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

annotate libinterp/parse-tree/lex.h @ 26699:775643b5eae4

maint: Fix typos in comments where "intial" instead of "initial" used. * interpreter.h, octave-link.cc, lex.h, perl.m: Fix typos in comments where "intial" instead of "initial" used.

author	Rik <rik@octave.org>
date	Fri, 08 Feb 2019 16:40:56 -0800
parents	05fc703b419a
children	17e7d310def8

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
26376 00f796120a6d maint: Update copyright dates in all source files. John W. Eaton <jwe@octave.org> parents: 26345 diff changeset	3 Copyright (C) 1993-2019 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24380 diff changeset	7 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	8 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24380 diff changeset	9 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	10 (at your option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15 GNU General Public License for more details.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5775 diff changeset	18 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	19 <https://www.gnu.org/licenses/>.
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 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19852 diff changeset	23 #if ! defined (octave_lex_h)
383 0b52c68ec81f [project @ 1994-03-09 21:19:44 by jwe] jwe parents: 247 diff changeset	24 #define octave_lex_h 1
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21102 diff changeset	26 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21102 diff changeset	27
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	28 #include <deque>
8745 6dc61981d18b better handling of object indexing in lexer John W. Eaton <jwe@octave.org> parents: 8701 diff changeset	29 #include <list>
16101 8d19626b38ae provide copy contructor and operator = for lexical_feedback class. John W. Eaton <jwe@octave.org> parents: 16100 diff changeset	30 #include <set>
11464 21b5284fa78d avoid error when parsing nested functions John W. Eaton <jwe@octave.org> parents: 11367 diff changeset	31 #include <stack>
8745 6dc61981d18b better handling of object indexing in lexer John W. Eaton <jwe@octave.org> parents: 8701 diff changeset	32
16228 e19b1632d7c1 revamp most comment handling John W. Eaton <jwe@octave.org> parents: 16224 diff changeset	33 #include "comment-list.h"
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	34 #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	35 #include "symscope.h"
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	36 #include "token.h"
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	37
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	38 namespace octave
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	39 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	40 class interpreter;
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	41
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	42 // 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	43 extern bool iskeyword (const std::string& s);
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	44
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	45 // 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	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 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	48 lexical_feedback
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	49 {
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	50 public:
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 // 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	53
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	54 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	55 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	56 public:
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	57
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	58 symbol_table_context (void)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	59 : m_frame_stack () { }
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	60
23602 214cb58ccc1c use pointer to scope instead of scope id John W. Eaton <jwe@octave.org> parents: 23599 diff changeset	61 ~symbol_table_context (void) { clear (); }
23599 5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	62
5cb3a2bb5e1e don't use singleton for symbol_table John W. Eaton <jwe@octave.org> parents: 23532 diff changeset	63 void clear (void);
17796 6b51f5f44aea find symbols in proper scope when debugging (bug #40397) John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	64
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	65 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	66
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	67 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	68
23602 214cb58ccc1c use pointer to scope instead of scope id John W. Eaton <jwe@octave.org> parents: 23599 diff changeset	69 void pop (void);
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	70
24361 8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	71 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	72 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	73 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	74 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	75
24361 8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	76 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	77 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	78
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	79 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	80
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	81 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	82 };
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	83
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	84 // 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	85
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	86 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	87 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	88 private:
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	89
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	90 enum bracket_type
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	91 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	92 BRACKET = 1,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	93 BRACE = 2,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	94 PAREN = 3,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	95 ANON_FCN_BODY = 4
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 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
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	98 public:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	99
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	100 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	101
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	102 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	103 : 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	104 { }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	105
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	106 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	107 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	108 if (&nl != this)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	109 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	110
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	111 return *this;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	112 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	113
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	114 ~bbp_nesting_level (void) = default;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	115
26345 7c6ff9b36302 lex.h: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 26059 diff changeset	116 // Alias for clear function.
