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

annotate libinterp/parse-tree/pt-assign.h @ 27923:bd51beb6205e

update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.

author	John W. Eaton <jwe@octave.org>
date	Wed, 08 Jan 2020 11:59:41 -0500
parents	1891570abac8
children	2219b0ed8754

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	3 // Copyright (C) 1996-2020 The Octave Project Developers
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	25
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19697 diff changeset	26 #if ! defined (octave_pt_assign_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17787 diff changeset	27 #define octave_pt_assign_h 1
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	28
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	29 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	30
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	31 #include <iosfwd>
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	32 #include <string>
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	33
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	34 class octave_value;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	35 class octave_value_list;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	36
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	37 #include "ov.h"
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	38 #include "pt-exp.h"
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	39 #include "pt-walk.h"
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 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 namespace octave
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	42 {
24362 3fc24b792a24 avoid including symtab.h, symscope.h, or symrec.h unnecessarily John W. Eaton <jwe@octave.org> parents: 24355 diff changeset	43 class symbol_scope;
24355 cc3b3ceb155c update octave_lvalue class and move inside octave namespace John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	44 class octave_lvalue;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	45 class tree_argument_list;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	46
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	47 // Simple assignment expressions.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	48
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	49 class tree_simple_assignment : public tree_expression
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	50 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	51 public:
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	52
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	53 tree_simple_assignment (bool plhs = false, int l = -1, int c = -1,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	54 octave_value::assign_op t = octave_value::op_asn_eq)
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	55 : tree_expression (l, c), m_lhs (nullptr), m_rhs (nullptr),
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	56 m_preserve (plhs), m_ans_assign (), m_etype (t)
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	57 { }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	58
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	59 tree_simple_assignment (tree_expression le, tree_expression re,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	60 bool plhs = false, int l = -1, int c = -1,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	61 octave_value::assign_op t = octave_value::op_asn_eq);
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4192 diff changeset	62
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	63 // No copying!
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	64
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	65 tree_simple_assignment (const tree_simple_assignment&) = delete;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	66
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	67 tree_simple_assignment& operator = (const tree_simple_assignment&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	68
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	69 ~tree_simple_assignment (void);
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	70
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	71 bool has_magic_end (void) const { return (m_rhs && m_rhs->has_magic_end ()); }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	72
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	73 bool rvalue_ok (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	74
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	75 bool is_assignment_expression (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	76
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	77 std::string oper (void) const;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5794 diff changeset	78
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	79 tree_expression * left_hand_side (void) { return m_lhs; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	80
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	81 tree_expression * right_hand_side (void) { return m_rhs; }
7087 b04f0523558d [project @ 2007-10-31 19:08:18 by jwe] jwe parents: 7017 diff changeset	82
24270 bc3819b7cca1 don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info John W. Eaton <jwe@octave.org> parents: 23795 diff changeset	83 tree_expression * dup (symbol_scope& scope) const;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	84
27371 fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	85 octave_value evaluate (tree_evaluator& tw, int nargout = 1);
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	86
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	87 octave_value_list evaluate_n (tree_evaluator& tw, int nargout = 1)
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	88 {
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	89 return ovl (evaluate (tw, nargout));
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	90 }
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	91
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	92 void accept (tree_walker& tw)
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	93 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	94 tw.visit_simple_assignment (*this);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	95 }
23458 0f4ed33886de maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 23446 diff changeset	96
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	97 octave_value::assign_op op_type (void) const { return m_etype; }
7087 b04f0523558d [project @ 2007-10-31 19:08:18 by jwe] jwe parents: 7017 diff changeset	98
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	99 private:
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	100
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	101 void do_assign (octave_lvalue& ult, const octave_value_list& args,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	102 const octave_value& rhs_val);
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	103
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	104 void do_assign (octave_lvalue& ult, const octave_value& rhs_val);
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	105
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	106 // The left hand side of the assignment.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	107 tree_expression *m_lhs;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	108
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	109 // The right hand side of the assignment.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	110 tree_expression *m_rhs;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 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 // True if we should not delete the lhs.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	113 bool m_preserve;
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	114
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	115 // True if this is an assignment to the automatic variable ans.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	116 bool m_ans_assign;
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	117
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	118 // The type of the expression.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	119 octave_value::assign_op m_etype;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	120 };
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	121
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	122 // Multi-valued assignment expressions.
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	123
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	124 class tree_multi_assignment : public tree_expression
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	125 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	126 public:
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 tree_multi_assignment (bool plhs = false, int l = -1, int c = -1)
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	129 : tree_expression (l, c), m_lhs (nullptr), m_rhs (nullptr),
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	130 m_preserve (plhs)
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	131 { }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	132
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	133 tree_multi_assignment (tree_argument_list lst, tree_expression r,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	134 bool plhs = false, int l = -1, int c = -1);
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	135
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	136 // No copying!
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	137
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	138 tree_multi_assignment (const tree_multi_assignment&) = delete;
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 tree_multi_assignment& operator = (const tree_multi_assignment&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	141
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	142 ~tree_multi_assignment (void);
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4192 diff changeset	143
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	144 bool has_magic_end (void) const
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	145 {
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	146 return (m_rhs && m_rhs->has_magic_end ());
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	147 }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	148
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	149 bool is_assignment_expression (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	150
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	151 bool rvalue_ok (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	152
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	153 std::string oper (void) const;
3208 e8a7163701be [project @ 1998-11-03 05:12:47 by jwe] jwe parents: 2989 diff changeset	154
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	155 tree_argument_list * left_hand_side (void) { return m_lhs; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	156
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	157 tree_expression * right_hand_side (void) { return m_rhs; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	158
24270 bc3819b7cca1 don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info John W. Eaton <jwe@octave.org> parents: 23795 diff changeset	159 tree_expression * dup (symbol_scope& scope) const;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5794 diff changeset	160
27371 fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	161 octave_value evaluate (tree_evaluator& tw, int nargout = 1)
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	162 {
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	163 octave_value_list retval = evaluate_n (tw, nargout);
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	164
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	165 return retval.length () > 0 ? retval(0) : octave_value ();
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	166 }
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	167
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	168 octave_value_list evaluate_n (tree_evaluator& tw, int nargout = 1);
fcaecdbc8d8a don't use visitor pattern for expression evaluation (bug #56752) John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	169
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	170 void accept (tree_walker& tw)
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	171 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	172 tw.visit_multi_assignment (*this);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	173 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11584 diff changeset	174
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	175 octave_value::assign_op op_type (void) const
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	176 {
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	177 return octave_value::op_asn_eq;
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	178 }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	179
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	180 private:
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	181
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	182 // The left hand side of the assignment.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	183 tree_argument_list *m_lhs;
3208 e8a7163701be [project @ 1998-11-03 05:12:47 by jwe] jwe parents: 2989 diff changeset	184
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	185 // The right hand side of the assignment.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	186 tree_expression *m_rhs;
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	187
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	188 // True if we should not delete the lhs.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	189 bool m_preserve;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	190 };
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	191 }
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	192
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	193 #endif

Mercurial > octave

annotate libinterp/parse-tree/pt-assign.h @ 27923:bd51beb6205e