377
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	378 symbol_record& operator = (const symbol_record& sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	379 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	380 if (this != &sr)
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 = sr.rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	383 rep->count++;
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	386 return *this;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	387 }
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 ~symbol_record (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	390 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	391 if (--rep->count == 0)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	392 delete rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	393 }
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 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	396
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	397 std::string name (void) const { return rep->name; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	398
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	399 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	400 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	401 octave_value_list& evaluated_args, bool& args_evaluated) const;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	402
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	403 octave_value& varref (void) { return rep->varref (); }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	404
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	405 octave_value varval (void) const { return rep->varval (); }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	406
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	407 void push_context (void) { rep->push_context (); }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	408
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	409 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	410
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	411 void clear (void) { rep->clear (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	412
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	413 bool is_defined (void) const { return rep->is_defined (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	414 bool is_variable (void) const { return rep->is_variable (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	415
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	416 bool is_local (void) const { return rep->is_local (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	417 bool is_automatic (void) const { return rep->is_automatic (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	418 bool is_formal (void) const { return rep->is_formal (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	419 bool is_global (void) const { return rep->is_global (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	420 bool is_hidden (void) const { return rep->is_hidden (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	421 bool is_inherited (void) const { return rep->is_inherited (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	422 bool is_persistent (void) const { return rep->is_persistent (); }
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 mark_local (void) { rep->mark_local (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	425 void mark_automatic (void) { rep->mark_automatic (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	426 void mark_formal (void) { rep->mark_formal (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	427 void mark_hidden (void) { rep->mark_hidden (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	428 void mark_inherited (void) { rep->mark_inherited (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	429 void mark_global (void) { rep->mark_global (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	430 void mark_persistent (void) { rep->mark_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	431
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	432 void unmark_local (void) { rep->unmark_local (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	433 void unmark_automatic (void) { rep->unmark_automatic (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	434 void unmark_formal (void) { rep->unmark_formal (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	435 void unmark_hidden (void) { rep->unmark_hidden (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	436 void unmark_inherited (void) { rep->unmark_inherited (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	437 void unmark_global (void) { rep->unmark_global (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	438 void unmark_persistent (void) { rep->unmark_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	439
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	440 void init_persistent (void) { rep->init_persistent (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	441
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	442 void erase_persistent (void) { rep->erase_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 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	445
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	446 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	447 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	448 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	449 rep->dump (os, prefix);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	450 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	451
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	452 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	453
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	454 symbol_record_rep *rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	455
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	456 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	457 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	458
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	459 class
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	460 fcn_info
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 public:
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 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	465
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	466 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	467 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	468
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	469 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	470 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	471
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	472 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	473 typedef dispatch_map_type::iterator dispatch_map_iterator;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	474
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	475 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	476
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	477 class
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	478 fcn_info_rep
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	479 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	480 public:
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 fcn_info_rep (const std::string& nm)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	483 : name (nm), subfunctions (), private_functions (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	484 class_constructors (), class_methods (), cmdline_function (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	485 autoload_function (), function_on_path (), built_in_function (),
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	486 count (1) { }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	487
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	488 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	489
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	490 octave_value load_class_constructor (void);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	491
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	492 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	493
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	494 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	495 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	496 octave_value_list& evaluated_args, bool& args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	497
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	498 octave_value find_method (const std::string& dispatch_type);
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 octave_value find_autoload (void);
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 octave_value find_user_function (void);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	503
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	504 bool is_user_function_defined (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	505 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	506 return function_on_path.is_defined ();
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	509 octave_value find_function (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	510 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	511 octave_value_list args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	512
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	513 return find_function (args);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	514 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	515
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	516 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	517 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	518 string_vector arg_names;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	519 octave_value_list evaluated_args = args;
7753 e76a4a6e3c47 initialize args_evaluated; delete useless statement John W. Eaton <jwe@octave.org> parents: 7752 diff changeset	520 bool args_evaluated = false;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	521
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	522 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	523 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	524
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	525 void lock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	526 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	527 scope_val_iterator p = subfunctions.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	528
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	529 if (p != subfunctions.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	530 p->second.lock ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	531 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	532
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	533 void unlock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	534 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	535 scope_val_iterator p = subfunctions.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	536
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	537 if (p != subfunctions.end ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	538 p->second.unlock ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	539 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	540
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	541 std::pair<std::string, octave_value>
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	542 subfunction_defined_in_scope (scope_id scope) const
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	543 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	544 scope_val_const_iterator p = subfunctions.find (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	545
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	546 return p == subfunctions.end ()
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	547 ? std::pair<std::string, octave_value> ()
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	548 : std::pair<std::string, octave_value> (name, p->second);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	549 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	550
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	551 void install_cmdline_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	552 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	553 cmdline_function = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	554 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	555
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	556 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	557 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	558 subfunctions[scope] = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	559 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	560
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	561 void install_user_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	562 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	563 function_on_path = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	564 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	565
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	566 void install_built_in_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	567 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	568 built_in_function = f;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	569 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	570
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	571 template <class T>
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	572 void
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	573 clear_unlocked (std::map<T, octave_value>& map)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	574 {
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	575 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	576
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	577 while (p != map.end ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	578 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	579 if (p->second.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	580 p++;
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	581 else
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	582 map.erase (p++);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	583 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	584 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	585
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	586 void clear_cmdline_function (void)
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	587 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	588 if (! cmdline_function.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	589 cmdline_function = octave_value ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	590 }
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	591
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	592 void clear_autoload_function (void)
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	593 {
