package libsail

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package libsail
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Module Libsail.VisitorSource

Sourcetype 'a visit_action =
  1. | SkipChildren
    (*

    Do not visit the children. Return the node as it is.

    *)
  2. | DoChildren
    (*

    Continue with the children of this node. Rebuild the node on return if any of the children changes (use == test)

    *)
  3. | DoChildrenPost of unit -> unit
    (*

    Continue with the chuldren of the node the same as DoChildren. However run the provided function after visiting the children

    *)
  4. | ChangeTo of 'a
    (*

    Replace the expression with the given one

    *)
  5. | ChangeDoChildrenPost of 'a * 'a -> 'a
    (*

    First consider that the entire exp is replaced by the first parameter. Then continue with the children. On return rebuild the node if any of the children has changed and then apply the function on the node

    *)

Different visiting actions. 'a will be instantiated with various AST types.

Sourceval do_visit : 'v -> 'a visit_action -> ('v -> 'a -> 'a) -> 'a -> 'a
Sourceval change_do_children : 'a -> 'a visit_action
Sourceval map_no_copy : ('a -> 'a) -> 'a list -> 'a list
Sourceval map_no_copy_list : ('a -> 'a list) -> 'a list -> 'a list
Sourceval map_no_copy_opt : ('a -> 'a) -> 'a option -> 'a option
Sourceval do_visit_list : 'v -> 'a list visit_action -> ('v -> 'a -> 'a) -> 'a -> 'a list