fluencelabs/wasmer
1
0
Fork 0
mirror of https://github.com/fluencelabs/wasmer synced 2025-06-17 19:01:20 +00:00
Code Issues Projects Releases Wiki Activity

Add function signature parameters to set import func

Browse Source
This commit is contained in:
Brandon Fish
2019-02-02 19:10:08 -06:00
parent d31c1c6068
commit 5d9e05c2f6
3 changed files with 32 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
lib/runtime-c-api/src/lib.rs
View File

@ -183,6 +183,10 @@ pub unsafe extern "C" fn wasmer_imports_set_import_func(
namespace: *const c_char,
name: *const c_char,
func: extern "C" fn(data: *mut c_void),
params: *const wasmer_value_tag,
params_len: c_int,
returns: *const wasmer_value_tag,
returns_len: c_int,
) {
let mut import_object = unsafe { Box::from_raw(import_object as *mut ImportObject) };
let namespace_c = unsafe { CStr::from_ptr(namespace) };
@ -190,10 +194,15 @@ pub unsafe extern "C" fn wasmer_imports_set_import_func(
let name_c = unsafe { CStr::from_ptr(name) };
let name_r = name_c.to_str().unwrap();
let params: &[wasmer_value_tag] = slice::from_raw_parts(params, params_len as usize);
let params: Vec<Type> = params.iter().cloned().map(|x| x.into()).collect();
let returns: &[wasmer_value_tag] = slice::from_raw_parts(returns, returns_len as usize);
let returns: Vec<Type> = returns.iter().cloned().map(|x| x.into()).collect();
let export = Export::Function {
func: unsafe { FuncPointer::new(func as _) },
ctx: Context::Internal,
signature: Arc::new(FuncSig::new(vec![Type::I32, Type::I32], vec![])),
signature: Arc::new(FuncSig::new(params, returns)),
};
// TODO handle existing namespace
@ -257,3 +266,17 @@ impl From<wasmer_value_t> for Value {
}
}
}
impl From<wasmer_value_tag> for Type {
fn from(v: wasmer_value_tag) -> Self {
unsafe {
match v {
wasmer_value_tag::WASM_I32 => Type::I32,
wasmer_value_tag::WASM_I64 => Type::I64,
wasmer_value_tag::WASM_F32 => Type::F32,
wasmer_value_tag::WASM_F64 => Type::F64,
_ => panic!("not implemented"),
}
}
}
}