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ast_convenience_411.mli
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ast_convenience_411.mli
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open Migrate_parsetree.Ast_411
(* This file is part of the ppx_tools package. It is released *)
(* under the terms of the MIT license (see LICENSE file). *)
(* Copyright 2013 Alain Frisch and LexiFi *)
(** {1 Convenience functions to help build and deconstruct AST fragments.} *)
open Asttypes
open Ast_helper
open Parsetree
(** {2 Compatibility modules} *)
module Label : sig
type t = Asttypes.arg_label
type desc = Asttypes.arg_label =
Nolabel
| Labelled of string
| Optional of string
val explode : t -> desc
val nolabel : t
val labelled : string -> t
val optional : string -> t
end
(** {2 Provides a unified abstraction over differences in Parsetree.constant and Asttypes.constant
* types defined in ocaml 4.03 and 4.02 respectively}*)
module Constant : sig
type t = Parsetree.constant =
Pconst_integer of string * char option
| Pconst_char of char
| Pconst_string of string * Location.t * string option
| Pconst_float of string * char option
(** Convert Asttypes.constant to Constant.t *)
val of_constant : Parsetree.constant -> t
(** Convert Constant.t to Asttypes.constant *)
val to_constant : t -> Parsetree.constant
end
(** {2 Misc} *)
val lid: ?loc:loc -> string -> lid
(** {2 Expressions} *)
val evar: ?loc:loc -> ?attrs:attrs -> string -> expression
val let_in: ?loc:loc -> ?attrs:attrs -> ?recursive:bool -> value_binding list -> expression -> expression
val constr: ?loc:loc -> ?attrs:attrs -> string -> expression list -> expression
val record: ?loc:loc -> ?attrs:attrs -> ?over:expression -> (string * expression) list -> expression
val tuple: ?loc:loc -> ?attrs:attrs -> expression list -> expression
val nil: ?loc:loc -> ?attrs:attrs -> unit -> expression
val cons: ?loc:loc -> ?attrs:attrs -> expression -> expression -> expression
val list: ?loc:loc -> ?attrs:attrs -> expression list -> expression
val unit: ?loc:loc -> ?attrs:attrs -> unit -> expression
val func: ?loc:loc -> ?attrs:attrs -> (pattern * expression) list -> expression
val lam: ?loc:loc -> ?attrs:attrs -> ?label:Label.t -> ?default:expression -> pattern -> expression -> expression
val app: ?loc:loc -> ?attrs:attrs -> expression -> expression list -> expression
val str: ?loc:loc -> ?attrs:attrs -> string -> expression
val int: ?loc:loc -> ?attrs:attrs -> int -> expression
val int32: ?loc:loc -> ?attrs:attrs -> int32 -> expression
val int64: ?loc:loc -> ?attrs:attrs -> int64 -> expression
val char: ?loc:loc -> ?attrs:attrs -> char -> expression
val float: ?loc:loc -> ?attrs:attrs -> float -> expression
val sequence: ?loc:loc -> ?attrs:attrs -> expression list -> expression
(** Return [()] if the list is empty. Tail rec. *)
(** {2 Patterns} *)
val pvar: ?loc:loc -> ?attrs:attrs -> string -> pattern
val pconstr: ?loc:loc -> ?attrs:attrs -> string -> pattern list -> pattern
val precord: ?loc:loc -> ?attrs:attrs -> ?closed:closed_flag -> (string * pattern) list -> pattern
val ptuple: ?loc:loc -> ?attrs:attrs -> pattern list -> pattern
val pnil: ?loc:loc -> ?attrs:attrs -> unit -> pattern
val pcons: ?loc:loc -> ?attrs:attrs -> pattern -> pattern -> pattern
val plist: ?loc:loc -> ?attrs:attrs -> pattern list -> pattern
val pstr: ?loc:loc -> ?attrs:attrs -> string -> pattern
val pint: ?loc:loc -> ?attrs:attrs -> int -> pattern
val pchar: ?loc:loc -> ?attrs:attrs -> char -> pattern
val pfloat: ?loc:loc -> ?attrs:attrs -> float -> pattern
val punit: ?loc:loc -> ?attrs:attrs -> unit -> pattern
(** {2 Types} *)
val tconstr: ?loc:loc -> ?attrs:attrs -> string -> core_type list -> core_type
(** {2 AST deconstruction} *)
val get_str: expression -> string option
val get_str_with_quotation_delimiter: expression -> (string * string option) option
val get_lid: expression -> string option
val has_attr: string -> attributes -> bool
val find_attr: string -> attributes -> payload option
val find_attr_expr: string -> attributes -> expression option