src/main/java/com/google/devtools/build/lib/rules/objc/ObjcRuleClasses.java

// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.rules.objc;

import com.google.devtools.build.lib.util.FileType;
import com.google.devtools.build.lib.util.FileTypeSet;

/** Shared rule classes and associated utility code for Objective-C rules. */
public class ObjcRuleClasses {
  static final String STRIP = "strip";

  private ObjcRuleClasses() {
    throw new UnsupportedOperationException("static-only");
  }
  /** Attribute name for a dummy target in a child configuration. */
  static final String CHILD_CONFIG_ATTR = "$child_configuration_dummy";


  /** Iff a file matches this type, it is considered to use C++. */
  static final FileType CPP_SOURCES = FileType.of(".cc", ".cpp", ".mm", ".cxx", ".C");

  static final FileType NON_CPP_SOURCES = FileType.of(".m", ".c");

  static final FileType ASSEMBLY_SOURCES = FileType.of(".s", ".S", ".asm");

  static final FileType OBJECT_FILE_SOURCES = FileType.of(".o");

  /** Files that should actually be compiled. */
  static final FileTypeSet COMPILABLE_SRCS_TYPE =
      FileTypeSet.of(NON_CPP_SOURCES, CPP_SOURCES, ASSEMBLY_SOURCES);

  /**
   * Files that are already compiled.
   */
  static final FileTypeSet PRECOMPILED_SRCS_TYPE = FileTypeSet.of(OBJECT_FILE_SOURCES);
}