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let u = UTF8.from_utf8string
module Show_Expr
(R:Sym_ref.SYM_REF with type 'a obs = (UTF8.Buffer.buffer -> unit))
(T:Sym_type.SYM_TYPE with type 'a obs = (UTF8.Buffer.buffer -> unit)) = struct
module T = T
module R = R
type t = unit
type repr = UTF8.Buffer.buffer -> unit
type obs = UTF8.Buffer.buffer -> unit
let observe buffer value = buffer value
let value v () buffer = T.observe v buffer
let ref r () buffer = R.observe r buffer
let call0 ident () buffer =
let utf8ident = UTF8.to_utf8string ident in
UTF8.Printf.bprintf buffer "%s()" utf8ident
let call1 ident p1 () buffer =
let utf8ident = UTF8.to_utf8string ident in
UTF8.Printf.bprintf buffer "%s(%a)"
utf8ident
(fun x b -> observe b x) p1
let call2 ident p1 p2 () buffer =
let utf8ident = UTF8.to_utf8string ident in
begin match utf8ident with
| "+" | "*" | "-" | "/" | "^" | "="
| "<>" | "<=" | ">=" | "<" | ">" ->
UTF8.Printf.bprintf buffer "%a%s%a"
(fun x b -> observe b x) p1
utf8ident
(fun x b -> observe b x) p2
| _ ->
UTF8.Printf.bprintf buffer "%s(%a;%a)"
utf8ident
(fun x b -> observe b x) p1
(fun x b -> observe b x) p2
end
let call3 ident p1 p2 p3 () buffer =
let utf8ident = UTF8.to_utf8string ident in
UTF8.Printf.bprintf buffer "%s(%a;%a;%a)"
utf8ident
(fun x b -> observe b x) p1
(fun x b -> observe b x) p2
(fun x b -> observe b x) p3
let callN ident (params: repr list) () buffer =
UTF8.Buffer.add_string buffer ident;
Tools.List.printb ~sep:(u";") (fun buffer value -> value buffer) buffer params
let expression e () buffer =
UTF8.Printf.bprintf buffer "(%a)"
(fun x b -> b x) e
end
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