Mercurial > octave
annotate libinterp/corefcn/oct-tex-lexer.in.ll @ 23796:4f12819a634f
Use C++11 nullptr rather than 0 in code (bug #51565).
* mk-opts.pl, BlockArray.cpp, KeyboardTranslator.cpp, Screen.cpp,
TerminalCharacterDecoder.cpp, TerminalView.cpp, Vt102Emulation.cpp, dialog.cc,
find-files-dialog.cc, file-editor-tab.cc, main-window.cc, ls-hdf5.cc,
oct-procbuf.h, oct-stream.cc, oct-tex-lexer.in.ll, zfstream.cc, ov-builtin.h,
ov-fcn-handle.cc, ov-typeinfo.h, ov-usr-fcn.h, options-usage.h, lex.ll,
oct-parse.in.yy, pt-loop.h, Array.cc, CSparse.cc, Sparse.h, dSparse.cc,
fCMatrix.cc, idx-vector.cc, idx-vector.h, sparse-chol.cc, cmd-edit.cc,
oct-sort.cc, main.in.cc:
Use C++11 nullptr rather than 0 in code (bug #51565).
author | Rik <rik@octave.org> |
---|---|
date | Wed, 26 Jul 2017 16:26:31 -0700 |
parents | 092078913d54 |
children | 53ca76c5cc8d |
rev | line source |
---|---|
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
1 /* |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
2 |
23219
3ac9f9ecfae5
maint: Update copyright dates.
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3 Copyright (C) 2013-2017 Michael Goffioul |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
4 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
5 This file is part of Octave. |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
6 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
7 Octave is free software; you can redistribute it and/or modify it |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
8 under the terms of the GNU General Public License as published by |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
9 the Free Software Foundation; either version 3 of the License, or |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
10 (at your option) any later version. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
11 |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
12 Octave is distributed in the hope that it will be useful, but |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
13 WITHOUT ANY WARRANTY; without even the implied warranty of |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
15 GNU General Public License for more details. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
16 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
17 You should have received a copy of the GNU General Public License |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
18 along with Octave; see the file COPYING. If not, see |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
19 <http://www.gnu.org/licenses/>. |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
20 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
21 */ |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
22 |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
23 %top { |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21332
diff
changeset
|
24 #if defined (HAVE_CONFIG_H) |
22003
2d3972b802ff
use consistent style for including config.h in source files
John W. Eaton <jwe@octave.org>
parents:
21995
diff
changeset
|
25 # include "config.h" |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
26 #endif |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
27 |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
28 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
29 // This one needs to be global. |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
30 #pragma GCC diagnostic ignored "-Wunused-function" |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
31 |
21987
f31f30a9348f
disable -Wsign-compare for code generated by flex
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
32 // Disable these warnings for code that is generated by flex, including |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
33 // pattern rules. Push the current state so we can restore the warning |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
34 // state prior to functions we define at the bottom of the file. |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
35 #pragma GCC diagnostic push |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
36 #pragma GCC diagnostic ignored "-Wold-style-cast" |
21987
f31f30a9348f
disable -Wsign-compare for code generated by flex
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
37 #pragma GCC diagnostic ignored "-Wsign-compare" |
23796
4f12819a634f
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
38 #pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant" |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
39 #endif |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
40 |
21332
db574711df78
eliminate deprecated register storage class specifier
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
41 // Define away the deprecated register storage class specifier to avoid |
db574711df78
eliminate deprecated register storage class specifier
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
42 // potential warnings about it. |
db574711df78
eliminate deprecated register storage class specifier
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
43 #if ! defined (register) |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21332
diff
changeset
|
44 # define register |
21332
db574711df78
eliminate deprecated register storage class specifier
