Crate nu_plugin_engine 

Provides functionality for running Nushell plugins from a Nushell engine.

Structs

PersistentPlugin

A box that can keep a plugin that was spawned persistent for further uses. The plugin may or may not be currently running. .get() gets the currently running plugin, or spawns it if it’s not running.

PluginCustomValueWithSource

Wraps a PluginCustomValue together with its PluginSource, so that the CustomValue methods can be implemented by calling the plugin, and to ensure that any custom values sent to a plugin came from it originally.

PluginDeclaration

The command declaration proxy used within the engine for all plugin commands.

PluginExecutionCommandContext

The execution context of a plugin command. Can be borrowed.

PluginGc

Plugin garbage collector

PluginInterfaceManager

Manages reading and dispatching messages for [PluginInterface]s.

PluginSource

The source of a custom value or plugin command. Includes a weak reference to the persistent plugin so it can be retrieved.

Traits

GetPlugin

Anything that can produce a plugin interface.

PluginExecutionContext

Object safe trait for abstracting operations required of the plugin context.

WithSource

Helper trait for adding a source to a PluginCustomValue

Functions

add_plugin_to_working_set

Find PersistentPlugin with the given identity in the working_set, or construct it if it doesn’t exist.

create_command

Spawn the command for a plugin, in the given mode. After spawning, it can be passed to make_plugin_interface() to get a [PluginInterface].

get_plugin_encoding

Determine the plugin’s encoding from a freshly opened stream.

load_plugin_file

Load the definitions from the plugin file into the engine state

load_plugin_registry_item

Load a definition from the plugin file into the engine state

make_plugin_interface

Create a plugin interface from a spawned child process.

make_plugin_interface_with_streams

Create a plugin interface from low-level components.