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

annotate libinterp/parse-tree/lex.h @ 31608:23664317f0d3

maint: merge stable to default

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 20:05:44 -0800
parents	dfa5d9c3ae72 aac27ad79be6
children	5f11de0e7440

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30321 diff changeset	3 // Copyright (C) 1993-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19852 diff changeset	26 #if ! defined (octave_lex_h)
383 0b52c68ec81f [project @ 1994-03-09 21:19:44 by jwe] jwe parents: 247 diff changeset	27 #define octave_lex_h 1
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21102 diff changeset	29 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21102 diff changeset	30
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	31 #include <deque>
8745 6dc61981d18b better handling of object indexing in lexer John W. Eaton <jwe@octave.org> parents: 8701 diff changeset	32 #include <list>
16101 8d19626b38ae provide copy contructor and operator = for lexical_feedback class. John W. Eaton <jwe@octave.org> parents: 16100 diff changeset	33 #include <set>
11464 21b5284fa78d avoid error when parsing nested functions John W. Eaton <jwe@octave.org> parents: 11367 diff changeset	34 #include <stack>
8745 6dc61981d18b better handling of object indexing in lexer John W. Eaton <jwe@octave.org> parents: 8701 diff changeset	35
16228 e19b1632d7c1 revamp most comment handling John W. Eaton <jwe@octave.org> parents: 16224 diff changeset	36 #include "comment-list.h"
27766 0ca7f17de041 use file position object to track line and column info in lexer and parser John W. Eaton <jwe@octave.org> parents: 27736 diff changeset	37 #include "filepos.h"
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	38 #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	39 #include "symscope.h"
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	40 #include "token.h"
16195 b52d2f9294b6 use class for reading lexer input John W. Eaton <jwe@octave.org> parents: 16194 diff changeset	41
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31479 diff changeset	42 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31479 diff changeset	43
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	44 class interpreter;
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	45
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	46 // Is the given string a keyword?
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	47 extern bool iskeyword (const std::string& s);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	48
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	49 // For communication between the lexer and parser.
1826 b14829582cc4 [project @ 1996-02-02 03:05:07 by jwe] jwe parents: 1315 diff changeset	50
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	51 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	52 lexical_feedback
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	53 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	54 public:
16320 09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	55
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	56 // Track symbol table information when parsing functions.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	57
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	58 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	59 {
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	60 public:
09f0cb9cac7d don't modify symbol table scope in the parser John W. Eaton <jwe@octave.org> parents: 16294 diff changeset	61
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	62 symbol_table_context (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	63 : m_interpreter (interp), m_frame_stack () { }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	64
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	65 ~symbol_table_context (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	66
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	67 void clear (void);
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	68
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	69 bool empty (void) const { return m_frame_stack.empty (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	70
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	71 std::size_t size (void) const { return m_frame_stack.size (); }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	72
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	73 void pop (void);
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	74
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	75 void push (const symbol_scope& scope)
16104 c8974e28da59 move nesting_level to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16103 diff changeset	76 {
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	77 m_frame_stack.push_front (scope);
16265 71ee3afedb69 5/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16263 diff changeset	78 }
71ee3afedb69 5/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16263 diff changeset	79
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	80 symbol_scope curr_scope (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	81 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	82
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	83 private:
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	84
27443 075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	85 interpreter& m_interpreter;
075602880383 store ref to interpreter in lexical_feedback and symbol_table_context classes John W. Eaton <jwe@octave.org> parents: 27162 diff changeset	86
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	87 std::deque<symbol_scope> m_frame_stack;
16230 4bf907906134 use a queue to hold tokens in the lexer John W. Eaton <jwe@octave.org> parents: 16229 diff changeset	88 };
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	89
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	90 // Track nesting of square brackets, curly braces, and parentheses.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	91
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	92 class bbp_nesting_level
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	93 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	94 private:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	95
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	96 enum bracket_type
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	97 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	98 BRACKET = 1,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	99 BRACE = 2,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	100 PAREN = 3,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	101 ANON_FCN_BODY = 4
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	102 };
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	103
