llvm/mlir/include/mlir/Bytecode/BytecodeImplementation.h

//===- BytecodeImplementation.h - MLIR Bytecode Implementation --*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This header defines various interfaces and utilities necessary for dialects
// to hook into bytecode serialization.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_BYTECODE_BYTECODEIMPLEMENTATION_H
#define MLIR_BYTECODE_BYTECODEIMPLEMENTATION_H

#include "mlir/IR/Attributes.h"
#include "mlir/IR/Diagnostics.h"
#include "mlir/IR/Dialect.h"
#include "mlir/IR/DialectInterface.h"
#include "mlir/IR/OpImplementation.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Twine.h"

namespace mlir {
//===--------------------------------------------------------------------===//
// Dialect Version Interface.
//===--------------------------------------------------------------------===//

/// This class is used to represent the version of a dialect, for the purpose
/// of polymorphic destruction.
class DialectVersion { … };

//===----------------------------------------------------------------------===//
// DialectBytecodeReader
//===----------------------------------------------------------------------===//

/// This class defines a virtual interface for reading a bytecode stream,
/// providing hooks into the bytecode reader. As such, this class should only be
/// derived and defined by the main bytecode reader, users (i.e. dialects)
/// should generally only interact with this class via the
/// BytecodeDialectInterface below.
class DialectBytecodeReader { … };

//===----------------------------------------------------------------------===//
// DialectBytecodeWriter
//===----------------------------------------------------------------------===//

/// This class defines a virtual interface for writing to a bytecode stream,
/// providing hooks into the bytecode writer. As such, this class should only be
/// derived and defined by the main bytecode writer, users (i.e. dialects)
/// should generally only interact with this class via the
/// BytecodeDialectInterface below.
class DialectBytecodeWriter { … };

//===----------------------------------------------------------------------===//
// BytecodeDialectInterface
//===----------------------------------------------------------------------===//

class BytecodeDialectInterface
    : public DialectInterface::Base<BytecodeDialectInterface> { … };

/// Helper for resource handle reading that returns LogicalResult.
template <typename T, typename... Ts>
static LogicalResult readResourceHandle(DialectBytecodeReader &reader,
                                        FailureOr<T> &value, Ts &&...params) { … }

/// Helper method that injects context only if needed, this helps unify some of
/// the attribute construction methods.
template <typename T, typename... Ts>
auto get(MLIRContext *context, Ts &&...params) { … }

} // namespace mlir

#endif // MLIR_BYTECODE_BYTECODEIMPLEMENTATION_H