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(********************************************************************)
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(* *)
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(* The LustreC compiler toolset / The LustreC Development Team *)
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(* Copyright 2012 - -- ONERA - CNRS - INPT *)
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(* *)
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(* LustreC is free software, distributed WITHOUT ANY WARRANTY *)
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(* under the terms of the GNU Lesser General Public License *)
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(* version 2.1. *)
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(* *)
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(********************************************************************)
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(* The compilation presented here was first defined in Garoche, Gurfinkel,
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Kahsai, HCSV'14.
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This is a modified version that handle reset *)
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open Utils
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open Format
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open Lustre_types
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open Corelang
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open Machine_code_types
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open Horn_backend_common
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open Horn_backend_printers
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let pp_traces =
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pp_comma_list (fun fmt (v, e) -> fprintf fmt "%s -> %a" v Printers.pp_expr e)
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(* Compute memories associated to each machine *)
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let compute_mems machines m =
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let rec aux prefix m =
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List.map (fun mem -> prefix, mem) m.mmemory
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@ List.fold_left
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(fun accu (id, (n, _)) ->
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let name = node_name n in
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if name = "_arrow" then accu
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else
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let machine_n = get_machine machines name in
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aux ((id, machine_n) :: prefix) machine_n @ accu)
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[] m.minstances
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in
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aux [] m
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(* We extract the annotation dealing with traceability *)
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let machines_traces machines =
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List.map
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(fun m ->
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let traces : (ident * expr) list =
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let all_annots =
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List.flatten (List.map (fun ann -> ann.annots) m.mannot)
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in
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let filtered =
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List.filter (fun (kwds, _) -> kwds = [ "traceability" ]) all_annots
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in
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(* List.iter (eprintf "Annots: %a@." Printers.pp_expr_annot)
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(m.mannot); *)
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let content = List.map snd filtered in
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(* Elements are supposed to be a pair (tuple): variable, expression *)
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List.map
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(fun ee ->
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match ee.eexpr_quantifiers, ee.eexpr_qfexpr.expr_desc with
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| [], Expr_tuple [ v; e ] -> (
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match v.expr_desc with
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| Expr_ident vid ->
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vid, e
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| _ ->
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assert false)
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| _ ->
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assert false)
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content
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in
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(* eprintf "Build traces: %a@." pp_traces traces; *)
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m, traces)
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machines
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let memories_old machines m =
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List.map
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(fun (p, v) ->
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let machine = match p with [] -> m | (_, m') :: _ -> m' in
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let traces = List.assoc machine (machines_traces machines) in
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if List.mem_assoc v.var_id traces then
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( (* We take the expression associated to variable v in the trace info *)
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(* eprintf "Found variable %a in traces: %a@." Printers.pp_var v *
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Printers.pp_expr (List.assoc v.var_id traces); *)
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p,
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List.assoc v.var_id traces )
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else
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( (* We keep the variable as is: we create an expression v *)
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(* eprintf "Unable to found variable %a in traces (%a)@."
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Printers.pp_var v * pp_traces traces; *)
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p,
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mkexpr Location.dummy (Expr_ident v.var_id) ))
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(compute_mems machines m)
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let memories_next machines m =
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(* We remove the topest pre in each expression *)
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List.map
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(fun (prefix, ee) ->
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let m = match prefix with [] -> m | (_, m') :: _ -> m' in
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match ee.expr_desc with
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| Expr_pre e ->
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prefix, e
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| Expr_ident var_id ->
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(* This memory was not introduced through normalization. It shall then
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be a regular x = pre y expression. Otherwise it would have been
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rewritten. We have to get its definition and extract the argument of
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the pre *)
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let selected_def =
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try
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List.find
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(fun def ->
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match def with
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| Eq eq -> (
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match eq.eq_lhs with [ v ] -> v = var_id | _ -> assert false)
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| _ ->
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false)
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m.mname.node_stmts
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with _ ->
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eprintf
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"Unable to find definition of %s in stmts %a@.prefix=%a@.@?"
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var_id Printers.pp_node_stmts m.mname.node_stmts
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(pp_comma_list (fun fmt (id, n) ->
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fprintf fmt "(%s,%s)" id n.mname.node_id))
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(List.rev prefix);
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assert false
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in
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let def =
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match selected_def with
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| Eq eq -> (
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match eq.eq_lhs, eq.eq_rhs.expr_desc with
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| [ single_var ], Expr_pre e ->
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if single_var = var_id then e else assert false
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| _ ->
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assert false)
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| _ ->
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assert false
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in
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prefix, def
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| _ ->
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eprintf "Mem Failure: (prefix: %a, eexpr: %a)@.@?"
