X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=src%2Foptions.ml;fp=src%2Foptions.ml;h=10c763397e98b45ab1723236e712233f7f1f3491;hb=ddd48898c9d77270a46fa16b66bb8b291e0859d0;hp=07f8ffb69547e9d31f7eb0d3ee8d481632688974;hpb=813b239795aac1844eb233dab7f8f98d8dba845e;p=SXSI%2Fxpathcomp.git

diff --git a/src/options.ml b/src/options.ml
index 07f8ffb..10c7633 100644
--- a/src/options.ml
+++ b/src/options.ml
@@ -14,6 +14,10 @@ let no_jump = ref false
 let verbose = ref false
 let text_index_type = ref 0
 
+(* Only valid if compiled with -DTRACE *)
+let trace_file = ref "trace.dot"
+
+
 let set_index_type = function
   | "default" -> text_index_type := 0
   | "swcsa" -> text_index_type := 1
@@ -55,8 +59,15 @@ let spec = Arg.align
 			       set_index_type),
     " choose text index type";
 
-    "-v", Arg.Set(verbose), " verbose mode";
-  ]
+    "-v", Arg.Set(verbose), " verbose mode"; ] @
+IFDEF TRACE
+THEN [
+    "-trace-file", Arg.Set_string(trace_file),
+    "<trace_file> save the full trace in dot format in <trace_file>"
+     ]
+ELSE []
+END
+
 
 let parse_cmdline() =
   let _ = Arg.parse spec anon_fun usage_msg