X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/a6a80a5868c766f1a5360fd27f132fad425f8fe5..a891a827a9bad83d44164ffdd7b28f070c439e46:/interpretor/faustexp.ml

diff --git a/interpretor/faustexp.ml b/interpretor/faustexp.ml
deleted file mode 100644
index e8ff318..0000000
--- a/interpretor/faustexp.ml
+++ /dev/null
@@ -1,320 +0,0 @@
-(**
- 	Module: Faustexp	
-	Description: Faust expression evaluation
-	@author WANG Haisheng	
-	Created: 03/06/2013	Modified: 04/08/2013
-*)
-
-open Types;;
-open Basic;;
-open Symbol;;
-open Value;;
-open Signal;;
-open Beam;;
-
-exception NotYetDone;;
-exception Dimension_error of string;;
-exception Process_error of string;;
-
-
-(* PARSER *)
-
-let exp_of_string s = (Parser.main Lexer.token (Lexing.from_string s));;
-
-
-class dimension : int * int -> dimension_type = 
-  fun (init : int * int) -> 
-    object (self)
-      val _input = fst init
-      val _output = snd init
-
-      method input = _input
-      method output = _output
-
-      method par : dimension_type -> dimension_type = 
-	fun dim -> 
-	  new dimension 
-	    ((self#input + dim#input), (self#output + dim#output))
-	    
-      method seq : dimension_type -> dimension_type = 
-	fun dim -> 
-	  if self#output = dim#input then
-	    new dimension (self#input, dim#output)
-	  else raise (Dimension_error "seq dimension not matched.")
-	      
-      method split : dimension_type -> dimension_type =
-	fun dim ->
-	  if dim#input mod self#output = 0 then
-	    new dimension (self#input, dim#output)
-	  else raise (Dimension_error "split dimension not matched.")
-
-      method merge : dimension_type -> dimension_type =
-	fun dim ->
-	  if self#output mod dim#input = 0 then
-	    new dimension (self#input, dim#output)
-	  else raise (Dimension_error "merge dimension not matched.")
-
-      method _rec : dimension_type -> dimension_type = 
-	fun dim ->
-	  if self#output >= dim#input && self#input >= dim#output then
-	    new dimension (self#input - dim#output, self#output)
-	  else raise (Dimension_error "rec dimension not matched.")
-    end;;
-
-class virtual process = 
-  fun (exp_init : faust_exp) ->
-    object
-      val _exp = exp_init
-      val virtual _dim : dimension_type
-      val virtual _delay : int
-      method exp = _exp
-      method dim = _dim
-      method delay = _delay
-      method virtual eval : beam_type -> beam_type
-    end
-
-class proc_const : faust_exp -> process_type = 
-  fun (exp_init : faust_exp) ->
-    let _const = 
-      match exp_init with
-      | Const b -> b
-      | _ -> raise (Process_error "const process constructor.") in
-
-    object (self)
-      inherit process exp_init
-      val _dim = new dimension (0,1)
-      val _delay = 0
-      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 proc_ident : faust_exp -> process_type = 
-  fun (exp_init : faust_exp) ->
-    let _symbol = 
-	  match exp_init with
-	  | Ident s -> s
-	  | _ -> raise (Process_error "ident process constructor.") in
-
-    object (self)
-      inherit process exp_init
-      val _dim = new dimension (dimension_of_symbol _symbol)
-      val _delay = delay_of_symbol _symbol      
-      method private 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))#vectorize 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))
-	  | Select2 -> 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 virtual process_binary =
-  fun (exp_init : faust_exp) ->
-    let (exp_left, exp_right) = 
-      match exp_init with
-      | Par (e1, e2) -> (e1, e2)
-      |	Seq (e1, e2) -> (e1, e2)
-      |	Split (e1, e2) -> (e1, e2)
-      |	Merge (e1, e2) -> (e1, e2)
-      |	Rec (e1, e2) -> (e1, e2)
-      | _ -> raise (Process_error "binary process constructor.") in
-    let proc_left = (new proc_factory)#make exp_left in
-    let proc_right = (new proc_factory)#make exp_right in
-    
-    object
-      inherit process exp_init
-      method private proc_left = proc_left
-      method private proc_right = proc_right
-
-      val _dim = 
-	match exp_init with
-	| Par (e1, e2) -> (proc_left#dim)#par proc_right#dim
-	| Seq (e1, e2) -> (proc_left#dim)#seq proc_right#dim
-	| Split (e1, e2) -> (proc_left#dim)#split proc_right#dim
-	| Merge (e1, e2) -> (proc_left#dim)#merge proc_right#dim
-	| Rec (e1, e2) -> (proc_left#dim)#_rec proc_right#dim
-	| _ -> raise (Process_error "binary process constructor.")