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	594 if (! autoload_function.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	595 autoload_function = octave_value ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	596 }
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 // 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	599 // defined" functions?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	600 void clear_user_function (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	601 {
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	602 if (! function_on_path.islocked ())
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	603 function_on_path = octave_value ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	604 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	605
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	606 void clear_mex_function (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	607 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	608 if (function_on_path.is_mex_function ())
7489 8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	609 clear_user_function ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	610 }
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 void clear (void)
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 clear_unlocked (subfunctions);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	615 clear_unlocked (private_functions);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	616 clear_unlocked (class_constructors);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	617 clear_unlocked (class_methods);
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	618 clear_cmdline_function ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	619 clear_autoload_function ();
8e4592e49fa7 don't clear locked functions John W. Eaton <jwe@octave.org> parents: 7374 diff changeset	620 clear_user_function ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	621 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	622
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	623 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	624 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	625 dispatch_map[type] = fname;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	626 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	627
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	628 void clear_dispatch (const std::string& type)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	629 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	630 dispatch_map_iterator p = dispatch_map.find (type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	631
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	632 if (p != dispatch_map.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	633 dispatch_map.erase (p);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	634 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	635
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	636 void print_dispatch (std::ostream& os) const;
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 std::string help_for_dispatch (void) const;
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 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	641
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	642 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	643
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	644 std::string name;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	645
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	646 // Scope id to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	647 std::map<scope_id, octave_value> subfunctions;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	648
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	649 // Directory name to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	650 std::map<std::string, octave_value> private_functions;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	651
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	652 // Class name to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	653 std::map<std::string, octave_value> class_constructors;
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 // Dispatch type to function object.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	656 std::map<std::string, octave_value> class_methods;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	657
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	658 // Legacy dispatch map (dispatch type name to function name).
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	659 dispatch_map_type dispatch_map;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	660
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	661 octave_value cmdline_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	662
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	663 octave_value autoload_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	664
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	665 octave_value function_on_path;
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 octave_value built_in_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	668
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	669 size_t count;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	670
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	671 private:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	672
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	673 // No copying!
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	674
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	675 fcn_info_rep (const fcn_info_rep&);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	676
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	677 fcn_info_rep& operator = (const fcn_info_rep&);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	678 };
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	679
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	680 public:
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	681
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	682 fcn_info (const std::string& nm = std::string ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	683 : rep (new fcn_info_rep (nm)) { }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	684
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	685 fcn_info (const fcn_info& ov) : rep (ov.rep)
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 rep->count++;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	688 }
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 fcn_info& operator = (const fcn_info& ov)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	691 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	692 if (this != &ov)
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	693 {
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	694 rep = ov.rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	695 rep->count++;
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	696 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	697
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	698 return *this;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	699 }
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 ~fcn_info (void)
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 if (--rep->count == 0)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	704 delete rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	705 }
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 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	708 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	709 octave_value_list& evaluated_args, bool& args_evaluated);
7336 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 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	712 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	713 return rep->find_method (dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	714 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	715
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	716 octave_value find_built_in_function (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	717 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	718 return rep->built_in_function;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	719 }
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 octave_value find_autoload (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	722 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	723 return rep->find_autoload ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	724 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	725
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	726 octave_value find_user_function (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	727 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	728 return rep->find_user_function ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	731 bool is_user_function_defined (void) const
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 return rep->is_user_function_defined ();
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	736 octave_value find_function (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	737 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	738 return rep->find_function ();
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	739 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	740
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	741 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	742 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	743 return rep->find_function (args);
7336 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
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	746 void lock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	747 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	748 rep->lock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	749 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	750
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	751 void unlock_subfunction (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	752 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	753 rep->unlock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	754 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	755
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	756 std::pair<std::string, octave_value>
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	757 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	758 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	759 return rep->subfunction_defined_in_scope (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	760 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	761
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	762 void install_cmdline_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	763 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	764 rep->install_cmdline_function (f);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	765 }
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 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	768 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	769 rep->install_subfunction (f, scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	770 }
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 void install_user_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	773 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	774 rep->install_user_function (f);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	775 }
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 void install_built_in_function (const octave_value& f)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	778 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	779 rep->install_built_in_function (f);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	780 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	781
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	782 void clear (void) { rep->clear (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	783
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	784 void clear_user_function (void) { rep->clear_user_function (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	785
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	786 void clear_mex_function (void) { rep->clear_mex_function (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	787
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	788 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	789 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	790 rep->add_dispatch (type, fname);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	791 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	792
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	793 void clear_dispatch (const std::string& type)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	794 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	795 rep->clear_dispatch (type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	796 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	797
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	798 void print_dispatch (std::ostream& os) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	799 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	800 rep->print_dispatch (os);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	801 }
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 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	804
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	805 dispatch_map_type get_dispatch (void) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	806 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	807 return rep->get_dispatch ();
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	808 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	809
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	810 void
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	811 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	812 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	813 rep->dump (os, prefix);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	814 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	815
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	816 private:
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 fcn_info_rep *rep;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	819 };
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 static scope_id global_scope (void) { return xglobal_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	822 static scope_id top_scope (void) { return xtop_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	823
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	824 static scope_id current_scope (void) { return xcurrent_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	825 static scope_id current_caller_scope (void) { return xcurrent_caller_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	826
