octave: libinterp/parse-tree/lex.h annotate

annotate libinterp/parse-tree/lex.h @ 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
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 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) 1993-2020 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27778 diff changeset	4
b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27778 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: 27778 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: 27778 diff changeset	7
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	9 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	10
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24380 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: 22407 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: 24380 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: 22407 diff changeset	14 (at your option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 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: 22407 diff changeset	17 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	19 GNU General Public License for more details.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 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: 5775 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: 24380 diff changeset	23 <https://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	24
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19852 diff changeset	27 #if ! defined (octave_lex_h)
383 0b52c68ec81f [project @ 1994-03-09 21:19:44 by jwe] jwe parents: 247 diff changeset	28 #define octave_lex_h 1
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	29
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21102 diff changeset	30 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21102 diff changeset	31
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	32 #include <deque>
8745 6dc61981d18b better handling of object indexing in lexer John W. Eaton <jwe@octave.org> parents: 8701 diff changeset	33 #include <list>
16101 8d19626b38ae provide copy contructor and operator = for lexical_feedback class. John W. Eaton <jwe@octave.org> parents: 16100 diff changeset	34 #include <set>
11464 21b5284fa78d avoid error when parsing nested functions John W. Eaton <jwe@octave.org> parents: 11367 diff changeset	35 #include <stack>
8745 6dc61981d18b better handling of object indexing in lexer John W. Eaton <jwe@octave.org> parents: 8701 diff changeset	36
16228 e19b1632d7c1 revamp most comment handling John W. Eaton <jwe@octave.org> parents: 16224 diff changeset	37 #include "comment-list.h"
27766 0ca7f17de041 use file position object to track line and column info in lexer and parser John W. Eaton <jwe@octave.org> parents: 27736 diff changeset	38 #include "filepos.h"
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	39 #include "input.h"
24380 51a1d6c84d0c * lex.h: Include symscope.h for clang on OS X. John W. Eaton <jwe@octave.org> parents: 24362 diff changeset	40 #include "symscope.h"
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	41 #include "token.h"
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	42
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	43 namespace octave
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	44 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	45 class interpreter;
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	46
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	47 // Is the given string a keyword?
26059 da2bbcf1fbcd Deprecate C++ function is_keyword in favor of iskeyword for readability. Rik <rik@octave.org> parents: 25994 diff changeset	48 extern bool iskeyword (const std::string& s);
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	49
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	50 // For communication between the lexer and parser.
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	51
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	52 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	53 lexical_feedback
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	54 {
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	55 public:
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	56
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	57 // Track symbol table information when parsing functions.
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	58
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	59 class symbol_table_context
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	60 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	61 public:
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	62
27443 075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	63 symbol_table_context (interpreter& interp)
075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	64 : m_interpreter (interp), m_frame_stack () { }
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	65
23602 214cb58ccc1c use pointer to scope instead of scope id John W. Eaton <jwe@octave.org> parents: 23599 diff changeset	66 ~symbol_table_context (void) { clear (); }
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	67
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	68 void clear (void);
17796 6b51f5f44aea find symbols in proper scope when debugging (bug #40397) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	69
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	70 bool empty (void) const { return m_frame_stack.empty (); }
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	71
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	72 size_t size (void) const { return m_frame_stack.size (); }
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	73
23602 214cb58ccc1c use pointer to scope instead of scope id John W. Eaton <jwe@octave.org> parents: 23599 diff changeset	74 void pop (void);
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	75
24361 8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	76 void push (const symbol_scope& scope)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	77 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	78 m_frame_stack.push_front (scope);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	79 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	80
24361 8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	81 symbol_scope curr_scope (void) const;
8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	82 symbol_scope parent_scope (void) const;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	83
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	84 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	85
27443 075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	86 interpreter& m_interpreter;
075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	87
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	88 std::deque<symbol_scope> m_frame_stack;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	89 };
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	90
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	91 // Track nesting of square brackets, curly braces, and parentheses.
