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

annotate libinterp/parse-tree/lex.h @ 31837:febd82d1a8de

use new macros to consistently delete copy and move member functions Use new OCTAVE_DISABLE_COPY_MOVE macro to consistently disable copy and move constructors and assignment operators. Consistently declare deleted functions in public class sections. Affected files: dw-main-window.h, gui-preferences.h, gui-settings.h, qt-application.h, qt-interpreter-events.h, variable-editor-model.cc, variable-editor-model.h, variable-editor.h, base-text-renderer.h, c-file-ptr-stream.h, dynamic-ld.h, error.h, event-manager.h, event-queue.h, fcn-info.h, ft-text-renderer.cc, gl-render.cc, gl-render.h, graphics.cc, graphics.in.h, gzfstream.h, interpreter.cc, interpreter.h, load-path.h, load-save.h, mex.cc, mxarray.h, oct-fstrm.h, oct-hist.h, oct-iostrm.h, oct-prcstrm.h, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, pager.h, settings.h, stack-frame.cc, symscope.h, symtab.h, text-renderer.h, url-handle-manager.h, __init_fltk__.cc, gzip.cc, cdef-class.cc, cdef-manager.h, ov-builtin.h, ov-class.cc, ov-classdef.h, ov-dld-fcn.h, ov-fcn.h, ov-mex-fcn.h, ov-typeinfo.h, ov-usr-fcn.h, octave.h, anon-fcn-validator.h, lex.h, oct-parse.yy, parse.h, profiler.h, pt-anon-scopes.h, pt-arg-list.h, pt-args-block.h, pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-id.h, pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h, pt-spmd.h, pt-stmt.h, pt-tm-const.h, pt-unop.h, pt-walk.h, pt.h, token.h, Array-base.cc, idx-vector.h, oct-fftw.h, sparse-chol.cc, sparse-qr.cc, oct-env.h, action-container.h, cmd-edit.cc, cmd-edit.h, cmd-hist.h, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-sort.h, oct-string.h, singleton-cleanup.h, unwind-prot.h, url-transfer.cc, and url-transfer.h.

author	John W. Eaton <jwe@octave.org>
date	Thu, 16 Feb 2023 14:43:18 -0500
parents	21f9b34eb893
children	1daf8bfceac3

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 //
31706 597f3ee61a48 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 31607 diff changeset	3 // Copyright (C) 1993-2023 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	65 ~symbol_table_context () { 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	67 void clear ();
22858 a183a0929653 eliminate size limit for token cache; provide destructor for class John W. Eaton <jwe@octave.org> parents: 22857 diff changeset	68
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	69 bool empty () 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	71 std::size_t size () 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	73 void pop ();
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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	80 symbol_scope curr_scope () const;
21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	81 symbol_scope parent_scope () 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	106 bbp_nesting_level () : m_context () { }
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	120 ~bbp_nesting_level () = default;
31607 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.
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	123 void reset () { clear (); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	124
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	125 void bracket () { m_context.push (BRACKET); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	126
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	127 bool is_bracket ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	132 void brace () { 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	134 bool is_brace ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	139 void paren () { m_context.push (PAREN); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	140
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	141 bool is_paren ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	146 void anon_fcn_body () { m_context.push (ANON_FCN_BODY); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	147
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	148 bool is_anon_fcn_body ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	153 bool is_bracket_or_brace ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	159 bool none () { return m_context.empty (); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	160
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	161 void remove ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	167 void clear ()
31607 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
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	194 token_cache () : 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
31837 febd82d1a8de use new macros to consistently delete copy and move member functions John W. Eaton <jwe@octave.org> parents: 31771 diff changeset	196 OCTAVE_DISABLE_COPY_MOVE (token_cache)
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	197
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	198 ~token_cache () { clear (); }
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 void push (token *tok)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	201 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	202 m_buffer.push_front (tok);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	203 }
27778 2f8559459314 store beginning and ending location info for tokens recognized by lexer John W. Eaton <jwe@octave.org> parents: 27777 diff changeset	204
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	205 void pop ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	206 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	207 if (! empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	208 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	209 delete m_buffer.back ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	210 m_buffer.pop_back ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	211 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	212 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	213
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	214 // Direct access.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	215 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	216 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	217 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	218 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	219
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	220 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	221 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	222 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	223 }
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	224
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	225 // Most recently pushed.
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	226 token * front ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	227 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	228 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	229 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	230
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	231 const token * front () const
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	232 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	233 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	234 }
25443 2fa7cd178c4a new class for miscellaneous interpreter settings John W. Eaton <jwe@octave.org> parents: 25441 diff changeset	235
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	236 token * back ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	237 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	238 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	239 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	240
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	241 const token * back () const
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	242 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	243 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	244 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	245
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	246 // Number of elements currently in the buffer.
