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(***********************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
open Format
(* Accessors for the table of toplevel value bindings. These functions
must appear as first and second exported functions in this module.
(See module Translmod.) *)
val getvalue : string -> Obj.t
val setvalue : string -> Obj.t -> unit
(* Set the load paths, before running anything *)
val set_paths : unit -> unit
(* The interactive toplevel loop *)
val loop : formatter -> unit
(* Read and execute a script from the given file *)
val run_script : formatter -> string -> string array -> bool
(* true if successful, false if error *)
(* Interface with toplevel directives *)
type directive_fun =
| Directive_none of (unit -> unit)
| Directive_string of (string -> unit)
| Directive_int of (int -> unit)
| Directive_ident of (Longident.t -> unit)
| Directive_bool of (bool -> unit)
val directive_table : (string, directive_fun) Hashtbl.t
(* Table of known directives, with their execution function *)
val toplevel_env : Env.t ref
(* Typing environment for the toplevel *)
val initialize_toplevel_env : unit -> unit
(* Initialize the typing environment for the toplevel *)
val print_exception_outcome : formatter -> exn -> unit
(* Print an exception resulting from the evaluation of user code. *)
val execute_phrase : bool -> formatter -> Parsetree.toplevel_phrase -> bool
(* Execute the given toplevel phrase. Return [true] if the
phrase executed with no errors and [false] otherwise.
First bool says whether the values and types of the results
should be printed. Uncaught exceptions are always printed. *)
val use_file : formatter -> string -> bool
val use_silently : formatter -> string -> bool
val mod_use_file : formatter -> string -> bool
(* Read and execute commands from a file.
[use_file] prints the types and values of the results.
[use_silently] does not print them.
[mod_use_file] wrap the file contents into a module. *)
val eval_path: Env.t -> Path.t -> Obj.t
(* Return the toplevel object referred to by the given path *)
(* Printing of values *)
val print_value: Env.t -> Obj.t -> formatter -> Types.type_expr -> unit
val print_untyped_exception: formatter -> Obj.t -> unit
val install_printer :
Path.t -> Types.type_expr -> (formatter -> Obj.t -> unit) -> unit
val remove_printer : Path.t -> unit
val max_printer_depth: int ref
val max_printer_steps: int ref
(* Hooks for external parsers and printers *)
val parse_toplevel_phrase : (Lexing.lexbuf -> Parsetree.toplevel_phrase) ref
val parse_use_file : (Lexing.lexbuf -> Parsetree.toplevel_phrase list) ref
val print_location : formatter -> Location.t -> unit
val print_error : formatter -> Location.t -> unit
val print_warning : Location.t -> formatter -> Warnings.t -> unit
val input_name : string ref
val print_out_value :
(formatter -> Outcometree.out_value -> unit) ref
val print_out_type :
(formatter -> Outcometree.out_type -> unit) ref
val print_out_class_type :
(formatter -> Outcometree.out_class_type -> unit) ref
val print_out_module_type :
(formatter -> Outcometree.out_module_type -> unit) ref
val print_out_sig_item :
(formatter -> Outcometree.out_sig_item -> unit) ref
val print_out_signature :
(formatter -> Outcometree.out_sig_item list -> unit) ref
val print_out_phrase :
(formatter -> Outcometree.out_phrase -> unit) ref
(* Hooks for external line editor *)
val read_interactive_input : (string -> bytes -> int -> int * bool) ref
(* Hooks for initialization *)
val toplevel_startup_hook : (unit -> unit) ref
(* Used by Trace module *)
val may_trace : bool ref
|
