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% Copyright 2012-2014, Alexander Shibakov
% This file is part of SPLinT
%
% SPLinT 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.
%
% SPLinT 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 SPLinT. If not, see <http://www.gnu.org/licenses/>.
% token equivalence table does not exist, switch to a bootstrap parser
\ifx\tokendeffile\UNDEFINED
\else
\immediate\openout\tokendefs=\tokendeffile
\fi
\genericparser
name: main,
ptables: \bstrapparser,
ltables: cweb/ltab.tex,
tokens: {},
asetup: \bootstraplexersetup,
dsetup: \newlexerstateextra,
rsetup: \noexpand\savefullstateextra,
optimization: \optimizeall;%
\tomainparser % this saves the current state
\input yytexlex.sty
\let\unparse\eatone
\expandafter\def\csname parserstack[b]\endcsname#1#2{%
\parsevb{#1}% Stage two, start the parsing
\ifyyparsefail % do nothing if parsing failed
\yybreak{}%
\else % Stage three, process the parsed table
\yybreak{\initbootstrap\the\table}%
\yycontinue
}
\expandafter\def\csname parserstack[]\endcsname#1#2{%
\parsevb{#1}% Stage two, start the parsing
\ifyyparsefail % do nothing if parsing failed
\yybreak{}%
\else % Stage three, process the parsed table
\yybreak{\initbootstrap\the\table}%
\yycontinue
}
% stage two macros: parsing
\def\parsevb#1{%
%\ifchecktable {\toks0{#1}\errmessage{table before parsing: \the\toks0}}\fi
\tomainparser % this is not currently required since there are no namespace switching macros
% in the \TeX\ portion of the text; it is left here in case such macros are used in the future
\doparse{#1}%
}
\long\def\beginprod#1\endprod{%
\endgroup
}
\let\begincprod\beginprod
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