256 chars max ==> 1024 chars max (because of Coq)

[helm.git] / helm / ocaml / cic_notation / test_parser.ml

diff --git a/helm/ocaml/cic_notation/test_parser.ml b/helm/ocaml/cic_notation/test_parser.ml
index 21315c77fbd9d8b9febeaef5a32d7617dc5dbe4c..6cbb0ef2d5d8fd0b7f449331bd3faeed52c1c1d8 100644 (file)
--- a/helm/ocaml/cic_notation/test_parser.ml
+++ b/helm/ocaml/cic_notation/test_parser.ml
@@ -25,25 +25,80 @@
 
 open Printf
 
+(* cut and past from CicAst.loc_of_floc *)
+let loc_of_floc = function
+  | { Lexing.pos_cnum = loc_begin }, { Lexing.pos_cnum = loc_end } ->
+      (loc_begin, loc_end)
+
 let _ =
-    let ic = stdin in
-    try
-      while true do
-        let line = input_line ic in
-        let istream = Stream.of_string line in
-        try
-          let _ = CicNotationParser.parse_level1_pattern istream in
-          print_endline "ok"
-        with
-        | CicNotationParser.Parse_error (floc, msg) ->
-            eprintf "parse error: %s\n" msg; flush stderr
-(*            let (x, y) = CicAst.loc_of_floc floc in*)
-(*            let before = String.sub line 0 x in*)
-(*            let error = String.sub line x (y - x) in*)
-(*            let after = String.sub line y (String.length line - y) in*)
-(*            eprintf "%s\e[01;31m%s\e[00m%s\n" before error after;*)
-(*            prerr_endline (sprintf "at character %d-%d: %s" x y msg)*)
-      done
-    with End_of_file ->
-      close_in ic
+  let module P = CicNotationPt in
+  let level = ref ~-1 in
+  let arg_spec = [ "-level", Arg.Set_int level, "set the notation level" ] in
+  let usage = "test_parser -level { 1 | 2 | 3 }" in
+  Arg.parse arg_spec (fun _ -> raise (Arg.Bad usage)) usage;
+  if !level = 2 then begin
+    let id =
+      CicNotationParser.extend ~precedence:50 ~associativity:Gramext.LeftA
+        (P.Layout (P.Box (P.H,
+          [
+            P.Magic
+              (P.List0
+                (P.Layout (P.Box (P.H,
+                  [ P.Literal (`Symbol "|");
+                    P.Variable (P.TermVar "ugo");
+                    P.Magic (P.Opt (P.Layout (P.Box (P.H,
+                      [ P.Literal (`Symbol ",");
+                        P.Variable (P.TermVar "pino")]))));
+                    P.Literal (`Symbol "|");
+                  ])),
+                  Some (`Symbol ";")));
+(*             P.Literal (`Symbol "+");
+            P.Magic (P.Opt (P.Layout (P.Box (P.H,
+              [
+                P.Variable (P.TermVar "ugo");
+                P.Literal (`Symbol "+");
+                P.Variable (P.TermVar "pino")
+              ])))); *)
+(*           P.Variable (P.TermVar "a");
+            P.Literal (`Symbol "+");
+            P.Variable (P.TermVar "b"); *)
+          ])))
+        (fun env _ ->
+          prerr_endline "reducing rule" ;
+          prerr_endline (sprintf "env = [ %s ]" (CicNotationParser.pp_env env));
+          P.Sort `Prop)
+    in
+    CicNotationParser.print_l2_pattern ()
+  end;
+  let parse_fun s =
+    match !level with
+    | 1 -> ignore (CicNotationParser.parse_syntax_pattern s)
+    | 2 ->
+        let ast = CicNotationParser.parse_ast_pattern s in
+        if ast = P.Sort `Prop then
+          prerr_endline "eureka (ma sono cazzi)"
+        else
+          prerr_endline ":-("
+    | 3 -> ignore (CicNotationParser.parse_interpretation s)
+    | _ -> Arg.usage arg_spec usage; exit 1
+  in
+  let ic = stdin in
+  try
+    printf "Parsing notation level %d\n" !level; flush stdout;
+    while true do
+      let line = input_line ic in
+      let istream = Stream.of_string line in
+      try
+        parse_fun istream;
+        print_endline ">"
+      with CicNotationParser.Parse_error (floc, msg) ->
+        let (x, y) = loc_of_floc floc in
+        let before = String.sub line 0 x in
+        let error = String.sub line x (y - x) in
+        let after = String.sub line y (String.length line - y) in
+        eprintf "%s\e[01;31m%s\e[00m%s\n" before error after;
+        prerr_endline (sprintf "at character %d-%d: %s" x y msg)
+    done
+  with End_of_file ->
+    close_in ic