package rfsm

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package rfsm

rfsm
- Rfsm
  - Action
  - Builtins
  - Condition
  - Dynamic
  - Eval
  - Expr
  - Fsm
    
    State
    
    TransLabel
  - Global
  - Ident
  - Intbits
  - Misc
  - Simul
  - Static
    
    DepG
    
    E
    
    Mark
    
    V
  - Stimuli
  - Trace
  - Type_expr
  - Types
    
    Index
  - Typing

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The simulator

exception Error of string

type config = {

mutable max_micro_reactions : int;

}

val cfg : config

type stimulus = Dynamic.loc * Expr.value

type response = Dynamic.loc * Expr.value

type reaction =
  Types.date * string * Stimuli.stimuli list * response list * string

type context = {

c_date : Types.date;
c_inputs : (string * (Types.typ * Expr.value)) list;
c_outputs : (string * (Types.typ * Expr.value)) list;
c_fns : (string * (Types.typ * Expr.value)) list;
c_csts : (string * (Types.typ * Expr.value)) list;
c_vars : (string * (Types.typ * Expr.value)) list;
c_evs : (string * (Types.typ * Expr.value)) list;
c_fsms : Dynamic.fsm list * Dynamic.fsm list;

}

exception OverReaction of Types.date

val react : Types.date -> context -> stimulus list -> context * response list

react t ctx stimuli computes a global reaction in ctx at time t given a set of stimuli stimuli, producing an updated context ctx' and a set of responses resps. The (operational) semantics is that of StateCharts. A reaction is viewed as a (finite) sequence of "micro-reactions". Each micro-reaction can generate stimuli which can trigger another micro-reaction (the related stimuli are here called "reentrant". However, a given FSM can only react once during a sequence of micro-reactions (this is implemented by partitionning FSMs into active/inactive subsets during a reaction. A reaction ends when all the micro-reactions have taken place, i.e. when the last one did not produce any further re-entrant stimulus.

val run : Static.t -> context * (Types.date * response list) list

run m runs a simulation of system m, returning the final context and a list of timed responses

Printers

val dump_context : context -> unit

val dump_reaction : (int * Dynamic.event list) -> unit