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	104 public:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	105
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	106 bbp_nesting_level (void) : m_context () { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	107
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	108 bbp_nesting_level (const bbp_nesting_level& nl)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	109 : m_context (nl.m_context)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	110 { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	111
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	112 bbp_nesting_level& operator = (const bbp_nesting_level& nl)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	113 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	114 if (&nl != this)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	115 m_context = nl.m_context;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	116
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	117 return *this;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	118 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	119
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	120 ~bbp_nesting_level (void) = default;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	121
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	122 // Alias for clear function.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	123 void reset (void) { clear (); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	124
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	125 void bracket (void) { m_context.push (BRACKET); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	126
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	127 bool is_bracket (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	128 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	129 return ! m_context.empty () && m_context.top () == BRACKET;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	130 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	131
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	132 void brace (void) { m_context.push (BRACE); }
16193 d7392bf42fd1 use inheritance to simplify initialization in octave_lexer constructor John W. Eaton <jwe@octave.org> parents: 16185 diff changeset	133
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	134 bool is_brace (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	135 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	136 return ! m_context.empty () && m_context.top () == BRACE;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	137 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	138
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	139 void paren (void) { m_context.push (PAREN); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	140
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	141 bool is_paren (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	142 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	143 return ! m_context.empty () && m_context.top () == PAREN;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	144 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	145
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	146 void anon_fcn_body (void) { m_context.push (ANON_FCN_BODY); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	147
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	148 bool is_anon_fcn_body (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	149 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	150 return ! m_context.empty () && m_context.top () == ANON_FCN_BODY;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	151 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	152
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	153 bool is_bracket_or_brace (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	154 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	155 return (! m_context.empty ()
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	156 && (m_context.top () == BRACKET \|\| m_context.top () == BRACE));
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	157 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	158
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	159 bool none (void) { return m_context.empty (); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	160
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	161 void remove (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	162 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	163 if (! m_context.empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	164 m_context.pop ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	165 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	166
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	167 void clear (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	168 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	169 while (! m_context.empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	170 m_context.pop ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	171 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	172
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	173 private:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	174
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	175 std::stack<int> m_context;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	176 };
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	177
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	178 class token_cache
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	179 {
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	180 public:
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	181
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	182 // Store an "unlimited" number of tokens.
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	183
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	184 // Tokens are allocated with new. Delete them when they are
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	185 // removed from the cache.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	186 //
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	187 // One of the reasons for using this class instead of std::deque
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	188 // directly is that we can ensure that memory is cleaned up
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	189 // properly. It's more tedious to do that with deque since the
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	190 // deque destructor and clear method don't call delete on the
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	191 // elements that it stores. Another reason is that it makes it
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	192 // easier to change the implementation later if needed.