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	827 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	828
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	829 // We use parent_scope to handle parsing subfunctions.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	830 static scope_id parent_scope (void) { return xparent_scope; }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	831
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	832 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	833
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	834 static void set_scope (scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	835 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	836 if (scope == xglobal_scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	837 error ("can't set scope to global");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	838 else if (scope != xcurrent_scope)
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 all_instances_iterator p = all_instances.find (scope);
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 if (p == all_instances.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	843 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	844 symbol_table *inst = new symbol_table ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	845
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	846 if (inst)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	847 all_instances[scope] = instance = inst;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	848 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	849 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	850 instance = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	851
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	852 xcurrent_scope = scope;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	853 xcurrent_context = instance->xcurrent_context_this_table;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	854 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	855 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	856
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	857 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	858 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	859 if (scope == xglobal_scope)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	860 error ("can't set scope to global");
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	861 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	862 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	863 if (scope != xcurrent_scope)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	864 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	865 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	866
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	867 if (p == all_instances.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	868 error ("scope not found!");
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	869 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	870 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	871 instance = p->second;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	872
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	873 xcurrent_scope = scope;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	874 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	875 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	876
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	877 if (! error_state)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	878 xcurrent_context = context;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	879 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	880 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	881
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	882 static void push_scope (scope_id scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	883 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	884 if (scope_stack.empty ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	885 scope_stack.push_front (xtop_scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	886
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	887 xcurrent_caller_scope = xcurrent_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	888
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	889 set_scope (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	890
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	891 scope_stack.push_front (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	892 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	893
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	894 static void pop_scope (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	895 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	896 scope_stack.pop_front ();
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	897
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	898 set_scope (scope_stack[0]);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	899
7346 40252ccfcb67 [project @ 2008-01-04 20:26:25 by jwe] jwe parents: 7336 diff changeset	900 xcurrent_caller_scope = scope_stack.size () > 1 ? scope_stack[1] : -1;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	901 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	902
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	903 static void pop_scope (void *) { pop_scope (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	904
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	905 static void reset_scope (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	906 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	907 scope_stack.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	908
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	909 scope_stack.push_front (xtop_scope);
572 94fd73d1a0bc [project @ 1994-07-28 05:35:47 by jwe] jwe parents: 541 diff changeset	910
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	911 set_scope (xtop_scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	912
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	913 xcurrent_caller_scope = -1;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	914 }
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 static void set_parent_scope (scope_id scope)
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 xparent_scope = 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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	921 static void reset_parent_scope (void)
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_parent_scope (-1);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	924 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	925
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	926 static void erase_scope (scope_id scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	927 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	928 assert (scope != xglobal_scope);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	929
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	930 all_instances_iterator p = all_instances.find (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	931
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	932 if (p != all_instances.end ())
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	933 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	934 delete p->second;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	935
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	936 all_instances.erase (p);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	937
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	938 free_scope (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	939 }
7336 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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	942 static scope_id dup_scope (scope_id scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	943 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	944 scope_id retval = -1;
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 symbol_table *inst = get_instance (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 if (inst)
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 scope_id new_scope = alloc_scope ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	951
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	952 symbol_table *new_symbol_table = new symbol_table ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	953
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	954 if (new_symbol_table)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	955 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	956 all_instances[new_scope] = new_symbol_table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	957
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	958 inst->do_dup_scope (*new_symbol_table);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	959
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	960 retval = new_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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	963
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	964 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	965 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	966
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	967 static std::list<scope_id> scopes (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	968 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	969 return scope_id_cache::scopes ();
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	972 static symbol_record
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	973 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	974 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	975 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	976
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	977 return inst ? inst->do_find_symbol (name) : symbol_record ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	978 }
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	979
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	980 static void inherit (scope_id scope, scope_id donor_scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	981 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	982 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	983
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	984 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	985 inst->do_inherit (donor_scope);
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	988 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	989
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	990 // 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	991 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	992 find (const std::string& name, tree_argument_list *args,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	993 const string_vector& arg_names,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	994 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	995 bool skip_variables = false);
7336 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 // 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	998 static symbol_record& insert (const std::string& name)
7336 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 static symbol_record foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1001
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1002 symbol_table *inst = get_instance (xcurrent_scope);
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1003
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1004 return inst ? inst->do_insert (name) : foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1005 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1006
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1007 static octave_value& varref (const std::string& name,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1008 scope_id scope = xcurrent_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1009 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1010 static octave_value foobar;
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_varref (name) : foobar;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1015 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1016
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1017 static octave_value varval (const std::string& name,
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1018 scope_id scope = xcurrent_scope)
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 return inst ? inst->do_varval (name) : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1023 }
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 static octave_value&
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1026 global_varref (const std::string& name)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1027 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1028 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	1029
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1030 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	1031 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1032
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1033 static octave_value
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1034 global_varval (const std::string& name)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1035 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1036 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	1037
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1038 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	1039 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1040
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1041 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	1042 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1043 static octave_value foobar;
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 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1046
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1047 return inst ? inst->do_persistent_varref (name) : foobar;
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1050 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	1051 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1052 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1053
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1054 return inst ? inst->do_persistent_varval (name) : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1055 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1056
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1057 static void erase_persistent (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1058 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1059 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1060
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1061 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1062 inst->do_erase_persistent (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1063 }
