dawn-cmake/generator/dawn_generator.gni
Corentin Wallez 05623df97f BUILD.gn: Add a check generated files are in allowed dirs.
This is important so that we know that the list of allowed directories
is in sync with other parts of the build in follow-up commits.

BUG=dawn:22

Change-Id: I202bec55b510989e43acf497956e2937c9a2f60a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/11360
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-09-18 23:19:31 +00:00

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# Copyright 2019 The Dawn Authors
#
# 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.
import("../scripts/dawn_overrides_with_defaults.gni")
import("generator_lib.gni")
dawn_allowed_gen_output_dirs = [
"src/dawn/",
"src/dawn_native/",
"src/dawn_native/opengl/",
"src/dawn_wire/client/",
"src/dawn_wire/server/",
"src/dawn_wire/",
"src/include/dawn/",
]
# Template to help invoking Dawn code generators based on generator_lib
#
# dawn_generator("my_target_gen") {
# # The script and generator specific arguments
# script = [ "my_awesome_generator.py" ]
# args = [
# "--be-awesome",
# "yes"
# ]
#
# # The list of expected outputs, generation fails if there's a mismatch
# outputs = [
# "MyAwesomeTarget.cpp",
# "MyAwesomeTarget.h",
# ]
#
# # Optional, use a custom generated file directory.
# custom_gen_dir = "${target_gen_dir}/.."
# }
#
# Using the generated files is done like so:
#
# shared_library("my_target") {
# deps = [ ":my_target_gen "]
# sources = get_target_outputs(":my_target_gen")
# }
#
template("dawn_generator") {
generator_lib_action(target_name) {
forward_variables_from(invoker, "*")
generator_lib_dir = "${dawn_root}/generator"
jinja2_path = dawn_jinja2_dir
allowed_output_dirs = dawn_allowed_gen_output_dirs
}
}
# Helper generator for calling the generator from dawn.json
#
# dawn_json_generator("my_target_gen") {
# # Which generator target to output
# target = "my_target"
#
# # Also supports `outputs` and `custom_gen_dir` like dawn_generator.
# }
template("dawn_json_generator") {
dawn_generator(target_name) {
script = "${dawn_root}/generator/dawn_json_generator.py"
# The base arguments for the generator: from this dawn.json, generate this
# target using templates in this directory.
args = [
"--dawn-json",
rebase_path("${dawn_root}/dawn.json", root_build_dir),
"--wire-json",
rebase_path("${dawn_root}/dawn_wire.json", root_build_dir),
"--targets",
invoker.target,
]
forward_variables_from(invoker, "*", [ "target" ])
}
}