package frama-c

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package frama-c
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Handling errors.

module type S = sig ... end
module Make (P : sig ... end) : S

Functor to build an Error module for a given phase.

The Error module implements Error.S with no phase.

include S
type 'a result = ('a, exn) Stdlib.Result.t

Represent either a result of type 'a or an error with an exception.

exception Typing_error of Options.category option * string

Typing error where the first element is the phase where the error occured and the second element is the error message.

exception Not_yet of Options.category option * string

"Not yet supported" error where the first element is the phase where the error occured and the second element is the error message.

exception Not_memoized of Options.category option

"Not memoized" error with the phase where the error occured.

val make_untypable : string -> exn

Make a Typing_error exception with the given message.

val make_not_yet : string -> exn

Make a Not_yet exception with the given message.

val make_not_memoized : unit -> exn

Make a Not_memoized exception with the given message.

val untypable : string -> 'a
  • raises Typing_error

    with the given message for the current phase.

val not_yet : string -> 'a
  • raises Not_yet

    with the given message for the current phase.

val not_memoized : unit -> 'a
val print_not_yet : string -> unit

Print the "not yet supported" message without raising an exception.

val handle : ('a -> 'a) -> 'a -> 'a

Run the closure with the given argument and handle potential errors. Return the provide argument in case of errors.

val generic_handle : ('a -> 'b) -> 'b -> 'a -> 'b

Run the closure with the given argument and handle potential errors. Return the additional argument in case of errors.

val retrieve_preprocessing : string -> ('a -> 'b result) -> 'a -> (Stdlib.Format.formatter -> 'a -> unit) -> 'b

Retrieve the result of a preprocessing phase, which possibly failed. The string argument and the formatter are used to display a message in case the preprocessing phase did not compute the required result.

val pp_result : (Stdlib.Format.formatter -> 'a -> unit) -> Stdlib.Format.formatter -> 'a result -> unit

pp_result pp where pp is a formatter for 'a returns a formatter for 'a result.

val map : ('a -> 'b) -> 'a result -> 'b
val map2 : ('a -> 'b -> 'c) -> 'a result -> 'b result -> 'c
val map3 : ('a -> 'b -> 'c -> 'd) -> 'a result -> 'b result -> 'c result -> 'd

Apply a function to one or several results and propagate the errors

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