src/HOL/SPARK/Tools/fdl_lexer.ML
changeset 48911 5debc3e4fa81
parent 47297 de84dd9a9dd4
child 48992 0518bf89c777
equal deleted inserted replaced
48910:1c8c15c30356 48911:5debc3e4fa81
   189       |> implode) ^ dots
   189       |> implode) ^ dots
   190   end;
   190   end;
   191 
   191 
   192 fun !!! text scan =
   192 fun !!! text scan =
   193   let
   193   let
   194     fun get_pos [] = " (past end-of-text!)"
   194     fun get_pos [] = " (end-of-input)"
   195       | get_pos ((_, pos) :: _) = Position.str_of pos;
   195       | get_pos ((_, pos) :: _) = Position.str_of pos;
   196 
   196 
   197     fun err (syms, msg) = fn () =>
   197     fun err (syms, msg) = fn () =>
   198       text ^ get_pos syms ^ " at " ^ beginning 10 (map symbol syms) ^
   198       text ^ get_pos syms ^ " at " ^ beginning 10 (map symbol syms) ^
   199         (case msg of NONE => "" | SOME m => "\n" ^ m ());
   199         (case msg of NONE => "" | SOME m => "\n" ^ m ());