X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=options.ml;h=fdfc867eee81e50f6310c8dd8c752e7631985b22;hb=3445f7f08f15fe41e0d1bfaaabaacf60cdc10b61;hp=43f665fed103fc02da693d371237e6265a8e13dc;hpb=6131f2f9e380543197c9fa253325bbc84749e6e8;p=SXSI%2Fxpathcomp.git

diff --git a/options.ml b/options.ml
index 43f665f..fdfc867 100644
--- a/options.ml
+++ b/options.ml
@@ -9,6 +9,7 @@ let output_file = ref None
 let save_file = ref ""
 let count_only = ref false
 let time = ref false
+let backward = ref false
 
 let usage_msg = Printf.sprintf "%s <input.{xml|srx}> 'query' [output]" Sys.argv.(0)
 
@@ -28,6 +29,7 @@ let spec = [ "-c", Arg.Set(count_only), "counting only (don't materialize the re
 	     "-i", Arg.Set(index_empty_texts), "index empty texts [default=false]";
 	     "-d", Arg.Set(disable_text_collection), "disable text collection[default=false]"; 
 	     "-s", Arg.Set_string(save_file), "save the intermediate representation into file.srx"; 
+	     "-b", Arg.Set(backward), "real bottom up run"; 
 	   ]
 
 let parse_cmdline() = 
@@ -39,3 +41,4 @@ let parse_cmdline() =
       
 	     
 
+