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// 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.common.annotations.VisibleForTesting;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.rules.apple.AppleConfiguration;
import com.google.devtools.build.lib.rules.apple.ApplePlatform;
import com.google.devtools.build.lib.starlarkbuildapi.apple.AppleToolchainApi;
/**
* Utility class for resolving items for the Apple toolchain (such as common tool flags, and paths).
*/
@Immutable
public class AppleToolchain implements AppleToolchainApi<AppleConfiguration> {
// These next two strings are shared secrets with the xcrunwrapper.sh to allow
// expansion of DeveloperDir and SDKRoot and runtime, since they aren't known
// until compile time on any given build machine.
private static final String DEVELOPER_DIR = "__BAZEL_XCODE_DEVELOPER_DIR__";
private static final String SDKROOT_DIR = "__BAZEL_XCODE_SDKROOT__";
// These two paths are framework paths relative to SDKROOT.
@VisibleForTesting
public static final String DEVELOPER_FRAMEWORK_PATH = "/Developer/Library/Frameworks";
@VisibleForTesting
public static final String SYSTEM_FRAMEWORK_PATH = "/System/Library/Frameworks";
/** Returns the platform directory inside of Xcode for a platform name. */
public static String platformDir(String platformName) {
return developerDir() + "/Platforms/" + platformName + ".platform";
}
/**
* Returns the platform directory inside of Xcode for a given configuration.
*/
public static String sdkDir() {
return SDKROOT_DIR;
}
/**
* Returns the Developer directory inside of Xcode for a given configuration.
*/
public static String developerDir() {
return DEVELOPER_DIR;
}
/**
* Returns the platform frameworks directory inside of Xcode for a given {@link ApplePlatform}.
*/
public static String platformDeveloperFrameworkDir(ApplePlatform platform) {
String platformDir = platformDir(platform.getNameInPlist());
return platformDir + "/Developer/Library/Frameworks";
}
@Override
public boolean isImmutable() {
return true; // immutable and Starlark-hashable
}
/**
* Returns the platform directory inside of Xcode for a given configuration.
*/
@Override
public String sdkDirConstant() {
return sdkDir();
}
/**
* Returns the Developer directory inside of Xcode for a given configuration.
*/
@Override
public String developerDirConstant() {
return developerDir();
}
/**
* Returns the platform frameworks directory inside of Xcode for a given configuration.
*/
@Override
public String platformFrameworkDirFromConfig(AppleConfiguration configuration) {
return platformDeveloperFrameworkDir(configuration.getSingleArchPlatform());
}
}