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
45 #endif |
db574711df78
eliminate deprecated register storage class specifier
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
46 |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
47 } |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
48 |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
49 %option prefix = "octave_tex_" |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
50 %option noyywrap |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
51 %option reentrant |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
52 %option bison-bridge |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
53 |
19784
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
54 %option noyyalloc |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
55 %option noyyrealloc |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
56 %option noyyfree |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
57 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
58 %x NUM_MODE |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
59 %x MAYBE_NUM_MODE |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
60 |
17634
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
61 %{ |
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
62 |
21910
4d723ba06b4a
provide wrappers for some unistd.h functions
John W. Eaton <jwe@octave.org>
parents:
21772
diff
changeset
|
63 #include "unistd-wrappers.h" |
17634
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
64 |
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
65 #include "txt-eng.h" |
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
66 #include "oct-tex-parser.h" |
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
67 |
19775
a941a65c7cb8
handle bison syntax changes in TeX parser
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
68 // FIXME: with bison 3.x, OCTAVE_TEX_STYPE appears in the generated |
a941a65c7cb8
handle bison syntax changes in TeX parser
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
69 // oct-parse.h file, but there is no definition for YYSTYPE, which is |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
70 // needed by the code that is generated by flex. I can't seem to find |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
71 // a way to tell flex to use OCTAVE_TEX_STYPE instead of YYSTYPE in |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
72 // the code it generates, or to tell bison to provide the definition |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
73 // of YYSTYPE in the generated oct-parse.h file. |
19775
a941a65c7cb8
handle bison syntax changes in TeX parser
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
74 |
a941a65c7cb8
handle bison syntax changes in TeX parser
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
75 #if defined (OCTAVE_TEX_STYPE_IS_DECLARED) && ! defined YYSTYPE |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21332
diff
changeset
|
76 # define YYSTYPE OCTAVE_TEX_STYPE |
19775
a941a65c7cb8
handle bison syntax changes in TeX parser
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
77 #endif |
a941a65c7cb8
handle bison syntax changes in TeX parser
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
78 |
21910
4d723ba06b4a
provide wrappers for some unistd.h functions
John W. Eaton <jwe@octave.org>
parents:
21772
diff
changeset
|
79 #define YY_NO_UNISTD_H 1 |
4d723ba06b4a
provide wrappers for some unistd.h functions
John W. Eaton <jwe@octave.org>
parents:
21772
diff
changeset
|
80 #define isatty octave_isatty_wrapper |
21995
66f3c4e81721
Rename bison/flex internal symbol names to silence "one definition rule" warning
Robert Jenssen <robertjenssen@ozemail.com.au>
parents:
21987
diff
changeset
|
81 #define yyguts_t octave_tex_yyguts_t |
21910
4d723ba06b4a
provide wrappers for some unistd.h functions
John W. Eaton <jwe@octave.org>
parents:
21772
diff
changeset
|
82 |
17634
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
83 %} |
bdbf91c0a1a4
avoid warnings about symbols without gnulib:: namespace tag
John W. Eaton <jwe@octave.org>
parents:
17327
diff
changeset
|
84 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
85 D [0-9] |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
86 NUM (({D}+\.?{D}*)|(\.{D}+)) |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
87 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
88 %% |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
89 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
90 %{ |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
91 // Numeric values. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
92 %} |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
93 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
94 <NUM_MODE>{NUM} { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
95 int nread = sscanf (yytext, "%lf", &(yylval->num)); |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
96 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
97 if (nread == 1) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
98 return NUM; |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
99 } |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
100 |
21772
72bf7fbc8210
Allow comma in \color[rgb] specification for text objects (bug #48003).
