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|
(* Js_of_ocaml tests
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2022 Hugo Heuzard, Jérôme Vouillon
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
(* https://github.com/ocsigen/js_of_ocaml/issues/1320 *)
let%expect_test _ =
let prog =
{|
let app f x = try f x with e -> raise e
let myfun () =
for i = 1 to 4 do
let rec f x = if x = 0 then 1 else i * app g (x - 1) and g x = app f x in
Printf.eprintf "%d\n" (g i)
done
let () = myfun ()
|}
in
Util.compile_and_run prog;
[%expect {|
1
4
27
256 |}];
let program = Util.compile_and_parse prog in
Util.print_fun_decl program (Some "myfun");
[%expect
{|
function myfun(param){
var i = 1;
for(;;){
let i$0 = i;
var
f =
function(x){
return 0 === x ? 1 : runtime.caml_mul(i$0, app(g$0, x - 1 | 0));
},
g = function(x){return app(f$0, x);};
let f$0 = f, g$0 = g;
var _c_ = app(f, i);
caml_call2(Stdlib_Printf[3], _a_, _c_);
var _b_ = i + 1 | 0;
if(4 === i) return 0;
i = _b_;
}
}
//end |}]
|