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	193
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	194 token_cache (void) : 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	195
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	196 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	197
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	198 token_cache (const token_cache&) = delete;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	199
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	200 token_cache& operator = (const token_cache&) = delete;
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	201
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	202 ~token_cache (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	203
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	204 void push (token *tok)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	205 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	206 m_buffer.push_front (tok);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	207 }
27778 2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	208
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	209 void pop (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	210 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	211 if (! empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	212 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	213 delete m_buffer.back ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	214 m_buffer.pop_back ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	215 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	216 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	217
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	218 // Direct access.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	219 token * at (std::size_t n)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	220 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	221 return empty () ? nullptr : m_buffer.at (n);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	222 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	223
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	224 const token * at (std::size_t n) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	225 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	226 return empty () ? nullptr : m_buffer.at (n);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	227 }
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	228
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	229 // Most recently pushed.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	230 token * front (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	231 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	232 return empty () ? nullptr : m_buffer.front ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	233 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	234
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	235 const token * front (void) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	236 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	237 return empty () ? nullptr : m_buffer.front ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	238 }
25443 2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	239
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	240 token * back (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	241 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	242 return empty () ? nullptr : m_buffer.back ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	243 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	244
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	245 const token * back (void) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	246 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	247 return empty () ? nullptr : m_buffer.back ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	248 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	249
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	250 // Number of elements currently in the buffer.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	251 std::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	252
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	253 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	254
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	255 void clear (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	256 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	257 while (! empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	258 pop ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 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
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	261 private:
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	262
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	263 std::deque<token *> m_buffer;
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	264 };
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	265
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	266 lexical_feedback (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	267 : m_interpreter (interp),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	268 m_end_of_input (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	269 m_allow_command_syntax (true),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	270 m_at_beginning_of_statement (true),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	271 m_looking_at_anon_fcn_args (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	272 m_looking_at_return_list (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	273 m_looking_at_parameter_list (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	274 m_looking_at_decl_list (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	275 m_looking_at_matrix_or_assign_lhs (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	276 m_looking_for_object_index (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	277 m_looking_at_indirect_ref (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	278 m_arguments_is_keyword (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	279 m_classdef_element_names_are_keywords (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	280 m_parsing_anon_fcn_body (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	281 m_parsing_class_method (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	282 m_parsing_classdef (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	283 m_parsing_classdef_decl (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	284 m_parsing_classdef_superclass (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	285 m_maybe_classdef_get_set_method (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	286 m_parsing_classdef_get_method (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	287 m_parsing_classdef_set_method (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	288 m_quote_is_transpose (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	289 m_force_script (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	290 m_reading_fcn_file (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	291 m_reading_script_file (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	292 m_reading_classdef_file (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	293 m_buffer_function_text (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	294 m_bracketflag (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	295 m_braceflag (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	296 m_looping (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	297 m_defining_fcn (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	298 m_looking_at_function_handle (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	299 m_block_comment_nesting_level (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	300 m_command_arg_paren_count (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	301 m_token_count (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	302 m_filepos (1, 1),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	303 m_tok_beg (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	304 m_tok_end (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	305 m_string_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	306 m_current_input_line (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	307 m_comment_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	308 m_help_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	309 m_function_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	310 m_fcn_file_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	311 m_fcn_file_full_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	312 m_dir_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	313 m_package_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	314 m_looking_at_object_index (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	315 m_parsed_function_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	316 m_symtab_context (interp),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	317 m_nesting_level (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	318 m_tokens ()
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	319 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	320 init ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	321 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	322
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	323 // No copying!
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	324
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	325 lexical_feedback (const lexical_feedback&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	326
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	327 lexical_feedback& operator = (const lexical_feedback&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	328
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	329 ~lexical_feedback (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	330
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	331 void init (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	332
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	333 void reset (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	334
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	335 int previous_token_value (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	336
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	337 bool previous_token_value_is (int tok_val) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	338
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	339 void mark_previous_token_trailing_space (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	340
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	341 bool space_follows_previous_token (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	342
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	343 bool previous_token_is_binop (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	344
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	345 bool previous_token_is_keyword (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	346
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	347 bool previous_token_may_be_command (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	348
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	349 void mark_as_variable (const std::string& nm);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	350 void mark_as_variables (const std::list<std::string>& lst);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	351
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	352 interpreter& m_interpreter;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	353
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	354 // true means that we have encountered eof on the input stream.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	355 bool m_end_of_input;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	356
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	357 // true means command syntax is allowed.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	358 bool m_allow_command_syntax;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	359
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	360 // true means we are at the beginning of a statement, where a
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	361 // command name is possible.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	362 bool m_at_beginning_of_statement;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	363
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	364 // true means we are parsing an anonymous function argument list.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	365 bool m_looking_at_anon_fcn_args;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	366
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	367 // true means we're parsing the return list for a function.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	368 bool m_looking_at_return_list;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	369
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	370 // true means we're parsing the parameter list for a function.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	371 bool m_looking_at_parameter_list;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	372
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	373 // true means we're parsing a declaration list (global or
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	374 // persistent).
