| // 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.apple; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.events.Location; |
| import com.google.devtools.build.lib.packages.NativeProvider; |
| import com.google.devtools.build.lib.packages.Provider; |
| import com.google.devtools.build.lib.packages.SkylarkInfo; |
| import com.google.devtools.build.lib.packages.StructImpl; |
| import com.google.devtools.build.lib.skylarkbuildapi.apple.ApplePlatformApi; |
| import com.google.devtools.build.lib.skylarkbuildapi.apple.ApplePlatformTypeApi; |
| import com.google.devtools.build.lib.syntax.Printer; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import javax.annotation.Nullable; |
| |
| /** An enum that can be used to distinguish between various apple platforms. */ |
| @Immutable |
| public enum ApplePlatform implements ApplePlatformApi { |
| IOS_DEVICE("ios_device", "iPhoneOS", PlatformType.IOS, true), |
| IOS_SIMULATOR("ios_simulator", "iPhoneSimulator", PlatformType.IOS, false), |
| MACOS("macos", "MacOSX", PlatformType.MACOS, true), |
| TVOS_DEVICE("tvos_device", "AppleTVOS", PlatformType.TVOS, true), |
| TVOS_SIMULATOR("tvos_simulator", "AppleTVSimulator", PlatformType.TVOS, false), |
| WATCHOS_DEVICE("watchos_device", "WatchOS", PlatformType.WATCHOS, true), |
| WATCHOS_SIMULATOR("watchos_simulator", "WatchSimulator", PlatformType.WATCHOS, false); |
| |
| private static final ImmutableSet<String> IOS_SIMULATOR_TARGET_CPUS = |
| ImmutableSet.of("ios_x86_64", "ios_i386"); |
| private static final ImmutableSet<String> IOS_DEVICE_TARGET_CPUS = |
| ImmutableSet.of("ios_armv6", "ios_arm64", "ios_armv7", "ios_armv7s", "ios_arm64e"); |
| private static final ImmutableSet<String> WATCHOS_SIMULATOR_TARGET_CPUS = |
| ImmutableSet.of("watchos_i386", "watchos_x86_64"); |
| private static final ImmutableSet<String> WATCHOS_DEVICE_TARGET_CPUS = |
| ImmutableSet.of("watchos_armv7k", "watchos_arm64_32"); |
| private static final ImmutableSet<String> TVOS_SIMULATOR_TARGET_CPUS = |
| ImmutableSet.of("tvos_x86_64"); |
| private static final ImmutableSet<String> TVOS_DEVICE_TARGET_CPUS = |
| ImmutableSet.of("tvos_arm64"); |
| // "darwin" is included because that's currently the default when on macOS, and |
| // migrating it would be a breaking change more details: |
| // https://github.com/bazelbuild/bazel/pull/7062 |
| private static final ImmutableSet<String> MACOS_TARGET_CPUS = |
| ImmutableSet.of("darwin_x86_64", "darwin"); |
| |
| private static final ImmutableSet<String> BIT_32_TARGET_CPUS = |
| ImmutableSet.of("ios_i386", "ios_armv7", "ios_armv7s", "watchos_i386", "watchos_armv7k"); |
| |
| private final String skylarkKey; |
| private final String nameInPlist; |
| private final PlatformType platformType; |
| private final boolean isDevice; |
| |
| ApplePlatform( |
| String skylarkKey, String nameInPlist, PlatformType platformType, boolean isDevice) { |
| this.skylarkKey = skylarkKey; |
| this.nameInPlist = Preconditions.checkNotNull(nameInPlist); |
| this.platformType = platformType; |
| this.isDevice = isDevice; |
| } |
| |
| @Override |
| public PlatformType getType() { |
| return platformType; |
| } |
| |
| @Override |
| public boolean isDevice() { |
| return isDevice; |
| } |
| |
| @Override |
| public String getNameInPlist() { |
| return nameInPlist; |
| } |
| |
| /** |
| * Returns the name of the "platform" as it appears in the plist when it appears in all-lowercase. |
| */ |
| public String getLowerCaseNameInPlist() { |
| return nameInPlist.toLowerCase(Locale.US); |
| } |
| |
| @Nullable |
| private static ApplePlatform forTargetCpuNullable(String targetCpu) { |
| if (IOS_SIMULATOR_TARGET_CPUS.contains(targetCpu)) { |
| return IOS_SIMULATOR; |
| } else if (IOS_DEVICE_TARGET_CPUS.contains(targetCpu)) { |
| return IOS_DEVICE; |
| } else if (WATCHOS_SIMULATOR_TARGET_CPUS.contains(targetCpu)) { |
| return WATCHOS_SIMULATOR; |
| } else if (WATCHOS_DEVICE_TARGET_CPUS.contains(targetCpu)) { |
| return WATCHOS_DEVICE; |
| } else if (TVOS_SIMULATOR_TARGET_CPUS.contains(targetCpu)) { |
| return TVOS_SIMULATOR; |
| } else if (TVOS_DEVICE_TARGET_CPUS.contains(targetCpu)) { |
| return TVOS_DEVICE; |
| } else if (MACOS_TARGET_CPUS.contains(targetCpu)) { |
| return MACOS; |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns true if the platform for the given target cpu and platform type is a known 32-bit |
| * architecture. |
| * |
| * @param platformType platform type that the given cpu value is implied for |
| * @param arch architecture representation, such as 'arm64' |
| */ |