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	92
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	93 class bbp_nesting_level
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	94 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	95 private:
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	96
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	97 enum bracket_type
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	98 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	99 BRACKET = 1,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	100 BRACE = 2,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	101 PAREN = 3,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	102 ANON_FCN_BODY = 4
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	103 };
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	104
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	105 public:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	106
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	107 bbp_nesting_level (void) : m_context () { }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	108
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	109 bbp_nesting_level (const bbp_nesting_level& nl)
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	110 : m_context (nl.m_context)
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	111 { }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	112
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	113 bbp_nesting_level& operator = (const bbp_nesting_level& nl)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	114 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	115 if (&nl != this)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	116 m_context = nl.m_context;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	117
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	118 return *this;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	119 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	120
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	121 ~bbp_nesting_level (void) = default;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	122
26345 7c6ff9b36302 lex.h: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 26059 diff changeset	123 // Alias for clear function.
7c6ff9b36302 lex.h: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 26059 diff changeset	124 void reset (void) { clear (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	125
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	126 void bracket (void) { m_context.push (BRACKET); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	127
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	128 bool is_bracket (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	129 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	130 return ! m_context.empty () && m_context.top () == BRACKET;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	131 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	132
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	133 void brace (void) { m_context.push (BRACE); }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	134
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	135 bool is_brace (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	136 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	137 return ! m_context.empty () && m_context.top () == BRACE;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	138 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	139
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	140 void paren (void) { m_context.push (PAREN); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	141
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	142 bool is_paren (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	143 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	144 return ! m_context.empty () && m_context.top () == PAREN;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	145 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	146
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	147 void anon_fcn_body (void) { m_context.push (ANON_FCN_BODY); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	148
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	149 bool is_anon_fcn_body (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	150 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	151 return ! m_context.empty () && m_context.top () == ANON_FCN_BODY;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	152 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	153
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	154 bool is_bracket_or_brace (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	155 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	156 return (! m_context.empty ()
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	157 && (m_context.top () == BRACKET \|\| m_context.top () == BRACE));
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	158 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	159
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	160 bool none (void) { return m_context.empty (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	161
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	162 void remove (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	163 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	164 if (! m_context.empty ())
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	165 m_context.pop ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	166 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	167
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	168 void clear (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	169 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	170 while (! m_context.empty ())
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	171 m_context.pop ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	172 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	173
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	174 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	175
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	176 std::stack<int> m_context;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	177 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	178
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	179 class token_cache
16194 b7ca669af528 reset lexical_feedback state before starting a new parse John W. Eaton <jwe@octave.org> parents: 16193 diff changeset	180 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	181 public:
16194 b7ca669af528 reset lexical_feedback state before starting a new parse John W. Eaton <jwe@octave.org> parents: 16193 diff changeset	182
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	183 // Store an "unlimited" number of tokens.
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	184
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	185 // Tokens are allocated with new. Delete them when they are
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	186 // removed from the cache.
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	187 //
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	188 // One of the reasons for using this class instead of std::deque
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	189 // directly is that we can ensure that memory is cleaned up
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	190 // properly. It's more tedious to do that with deque since the
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	191 // deque destructor and clear method don't call delete on the
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	192 // elements that it stores. Another reason is that it makes it
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	193 // easier to change the implementation later if needed.
