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ruby--ruby/tool/ytab.sed

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#!/bin/sed -f
# This file is used when generating code for the Ruby parser.
/^int yydebug;/{
i\
#ifndef yydebug
a\
#endif
}
/^extern int yydebug;/{
i\
#ifndef yydebug
a\
#endif
}
/^yydestruct.*yymsg/,/#endif/{
/^yydestruct/{
/parser/!{
H
s/^/ruby_parser_&/
s/)$/, parser)/
/\*/s/parser)$/struct parser_params *&/
}
}
/^#endif/{
x
/yydestruct/{
i\
struct parser_params *parser;
a\
#define yydestruct(m, t, v) ruby_parser_yydestruct(m, t, v, parser)
}
x
}
}
/^yy_stack_print/{
/parser/!{
H
s/)$/, parser)/
/\*/s/parser)$/struct parser_params *&/
}
}
/yy_stack_print.*;/{
x
/yy_stack_print/{
x
s/\(yy_stack_print *\)(\(.*\));/\1(\2, parser);/
x
}
x
}
/^yy_reduce_print/,/^}/{
s/fprintf *(stderr,/YYFPRINTF (parser,/g
}
s/\( YYFPRINTF *(\)yyoutput,/\1parser,/
s/\( YYFPRINTF *(\)stderr,/\1parser,/
s/\( YYDPRINTF *((\)stderr,/\1parser,/
s/^\([ ]*\)\(yyerror[ ]*([ ]*parser,\)/\1parser_\2/
s!^ *extern char \*getenv();!/* & */!
s/^\(#.*\)".*\.tab\.c"/\1"parse.c"/
/^\(#.*\)".*\.y"/s:\\\\:/:g