Squashed 'third_party/autocxx/' content from commit 629e8fa53
git-subtree-dir: third_party/autocxx
git-subtree-split: 629e8fa531a633164c0b52e2a3cab536d4cd0849
Signed-off-by: Brian Silverman <bsilver16384@gmail.com>
Change-Id: I62a03b0049f49adf029e0204639cdb5468dde1a1
diff --git a/examples/pod/src/main.rs b/examples/pod/src/main.rs
new file mode 100644
index 0000000..7a8b659
--- /dev/null
+++ b/examples/pod/src/main.rs
@@ -0,0 +1,40 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use autocxx::prelude::*;
+
+include_cpp! {
+ // C++ headers we want to include.
+ #include "cpp.h"
+ // Safety policy. We are marking that this whole C++ inclusion is unsafe
+ // which means the functions themselves do not need to be marked
+ // as unsafe. Other policies are possible.
+ safety!(unsafe)
+ // What types and functions we want to generate
+ generate_pod!("Rect")
+ generate!("print_point")
+}
+
+use ffi::{Point, Rect};
+
+// A simple example dealing with plain-old-data types.
+
+fn main() {
+ let r = Rect {
+ top_left: Point { x: 3, y: 3 },
+ bottom_right: Point { x: 12, y: 15 },
+ };
+ // r.width() and r.height() return an autocxx::c_int
+ // which we need to unpackage. It is hoped that one day cxx will
+ // natively support 'int' and friends, and that won't be necessary.
+ let center = Point {
+ x: r.top_left.x + r.width().0 / 2,
+ y: r.top_left.y + r.height().0 / 2,
+ };
+ ffi::print_point(center);
+}