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	194
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	195 token_cache (void) : m_buffer () { }
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	196
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	197 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	198
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	199 token_cache (const token_cache&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	200
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	201 token_cache& operator = (const token_cache&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	202
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	203 ~token_cache (void) { clear (); }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	204
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	205 void push (token *tok)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	206 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	207 m_buffer.push_front (tok);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	208 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	209
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	210 void pop (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	211 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	212 if (! empty ())
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	213 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	214 delete m_buffer.back ();
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	215 m_buffer.pop_back ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	216 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	217 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	218
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	219 // Direct access.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	220 token * at (size_t n)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	221 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	222 return empty () ? nullptr : m_buffer.at (n);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	223 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	224
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	225 const token * at (size_t n) const
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	226 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	227 return empty () ? nullptr : m_buffer.at (n);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	228 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	229
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	230 // Most recently pushed.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	231 token * front (void)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	232 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	233 return empty () ? nullptr : m_buffer.front ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	234 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	235
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	236 const token * front (void) const
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	237 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	238 return empty () ? nullptr : m_buffer.front ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	239 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	240
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	241 token * back (void)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	242 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	243 return empty () ? nullptr : m_buffer.back ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	244 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	245
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	246 const token * back (void) const
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	247 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	248 return empty () ? nullptr : m_buffer.back ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	249 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	250
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	251 // Number of elements currently in the buffer.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	252 size_t size (void) const { return m_buffer.size (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	253
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	254 bool empty (void) const { return m_buffer.empty (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	255
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	256 void clear (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	257 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	258 while (! empty ())
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	259 pop ();
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	260 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	261
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	262 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	263
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	264 std::deque<token *> m_buffer;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	265 };
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	266
27443 075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	267 lexical_feedback (interpreter& interp)
075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	268 : m_interpreter (interp),
075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	269 m_end_of_input (false),
26662 05fc703b419a update handling of command-style function call syntax in eval John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	270 m_allow_command_syntax (true),
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	271 m_at_beginning_of_statement (true),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	272 m_looking_at_anon_fcn_args (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	273 m_looking_at_return_list (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	274 m_looking_at_parameter_list (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	275 m_looking_at_decl_list (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	276 m_looking_at_initializer_expression (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	277 m_looking_at_matrix_or_assign_lhs (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	278 m_looking_for_object_index (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	279 m_looking_at_indirect_ref (false),
27736 bd80e14f268a improve parse error message for @()x+=expr (bug #57255) John W. Eaton <jwe@octave.org> parents: 27528 diff changeset	280 m_parsing_anon_fcn_body (false),
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	281 m_parsing_class_method (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	282 m_parsing_classdef (false),
26709 17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	283 m_parsing_classdef_decl (false),
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	284 m_parsing_classdef_superclass (false),
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	285 m_maybe_classdef_get_set_method (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	286 m_parsing_classdef_get_method (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	287 m_parsing_classdef_set_method (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	288 m_quote_is_transpose (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	289 m_force_script (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	290 m_reading_fcn_file (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	291 m_reading_script_file (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	292 m_reading_classdef_file (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	293 m_buffer_function_text (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	294 m_bracketflag (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	295 m_braceflag (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	296 m_looping (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	297 m_defining_func (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	298 m_looking_at_function_handle (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	299 m_block_comment_nesting_level (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	300 m_command_arg_paren_count (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	301 m_token_count (0),
27766 0ca7f17de041 use file position object to track line and column info in lexer and parser John W. Eaton <jwe@octave.org> parents: 27736 diff changeset	302 m_filepos (),
27778 2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	303 m_tok_beg (),
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	304 m_tok_end (),
27768 d6701f835496 use filepos object to store beginning position of character strings John W. Eaton <jwe@octave.org> parents: 27766 diff changeset	305 m_string_text (),
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	306 m_current_input_line (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	307 m_comment_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	308 m_help_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	309 m_function_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	310 m_fcn_file_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	311 m_fcn_file_full_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	312 m_dir_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	313 m_package_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	314 m_looking_at_object_index (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	315 m_parsed_function_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	316 m_pending_local_variables (),
27443 075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	317 m_symtab_context (interp),
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	318 m_nesting_level (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	319 m_tokens ()
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	320 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	321 init ();
16265 71ee3afedb69 5/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16263 diff changeset	322 }
71ee3afedb69 5/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16263 diff changeset	323
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	324 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	325
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	326 lexical_feedback (const lexical_feedback&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	327
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	328 lexical_feedback& operator = (const lexical_feedback&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	329
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	330 ~lexical_feedback (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	331
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	332 void init (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	333
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	334 void reset (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	335
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	336 int previous_token_value (void) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	337
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	338 bool previous_token_value_is (int tok_val) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	339
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	340 void mark_previous_token_trailing_space (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	341
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	342 bool space_follows_previous_token (void) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	343
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	344 bool previous_token_is_binop (void) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	345
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	346 bool previous_token_is_keyword (void) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	347
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	348 bool previous_token_may_be_command (void) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	349
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	350 void maybe_mark_previous_token_as_variable (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	351
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	352 void mark_as_variable (const std::string& nm);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	353 void mark_as_variables (const std::list<std::string>& lst);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	354
27443 075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	355 interpreter& m_interpreter;
075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	356
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	357 // true means that we have encountered eof on the input stream.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	358 bool m_end_of_input;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	359
26662 05fc703b419a update handling of command-style function call syntax in eval John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	360 // true means command syntax is allowed.