7c6ff9b36302 lex.h: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 26059 diff changeset	117 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	118
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	119 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	120
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	121 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	122 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	123 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	124 }
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 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	127
22196 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_brace (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 () == BRACE;
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 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	134
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_paren (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 () == PAREN;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	138 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 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 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	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_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	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 () == 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	145 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	146
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	147 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	148 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	149 return (! m_context.empty ()
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	150 && (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	151 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	152
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	153 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	154
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	155 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	156 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	157 if (! m_context.empty ())
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	158 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	159 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	160
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	161 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	162 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	163 while (! m_context.empty ())
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	164 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	165 }
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 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	168
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	169 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	170 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	171
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	172 class token_cache
16194 b7ca669af528 reset lexical_feedback state before starting a new parse John W. Eaton <jwe@octave.org> parents: 16193 diff changeset	173 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	174 public:
16194 b7ca669af528 reset lexical_feedback state before starting a new parse John W. Eaton <jwe@octave.org> parents: 16193 diff changeset	175
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	176 // 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	177
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	178 // 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	179 // 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	180 //
a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	181 // 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	182 // 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	183 // 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	184 // 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	185 // 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	186 // 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	187
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	188 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	189
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	190 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	191
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	192 token_cache (const token_cache&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	193
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	194 token_cache& operator = (const token_cache&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	195
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	196 ~token_cache (void) { clear (); }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	197
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	198 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	199 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	200 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	201 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	202
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	203 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	204 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	205 if (! empty ())
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 delete m_buffer.back ();
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	208 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	209 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	210 }
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 // Direct access.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	213 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	214 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	215 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	216 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	217
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	218 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	219 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	220 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	221 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	222
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	223 // Most recently pushed.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	224 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	225 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	226 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	227 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	228
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	229 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	230 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	231 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	232 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	233
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	234 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	235 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	236 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	237 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	238
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	239 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	240 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	241 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	242 }
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	243
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	244 // 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	245 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	246
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	247 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	248
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	249 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	250 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	251 while (! empty ())
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	252 pop ();
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	253 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	254
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	255 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	256
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	257 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	258 };
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	259
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	260 lexical_feedback (void)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	261 : 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	262 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	263 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	264 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	265 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	266 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	267 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	268 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	269 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	270 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	271 m_looking_at_indirect_ref (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	272 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	273 m_parsing_classdef (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	274 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	275 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	276 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	277 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	278 m_force_script (false),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	279 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	280 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	281 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	282 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	283 m_input_line_number (1),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	284 m_current_input_column (1),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	285 m_bracketflag (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	286 m_braceflag (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	287 m_looping (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	288 m_defining_func (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	289 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	290 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	291 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	292 m_token_count (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	293 m_current_input_line (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	294 m_comment_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	295 m_help_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	296 m_function_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	297 m_string_text (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	298 m_string_line (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	299 m_string_column (0),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	300 m_fcn_file_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	301 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	302 m_dir_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	303 m_package_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	304 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	305 m_parsed_function_name (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	306 m_pending_local_variables (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	307 m_symtab_context (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	308 m_nesting_level (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	309 m_tokens ()
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	310 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	311 init ();
16265 71ee3afedb69 5/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16263 diff changeset	312 }
71ee3afedb69 5/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16263 diff changeset	313
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	314 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	315
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	316 lexical_feedback (const lexical_feedback&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	317
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	318 lexical_feedback& operator = (const lexical_feedback&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	319
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	320 ~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	321
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	322 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	323
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	324 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	325
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	326 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	327
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	328 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	329
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	330 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	331
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	332 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	333
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	334 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	335
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	336 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	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_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	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 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	341
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	342 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	343 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	344
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	345 // 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	346 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	347
26662 05fc703b419a update handling of command-style function call syntax in eval John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	348 // 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	349 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	350
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	351 // 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	352 // 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	353 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	354
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	355 // 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	356 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	357
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	358 // 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	359 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	360
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	361 // 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	362 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	363
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	364 // 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	365 // persistent).
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	366 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	367
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	368 // 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	369 // parameter list element.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	370 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	371
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	372 // 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	373 // 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	374 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	375
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	376 // 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	377 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	378
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	379 // 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	380 // structure element.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	381 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	382
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	383 // 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	384 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	385
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	386 // 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	387 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	388
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	389 // 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	390 // 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	391 // 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	392 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	393
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	394 // 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	395 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	396
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	397 // 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	398 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	399
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	400 // 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	401 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	402
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	403 // 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	404 // 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	405 bool m_force_script;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	406
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	407 // 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	408 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	409
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	410 // 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	411 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	412
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'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	414 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	415
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	416 // 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	417 // parsing.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	418 bool m_buffer_function_text;
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	419
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	420 // the current input line number.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	421 int m_input_line_number;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	422
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	423 // the column of the current token.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	424 int m_current_input_column;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	425
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	426 // 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	427 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	428
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	429 // 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	430 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	431
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	432 // 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	433 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	434
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	435 // 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	436 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	437
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	438 // 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	439 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	440
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	441 // 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	442 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	443
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	444 // 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	445 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	446
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	447 // 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	448 // 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	449 size_t m_token_count;
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	450
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	451 // 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	452 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	453
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	454 // 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	455 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	456
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	457 // 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	458 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	459
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	460 // 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	461 std::string m_function_text;
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	462
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	463 // The current character string text.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	464 std::string m_string_text;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	465
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	466 // The position of the beginning of the current character string.
