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79 lines
2.6 KiB
Plaintext
79 lines
2.6 KiB
Plaintext
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# Copyright 2016 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Generates the FeatureProviders files for extension features files.
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# The following variables are required:
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# sources: The features.json files to use.
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# feature_type: The type of the features to generate, e.g. APIFeature.
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# provider_class: The name of the provider class to generate, e.g.
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# APIFeatureProvider.
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# deps/public_deps/visibility: normal meaning
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template("json_features") {
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assert(defined(invoker.sources),
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"\"sources\" must be defined for the $target_name template.")
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assert(defined(invoker.feature_type),
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"\"feature_type\" must be defined for the $target_name template.")
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assert(defined(invoker.provider_class),
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"\"provider_class\" must be defined for the $target_name template.")
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feature_type = invoker.feature_type
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provider_class = invoker.provider_class
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compiler_root = "//tools/json_schema_compiler"
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base_filename = target_name
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action_name = "${target_name}_json_features"
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source_set_name = target_name
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generated_files = [
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"$target_gen_dir/$base_filename.cc",
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"$target_gen_dir/$base_filename.h",
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]
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action(action_name) {
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visibility = [ ":$source_set_name" ]
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sources = invoker.sources
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script = "$compiler_root/feature_compiler.py"
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inputs = [
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"$compiler_root/code.py",
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"$compiler_root/json_parse.py",
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]
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outputs = generated_files
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rebased = rebase_path(sources, root_build_dir)
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args = [
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".",
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"$feature_type",
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"$provider_class",
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rebase_path(target_gen_dir, root_build_dir),
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"$base_filename",
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] + rebased
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# Add the deps in for the action as well, in case the deps generate the
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# inputs used by the action.
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forward_variables_from(invoker,
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[
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"deps",
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"public_deps",
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])
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}
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source_set(target_name) {
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sources = generated_files
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forward_variables_from(invoker,
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[
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"deps",
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"public_deps",
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"visibility",
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])
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if (!defined(public_deps)) {
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public_deps = []
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}
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public_deps += [ ":$action_name" ]
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# Append a dependency on the extensions system. Headers in this target
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# are included by the feature compiler automatically.
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if (!defined(deps)) {
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deps = []
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}
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deps += [ "//extensions/common" ]
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}
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}
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