1Usage: YACC [options] filename 2 3Options: 4 -b file_prefix set filename prefix (default "y.") 5 -B create a backtracking parser 6 -d write definitions (.tab.h) 7 -i write interface (y.tab.i) 8 -g write a graphical description 9 -l suppress #line directives 10 -L enable position processing, e.g., "%locations" 11 -o output_file (default ".tab.c") 12 -p symbol_prefix set symbol prefix (default "yy") 13 -P create a reentrant parser, e.g., "%pure-parser" 14 -r produce separate code and table files (y.code.c) 15 -s suppress #define's for quoted names in %token lines 16 -t add debugging support 17 -v write description (y.output) 18 -V show version information and exit 19