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	467 int m_string_line;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	468 int m_string_column;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	469
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	470 // 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	471 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	472
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	473 // 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	474 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	475
23667 2d4a7ae1f6cd store directory and package names in function when function is parsed John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	476 // 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	477 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	478
2d4a7ae1f6cd store directory and package names in function when function is parsed John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	479 // 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	480 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	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 // 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	483 // 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	484 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	485
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	486 // 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	487 // 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	488 // 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	489 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	490
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	491 // 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	492 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	493
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	494 // 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	495 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	496
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	497 // 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	498 // 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	499 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	500
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	501 // 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	502 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	503 };
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	504
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	505 // 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	506 // 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	507 // 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	508 // 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	509
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	510 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	511 base_lexer : public lexical_feedback
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	512 {
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	513 public:
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	514
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	515 // 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	516
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	517 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	518 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	519 public:
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 input_buffer (void)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	522 : 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	523 { }
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 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	526
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	527 // 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	528 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	529
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	530 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	531
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	532 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	533
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	534 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	535
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	536 std::string m_buffer;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	537 const char *m_pos;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	538 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	539 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	540 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	541
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	542 // 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	543
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	544 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	545 comment_buffer
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	546 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	547 public:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	548
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23750 diff changeset	549 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	550
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	551 ~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	552
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	553 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	554 {
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	555 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	556 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	557
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	558 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	559 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	560
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	561 // 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	562
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	563 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	564 {
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	565 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	566
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23750 diff changeset	567 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	568
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	569 return retval;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	570 }
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	571
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	572 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	573 {
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	574 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	575
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23750 diff changeset	576 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	577 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	578
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	579 private:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	580
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	581 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	582 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	583
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	584 base_lexer (interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	585 : lexical_feedback (), m_scanner (nullptr), m_input_buf (),
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	586 m_comment_buf (), m_interpreter (interp)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	587 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	588 init ();
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	589 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	590
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	591 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	592
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	593 base_lexer (const base_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	594
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	595 base_lexer& operator = (const base_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	596
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	597 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	598
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	599 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	600
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	601 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	602
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	603 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	604
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	605 void prep_for_file (void);
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	606
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	607 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	608
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	609 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	610
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	611 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	612
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	613 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	614
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	615 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	616
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	617 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	618
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	619 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	620
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	621 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	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 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	624
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	625 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	626
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	627 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	628
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	629 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	630
24361 8bcfddad15ec use shared_ptr to manage symbol_scope objects John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	631 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	632
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	633 int is_keyword_token (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	634
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	635 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	636
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	637 bool whitespace_is_significant (void);
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	638
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	639 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	640
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	641 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	642
23750 ea879bc55272 move comment_list and comment_elt classes to octave namespace John W. Eaton <jwe@octave.org> parents: 23730 diff changeset	643 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	644
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	645 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	646
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	647 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	648
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	649 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	650
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	651 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	652
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	653 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	654
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	655 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	656
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	657 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	658
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	659 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	660
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	661 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	662
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	663 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	664
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	665 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	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 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	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 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	670
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	671 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	672
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23220 diff changeset	673 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	674
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	675 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	676
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	677 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	678
25443 2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	679 bool debug_flag (void) const;
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	680
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	681 bool display_tokens (void) const;
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	682
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	683 void increment_token_count (void);
2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	684
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	685 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	686
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	687 // 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	688 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	689
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	690 // 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	691 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	692
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	693 // 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	694 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	695
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	696 // Interpreter that contains us, if any.