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1064
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1065 static bool is_variable (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1066 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1067 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1068
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1069 return inst ? inst->do_is_variable (name) : false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1070 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1071
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1072 static bool
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1073 is_built_in_function_name (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1074 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1075 octave_value val = find_built_in_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1076
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1077 return val.is_defined ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1078 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1079
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1080 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1081 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	1082 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1083 fcn_table_const_iterator p = fcn_table.find (name);
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1084
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1085 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1086 return p->second.find_method (dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1087 else
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 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1090
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1091 octave_value fcn = finfo.find_method (dispatch_type);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1092
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1093 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1094 fcn_table[name] = finfo;
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 return fcn;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1097 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1098 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1099
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1100 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1101 find_built_in_function (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1102 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1103 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	1104
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1105 return (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1106 ? p->second.find_built_in_function () : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1107 }
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 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1110 find_autoload (const std::string& name)
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 fcn_table_iterator p = fcn_table.find (name);
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1113
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1114 return (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1115 ? p->second.find_autoload () : octave_value ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1118 static octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1119 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	1120 const string_vector& arg_names,
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1121 octave_value_list& evaluated_args, bool& args_evaluated);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1122
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1123 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	1124 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1125 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1126
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1127 return (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1128 ? p->second.find_user_function () : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1129 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1130
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1131 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	1132 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1133 octave_value_list evaluated_args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1134
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1135 return find_function (name, evaluated_args);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1136 }
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 static octave_value
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1139 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	1140 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1141 string_vector arg_names;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1142 octave_value_list evaluated_args = args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1143 bool args_evaluated = ! args.empty ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1144
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1145 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	1146 }
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 static void install_cmdline_function (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1149 const octave_value& fcn)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1150 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1151 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1152
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1153 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1154 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1155 fcn_info& finfo = p->second;
3013 66a1cede95e7 [project @ 1997-06-02 19:35:05 by jwe] jwe parents: 3011 diff changeset	1156
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1157 finfo.install_cmdline_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1158 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1159 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1160 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1161 fcn_info finfo (name);
195 13c6086c325c [project @ 1993-11-06 10:12:29 by jwe] jwe parents: 186 diff changeset	1162
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1163 finfo.install_cmdline_function (fcn);
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[name] = finfo;
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1168
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1169 static void install_subfunction (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1170 const octave_value& fcn,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1171 scope_id scope = xparent_scope)
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 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1174
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1175 if (p != fcn_table.end ())
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 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1178
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1179 finfo.install_subfunction (fcn, scope);
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 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1182 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1183 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1184
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1185 finfo.install_subfunction (fcn, scope);
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 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1188 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1189 }
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 static void install_user_function (const std::string& name,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1192 const octave_value& fcn)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1193 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1194 fcn_table_iterator p = fcn_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1195
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1196 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1197 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1198 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1199
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1200 finfo.install_user_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1201 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1202 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1203 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1204 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1205
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1206 finfo.install_user_function (fcn);
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 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1209 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1210 }
605 4f65175911a6 [project @ 1994-08-13 20:10:39 by jwe] jwe parents: 572 diff changeset	1211
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1212 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	1213 const octave_value& fcn)
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 fcn_table_iterator p = fcn_table.find (name);
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 if (p != fcn_table.end ())
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 fcn_info& finfo = p->second;
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 finfo.install_built_in_function (fcn);
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 else
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 fcn_info finfo (name);
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 finfo.install_built_in_function (fcn);
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 fcn_table[name] = finfo;
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1232
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1233 static void clear (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1234 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1235 clear_variable (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1236 }
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 static void clear_all (void)
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 clear_variables ();
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 clear_functions ();
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1245 static void clear_variables (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1246 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1247 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1248
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1249 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1250 inst->do_clear_variables ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1251 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1252
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1253 // For unwind_protect.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1254 static void clear_variables (void *) { clear_variables (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1255
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1256 static void clear_functions (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1257 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1258 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	1259 p->second.clear ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1262 static void clear_function (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1263 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1264 clear_user_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1265 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1266
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1267 static void clear_global (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1268 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1269 symbol_table *inst = get_instance (xcurrent_scope);
7336 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 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1272 inst->do_clear_global (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1273 }
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 static void clear_variable (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1276 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1277 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1278
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1279 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1280 inst->do_clear_variable (name);
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1283 static void clear_symbol (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1284 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1285 // FIXME -- are we supposed to do both here?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1286
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1287 clear_variable (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1288 clear_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1289 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1290
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1291 static void clear_function_pattern (const std::string& pat)
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 glob_match pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1294
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1295 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	1296 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1297 if (pattern.match (p->first))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1298 p->second.clear_user_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1299 }
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1302 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	1303 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1304 symbol_table *inst = get_instance (xcurrent_scope);
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1305
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1306 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1307 inst->do_clear_global_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1308 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1309
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1310 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	1311 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1312 symbol_table *inst = get_instance (xcurrent_scope);
7336 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 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1315 inst->do_clear_variable_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1316 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1317
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1318 static void clear_symbol_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1319 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1320 // FIXME -- are we supposed to do both here?
