diff options
| -rw-r--r-- | src/lib.rs | 28 | ||||
| -rw-r--r-- | tests/expectations/tests/test_multiple_header_calls_in_builder.rs | 17 | ||||
| -rw-r--r-- | tests/tests.rs | 26 |
3 files changed, 70 insertions, 1 deletions
@@ -416,8 +416,34 @@ impl Builder { output_vector } - /// Set the input C/C++ header. + /// Add an input C/C++ header to generate bindings for. + /// + /// This can be used to generate bindings to a single header: + /// + /// ```ignore + /// let bindings = bindgen::Builder::default() + /// .header("input.h") + /// .generate() + /// .unwrap(); + /// ``` + /// + /// Or you can invoke it multiple times to generate bindings to multiple + /// headers: + /// + /// ```ignore + /// let bindings = bindgen::Builder::default() + /// .header("first.h") + /// .header("second.h") + /// .header("third.h") + /// .generate() + /// .unwrap(); + /// ``` pub fn header<T: Into<String>>(mut self, header: T) -> Builder { + if let Some(prev_header) = self.options.input_header.take() { + self.options.clang_args.push("-include".into()); + self.options.clang_args.push(prev_header); + } + let header = header.into(); self.options.input_header = Some(header); self diff --git a/tests/expectations/tests/test_multiple_header_calls_in_builder.rs b/tests/expectations/tests/test_multiple_header_calls_in_builder.rs new file mode 100644 index 00000000..58ec6fff --- /dev/null +++ b/tests/expectations/tests/test_multiple_header_calls_in_builder.rs @@ -0,0 +1,17 @@ +/* automatically generated by rust-bindgen */ + +extern "C" { + #[link_name = "foo"] + pub static mut foo: + ::std::option::Option<unsafe extern "C" fn(x: + ::std::os::raw::c_int, + y: + ::std::os::raw::c_int) + -> ::std::os::raw::c_int>; +} +#[repr(u32)] +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] +pub enum Foo { Bar = 0, Qux = 1, } +#[repr(i32)] +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] +pub enum Neg { MinusOne = -1, One = 1, } diff --git a/tests/tests.rs b/tests/tests.rs index bb965bd7..c7e03cb5 100644 --- a/tests/tests.rs +++ b/tests/tests.rs @@ -160,3 +160,29 @@ extern \"C\" { } "); } + +#[test] +fn test_multiple_header_calls_in_builder() { + let actual = builder() + .header(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/headers/func_ptr.h")) + .header(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/headers/enum.h")) + .generate() + .unwrap() + .to_string(); + + let expected = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/expectations/tests/test_multiple_header_calls_in_builder.rs")); + + if actual != expected { + println!("Generated bindings differ from expected!"); + + for diff in diff::lines(&actual, &expected) { + match diff { + diff::Result::Left(l) => println!("-{}", l), + diff::Result::Both(l, _) => println!(" {}", l), + diff::Result::Right(r) => println!("+{}", r), + } + } + + panic!(); + } +} |