octave: libinterp/parse-tree/pt-exp.h annotate

annotate libinterp/parse-tree/pt-exp.h @ 23075:4e3d47dc7e25

move parse tree classes inside octave namespace * lex.h, lex.ll, oct-parse.in.yy, parse.h, pt-all.h, pt-arg-list.cc, pt-arg-list.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt.cc, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.cc, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-funcall.cc, pt-funcall.h, pt.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.cc, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-stmt.cc, pt-stmt.h, pt-unop.cc, pt-unop.h, pt-walk.h, token.cc, token.h: Move classes and most functions inside octave namespace. Change all uses.

author	John W. Eaton <jwe@octave.org>
date	Thu, 19 Jan 2017 23:41:54 -0500
parents	f75d289645ec
children	ef4d915df748

rev	line source
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	1 /*
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	2
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22196 diff changeset	3 Copyright (C) 1996-2016 John W. Eaton
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	4
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	6
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	8 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	10 (at your option) any later version.
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15 GNU General Public License for more details.
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	16
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	17 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: 5861 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5861 diff changeset	19 <http://www.gnu.org/licenses/>.
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	20
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	21 */
bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	22
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19697 diff changeset	23 #if ! defined (octave_pt_exp_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17787 diff changeset	24 #define octave_pt_exp_h 1
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	25
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	26 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	27
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: 2979 diff changeset	28 #include <string>
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10313 diff changeset	29 #include <list>
2124 97a566037a75 [project @ 1996-05-12 07:16:36 by jwe] jwe parents: 2086 diff changeset	30
2879 4309724baab6 [project @ 1997-04-24 09:30:23 by jwe] jwe parents: 2859 diff changeset	31 class octave_value;
2979 a3556d2adec9 [project @ 1997-05-15 22:35:37 by jwe] jwe parents: 2971 diff changeset	32 class octave_lvalue;
2879 4309724baab6 [project @ 1997-04-24 09:30:23 by jwe] jwe parents: 2859 diff changeset	33
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	34 #include "pt.h"
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	35 #include "symtab.h"
2124 97a566037a75 [project @ 1996-05-12 07:16:36 by jwe] jwe parents: 2086 diff changeset	36
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	37 namespace octave
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	38 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	39 // A base class for expressions.
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	40
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	41 class tree_expression : public tree
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	42 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	43 public:
2388 4be11abb8d8c [project @ 1996-10-12 18:53:51 by jwe] jwe parents: 2124 diff changeset	44
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	45 tree_expression (int l = -1, int c = -1)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	46 : tree (l, c), num_parens (0), postfix_index_type ('\0'),
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	47 for_cmd_expr (false), print_flag (false) { }
2388 4be11abb8d8c [project @ 1996-10-12 18:53:51 by jwe] jwe parents: 2124 diff changeset	48
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	49 // No copying!
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	50
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	51 tree_expression (const tree_expression&) = delete;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	52
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	53 tree_expression& operator = (const tree_expression&) = delete;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	54
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	55 virtual ~tree_expression (void) = default;
2388 4be11abb8d8c [project @ 1996-10-12 18:53:51 by jwe] jwe parents: 2124 diff changeset	56
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	57 virtual bool has_magic_end (void) const = 0;
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4192 diff changeset	58
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	59 virtual tree_expression *dup (symbol_table::scope_id,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	60 symbol_table::context_id context) const = 0;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5307 diff changeset	61
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	62 virtual bool is_constant (void) const { return false; }
2388 4be11abb8d8c [project @ 1996-10-12 18:53:51 by jwe] jwe parents: 2124 diff changeset	63
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	64 virtual bool is_matrix (void) const { return false; }
16273 c5e5f6ccac5d 9/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 15606 diff changeset	65
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	66 virtual bool is_cell (void) const { return false; }
2388 4be11abb8d8c [project @ 1996-10-12 18:53:51 by jwe] jwe parents: 2124 diff changeset	67
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	68 virtual bool is_identifier (void) const { return false; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	69
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	70 virtual bool is_index_expression (void) const { return false; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	71
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	72 virtual bool is_assignment_expression (void) const { return false; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	73
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	74 virtual bool is_prefix_expression (void) const { return false; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	75
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	76 virtual bool is_unary_expression (void) const { return false; }
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7767 diff changeset	77
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	78 virtual bool is_binary_expression (void) const { return false; }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 3933 diff changeset	79
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	80 virtual bool is_boolean_expression (void) const { return false; }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 3933 diff changeset	81
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	82 virtual bool is_logically_true (const char *);
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	83
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	84 virtual bool lvalue_ok (void) const { return false; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	85
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	86 virtual bool rvalue_ok (void) const { return false; }
2124 97a566037a75 [project @ 1996-05-12 07:16:36 by jwe] jwe parents: 2086 diff changeset	87
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	88 virtual octave_value rvalue1 (int nargout = 1);
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	89
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	90 virtual octave_value_list rvalue (int nargout);
