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Revision 04396cc7

Added by Christophe Garion over 4 years ago

parser-json: add variables in parsing

View differences:

src/tools/stateflow/parser-json/parser_json.ml
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open Yojson
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open Datatype
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(* open Simulink *)
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(* open Transformer *)
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open Basetypes
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open Basic
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open CPS
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module type ParseExt =
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sig
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  val parse_condition : json -> Condition.t
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  val parse_action : json -> Action.t
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  val parse_event : json -> Basetypes.event_t
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end
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module Parser (Ext : ParseExt) =
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struct
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  let path_split = String.split_on_char '/'
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  let path_concat = String.concat (String.make 1 '/')
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  open Util
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  let to_list json =
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    try
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      json |> to_list
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    with
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      Type_error _ -> [ json ]
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  let rec parse_prog json : prog_t =
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     (*Format.printf "parse_prog@.";*)
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    Program (
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      json |> member "name"        |> to_string,
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     (json |> member "states"      |> to_list |> List.map parse_state) @
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     (json |> member "junctions"   |> to_list |> List.map parse_junction)
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     @
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     (json |> member "sffunctions" |> to_list |> List.map
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        (fun res -> SFFunction (parse_prog res))),
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      [] (* TODO: to be replaced by variables ! *)
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    )
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  and parse_variables json =
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     (*Format.printf "parse_variables@.";*)
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    json |> member "data"       |> to_list |> List.map parse_variable
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  and parse_state json =
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    (*Format.printf "parse_state@.";*)
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    State (
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      json |> member "path" |> parse_path,
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      json |> parse_state_def
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    )
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  and parse_path json =
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      (*Format.printf "parse_path@.";*)
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      json |> to_string |> path_split
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  and parse_state_def json =
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    (*Format.printf "parse_state_def@.";*)
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    {
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      state_actions        = json |> member "state_actions"        |> parse_state_actions;
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      outer_trans          = json |> member "outer_trans"          |> to_list |> List.map parse_transition;
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      inner_trans          = json |> member "inner_trans"          |> to_list |> List.map parse_transition;
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      internal_composition = json |> member "internal_composition" |> parse_internal_composition
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    }
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  and parse_state_actions json =
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    (*Format.printf "parse_state_actions@.";*)
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    {
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      entry_act  = json |> member "entry_act"  |> Ext.parse_action;
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      during_act = json |> member "during_act" |> Ext.parse_action;
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      exit_act   = json |> member "exit_act"   |> Ext.parse_action;
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    }
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  and parse_transition json =
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    (*Format.printf "parse_transition@.";*)
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    {
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      event          = json |> member "event"          |> Ext.parse_event;
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      condition      = json |> member "condition"      |> Ext.parse_condition;
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      condition_act  = json |> member "condition_act"  |> Ext.parse_action;
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      transition_act = json |> member "transition_act" |> Ext.parse_action;
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      dest           = json |> member "dest"           |> parse_dest
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    }
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  and parse_dest json =
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    (*Format.printf "parse_dest@.";*)
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    (json |> member "type" |> to_string |>
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	(function
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	| "State"    -> (fun p -> DPath p)
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	| "Junction" -> (fun j -> DJunction (path_concat j))
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	| _ -> assert false))
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      (json |> member "name" |> parse_path)
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  and parse_internal_composition json =
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    (*Format.printf "parse_internal_composition@.";*)
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    (json |> member "type" |> to_string |>
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	(function
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	| "EXCLUSIVE_OR" -> (fun tinit substates ->                      Or  (tinit, substates))
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	| "PARALLEL_AND" -> (fun tinit substates -> assert (tinit = []); And (substates))
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	| _ -> assert false))
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      (json |> member "tinit"     |> parse_tinit)
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      (json |> member "substates" |> to_list |> List.map to_string)
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  and parse_tinit json =
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    (*Format.printf "parse_tinit@.";*)
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    json |> to_list |> List.map parse_transition
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  and parse_junction json =
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    (*Format.printf "parse_junction@.";*)
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    Junction (
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      json |> member "path"        |> to_string,
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      json |> member "outer_trans" |> to_list |> List.map parse_transition
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    )
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  and scope_of_string s =
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    match s with
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    | "Constant"  -> Constant
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    | "Input"     -> Input
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    | "Local"     -> Local
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    | "Output"    -> Output
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    | "Parameter" -> Parameter
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    | _           -> failwith ("Invalid scope for variable: " ^ s)
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  and datatype_of_json json =
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    let datatype = json |> member "datatype" |> to_string in
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    let init_value = json |> member "initial_value" |> to_string in
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    match datatype with
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    | "bool" -> Bool (bool_of_string init_value)
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    | "int"  -> Int  (int_of_string init_value)
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    | "real" -> Real (float_of_string init_value)
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    | _      -> failwith ("Invalid datatype " ^ datatype
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                          ^ " for variable " ^ (json |> member "name"
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                                                |> to_string))
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  and parse_variable json =
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    (*Format.printf "parse_variables@.";*)
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    (
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      json |> member "name"          |> to_string,
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      json |> member "scope"         |> to_string |> scope_of_string,
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      json                           |> datatype_of_json
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    )
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end
1
open Yojson
2
open Datatype
3
(* open Simulink *)
4
(* open Transformer *)
5
open Basetypes
6
open Basic
7
open Corelang
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open CPS
9
open LustreSpec
10

  
11
module type ParseExt =
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sig
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  val parse_condition : json -> Condition.t
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  val parse_action : json -> Action.t
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  val parse_event : json -> Basetypes.event_t
16
end
17

  
18
module Parser (Ext : ParseExt) =
19
struct
20
  let path_split = String.split_on_char '/'
21
  let path_concat = String.concat (String.make 1 '/')
22

