/usr/lib/ocaml/atdgen/ag_util.mli is in libatdgen-ocaml-dev 1.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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type 'a ocaml_array = 'a array
(** An alias for OCaml's standard array type,
used in generated code. *)
module Biniou :
sig
type 'a reader = Bi_inbuf.t -> 'a
(** Type of a [read_] function as produced by [atdgen -biniou]. *)
type 'a writer = Bi_outbuf.t -> 'a -> unit
(** Type of a [write_] function as produced by [atdgen -biniou]. *)
val from_channel :
?len:int ->
?shrlen:int ->
'a reader -> in_channel -> 'a
(** Read a biniou value from a channel.
@param len input buffer length.
@param shrlen initial length of the table used to store shared values.
*)
val from_file :
?len:int ->
?shrlen:int ->
'a reader -> string -> 'a
(** Read a biniou value from a file.
@param len input buffer length.
@param shrlen initial length of the table used to store shared values.
*)
val to_channel :
?len:int ->
?shrlen:int ->
'a writer -> out_channel -> 'a -> unit
(** Write a biniou value to a channel.
@param len output buffer length.
@param shrlen initial length of the table used to store shared values.
*)
val to_file :
?len:int ->
?shrlen:int ->
'a writer -> string -> 'a -> unit
(** Write a biniou value to a file.
@param len output buffer length.
@param shrlen initial length of the table used to store shared values.
*)
end
module Json :
sig
type 'a reader = Yojson.Safe.lexer_state -> Lexing.lexbuf -> 'a
(** Type of a [read_] function as produced by [atdgen -json].
In versions of yojson greater than 1.0.1,
type [Yojson.Safe.lexer_state] is equivalent to
[Yojson.lexer_state], [Yojson.Basic.lexer_state] and
[Yojson.Raw.lexer_state]. *)
type 'a writer = Bi_outbuf.t -> 'a -> unit
(** Type of a [write_] function as produced by [atdgen -json]. *)
val from_lexbuf :
?stream:bool ->
'a reader -> Yojson.Safe.lexer_state -> Lexing.lexbuf -> 'a
(** Read a JSON value from a lexbuf.
@param stream if [true], the JSON parser will not try
to consume whitespace until the end of file.
Default is [false], which raises a [Yojson.Json_error]
exception if the valid JSON value is followed
by anything other than standard JSON whitespace.
*)
val from_string :
?buf:Bi_outbuf.t ->
?fname:string ->
?lnum:int ->
'a reader -> string -> 'a
(** Convert a JSON value from a string.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fname input file name to be used in error messages.
It does not have to be the name of a real file,
it can be something like ["<stdin>"].
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val from_channel :
?buf:Bi_outbuf.t ->
?fname:string ->
?lnum:int ->
'a reader -> in_channel -> 'a
(** Read a JSON value from a channel.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fname input file name to be used in error messages.
It does not have to be the name of a real file,
it can be something like ["<stdin>"].
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val from_file :
?buf:Bi_outbuf.t ->
?fname:string ->
?lnum:int ->
'a reader -> string -> 'a
(** Read a JSON value from a channel.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fname input file name to be used in error messages.
It is intended to represent the source file
if it is different from the input file.
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val stream_from_lexbuf :
?fin:(unit -> unit) ->
'a reader -> Yojson.Safe.lexer_state -> Lexing.lexbuf -> 'a Stream.t
(** Read a stream of JSON values from a lexbuf.
@param fin finalization function executed once when the end of the
stream is reached either because there is no more
input or because of an exception. This is typically
used to close the input channel, e.g.
[fun () -> close_in_noerr ic].
*)
val stream_from_string :
?buf:Bi_outbuf.t ->
?fin:(unit -> unit) ->
?fname:string ->
?lnum:int ->
'a reader -> string -> 'a Stream.t
(** Read a stream of JSON values from a channel.
Values do not have to be separated by newline characters.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fin finalization function executed once when the end of the
stream is reached either because there is no more
input or because of an exception. This is typically
used to free the underlying resources, if any.
@param fname input file name to be used in error messages.
It does not have to be the name of a real file,
it can be something like ["<stdin>"].
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val stream_from_channel :
?buf:Bi_outbuf.t ->
?fin:(unit -> unit) ->
?fname:string ->
?lnum:int ->
'a reader -> in_channel -> 'a Stream.t
(** Read a stream of JSON values from a channel.
Values do not have to be separated by newline characters.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fin finalization function executed once when the end of the
stream is reached either because there is no more
input or because of an exception. This is typically
used to close the input channel, e.g.
[fun () -> close_in_noerr ic].
@param fname input file name to be used in error messages.
It does not have to be the name of a real file,
it can be something like ["<stdin>"].
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val stream_from_file :
?buf:Bi_outbuf.t ->
?fin:(unit -> unit) ->
?fname:string ->
?lnum:int ->
'a reader -> string -> 'a Stream.t
(** Read a stream of JSON values from a file.