05fc703b419a update handling of command-style function call syntax in eval John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	361 bool m_allow_command_syntax;
05fc703b419a update handling of command-style function call syntax in eval John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	362
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	363 // true means we are at the beginning of a statement, where a
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	364 // command name is possible.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	365 bool m_at_beginning_of_statement;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	366
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	367 // true means we are parsing an anonymous function argument list.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	368 bool m_looking_at_anon_fcn_args;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	369
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	370 // true means we're parsing the return list for a function.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	371 bool m_looking_at_return_list;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	372
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	373 // true means we're parsing the parameter list for a function.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	374 bool m_looking_at_parameter_list;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	375
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	376 // true means we're parsing a declaration list (global or
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	377 // persistent).
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	378 bool m_looking_at_decl_list;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	379
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	380 // true means we are looking at the initializer expression for a
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	381 // parameter list element.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	382 bool m_looking_at_initializer_expression;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	383
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	384 // true means we're parsing a matrix or the left hand side of
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	385 // multi-value assignment statement.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	386 bool m_looking_at_matrix_or_assign_lhs;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	387
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	388 // object index not possible until we've seen something.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	389 bool m_looking_for_object_index;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	390
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	391 // true means we're looking at an indirect reference to a
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	392 // structure element.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	393 bool m_looking_at_indirect_ref;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	394
27736 bd80e14f268a improve parse error message for @()x+=expr (bug #57255) John W. Eaton <jwe@octave.org> parents: 27528 diff changeset	395 // true means we are parsing the body of an anonymous function.
bd80e14f268a improve parse error message for @()x+=expr (bug #57255) John W. Eaton <jwe@octave.org> parents: 27528 diff changeset	396 bool m_parsing_anon_fcn_body;
bd80e14f268a improve parse error message for @()x+=expr (bug #57255) John W. Eaton <jwe@octave.org> parents: 27528 diff changeset	397
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	398 // true means we are parsing a class method in function or classdef file.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	399 bool m_parsing_class_method;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	400
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	401 // true means we are parsing a classdef file
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	402 bool m_parsing_classdef;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	403
26709 17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	404 // true means we are parsing the initial classdef declaration
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	405 // portion of classdef file, from the "classdef" token through the
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	406 // optional list of superclasses.
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	407 bool m_parsing_classdef_decl;
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	408
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	409 // true means we are parsing the superclass part of a classdef
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	410 // declaration.
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	411 bool m_parsing_classdef_superclass;
17e7d310def8 revamp parsing of superclass identifiers in classdef decls John W. Eaton <jwe@octave.org> parents: 26699 diff changeset	412
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	413 // true means we are parsing a class method declaration line in a
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	414 // classdef file and can accept a property get or set method name.
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	415 // for example, "get.propertyname" is recognized as a function name.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	416 bool m_maybe_classdef_get_set_method;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	417
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	418 // TRUE means we are parsing a classdef get.method.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	419 bool m_parsing_classdef_get_method;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	420
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	421 // TRUE means we are parsing a classdef set.method.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	422 bool m_parsing_classdef_set_method;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	423
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	424 // return transpose or start a string?
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	425 bool m_quote_is_transpose;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	426
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	427 // TRUE means treat the current file as a script even if the first
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	428 // token is "function" or "classdef".