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	375 bool m_looking_at_decl_list;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	376
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	377 // true means we're parsing a matrix or the left hand side of
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	378 // multi-value assignment statement.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	379 bool m_looking_at_matrix_or_assign_lhs;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	380
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	381 // object index not possible until we've seen something.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	382 bool m_looking_for_object_index;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	383
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	384 // true means we're looking at an indirect reference to a
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	385 // structure element.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	386 bool m_looking_at_indirect_ref;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	387
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	388 // true means arguments is handled as keyword.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	389 bool m_arguments_is_keyword;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	390
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	391 // true means "properties", "methods", "events", and "enumeration"
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	392 // are treated like keywords.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	393 bool m_classdef_element_names_are_keywords;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	394
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	395 // true means we are parsing the body of an anonymous function.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	396 bool m_parsing_anon_fcn_body;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	397
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	398 // true means we are parsing a class method in function or classdef file.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	399 bool m_parsing_class_method;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	400
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	401 // true means we are parsing a classdef file
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	402 bool m_parsing_classdef;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	403
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	404 // true means we are parsing the initial classdef declaration
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	405 // portion of classdef file, from the "classdef" token through the
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	406 // optional list of superclasses.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	407 bool m_parsing_classdef_decl;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	408
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	409 // true means we are parsing the superclass part of a classdef
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	410 // declaration.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	411 bool m_parsing_classdef_superclass;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	412
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	413 // true means we are parsing a class method declaration line in a
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	414 // classdef file and can accept a property get or set method name.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	415 // for example, "get.propertyname" is recognized as a function name.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	416 bool m_maybe_classdef_get_set_method;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	417
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	418 // TRUE means we are parsing a classdef get.method.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	419 bool m_parsing_classdef_get_method;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	420
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	421 // TRUE means we are parsing a classdef set.method.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	422 bool m_parsing_classdef_set_method;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	423
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	424 // return transpose or start a string?
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	425 bool m_quote_is_transpose;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	426
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	427 // TRUE means treat the current file as a script even if the first
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	428 // token is "function" or "classdef".
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	429 bool m_force_script;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	430
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	431 // TRUE means we're parsing a function file.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	432 bool m_reading_fcn_file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	433
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	434 // TRUE means we're parsing a script file.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	435 bool m_reading_script_file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	436
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	437 // TRUE means we're parsing a classdef file.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	438 bool m_reading_classdef_file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	439
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	440 // TRUE means we should store the text of the function we are
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	441 // parsing.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	442 bool m_buffer_function_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	443
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	444 // square bracket level count.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	445 int m_bracketflag;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	446
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	447 // curly brace level count.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	448 int m_braceflag;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	449
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	450 // true means we're in the middle of defining a loop.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	451 int m_looping;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	452
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	453 // nonzero means we're in the middle of defining a function.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	454 int m_defining_fcn;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	455
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	456 // nonzero means we are parsing a function handle.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	457 int m_looking_at_function_handle;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	458
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	459 // nestng level for block comments.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	460 int m_block_comment_nesting_level;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	461
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	462 // Parenthesis count for command argument parsing.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	463 int m_command_arg_paren_count;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	464
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	465 // Count of tokens recognized by this lexer since initialized or
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	466 // since the last reset.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	467 std::size_t m_token_count;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	468
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	469 // The current position in the file (line and column).
