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Added full support for dynamic functions with env

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This commit is contained in:
Syrus
2020-06-13 15:52:42 -07:00
parent b7dc092256
commit e5838d8ccb
2 changed files with 61 additions and 13 deletions
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30
lib/api/src/native.rs
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@@ -10,7 +10,8 @@
use std::marker::PhantomData;
use crate::externals::function::{
FunctionDefinition, VMDynamicFunction, VMDynamicFunctionWithoutEnv, WasmFunctionDefinition,
FunctionDefinition, VMDynamicFunction, VMDynamicFunctionWithEnv, VMDynamicFunctionWithoutEnv,
WasmFunctionDefinition,
};
use crate::{Function, FunctionType, RuntimeError, Store};
use wasm_common::{NativeWasmType, WasmExternType, WasmTypeList};
@@ -177,20 +178,23 @@ macro_rules! impl_native_traits {
}
} else {
// Is a dynamic function
if !self.has_env {
let params_list = [ $( $x.to_native().to_value() ),* ];
let results = if !self.has_env {
let ctx = self.vmctx as *mut VMDynamicFunctionContext<VMDynamicFunctionWithoutEnv>;
let params_list = [ $( $x.to_native().to_value() ),* ];
let results = unsafe { (*ctx).ctx.call(&params_list)? };
let mut rets_list_array = Rets::empty_array();
let mut_rets = rets_list_array.as_mut() as *mut [i128] as *mut i128;
for (i, ret) in results.iter().enumerate() {
unsafe {
ret.write_value_to(mut_rets.add(i));
}
}
return Ok(Rets::from_array(rets_list_array));
unsafe { (*ctx).ctx.call(&params_list)? }
}
unimplemented!("native calls to dynamic function with env not yet implemented");
else {
let ctx = self.vmctx as *mut VMDynamicFunctionContext<VMDynamicFunctionWithEnv<std::ffi::c_void>>;
unsafe { (*ctx).ctx.call(&params_list)? }
};
let mut rets_list_array = Rets::empty_array();
let mut_rets = rets_list_array.as_mut() as *mut [i128] as *mut i128;
for (i, ret) in results.iter().enumerate() {
unsafe {
ret.write_value_to(mut_rets.add(i));
}
}
return Ok(Rets::from_array(rets_list_array));
}
},
}

44
tests/compilers/functions.rs
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@@ -74,3 +74,47 @@ fn dynamic_raw_call_no_env() -> anyhow::Result<()> {
assert_eq!(result, (28.0, 15.0, 6, 1));
Ok(())
}
#[test]
fn dynamic_raw_call_with_env() -> anyhow::Result<()> {
let store = get_store();
struct Env {
val: i32,
};
let mut env = Env { val: 100 };
let reverse_duplicate = wasmer::Function::new_dynamic_env(
&store,
&wasmer::FunctionType::new(
vec![
wasmer::ValType::I32,
wasmer::ValType::I64,
wasmer::ValType::F32,
wasmer::ValType::F64,
],
vec![
wasmer::ValType::F64,
wasmer::ValType::F32,
wasmer::ValType::I64,
wasmer::ValType::I32,
],
),
&mut env,
|env, values| {
assert_eq!(env.val, 100);
env.val = 101;
Ok(vec![
Value::F64(values[3].unwrap_f64() * 4.0),
Value::F32(values[2].unwrap_f32() * 3.0),
Value::I64(values[1].unwrap_i64() * 2),
Value::I32(values[0].unwrap_i32() * 1),
])
},
);
let reverse_duplicate_native: NativeFunc<(i32, i64, f32, f64), (f64, f32, i64, i32)> =
reverse_duplicate.native().unwrap();
assert_eq!(env.val, 100);
let result = reverse_duplicate_native.call(1, 3, 5.0, 7.0)?;
assert_eq!(result, (28.0, 15.0, 6, 1));
assert_eq!(env.val, 101);
Ok(())
}