Revision ca7ff3f7
Added by Lélio Brun over 1 year ago
| src/tools/stateflow/json-parser/json_parser.ml | ||
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open Yojson |
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open Basic |
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module type ParseExt = |
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sig |
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module type ParseExt = 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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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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module Parser (Ext : ParseExt) = struct |
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exception JSON_parse_error of string |
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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 to_list json = try json |> to_list with Type_error _ -> [ json ] |
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let rec parse_prog json : prog_t = |
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Logs.info (fun m -> m "parse_prog %s" (json |> member "name" |> to_string)); |
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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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Logs.info (fun m -> m "parse_prog %s" (json |> member "name" |> to_string)); |
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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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@ (json |> member "sffunctions" |> to_list |
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|> List.map (fun res -> SFFunction (parse_prog res))), |
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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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Logs.debug (fun m -> m "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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State (json |> member "path" |> parse_path, json |> parse_state_def) |
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and parse_path json = |
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Logs.debug (fun m -> m "parse_path %s" (json |> to_string)); |
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json |> to_string |> path_split |
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and parse_state_def json = |
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Logs.debug (fun m -> m "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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state_actions = json |> member "state_actions" |> parse_state_actions; |
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outer_trans = |
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json |> member "outer_trans" |> to_list |> List.map parse_transition; |
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inner_trans = |
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json |> member "inner_trans" |> to_list |> List.map parse_transition; |
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internal_composition = |
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json |> member "internal_composition" |> parse_internal_composition; |
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} |
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and parse_state_actions json = |
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Logs.debug (fun m -> m "parse_state_actions"); |
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{
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entry_act = json |> member "entry_act" |> Ext.parse_action;
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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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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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Logs.debug (fun m -> m "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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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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dest = json |> member "dest" |> parse_dest;
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} |
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and parse_dest json = |
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Logs.debug (fun m -> m "parse_dest"); |
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let dest_type = json |> member "type" |> to_string in |
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(dest_type |> |
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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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| _ -> raise (JSON_parse_error ("Invalid destination type: " ^ dest_type))))
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(dest_type |> function |
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| "State" -> |
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fun p -> DPath p |
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| "Junction" -> |
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fun j -> DJunction (path_concat j) |
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| _ -> |
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raise (JSON_parse_error ("Invalid destination type: " ^ dest_type)))
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(json |> member "name" |> parse_path) |
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and parse_internal_composition json = |
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Logs.debug (fun m -> m "parse_internal_composition"); |
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let state_type = json |> member "type" |> to_string in |
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(state_type |> |
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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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| _ -> raise (JSON_parse_error ("Invalid state type: " ^ state_type))))
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(json |> member "tinit" |> parse_tinit) |
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(state_type |> function |
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| "EXCLUSIVE_OR" -> |
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fun tinit substates -> Or (tinit, substates) |
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| "PARALLEL_AND" -> |
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fun tinit substates -> |
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assert (tinit = []); |
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And substates |
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| _ -> |
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raise (JSON_parse_error ("Invalid state type: " ^ state_type)))
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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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Logs.debug (fun m -> m "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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Logs.debug (fun m -> m "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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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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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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| _ -> raise (JSON_parse_error ("Invalid scope for variable: " ^ s))
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| "Constant" -> |
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Constant |
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| "Input" -> |
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Input |
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| "Local" -> |
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Local |
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| "Output" -> |
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Output |
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| "Parameter" -> |
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Parameter |
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| _ -> |
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raise (JSON_parse_error ("Invalid scope for variable: " ^ s))
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and parse_real_value s = |
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Logs.debug (fun m -> m "parse_real_value %s" s); |
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let real_regexp_simp = regexp "\\(-?[0-9][0-9]*\\)\\.\\([0-9]*\\)" in |
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let real_regexp_e = regexp "\\(-?[0-9][0-9]*\\)\\.\\([0-9]*\\)\\(E\\|e\\)\\(\\(\\+\\|\\-\\)[0-9][0-9]*\\)" in |
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let real_regexp_e = |
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regexp |
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"\\(-?[0-9][0-9]*\\)\\.\\([0-9]*\\)\\(E\\|e\\)\\(\\(\\+\\|\\-\\)[0-9][0-9]*\\)" |
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in |
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if string_match real_regexp_e s 0 then |
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let l = matched_group 1 s in |
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let r = matched_group 2 s in |
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let e = matched_group 4 s in |
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Const_real (Num.num_of_string (l ^ r), |
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String.length r + (-1 * int_of_string e), |
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s) |
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else |
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if string_match real_regexp_simp s 0 then |
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Const_real |
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(Num.num_of_string (l ^ r), String.length r + (-1 * int_of_string e), s) |
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else if string_match real_regexp_simp s 0 then |
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let l = matched_group 1 s in |
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let r = matched_group 2 s in |
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Const_real (Num.num_of_string (l ^ r), String.length r, s) |
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else |
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raise (JSON_parse_error ("Invalid real constant " ^ s))
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else raise (JSON_parse_error ("Invalid real constant " ^ s))
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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 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_tag |
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((fun s -> match s with |
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| "true" -> tag_true |
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| "false" -> tag_false |
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| _ -> |
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raise (JSON_parse_error ("Invalid constant for
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boolean: " ^ s))) 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 (parse_real_value initial_value))) |
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| _ -> raise (JSON_parse_error ("Invalid datatype " ^ datatype
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^ " for variable " ^ (json |> member "name" |
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|> to_string))) |
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| "bool" -> |
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( Tydec_bool, |
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mkexpr location |
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(Expr_const |
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(Const_tag |
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((fun s -> |
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match s with |
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| "true" -> |
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tag_true |
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| "false" -> |
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tag_false |
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| _ -> |
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raise |
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(JSON_parse_error |
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("Invalid constant for\n boolean: " ^ s)))
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initial_value))) ) |
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| "int" -> |
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( Tydec_int, |
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mkexpr location (Expr_const (Const_int (int_of_string initial_value))) ) |
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| "real" -> |
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Tydec_real, mkexpr location (Expr_const (parse_real_value initial_value)) |
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| _ -> |
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raise |
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(JSON_parse_error |
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("Invalid datatype " ^ datatype ^ " for variable "
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^ (json |> member "name" |> to_string))) |
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and parse_variable json = |
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Logs.debug (fun m -> m "parse_variable %s" (json |> member "name" |> to_string)); |
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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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Logs.debug (fun m -> |
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m "parse_variable %s" (json |> member "name" |> to_string)); |
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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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{ 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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true, |
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Some initial_value |
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) |
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Some initial_value ) |
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end |
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