package wasmer

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package wasmer

wasmer
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- Sources
  - wasmer
    
    wasmer.ml

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Module `Wasmer.Func`Source

include module type of struct include DeclareType(Func_T) end

include module type of struct include DeclareOwn(Func_T) end

Sourceval name : string

The C name of the structure without the _t suffix.

Sourcetype t = DeclareOwn(Func_T).t

The C unique (abstract) base type for the structure. the structure type is therefore t structure.

Sourceval t : t Ctypes.structure Ctypes.typ

The Ctypes definition of the C structure.

This structure maintains an ownership status. See also WasmerBindings.OwnableObject.

include module type of struct include OwnableObject(O) end

Sourcetype s = DeclareType(Func_T).s

The owning structure type.

Sourceval make_new : unit -> s

Make a new owning structure from a new pointer.

Source

val make_from_raise : 
  DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr ->
  object_state ->
  s

Make a new owning structure from a pointer. See also WasmerBindings.OwnableObject.make_from_unsafe.

raises Returned_null
If the pointer is NULL

Source

val make_from_unsafe : 
  DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr ->
  object_state ->
  s

Make a new owning structure from a pointer. Does not raise an exception if NULL is given. See also WasmerBindings.OwnableObject.make_from_raise.

Source

val make_from_raise_data : 
  DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr ->
  object_state ->
  Func_T.d ->
  s

Make a new owning structure from a pointer, with an additional data. See also WasmerBindings.OwnableObject.make_from_unsafe_data.

raises Returned_null
If the pointer is NULL

Source

val make_from_unsafe_data : 
  DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr ->
  object_state ->
  Func_T.d ->
  s

Make a new owning structure from a pointer, with an additional data. Does not raise an exception if NULL is given. See also WasmerBindings.OwnableObject.make_from_raise_data.

Sourceval get_state : s -> object_state

Returns the current ownership state.

Sourceval lose_ownership : s -> unit

Sets the current ownership state to WasmerBindings.object_state.State_PassedAway. Ignores the current ownership.

Sourceval grab_ownership : s -> DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr

grab_ownership self gives the ownership of the pointed object to the caller code. It is equivalent to let p = get_ptr self in lose_ownership self; p, but with additional checks for the current ownership.

returns
The pointer

Sourceval gain_ownership_back : s -> DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr

Deletes the object if required, then sets the ownership to WasmerBindings.object_state.State_Owned and returns the pointer. This is only to be used in own-out function arguments in the C API or equivalent.

returns
A deleted or given-away pointer.

raises Invalid_access
If the current state is WasmerBindings.object_state.State_Dependent

Sourceval is_null : s -> bool

Returns Ctypes.is_null on the underlying pointer, ignoring the current ownership state.

Sourceval get_ptr : s -> DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr

Returns the underlying pointer, requiring a sufficient ownership state.

raises Invalid_access
If the current state is lower than WasmerBindings.object_state.State_RW

Sourceval get_ptr_const : s -> DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr

Returns the underlying pointer, requiring a sufficient ownership state.

raises Invalid_access
If the current state is lower than WasmerBindings.object_state.State_Const

Sourceval get_ptr_givenaway : s -> DeclareOwn(Func_T).t Ctypes.structure Ctypes.ptr

Inherently unsafe function that returns a given-away pointer.

raises Invalid_access
If the current state is not WasmerBindings.object_state.State_PassedAway

Sourceval delete : s -> unit

Frees the underlying pointer. A side effect is to mark the object as given away.

Sourcemodule V = DeclareType(Func_T).V

Sourcemodule Vec = DeclareType(Func_T).Vec

Sourceval duplicate : s -> s

Sourceval duplicate_unsafe : s -> s

Source

type capi_callback_t =
  Val.Vec.t Ctypes.structure Ctypes.ptr ->
  Val.Vec.t Ctypes.structure Ctypes.ptr ->
  Trap.t Ctypes.structure Ctypes.ptr

Source

type capi_callback_with_env_t =
  unit Ctypes.ptr ->
  Val.Vec.t Ctypes.structure Ctypes.ptr ->
  Val.Vec.t Ctypes.structure Ctypes.ptr ->
  Trap.t Ctypes.structure Ctypes.ptr

Sourceval capi_callback_t : capi_callback_t Ctypes.typ

Sourceval capi_callback_with_env_t : capi_callback_with_env_t Ctypes.typ

Sourcetype callback_t = Store.s -> Val.Vec.s -> Val.Vec.s -> Trap.s option

Source

type callback_with_env_t =
  Wasi_.Env_.s ->
  Val.Vec.s ->
  Val.Vec.s ->
  Trap.s option

Sourceval new_ : Store.s -> Functype.s -> callback_t -> s

Callbacks need to be stored somewhere so they do not get GC'd

Sourceval new_unsafe : Store.s -> Functype.s -> callback_t -> s

Source

val new_with_env : 
  Store.s ->
  Functype.s ->
  callback_with_env_t ->
  Wasi_.Env_.s ->
  (Wasi_.Env_.s -> unit) option ->
  s

Source

val new_with_env_unsafe : 
  Store.s ->
  Functype.s ->
  callback_with_env_t ->
  Wasi_.Env_.s ->
  (Wasi_.Env_.s -> unit) option ->
  s

Sourceval type_ : s -> Functype.s

Sourceval param_arity : s -> int

Sourceval result_arity : s -> int

Sourceval compatible_vectors : s -> Val.Vec.s -> Val.Vec.s -> (unit, bool) result

Sourceval call : s -> Val.Vec.s -> Val.Vec.s -> Trap.s option

Sourceval call_unsafe : s -> Val.Vec.s -> Val.Vec.s -> Trap.s

package wasmer

Module Wasmer.FuncSource

Module `Wasmer.Func`Source