Merge "Refactor queryview templates into a different file."
This commit is contained in:
Treehugger Robot
Gerrit Code Review
commit
fbb138cd7e
3 changed files with 125 additions and 109 deletions
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@ -27,6 +27,7 @@ bootstrap_go_binary {
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"main.go",
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"writedocs.go",
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"queryview.go",
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"queryview_templates.go",
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],
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testSrcs: [
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"queryview_test.go",
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@ -28,115 +28,6 @@ import (
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"github.com/google/blueprint/proptools"
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)
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const (
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// The default `load` preamble for every generated BUILD file.
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soongModuleLoad = `package(default_visibility = ["//visibility:public"])
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load("//build/bazel/queryview_rules:soong_module.bzl", "soong_module")
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`
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// A macro call in the BUILD file representing a Soong module, with space
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// for expanding more attributes.
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soongModuleTarget = `soong_module(
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name = "%s",
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module_name = "%s",
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module_type = "%s",
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module_variant = "%s",
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module_deps = %s,
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%s)`
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// A simple provider to mark and differentiate Soong module rule shims from
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// regular Bazel rules. Every Soong module rule shim returns a
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// SoongModuleInfo provider, and can only depend on rules returning
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// SoongModuleInfo in the `module_deps` attribute.
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providersBzl = `SoongModuleInfo = provider(
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fields = {
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"name": "Name of module",
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"type": "Type of module",
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"variant": "Variant of module",
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},
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)
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`
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// The soong_module rule implementation in a .bzl file.
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soongModuleBzl = `
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%s
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load("//build/bazel/queryview_rules:providers.bzl", "SoongModuleInfo")
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def _generic_soong_module_impl(ctx):
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return [
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SoongModuleInfo(
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name = ctx.attr.module_name,
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type = ctx.attr.module_type,
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variant = ctx.attr.module_variant,
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),
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]
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generic_soong_module = rule(
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implementation = _generic_soong_module_impl,
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attrs = {
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"module_name": attr.string(mandatory = True),
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"module_type": attr.string(mandatory = True),
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"module_variant": attr.string(),
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"module_deps": attr.label_list(providers = [SoongModuleInfo]),
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},
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)
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soong_module_rule_map = {
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%s}
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_SUPPORTED_TYPES = ["bool", "int", "string"]
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def _is_supported_type(value):
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if type(value) in _SUPPORTED_TYPES:
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return True
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elif type(value) == "list":
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supported = True
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for v in value:
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supported = supported and type(v) in _SUPPORTED_TYPES
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return supported
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else:
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return False
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# soong_module is a macro that supports arbitrary kwargs, and uses module_type to
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# expand to the right underlying shim.
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def soong_module(name, module_type, **kwargs):
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soong_module_rule = soong_module_rule_map.get(module_type)
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if soong_module_rule == None:
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# This module type does not have an existing rule to map to, so use the
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# generic_soong_module rule instead.
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generic_soong_module(
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name = name,
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module_type = module_type,
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module_name = kwargs.pop("module_name", ""),
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module_variant = kwargs.pop("module_variant", ""),
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module_deps = kwargs.pop("module_deps", []),
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)
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else:
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supported_kwargs = dict()
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for key, value in kwargs.items():
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if _is_supported_type(value):
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supported_kwargs[key] = value
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soong_module_rule(
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name = name,
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**supported_kwargs,
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)
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`
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// A rule shim for representing a Soong module type and its properties.
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moduleRuleShim = `
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def _%[1]s_impl(ctx):
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return [SoongModuleInfo()]
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%[1]s = rule(
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implementation = _%[1]s_impl,
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attrs = %[2]s
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)
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`
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)
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var (
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// An allowlist of prop types that are surfaced from module props to rule
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// attributes. (nested) dictionaries are notably absent here, because while
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124
cmd/soong_build/queryview_templates.go
Normal file
124
cmd/soong_build/queryview_templates.go
Normal file
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@ -0,0 +1,124 @@
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// Copyright 2020 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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const (
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// The default `load` preamble for every generated BUILD file.
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soongModuleLoad = `package(default_visibility = ["//visibility:public"])
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load("//build/bazel/queryview_rules:soong_module.bzl", "soong_module")
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`
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// A macro call in the BUILD file representing a Soong module, with space
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// for expanding more attributes.
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soongModuleTarget = `soong_module(
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name = "%s",
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module_name = "%s",
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module_type = "%s",
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module_variant = "%s",
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module_deps = %s,
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%s)`
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// A simple provider to mark and differentiate Soong module rule shims from
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// regular Bazel rules. Every Soong module rule shim returns a
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// SoongModuleInfo provider, and can only depend on rules returning
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// SoongModuleInfo in the `module_deps` attribute.
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providersBzl = `SoongModuleInfo = provider(
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fields = {
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"name": "Name of module",
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"type": "Type of module",
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"variant": "Variant of module",
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},
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)
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`
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// The soong_module rule implementation in a .bzl file.
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soongModuleBzl = `
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%s
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load("//build/bazel/queryview_rules:providers.bzl", "SoongModuleInfo")
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def _generic_soong_module_impl(ctx):
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return [
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SoongModuleInfo(
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name = ctx.attr.module_name,
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type = ctx.attr.module_type,
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variant = ctx.attr.module_variant,
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),
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]
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generic_soong_module = rule(
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implementation = _generic_soong_module_impl,
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attrs = {
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"module_name": attr.string(mandatory = True),
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"module_type": attr.string(mandatory = True),
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"module_variant": attr.string(),
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"module_deps": attr.label_list(providers = [SoongModuleInfo]),
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},
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)
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soong_module_rule_map = {
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%s}
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_SUPPORTED_TYPES = ["bool", "int", "string"]
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def _is_supported_type(value):
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if type(value) in _SUPPORTED_TYPES:
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return True
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elif type(value) == "list":
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supported = True
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for v in value:
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supported = supported and type(v) in _SUPPORTED_TYPES
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return supported
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else:
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return False
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# soong_module is a macro that supports arbitrary kwargs, and uses module_type to
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# expand to the right underlying shim.
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def soong_module(name, module_type, **kwargs):
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soong_module_rule = soong_module_rule_map.get(module_type)
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if soong_module_rule == None:
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# This module type does not have an existing rule to map to, so use the
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# generic_soong_module rule instead.
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generic_soong_module(
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name = name,
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module_type = module_type,
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module_name = kwargs.pop("module_name", ""),
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module_variant = kwargs.pop("module_variant", ""),
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module_deps = kwargs.pop("module_deps", []),
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)
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else:
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supported_kwargs = dict()
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for key, value in kwargs.items():
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if _is_supported_type(value):
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supported_kwargs[key] = value
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soong_module_rule(
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name = name,
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**supported_kwargs,
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)
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`
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// A rule shim for representing a Soong module type and its properties.
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moduleRuleShim = `
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def _%[1]s_impl(ctx):
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return [SoongModuleInfo()]
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%[1]s = rule(
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implementation = _%[1]s_impl,
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attrs = %[2]s
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)
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`
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)
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