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 clear_variable_pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1323 clear_function_pattern (pat);
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1326 static void clear_user_function (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1327 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1328 fcn_table_iterator p = fcn_table.find (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 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1331 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1332 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1333
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1334 finfo.clear_user_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1335 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1336 // FIXME -- is this necessary, or even useful?
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1337 // else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1338 // error ("clear: no such function `%s'", name.c_str ());
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 static void clear_mex_functions (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1342 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1343 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	1344 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1345 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1346
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1347 finfo.clear_mex_function ();
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1350
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1351 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	1352 const std::string& name)
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 octave_value fcn = find_built_in_function (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1355
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1356 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1357 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1358 fcn_info finfo (alias);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1359
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1360 finfo.install_built_in_function (fcn);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1361
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1362 fcn_table[alias] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1363 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1364 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1365 panic ("alias: `%s' is undefined", name.c_str ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1366 }
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 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	1369 const std::string& fname)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1370 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1371 fcn_table_iterator p = fcn_table.find (name);
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 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1374 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1375 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1376
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1377 finfo.add_dispatch (type, fname);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1378 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1379 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1380 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1381 fcn_info finfo (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1382
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1383 finfo.add_dispatch (type, fname);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1384
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1385 fcn_table[name] = finfo;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1386 }
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_dispatch (const std::string& name, const std::string& type)
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 fcn_table_iterator p = fcn_table.find (name);
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 if (p != fcn_table.end ())
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 fcn_info& finfo = p->second;
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 finfo.clear_dispatch (type);
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1400
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1401 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	1402 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1403 fcn_table_iterator p = fcn_table.find (name);
4009 27e461aed956 [project @ 2002-07-31 09:33:03 by jwe] jwe parents: 3968 diff changeset	1404
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1405 if (p != fcn_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1406 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1407 fcn_info& finfo = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1408
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1409 finfo.print_dispatch (os);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1410 }
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1413 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	1414 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1415 fcn_info::dispatch_map_type retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1416
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1417 fcn_table_iterator p = fcn_table.find (name);
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 if (p != fcn_table.end ())
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 fcn_info& finfo = p->second;
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 retval = finfo.get_dispatch ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1426 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1427 }
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 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	1430 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1431 std::string retval;
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_iterator p = fcn_table.find (name);
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 if (p != fcn_table.end ())
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 fcn_info& finfo = p->second;
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 retval = finfo.help_for_dispatch ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1442 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1443 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1444
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1445 static void push_context (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1446 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1447 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	1448 error ("invalid call to xymtab::push_context");
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1449 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1450 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1451 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1452
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1453 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1454 inst->do_push_context ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1455 }
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1458 static void pop_context (void)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1459 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1460 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	1461 error ("invalid call to xymtab::pop_context");
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1462 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1463 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1464 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1465
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1466 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1467 inst->do_pop_context ();
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 }
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 // For unwind_protect.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1472 static void pop_context (void *) { pop_context (); }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1473
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1474 static void mark_hidden (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1475 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1476 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1477
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1478 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1479 inst->do_mark_hidden (name);
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
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1482 static void mark_global (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1483 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1484 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1485
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1486 if (inst)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1487 inst->do_mark_global (name);
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 static std::list<symbol_record>
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1491 all_variables (scope_id scope = xcurrent_scope, bool defined_only = true)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1492 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1493 symbol_table *inst = get_instance (scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1494
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1495 return inst
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1496 ? inst->do_all_variables (defined_only) : std::list<symbol_record> ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1497 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1498
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1499 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	1500 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1501 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1502
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1503 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	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 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	1507 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1508 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1509
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1510 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	1511 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1512
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1513 static std::list<symbol_record>
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1514 glob_global_variables (const std::string& pattern)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1515 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1516 std::list<symbol_record> retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1517
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1518 glob_match pat (pattern);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1519
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1520 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	1521 p != global_table.end (); p++)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1522 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1523 // 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	1524 // 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	1525 // may be handled the same way.