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	697 interpreter& m_interpreter;
22196 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 virtual void increment_promptflag (void) = 0;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	700
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	701 virtual void decrement_promptflag (void) = 0;
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	702
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	703 virtual int promptflag (void) const = 0;
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 virtual int promptflag (int) = 0;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	706
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	707 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	708
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	709 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	710
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	711 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	712
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	713 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	714
25994 f881d3e271d2 eliminate global and file-scope static variables in oct-hist.cc John W. Eaton <jwe@octave.org> parents: 25443 diff changeset	715 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	716
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	717 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	718
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	719 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	720
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	721 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	722
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	723 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	724
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	725 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	726
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	727 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	728
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	729 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	730 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	731
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	732 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	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 int handle_unary_op (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	735
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	736 int handle_language_extension_unary_op (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	737
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	738 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	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 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	741
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	742 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	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_token (const std::string& name, int tok);
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	745
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23446 diff changeset	746 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	747
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	748 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	749
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	750 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	751
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	752 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	753
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	754 void enable_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	755
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	756 protected:
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	757
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	758 std::stack<int> start_state_stack;
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	759 };
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	760
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	761 class
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	762 lexer : public base_lexer
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	763 {
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	764 public:
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	765
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	766 lexer (interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	767 : base_lexer (interp), m_reader (this)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	768 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	769
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	770 lexer (FILE *file, interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	771 : base_lexer (interp), m_reader (file, this)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	772 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	773
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	774 lexer (const std::string& eval_string, interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	775 : base_lexer (interp), m_reader (eval_string, this)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	776 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	777
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	778 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	779
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	780 lexer (const lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	781
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	782 lexer& operator = (const lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	783
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	784 void reset (void)
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	785 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	786 m_reader.reset ();
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	787
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	788 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	789 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	790
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	791 void increment_promptflag (void) { m_reader.increment_promptflag (); }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	792
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	793 void decrement_promptflag (void) { m_reader.decrement_promptflag (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	794
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	795 int promptflag (void) const { return m_reader.promptflag (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	796
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	797 int promptflag (int n) { return m_reader.promptflag (n); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	798
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	799 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	800 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	801 return m_reader.input_source ();
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	802 }
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	803
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	804 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	805 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	806 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	807 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	808
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	809 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	810 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	811 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	812 }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	813
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	814 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	815 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	816 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	817 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	818
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	819 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	820
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	821 input_reader m_reader;
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	822 };
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	823
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	824 class
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	825 push_lexer : public base_lexer
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	826 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	827 public:
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	828
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	829 push_lexer (interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	830 : base_lexer (interp), m_pflag (1)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	831 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	832 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	833 }
16253 a89cf57ba3a5 partial cleanup of continuation handling in lexer John W. Eaton <jwe@octave.org> parents: 16231 diff changeset	834
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	835 push_lexer (const std::string& input, interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	836 : base_lexer (interp), m_pflag (1)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	837 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	838 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	839 }
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	840
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	841 push_lexer (bool eof, interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	842 : base_lexer (interp), m_pflag (1)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	843 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	844 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	845 }
16209 e7ff32e7cf82 move global promptflag variable to octave_reader class John W. Eaton <jwe@octave.org> parents: 16207 diff changeset	846
25441 143007dad864 store reference instead of pointer to interpreter in lexer John W. Eaton <jwe@octave.org> parents: 25438 diff changeset	847 push_lexer (const std::string& input, bool eof, interpreter& interp)
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	848 : base_lexer (interp), m_pflag (1)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	849 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	850 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	851 }
16224 4a848eb52de2 use stack for tracking lexer start states John W. Eaton <jwe@octave.org> parents: 16209 diff changeset	852
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	853 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	854
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	855 push_lexer (const push_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	856
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	857 push_lexer& operator = (const push_lexer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	858
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	859 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	860
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	861 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	862 {
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	863 promptflag (1);
16229 7b7b1e4968e8 use functions instead of token return macros in lexer John W. Eaton <jwe@octave.org> parents: 16228 diff changeset	864
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	865 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	866 }
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 diff changeset	867
23730 85f1d31956c0 make echo work for command-line functions John W. Eaton <jwe@octave.org> parents: 23693 diff changeset	868 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	869
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	870 void increment_promptflag (void) { m_pflag++; }
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 diff changeset	871
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	872 void decrement_promptflag (void) { m_pflag--; }
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 diff changeset	873
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	874 int promptflag (void) const { return m_pflag; }
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 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 promptflag (int n)
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	877 {
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	878 int retval = m_pflag;
7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	879 m_pflag = n;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	880 return retval;
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	881 }
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	882
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	883 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	884
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	885 int fill_flex_buffer (char *buf, unsigned int max_size);
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	886
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	887 protected:
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	888
24833 7c88cf242111 use m_ prefix for data members in more classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	889 int m_pflag;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	890 };
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	891 }
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	892
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	893 #endif

Mercurial > octave

annotate libinterp/parse-tree/lex.h @ 26699:775643b5eae4