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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Generate C++ and JavaScript source files from mojom files. The output files
# will go under the generated file directory tree with the same path as each
# input file.
#
# Parameters:
#
# sources (required)
# List of source .mojom files to compile.
#
# deps (optional)
# Note: this can contain only other mojom targets.
#
# public_deps (optional)
# Note: this can contain only other mojom targets.
#
# testonly (optional)
#
# visibility (optional)
template("mojom") {
assert(defined(invoker.sources),
"\"sources\" must be defined for the $target_name template.")
generator_root = "//mojo/public/tools/bindings"
generator_script = "$generator_root/mojom_bindings_generator.py"
generator_sources = [
generator_script,
"$generator_root/generators/cpp_templates/enum_declaration.tmpl",
"$generator_root/generators/cpp_templates/interface_declaration.tmpl",
"$generator_root/generators/cpp_templates/interface_definition.tmpl",
"$generator_root/generators/cpp_templates/interface_macros.tmpl",
"$generator_root/generators/cpp_templates/interface_proxy_declaration.tmpl",
"$generator_root/generators/cpp_templates/interface_request_validator_declaration.tmpl",
"$generator_root/generators/cpp_templates/interface_response_validator_declaration.tmpl",
"$generator_root/generators/cpp_templates/interface_stub_declaration.tmpl",
"$generator_root/generators/cpp_templates/module.cc.tmpl",
"$generator_root/generators/cpp_templates/module.h.tmpl",
"$generator_root/generators/cpp_templates/module-internal.h.tmpl",
"$generator_root/generators/cpp_templates/params_definition.tmpl",
"$generator_root/generators/cpp_templates/struct_declaration.tmpl",
"$generator_root/generators/cpp_templates/struct_definition.tmpl",
"$generator_root/generators/cpp_templates/struct_serialization_declaration.tmpl",
"$generator_root/generators/cpp_templates/struct_serialization_definition.tmpl",
"$generator_root/generators/cpp_templates/struct_macros.tmpl",
"$generator_root/generators/cpp_templates/wrapper_class_declaration.tmpl",
"$generator_root/generators/cpp_templates/wrapper_class_definition.tmpl",
"$generator_root/generators/java_templates/constant_definition.tmpl",
"$generator_root/generators/java_templates/constants.java.tmpl",
"$generator_root/generators/java_templates/enum.java.tmpl",
"$generator_root/generators/java_templates/enum_definition.tmpl",
"$generator_root/generators/java_templates/header.java.tmpl",
"$generator_root/generators/java_templates/interface.java.tmpl",
"$generator_root/generators/java_templates/interface_definition.tmpl",
"$generator_root/generators/java_templates/interface_internal.java.tmpl",
"$generator_root/generators/java_templates/struct.java.tmpl",
"$generator_root/generators/java_templates/struct_definition.tmpl",
"$generator_root/generators/js_templates/enum_definition.tmpl",
"$generator_root/generators/js_templates/interface_definition.tmpl",
"$generator_root/generators/js_templates/module.amd.tmpl",
"$generator_root/generators/js_templates/module.sky.tmpl",
"$generator_root/generators/js_templates/module_definition.tmpl",
"$generator_root/generators/js_templates/struct_definition.tmpl",
"$generator_root/generators/python_templates/module_macros.tmpl",
"$generator_root/generators/python_templates/module.py.tmpl",
"$generator_root/generators/mojom_cpp_generator.py",
"$generator_root/generators/mojom_js_generator.py",
"$generator_root/generators/mojom_java_generator.py",
"$generator_root/generators/mojom_python_generator.py",
"$generator_root/pylib/mojom/__init__.py",
"$generator_root/pylib/mojom/error.py",
"$generator_root/pylib/mojom/generate/__init__.py",
"$generator_root/pylib/mojom/generate/data.py",
"$generator_root/pylib/mojom/generate/generator.py",
"$generator_root/pylib/mojom/generate/module.py",
"$generator_root/pylib/mojom/generate/pack.py",
"$generator_root/pylib/mojom/generate/template_expander.py",
"$generator_root/pylib/mojom/parse/__init__.py",
"$generator_root/pylib/mojom/parse/ast.py",
"$generator_root/pylib/mojom/parse/lexer.py",
"$generator_root/pylib/mojom/parse/parser.py",
"$generator_root/pylib/mojom/parse/translate.py",
]
generator_cpp_outputs = [
"{{source_gen_dir}}/{{source_name_part}}.mojom.cc",
"{{source_gen_dir}}/{{source_name_part}}.mojom.h",
"{{source_gen_dir}}/{{source_name_part}}.mojom-internal.h",
]
generator_java_outputs = [
"{{source_gen_dir}}/{{source_name_part}}.mojom.srcjar",
]
generator_js_outputs = [
"{{source_gen_dir}}/{{source_name_part}}.mojom.js",
]
generator_python_outputs = [
"{{source_gen_dir}}/{{source_name_part}}_mojom.py",
]
if (defined(invoker.visibility)) {
# Need to save this because the the target_name is overwritten inside the
# action to be that of the action itself. Only define this in the case the
# var is used to avoid unused var error.
target_visibility = [ ":$target_name" ]
}
generator_target_name = target_name + "__generator"
action_foreach(generator_target_name) {
if (defined(invoker.visibility)) {
visibility = target_visibility + invoker.visibility
}
script = generator_script
inputs = generator_sources
sources = invoker.sources
outputs = generator_cpp_outputs +
generator_java_outputs +
generator_js_outputs +
generator_python_outputs
args = [
"{{source}}",
"--use_chromium_bundled_pylibs",
"-d", rebase_path("//", root_build_dir),
"-I", rebase_path("//", root_build_dir),
"-o", rebase_path(root_gen_dir),
]
}
source_set(target_name) {
if (defined(invoker.visibility)) {
visibility = invoker.visibility
}
if (defined(invoker.testonly)) {
testonly = invoker.testonly
}
sources = process_file_template(invoker.sources, generator_cpp_outputs)
data = process_file_template(invoker.sources, generator_js_outputs)
deps = [
":$generator_target_name",
"//mojo/public/cpp/bindings",
]
if (defined(invoker.deps)) {
deps += invoker.deps
}
if (defined(invoker.public_deps)) {
public_deps = invoker.public_deps
}
}
all_deps = []
if (defined(invoker.deps)) {
all_deps += invoker.deps
}
if (defined(invoker.public_deps)) {
all_deps += invoker.public_deps
}
group("${target_name}__is_mojom") {
}
# Explicitly ensure that all dependencies (invoker.deps and
# invoker.public_deps) are mojom targets themselves.
group("${target_name}__check_deps_are_all_mojom") {
deps = []
foreach(d, all_deps) {
name = get_label_info(d, "label_no_toolchain")
toolchain = get_label_info(d, "toolchain")
deps += [ "${name}__is_mojom(${toolchain})" ]
}
}
if (is_android) {
import("//build/config/android/rules.gni")
java_target_name = target_name + "_java"
android_library(java_target_name) {
deps = [
"//mojo/public/java:bindings",
"//mojo/public/java:system",
]
foreach(d, all_deps) {
# Resolve the name, so that a target //mojo/something becomes
# //mojo/something:something and we can append "_java" to get the java
# dependency name.
full_name = get_label_info(d, "label_no_toolchain")
deps += [ "${full_name}_java" ]
}
srcjars = process_file_template(invoker.sources, generator_java_outputs)
}
}
}
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