Values do not have to be separated by newline characters.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fin finalization function executed once when the end of the
stream is reached either because there is no more
input or because of an exception. This can be used
to remove the input file if it was temporary, e.g.
[fun () -> Sys.remove fname].
@param fname input file name to be used in error messages.
It is intended to represent the source file
if it is different from the input file.
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val list_from_string :
?buf:Bi_outbuf.t ->
?fin:(unit -> unit) ->
?fname:string ->
?lnum:int ->
'a reader -> string -> 'a list
(** Read a list of JSON values from a channel.
Values do not have to be separated by newline characters.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fin finalization function executed once when the end of the
stream is reached either because there is no more
input or because of an exception. This is typically
used to free the underlying resources, if any.
@param fname input file name to be used in error messages.
It does not have to be the name of a real file,
it can be something like ["<stdin>"].
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val list_from_channel :
?buf:Bi_outbuf.t ->
?fin:(unit -> unit) ->
?fname:string ->
?lnum:int ->
'a reader -> in_channel -> 'a list
(** Read a list of JSON values from a channel.
Values do not have to be separated by newline characters.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fin finalization function executed once when the end of the
stream is reached either because there is no more
input or because of an exception. This is typically
used to close the input channel, e.g.
[fun () -> close_in_noerr ic].
@param fname input file name to be used in error messages.
It does not have to be the name of a real file,
it can be something like ["<stdin>"].
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val list_from_file :
?buf:Bi_outbuf.t ->
?fname:string ->
?lnum:int ->
'a reader -> string -> 'a list
(** Read a list of JSON values from a file.
Values do not have to be separated by newline characters.
@param buf buffer used to accumulate string data
during the lexing phase.
@param fname input file name to be used in error messages.
It is intended to represent the source file
if it is different from the input file.
@param lnum line number to assign to the first line of input.
For example [lnum=10] means that an error on the first
line of input will be reported as an error on line 10.
Default: 1.
*)
val to_string :
?len:int ->
'a writer -> 'a -> string
(** Write a JSON value to a string.
@param len output buffer length.
*)
val to_channel :
?len:int ->
'a writer -> out_channel -> 'a -> unit
(** Write a JSON value to a channel.
@param len output buffer length.
*)
val to_file :
?len:int ->
'a writer -> string -> 'a -> unit
(** Write a JSON value to a file.
@param len output buffer length.
*)
val stream_to_string :
?len:int ->
?lf:string ->
'a writer -> 'a Stream.t -> string
(** Write a stream of values to a string.
@param len output buffer length.
@param lf additional element terminator. Default: ["\n"].
*)
val stream_to_channel :
?len:int ->
?lf:string ->
'a writer -> out_channel -> 'a Stream.t -> unit
(** Write a stream of values to a channel.
@param len output buffer length.
@param lf additional element terminator. Default: ["\n"].
*)
val stream_to_file :
?len:int ->
?lf:string ->
'a writer -> string -> 'a Stream.t -> unit
(** Write a stream of values to a file.
@param len output buffer length.
@param lf additional element terminator. Default: ["\n"].
*)
val list_to_string :
?len:int ->
?lf:string ->
'a writer -> 'a list -> string
(** Write a list of values to a string.
@param len output buffer length.
@param lf additional element terminator. Default: ["\n"].
*)
val list_to_channel :
?len:int ->
?lf:string ->
'a writer -> out_channel -> 'a list -> unit
(** Write a list of values to a channel.
@param len output buffer length.
@param lf additional element terminator. Default: ["\n"].
*)
val list_to_file :
?len:int ->
?lf:string ->
'a writer -> string -> 'a list -> unit
(** Write a list of values to a file.
@param len output buffer length.
@param lf additional element terminator. Default: ["\n"].
*)
val preset_unknown_field_handler : string -> string -> unit
(**
[preset_unknown_field_handler src_loc field_name]
raises a [Failure] exception with a message containing
the location of the type definition in the source ATD file
([src_loc]) and the name of the field ([field_name]).
*)
val unknown_field_handler : (string -> string -> unit) ref
(** Function called when an unknown JSON field is encountered if
the code was generated by atdgen -json-strict-fields.
Its preset behavior is to call [preset_unknown_field_handler]
which raises a [Failure] exception.
Usage: [!Ag_util.Json.unknown_field_handler src_loc field_name]
where [src_loc] is the location of the type definition
in the source ATD file and [field_name] is the unknown
JSON field name.
*)
end
module Validation :
sig
type path_elem = [ `Field of string | `Index of int ]
type path = path_elem list
(** Path within a value, used to report validation errors. *)
val string_of_path : path -> string
(** Reverse and concatenate a path into a string
such as [".settings.ports[0]"] *)
type error = {
error_path : path;
error_msg : string option;
}
val error : ?msg: string -> path -> error
val string_of_error : error -> string
end
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