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	470 filepos m_filepos;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	471
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	472 // The positions of the beginning and end of the current token after
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	473 // calling update_token_positions. Also used apart from
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	474 // update_token_positions to handle the beginning and end of
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	475 // character strings.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	476 filepos m_tok_beg;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	477 filepos m_tok_end;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	478
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	479 // The current character string text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	480 std::string m_string_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	481
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	482 // The current line of input.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	483 std::string m_current_input_line;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	484
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	485 // The current comment text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	486 std::string m_comment_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	487
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	488 // The current help text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	489 std::string m_help_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	490
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	491 // The text of functions entered on the command line.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	492 std::string m_function_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	493
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	494 // Simple name of function file we are reading.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	495 std::string m_fcn_file_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	496
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	497 // Full name of file we are reading.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	498 std::string m_fcn_file_full_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	499
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	500 // Directory name where this file was found. May be relative.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	501 std::string m_dir_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	502
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	503 // Name of +package containing this file, if any.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	504 std::string m_package_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	505
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	506 // if the front of the list is true, the closest paren, brace, or
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	507 // bracket nesting is an index for an object.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	508 std::list<bool> m_looking_at_object_index;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	509
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	510 // if the top of the stack is true, then we've already seen the name
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	511 // of the current function. should only matter if
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	512 // current_function_level > 0
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	513 std::stack<bool> m_parsed_function_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	514
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	515 // Track current symbol table scope and context.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	516 symbol_table_context m_symtab_context;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	517
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	518 // is the closest nesting level a square bracket, squiggly brace,
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	519 // a paren, or an anonymous function body?
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	520 bbp_nesting_level m_nesting_level;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	521
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	522 // Tokens generated by the lexer.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	523 token_cache m_tokens;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	524 };
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	525
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	526 // base_lexer inherits from lexical_feedback because we will
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	527 // eventually have several different constructors and it is easier to
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	528 // initialize if everything is grouped in a parent class rather than
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	529 // listing all the members in the base_lexer class.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	530
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	531 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	532 base_lexer : public lexical_feedback
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	533 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	534 public:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	535
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	536 // Handle buffering of input for lexer.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	537
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	538 class input_buffer
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	539 {
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	540 public:
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	541
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	542 input_buffer (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	543 : m_buffer (), m_offset (0), 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	544 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	545
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	546 void fill (const std::string& input, bool eof_arg);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	547
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	548 // Copy at most max_size characters to buf.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	549 int copy_chunk (char *buf, std::size_t max_size, bool by_lines = false);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	550
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	551 bool empty (void) const { return m_chars_left == 0; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	552
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	553 bool at_eof (void) const { return m_eof; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	554
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	555 private:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	556
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	557 std::string m_buffer;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	558 std::size_t m_offset;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	559 std::size_t m_chars_left;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	560 bool m_eof;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	561 };
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	562
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	563 // Collect comment text.
28953 dff830c84726 Add function "dir_encoding" to set a file encoding per directory (bug #49685). Markus Mützel <markus.muetzel@gmx.de> parents: 28583 diff changeset	564
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	565 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	566 comment_buffer
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	567 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	568 public:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	569
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	570 comment_buffer (void) : m_comment_list (nullptr) { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	571
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	572 ~comment_buffer (void) { delete m_comment_list; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	573
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	574 void append (const std::string& s, comment_elt::comment_type t)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	575 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	576 if (! m_comment_list)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	577 m_comment_list = new comment_list ();
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	578
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	579 m_comment_list->append (s, t);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	580 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	581
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	582 // Caller is expected to delete the returned value.
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	583
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	584 comment_list * get_comment (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	585 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	586 comment_list *retval = m_comment_list;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	587
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	588 m_comment_list = nullptr;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	589
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	590 return retval;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	591 }
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	592
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	593 void reset (void)
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	594 {
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	595 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	596
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	597 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	598 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	599
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	600 private:
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	601
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	602 comment_list *m_comment_list;
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	603 };
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	604
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	605 base_lexer (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	606 : lexical_feedback (interp), m_scanner (nullptr), m_input_buf (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	607 m_comment_buf ()
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	608 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	609 init ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	610 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	611
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	612 // No copying!
