33 lines
1.5 KiB
OCaml
33 lines
1.5 KiB
OCaml
(**************************************************************************)
|
|
(* *)
|
|
(* Heptagon *)
|
|
(* *)
|
|
(* Author : Marc Pouzet *)
|
|
(* Organization : Demons, LRI, University of Paris-Sud, Orsay *)
|
|
(* *)
|
|
(**************************************************************************)
|
|
|
|
open Clocks
|
|
open Minils
|
|
|
|
(* Any clock variable left after clocking is free and should be set to level_ck.
|
|
Since inputs and outputs are grounded to Cbase, this happens when
|
|
no data dependence exists between an expression and the inputs/outputs.*)
|
|
|
|
(* We are confident that it is sufficient to unify level_ck with base_ck
|
|
for expressions having a base_ck == Cvar.
|
|
The other ones are coming from one like this one,
|
|
indeed if it was Con (Cvar,c,x) x would have to be defined with an expression of clock Cvar.*)
|
|
|
|
let eq _ acc eq =
|
|
let _ = match ck_repr eq.eq_base_ck with
|
|
| Cvar {contents = Cindex _} -> unify_ck eq.eq_base_ck eq.eq_rhs.e_level_ck
|
|
| _ -> ()
|
|
in
|
|
eq,acc (* no recursion since in minils exps are not recursive *)
|
|
|
|
let program p =
|
|
let funs = { Mls_mapfold.defaults with Mls_mapfold.eq = eq } in
|
|
let p, _ = Mls_mapfold.program_it funs [] p in
|
|
p
|