X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/62ab6972e8338613d09562166b4b4fa5f48693a4..37c82725c8235e260f68f14308370be2d75f56dd:/doc/bison.1?ds=sidebyside diff --git a/doc/bison.1 b/doc/bison.1 index 0357819c..927a128f 100644 --- a/doc/bison.1 +++ b/doc/bison.1 @@ -10,7 +10,11 @@ bison \- GNU Project parser generator (yacc replacement) ] [ .B \-d ] [ -.B \-\-defines +.BI \-\-defines= defines-file +] [ +.B \-g +] [ +.BI \-\-graph= graph-file ] [ .B \-k ] [ @@ -71,13 +75,22 @@ Unlike .IR yacc , the generated files do not have fixed names, but instead use the prefix of the input file. +Moreover, if you need to put +.IR C++ +code in the input file, you can end his name by a C++-like extension +(.ypp or .y++), then bison will follow your extension to name the +output file (.cpp or .c++). For instance, a grammar description file named -.B parse.y +.B parse.yxx would produce the generated parser in a file named -.BR parse.tab.c , +.BR parse.tab.cxx , instead of .IR yacc 's -.BR y.tab.c . +.BR y.tab.c +or old +.IR Bison +versions +.BR parse.tab.c . .PP This description of the options that can be given to .I bison @@ -114,8 +127,6 @@ chosen as if the input file were named .B \-d .br .ns -.TP -.B \-\-defines Write an extra output file containing macro definitions for the token type names defined in the grammar and the semantic value type .BR YYSTYPE , @@ -136,6 +147,32 @@ in a separate source file, because needs to be able to refer to token type codes and the variable .BR yylval . .TP +.BI \-\-defines= defines-file +The behaviour of +.BI \-\-defines +is the same than +.BI \-d +option. +The only difference is that it has an optionnal argument which is +the name of the output filename. +.TP +.BI \-g +.br +.ns +Output a VCG definition of the LALR(1) grammar automaton computed by +Bison. If the grammar file is +.BR foo.y +, the VCG output file will be +.BR foo.vcg . +.TP +.BI \-\-graph= graph-file +The behaviour of +.BI \-\-graph +is the same than +.BI \-g +option. The only difference is that it has an optionnal argument which +is the name of the output graph filename. +.TP .B \-k .br .ns @@ -306,9 +343,9 @@ bison \-y $* .sp .RE .SH FILES -/usr/local/lib/bison.simple simple parser +/usr/local/share/bison/bison.simple simple parser .br -/usr/local/lib/bison.hairy complicated parser +/usr/local/share/bison/bison.hairy complicated parser .SH "ENVIRONMENT VARIABLES" .TP .SM BISON_SIMPLE