Mercurial > octave-nkf
view libinterp/corefcn/oct-tex-parser.in.yy @ 20587:f90c8372b7ba
eliminate many more simple uses of error_state
* Cell.cc, __ichol__.cc, __ilu__.cc, balance.cc, bsxfun.cc, colloc.cc,
det.cc, dlmread.cc, dynamic-ld.cc, eig.cc, fft.cc, fft2.cc, fftn.cc,
gcd.cc, getgrent.cc, getpwent.cc, givens.cc, hess.cc, input.cc,
levenshtein.cc, load-path.cc, lookup.cc, ls-mat-ascii.cc, ls-mat4.cc,
lsode.cc, lu.cc, max.cc, md5sum.cc, mex.cc, pager.cc, pinv.cc,
pr-output.cc, qz.cc, schur.cc, sparse.cc, sqrtm.cc, str2double.cc,
strfns.cc, sub2ind.cc, sysdep.cc, time.cc, toplev.cc, tril.cc,
tsearch.cc, typecast.cc, __init_gnuplot__.cc, __magick_read__.cc,
__osmesa_print__.cc, amd.cc, audiodevinfo.cc, dmperm.cc, fftw.cc,
symrcm.cc, ov-base-diag.cc, ov-base-sparse.cc, ov-base.cc,
ov-bool-sparse.cc, ov-builtin.cc, ov-complex.cc, ov-cx-diag.cc,
ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc,
ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc,
ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-lazy-idx.cc, ov-mex-fcn.cc,
ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-scalar.cc, ov-str-mat.cc, op-bm-b.cc, op-bm-bm.cc, op-sbm-b.cc,
op-sbm-bm.cc, op-str-m.cc, op-str-s.cc, oct-parse.in.yy, pt-cbinop.cc,
pt-colon.cc, pt-decl.cc, pt-exp.cc, pt-id.cc, pt-misc.cc,
pt-select.cc, pt-unop.cc: Eliminate simple uses of error_state.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 05 Oct 2015 19:29:36 -0400 |
parents | e3c0fee87493 |
children |
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/* Copyright (C) 2013-2015 Michael Goffioul This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ %{ #define YYDEBUG 1 #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "txt-eng.h" #include "oct-tex-parser.h" extern int octave_tex_lex (YYSTYPE *, void *); static void yyerror (text_parser_tex& parser, const char *s); #if defined (GNULIB_NAMESPACE) // Calls to the following functions appear in the generated output // from Bison without the namespace tag. Redefine them so we will use // them via the gnulib namespace. #define fclose GNULIB_NAMESPACE::fclose #define fprintf GNULIB_NAMESPACE::fprintf #define malloc GNULIB_NAMESPACE::malloc #endif #define scanner parser.get_scanner () %} %API_PREFIX_DECL% %define api.pure %parse-param { text_parser_tex& parser } %lex-param { void *scanner } %code requires {#include <string>} %union { // Leaf symbols produced by the scanner. char ch; double num; int sym; // Used for string buffering. std::string* str; // Objects produced by the parser. text_element* e_base; text_element_list* e_list; } %token BF IT SL RM %token FONTNAME FONTSIZE %token COLOR COLOR_RGB %token START END SUPER SUB %token<ch> CH %token<num> NUM %token<sym> SYM %type<str> simple_string %type<e_base> string_element symbol_element %type<e_base> superscript_element subscript_element combined_script_element %type<e_base> font_modifier_element fontname_element fontsize_element %type<e_base> color_element %type<e_list> string_element_list scoped_string_element_list // Make sure there's no memory leak on parse error. %destructor { } <ch> <num> <sym> %destructor { delete $$; } <*> %nonassoc SCRIPT %nonassoc SUB SUPER %nonassoc STR %nonassoc CH %start string %% simple_string : CH { $$ = new std::string (1, $1); } | simple_string CH { $1->append (1, $2); $$ = $1; } ; symbol_element : SYM { $$ = new text_element_symbol ($1); } ; font_modifier_element : BF { $$ = new text_element_fontstyle (text_element_fontstyle::bold); } | IT { $$ = new text_element_fontstyle (text_element_fontstyle::italic); } | SL { $$ = new text_element_fontstyle (text_element_fontstyle::oblique); } | RM { $$ = new text_element_fontstyle (text_element_fontstyle::normal); } ; fontsize_element : FONTSIZE START NUM END { $$ = new text_element_fontsize ($3); } ; fontname_element : FONTNAME START simple_string END { $$ = new text_element_fontname (*$3); delete $3; } ; color_element : COLOR START simple_string END { $$ = new text_element_color (*$3); delete $3; } | COLOR_RGB START NUM NUM NUM END { $$ = new text_element_color ($3, $4, $5); } ; string_element : simple_string %prec STR { $$ = new text_element_string (*$1); delete $1; } | scoped_string_element_list { $$ = $1; } | symbol_element | font_modifier_element | fontsize_element | fontname_element | color_element | superscript_element %prec SCRIPT | subscript_element %prec SCRIPT | combined_script_element ; superscript_element : SUPER CH { $$ = new text_element_superscript ($2); } | SUPER scoped_string_element_list { $$ = new text_element_superscript ($2); } | SUPER symbol_element { $$ = new text_element_superscript ($2); } ; subscript_element : SUB CH { $$ = new text_element_subscript ($2); } | SUB scoped_string_element_list { $$ = new text_element_subscript ($2); } | SUB symbol_element { $$ = new text_element_subscript ($2); } ; combined_script_element : subscript_element superscript_element { $$ = new text_element_combined ($1, $2); } | superscript_element subscript_element { $$ = new text_element_combined ($1, $2); } ; string_element_list : string_element { $$ = new text_element_list ($1); } | string_element_list string_element { $1->push_back ($2); $$ = $1; } ; scoped_string_element_list : START string_element_list END { $$ = $2; } | START END { $$ = new text_element_list (); } ; string : // empty { parser.set_parse_result (new text_element_string ("")); } | string_element_list { parser.set_parse_result ($1); } ; %% text_element* text_parser_tex::parse (const std::string& s) { octave_tex_debug = 0; if (init_lexer (s)) { result = 0; if (octave_tex_parse (*this) == 0) return result; } return new text_element_string (s); } static void yyerror (text_parser_tex&, const char *s) { fprintf (stderr, "TeX parse error: %s\n", s); }