2879 4309724baab6 [project @ 1997-04-24 09:30:23 by jwe] jwe parents: 2859 diff changeset	91
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	92 virtual octave_value_list
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	93 rvalue (int nargout, const std::list<octave_lvalue> *lvalue_list);
10832 1b2fcd122c6a allow user detect ignored outputs in m-functions Jaroslav Hajek <highegg@gmail.com> parents: 10313 diff changeset	94
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	95 virtual octave_lvalue lvalue (void);
2879 4309724baab6 [project @ 1997-04-24 09:30:23 by jwe] jwe parents: 2859 diff changeset	96
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	97 int paren_count (void) const { return num_parens; }
2124 97a566037a75 [project @ 1996-05-12 07:16:36 by jwe] jwe parents: 2086 diff changeset	98
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	99 bool is_postfix_indexed (void) const { return (postfix_index_type != '\0'); }
15954 46ca8488de92 Re-engineer tree_expression postfix handling to make it more flexible. Michael Goffioul <michael.goffioul@gmail.com> parents: 15606 diff changeset	100
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	101 char postfix_index (void) const { return postfix_index_type; }
2124 97a566037a75 [project @ 1996-05-12 07:16:36 by jwe] jwe parents: 2086 diff changeset	102
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	103 // Check if the result of the expression should be printed.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	104 // Should normally be used in conjunction with
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	105 // octave::tree_evaluator::statement_printing_enabled.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	106 bool print_result (void) const { return print_flag; }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	107
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	108 virtual std::string oper (void) const { return "<unknown>"; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	109
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	110 virtual std::string name (void) const { return "<unknown>"; }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	111
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	112 virtual std::string original_text (void) const;
2124 97a566037a75 [project @ 1996-05-12 07:16:36 by jwe] jwe parents: 2086 diff changeset	113
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	114 virtual void mark_braindead_shortcircuit (void) { }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	115
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	116 void mark_as_for_cmd_expr (void) { for_cmd_expr = true; }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	117
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	118 bool is_for_cmd_expr (void) const { return for_cmd_expr; }
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10832 diff changeset	119
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	120 tree_expression *mark_in_parens (void)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	121 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	122 num_parens++;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	123 return this;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	124 }
19394 b39cbe9f3bb0 allow ranges to be disabled John W. Eaton <jwe@octave.org> parents: 18132 diff changeset	125
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	126 tree_expression *set_postfix_index (char type)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	127 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	128 postfix_index_type = type;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	129 return this;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	130 }
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	131
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	132 tree_expression *set_print_flag (bool print)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	133 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	134 print_flag = print;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	135 return this;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	136 }
2971 f2be17e6f1ea [project @ 1997-05-15 18:55:44 by jwe] jwe parents: 2960 diff changeset	137
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	138 virtual void copy_base (const tree_expression& e)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	139 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	140 num_parens = e.num_parens;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	141 postfix_index_type = e.postfix_index_type;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	142 print_flag = e.print_flag;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	143 }
2971 f2be17e6f1ea [project @ 1997-05-15 18:55:44 by jwe] jwe parents: 2960 diff changeset	144
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	145 protected:
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5307 diff changeset	146
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	147 // A count of the number of times this expression appears directly
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	148 // inside a set of parentheses.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	149 //
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	150 // (((e1)) + e2) ==> 2 for expression e1
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	151 // ==> 1 for expression ((e1)) + e2
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	152 // ==> 0 for expression e2
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	153 int num_parens;
2971 f2be17e6f1ea [project @ 1997-05-15 18:55:44 by jwe] jwe parents: 2960 diff changeset	154
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	155 // The first index type associated with this expression. This field
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	156 // is 0 (character '\0') if the expression has no associated index.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	157 // See the code in tree_identifier::rvalue for the rationale.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	158 char postfix_index_type;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	159
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	160 // TRUE if this expression is the EXPR in for loop:
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	161 // FOR i = EXPR ... END
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	162 bool for_cmd_expr;
2971 f2be17e6f1ea [project @ 1997-05-15 18:55:44 by jwe] jwe parents: 2960 diff changeset	163
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	164 // Print result of rvalue for this expression?
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	165 bool print_flag;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	166 };
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	167 }
2971 f2be17e6f1ea [project @ 1997-05-15 18:55:44 by jwe] jwe parents: 2960 diff changeset	168
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	169 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
19394 b39cbe9f3bb0 allow ranges to be disabled John W. Eaton <jwe@octave.org> parents: 18132 diff changeset	170
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	171 OCTAVE_DEPRECATED ("use 'octave::tree_expression' instead")
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	172 typedef octave::tree_expression tree_expression;
2971 f2be17e6f1ea [project @ 1997-05-15 18:55:44 by jwe] jwe parents: 2960 diff changeset	173
1739 bbfca89cb1cd [project @ 1996-01-12 11:03:26 by jwe] jwe parents: diff changeset	174 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	175
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	176 #endif

Mercurial > octave

annotate libinterp/parse-tree/pt-exp.h @ 23075:4e3d47dc7e25