From 23922b6f3a5f9813b822b4c60f05c8f2e384b070 Mon Sep 17 00:00:00 2001
From: WANG <wang@wang-OptiPlex-780.(none)>
Date: Mon, 5 Aug 2013 18:23:43 +0200
Subject: [PATCH] Refactoring of class process in faustexp.ml.

---
 interpretor/faustexp.ml | 52 ++++++++++++++++++++++++++++++++++-------
 interpretor/types.ml    |  1 -
 2 files changed, 44 insertions(+), 9 deletions(-)

diff --git a/interpretor/faustexp.ml b/interpretor/faustexp.ml
index 684eb75..8ad37aa 100644
--- a/interpretor/faustexp.ml
+++ b/interpretor/faustexp.ml
@@ -6,12 +6,14 @@
 *)
 
 open Types;;
+open Basic;;
 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) -> 
@@ -91,17 +93,51 @@ class process : faust_exp -> process_type =
 class proc_const : faust_exp -> process_type = 
   fun (exp_init : faust_exp) ->
     object (self)
-      val exp = exp_init
-      val dim = 
-      method evaluate = fun b1 ->
-	
+      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 const = _const
+
+      method eval : beam_type -> beam_type = 
+	fun (input : beam_type) ->
+	  if input = [||] then
+	    new beam [| new signal 0 (fun t -> new value self#const)|]
+	  else
+	    raise (Process_error "proc_const accepts no input.")
       end;;
 
 
-class exp_ident = 
-  object
-      inherit expression
-
+class exp_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 = dimension_of_symbol _symbol
+      val _delay = 0
+      
+
+      method exp = _exp
+      method dim = _dim
+      method delay = _delay
+      method const = _const
+
+      method eval : beam_type -> beam_type = 
+	fun (input : beam_type) ->
+	  if input = [||] then
+	    new beam [| new signal 0 (fun t -> new value self#const)|]
+	  else
+	    raise (Process_error "proc_const accepts no input.")
       end;;
 
 
diff --git a/interpretor/types.ml b/interpretor/types.ml
index 6fa6513..5e88a1a 100644
--- a/interpretor/types.ml
+++ b/interpretor/types.ml
@@ -144,6 +144,5 @@ class type process_type =
       method exp : faust_exp
       method dim : dimension_type
       method delay : int
-      method to_string : string
       method evaluate : beam_type -> beam_type
     end;;
-- 
2.20.1