// Copyright 2020 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package protoreflect

import (

	"google.golang.org/protobuf/internal/pragma"

)

// The following types are used by the fast-path Message.ProtoMethods method.

//

// To avoid polluting the public protoreflect API with types used only by

// low-level implementations, the canonical definitions of these types are

// in the runtime/protoiface package. The definitions here and in protoiface

// must be kept in sync.

type (

	methods = struct {

		pragma.NoUnkeyedLiterals

		Flags            supportFlags

		Size             func(sizeInput) sizeOutput

		Marshal          func(marshalInput) (marshalOutput, error)

		Unmarshal        func(unmarshalInput) (unmarshalOutput, error)

		Merge            func(mergeInput) mergeOutput

		CheckInitialized func(checkInitializedInput) (checkInitializedOutput, error)

	}

	supportFlags = uint64

	sizeInput    = struct {

		pragma.NoUnkeyedLiterals

		Message Message

		Flags   uint8

	}

	sizeOutput = struct {

		pragma.NoUnkeyedLiterals

		Size int

	}

	marshalInput = struct {

		pragma.NoUnkeyedLiterals

		Message Message

		Buf     []byte

		Flags   uint8

	}

	marshalOutput = struct {

		pragma.NoUnkeyedLiterals

		Buf []byte

	}

	unmarshalInput = struct {

		pragma.NoUnkeyedLiterals

		Message  Message

		Buf      []byte

		Flags    uint8

		Resolver interface {

			FindExtensionByName(field FullName) (ExtensionType, error)

			FindExtensionByNumber(message FullName, field FieldNumber) (ExtensionType, error)

		}

	}

	unmarshalOutput = struct {

		pragma.NoUnkeyedLiterals

		Flags uint8

	}

	mergeInput = struct {

		pragma.NoUnkeyedLiterals

		Source      Message

		Destination Message

	}

	mergeOutput = struct {

		pragma.NoUnkeyedLiterals

		Flags uint8

	}

	checkInitializedInput = struct {

		pragma.NoUnkeyedLiterals

		Message Message

	}

	checkInitializedOutput = struct {

		pragma.NoUnkeyedLiterals

	}

)