Rik <rik@octave.org>
parents:
21724
diff
changeset
|
101 <NUM_MODE>[, \t]+ { } |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
102 |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
103 <NUM_MODE>"\n"|. { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
104 yyless (0); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
105 BEGIN (INITIAL); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
106 } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
107 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
108 <MAYBE_NUM_MODE>"{" { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
109 BEGIN (NUM_MODE); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
110 return START; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
111 } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
112 |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
113 <MAYBE_NUM_MODE>"\n"|. { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
114 yyless (0); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
115 BEGIN (INITIAL); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
116 } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
117 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
118 %{ |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
119 // Simple commands. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
120 %} |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
121 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
122 "\\bf" { return BF; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
123 "\\it" { return IT; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
124 "\\sl" { return SL; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
125 "\\rm" { return RM; } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
126 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
127 %{ |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
128 // Generic font commands. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
129 %} |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
130 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
131 "\\fontname" { return FONTNAME; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
132 |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
133 "\\fontsize" { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
134 BEGIN (MAYBE_NUM_MODE); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
135 return FONTSIZE; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
136 } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
137 |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
138 "\\color[rgb]" { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
139 BEGIN (MAYBE_NUM_MODE); |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
140 return COLOR_RGB; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
141 } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
142 |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
143 "\\color" { return COLOR; } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
144 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
145 %{ |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
146 // Special characters. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
147 %} |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
148 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
149 "{" { return START; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
150 "}" { return END; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
151 "^" { return SUPER; } |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
152 "_" { return SUB; } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
153 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
154 "\\{" | |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
155 "\\}" | |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
156 "\\^" | |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
157 "\\_" | |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
158 "\\\\" { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
159 yylval->ch = yytext[1]; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
160 return CH; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
161 } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
162 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
163 %{ |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
164 // Symbols. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
165 %} |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
166 |
17327
fe6518a1d87c
Move TeX symbol decoding into the lexer (bug #39831).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17320
diff
changeset
|
167 @SYMBOL_RULES@ |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
168 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
169 %{ |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
170 // Generic character. |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
171 %} |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
172 |
20541
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
173 "\n" | |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
174 . { |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
175 yylval->ch = yytext[0]; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
176 return CH; |
e3c0fee87493
style fixes for tex lexer and parser
John W. Eaton <jwe@octave.org>
parents:
19784
diff
changeset
|
177 } |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
178 |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
179 %{ |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
180 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
181 // Also disable this warning for functions that is generated by flex |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
182 // after the pattern rules. |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
183 #pragma GCC diagnostic ignored "-Wunused-parameter" |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
184 #endif |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
185 %} |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
186 |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
187 %% |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
188 |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
189 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
190 // Restore prevailing warning state for remainder of the file. |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
191 #pragma GCC diagnostic pop |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
192 #endif |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
parents:
20541
diff
changeset
|
193 |
19784
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
194 void * |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
195 octave_tex_alloc (yy_size_t size, yyscan_t) |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
196 { |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
197 return malloc (size); |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
198 } |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
199 |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
200 void * |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
201 octave_tex_realloc (void *ptr, yy_size_t size, yyscan_t) |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
202 { |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
203 return realloc (ptr, size); |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
204 } |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
205 |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
206 void |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
207 octave_tex_free (void *ptr, yyscan_t) |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
208 { |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
209 free (ptr); |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
210 } |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
19775
diff
changeset
|
211 |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
212 bool |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
213 text_parser_tex::init_lexer (const std::string& s) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
214 { |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
215 if (! scanner) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
216 octave_tex_lex_init (&scanner); |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
217 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
218 if (scanner) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
219 { |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
220 if (buffer_state) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
221 { |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
222 octave_tex__delete_buffer (reinterpret_cast<YY_BUFFER_STATE> (buffer_state), |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
223 scanner); |
23796
4f12819a634f
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
224 buffer_state = nullptr; |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
225 } |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
226 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
227 buffer_state = octave_tex__scan_bytes (s.data (), s.length (), scanner); |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
228 } |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
229 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
230 return (scanner && buffer_state); |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
231 } |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
232 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
233 void |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
234 text_parser_tex::destroy_lexer (void) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
235 { |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
236 if (buffer_state) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
237 { |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
238 octave_tex__delete_buffer (reinterpret_cast<YY_BUFFER_STATE> (buffer_state), |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
239 scanner); |
23796
4f12819a634f
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
240 buffer_state = nullptr; |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
241 } |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
242 |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
243 if (scanner) |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
244 { |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
245 octave_tex_lex_destroy (scanner); |
23796
4f12819a634f
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
246 scanner = nullptr; |
17269
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
247 } |
5b088598df1d
Add simple TeX parser based on flex/bison.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
248 } |