[oden] Grab my incomplete QuickJS wrapper

oden-js-sys/src/lib.rs

@@ -0,0 +1,58 @@
+#![allow(non_upper_case_globals)]
+#![allow(non_camel_case_types)]
+#![allow(non_snake_case)]
+
+include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
+include!("static-functions.rs");
+
+use std::fmt;
+
+impl fmt::Debug for JSValue {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "JS[{}", self.tag)?;
+        if self.tag < 0 {
+            write!(f, " {:?}]", unsafe { self.u.ptr })
+        } else {
+            write!(f, " {}]", unsafe { self.u.int32 })
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::ffi::CStr;
+
+    // Small sanity test that starts the runtime and evaluates code.
+    #[test]
+    fn test_eval() {
+        unsafe {
+            let rt = JS_NewRuntime();
+            let ctx = JS_NewContext(rt);
+
+            let code_str = "1 + 1\0";
+            let code = CStr::from_bytes_with_nul(code_str.as_bytes()).unwrap();
+            let script = CStr::from_bytes_with_nul("script\0".as_bytes()).unwrap();
+
+            let value = JS_Eval(
+                ctx,
+                code.as_ptr(),
+                (code_str.len() - 1).try_into().unwrap(),
+                script.as_ptr(),
+                JS_EVAL_TYPE_GLOBAL as i32,
+            );
+            assert_eq!(value.tag, 0);
+            assert_eq!(value.u.int32, 2);
+
+            JS_DupValue(ctx, value);
+            JS_FreeValue(ctx, value);
+
+            let ival = JS_NewInt32(ctx, 12);
+            assert_eq!(ival.tag, 0);
+            let fval = JS_NewFloat64(ctx, f64::MAX);
+            assert_eq!(fval.tag, 7);
+            let bval = JS_NewBool(ctx, true);
+            assert_eq!(bval.tag, 1);
+        }
+    }
+}