-
-      val _delay = 
-	match exp_init with
-	| Par (e1, e2) -> max proc_left#delay proc_right#delay
-	| Seq (e1, e2) -> proc_left#delay + proc_right#delay
-	| Split (e1, e2) -> proc_left#delay + proc_right#delay
-	| Merge (e1, e2) -> proc_left#delay + proc_right#delay
-	| Rec (e1, e2) -> 1 + proc_left#delay + proc_right#delay
-	| _ -> raise (Process_error "binary process constructor.")
-    end
-
-and proc_par : faust_exp -> process_type = 
-  fun (exp_init : faust_exp) ->
-    object (self)
-      inherit process_binary exp_init
-      method eval : beam_type -> beam_type = 
-	fun (input : beam_type) ->
-	  let (sub_input1, sub_input2) = input#cut self#proc_left#dim#input in
-	  let sub_output1 = self#proc_left#eval sub_input1 in
-	  let sub_output2 = self#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)
-      inherit process_binary exp_init
-      method eval : beam_type -> beam_type = 
-	fun (input : beam_type) ->
-	  let mid_output = self#proc_left#eval input in
-	  let mid_input = mid_output#matching self#proc_right#dim#input in
-	  self#proc_right#eval mid_input
-      end
-
-and proc_merge : faust_exp -> process_type =
-  fun (exp_init : faust_exp) -> 
-    object (self)
-      inherit process_binary exp_init
-      method eval : beam_type -> beam_type = 
-	fun (input : beam_type) ->
-	  let mid_output = self#proc_left#eval input in
-	  let mid_input = mid_output#matching self#proc_right#dim#input in
-	  self#proc_right#eval mid_input
-      end
-
-and proc_seq : faust_exp -> process_type =
-  fun (exp_init : faust_exp) -> 
-    object (self)
-      inherit process_binary exp_init
-      method eval : beam_type -> beam_type = 
-	fun (input : beam_type) ->
-	  let mid_output = self#proc_left#eval input in
-	  self#proc_right#eval mid_output
-      end
-
-and proc_rec : faust_exp -> process_type =
-  fun (exp_init : faust_exp) -> 
-    object (self)
-      inherit process_binary exp_init    	  
-      method eval : beam_type -> beam_type = 
-	fun (input : beam_type) ->
-	  let memory = Hashtbl.create self#delay in
-	  let rates = ref (Array.make self#dim#output 0) in
-
-	  let split : (time -> value_type array) -> (time -> value_type) array = 
-	    fun beam_at ->
-	      let get_signal = 
-		fun beam_func -> fun i -> fun t -> 
-		(beam_func t).(i) in
-	      Array.init self#dim#output (get_signal beam_at) in
-
-	  let array_map2 = fun f -> fun a -> fun b ->
-	    let n1 = Array.length a in
-	    let n2 = Array.length b in
-	    if n1 = n2 then Array.init n1 (fun i -> f a.(i) b.(i))
-	    else raise (Process_error "Array.map2 size not matched.") in
-
-	  let feedback : (time -> value_type array) -> beam = 
-	    fun beam_at ->
-	      let signals_at = split beam_at in
-	      let delay_by_one = fun s -> fun t -> s (t - 1) in
-	      let delay_signal_funcs = Array.map delay_by_one 
-		  (Array.sub signals_at 0 self#proc_right#dim#input) in
-	      new beam (array_map2 (new signal) 
-			  (Array.sub !rates 0 self#proc_right#dim#input) 
-			  delay_signal_funcs) in
-
-	  let rec beam_at : time -> value_type array = 
-	    fun (t : time) ->	      
-	      if t < 0 then 
-		Array.make self#dim#output (new value Zero)
-	      else if Hashtbl.mem memory t then
-		Hashtbl.find memory t		  
-	      else
-		let beam_fb_in = feedback beam_at in
-		let beam_fb_out = self#proc_right#eval beam_fb_in in
-		let beam_in = beam_fb_out#append input in
-		let beam_out = self#proc_left#eval beam_in in
-		let values = beam_out#at t in
-		let () = (rates := beam_out#frequency) in
-		let () = Hashtbl.add memory t values in
-		let () = if t - self#delay >= 0 then 
-		  Hashtbl.remove memory (t - self#delay) else () in
-		values in	  
-	  new beam (array_map2 (new signal) !rates (split beam_at))	      
-    end
-
-and proc_factory = 
-  object
-      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;;