[simu] wip

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dsac 2022-12-15 09:13:59 +01:00
parent e75d525a6d
commit ed5f94f821

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src/simulation.ml Normal file
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open Ast
type sim_var =
| SIVar of ident * (int option)
| SBVar of ident * (bool option)
| SRVar of ident * (real option)
type sim_node_st =
{
node_outputs: sim_var list;
node_loc_vars: sim_var list;
node_inner_nodes: sim_node list;
}
and sim_node_step_fn =
sim_node_st -> sim_var list -> (sim_var list * sim_node_st)
and sim_node = sim_node_st * sim_node_step_fn
let pp_sim fmt ((sn, _): sim_node) =
let rec aux fmt vars =
match vars with
| [] -> ()
| SIVar (s, None) :: t ->
Format.fprintf fmt "\t<%s : int> uninitialized yet.\n%a" s aux t
| SBVar (s, None) :: t ->
Format.fprintf fmt "\t<%s : bool> uninitialized yet.\n%a" s aux t
| SRVar (s, None) :: t ->
Format.fprintf fmt "\t<%s : real> uninitialized yet.\n%a" s aux t
| SIVar (s, Some i) :: t ->
Format.fprintf fmt "\t<%s : real> = %d\n%a" s i aux t
| SBVar (s, Some b) :: t ->
Format.fprintf fmt "\t<%s : real> = %s\n%a" s (Bool.to_string b) aux t
| SRVar (s, Some r) :: t ->
Format.fprintf fmt "\t<%s : real> = %f\n%a" s r aux t
in
if sn.node_loc_vars <> []
then
Format.fprintf fmt "State of the simulated node:\n\
\tOutput variables:\n%a
\tLocal variables:\n%a"
aux sn.node_outputs
aux sn.node_loc_vars
else
Format.fprintf fmt "State of the simulated node:\n\
\tOutput variables:\n%a
\tThere are no local variables:\n"
aux sn.node_outputs
exception MySimulationException of string
let fetch_node (p: t_nodelist) (s: ident) : t_node =
match List.filter (fun n -> n.n_name = s) p with
| [e] -> e
| _ -> raise (MySimulationException (Format.asprintf "Node %s undefined." s))
let fetch_var (l: sim_var list) (s: ident) =
match List.filter
(function
| SBVar (v, _) | SRVar (v, _) | SIVar (v, _) -> v = s) l with
| [v] -> v
| _ -> raise (MySimulationException
(Format.asprintf "Variable %s undefined." s))
(** TODO! *)
let make_sim (main_fn: ident) (p: t_nodelist): sim_node =
let main_n = fetch_node p main_fn in
let node_outputs =
List.map
(function
| IVar s -> SIVar (s, None)
| BVar s -> SBVar (s, None)
| RVar s -> SRVar (s, None))
(snd main_n.n_outputs) in
let node_loc_vars: sim_var list =
List.map
(function
| IVar s -> SIVar (s, None)
| BVar s -> SBVar (s, None)
| RVar s -> SRVar (s, None))
(snd main_n.n_local_vars) in
let node_inner_nodes = (* TODO! *) [] in
({node_outputs = node_outputs;
node_loc_vars = node_loc_vars;
node_inner_nodes = node_inner_nodes; },
(fun s l -> (s.node_outputs, s)))
let simulate main_fn ast =
let sim_ast = make_sim main_fn ast in
Format.printf "Initial state:\n%a" pp_sim sim_ast