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# Copyright 2019 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.
"""Defines the emulator_toolchain rule to allow configuring emulator binaries to use."""
EmulatorInfo = provider(
doc = "Information used to launch a specific version of the emulator.",
fields = {
"emulator": "A label for the emulator launcher executable at stable version.",
"emulator_deps": "Additional files required to launch the stable version of emulator.",
"emulator_suffix": "An optional path suffix used to find emulator binary under the emulator label path",
},
)
def _emulator_toolchain_impl(ctx):
toolchain_info = platform_common.ToolchainInfo(
info = EmulatorInfo(
emulator = ctx.attr.emulator,
emulator_deps = ctx.attr.emulator_deps,
emulator_suffix = ctx.attr.emulator_suffix,
),
)
return [toolchain_info]
emulator_toolchain = rule(
implementation = _emulator_toolchain_impl,
attrs = {
"emulator": attr.label(
allow_files = True,
cfg = "host",
mandatory = True,
),
"emulator_deps": attr.label_list(
allow_files = True,
cfg = "host",
),
"emulator_head": attr.label(
allow_files = True,
cfg = "host",
),
"emulator_head_deps": attr.label_list(
allow_files = True,
cfg = "host",
),
"emulator_suffix": attr.string(default = ""),
"emulator_head_suffix": attr.string(default = ""),
},
)
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