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1526
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1527 if (pat.match (p->first))
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1528 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	1529 symbol_record::global));
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1530 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1531
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1532 return retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1533 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1534
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1535 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	1536 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1537 std::list<symbol_record> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1538
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1539 size_t len = patterns.length ();
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1540
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1541 for (size_t i = 0; i < len; i++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1542 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1543 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	1544
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1545 retval.insert (retval.begin (), tmp.begin (), tmp.end ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1546 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1547
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1548 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1549 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1550
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1551 static std::list<std::string> user_function_names (void)
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 std::list<std::string> retval;
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 for (fcn_table_iterator p = fcn_table.begin ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1556 p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1557 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1558 if (p->second.is_user_function_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1559 retval.push_back (p->first);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1560 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1561
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1562 if (! retval.empty ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1563 retval.sort ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1564
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1565 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1566 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1567
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1568 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	1569 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1570 std::list<std::string> retval;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1571
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1572 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	1573 p != global_table.end (); p++)
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1574 retval.push_back (p->first);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1575
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1576 retval.sort ();
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1577
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1578 return retval;
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
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1581 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	1582 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1583 symbol_table *inst = get_instance (xtop_scope);
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1584
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1585 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	1586 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1587
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1588 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	1589 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1590 symbol_table *inst = get_instance (xcurrent_scope);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1591
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1592 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	1593 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1594
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1595 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	1596 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1597 std::list<std::string> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1598
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1599 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	1600 p != fcn_table.end (); p++)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1601 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1602 octave_value fcn = p->second.find_built_in_function ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1603
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1604 if (fcn.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1605 retval.push_back (p->first);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1606 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1607
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1608 if (! retval.empty ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1609 retval.sort ();
220 f736a3ec137e [project @ 1993-11-14 00:10:26 by jwe] jwe parents: 200 diff changeset	1610
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1611 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1612 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1613
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1614 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	1615 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1616 if (xcurrent_scope == xglobal_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1617 return false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1618 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1619 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1620 symbol_table *inst = get_instance (xcurrent_scope);
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5823 diff changeset	1621
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1622 return inst ? inst->do_is_local_variable (name) : false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1623 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1624 }
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5823 diff changeset	1625
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1626 static bool is_global (const std::string& name)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1627 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1628 if (xcurrent_scope == xglobal_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1629 return true;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1630 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1631 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1632 symbol_table *inst = get_instance (xcurrent_scope);
7336 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 inst ? inst->do_is_global (name) : false;
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 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1637
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1638 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	1639
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1640 static void dump_global (std::ostream& os);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1641
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1642 static void dump_functions (std::ostream& os);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1643
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1644 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	1645 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1646 symbol_table *inst = get_instance (scope, false);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1647
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1648 if (inst)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1649 inst->do_cache_name (name);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1650 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1651
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1652 static void lock_subfunctions (scope_id scope = xcurrent_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1653 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1654 for (fcn_table_iterator p = fcn_table.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1655 p != fcn_table.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1656 p->second.lock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1657 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1658
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1659 static void unlock_subfunctions (scope_id scope = xcurrent_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1660 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1661 for (fcn_table_iterator p = fcn_table.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1662 p != fcn_table.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1663 p->second.unlock_subfunction (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1664 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1665
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1666 static void free_scope (scope_id scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1667 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1668 if (scope == xglobal_scope \|\| scope == xtop_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1669 error ("can't free global or top-level scopes!");
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1670 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1671 symbol_table::scope_id_cache::free (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1672 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1673
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1674 private:
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1675
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1676 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	1677 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	1678
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1679 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	1680 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	1681
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1682 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	1683 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	1684
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1685 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	1686 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	1687
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1688 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	1689 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	1690
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1691 // 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	1692 // corresponding to the scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1693 std::string table_name;
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 // Map from symbol names to symbol info.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1696 std::map<std::string, symbol_record> table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1697
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1698 // 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	1699 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	1700
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1701 // Map from names of persistent variables to values.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1702 std::map<std::string, octave_value> persistent_table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1703
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1704 // Pointer to symbol table for current scope (variables only).
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1705 static symbol_table *instance;
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1706
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1707 // Map from scope id to symbol table instances.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1708 static std::map<scope_id, symbol_table*> all_instances;
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 // Map from function names to function info (subfunctions, private
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1711 // functions, class constructors, class methods, etc.)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1712 static std::map<std::string, fcn_info> fcn_table;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1713
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1714 static const scope_id xglobal_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1715 static const scope_id xtop_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1716
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1717 static scope_id xcurrent_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1718 static scope_id xcurrent_caller_scope;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1719
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1720 // We use parent_scope to handle parsing subfunctions.