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	429 bool m_force_script;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	430
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	431 // TRUE means we're parsing a function file.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	432 bool m_reading_fcn_file;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	433
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	434 // TRUE means we're parsing a script file.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	435 bool m_reading_script_file;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	436
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	437 // TRUE means we're parsing a classdef file.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	438 bool m_reading_classdef_file;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	439
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	440 // TRUE means we should store the text of the function we are
85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	441 // parsing.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	442 bool m_buffer_function_text;
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	443
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	444 // square bracket level count.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	445 int m_bracketflag;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	446
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	447 // curly brace level count.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	448 int m_braceflag;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	449
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	450 // true means we're in the middle of defining a loop.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	451 int m_looping;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	452
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	453 // nonzero means we're in the middle of defining a function.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	454 int m_defining_func;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	455
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	456 // nonzero means we are parsing a function handle.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	457 int m_looking_at_function_handle;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	458
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	459 // nestng level for block comments.
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	460 int m_block_comment_nesting_level;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	461
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	462 // Parenthesis count for command argument parsing.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	463 int m_command_arg_paren_count;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	464
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	465 // Count of tokens recognized by this lexer since initialized or
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	466 // since the last reset.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	467 size_t m_token_count;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	468
27766 0ca7f17de041 use file position object to track line and column info in lexer and parser John W. Eaton <jwe@octave.org> parents: 27736 diff changeset	469 // The current position in the file (line and column).
0ca7f17de041 use file position object to track line and column info in lexer and parser John W. Eaton <jwe@octave.org> parents: 27736 diff changeset	470 filepos m_filepos;
0ca7f17de041 use file position object to track line and column info in lexer and parser John W. Eaton <jwe@octave.org> parents: 27736 diff changeset	471
27778 2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	472 // The positions of the beginning and end of the current token after
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	473 // calling update_token_positions. Also used apart from
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	474 // update_token_positions to handle the beginning and end of
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	475 // character strings.
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	476 filepos m_tok_beg;
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	477 filepos m_tok_end;
27768 d6701f835496 use filepos object to store beginning position of character strings John W. Eaton <jwe@octave.org> parents: 27766 diff changeset	478
d6701f835496 use filepos object to store beginning position of character strings John W. Eaton <jwe@octave.org> parents: 27766 diff changeset	479 // The current character string text.
d6701f835496 use filepos object to store beginning position of character strings John W. Eaton <jwe@octave.org> parents: 27766 diff changeset	480 std::string m_string_text;
d6701f835496 use filepos object to store beginning position of character strings John W. Eaton <jwe@octave.org> parents: 27766 diff changeset	481
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	482 // The current line of input.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	483 std::string m_current_input_line;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	484
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	485 // The current comment text.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	486 std::string m_comment_text;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	487
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	488 // The current help text.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	489 std::string m_help_text;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	490
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	491 // The text of functions entered on the command line.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	492 std::string m_function_text;
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	493
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	494 // Simple name of function file we are reading.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	495 std::string m_fcn_file_name;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	496
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	497 // Full name of file we are reading.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	498 std::string m_fcn_file_full_name;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	499
23667 2d4a7ae1f6cd store directory and package names in function when function is parsed John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	500 // Directory name where this file was found. May be relative.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	501 std::string m_dir_name;
23667 2d4a7ae1f6cd store directory and package names in function when function is parsed John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	502
2d4a7ae1f6cd store directory and package names in function when function is parsed John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	503 // Name of +package containing this file, if any.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	504 std::string m_package_name;
23667 2d4a7ae1f6cd store directory and package names in function when function is parsed John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	505
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	506 // if the front of the list is true, the closest paren, brace, or
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	507 // bracket nesting is an index for an object.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	508 std::list<bool> m_looking_at_object_index;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	509
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	510 // if the top of the stack is true, then we've already seen the name
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	511 // of the current function. should only matter if
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	512 // current_function_level > 0
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	513 std::stack<bool> m_parsed_function_name;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	514
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	515 // set of identifiers that might be local variable names.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	516 std::set<std::string> m_pending_local_variables;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	517
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	518 // Track current symbol table scope and context.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	519 symbol_table_context m_symtab_context;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	520
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	521 // is the closest nesting level a square bracket, squiggly brace,
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	522 // a paren, or an anonymous function body?
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	523 bbp_nesting_level m_nesting_level;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	524
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	525 // Tokens generated by the lexer.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	526 token_cache m_tokens;
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	527 };
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	528
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	529 // base_lexer inherits from lexical_feedback because we will
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	530 // eventually have several different constructors and it is easier to
26699 775643b5eae4 maint: Fix typos in comments where "intial" instead of "initial" used. Rik <rik@octave.org> parents: 26662 diff changeset	531 // initialize if everything is grouped in a parent class rather than
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	532 // listing all the members in the base_lexer class.
