RTGModule.cpp

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//===- RTGModule.cpp - RTG API nanobind module ----------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
 
#include "CIRCTModules.h"
 
#include "circt-c/Dialect/RTG.h"
 
#include "mlir/Bindings/Python/NanobindAdaptors.h"
 
#include <nanobind/nanobind.h>
 
namespace nb = nanobind;
 
using namespace circt;
using namespace mlir::python::nanobind_adaptors;
 
/// Populate the rtg python module.
void circt::python::populateDialectRTGSubmodule(nb::module_ &m) {
  m.doc() = "RTG dialect Python native extension";
 
  mlir_type_subclass(m, "SequenceType", rtgTypeIsASequence)
      .def_classmethod(
          "get",
          [](nb::object cls, std::vector<MlirType> &elementTypes,
             MlirContext ctxt) {
            return cls(rtgSequenceTypeGet(ctxt, elementTypes.size(),
                                          elementTypes.data()));
          },
          nb::arg("self"), nb::arg("elementTypes") = std::vector<MlirType>(),
          nb::arg("ctxt") = nullptr)
      .def_property_readonly(
          "num_elements",
          [](MlirType self) { return rtgSequenceTypeGetNumElements(self); })
      .def("get_element", [](MlirType self, unsigned i) {
        return rtgSequenceTypeGetElement(self, i);
      });
 
  mlir_type_subclass(m, "RandomizedSequenceType", rtgTypeIsARandomizedSequence)
      .def_classmethod(
          "get",
          [](nb::object cls, MlirContext ctxt) {
            return cls(rtgRandomizedSequenceTypeGet(ctxt));
          },
          nb::arg("self"), nb::arg("ctxt") = nullptr);
 
  mlir_type_subclass(m, "LabelType", rtgTypeIsALabel)
      .def_classmethod(
          "get",
          [](nb::object cls, MlirContext ctxt) {
            return cls(rtgLabelTypeGet(ctxt));
          },
          nb::arg("self"), nb::arg("ctxt") = nullptr);
 
  mlir_type_subclass(m, "SetType", rtgTypeIsASet)
      .def_classmethod(
          "get",
          [](nb::object cls, MlirType elementType) {
            return cls(rtgSetTypeGet(elementType));
          },
          nb::arg("self"), nb::arg("element_type"));
 
  mlir_type_subclass(m, "BagType", rtgTypeIsABag)
      .def_classmethod(
          "get",
          [](nb::object cls, MlirType elementType) {
            return cls(rtgBagTypeGet(elementType));
          },
          nb::arg("self"), nb::arg("element_type"));
 
  mlir_type_subclass(m, "DictType", rtgTypeIsADict)
      .def_classmethod(
          "get",
          [](nb::object cls, MlirContext ctxt,
             const std::vector<std::pair<MlirAttribute, MlirType>> &entries) {
            std::vector<MlirAttribute> names;
            std::vector<MlirType> types;
            for (auto entry : entries) {
              names.push_back(entry.first);
              types.push_back(entry.second);
            }
            return cls(
                rtgDictTypeGet(ctxt, types.size(), names.data(), types.data()));
          },
          nb::arg("self"), nb::arg("ctxt") = nullptr,
          nb::arg("entries") =
              std::vector<std::pair<MlirAttribute, MlirType>>());
 
  nb::enum_<RTGLabelVisibility>(m, "LabelVisibility")
      .value("LOCAL", RTG_LABEL_VISIBILITY_LOCAL)
      .value("GLOBAL", RTG_LABEL_VISIBILITY_GLOBAL)
      .value("EXTERNAL", RTG_LABEL_VISIBILITY_EXTERNAL)
      .export_values();
 
  mlir_attribute_subclass(m, "LabelVisibilityAttr",
                          rtgAttrIsALabelVisibilityAttr)
      .def_classmethod(
          "get",
          [](nb::object cls, RTGLabelVisibility visibility, MlirContext ctxt) {
            return cls(rtgLabelVisibilityAttrGet(ctxt, visibility));
          },
          nb::arg("self"), nb::arg("visibility"), nb::arg("ctxt") = nullptr)
      .def_property_readonly("value", [](MlirAttribute self) {
        return rtgLabelVisibilityAttrGetValue(self);
      });
}