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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import subprocess
from mach.decorators import Command, SubCommand
# IMPORTANT: Please Request review from a DOM peer before
# committing to using UniFFI. There are other ways to consume Rust from
# JavaScript that might fit your use case better.
UDL_FILES = [
"third_party/rust/tabs/src/tabs.udl",
]
FIXTURE_UDL_FILES = [
"third_party/rust/uniffi-example-geometry/src/geometry.udl",
"third_party/rust/uniffi-example-arithmetic/src/arithmetic.udl",
"third_party/rust/uniffi-example-rondpoint/src/rondpoint.udl",
"third_party/rust/uniffi-example-sprites/src/sprites.udl",
"third_party/rust/uniffi-example-todolist/src/todolist.udl",
"toolkit/components/uniffi-fixture-callbacks/src/callbacks.udl",
"toolkit/components/uniffi-example-custom-types/src/custom-types.udl",
"toolkit/components/uniffi-fixture-external-types/src/external-types.udl",
]
CPP_PATH = "toolkit/components/uniffi-js/UniFFIGeneratedScaffolding.cpp"
JS_DIR = "toolkit/components/uniffi-bindgen-gecko-js/components/generated"
FIXTURE_CPP_PATH = "toolkit/components/uniffi-js/UniFFIFixtureScaffolding.cpp"
FIXTURE_JS_DIR = "toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated"
def build_uniffi_bindgen_gecko_js(command_context):
uniffi_root = crate_root(command_context)
print("Building uniffi-bindgen-gecko-js")
cmdline = [
"cargo",
"build",
"--release",
"--manifest-path",
os.path.join(command_context.topsrcdir, "Cargo.toml"),
"--package",
"uniffi-bindgen-gecko-js",
]
subprocess.check_call(cmdline, cwd=uniffi_root)
print()
return os.path.join(
command_context.topsrcdir, "target", "release", "uniffi-bindgen-gecko-js"
)
@Command(
"uniffi",
category="devenv",
description="Generate JS bindings using uniffi-bindgen-gecko-js",
)
def uniffi(command_context, *runargs, **lintargs):
"""Run uniffi."""
command_context._sub_mach(["help", "uniffi"])
return 1
@SubCommand(
"uniffi",
"generate",
description="Generate/regenerate bindings",
)
def generate_command(command_context):
binary_path = build_uniffi_bindgen_gecko_js(command_context)
cmdline = [
binary_path,
"--js-dir",
JS_DIR,
"--fixture-js-dir",
FIXTURE_JS_DIR,
"--cpp-path",
CPP_PATH,
"--fixture-cpp-path",
FIXTURE_CPP_PATH,
]
if UDL_FILES:
cmdline += ["--udl-files"] + UDL_FILES
if FIXTURE_UDL_FILES:
cmdline += ["--fixture-udl-files"] + FIXTURE_UDL_FILES
subprocess.check_call(cmdline, cwd=command_context.topsrcdir)
return 0
def crate_root(command_context):
return os.path.join(
command_context.topsrcdir, "toolkit", "components", "uniffi-bindgen-gecko-js"
)
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