  
23
  open Util
24

  
25
  let to_list json =
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    try
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      json |> to_list
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    with
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      Type_error _ -> [ json ]
30

  
31
  let rec parse_prog json : prog_t =
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     (*Format.printf "parse_prog@.";*)
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    Program (
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      json |> member "name"        |> to_string,
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     (json |> member "states"      |> to_list |> List.map parse_state) @
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     (json |> member "junctions"   |> to_list |> List.map parse_junction)
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     @
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     (json |> member "sffunctions" |> to_list |> List.map
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        (fun res -> SFFunction (parse_prog res))),
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      json |> member "data"        |> to_list |> List.map parse_variable
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    )
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  (* and parse_variables json = *)
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  (*    (\*Format.printf "parse_variables@.";*\) *)
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  (*   json |> member "data"       |> to_list |> List.map parse_variable *)
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  and parse_state json =
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    (*Format.printf "parse_state@.";*)
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    State (
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      json |> member "path" |> parse_path,
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      json |> parse_state_def
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    )
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  and parse_path json =
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      (*Format.printf "parse_path@.";*)
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      json |> to_string |> path_split
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  and parse_state_def json =
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    (*Format.printf "parse_state_def@.";*)
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    {
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      state_actions        = json |> member "state_actions"        |> parse_state_actions;
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      outer_trans          = json |> member "outer_trans"          |> to_list |> List.map parse_transition;
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      inner_trans          = json |> member "inner_trans"          |> to_list |> List.map parse_transition;
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      internal_composition = json |> member "internal_composition" |> parse_internal_composition
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    }
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  and parse_state_actions json =
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    (*Format.printf "parse_state_actions@.";*)
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    {
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      entry_act  = json |> member "entry_act"  |> Ext.parse_action;
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      during_act = json |> member "during_act" |> Ext.parse_action;
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      exit_act   = json |> member "exit_act"   |> Ext.parse_action;
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    }
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  and parse_transition json =
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    (*Format.printf "parse_transition@.";*)
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    {
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      event          = json |> member "event"          |> Ext.parse_event;
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      condition      = json |> member "condition"      |> Ext.parse_condition;
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      condition_act  = json |> member "condition_act"  |> Ext.parse_action;
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      transition_act = json |> member "transition_act" |> Ext.parse_action;
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      dest           = json |> member "dest"           |> parse_dest
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    }
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  and parse_dest json =
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    (*Format.printf "parse_dest@.";*)
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    (json |> member "type" |> to_string |>
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	(function
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	| "State"    -> (fun p -> DPath p)
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	| "Junction" -> (fun j -> DJunction (path_concat j))
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	| _ -> assert false))
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      (json |> member "name" |> parse_path)
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  and parse_internal_composition json =
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    (*Format.printf "parse_internal_composition@.";*)
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    (json |> member "type" |> to_string |>
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	(function
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	| "EXCLUSIVE_OR" -> (fun tinit substates ->                      Or  (tinit, substates))
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	| "PARALLEL_AND" -> (fun tinit substates -> assert (tinit = []); And (substates))
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	| _ -> assert false))
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      (json |> member "tinit"     |> parse_tinit)
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      (json |> member "substates" |> to_list |> List.map to_string)
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  and parse_tinit json =
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    (*Format.printf "parse_tinit@.";*)
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    json |> to_list |> List.map parse_transition
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  and parse_junction json =
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    (*Format.printf "parse_junction@.";*)
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    Junction (
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      json |> member "path"        |> to_string,
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      json |> member "outer_trans" |> to_list |> List.map parse_transition
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    )
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  and scope_of_string s =
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    match s with
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    | "Constant"  -> Constant
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    | "Input"     -> Input
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    | "Local"     -> Local
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    | "Output"    -> Output
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    | "Parameter" -> Parameter
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    | _           -> failwith ("Invalid scope for variable: " ^ s)
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  and datatype_of_json json =
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    let datatype = json |> member "datatype" |> to_string in
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    let init_value = json |> member "initial_value" |> to_string in
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    match datatype with
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    | "bool" -> Bool (bool_of_string init_value)
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    | "int"  -> Int  (int_of_string init_value)
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    | "real" -> Real (float_of_string init_value)
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    | _      -> failwith ("Invalid datatype " ^ datatype
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                          ^ " for variable " ^ (json |> member "name"
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                                                |> to_string))
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  and lustre_datatype_of_json json location =
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    let datatype      = json |> member "datatype"      |> to_string in
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    let initial_value = json |> member "initial_value" |> to_string in
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    match datatype with
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    | "bool" -> (Tydec_bool, mkexpr location
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                   (Expr_const (Const_bool
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                                  (bool_of_string initial_value))))
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    | "int"  -> (Tydec_int, mkexpr location
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                   (Expr_const (Const_int (int_of_string
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                                             initial_value))))
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    | "real" -> (Tydec_real, mkexpr location
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                   (Expr_const (Const_real (Num.num_of_int 0,
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                                           0,
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                                           initial_value))))
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    | _      -> failwith ("Invalid datatype " ^ datatype
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                          ^ " for variable " ^ (json |> member "name"
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                                                |> to_string))
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  and parse_variable json =
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    (*Format.printf "parse_variable@.";*)
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    let location                  = Location.dummy_loc in
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    let (datatype, initial_value) = lustre_datatype_of_json json location in
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    mkvar_decl location ~orig:true
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      ( json |> member "name" |> to_string,
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        {ty_dec_desc = datatype;  ty_dec_loc = location},
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        {ck_dec_desc = Ckdec_any; ck_dec_loc = location},
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        false,
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        Some initial_value
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      )
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end

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