16193 d7392bf42fd1 use inheritance to simplify initialization in octave_lexer constructor John W. Eaton <jwe@octave.org> parents: 16185 diff changeset	533
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	534 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	535 base_lexer : public lexical_feedback
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	536 {
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	537 public:
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	538
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	539 // Handle buffering of input for lexer.
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	540
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	541 class input_buffer
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	542 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	543 public:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	544
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	545 input_buffer (void)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	546 : m_buffer (), m_pos (nullptr), m_chars_left (0), m_eof (false)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	547 { }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	548
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	549 void fill (const std::string& input, bool eof_arg);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	550
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	551 // Copy at most max_size characters to buf.
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	552 int copy_chunk (char *buf, size_t max_size);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	553
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	554 bool empty (void) const { return m_chars_left == 0; }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	555
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	556 bool at_eof (void) const { return m_eof; }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	557
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	558 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	559
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	560 std::string m_buffer;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	561 const char *m_pos;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	562 size_t m_chars_left;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	563 bool m_eof;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	564 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	565
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	566 // Collect comment text.
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	567
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	568 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	569 comment_buffer
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	570 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	571 public:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	572
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23750 diff changeset	573 comment_buffer (void) : m_comment_list (nullptr) { }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	574
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	575 ~comment_buffer (void) { delete m_comment_list; }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	576
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	577 void append (const std::string& s, comment_elt::comment_type t)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	578 {
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	579 if (! m_comment_list)
ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	580 m_comment_list = new comment_list ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	581
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	582 m_comment_list->append (s, t);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	583 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	584
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	585 // Caller is expected to delete the returned value.
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	586
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	587 comment_list * get_comment (void)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	588 {
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	589 comment_list *retval = m_comment_list;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	590
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23750 diff changeset	591 m_comment_list = nullptr;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	592
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	593 return retval;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	594 }
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	595
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	596 void reset (void)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	597 {
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	598 delete m_comment_list;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	599
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23750 diff changeset	600 m_comment_list = nullptr;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	601 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	602
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	603 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	604
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	605 comment_list *m_comment_list;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	606 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	607
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	608 base_lexer (interpreter& interp)
cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	609 : lexical_feedback (interp), m_scanner (nullptr), m_input_buf (),
cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	610 m_comment_buf ()
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	611 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	612 init ();
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	613 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	614
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	615 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	616
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	617 base_lexer (const base_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	618
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	619 base_lexer& operator = (const base_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	620
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	621 virtual ~base_lexer (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	622
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	623 void init (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	624
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	625 virtual bool is_push_lexer (void) const { return false; }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	626
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	627 virtual void reset (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	628
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	629 void prep_for_file (void);
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	630
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	631 void begin_string (int state);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	632
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	633 virtual int fill_flex_buffer (char *buf, unsigned int max_size) = 0;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	634
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	635 bool at_end_of_buffer (void) const { return m_input_buf.empty (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	636
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	637 bool at_end_of_file (void) const { return m_input_buf.at_eof (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	638
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	639 int handle_end_of_input (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	640
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	641 char * flex_yytext (void);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	642
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	643 int flex_yyleng (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	644
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	645 int text_yyinput (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	646
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	647 void xunput (char c, char *buf);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	648
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	649 void xunput (char c);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	650
27778 2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	651 void update_token_positions (int tok_len);
2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	652
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	653 bool looking_at_space (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	654
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	655 bool inside_any_object_index (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	656
