InterfaceSupport.cpp

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//===- InterfaceSupport.cpp - MLIR Interface Support Classes --------------===//
//
// 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 file defines several support classes for defining interfaces.
//
//===----------------------------------------------------------------------===//
 
#include "mlir/Support/InterfaceSupport.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
 
#define DEBUG_TYPE "interfaces"
 
using namespace mlir;
 
detail::InterfaceMap::InterfaceMap(InterfaceMap &&) = default;
 
detail::InterfaceMap &detail::InterfaceMap::operator=(InterfaceMap &&rhs) {
  for (auto &it : interfaces)
    free(it.second);
  interfaces = std::move(rhs.interfaces);
  return *this;
}
 
detail::InterfaceMap::~InterfaceMap() {
  for (auto &it : interfaces)
    free(it.second);
}
 
void detail::InterfaceMap::insert(TypeID interfaceId, void *conceptImpl) {
  // Insert directly into the right position to keep the interfaces sorted.
  auto *it =
      llvm::lower_bound(interfaces, interfaceId, [](const auto &it, TypeID id) {
        return compare(it.first, id);
      });
  if (it != interfaces.end() && it->first == interfaceId) {
    LLVM_DEBUG(llvm::dbgs() << "Ignoring repeated interface registration\n");
    free(conceptImpl);
    return;
  }
  interfaces.insert(it, {interfaceId, conceptImpl});
}