1 files changed, 77 insertions, 0 deletions
diff --git a/bindgen-cli/main.rs b/bindgen-cli/main.rs
new file mode 100644
index 00000000..a61f67ad
--- /dev/null
+++ b/bindgen-cli/main.rs
@@ -0,0 +1,77 @@
+extern crate bindgen;
+extern crate clap;
+#[cfg(feature = "logging")]
+extern crate env_logger;
+#[cfg(feature = "logging")]
+extern crate log;
+
+use std::env;
+use std::panic;
+
+mod options;
+use crate::options::builder_from_flags;
+
+#[cfg(feature = "logging")]
+fn clang_version_check() {
+    let version = bindgen::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 {
+        None
+    };
+
+    log::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)) => {
+            #[cfg(feature = "logging")]
+            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"
+    );
+}