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	247 std::size_t size () 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	248
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	249 bool empty () 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	250
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	251 void clear ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	252 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	253 while (! empty ())
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	254 pop ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	255 }
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	256
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	257 private:
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	258
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	259 std::deque<token *> m_buffer;
16183 359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	260 };
359d56094efa handle lexer input buffering with class John W. Eaton <jwe@octave.org> parents: 16164 diff changeset	261
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	262 lexical_feedback (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	263 : m_interpreter (interp),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	264 m_end_of_input (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	265 m_allow_command_syntax (true),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	266 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	267 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	268 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	269 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	270 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	271 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	272 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	273 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	274 m_arguments_is_keyword (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	275 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	276 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	277 m_parsing_class_method (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	278 m_parsing_classdef (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	279 m_parsing_classdef_decl (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	280 m_parsing_classdef_superclass (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	281 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	282 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	283 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	284 m_quote_is_transpose (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	285 m_force_script (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	286 m_reading_fcn_file (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	287 m_reading_script_file (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	288 m_reading_classdef_file (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	289 m_buffer_function_text (false),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	290 m_bracketflag (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	291 m_braceflag (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	292 m_looping (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	293 m_defining_fcn (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	294 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	295 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	296 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	297 m_token_count (0),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	298 m_filepos (1, 1),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	299 m_tok_beg (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	300 m_tok_end (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	301 m_string_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	302 m_current_input_line (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	303 m_comment_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	304 m_help_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	305 m_function_text (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	306 m_fcn_file_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	307 m_fcn_file_full_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	308 m_dir_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	309 m_package_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	310 m_looking_at_object_index (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	311 m_parsed_function_name (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	312 m_symtab_context (interp),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	313 m_nesting_level (),
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	314 m_tokens ()
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	315 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	316 init ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	317 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	318
31837 febd82d1a8de use new macros to consistently delete copy and move member functions John W. Eaton <jwe@octave.org> parents: 31771 diff changeset	319 OCTAVE_DISABLE_COPY_MOVE (lexical_feedback)
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	320
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	321 ~lexical_feedback ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	322
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	323 void init ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	324
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	325 void reset ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	326
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	327 int previous_token_value () const;
31607 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 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	330
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	331 void mark_previous_token_trailing_space ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	332
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	333 bool space_follows_previous_token () const;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	334
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	335 bool previous_token_is_binop () const;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	336
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	337 bool previous_token_is_keyword () const;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	338
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	339 bool previous_token_may_be_command () const;
31607 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 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	342 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	343
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	344 interpreter& m_interpreter;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	345
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	346 // 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	347 bool m_end_of_input;
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 // 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	350 bool m_allow_command_syntax;
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 // 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	353 // command name is possible.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	354 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	355
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	356 // 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	357 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	358
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	359 // 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	360 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	361
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	362 // 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	363 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	364
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	365 // 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	366 // persistent).
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	367 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	368
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	369 // 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	370 // multi-value assignment statement.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	371 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	372
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	373 // 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	374 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	375
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	376 // 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	377 // structure element.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	378 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	379
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	380 // 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	381 bool m_arguments_is_keyword;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	382
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	383 // 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	384 // are treated like keywords.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	385 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	386
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	387 // 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	388 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	389
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	390 // 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	391 bool m_parsing_class_method;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	392
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	393 // 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	394 bool m_parsing_classdef;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	395
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	396 // 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	397 // 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	398 // optional list of superclasses.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	399 bool m_parsing_classdef_decl;
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 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	402 // declaration.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	403 bool m_parsing_classdef_superclass;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	404
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	405 // 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	406 // 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	407 // 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	408 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	409
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	410 // 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	411 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	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 classdef set.method.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	414 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	415
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	416 // 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	417 bool m_quote_is_transpose;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	418
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	419 // 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	420 // token is "function" or "classdef".
