package bap-std

In the IR model subroutines are not functions, that has a return value, but a more general subroutine that has a set of arguments, that can be used for input, output or both purposes.

type t = arg term

val reify : 
  ?tid:tid ->
  ?intent:intent ->
  'a Bap_core_theory.Theory.var ->
  'a Bap_core_theory.Theory.value ->
  t

reify v x reifies Core Theory terms into an arg term.

val var : t -> unit Bap_core_theory.Theory.var

var arg is the left-hand-side of the arg term.

val value : t -> unit Bap_core_theory.Theory.value

value arg is the right-hand-side of the arg term.

val create : ?tid:tid -> ?intent:intent -> var -> exp -> t

create ?intent var exp creates an argument. If intent is not specified it is left unknown.

val lhs : t -> var

lhs arg returns a variable associated with the argument.

val rhs : t -> exp

rhs arg returns an expression to which argument is bound.

val intent : t -> intent option

intent arg returns the argument intent. The None value denontes unknown intent.

val with_intent : t -> intent -> t

with_intent intent arg updates argument intent

val with_unknown_intent : t -> t

removes the intent from an argument

Attributes

val warn_unused : unit tag

a caller of the subroutine must use an argument tagged with this attribute. This is useful for subroutines where not checking the result is either a security problem or always a bug, such as realloc

val alloc_size : unit tag

the size of allocated memory is the product of arguments marked with alloc_size attribute

val format : string tag

format(DSL) the specified argument of a subroutine is actually a format string written in a corresponding DSL.

val nonnull : unit tag

a contract requirement that this argument is not NULL.

include Regular.Std.Regular.S with type t := t

include Core_kernel.Bin_prot.Binable.S with type t := t

val bin_size_t : t Bin_prot.Size.sizer

val bin_write_t : t Bin_prot.Write.writer

val bin_read_t : t Bin_prot.Read.reader

val __bin_read_t__ : (int -> t) Bin_prot.Read.reader

val bin_shape_t : Bin_prot.Shape.t

val bin_writer_t : t Bin_prot.Type_class.writer

val bin_reader_t : t Bin_prot.Type_class.reader

val bin_t : t Bin_prot.Type_class.t

include Ppx_sexp_conv_lib.Sexpable.S with type t := t

val t_of_sexp : Sexplib0__.Sexp.t -> t

val sexp_of_t : t -> Sexplib0__.Sexp.t

include Regular.Std.Printable.S with type t := t

val to_string : t -> string

to_string x returns a human-readable representation of x

val str : unit -> t -> string

str () t is formatted output function that matches "%a" conversion format specifier in functions, that prints to string, e.g., sprintf, failwithf, errorf and, surprisingly all Lwt printing function, including Lwt_io.printf and logging (or any other function with type ('a,unit,string,...) formatN`. Example:

Or_error.errorf "type %a is not valid for %a"
    Type.str ty Exp.str exp

val pps : unit -> t -> string

synonym for str

val ppo : Core_kernel.Out_channel.t -> t -> unit

will print to a standard output_channel, useful for using in printf, fprintf, etc.

val pp_seq : Format.formatter -> t Core_kernel.Sequence.t -> unit

prints a sequence of values of type t

this will include pp function from Core that has type t printer, and can be used in Format.printf family of functions

include Core_kernel.Pretty_printer.S with type t := t

val pp : Base__.Formatter.t -> t -> unit

include Core_kernel.Comparable.S_binable with type t := t

include Base.Comparable.S with type t := t

val (>=) : t -> t -> bool

val (<=) : t -> t -> bool

val (=) : t -> t -> bool

val (>) : t -> t -> bool

val (<) : t -> t -> bool

val (<>) : t -> t -> bool

val equal : t -> t -> bool

val compare : t -> t -> int

compare t1 t2 returns 0 if t1 is equal to t2, a negative integer if t1 is less than t2, and a positive integer if t1 is greater than t2.

val min : t -> t -> t

val max : t -> t -> t

val ascending : t -> t -> int

ascending is identical to compare. descending x y = ascending y x. These are intended to be mnemonic when used like List.sort ~compare:ascending and List.sort ~cmp:descending, since they cause the list to be sorted in ascending or descending order, respectively.

val descending : t -> t -> int

val between : t -> low:t -> high:t -> bool

between t ~low ~high means low <= t <= high

val clamp_exn : t -> min:t -> max:t -> t

clamp_exn t ~min ~max returns t', the closest value to t such that between t' ~low:min ~high:max is true.

Raises if not (min <= max).

val clamp : t -> min:t -> max:t -> t Base__.Or_error.t

type comparator_witness

val validate_lbound : min:t Base__.Maybe_bound.t -> t Base__.Validate.check

val validate_ubound : max:t Base__.Maybe_bound.t -> t Base__.Validate.check

val validate_bound : 
  min:t Base__.Maybe_bound.t ->
  max:t Base__.Maybe_bound.t ->
  t Base__.Validate.check

module Replace_polymorphic_compare : 
  Base.Comparable.Polymorphic_compare with type t := t

val comparator : (t, comparator_witness) Base__.Comparator.comparator

module Map : 
  Core_kernel.Map.S_binable
    with type Key.t = t
    with type Key.comparator_witness = comparator_witness

module Set : 
  Core_kernel.Set.S_binable
    with type Elt.t = t
    with type Elt.comparator_witness = comparator_witness

include Core_kernel.Hashable.S_binable with type t := t

val hash_fold_t : 
  Ppx_hash_lib.Std.Hash.state ->
  t ->
  Ppx_hash_lib.Std.Hash.state

val hash : t -> Ppx_hash_lib.Std.Hash.hash_value

val hashable : t Core_kernel.Hashtbl.Hashable.t

module Table : Core_kernel.Hashtbl.S_binable with type key = t

module Hash_set : Core_kernel.Hash_set.S_binable with type elt = t

module Hash_queue : Core_kernel.Hash_queue.S with type key = t

include Regular.Std.Data.S with type t := t

type info = string * [ `Ver of string ] * string option

name,Ver v,desc information attached to a particular reader or writer.

val version : string

Data representation version. After any change in data representation the version should be increased.

