*)
open Types;;
+open Basic;;
+open Symbol;;
open Value;;
open Signal;;
open Beam;;
exception NotYetDone;;
exception Dimension_error of string;;
+exception Process_error of string;;
class dimension : int * int -> dimension_type =
fun (init : int * int) ->
object (self)
- val dim_input = fst init
- val dim_output = snd init
+ val _input = fst init
+ val _output = snd init
- method input = dim_input
- method output = dim_output
+ method input = _input
+ method output = _output
method par : dimension_type -> dimension_type =
fun dim ->
else raise (Dimension_error "rec dimension not matched.")
end;;
+(*
class process : faust_exp -> process_type =
fun (exp_init : faust_exp) ->
object (self)
method to_string = "NotYetDone"
method virtual evaluate : beam_type -> beam_type
end;;
-
+*)
class proc_const : faust_exp -> process_type =
fun (exp_init : faust_exp) ->
object (self)
- val exp = exp_init
- val dim =
- method evaluate = fun b1 ->
-
- end;;
-
-
-class exp_ident =
- object
- inherit expression
-
+ val _exp = exp_init
+ val _dim = new dimension (0,1)
+ val _delay = 0
+ val _const =
+ match exp_init with
+ | Const b -> b
+ | _ -> raise (Process_error "const process constructor.")
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+ method private const = _const
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ if input#get = [||] then
+ new beam [| new signal 0 (fun t -> new value self#const)|]
+ else
+ raise (Process_error "proc_const accepts no input.")
end;;
-class exp_par =
- object
- inherit expression
-
- end;;
-
-
-class exp_split =
- object
- inherit expression
-
+class proc_ident : faust_exp -> process_type =
+ fun (exp_init : faust_exp) ->
+ object (self)
+ val _exp = exp_init
+ val _symbol =
+ match exp_init with
+ | Ident s -> s
+ | _ -> raise (Process_error "ident process constructor.")
+
+ val _dim = new dimension (dimension_of_symbol self#symb)
+ val _delay = delay_of_symbol _symbol
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+ method symb = _symbol
+
+ method private beam_of_ident : int -> signal_type -> beam_type =
+ fun (n : int) ->
+ fun (s, signal_type) ->
+ if n = (self#dim)#input then
+ new beam [|s|]
+ else raise (Process_error ("Ident " ^ string_of_symbol self#symb))
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ let n = Array.length input#get in
+ match self#symb with
+ | Pass -> self#beam_of_ident n input#get.(0)
+ | Stop -> if n = 1 then new beam [||]
+ else raise (Process_error "Ident !")
+ | Add -> self#beam_of_ident n ((input#get.(0))#add input#get.(1))
+ | Sub -> self#beam_of_ident n ((input#get.(0))#sub input#get.(1))
+ | Mul -> self#beam_of_ident n ((input#get.(0))#mul input#get.(1))
+ | Div -> self#beam_of_ident n ((input#get.(0))#div input#get.(1))
+ | Mem -> self#beam_of_ident n ((input#get.(0))#mem)
+ | Delay -> self#beam_of_ident n ((input#get.(0))#delay input#get.(1))
+ | Floor -> self#beam_of_ident n ((input#get.(0))#floor)
+ | Int -> self#beam_of_ident n ((input#get.(0))#int)
+ | Sin -> self#beam_of_ident n ((input#get.(0))#sin)
+ | Cos -> self#beam_of_ident n ((input#get.(0))#cos)
+ | Atan -> self#beam_of_ident n ((input#get.(0))#atan)
+ | Atan2 -> self#beam_of_ident n ((input#get.(0))#atan2 input#get.(1))
+ | Sqrt -> self#beam_of_ident n ((input#get.(0))#sqrt)
+ | Rdtable -> self#beam_of_ident n
+ ((input#get.(1))#rdtable input#get.(0) input#get.(2))
+ | Mod -> self#beam_of_ident n
+ ((input#get.(0))#_mod input#get.(1))
+ | Vectorize -> self#beam_of_ident n
+ ((input#get.(0))#vectorzie input#get.(1))
+ | Vconcat -> self#beam_of_ident n
+ ((input#get.(0))#vconcat input#get.(1))
+ | Vpick -> self#beam_of_ident n
+ ((input#get.(0))#vpick input#get.(1))
+ | Serialize -> self#beam_of_ident n
+ (input#get.(0))#serialize
+ | Larger -> self#beam_of_ident n
+ ((input#get.(0))#larger input#get.(1))
+ | Smaller -> self#beam_of_ident n
+ ((input#get.(0))#smaller input#get.(1))
+ | Prefix -> self#beam_of_ident n
+ ((input#get.(1))#prefix input#get.(0))
+ | Selec2 -> self#beam_of_ident n
+ ((input#get.(0))#select2 input#get.(1) input#get.(2))
+ | Select3 -> self#beam_of_ident n
+ ((input#get.(0))#select3 input#get.(1)
+ input#get.(2) input#get.(3))
end;;
-class exp_merge =
- object
- inherit expression
-
- end;;
+class proc_par : faust_exp -> process_type =
+ fun (exp_init : faust_exp) ->
+ object (self)
+ val _exp = exp_init
+ val _exp_left =
+ match exp_init with
+ | Par (e1, e2) -> e1
+ | _ -> raise (Process_error "par process constructor.")