24361 8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	657 bool is_variable (const std::string& name, const symbol_scope& scope);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	658
27771 cd566153edd6 split base_lexer::is_keyword_token into two functions John W. Eaton <jwe@octave.org> parents: 27768 diff changeset	659 bool is_keyword_token (const std::string& s);
cd566153edd6 split base_lexer::is_keyword_token into two functions John W. Eaton <jwe@octave.org> parents: 27768 diff changeset	660
cd566153edd6 split base_lexer::is_keyword_token into two functions John W. Eaton <jwe@octave.org> parents: 27768 diff changeset	661 int make_keyword_token (const std::string& s);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	662
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	663 bool fq_identifier_contains_keyword (const std::string& s);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	664
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	665 bool whitespace_is_significant (void);
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	666
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	667 void handle_number (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	668
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	669 void handle_continuation (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	670
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	671 void finish_comment (comment_elt::comment_type typ);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	672
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	673 comment_list * get_comment (void) { return m_comment_buf.get_comment (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	674
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	675 int handle_close_bracket (int bracket_type);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	676
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	677 bool looks_like_command_arg (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	678
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	679 int handle_superclass_identifier (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	680
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	681 int handle_meta_identifier (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	682
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	683 int handle_fq_identifier (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	684
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	685 int handle_identifier (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	686
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	687 void maybe_warn_separator_insert (char sep);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	688
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	689 void warn_single_quote_string (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	690
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	691 void warn_language_extension (const std::string& msg);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	692
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	693 void maybe_warn_language_extension_comment (char c);
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	694
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	695 void warn_language_extension_continuation (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	696
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	697 void warn_language_extension_operator (const std::string& op);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	698
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	699 void push_token (token *);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	700
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	701 token * current_token (void);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	702
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	703 void display_token (int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	704
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	705 void fatal_error (const char *msg);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	706
25443 2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	707 bool debug_flag (void) const;
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	708
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	709 bool display_tokens (void) const;
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	710
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	711 void increment_token_count (void);
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	712
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	713 void lexer_debug (const char *pattern);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	714
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	715 // Internal state of the flex-generated lexer.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	716 void *m_scanner;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	717
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	718 // Object that reads and buffers input.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	719 input_buffer m_input_buf;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	720
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	721 // Object that collects comment text.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	722 comment_buffer m_comment_buf;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	723
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	724 virtual std::string input_source (void) const { return "unknown"; }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	725
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	726 virtual bool input_from_terminal (void) const { return false; }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	727
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	728 virtual bool input_from_file (void) const { return false; }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	729
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	730 virtual bool input_from_eval_string (void) const { return false; }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	731
25994 f881d3e271d2 eliminate global and file-scope static variables in oct-hist.cc John W. Eaton <jwe@octave.org> parents: 25443 diff changeset	732 bool input_from_tmp_history_file (void);
f881d3e271d2 eliminate global and file-scope static variables in oct-hist.cc John W. Eaton <jwe@octave.org> parents: 25443 diff changeset	733
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	734 void push_start_state (int state);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	735
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	736 void pop_start_state (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	737
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	738 void clear_start_state (void);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	739
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	740 int start_state (void) const { return start_state_stack.top (); }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	741
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	742 void display_start_state (void) const;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	743
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	744 int handle_op (const char *pattern, int tok, bool bos = false);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	745
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	746 int handle_language_extension_op (const char *pattern, int tok,
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	747 bool bos = false);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	748
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	749 bool maybe_unput_comma_before_unary_op (int tok);
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	750
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	751 int handle_assign_op (const char *pattern, int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	752
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	753 int handle_language_extension_assign_op (const char *pattern, int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	754
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	755 int handle_op_internal (int tok, bool bos, bool compat);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	756
27777 3b6920ee4383 eliminate COMMAND_ARG_FINISH macro in lexer John W. Eaton <jwe@octave.org> parents: 27771 diff changeset	757 int finish_command_arg (void);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	758
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	759 int handle_token (int tok, token *tok_val = nullptr);
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	760
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	761 int count_token (int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	762
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	763 int count_token_internal (int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	764
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	765 int show_token (int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	766
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	767 protected:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	768
