feat: enable host function namespaces, add CompiledPlugin

Gemfile

@@ -12,5 +12,5 @@ group :development do
   gem 'debug'
   gem 'minitest', '~> 5.20.0'
   gem 'rufo', '~> 0.13.0'
-  gem 'yard', '~> 0.9.28'
+  gem 'yard', '~> 0.9.36'
 end

lib/extism/libextism.rb

@@ -60,13 +60,17 @@ class ExtismFunction < FFI::Struct
     attach_function :extism_function_free, [:pointer], :void
     attach_function :extism_function_set_namespace, %i[pointer string], :void
     attach_function :extism_plugin_new, %i[pointer ExtismSize pointer ExtismSize bool pointer], :pointer
+    attach_function :extism_plugin_new_from_compiled, %i[pointer pointer], :pointer
+    attach_function :extism_compiled_plugin_new, %i[pointer ExtismSize pointer ExtismSize bool pointer], :pointer
     attach_function :extism_plugin_new_error_free, [:pointer], :void
     attach_function :extism_plugin_free, [:pointer], :void
+    attach_function :extism_compiled_plugin_free, [:pointer], :void
     attach_function :extism_plugin_cancel_handle, [:pointer], :pointer
     attach_function :extism_plugin_cancel, [:pointer], :bool
     attach_function :extism_plugin_config, %i[pointer pointer ExtismSize], :bool
     attach_function :extism_plugin_function_exists, %i[pointer string], :bool
     attach_function :extism_plugin_call, %i[pointer string pointer ExtismSize], :int32
+    attach_function :extism_plugin_call_with_host_context, %i[pointer string pointer ExtismSize pointer], :int32
     attach_function :extism_error, [:pointer], :string
     attach_function :extism_plugin_error, [:pointer], :string
     attach_function :extism_plugin_output_length, [:pointer], :ExtismSize

lib/extism/wasm.rb

@@ -70,10 +70,12 @@ class Function
     # @param params [Array[Extism::ValType]] An array of val types matching the import's params
     # @param returns [Array[Extism::ValType]] An array of val types matching the import returns
     # @param func_proc [Proc] A proc that will be executed when the host function is executed
+    # @param namespace [String] The Wasm namespace that will be used for the function
     # @param user_data [Object] Any reference to object you want to be passed back to you when the func is invoked
     # @param on_free [Proc] A proc triggered when this function is freed by the runtime. Not guaranteed to trigger.
-    def initialize(name, params, returns, func_proc, user_data: nil, on_free: nil)
+    def initialize(name, params, returns, func_proc, namespace: "extism:host/user", user_data: nil, on_free: nil)
       @name = name
+      @namespace = namespace
       @params = params
       @returns = returns
       @func = func_proc
@@ -93,6 +95,7 @@ def pointer
       returns = LibExtism.from_int_array(@returns)
       @_pointer = LibExtism.extism_function_new(@name, args, @params.length, returns, @returns.length, c_func, free,
                                                 nil)
+      LibExtism.extism_function_set_namespace(@_pointer, @namespace)
       $FUNCTIONS[object_id] = { function: @_pointer}
       ObjectSpace.define_finalizer(self, $FREE_FUNCTION)
       return @_pointer