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1721 static scope_id xparent_scope;
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 // Used to handle recursive calls.
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1724 context_id xcurrent_context_this_table;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1725 static context_id xcurrent_context;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1726
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1727 static std::deque<scope_id> scope_stack;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1728
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1729 symbol_table (void)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1730 : table_name (), table (), xcurrent_context_this_table () { }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1731
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1732 ~symbol_table (void) { }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: 2979 diff changeset	1733
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1734 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	1735 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1736 symbol_table *retval = 0;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1737
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1738 bool ok = true;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1739
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1740 if (scope != xglobal_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1741 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1742 if (scope == xcurrent_scope)
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1743 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1744 if (! instance && create)
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1745 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1746 symbol_table *inst = new symbol_table ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1747
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1748 if (inst)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1749 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1750 all_instances[scope] = instance = inst;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1751
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1752 if (scope == xtop_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1753 instance->do_cache_name ("top-level");
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1754 }
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1755 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1756
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1757 if (! instance)
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1758 ok = false;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1759
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1760 retval = instance;
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1761 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1762 else
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1763 {
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1764 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	1765
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1766 if (p == all_instances.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1767 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1768 if (create)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1769 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1770 retval = new symbol_table ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1771
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1772 if (retval)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1773 all_instances[scope] = retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1774 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1775 ok = false;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1776 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1777 else
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1778 ok = false;
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1779 }
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1780 else
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1781 retval = p->second;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1782 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1783 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1784
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1785 if (! ok)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1786 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	1787 create ? "create" : "find", scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1788
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1789 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1790 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1791
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1792 void insert_symbol_record (const symbol_record& sr)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1793 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1794 table[sr.name ()] = sr;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1795 }
4238 a5a68c0afe56 [project @ 2002-12-25 21:04:33 by jwe] jwe parents: 4234 diff changeset	1796
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1797 void
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1798 do_dup_scope (symbol_table& new_symbol_table) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1799 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1800 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	1801 new_symbol_table.insert_symbol_record (p->second.dup ());
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1802 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1803
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1804 symbol_record do_find_symbol (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1805 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1806 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1807
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1808 if (p == table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1809 return do_insert (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1810 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1811 return p->second;
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1814 void do_inherit (scope_id donor_scope)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1815 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1816 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	1817 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1818 symbol_record& sr = p->second;
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 std::string nm = sr.name ();
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 if (! (sr.is_automatic () \|\| sr.is_formal () \|\| nm == "__retval__"))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1823 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1824 octave_value val = symbol_table::varval (nm, donor_scope);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1825
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1826 if (val.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1827 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1828 sr.varref () = val;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1829
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1830 sr.mark_inherited ();
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1833 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1834 }
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 octave_value
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1837 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	1838 const string_vector& arg_names,
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1839 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	1840 bool skip_variables);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1841
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1842 symbol_record& do_insert (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1843 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1844 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1845
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1846 return p == table.end ()
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1847 ? (table[name] = symbol_record (name)) : p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1848 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1849
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1850 octave_value& do_varref (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1851 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1852 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1853
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1854 if (p == table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1855 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1856 symbol_record& sr = do_insert (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1857
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1858 return sr.varref ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1859 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1860 else
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1861 return p->second.varref ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1862 }
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1863
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1864 octave_value do_varval (const std::string& name) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1865 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1866 table_const_iterator p = table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1867
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1868 return (p != table.end ()) ? p->second.varval () : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1869 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1870
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1871 octave_value& do_persistent_varref (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1872 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1873 persistent_table_iterator p = persistent_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1874
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1875 return (p == persistent_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1876 ? persistent_table[name] : p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1877 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1878
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1879 octave_value do_persistent_varval (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1880 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1881 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	1882
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1883 return (p != persistent_table.end ()) ? p->second : octave_value ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1884 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1885
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1886 void do_erase_persistent (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1887 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1888 persistent_table_iterator p = persistent_table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1889
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1890 if (p != persistent_table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1891 persistent_table.erase (p);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1892 }
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 bool do_is_variable (const std::string& name) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1895 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1896 bool retval = false;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1897
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	1898 table_const_iterator p = table.find (name);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1899
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1900 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1901 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1902 const symbol_record& sr = p->second;
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 retval = sr.is_variable ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1907 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1908 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1909
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1910 void do_push_context (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1911 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1912 xcurrent_context = ++xcurrent_context_this_table;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1913
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1914 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	1915 p->second.push_context ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1916 }