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	421 bool m_force_script;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	422
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	423 // 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	424 bool m_reading_fcn_file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	425
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	426 // 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	427 bool m_reading_script_file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	428
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	429 // 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	430 bool m_reading_classdef_file;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	431
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	432 // 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	433 // parsing.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	434 bool m_buffer_function_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	435
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	436 // square bracket level count.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	437 int m_bracketflag;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	438
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	439 // curly brace level count.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	440 int m_braceflag;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	441
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	442 // 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	443 int m_looping;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	444
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	445 // 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	446 int m_defining_fcn;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	447
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	448 // 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	449 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	450
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	451 // nestng level for block comments.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	452 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	453
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	454 // 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	455 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	456
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	457 // 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	458 // since the last reset.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	459 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	460
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	461 // 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	462 filepos m_filepos;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	463
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	464 // 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	465 // 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	466 // 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	467 // character strings.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	468 filepos m_tok_beg;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	469 filepos m_tok_end;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	470
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	471 // The current character string text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	472 std::string m_string_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	473
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	474 // The current line of input.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	475 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	476
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	477 // The current comment text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	478 std::string m_comment_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	479
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	480 // The current help text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	481 std::string m_help_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	482
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	483 // 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	484 std::string m_function_text;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	485
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	486 // 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	487 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	488
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	489 // 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	490 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	491
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	492 // 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	493 std::string m_dir_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	494
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	495 // 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	496 std::string m_package_name;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	497
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	498 // 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	499 // 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	500 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	501
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	502 // 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	503 // 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	504 // current_function_level > 0
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	505 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	506
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	507 // 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	508 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	509
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	510 // 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	511 // 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	512 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	513
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	514 // Tokens generated by the lexer.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	515 token_cache m_tokens;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	516 };
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 // 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	519 // 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	520 // 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	521 // 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	522
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	523 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	524 base_lexer : public lexical_feedback
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 public:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	527
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	528 // 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	529
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	530 class input_buffer
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	531 {
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	532 public:
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	533
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	534 input_buffer ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	535 : 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	536 { }
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	537
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	538 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	539
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	540 // 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	541 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	542
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	543 bool empty () const { return m_chars_left == 0; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	544
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	545 bool at_eof () const { return m_eof; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	546
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	547 private:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	548
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	549 std::string m_buffer;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	550 std::size_t m_offset;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	551 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	552 bool m_eof;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	553 };
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 // 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	556
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	557 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	558 comment_buffer
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	559 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	560 public:
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	561
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	562 comment_buffer () : m_comment_list (nullptr) { }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	563
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	564 ~comment_buffer () { delete m_comment_list; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	565
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	566 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	567 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	568 if (! m_comment_list)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	569 m_comment_list = new comment_list ();
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	570
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	571 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	572 }
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 // Caller is expected to delete the returned value.
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	575
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	576 comment_list * get_comment ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	577 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	578 comment_list *retval = m_comment_list;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	579
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	580 m_comment_list = nullptr;
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 return retval;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	583 }
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	584
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	585 void reset ()
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	586 {
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	587 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	588
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	589 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	590 }
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	591
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	592 private:
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 21814 diff changeset	593
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	594 comment_list *m_comment_list;
17693 efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	595 };
efbe746f8fa8 eliminate octave_comment_buffer singleton John W. Eaton <jwe@octave.org> parents: 16898 diff changeset	596
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	597 base_lexer (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	598 : 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	599 m_comment_buf ()
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	600 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	601 init ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	602 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	603
31837 febd82d1a8de use new macros to consistently delete copy and move member functions John W. Eaton <jwe@octave.org> parents: 31771 diff changeset	604 OCTAVE_DISABLE_COPY_MOVE (base_lexer)
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	605
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	606 virtual ~base_lexer ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	607
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	608 void init ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	609
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	610 virtual bool is_push_lexer () const { return false; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	611
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	612 virtual void reset ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	613
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	614 void prep_for_file ();
31607 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 void begin_string (int state);
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 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	619
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	620 bool at_end_of_buffer () const { return m_input_buf.empty (); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	621
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	622 bool at_end_of_file () const { return m_input_buf.at_eof (); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	623
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	624 int handle_end_of_input ();
28583 96e7dc4c2214 improve Matlab compatibility for binary and hexadecimal constants John W. Eaton <jwe@octave.org> parents: 28565 diff changeset	625
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	626 char * flex_yytext ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	627
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	628 int flex_yyleng ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	629
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	630 int text_yyinput ();
31607 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 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	633
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	634 void xunput (char c);
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 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	637
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	638 bool looking_at_space ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	639
