/*
 * Copyright 2017-present Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package com.facebook.buck.rules.coercer;

import com.facebook.buck.io.ProjectFilesystem;
import com.facebook.buck.rules.CellPathResolver;
import com.facebook.buck.rules.macros.Macro;
import com.google.common.collect.ImmutableList;
import java.nio.file.Path;

/** Base class for coercing a macro name and arguments into a typed {@link Macro}. */
interface MacroTypeCoercer<T extends Macro> {

  boolean hasElementClass(Class<?>[] types);

  Class<T> getOutputClass();

  void traverse(T macro, TypeCoercer.Traversal traversal);

  T coerce(
      CellPathResolver cellRoots,
      ProjectFilesystem filesystem,
      Path pathRelativeToProjectRoot,
      ImmutableList<String> args)
      throws CoerceFailedException;
}