105 lines
3.2 KiB
Plaintext
105 lines
3.2 KiB
Plaintext
# Copyright 2019 The Dawn Authors
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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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import("../scripts/dawn_overrides_with_defaults.gni")
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import("generator_lib.gni")
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# Template to help invoking Dawn code generators based on generator_lib
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#
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# dawn_generator("my_target_gen") {
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# # The script and generator specific arguments
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# script = [ "my_awesome_generator.py" ]
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# args = [
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# "--be-awesome",
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# "yes"
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# ]
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#
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# # The list of expected outputs, generation fails if there's a mismatch
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# outputs = [
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# "MyAwesomeTarget.cpp",
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# "MyAwesomeTarget.h",
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# ]
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# }
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#
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# Using the generated files is done like so:
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#
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# shared_library("my_target") {
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# deps = [ ":my_target_gen "]
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# sources = get_target_outputs(":my_target_gen")
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# }
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#
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template("dawn_generator") {
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generator_lib_action(target_name) {
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forward_variables_from(invoker, "*", [ "script" ])
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script = get_path_info(invoker.script, "abspath")
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# Set arguments required to find the python libraries for the generator
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generator_lib_dir = get_path_info("${dawn_root}/generator", "abspath")
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jinja2_path = dawn_jinja2_dir
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# Force Dawn's autogenerated file structure to mirror exactly the source
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# tree but start at ${dawn_gen_root} instead of ${dawn_root}
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custom_gen_dir = dawn_gen_root
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}
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}
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# Helper generator for calling the generator from dawn.json
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#
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# dawn_json_generator("my_target_gen") {
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# # Which generator target to output
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# target = "my_target"
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#
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# # Also supports `outputs` and `custom_gen_dir` like dawn_generator.
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# }
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template("dawn_json_generator") {
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dawn_generator(target_name) {
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script = "${dawn_root}/generator/dawn_json_generator.py"
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# The base arguments for the generator: from this dawn.json, generate this
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# target using templates in this directory.
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args = [
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"--dawn-json",
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rebase_path("${dawn_root}/dawn.json", root_build_dir),
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"--wire-json",
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rebase_path("${dawn_root}/dawn_wire.json", root_build_dir),
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"--targets",
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invoker.target,
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]
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forward_variables_from(invoker, "*", [ "target" ])
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}
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}
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template("dawn_json_lpm_generator") {
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dawn_generator(target_name) {
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script = "${dawn_root}/generator/dawn_json_generator.py"
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# The base arguments for the generator: from this dawn.json, generate this
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# target using templates in this directory.
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args = [
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"--dawn-json",
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rebase_path("${dawn_root}/dawn.json", root_build_dir),
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"--wire-json",
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rebase_path("${dawn_root}/dawn_wire.json", root_build_dir),
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"--lpm-json",
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rebase_path("${dawn_root}/src/dawn/fuzzers/lpmfuzz/dawn_lpm.json",
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root_build_dir),
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"--targets",
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invoker.target,
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]
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forward_variables_from(invoker, "*", [ "target" ])
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}
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}
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