llvm/mlir/lib/Dialect/SparseTensor/IR/Detail/DimLvlMapParser.h

//===- DimLvlMapParser.h - `DimLvlMap` parser -------------------*- 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
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_DIALECT_SPARSETENSOR_IR_DETAIL_DIMLVLMAPPARSER_H
#define MLIR_DIALECT_SPARSETENSOR_IR_DETAIL_DIMLVLMAPPARSER_H

#include "DimLvlMap.h"
#include "LvlTypeParser.h"

namespace mlir {
namespace sparse_tensor {
namespace ir_detail {

///
/// Parses the Sparse Tensor Encoding Attribute (STEA).
///
/// General syntax is as follows,
///
///   [s0, ...]     // optional forward decl sym-vars
///   {l0, ...}     // optional forward decl lvl-vars
///   (
///     d0 = ...,   // dim-var = dim-exp
///     ...
///   ) -> (
///     l0 = ...,   // lvl-var = lvl-exp
///     ...
///   )
///
/// with simplifications when variables are implicit.
///
class DimLvlMapParser final { … };

} // namespace ir_detail
} // namespace sparse_tensor
} // namespace mlir

#endif // MLIR_DIALECT_SPARSETENSOR_IR_DETAIL_DIMLVLMAPPARSER_H