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(pp_comma_list (fun fmt (id, n) ->
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fprintf fmt "(%s,%s)" id n.mname.node_id))
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(List.rev prefix) Printers.pp_expr ee;
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assert false)
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(memories_old machines m)
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let pp_prefix_rev fmt prefix =
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pp_print_list ~pp_sep:(fun fmt () -> pp_print_string fmt ".")
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(fun fmt (id, n) -> fprintf fmt "(%s,%s)" id n.mname.node_id)
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fmt (List.rev prefix)
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let traces_file fmt machines =
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let pp_l = pp_print_list ~pp_sep:(fun fmt () -> pp_print_string fmt " | ") in
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fprintf fmt "<?xml version=\"1.0\"?>@.";
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fprintf fmt
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"<Traces xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">@.";
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fprintf fmt "@[<v 5>@ %a@ @]@."
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(pp_print_list (fun fmt m ->
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let pp_var = pp_horn_var m in
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let memories_old = memories_old machines m in
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let memories_next = memories_next machines m in
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(* fprintf fmt "; Node %s@." m.mname.node_id; *)
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fprintf fmt "@[<v 2><Node name=\"%s\">@ " m.mname.node_id;
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let input_vars =
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rename_machine_list m.mname.node_id m.mstep.step_inputs
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in
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let output_vars =
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rename_machine_list m.mname.node_id m.mstep.step_outputs
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in
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fprintf fmt "<input name=\"%a\" type=\"%a\">%a</input>@ "
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(pp_l (pp_horn_var m)) input_vars
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(pp_l (fun fmt id -> pp_type fmt id.var_type)) input_vars
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(pp_l (pp_horn_var m)) m.mstep.step_inputs;
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fprintf fmt "<output name=\"%a\" type=\"%a\">%a</output>@ "
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(pp_l pp_var) output_vars
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(pp_l (fun fmt id -> pp_type fmt id.var_type)) output_vars
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(pp_l pp_var) m.mstep.step_outputs;
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let local_vars =
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try full_memory_vars ~without_arrow:true machines m
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with Not_found ->
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eprintf "machine %s@.@?" m.mname.node_id;
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assert false
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in
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let init_local_vars = rename_next_list local_vars in
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let step_local_vars = rename_current_list local_vars in
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fprintf fmt "<localInit name=\"%a\" type=\"%a\">%t%a</localInit>@ "
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(pp_l pp_var)
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init_local_vars
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(pp_l (fun fmt id -> pp_type fmt id.var_type)) init_local_vars
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(fun fmt ->
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match memories_next with [] -> () | _ -> fprintf fmt "")
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(pp_l (fun fmt (_, ee) -> fprintf fmt "%a" pp_xml_expr ee))
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memories_next;
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fprintf fmt "<localStep name=\"%a\" type=\"%a\">%t%a</localStep>@ "
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(pp_l pp_var) step_local_vars
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(pp_l (fun fmt id -> pp_type fmt id.var_type)) step_local_vars
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(fun fmt -> match memories_old with [] -> () | _ -> fprintf fmt "")
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(pp_l (fun fmt (_, ee) -> fprintf fmt "(%a)" pp_xml_expr ee))
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memories_old;
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let arrow_vars = arrow_vars machines m in
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let arrow_vars_curr = rename_current_list arrow_vars
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and arrow_vars_mid = rename_mid_list arrow_vars
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and arrow_vars_next = rename_next_list arrow_vars in
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pp_print_list (fun fmt v -> fprintf fmt "<reset name=\"%a\"/>" pp_var v)
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fmt
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(arrow_vars_curr @ arrow_vars_mid @ arrow_vars_next);
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fprintf fmt "@]@ </Node>"))
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(List.rev machines);
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fprintf fmt "</Traces>@."
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(* (Utils.fprintf_list ~sep:" | " (fun fmt (prefix, ee) -> fprintf fmt "%a%a"
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pp_prefix_rev prefix Printers.pp_expr ee)) memories_next; *)
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(* (Utils.fprintf_list ~sep:" | " (fun fmt (prefix,ee) -> fprintf fmt "%a(%a)" *)
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(* pp_prefix_rev prefix Printers.pp_expr ee)) (memories_old); *)
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(* Local Variables: *)
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(* compile-command:"make -C ../.." *)
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(* End: *)
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