%{ %} #include def.tin #include int.tin #include string.tin %start command %% command : height | height {global ds9; if {!$ds9(init)} {YYERROR} else {yyclearin; YYACCEPT}} STRING_ ; height : INT_ {ProcessCmdSet canvas height $1 UpdateView} ; %% proc height::yyerror {msg} { variable yycnt variable yy_current_buffer variable index_ ParserError $msg $yycnt $yy_current_buffer $index_ }