91 lines
3.2 KiB
Diff
91 lines
3.2 KiB
Diff
diff --git a/android/bindgen_cmd/Android.bp b/android/bindgen_cmd/Android.bp
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new file mode 100644
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index 0000000..689e7ae
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--- /dev/null
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+++ b/android/bindgen_cmd/Android.bp
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@@ -0,0 +1,28 @@
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+package {
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+ // See: http://go/android-license-faq
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+ // A large-scale-change added 'default_applicable_licenses' to import
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+ // all of the 'license_kinds' from "external_rust_crates_bindgen_license"
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+ // to get the below license kinds:
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+ // SPDX-license-identifier-Apache-2.0
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+ default_applicable_licenses: ["external_rust_crates_bindgen_license"],
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+}
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+
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+rust_library_host {
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+ name: "libbindgen_cmd",
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+ crate_name: "bindgen_cmd",
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+ srcs: ["src/lib.rs"],
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+ edition: "2018",
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+ features: [
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+ "clap",
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+ "runtime",
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+ "which",
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+ "which-rustfmt",
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+ ],
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+ rustlibs: [
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+ "libbindgen",
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+ "libbindgen_cli",
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+ "libclap",
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+ "libenv_logger",
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+ ],
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+ compile_multilib: "first",
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+}
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diff --git a/android/bindgen_cmd/src/lib.rs b/android/bindgen_cmd/src/lib.rs
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new file mode 100644
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index 0000000..d33da7f
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--- /dev/null
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+++ b/android/bindgen_cmd/src/lib.rs
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@@ -0,0 +1,50 @@
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+// Copyright 2020, The Android Open Source Project
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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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+
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+//! This is a helper crate for using bindgen as a library from within
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+//! Android's build system. Some functionality (such as the type selection
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+//! heuristic) is not available on the command line, and so the library
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+//! interface may be necessary. Bindgen also needs to receive configuration
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+//! from Soong however to find appropriate headers, set global cflags, etc.
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+//!
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+//! This crate provides the ability to run a hooked version of the command
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+//! line bindgen tool, with the ability to call a user-provided transformation
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+//! on the the builder before it is used.
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+
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+use bindgen;
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+use bindgen_cli;
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+use std::env;
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+
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+/// Takes in a function describing adjustments to make to a builder
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+/// initialized by the command line. `build(|x| x)` is equivalent to
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+/// running bindgen. When converting a build.rs, you will want to convert the
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+/// additional configuration they do into a function, then pass it to `build`
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+/// inside your main function.
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+pub fn build<C: FnOnce(bindgen::Builder) -> bindgen::Builder>(configure: C) {
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+ env_logger::init();
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+
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+ match bindgen_cli::builder_from_flags(env::args()) {
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+ Ok((builder, output, _)) => {
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+ configure(builder)
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+ .generate()
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+ .expect("Unable to generate bindings")
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+ .write(output)
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+ .expect("Unable to write output");
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+ }
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+ Err(error) => {
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+ eprintln!("{}", error);
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+ std::process::exit(1);
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+ }
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+ };
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+}
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