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	769 std::stack<int> start_state_stack;
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	770 };
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	771
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	772 class
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	773 lexer : public base_lexer
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	774 {
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	775 public:
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	776
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	777 lexer (interpreter& interp)
27528 e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	778 : base_lexer (interp), m_reader (interp), m_initial_input (true)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	779 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	780
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	781 lexer (FILE *file, interpreter& interp)
27528 e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	782 : base_lexer (interp), m_reader (interp, file), m_initial_input (true)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	783 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	784
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	785 lexer (const std::string& eval_string, interpreter& interp)
27528 e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	786 : base_lexer (interp), m_reader (interp, eval_string),
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	787 m_initial_input (true)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	788 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	789
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	790 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	791
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	792 lexer (const lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	793
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	794 lexer& operator = (const lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	795
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	796 void reset (void)
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	797 {
27528 e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	798 m_initial_input = true;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	799
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	800 base_lexer::reset ();
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	801 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	802
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	803 std::string input_source (void) const
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	804 {
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	805 return m_reader.input_source ();
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	806 }
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	807
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	808 bool input_from_terminal (void) const
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	809 {
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	810 return m_reader.input_from_terminal ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	811 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	812
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	813 bool input_from_file (void) const
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	814 {
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	815 return m_reader.input_from_file ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	816 }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	817
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	818 bool input_from_eval_string (void) const
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	819 {
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	820 return m_reader.input_from_eval_string ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	821 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	822
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	823 int fill_flex_buffer (char *buf, unsigned int max_size);
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	824
cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	825 input_reader m_reader;
27528 e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	826
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	827 // TRUE means we are filling the input buffer for the first time.
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	828 // Otherwise, we are requesting more input to complete the parse
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	829 // and, if printing a prompt, should use the secondary prompt
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	830 // string.
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	831
e51284fc0a51 eliminate promptflag from the lexer and input reader classes John W. Eaton <jwe@octave.org> parents: 27527 diff changeset	832 bool m_initial_input;
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	833 };
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	834
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	835 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	836 push_lexer : public base_lexer
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	837 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	838 public:
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	839
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	840 push_lexer (interpreter& interp)
27527 73be3c628eac refactor input_reader class and its use in lexer John W. Eaton <jwe@octave.org> parents: 27526 diff changeset	841 : base_lexer (interp)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	842 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	843 append_input ("", false);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	844 }
16253 a89cf57ba3a5 partial cleanup of continuation handling in lexer John W. Eaton <jwe@octave.org> parents: 16231 diff changeset	845
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	846 push_lexer (const std::string& input, interpreter& interp)
27527 73be3c628eac refactor input_reader class and its use in lexer John W. Eaton <jwe@octave.org> parents: 27526 diff changeset	847 : base_lexer (interp)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	848 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	849 append_input (input, false);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	850 }
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	851
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	852 push_lexer (bool eof, interpreter& interp)
27527 73be3c628eac refactor input_reader class and its use in lexer John W. Eaton <jwe@octave.org> parents: 27526 diff changeset	853 : base_lexer (interp)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	854 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	855 append_input ("", eof);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	856 }
16209 e7ff32e7cf82 move global promptflag variable to octave_reader class John W. Eaton <jwe@octave.org> parents: 16207 diff changeset	857
27526 cb964b74d8a0 Backed out changeset 28ed77ca1e4a John W. Eaton <jwe@octave.org> parents: 27513 diff changeset	858 push_lexer (const std::string& input, bool eof, interpreter& interp)
27527 73be3c628eac refactor input_reader class and its use in lexer John W. Eaton <jwe@octave.org> parents: 27526 diff changeset	859 : base_lexer (interp)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	860 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	861 append_input (input, eof);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	862 }
16224 4a848eb52de2 use stack for tracking lexer start states John W. Eaton <jwe@octave.org> parents: 16209 diff changeset	863
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	864 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	865
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	866 push_lexer (const push_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	867
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	868 push_lexer& operator = (const push_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	869
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	870 bool is_push_lexer (void) const { return true; }
16263 9acb86e6ac90 4/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16259 diff changeset	871
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	872 void append_input (const std::string& input, bool eof);
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 diff changeset	873
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	874 std::string input_source (void) const { return "push buffer"; }
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	875
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	876 int fill_flex_buffer (char *buf, unsigned int max_size);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	877 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	878 }
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	879
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	880 #endif

Mercurial > octave

annotate libinterp/parse-tree/lex.h @ 27919:1891570abac8