+ val _exp_right =
+ match exp_init with
+ | Par (e1, e2) -> e2
+ | _ -> raise (Process_error "par process constructor.")
+
+ val proc_left = (new proc_factory)#make _exp_left
+ val proc_right = (new proc_factory)#make _exp_right
+
+ val _dim = (proc_left#dim)#par proc_right#dim
+ val _delay = max proc_left#delay proc_right#delay
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ let (sub_input1, sub_input2) = input#cut proc_left#dim#input in
+ let sub_output1 = proc_left#eval sub_input1 in
+ let sub_output2 = proc_right#eval sub_input2 in
+ sub_output1#append sub_output2
+ end
+
+and proc_split : faust_exp -> process_type =
+ fun (exp_init : faust_exp) ->
+ object (self)
+ val _exp = exp_init
+ val _exp_left =
+ match exp_init with
+ | Split (e1, e2) -> e1
+ | _ -> raise (Process_error "par process constructor.")
+ val _exp_right =
+ match exp_init with
+ | Split (e1, e2) -> e2
+ | _ -> raise (Process_error "par process constructor.")
+
+ val proc_left = (new proc_factory)#make _exp_left
+ val proc_right = (new proc_factory)#make _exp_right
+
+ val _dim = (proc_left#dim)#split proc_right#dim
+ val _delay = proc_left#delay + proc_right#delay
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ let mid_output = proc_left#eval input in
+ let mid_input = mid_output#matching proc_right#dim#input in
+ proc_right#eval mid_input
+ end
+
+
+and proc_merge : faust_exp -> process_type =
+ fun (exp_init : faust_exp) ->
+ object (self)
+ val _exp = exp_init
+ val _exp_left =
+ match exp_init with
+ | Merge (e1, e2) -> e1
+ | _ -> raise (Process_error "merge process constructor.")
+ val _exp_right =
+ match exp_init with
+ | Merge (e1, e2) -> e2
+ | _ -> raise (Process_error "merge process constructor.")
+
+ val proc_left = (new proc_factory)#make _exp_left
+ val proc_right = (new proc_factory)#make _exp_right
+
+ val _dim = (proc_left#dim)#merge proc_right#dim
+ val _delay = proc_left#delay + proc_right#delay
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ let mid_output = proc_left#eval input in
+ let mid_input = mid_output#matching proc_right#dim#input in
+ proc_right#eval mid_input
+
+ end
+
+and proc_seq : faust_exp -> process_type =
+ fun (exp_init : faust_exp) ->
+ object (self)
+ val _exp = exp_init
+ val _exp_left =
+ match exp_init with
+ | Seq (e1, e2) -> e1
+ | _ -> raise (Process_error "seq process constructor.")
+ val _exp_right =
+ match exp_init with
+ | Seq (e1, e2) -> e2
+ | _ -> raise (Process_error "seq process constructor.")
+
+ val proc_left = (new proc_factory)#make _exp_left
+ val proc_right = (new proc_factory)#make _exp_right
+
+ val _dim = (proc_left#dim)#seq proc_right#dim
+ val _delay = proc_left#delay + proc_right#delay
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ let mid_output = proc_left#eval input in
+ proc_right#eval mid_output
+ end
+
+and proc_rec : faust_exp -> process_type =
+ fun (exp_init : faust_exp) ->
+ object (self)
+ val _exp = exp_init
+ val _exp_left =
+ match exp_init with
+ | Rec (e1, e2) -> e1
+ | _ -> raise (Process_error "rec process constructor.")
+ val _exp_right =
+ match exp_init with
+ | Rec (e1, e2) -> e2
+ | _ -> raise (Process_error "rec process constructor.")
+
+ val proc_left = (new proc_factory)#make _exp_left
+ val proc_right = (new proc_factory)#make _exp_right
-class exp_seq =
- object
- inherit expression
+ val _dim = (proc_left#dim)#_rec proc_right#dim
+ val _delay = proc_left#delay
+
+ method exp = _exp
+ method dim = _dim
+ method delay = _delay
+
+ method eval : beam_type -> beam_type =
+ fun (input : beam_type) ->
+ let mid_output = proc_left#eval input in
+ proc_right#eval mid_output
+
- end;;
+ end
-class exp_rec =
+and proc_factory =
object
- inherit expression
-
- end;;
+ method make : faust_exp -> process_type =
+ fun (exp : faust_exp) ->
+ match exp with
+ | Const b -> new proc_const exp
+ | Ident s -> new proc_ident exp
+ | Par (e1, e2) -> new proc_par exp
+ | Seq (e1, e2) -> new proc_seq exp
+ | Split (e1, e2) -> new proc_split exp
+ | Merge (e1, e2) -> new proc_merge exp
+ | Rec (e1, e2) -> new proc_rec exp
+ end;;
-*)