Init commit

j7s_diagnostics_cxx/src/lib.rs

@@ -0,0 +1,35 @@
+#![allow(non_snake_case)]
+
+#[cxx::bridge]
+mod ffi {
+    extern "Rust" {
+        fn add(a: &f64, b: &f64) -> f64;
+
+        type MyStruct;
+        fn MyStruct_build(a: f64, b: f64) -> Box<MyStruct>;
+        fn sum(self: &MyStruct) -> f64;
+    }
+}
+
+pub struct MyStruct {
+    a: f64,
+    b: f64
+}
+
+impl MyStruct {
+    pub fn new(a: f64, b: f64) -> Self {
+        MyStruct {a: a, b: b}
+    }
+
+    pub fn sum(&self) -> f64 {
+        self.a + self.b
+    }
+}
+
+fn MyStruct_build(a: f64, b: f64) -> Box<MyStruct> {
+    Box::new(MyStruct::new(a, b))
+}
+
+pub fn add(a: &f64, b: &f64) -> f64 {
+    a + b
+}