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	613
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	614 base_lexer (const base_lexer&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	615
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	616 base_lexer& operator = (const base_lexer&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	617
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	618 virtual ~base_lexer (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	619
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	620 void init (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	621
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	622 virtual bool is_push_lexer (void) const { return false; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	623
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	624 virtual void reset (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	625
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	626 void prep_for_file (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	627
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	628 void begin_string (int state);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	629
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	630 virtual int fill_flex_buffer (char *buf, unsigned int max_size) = 0;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	631
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	632 bool at_end_of_buffer (void) const { return m_input_buf.empty (); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	633
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	634 bool at_end_of_file (void) const { return m_input_buf.at_eof (); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	635
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	636 int handle_end_of_input (void);
28583 96e7dc4c2214 improve Matlab compatibility for binary and hexadecimal constants John W. Eaton <jwe@octave.org> parents: 28565 diff changeset	637
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	638 char * flex_yytext (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	639
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	640 int flex_yyleng (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	641
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	642 int text_yyinput (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	643
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	644 void xunput (char c, char *buf);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	645
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	646 void xunput (char c);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	647
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	648 void update_token_positions (int tok_len);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	649
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	650 bool looking_at_space (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	651
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	652 bool inside_any_object_index (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	653
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	654 int make_keyword_token (const std::string& s);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	655
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	656 bool fq_identifier_contains_keyword (const std::string& s);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	657
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	658 bool whitespace_is_significant (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	659
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	660 // We only provide specializations with base equal to 2, 10, or 16.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	661 template <int base>
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	662 int handle_number (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	663
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	664 void handle_continuation (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	665
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	666 void finish_comment (comment_elt::comment_type typ);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	667
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	668 comment_list * get_comment (void) { return m_comment_buf.get_comment (); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	669
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	670 int handle_close_bracket (int bracket_type);
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	671
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	672 bool looks_like_command_arg (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	673
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	674 int handle_superclass_identifier (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	675
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	676 int handle_meta_identifier (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	677
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	678 int handle_fq_identifier (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	679
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	680 int handle_identifier (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	681
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	682 void maybe_warn_separator_insert (char sep);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	683
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	684 void warn_language_extension (const std::string& msg);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	685
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	686 void maybe_warn_language_extension_comment (char c);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	687
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	688 void warn_language_extension_continuation (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	689
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	690 void warn_language_extension_operator (const std::string& op);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	691
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	692 void warn_deprecated_syntax (const std::string& msg);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	693
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	694 void push_token (token *);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	695
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	696 token * current_token (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	697
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	698 std::size_t pending_token_count (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	699
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	700 void display_token (int tok);
16253 a89cf57ba3a5 partial cleanup of continuation handling in lexer John W. Eaton <jwe@octave.org> parents: 16231 diff changeset	701
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	702 void fatal_error (const char *msg);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	703
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	704 bool debug_flag (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	705
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	706 bool display_tokens (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	707
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	708 void increment_token_count (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	709
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	710 void lexer_debug (const char *pattern);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	711
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	712 // Internal state of the flex-generated lexer.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	713 void *m_scanner;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	714
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	715 // Object that reads and buffers input.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	716 input_buffer m_input_buf;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	717
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	718 // Object that collects comment text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	719 comment_buffer m_comment_buf;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	720
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	721 virtual std::string input_source (void) const { return "unknown"; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	722
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	723 virtual bool input_from_terminal (void) const { return false; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	724
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	725 virtual bool input_from_file (void) const { return false; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	726
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	727 virtual bool input_from_eval_string (void) const { return false; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	728
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	729 bool input_from_tmp_history_file (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	730
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	731 void push_start_state (int state);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	732
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	733 void pop_start_state (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	734
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	735 void clear_start_state (void);
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	736
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	737 int start_state (void) const { return start_state_stack.top (); }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	738
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	739 void display_start_state (void) const;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	740
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	741 bool maybe_unput_comma_before_unary_op (int tok);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	742
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	743 int handle_op (int tok, bool bos = false, bool compat = true);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	744
