Context.h

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//===- Context.h - Accelerator context --------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// DO NOT EDIT!
// This file is distributed as part of an ESI package. The source for this file
// should always be modified within CIRCT.
//
//===----------------------------------------------------------------------===//
 
// NOLINTNEXTLINE(llvm-header-guard)
#ifndef ESI_CONTEXT_H
#define ESI_CONTEXT_H
 
#include "esi/Types.h"
 
#include <exception>
#include <memory>
#include <optional>
 
namespace esi {
class AcceleratorConnection;
 
/// AcceleratorConnections, Accelerators, and Manifests must all share a
/// context. It owns all the types, uniquifying them.
class Context {
 
public:
  /// Resolve a type id to the type.
  std::optional<const Type *> getType(Type::ID id) const {
    if (auto f = types.find(id); f != types.end())
      return f->second.get();
    return std::nullopt;
  }
 
  /// Register a type with the context. Takes ownership of the pointer type.
  void registerType(Type *type);
 
  /// Connect to an accelerator backend.
  std::unique_ptr<AcceleratorConnection> connect(std::string backend,
                                                 std::string connection);
 
private:
  using TypeCache = std::map<Type::ID, std::unique_ptr<Type>>;
  TypeCache types;
};
 
} // namespace esi
 
#endif // ESI_CONTEXT_H