Attrs.td

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//===-- Attrs.td -------------------------------------------*- tablegen -*-===//
//
// Part of the LLZK Project, under the Apache License v2.0.
// See LICENSE.txt for license information.
// Copyright 2025 Veridise Inc.
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
 
#ifndef LLZK_FELT_ATTRS
#define LLZK_FELT_ATTRS
 
include "llzk/Dialect/Felt/IR/Dialect.td"
include "llzk/Dialect/LLZK/IR/AttributeHelper.td"
 
include "mlir/IR/AttrTypeBase.td"
include "mlir/IR/BuiltinAttributeInterfaces.td"
 
def LLZK_FeltConstAttr
    : AttrDef<FeltDialect, "FeltConst", [TypedAttrInterface]> {
  let mnemonic = "const";
  let summary = "finite field element";
  let description = [{
    A felt attribute represents a finite field element.
  }];
 
  let parameters = (ins APIntParameter<"The felt constant value">:$value);
 
  let returnType = "::llvm::APInt";
  let convertFromStorage = "$_self.getValue()";
 
  let assemblyFormat = [{ $value }];
 
  let builders =
      [AttrBuilder<(ins "unsigned":$numBits, "::llvm::StringRef":$str), [{
      return $_get(context, ::llvm::APInt(numBits, str, 10));
    }]>,
       AttrBuilder<
           (ins "unsigned":$numBits, "::llvm::ArrayRef<uint64_t>":$parts), [{
      return $_get(context, ::llvm::APInt(numBits, parts));
    }]>];
 
  let extraClassDeclaration = [{
    ::mlir::Type getType() const;
  }];
}
 
#endif // LLZK_FELT_ATTRS