package bap-std

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package bap-std
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Trie maps over instructions

type key
val key_of_first_insns : (_, _, _, _) state -> len:int -> key option

key_of_first_insns state ~len:n creates a key from first n instructions stored in the state if state contains such amount of instructions

module Normalized : Trie.S with type key = key
include Trie.S with type key := key
type 'a t

trie can store arbitrary data

include sig ... end
val t_of_sexp : (Sexplib.Sexp.t -> 'a) -> Sexplib.Sexp.t -> 'a t
val sexp_of_t : ('a -> Sexplib.Sexp.t) -> 'a t -> Sexplib.Sexp.t
val bin_t : 'a Core_kernel.Std.Bin_prot.Type_class.t -> 'a t Core_kernel.Std.Bin_prot.Type_class.t
val bin_read_t : 'a Core_kernel.Std.Bin_prot.Read.reader -> 'a t Core_kernel.Std.Bin_prot.Read.reader
val __bin_read_t__ : 'a Core_kernel.Std.Bin_prot.Read.reader -> (int -> 'a t) Core_kernel.Std.Bin_prot.Read.reader
val bin_reader_t : 'a Core_kernel.Std.Bin_prot.Type_class.reader -> 'a t Core_kernel.Std.Bin_prot.Type_class.reader
val bin_size_t : 'a Core_kernel.Std.Bin_prot.Size.sizer -> 'a t Core_kernel.Std.Bin_prot.Size.sizer
val bin_write_t : 'a Core_kernel.Std.Bin_prot.Write.writer -> 'a t Core_kernel.Std.Bin_prot.Write.writer
val bin_writer_t : 'a Core_kernel.Std.Bin_prot.Type_class.writer -> 'a t Core_kernel.Std.Bin_prot.Type_class.writer
val create : unit -> 'a t

create () creates new empty trie

val add : 'a t -> key:key -> data:'a -> unit

add trie ~key ~data adds data associated with key, if trie already has some data associated with the key, then it will be overwritten

val change : 'a t -> key -> ('a option -> 'a option) -> unit

change trie key f if trie has data associated with key then f will be called with Some data, otherwise it will be called with None. If f returns None then there will be no data associated with key, if f returns Some thing, then thing will be bound to key

val find : 'a t -> key -> 'a option

find trie key finds data associated with key

val walk : 'a t -> key -> init:'b -> f:('b -> 'a option -> 'b) -> 'b

walk trie key ~init ~f walks down the tree starting from the root and ending with the last token of the key. Function f is fold over values associated with all substrings of the key, starting from a zero substring.

val remove : 'a t -> key -> unit

remove trie key removes value bound with key if any.

val longest_match : 'a t -> key -> (int * 'a) option

longest_match trie k find the value associated with a longest substring of a key k. Returns a pair - a length of matched key and data, associated with that key.

val length : 'a t -> int

length trie returns the amount of entries in the trie

val pp : 'a Regular.Std.printer -> 'a t Regular.Std.printer

pp pp_val creates a printer for a given value printer pp_val. Example:

let int_trie = String.Trie.pp pp_int

will create a printer for a String.Trie that is populated by integers.

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