Serializers that are derived from a data representation must have the same version as a version of the data structure, from which it is derived. This kind of serializers can only read and write data of the same version.

Other serializers can actually read and write data independent on its representation version. A serializer, that can't store data of current version simply shouldn't be added to a set of serializers.

It is assumed, that if a reader and a writer has the same name and version, then whatever was written by the writer should be readable by the reader. The round-trip equality is not required, thus it is acceptable if some information is lost.

It is also possible, that a reader and a writer that has the same name are compatible. In that case it is recommended to use semantic versioning.

val size_in_bytes : ?ver:string -> ?fmt:string -> t -> int

size_in_bytes ?ver ?fmt datum returns the amount of bytes that is needed to represent datum in the given format and version

val of_bytes : ?ver:string -> ?fmt:string -> Regular.Std.bytes -> t

of_bytes ?ver ?fmt bytes deserializes a value from bytes.

val to_bytes : ?ver:string -> ?fmt:string -> t -> Regular.Std.bytes

to_bytes ?ver ?fmt datum serializes a datum to a sequence of bytes.

val blit_to_bytes : 
  ?ver:string ->
  ?fmt:string ->
  Regular.Std.bytes ->
  t ->
  int ->
  unit

blit_to_bytes ?ver ?fmt buffer datum offset copies a serialized representation of datum into a buffer, starting from the offset.

val of_bigstring : ?ver:string -> ?fmt:string -> Core_kernel.bigstring -> t

of_bigstring ?ver ?fmt buf deserializes a datum from bigstring

val to_bigstring : ?ver:string -> ?fmt:string -> t -> Core_kernel.bigstring

of_bigstring ?ver ?fmt datum serializes a datum to a sequence of bytes represented as bigstring

val blit_to_bigstring : 
  ?ver:string ->
  ?fmt:string ->
  Core_kernel.bigstring ->
  t ->
  int ->
  unit

blit_to_bigstring ?ver ?fmt buffer datum offset copies a serialized representation of datum into a buffer, starting from offset.

module Io : sig ... end

Input/Output functions for the given datum.

module Cache : sig ... end

Data cache.

val add_reader : 
  ?desc:string ->
  ver:string ->
  string ->
  t Regular.Std.reader ->
  unit

add_reader ?desc ~ver name reader registers a new reader with a provided name, version ver and optional description desc

val add_writer : 
  ?desc:string ->
  ver:string ->
  string ->
  t Regular.Std.writer ->
  unit

add_writer ?desc ~ver name writer registers a new writer with a provided name, version ver and optional description desc

val available_readers : unit -> info list

available_reader () lists available readers for the data type

val default_reader : unit -> info

default_reader returns information about default reader

val set_default_reader : ?ver:string -> string -> unit

set_default_reader ?ver name sets new default reader. If version is not specified then the latest available version is used. Raises an exception if a reader with a given name doesn't exist.

val with_reader : ?ver:string -> string -> (unit -> 'a) -> 'a

with_reader ?ver name operation temporary sets a default reader to a reader with a specified name and version. The default reader is restored after operation is finished.

val available_writers : unit -> info list

available_writer () lists available writers for the data type

val default_writer : unit -> info

default_writer returns information about the default writer

val set_default_writer : ?ver:string -> string -> unit

set_default_writer ?ver name sets new default writer. If version is not specified then the latest available version is used. Raises an exception if a writer with a given name doesn't exist.

val with_writer : ?ver:string -> string -> (unit -> 'a) -> 'a

with_writer ?ver name operation temporary sets a default writer to a writer with a specified name and version. The default writer is restored after operation is finished.

val default_printer : unit -> info option

default_writer optionally returns an information about default printer

val set_default_printer : ?ver:string -> string -> unit

set_default_printer ?ver name sets new default printer. If version is not specified then the latest available version is used. Raises an exception if a printer with a given name doesn't exist.

val with_printer : ?ver:string -> string -> (unit -> 'a) -> 'a

with_printer ?ver name operation temporary sets a default printer to a printer with a specified name and version. The default printer is restored after operation is finished.

Low level access to serializers

val find_reader : ?ver:string -> string -> t Regular.Std.reader option

find_reader ?ver name lookups a reader with a given name. If version is not specified, then a reader with maximum version is returned.

val find_writer : ?ver:string -> string -> t Regular.Std.writer option

find_writer ?ver name lookups a writer with a given name. If version is not specified, then a writer with maximum version is returned.

On This Page

Attributes

package bap-std

Install

dune-project Dependency

Authors

Maintainers

Sources

doc/bap/Bap/Std/Arg/index.html

Module Std.Arg

Attributes

Low level access to serializers

dune-project
Dependency

Module `Std.Arg`