Moved all problems in problems folder. Last ones in "w"

[fireball-separation.git] / ocaml / parser.ml

diff --git a/ocaml/parser.ml b/ocaml/parser.ml
index 61dbf832d6d75c95123eef63f71aeafb2bf5e82d..e5a040fd34b15f3f3cbd4569adc5c07c45b2ce62 100644 (file)
--- a/ocaml/parser.ml
+++ b/ocaml/parser.ml
@@ -171,26 +171,39 @@ let _ = prerr_endline (">>>" ^ string_of_term (parse "(\\x. x y z z1 k) z1 z j")
 ;;\r
 \r
 let problem_of_string s =\r
+prerr_endline (s);\r
  let lines = Str.split (Str.regexp "[\n\r\x0c\t;]+") s in\r
+ (* let lines = List.map String.trim lines in *)\r
  let lines = List.filter ((<>) "") lines in\r
  prerr_endline("number of lines" ^ string_of_int (List.length lines));\r
- let aux (name, div, conv, ps) line =\r
+ let aux (last, name, div, conv, ps) line =\r
   let chr = String.sub line 0 1 in\r
-  let line = String.sub line 1 (String.length line - 1) in\r
-  if chr = ":"\r
-   then line, div, conv, ps\r
-  else if chr = "D"\r
-   then name, line, conv, ps\r
-  else if chr = "C"\r
-   then name, div, line::conv, ps\r
-  else if chr = "N"\r
-   then name, div, conv, line::ps\r
-  else raise (ParsingError ("Unexpected at beginning of line: " ^ chr)) in\r
- let name, div, conv, ps = List.fold_left aux ("?", "", [], []) lines in\r
+  let line = String.trim (String.sub line 1 (String.length line - 1)) in\r
+  if line = "" then chr, name, div, conv, ps else\r
+  let rec aux' chr line =\r
+   if chr = "#"\r
+    then chr, name, div, conv, ps\r
+   else if chr = "$"\r
+    then "#", line, div, conv, ps\r
+   else if chr = "D"\r
+    then chr, name, line, conv, ps\r
+   else if chr = "C"\r
+    then chr, name, div, line::conv, ps\r
+   else if chr = "N"\r
+    then chr, name, div, conv, line::ps\r
+   else if chr = " "\r
+    then aux' last line\r
+   else raise (ParsingError\r
+     ("Unexpected at beginning of problem: `" ^ chr ^ "` " ^ line)) in\r
+  aux' chr line in\r
+ let _, name, div, conv, ps = List.fold_left aux ("#", "no label", "", [], []) lines in\r
  let div_provided = div <> "" in\r
  let div = if div_provided then div else "BOT" in\r
  let strs = [div] @ ps @ conv in\r
 \r
+ if strs = ["BOT"]\r
+  then raise (ParsingError "empty problem");\r
+\r
  (* parse' *)\r
  let (tms, free) = parse_many strs in\r
  (* Replace pacmans and bottoms *)\r
@@ -235,8 +248,22 @@ let conv = Util.filter_map (
 let ps = List.map (\r
  function\r
   | #i_n_var as y -> y\r
-  | _ -> raise (ParsingError "A term in num is not i_n_var")\r
+  | _ as y -> raise (ParsingError ("A term in num is not i_n_var" ^ Num.string_of_nf y))\r
  ) ps in\r
-\r
  name, div, conv, ps, free\r
 ;;\r
+\r
+\r
+let from_file path =\r
+ let lines = ref [""] in\r
+ let chan = open_in path in\r
+ let _ = try\r
+  while true; do\r
+    lines := input_line chan :: !lines\r
+  done\r
+ with End_of_file ->\r
+  close_in chan in\r
+ let txt = String.concat "\n" (List.rev !lines) in\r
+ let problems = Str.split (Str.regexp "[\n\r]+\\$") txt in\r
+ List.map problem_of_string (List.tl (List.map ((^) "$") problems))\r
+;;\r