Warnings: deal with all the deprecation warnings

Changes are:

- String.capitalize -> String.capitalize_ascii
- String.uppercase  -> String.uppercase_ascii
- String.lowercase  -> String.lowercase_ascii

Basically just making the change that the warning message suggested.

6 files changed, 8 insertions, 8 deletions

diff --git a/src/latex.ml b/src/latex.ml
index 0520d074..39db43db 100644
--- a/src/latex.ml
+++ b/src/latex.ml
@@ -126,7 +126,7 @@ let rec latex_command ?prefix:(prefix="") ?label:(label=None) dir cmd no_loc ((l
     | Some l -> Printf.sprintf "\\label{%s}" l
   in
   let cmd = !opt_prefix_latex ^ prefix ^ cmd in
-  let lcmd = String.lowercase cmd in  (* lowercase to avoid file names differing only by case *)
+  let lcmd = String.lowercase_ascii cmd in  (* lowercase to avoid file names differing only by case *)
   if StringSet.mem lcmd !commands then
     latex_command ~label:label dir (cmd ^ "v") no_loc annot
   else
diff --git a/src/lem_interp/printing_functions.ml b/src/lem_interp/printing_functions.ml
index a5cb96ff..c17e879f 100644
--- a/src/lem_interp/printing_functions.ml
+++ b/src/lem_interp/printing_functions.ml
@@ -481,7 +481,7 @@ let rec instr_parms_to_string ps =
 let pad n s = if String.length s < n then s ^ String.make (n-String.length s) ' ' else s
 
 let instruction_to_string (name, parms) = 
-  ((*pad 5*) (String.lowercase name)) ^ " " ^ instr_parms_to_string parms 
+  ((*pad 5*) (String.lowercase_ascii name)) ^ " " ^ instr_parms_to_string parms 
 
 let print_backtrace_compact printer (IState(stack,_)) =
   List.iter (fun (e,(env,mem)) -> print_exp printer env mem true e) (compact_stack stack)
diff --git a/src/ocaml_backend.ml b/src/ocaml_backend.ml
index 236c4222..3e4dc650 100644
--- a/src/ocaml_backend.ml
+++ b/src/ocaml_backend.ml
@@ -673,7 +673,7 @@ let ocaml_main spec sail_dir =
     with
     | End_of_file -> close_in chan; lines := List.rev !lines
   end;
-  (("open " ^ String.capitalize spec ^ ";;\n\n") :: !lines
+  (("open " ^ String.capitalize_ascii spec ^ ";;\n\n") :: !lines
    @ [ "  zinitializze_registers ();";
        if !opt_trace_ocaml then "  Sail_lib.opt_trace := true;" else "  ();";
        "  Printexc.record_backtrace true;";
diff --git a/src/pretty_print_lem.ml b/src/pretty_print_lem.ml
index 99ab2b54..a4d446d3 100644
--- a/src/pretty_print_lem.ml
+++ b/src/pretty_print_lem.ml
@@ -128,7 +128,7 @@ let doc_id_lem_ctor (Id_aux(i,_)) =
   | Id("nat") -> string "integer"
   | Id("Some") -> string "Just"
   | Id("None") -> string "Nothing"
-  | Id i -> string (fix_id false (String.capitalize i))
+  | Id i -> string (fix_id false (String.capitalize_ascii i))
   | DeIid x -> string (Util.zencode_string ("op " ^ x))
 
 let deinfix = function
diff --git a/src/process_file.ml b/src/process_file.ml
index 958720ea..5fdd3d24 100644
--- a/src/process_file.ml
+++ b/src/process_file.ml
@@ -271,14 +271,14 @@ let output_lem filename libs defs =
       operators_module
     ] @ monad_modules
   in
-  let isa_thy_name = String.capitalize filename ^ "_lemmas" in
+  let isa_thy_name = String.capitalize_ascii filename ^ "_lemmas" in
   let isa_lemmas =
     separate hardline [
       string ("theory " ^ isa_thy_name);
       string  "  imports";
       string  "    Sail.Sail2_values_lemmas";
       string  "    Sail.Sail2_state_lemmas";
-      string ("    " ^ String.capitalize filename);
+      string ("    " ^ String.capitalize_ascii filename);
       string  "begin";
       string  "";
       State.generate_isa_lemmas !Pretty_print_lem.opt_mwords defs;
@@ -292,7 +292,7 @@ let output_lem filename libs defs =
     open_output_with_check_unformatted (filename ^ ".lem") in
   (Pretty_print.pp_defs_lem
      (ot, base_imports)
-     (o, base_imports @ (String.capitalize types_module :: libs))
+     (o, base_imports @ (String.capitalize_ascii types_module :: libs))
      defs generated_line);
   close_output_with_check ext_ot;
   close_output_with_check ext_o;
diff --git a/src/rewriter.ml b/src/rewriter.ml
index 0f8bb905..1fb89dee 100644
--- a/src/rewriter.ml
+++ b/src/rewriter.ml
@@ -266,7 +266,7 @@ let vector_string_to_bit_list l lit =
     | _ -> raise (Reporting_basic.err_unreachable l "hexchar_to_binlist given unrecognized character") in
 
   let s_bin = match lit with
-    | L_hex s_hex -> List.flatten (List.map hexchar_to_binlist (explode (String.uppercase s_hex)))
+    | L_hex s_hex -> List.flatten (List.map hexchar_to_binlist (explode (String.uppercase_ascii s_hex)))
     | L_bin s_bin -> explode s_bin
     | _ -> raise (Reporting_basic.err_unreachable l "s_bin given non vector literal") in