: NODE *rb_compile_file(const char *f, VALUE file, int start)
    Ruby  IO ֥ file ʸɤ߹ߡ
     Ruby ץȤƹʸڤ˥ѥ뤷ޤ
    ʸڤ ruby_eval_tree  ruby_eval_tree_begin 
    ǼƱ ruby_eval_tree ֤ޤ
    ޤѥ뤹Ȥ˥ե f  line ܤ򥳥ѥ
    ƤȲꤷޤ

