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(*
This file is part of licht.
licht is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
licht 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with licht. If not, see <http://www.gnu.org/licenses/>.
*)
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 = 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: t 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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