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|
extern crate bindgen;
#[cfg(feature = "logging")]
extern crate env_logger;
#[macro_use]
#[cfg(feature = "logging")]
extern crate log;
extern crate clap;
use bindgen::clang_version;
use std::env;
use std::panic;
#[macro_use]
#[cfg(not(feature = "logging"))]
mod log_stubs;
mod options;
use crate::options::builder_from_flags;
fn clang_version_check() {
let version = clang_version();
let expected_version = if cfg!(feature = "testing_only_libclang_9") {
Some((9, 0))
} else if cfg!(feature = "testing_only_libclang_5") {
Some((5, 0))
} else if cfg!(feature = "testing_only_libclang_4") {
Some((4, 0))
} else if cfg!(feature = "testing_only_libclang_3_9") {
Some((3, 9))
} else {
None
};
info!(
"Clang Version: {}, parsed: {:?}",
version.full, version.parsed
);
if expected_version.is_some() {
// assert_eq!(version.parsed, version.parsed);
}
}
pub fn main() {
#[cfg(feature = "logging")]
env_logger::init();
match builder_from_flags(env::args()) {
Ok((builder, output, verbose)) => {
clang_version_check();
let builder_result = panic::catch_unwind(|| {
builder.generate().expect("Unable to generate bindings")
});
if builder_result.is_err() {
if verbose {
print_verbose_err();
}
std::process::exit(1);
}
let bindings = builder_result.unwrap();
bindings.write(output).expect("Unable to write output");
}
Err(error) => {
println!("{}", error);
std::process::exit(1);
}
};
}
fn print_verbose_err() {
println!("Bindgen unexpectedly panicked");
println!(
"This may be caused by one of the known-unsupported \
things (https://rust-lang.github.io/rust-bindgen/cpp.html), \
please modify the bindgen flags to work around it as \
described in https://rust-lang.github.io/rust-bindgen/cpp.html"
);
println!(
"Otherwise, please file an issue at \
https://github.com/rust-lang/rust-bindgen/issues/new"
);
}
#[cfg(test)]
mod test {
fn build_flags_output_helper(builder: &bindgen::Builder) {
let mut command_line_flags = builder.command_line_flags();
command_line_flags.insert(0, "bindgen".to_string());
let flags_quoted: Vec<String> = command_line_flags
.iter()
.map(|x| format!("{}", shlex::quote(x)))
.collect();
let flags_str = flags_quoted.join(" ");
println!("{}", flags_str);
let (builder, _output, _verbose) =
crate::options::builder_from_flags(command_line_flags.into_iter())
.unwrap();
builder.generate().expect("failed to generate bindings");
}
#[test]
fn commandline_multiple_headers() {
let bindings = bindgen::Builder::default()
.header("tests/headers/char.h")
.header("tests/headers/func_ptr.h")
.header("tests/headers/16-byte-alignment.h");
build_flags_output_helper(&bindings);
}
}
|