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	745 int finish_command_arg (void);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	746
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	747 int handle_token (int tok, token *tok_val = nullptr);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	748
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	749 int count_token (int tok);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	750
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	751 int count_token_internal (int tok);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	752
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	753 int show_token (int tok);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	754
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	755 protected:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	756
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	757 std::stack<int> start_state_stack;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	758 };
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	759
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	760 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	761 lexer : public base_lexer
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	762 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	763 public:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	764
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	765 lexer (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	766 : base_lexer (interp), m_reader (interp), m_initial_input (true)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	767 { }
16209 e7ff32e7cf82 move global promptflag variable to octave_reader class John W. Eaton <jwe@octave.org> parents: 16207 diff changeset	768
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	769 lexer (FILE *file, interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	770 : base_lexer (interp), m_reader (interp, file), m_initial_input (true)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	771 { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	772
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	773 lexer (FILE *file, interpreter& interp, const std::string& encoding)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	774 : base_lexer (interp), m_reader (interp, file, encoding),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	775 m_initial_input (true)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	776 { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	777
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	778 lexer (const std::string& eval_string, interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	779 : base_lexer (interp), m_reader (interp, eval_string),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	780 m_initial_input (true)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	781 { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	782
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	783 // No copying!
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	784
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	785 lexer (const lexer&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	786
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	787 lexer& operator = (const lexer&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	788
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	789 void reset (void)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	790 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	791 m_initial_input = true;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	792
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	793 base_lexer::reset ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	794 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	795
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	796 std::string input_source (void) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	797 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	798 return m_reader.input_source ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	799 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	800
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	801 bool input_from_terminal (void) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	802 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	803 return m_reader.input_from_terminal ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	804 }
16224 4a848eb52de2 use stack for tracking lexer start states John W. Eaton <jwe@octave.org> parents: 16209 diff changeset	805
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	806 bool input_from_file (void) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	807 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	808 return m_reader.input_from_file ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	809 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	810
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	811 bool input_from_eval_string (void) const
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	812 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	813 return m_reader.input_from_eval_string ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	814 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	815
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	816 int fill_flex_buffer (char *buf, unsigned int max_size);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	817
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	818 input_reader m_reader;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	819
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	820 // TRUE means we are filling the input buffer for the first time.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	821 // Otherwise, we are requesting more input to complete the parse
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	822 // and, if printing a prompt, should use the secondary prompt
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	823 // string.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	824
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	825 bool m_initial_input;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	826 };
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	827
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	828 template <> int base_lexer::handle_number<2> ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	829 template <> int base_lexer::handle_number<10> ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	830 template <> int base_lexer::handle_number<16> ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	831
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	832 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	833 push_lexer : public base_lexer
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	834 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	835 public:
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	836
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	837 push_lexer (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	838 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	839 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	840 append_input ("", false);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	841 }
16263 9acb86e6ac90 4/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16259 diff changeset	842
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	843 push_lexer (const std::string& input, interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	844 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	845 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	846 append_input (input, false);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	847 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	848
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	849 push_lexer (bool eof, interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	850 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	851 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	852 append_input ("", eof);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	853 }
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 diff changeset	854
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	855 push_lexer (const std::string& input, bool eof, interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	856 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	857 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	858 append_input (input, eof);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	859 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	860
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	861 // No copying!
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	862
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	863 push_lexer (const push_lexer&) = delete;
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	864
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	865 push_lexer& operator = (const push_lexer&) = delete;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	866
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	867 bool is_push_lexer (void) const { return true; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	868
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	869 void append_input (const std::string& input, bool eof);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	870
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	871 std::string input_source (void) const { return "push buffer"; }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	872
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	873 int fill_flex_buffer (char *buf, unsigned int max_size);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	874 };
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31479 diff changeset	875
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31479 diff changeset	876 OCTAVE_END_NAMESPACE(octave)
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	877
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	878 #endif

Mercurial > octave

annotate libinterp/parse-tree/lex.h @ 31608:23664317f0d3