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# Copyright 2022 Google LLC. 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.
"""A rule for declaring and passing kotlinc plugins."""
load("//:visibility.bzl", "RULES_KOTLIN")
_KtCompilerPluginInfo = provider(
doc = "Info for running a plugin that directly registers itself to kotlinc extension points",
fields = dict(
plugin_id = "string",
jar = "File",
args = "list[string]",
),
)
KtCompilerPluginInfo, _make_kt_compiler_plugin_info = (_KtCompilerPluginInfo, _KtCompilerPluginInfo)
def _kt_compiler_plugin_impl(ctx):
return [
JavaPluginInfo(
runtime_deps = [],
processor_class = None,
),
_make_kt_compiler_plugin_info(
plugin_id = ctx.attr.plugin_id,
jar = ctx.file.jar or ctx.attr.jar[JavaInfo].output_jar,
args = [
"plugin:%s:%s=%s" % (ctx.attr.plugin_id, k, v)
for (k, v) in ctx.attr.args.items()
],
),
]
kt_compiler_plugin = rule(
implementation = _kt_compiler_plugin_impl,
attrs = dict(
plugin_id = attr.string(
doc = "ID used to register this plugin with kotlinc",
mandatory = True,
),
jar = attr.label(
doc = "JAR that provides the plugin implementation",
mandatory = True,
allow_single_file = [".jar"],
cfg = "exec",
),
args = attr.string_dict(
doc = """Args to pass to the plugin
The rule impl will format key-value pairs for the koltinc
CLI. All plugin invocations will receive the same args.
""",
default = {},
),
),
provides = [
JavaPluginInfo, # Allow this rule to be passed to java rules
KtCompilerPluginInfo,
],
)
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