| public static boolean is32Bit(PlatformType platformType, String arch) { |
| return BIT_32_TARGET_CPUS.contains(cpuStringForTarget(platformType, arch)); |
| } |
| |
| /** |
| * Returns the platform cpu string for the given target cpu and platform type. |
| * |
| * @param platformType platform type that the given cpu value is implied for |
| * @param arch architecture representation, such as 'arm64' |
| */ |
| public static String cpuStringForTarget(PlatformType platformType, String arch) { |
| switch (platformType) { |
| case MACOS: |
| return String.format("darwin_%s", arch); |
| default: |
| return String.format("%s_%s", platformType.toString(), arch); |
| } |
| } |
| |
| /** |
| * Returns the platform for the given target cpu and platform type. |
| * |
| * @param platformType platform type that the given cpu value is implied for |
| * @param arch architecture representation, such as 'arm64' |
| * @throws IllegalArgumentException if there is no valid apple platform for the given target cpu |
| */ |
| public static ApplePlatform forTarget(PlatformType platformType, String arch) { |
| return forTargetCpu(cpuStringForTarget(platformType, arch)); |
| } |
| |
| /** |
| * Returns the platform for the given target cpu. |
| * |
| * @param targetCpu cpu value with platform type prefix, such as 'ios_arm64' |
| * @throws IllegalArgumentException if there is no valid apple platform for the given target cpu |
| */ |
| public static ApplePlatform forTargetCpu(String targetCpu) { |
| ApplePlatform platform = forTargetCpuNullable(targetCpu); |
| if (platform != null) { |
| return platform; |
| } else { |
| throw new IllegalArgumentException( |
| "No supported apple platform registered for target cpu " + targetCpu); |
| } |
| } |
| |
| /** |
| * Returns true if the given target cpu is an apple platform. |
| */ |
| public static boolean isApplePlatform(String targetCpu) { |
| return forTargetCpuNullable(targetCpu) != null; |
| } |
| |
| /** Returns a Skylark struct that contains the instances of this enum. */ |
| public static StructImpl getSkylarkStruct() { |
| Provider constructor = new NativeProvider<StructImpl>(StructImpl.class, "platforms") {}; |
| HashMap<String, Object> fields = new HashMap<>(); |
| for (ApplePlatform type : values()) { |
| fields.put(type.skylarkKey, type); |
| } |
| return SkylarkInfo.create(constructor, fields, Location.BUILTIN); |
| } |
| |
| @Override |
| public void repr(Printer printer) { |
| printer.append(toString()); |
| } |
| |
| /** Exception indicating an unknown or unsupported Apple platform type. */ |
| public static class UnsupportedPlatformTypeException extends Exception { |
| public UnsupportedPlatformTypeException(String msg) { |
| super(msg); |
| } |
| } |
| |
| /** |
| * Value used to describe Apple platform "type". A {@link ApplePlatform} is implied from a |
| * platform type (for example, watchOS) together with a cpu value (for example, armv7). |
| */ |
| // TODO(cparsons): Use these values in static retrieval methods in this class. |
| @Immutable |
| public enum PlatformType implements ApplePlatformTypeApi { |
| IOS("ios"), |
| WATCHOS("watchos"), |
| TVOS("tvos"), |
| MACOS("macos"); |
| |
| /** |
| * The key used to access the enum value as a field in the Skylark apple_common.platform_type |
| * struct. |
| */ |
| private final String skylarkKey; |
| |
| PlatformType(String skylarkKey) { |
| this.skylarkKey = skylarkKey; |
| } |
| |
| @Override |
| public String toString() { |
| return name().toLowerCase(); |
| } |
| |
| /** |
| * Returns the {@link PlatformType} with given name (case insensitive). |
| * |
| * @throws UnsupportedPlatformTypeException if the name does not match a valid platform type. |
| */ |
| public static PlatformType fromString(String name) throws UnsupportedPlatformTypeException { |
| for (PlatformType platformType : PlatformType.values()) { |
| if (name.equalsIgnoreCase(platformType.toString())) { |
| return platformType; |
| } |
| } |
| throw new UnsupportedPlatformTypeException( |
| String.format("Unsupported platform type \"%s\"", name)); |
| } |
| |
| /** Returns a Skylark struct that contains the instances of this enum. */ |
| public static StructImpl getSkylarkStruct() { |
| Provider constructor = new NativeProvider<StructImpl>(StructImpl.class, "platform_types") {}; |
| HashMap<String, Object> fields = new HashMap<>(); |
| for (PlatformType type : values()) { |
| fields.put(type.skylarkKey, type); |
| } |
| return SkylarkInfo.create(constructor, fields, Location.BUILTIN); |
| } |
| |
| @Override |
| public void repr(Printer printer) { |
| printer.append(toString()); |
| } |
| } |
| } |