From 793a50281653cda08562c6653ad5c62d2b47882d Mon Sep 17 00:00:00 2001
From: cqc <cqc@conrailqualitycontent.net>
Date: Thu, 15 Jul 2021 20:59:51 -0500
Subject: [PATCH] delorted!

---
 bin/main.ml | 104 ++++------------------------------------------------
 1 file changed, 7 insertions(+), 97 deletions(-)

diff --git a/bin/main.ml b/bin/main.ml
index 6cfc2df..ce120ce 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -8,18 +8,8 @@ module Topmain = struct
   open Ocaml_common
   open Ocaml_toplevel
   module Compenv = Ocaml_common.Compenv
-  let preload_objects = ref []
-  let first_nonexpanded_pos = ref 0 (* Position of the first non expanded argument *)
-  let current = ref (!Arg.current)
-  let argv = ref Sys.argv
-  let is_expanded pos = pos < !first_nonexpanded_pos (* Test whether the option is part of a responsefile *)
-  let expand_position pos len =
-    if pos < !first_nonexpanded_pos then
-      first_nonexpanded_pos := !first_nonexpanded_pos + len       (* Shift the position *)
-    else
-      (* New last position *)
-      first_nonexpanded_pos := pos + len + 2
 
+  let preload_objects = ref []
   let prepare ppf =
     Toploop.set_paths ();
     try
@@ -37,70 +27,8 @@ module Topmain = struct
         Format.fprintf ppf "Uncaught exception: %s\n" (Printexc.to_string x);
         false
 
-  (* If [name] is "", then the "file" is stdin treated as a script file. *)
-  let file_argument name =
-    let ppf = Format.err_formatter in
-    if Filename.check_suffix name ".cmo" || Filename.check_suffix name ".cma"
-    then preload_objects := name :: !preload_objects
-    else if is_expanded !current then begin
-        (* Script files are not allowed in expand options because otherwise the
-       check in override arguments may fail since the new argv can be larger
-       than the original argv.
-         *)
-        Printf.eprintf "For implementation reasons, the toplevel does not support\
-                        \ having script files (here %S) inside expanded arguments passed through the\
-                        \ -args{,0} command-line option.\n" name;
-        raise Exit
-      end else begin
-        let newargs = Array.sub !argv !current
-                        (Array.length !argv - !current)
-        in
-        Compenv.readenv ppf Before_link;
-        Compmisc.read_clflags_from_env ();
-        if prepare ppf && Toploop.run_script ppf name newargs
-        then raise Exit
-        else raise Not_found
-      end
-  
-  
-  let wrap_expand f s =
-    let start = !current in
-    let arr = f s in
-    expand_position start (Array.length arr);
-    arr
-  
-  module Options = Main_args.Make_bytetop_options (struct
-                       include Main_args.Default.Topmain
-                       let _stdin () = file_argument ""
-                       let _args = wrap_expand Arg.read_arg
-                       let _args0 = wrap_expand Arg.read_arg0
-                       let anonymous s = file_argument s
-                     end);;
-
-  let () =
-    let extra_paths =
-      match Sys.getenv "OCAMLTOP_INCLUDE_PATH" with
-      | exception Not_found -> []
-      | s -> Misc.split_path_contents s
-    in
-    Clflags.include_dirs := List.rev_append extra_paths !Clflags.include_dirs
-
-  let first_line = ref true
-  let read_interactive_input = ref (fun _ _ -> (0, false))
-  let refill_lexbuf buffer _ = 
-        let prompt =
-          if !Clflags.noprompt then ""
-          else if !first_line then "# "
-          else if !Clflags.nopromptcont then ""
-          else if Lexer.in_comment () then "* "
-          else "  "
-        in
-        first_line := false;
-        let (len, eof) = !read_interactive_input prompt buffer in
-        (*        F.epr "refill_lexbuf: %s %b \n" (Bytes.sub_string buffer 0 len) eof ; *)
-        if eof then Location.echo_eof ();
-        len
-
+  let read_interactive_input = ref (fun _ _ -> 0)
+  let refill_lexbuf buffer len = !read_interactive_input buffer len
   exception PPerror
   (* Phase buffer that stores the last toplevel phrase (see
    [Location.input_phrase_buffer]). *)
@@ -108,38 +36,20 @@ module Topmain = struct
   type evalenv = Format.formatter -> string -> unit
   let eval lb ppf (text:string) =
     F.epr "Topmain.eval: \n";
-    read_interactive_input := (
-      fun prompt buffer ->
-      F.epr "Topmain.eval: read_interactive_input \n";
-      F.text ppf prompt; F.flush ppf ();
-      let i = ref 0 in
-      try
-        (*if !i >= len then raise Exit; *)
-        Bytes.blit_string text 0 buffer 0 (String.length text);
-        Buffer.add_string phrase_buffer text; (* Also populate the phrase buffer as new characters are added. *)
-        i := (String.length text);
-        (*if c = '\n' then raise Exit;*)
-        (!i, true)
-      with
-      | End_of_file ->
-         (!i, true)
-      | Exit ->
-         (!i, false));
+    read_interactive_input := (fun buffer _ ->
+      Bytes.blit_string text 0 buffer 0 (String.length text);
+      Buffer.add_string phrase_buffer text; (* Also populate the phrase buffer as new characters are added. *)
+      String.length text);
     let snap = Btype.snapshot () in
     try
       Buffer.reset phrase_buffer; (* Reset the phrase buffer, then flush the lexing buffer. *)
       Lexing.flush_input lb;
-      F.epr "eval: 1. phrase_buffer=%s\n" (Buffer.contents phrase_buffer);
       Location.reset();
       Warnings.reset_fatal ();
-      first_line := true;
       let phr = try !Toploop.parse_toplevel_phrase lb with Exit -> raise PPerror in
-      F.epr "eval: 2. phrase_buffer=%s\n" (Buffer.contents phrase_buffer);
       let phr = Toploop.preprocess_phrase ppf phr  in
       Env.reset_cache_toplevel ();
-      F.epr "eval: 3. phrase_buffer=%s\n" (Buffer.contents phrase_buffer);
       ignore(Toploop.execute_phrase true ppf phr);
-      F.epr "eval: 4. phrase_buffer=%s\n" (Buffer.contents phrase_buffer)
     with
     | End_of_file -> F.epr "Topmain.eval End_of_file exception\n"; Btype.backtrack snap
     | Sys.Break -> F.epr "Topmain.eval Sys.Break exception\n"; F.pf ppf "Interrupted.@."; Btype.backtrack snap