fe3e643fee
Updated the uniffi-bindgen-gecko-js code to use two things I've been experimenting with: * Use the IR pipeline code to generate the structs used to render the templates. * A new test fixture for bindings generators. This one targets bindings generators specifically, it doesn't try test the scaffolding code and it's not based on real-world example code. I originally thought it would be a single crate, but I ended up needed 2 in order to test external types. (https://bugzilla.mozilla.org/show_bug.cgi?id=1948961) Differential Revision: https://phabricator.services.mozilla.com/D242385
156 lines
4.5 KiB
Python
156 lines
4.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import argparse
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import os
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import subprocess
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from enum import Enum
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from mach.decorators import Command, CommandArgument, SubCommand
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CPP_PATH = "toolkit/components/uniffi-js/GeneratedScaffolding.cpp"
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JS_DIR = "toolkit/components/uniffi-bindgen-gecko-js/components/generated"
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FIXTURE_JS_DIR = "toolkit/components/uniffi-bindgen-gecko-js/tests/generated"
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DOCS_PATH = "docs/rust-components/api/js/"
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"""Library to generate bindings from"""
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class SourceLibrary(Enum):
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GKRUST_UNIFFI_COMPONENTS = "gkrust-uniffi-components"
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UNIFFI_BINDINGS_BINDGEN_TESTS = "uniffi-bindgen-gecko-js-test-fixtures"
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def cargo_args_for_library(source_library):
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if source_library == SourceLibrary.GKRUST_UNIFFI_COMPONENTS:
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return []
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elif source_library == SourceLibrary.UNIFFI_BINDINGS_BINDGEN_TESTS:
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return ["--all-features"]
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raise ValueError(source_library)
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def build_gkrust_uniffi_library(command_context, source_library):
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uniffi_root = crate_root(command_context)
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print("Building gkrust-uniffi-components")
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cmdline = [
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"cargo",
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"build",
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"--release",
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"--manifest-path",
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os.path.join(command_context.topsrcdir, "Cargo.toml"),
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"--package",
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source_library.value,
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] + cargo_args_for_library(source_library)
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print(cmdline)
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subprocess.check_call(cmdline, cwd=uniffi_root)
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print()
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out_dir = os.path.join(command_context.topsrcdir, "target", "release")
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lib_basename = "lib{}".format(source_library.value.replace("-", "_"))
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for ext in [".a", ".so", ".dll", ".dylib"]:
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candidate = os.path.join(out_dir, lib_basename + ext)
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if os.path.exists(candidate):
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return candidate
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raise Exception(f"Can't find gkrust_uniffi library in {out_dir}")
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def build_uniffi_bindgen_gecko_js(command_context):
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uniffi_root = crate_root(command_context)
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print("Building uniffi-bindgen-gecko-js")
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cmdline = [
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"cargo",
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"build",
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"--release",
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"--manifest-path",
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os.path.join(command_context.topsrcdir, "Cargo.toml"),
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"--package",
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"uniffi-bindgen-gecko-js",
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]
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subprocess.check_call(cmdline, cwd=uniffi_root)
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print()
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return os.path.join(
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command_context.topsrcdir, "target", "release", "uniffi-bindgen-gecko-js"
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)
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@Command(
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"uniffi",
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category="devenv",
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description="Generate JS bindings using uniffi-bindgen-gecko-js",
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)
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def uniffi(command_context, *runargs, **lintargs):
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"""Run uniffi."""
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command_context._sub_mach(["help", "uniffi"])
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return 1
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def crate_root(command_context):
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return os.path.join(
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command_context.topsrcdir, "toolkit", "components", "uniffi-bindgen-gecko-js"
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)
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@SubCommand(
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"uniffi",
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"generate",
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description="Generate/regenerate bindings",
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)
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def generate_command(command_context):
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library_path = build_gkrust_uniffi_library(
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command_context,
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SourceLibrary.GKRUST_UNIFFI_COMPONENTS,
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)
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fixtures_library_path = build_gkrust_uniffi_library(
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command_context,
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SourceLibrary.UNIFFI_BINDINGS_BINDGEN_TESTS,
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)
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binary_path = build_uniffi_bindgen_gecko_js(command_context)
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cmdline = [
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binary_path,
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"--library-path",
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library_path,
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"--fixtures-library-path",
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fixtures_library_path,
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"generate",
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"--js-dir",
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JS_DIR,
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"--fixture-js-dir",
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FIXTURE_JS_DIR,
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"--cpp-path",
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CPP_PATH,
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"--docs-path",
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DOCS_PATH,
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]
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subprocess.check_call(cmdline, cwd=command_context.topsrcdir)
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return 0
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@SubCommand(
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"uniffi",
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"pipeline",
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description="Inspect UniFFI bindings pipeline",
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)
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@CommandArgument("args", nargs=argparse.REMAINDER)
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def pipeline_command(command_context, args):
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library_path = build_gkrust_uniffi_library(
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command_context,
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SourceLibrary.GKRUST_UNIFFI_COMPONENTS,
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)
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fixtures_library_path = build_gkrust_uniffi_library(
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command_context,
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SourceLibrary.UNIFFI_BINDINGS_BINDGEN_TESTS,
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)
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binary_path = build_uniffi_bindgen_gecko_js(command_context)
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cmdline = [
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binary_path,
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"--library-path",
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library_path,
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"--fixtures-library-path",
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fixtures_library_path,
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"pipeline",
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] + args
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subprocess.check_call(cmdline, cwd=command_context.topsrcdir)
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return 0
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