tools/osx/xcode_version_flag.bzl

# Copyright 2017 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.

"""Rules that allows select() to differentiate between Apple OS versions."""

def _xcode_version_flag_impl(ctx):
  """A rule that allows select() to differentiate between Xcode versions."""
  xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]

  return struct(providers = [
      config_common.FeatureFlagInfo(value = str(xcode_config.xcode_version()))])


def _ios_sdk_version_flag_impl(ctx):
  """A rule that allows select() to select based on the iOS SDK version."""
  xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]

  return struct(providers = [config_common.FeatureFlagInfo(value = str(
      xcode_config.sdk_version_for_platform(
          apple_common.platform.ios_device)))])


def _tvos_sdk_version_flag_impl(ctx):
  """A rule that allows select() to select based on the tvOS SDK version."""
  xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]

  return struct(providers = [config_common.FeatureFlagInfo(value = str(
      xcode_config.sdk_version_for_platform(
          apple_common.platform.tvos_device)))])


def _watchos_sdk_version_flag_impl(ctx):
  """A rule that allows select() to select based on the watchOS SDK version."""
  xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]

  return struct(providers = [config_common.FeatureFlagInfo(value = str(
      xcode_config.sdk_version_for_platform(
          apple_common.platform.watchos_device)))])


def _macos_sdk_version_flag_impl(ctx):
  """A rule that allows select() to select based on the macOS SDK version."""
  xcode_config = ctx.attr._xcode_config[apple_common.XcodeVersionConfig]

  return struct(providers = [config_common.FeatureFlagInfo(value = str(
      xcode_config.sdk_version_for_platform(
          apple_common.platform.macos_device)))])


xcode_version_flag = rule(
    implementation = _xcode_version_flag_impl,
    attrs = {
        "_xcode_config": attr.label(default=Label("//tools/osx:current_xcode_config")),
    })

ios_sdk_version_flag = rule(
    implementation = _ios_sdk_version_flag_impl,
    attrs = {
        "_xcode_config": attr.label(default=Label("//tools/osx:current_xcode_config")),
    })

tvos_sdk_version_flag = rule(
    implementation = _tvos_sdk_version_flag_impl,
    attrs = {
        "_xcode_config": attr.label(default=Label("//tools/osx:current_xcode_config")),
    })

watchos_sdk_version_flag = rule(
    implementation = _watchos_sdk_version_flag_impl,
    attrs = {
        "_xcode_config": attr.label(default=Label("//tools/osx:current_xcode_config")),
    })

macos_sdk_version_flag = rule(
    implementation = _macos_sdk_version_flag_impl,
    attrs = {
        "_xcode_config": attr.label(default=Label("//tools/osx:current_xcode_config")),
    })