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Get references passed through globals fully working via top level API

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This commit is contained in:
Mark McCaskey
2021-02-23 11:52:31 -08:00
parent 79de368c5c
commit 54b76cddfc
5 changed files with 40 additions and 17 deletions
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36
lib/api/tests/reference_types.rs
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@@ -165,8 +165,8 @@ fn refs_in_globals() -> Result<()> {
(global $er_global (export "er_global") (mut externref) (ref.null extern))
(global $fr_global (export "fr_global") (mut funcref) (ref.null func))
(global $fr_immutable_global (export "fr_immutable_global") funcref (ref.func $hello))
(func $hello (param) (result funcref)
(global.get $fr_immutable_global))
(func $hello (param) (result i32)
(i32.const 73))
)"#;
let module = Module::new(&store, wat)?;
let instance = Instance::new(&module, &imports! {})?;
@@ -188,18 +188,36 @@ fn refs_in_globals() -> Result<()> {
}
}
// blocked on needing a store when reading from globals
/*
{
let er_global: &Global = instance.exports.get_global("fr_immutable_global")?;
let fr_global: &Global = instance.exports.get_global("fr_immutable_global")?;
if let Value::FuncRef(f) = er_global.get() {
dbg!(f);
if let Value::FuncRef(Some(f)) = fr_global.get() {
let native_func: NativeFunc<(), u32> = f.native()?;
assert_eq!(native_func.call()?, 73);
} else {
panic!("Did not find func ref in the global");
panic!("Did not find non-null func ref in the global");
}
}
{
let fr_global: &Global = instance.exports.get_global("fr_global")?;
if let Value::FuncRef(None) = fr_global.get() {
} else {
panic!("Did not find a null func ref in the global");
}
let f = Function::new_native(&store, |arg1: i32, arg2: i32| -> i32 { arg1 + arg2 });
fr_global.set(Val::FuncRef(Some(f)))?;
if let Value::FuncRef(Some(f)) = fr_global.get() {
let native: NativeFunc<(i32, i32), i32> = f.native()?;
assert_eq!(native.call(5, 7)?, 12);
} else {
panic!("Did not find extern ref in the global");
}
}
*/
Ok(())
}