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 void do_pop_context (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1919 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1920 xcurrent_context = --xcurrent_context_this_table;
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1921
7374 4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1922 for (table_iterator p = table.begin (); p != table.end (); )
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1923 {
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1924 if (p->second.pop_context () == 0)
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1925 table.erase (p++);
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1926 else
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1927 p++;
4ff9611147ba [project @ 2008-01-15 00:50:50 by jwe] jwe parents: 7346 diff changeset	1928 }
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1929 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1930
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1931 void do_clear_variables (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1932 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1933 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	1934 p->second.clear ();
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1937 void do_clear_global (const std::string& name)
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 table_iterator p = table.find (name);
4913 c8368716bab3 [project @ 2004-07-23 16:00:48 by jwe] jwe parents: 4319 diff changeset	1940
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1941 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1942 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1943 symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1944
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1945 if (sr.is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1946 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1947 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	1948
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1949 if (q != global_table.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1950 global_table.erase (q);
7336 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 sr.unmark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1953 }
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1956
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1957 void do_clear_variable (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1958 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1959 table_iterator p = table.find (name);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1960
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1961 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1962 p->second.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1963 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1964
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1965 void do_clear_global_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1966 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1967 glob_match pattern (pat);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1968
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1969 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	1970 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1971 symbol_record& sr = p->second;
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	1972
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1973 if (sr.is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1974 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1975 if (pattern.match (sr.name ()))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1976 {
7752 40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1977 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	1978
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1979 if (q != global_table.end ())
40c428ea3408 initial implementation of dbup and dbdown John W. Eaton <jwe@octave.org> parents: 7489 diff changeset	1980 global_table.erase (q);
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1981
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1982 sr.unmark_global ();
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1986 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1987
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1988 void do_clear_variable_pattern (const std::string& pat)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1989 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1990 glob_match pattern (pat);
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 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	1993 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1994 symbol_record& sr = p->second;
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 (sr.is_defined () \|\| sr.is_global ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1997 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1998 if (pattern.match (sr.name ()))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	1999 sr.clear ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2000 }
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 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2003
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2004 void do_mark_hidden (const std::string& name)
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 table_iterator p = table.find (name);
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 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2009 p->second.mark_hidden ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2010 }
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 void do_mark_global (const std::string& name)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2013 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2014 table_iterator p = table.find (name);
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2015
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2016 if (p != table.end ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2017 p->second.mark_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2018 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2019
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2020 std::list<symbol_record> do_all_variables (bool defined_only) const
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 std::list<symbol_record> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2023
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2024 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	2025 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2026 const symbol_record& sr = p->second;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2027
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2028 if (defined_only && ! sr.is_defined ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2029 continue;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2030
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2031 retval.push_back (sr);
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2034 return retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2035 }
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2036
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2037 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	2038 bool vars_only = false) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2039 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2040 std::list<symbol_record> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2041
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2042 glob_match pat (pattern);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2043
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2044 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	2045 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2046 if (pat.match (p->first))
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2047 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2048 const symbol_record& sr = p->second;
1962 d329b8ea86e8 [project @ 1996-02-16 04:24:22 by jwe] jwe parents: 1884 diff changeset	2049
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2050 if (vars_only && ! sr.is_variable ())
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2051 continue;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2052
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2053 retval.push_back (sr);
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2054 }
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 return retval;
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2060 std::list<std::string> do_variable_names (void)
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2061 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2062 std::list<std::string> retval;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2063
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2064 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	2065 retval.push_back (p->first);
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 retval.sort ();
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 return retval;
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
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2072 static std::map<std::string, octave_value>
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2073 subfunctions_defined_in_scope (scope_id scope = xcurrent_scope)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2074 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2075 std::map<std::string, octave_value> retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2076
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2077 for (fcn_table_const_iterator p = fcn_table.begin ();
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2078 p != fcn_table.end (); p++)
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2079 {
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2080 std::pair<std::string, octave_value> tmp
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2081 = p->second.subfunction_defined_in_scope (scope);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2082
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2083 std::string nm = tmp.first;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2084
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2085 if (! nm.empty ())
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2086 retval[nm] = tmp.second;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2087 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2088
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2089 return retval;
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2090 }
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2091
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2092 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	2093 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2094 table_const_iterator p = table.find (name);
7336 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 return (p != table.end ()
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2097 && ! p->second.is_global ()
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2098 && p->second.is_defined ());
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
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2101 bool do_is_global (const std::string& name) const
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2102 {
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2103 table_const_iterator p = table.find (name);
7336 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 return p != table.end () && p->second.is_global ();
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2106 }
7761 5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2107
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2108 void do_dump (std::ostream& os);
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2109
5adeea5de26c symbol table reporting functions John W. Eaton <jwe@octave.org> parents: 7753 diff changeset	2110 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	2111 };
2790 ecc1a12678de [project @ 1997-03-05 02:47:54 by jwe] jwe parents: 2404 diff changeset	2112
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7067 diff changeset	2113 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	2114
8 bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2115 #endif
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2116
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2117 /*
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2118 ;;; Local Variables: ***
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2119 ;;; mode: C++ ***
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2120 ;;; End: ***
bd072d0a95f9 [project @ 1993-08-08 03:55:11 by jwe] jwe parents: diff changeset	2121 */

Mercurial > octave-nkf

annotate src/symtab.h @ 7761:5adeea5de26c