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	640 bool inside_any_object_index ();
31607 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 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	643
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	644 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	645
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	646 bool whitespace_is_significant ();
31607 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 // 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	649 template <int base>
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	650 int handle_number ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	651
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	652 void handle_continuation ();
31607 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 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	655
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	656 comment_list * get_comment () { return m_comment_buf.get_comment (); }
31607 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 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	659
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	660 bool looks_like_command_arg ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	661
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	662 int handle_superclass_identifier ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	663
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	664 int handle_meta_identifier ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	665
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	666 int handle_fq_identifier ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	667
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	668 int handle_identifier ();
31607 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 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	671
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	672 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	673
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	674 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	675
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	676 void warn_language_extension_continuation ();
31607 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 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	679
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	680 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	681
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	682 void push_token (token *);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	683
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	684 token * current_token ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	685
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	686 std::size_t pending_token_count () const;
31607 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 display_token (int tok);
16253 a89cf57ba3a5 partial cleanup of continuation handling in lexer John W. Eaton <jwe@octave.org> parents: 16231 diff changeset	689
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	690 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	691
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	692 bool debug_flag () const;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	693
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	694 bool display_tokens () const;
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	695
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	696 void increment_token_count ();
31607 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 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	699
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	700 // 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	701 void *m_scanner;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	702
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	703 // 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	704 input_buffer m_input_buf;
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 // Object that collects comment text.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	707 comment_buffer m_comment_buf;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	708
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	709 virtual std::string input_source () const { return "unknown"; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	710
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	711 virtual bool input_from_terminal () const { return false; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	712
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	713 virtual bool input_from_file () const { return false; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	714
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	715 virtual bool input_from_eval_string () const { return false; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	716
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	717 bool input_from_tmp_history_file ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	718
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	719 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	720
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	721 void pop_start_state ();
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	722
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	723 void clear_start_state ();
16113 7c5e5e97a3bc move static lexer helper functions to lexical_feedback class John W. Eaton <jwe@octave.org> parents: 16111 diff changeset	724
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	725 int start_state () const { return start_state_stack.top (); }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	726
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	727 void display_start_state () const;
31607 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 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	730
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	731 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	732
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	733 int finish_command_arg ();
31607 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 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	736
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	737 int count_token (int tok);
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 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	740
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	741 int show_token (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 protected:
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 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	746 };
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	747
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	748 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	749 lexer : public base_lexer
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 public:
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 lexer (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	754 : 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	755 { }
16209 e7ff32e7cf82 move global promptflag variable to octave_reader class John W. Eaton <jwe@octave.org> parents: 16207 diff changeset	756
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	757 lexer (FILE *file, interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	758 : 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	759 { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	760
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	761 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	762 : 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	763 m_initial_input (true)
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
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	766 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	767 : 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	768 m_initial_input (true)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	769 { }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	770
31837 febd82d1a8de use new macros to consistently delete copy and move member functions John W. Eaton <jwe@octave.org> parents: 31771 diff changeset	771 OCTAVE_DISABLE_COPY_MOVE (lexer)
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	772
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	773 void reset ()
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	774 {
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 base_lexer::reset ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	778 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	779
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	780 std::string input_source () const
31607 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 return m_reader.input_source ();
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	783 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	784
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	785 bool input_from_terminal () const
31607 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 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	788 }
16224 4a848eb52de2 use stack for tracking lexer start states John W. Eaton <jwe@octave.org> parents: 16209 diff changeset	789
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	790 bool input_from_file () const
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	791 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	792 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	793 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	794
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	795 bool input_from_eval_string () const
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	796 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	797 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	798 }
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 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	801
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	802 input_reader m_reader;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	803
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	804 // 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	805 // 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	806 // 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	807 // string.
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	808
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	809 bool m_initial_input;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	810 };
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	811
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	812 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	813 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	814 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	815
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	816 class
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	817 push_lexer : public base_lexer
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	818 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	819 public:
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	820
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	821 push_lexer (interpreter& interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	822 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	823 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	824 append_input ("", false);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	825 }
16263 9acb86e6ac90 4/10 commits reworking the lexer John W. Eaton <jwe@octave.org> parents: 16259 diff changeset	826
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	827 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	828 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	829 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	830 append_input (input, false);
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
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	833 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	834 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	835 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	836 append_input ("", eof);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	837 }
16293 57e87ddfee14 create base class for lexer John W. Eaton <jwe@octave.org> parents: 16292 diff changeset	838
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	839 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	840 : base_lexer (interp)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	841 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	842 append_input (input, eof);
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	843 }
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	844
31837 febd82d1a8de use new macros to consistently delete copy and move member functions John W. Eaton <jwe@octave.org> parents: 31771 diff changeset	845 OCTAVE_DISABLE_COPY_MOVE (push_lexer)
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	846
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	847 bool is_push_lexer () const { return true; }
31607 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 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	850
31771 21f9b34eb893 maint: Eliminate "(void)" in C++ function prototypes/declarations. Rik <rik@octave.org> parents: 31707 diff changeset	851 std::string input_source () const { return "push buffer"; }
31607 aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	852
aac27ad79be6 maint: Re-indent code after switch to using namespace macros. Rik <rik@octave.org> parents: 31605 diff changeset	853 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	854 };
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31479 diff changeset	855
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31479 diff changeset	856 OCTAVE_END_NAMESPACE(octave)
16294 0925d1f6875e push parser/lexer interface John W. Eaton <jwe@octave.org> parents: 16293 diff changeset	857
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	858 #endif

Mercurial > octave

annotate libinterp/parse-tree/lex.h @ 31837:febd82d1a8de