octave: libinterp/parse-tree/pt-check.cc annotate

annotate libinterp/parse-tree/pt-check.cc @ 27919:1891570abac8

update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.

author	John W. Eaton <jwe@octave.org>
date	Mon, 06 Jan 2020 22:29:51 -0500
parents	b442ec6dda5c
children	bd51beb6205e

rev	line source
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	1 /*
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	2
27919 1891570abac8 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 27918 diff changeset	3 Copyright (C) 1996-2020 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27725 diff changeset	4
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27725 diff changeset	5 See the file COPYRIGHT.md in the top-level directory of this distribution
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27725 diff changeset	6 or <https://octave.org/COPYRIGHT.html/>.
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27725 diff changeset	7
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	8
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	9 This file is part of Octave.
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	10
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23469 diff changeset	11 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22417 diff changeset	12 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23469 diff changeset	13 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22417 diff changeset	14 (at your option) any later version.
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	15
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22417 diff changeset	16 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22417 diff changeset	17 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22417 diff changeset	18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22417 diff changeset	19 GNU General Public License for more details.
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	20
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	21 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: 6215 diff changeset	22 along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23469 diff changeset	23 <https://www.gnu.org/licenses/>.
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	24
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	25 */
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	26
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	27 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	28 # include "config.h"
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	29 #endif
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	30
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	31 #include "error.h"
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	32 #include "input.h"
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	33 #include "ov-usr-fcn.h"
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	34 #include "pt-all.h"
2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	35
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	36 namespace octave
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	37 {
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	38 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	39 tree_checker::visit_argument_list (tree_argument_list& lst)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	40 {
25337 3ff9192b676e use auto keyword to declare iterator variables where possible John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	41 auto p = lst.begin ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	42
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	43 while (p != lst.end ())
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	44 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	45 tree_expression elt = p++;
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	46
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	47 if (elt)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	48 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	49 if (m_do_lvalue_check && ! elt->lvalue_ok ())
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	50 errmsg ("invalid lvalue in multiple assignment", elt->line ());
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	51 }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	52 }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	53 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	54
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	55 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	56 tree_checker::visit_simple_for_command (tree_simple_for_command& cmd)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	57 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	58 tree_expression *lhs = cmd.left_hand_side ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	59
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	60 if (lhs)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	61 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	62 if (! lhs->lvalue_ok ())
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	63 errmsg ("invalid lvalue in for command", cmd.line ());
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	64 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	65
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	66 tree_expression *expr = cmd.control_expr ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	67
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	68 if (expr)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	69 expr->accept (*this);
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	70
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	71 tree_expression *maxproc = cmd.maxproc_expr ();
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	72
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	73 if (maxproc)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	74 maxproc->accept (*this);
13245 027a2186cd90 parfor keyword and infrastructure, but handle parfor as normal for loop for now John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	75
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	76 tree_statement_list *list = cmd.body ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	77
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	78 if (list)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	79 list->accept (*this);
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	80 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	81
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	82 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	83 tree_checker::visit_complex_for_command (tree_complex_for_command& cmd)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	84 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	85 tree_argument_list *lhs = cmd.left_hand_side ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	86
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	87 if (lhs)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	88 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	89 int len = lhs->length ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	90
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	91 if (len == 0 \|\| len > 2)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	92 errmsg ("invalid number of output arguments in for command",
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	93 cmd.line ());
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	94
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	95 m_do_lvalue_check = true;
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	96
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	97 lhs->accept (*this);
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	98
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	99 m_do_lvalue_check = false;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	100 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	101
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	102 tree_expression *expr = cmd.control_expr ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	103
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	104 if (expr)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	105 expr->accept (*this);
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	106
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	107 tree_statement_list *list = cmd.body ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	108
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	109 if (list)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	110 list->accept (*this);
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	111 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	112
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	113 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	114 tree_checker::visit_multi_assignment (tree_multi_assignment& expr)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	115 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	116 tree_argument_list *lhs = expr.left_hand_side ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	117
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	118 if (lhs)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	119 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	120 m_do_lvalue_check = true;
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	121
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	122 lhs->accept (*this);
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	123
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	124 m_do_lvalue_check = false;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	125 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	126
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	127 tree_expression *rhs = expr.right_hand_side ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	128
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	129 if (rhs)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	130 rhs->accept (*this);
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	131 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	132
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	133 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	134 tree_checker::visit_simple_assignment (tree_simple_assignment& expr)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	135 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	136 tree_expression *lhs = expr.left_hand_side ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	137
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	138 if (lhs)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	139 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	140 if (! lhs->lvalue_ok ())
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	141 errmsg ("invalid lvalue in assignment", expr.line ());
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	142 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	143
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	144 tree_expression *rhs = expr.right_hand_side ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	145
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	146 if (rhs)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	147 rhs->accept (*this);
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	148 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	149
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	150 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	151 tree_checker::visit_try_catch_command (tree_try_catch_command& cmd)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	152 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	153 tree_statement_list *try_code = cmd.body ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	154
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	155 tree_identifier *expr_id = cmd.identifier ();
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16203 diff changeset	156
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	157 if (expr_id)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	158 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	159 if (! expr_id->lvalue_ok ())
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	160 errmsg ("invalid lvalue used for identifier in try-catch command",
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	161 cmd.line ());
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	162 }
17249 923ce8b42db2 improve try-catch-statement to save exception to a variable (bug #33217) Stefan Mahr <dac922@gmx.de> parents: 16203 diff changeset	163
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	164 if (try_code)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	165 try_code->accept (*this);
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	166
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	167 tree_statement_list *catch_code = cmd.cleanup ();
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	168
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	169 if (catch_code)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	170 catch_code->accept (*this);
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	171 }
3011 2ad9af85b89b [project @ 1997-06-01 19:34:20 by jwe] jwe parents: diff changeset	172
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	173 void
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	174 tree_checker::errmsg (const std::string& msg, int line)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	175 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	176 if (m_file_name.empty ())
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	177 error ("%s", msg.c_str ());
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	178 else
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	179 error ("%s: %d: %s", m_file_name.c_str (), line, msg.c_str ());
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22872 diff changeset	180 }
4229 40153a2affd6 [project @ 2002-12-18 20:37:32 by jwe] jwe parents: 4219 diff changeset	181 }

Mercurial > octave

annotate libinterp/parse-tree/pt-check.cc @ 27919:1891570abac8