Revision 63f10e14 src/machine_code.ml
src/machine_code.ml  

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[control_on_clock node args c (conditional g [MReset i] [MNoReset i])] 
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let translate_eq node ((m, si, j, d, s) as args) eq = 
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(* Format.eprintf "translate_eq %a with clock %a@." Printers.pp_node_eq eq Clocks.print_ck eq.eq_rhs.expr_clock; *) 

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(* Format.eprintf "translate_eq %a with clock %a@." Printers.pp_node_eq eq Clocks.print_ck eq.eq_rhs.expr_clock; *)


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match eq.eq_lhs, eq.eq_rhs.expr_desc with 
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 [x], Expr_arrow (e1, e2) > 
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let var_x = get_node_var x node in 

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let o = new_instance node arrow_top_decl eq.eq_rhs.expr_tag in 

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let c1 = translate_expr node args e1 in 

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let c2 = translate_expr node args e2 in 

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(m, 

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MReset o :: si, 

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Utils.IMap.add o (arrow_top_decl, []) j, 

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d, 

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(control_on_clock node args eq.eq_rhs.expr_clock (MStep ([var_x], o, [c1;c2]))) :: s) 

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let var_x = get_node_var x node in


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let o = new_instance node arrow_top_decl eq.eq_rhs.expr_tag in


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let c1 = translate_expr node args e1 in


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let c2 = translate_expr node args e2 in


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(m,


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MReset o :: si,


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Utils.IMap.add o (arrow_top_decl, []) j,


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d,


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(control_on_clock node args eq.eq_rhs.expr_clock (MStep ([var_x], o, [c1;c2]))) :: s)


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 [x], Expr_pre e1 when ISet.mem (get_node_var x node) d > 
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let var_x = get_node_var x node in 

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(ISet.add var_x m, 

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si, 

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j, 

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d, 

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control_on_clock node args eq.eq_rhs.expr_clock (MStateAssign (var_x, translate_expr node args e1)) :: s) 

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let var_x = get_node_var x node in


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(ISet.add var_x m,


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si,


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j,


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d,


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control_on_clock node args eq.eq_rhs.expr_clock (MStateAssign (var_x, translate_expr node args e1)) :: s)


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 [x], Expr_fby (e1, e2) when ISet.mem (get_node_var x node) d > 
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let var_x = get_node_var x node in 

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(ISet.add var_x m, 

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MStateAssign (var_x, translate_expr node args e1) :: si, 

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j, 

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d, 

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control_on_clock node args eq.eq_rhs.expr_clock (MStateAssign (var_x, translate_expr node args e2)) :: s) 

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let var_x = get_node_var x node in


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(ISet.add var_x m,


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MStateAssign (var_x, translate_expr node args e1) :: si,


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j,


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d,


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control_on_clock node args eq.eq_rhs.expr_clock (MStateAssign (var_x, translate_expr node args e2)) :: s)


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 p , Expr_appl (f, arg, r) when not (Basic_library.is_expr_internal_fun eq.eq_rhs) > 
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let var_p = List.map (fun v > get_node_var v node) p in 

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let el = expr_list_of_expr arg in 

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let vl = List.map (translate_expr node args) el in 

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let node_f = node_from_name f in 

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let call_f = 

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node_f, 

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NodeDep.filter_static_inputs (node_inputs node_f) el in 

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let o = new_instance node node_f eq.eq_rhs.expr_tag in 

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let env_cks = List.fold_right (fun arg cks > arg.expr_clock :: cks) el [eq.eq_rhs.expr_clock] in 

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let call_ck = Clock_calculus.compute_root_clock (Clock_predef.ck_tuple env_cks) in 

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(*Clocks.new_var true in 

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Clock_calculus.unify_imported_clock (Some call_ck) eq.eq_rhs.expr_clock eq.eq_rhs.expr_loc; 

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Format.eprintf "call %a: %a: %a@," Printers.pp_expr eq.eq_rhs Clocks.print_ck (Clock_predef.ck_tuple env_cks) Clocks.print_ck call_ck;*) 

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(m, 

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(if Stateless.check_node node_f then si else MReset o :: si), 

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Utils.IMap.add o call_f j, 

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d, 

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(if Stateless.check_node node_f 

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then [] 

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else reset_instance node args o r call_ck) @ 

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(control_on_clock node args call_ck (MStep (var_p, o, vl))) :: s)


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(* 

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(* special treatment depending on the active backend. For horn backend, x = ite (g,t,e) 

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are preserved. While they are replaced as if g then x = t else x = e in C or Java


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backends. *)


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 [x], Expr_ite (c, t, e) 

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let var_p = List.map (fun v > get_node_var v node) p in


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let el = expr_list_of_expr arg in


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let vl = List.map (translate_expr node args) el in


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let node_f = node_from_name f in


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let call_f =


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node_f,


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NodeDep.filter_static_inputs (node_inputs node_f) el in


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let o = new_instance node node_f eq.eq_rhs.expr_tag in


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let env_cks = List.fold_right (fun arg cks > arg.expr_clock :: cks) el [eq.eq_rhs.expr_clock] in


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let call_ck = Clock_calculus.compute_root_clock (Clock_predef.ck_tuple env_cks) in


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(*Clocks.new_var true in


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Clock_calculus.unify_imported_clock (Some call_ck) eq.eq_rhs.expr_clock eq.eq_rhs.expr_loc;


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Format.eprintf "call %a: %a: %a@," Printers.pp_expr eq.eq_rhs Clocks.print_ck (Clock_predef.ck_tuple env_cks) Clocks.print_ck call_ck;*)


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(m,


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(if Stateless.check_node node_f then si else MReset o :: si),


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Utils.IMap.add o call_f j,


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d,


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(if Stateless.check_node node_f


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then []


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else reset_instance node args o r call_ck) @


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(control_on_clock node args call_ck (MStep (var_p, o, vl))) :: s)


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(*


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(* special treatment depending on the active backend. For horn backend, x = ite (g,t,e)


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are preserved. While they are replaced as if g then x = t else x = e in C or Java 

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backends. *) 

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 [x], Expr_ite (c, t, e)


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when (match !Options.output with  "horn" > true  "C"  "java"  _ > false) 
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>


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> 

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let var_x = get_node_var x node in 
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(m, 
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si,


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j,


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d,


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(control_on_clock node args eq.eq_rhs.expr_clock


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(MLocalAssign (var_x, translate_expr node args eq.eq_rhs))::s)


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si, 

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j, 

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d, 

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(control_on_clock node args eq.eq_rhs.expr_clock 

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(MLocalAssign (var_x, translate_expr node args eq.eq_rhs))::s)


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) 
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*) 

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*)


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 [x], _ > ( 
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let var_x = get_node_var x node in 
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(m, si, j, d, 
...  ...  
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) 
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) 
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 _ > 
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begin 

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Format.eprintf "internal error: Machine_code.translate_eq %a@?" Printers.pp_node_eq eq; 

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assert false 

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end 

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begin


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Format.eprintf "internal error: Machine_code.translate_eq %a@?" Printers.pp_node_eq eq;


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assert false


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end


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let find_eq xl eqs = 
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let rec aux accu eqs = 
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