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https://github.com/fluencelabs/wasmer
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test(runtime-core) Test more host functions as closures.
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@ -11,21 +11,37 @@ fn imported_functions_forms() {
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(type $type (func (param i32) (result i32)))
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(import "env" "memory" (memory 1 1))
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(import "env" "callback_fn" (func $callback_fn (type $type)))
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(import "env" "callback_closure" (func $callback_closure (type $type)))
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(import "env" "callback_fn_with_vmctx" (func $callback_fn_with_vmctx (type $type)))
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(import "env" "callback_closure_with_vmctx" (func $callback_closure_with_vmctx (type $type)))
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(import "env" "callback_fn_trap" (func $callback_fn_trap (type $type)))
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(import "env" "callback_closure_trap" (func $callback_closure_trap (type $type)))
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(import "env" "callback_fn_trap_with_vmctx" (func $callback_fn_trap_with_vmctx (type $type)))
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(import "env" "callback_closure_trap_with_vmctx" (func $callback_closure_trap_with_vmctx (type $type)))
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(func (export "function_fn") (type $type)
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get_local 0
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call $callback_fn)
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(func (export "function_closure") (type $type)
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get_local 0
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call $callback_closure)
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(func (export "function_fn_with_vmctx") (type $type)
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get_local 0
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call $callback_fn_with_vmctx)
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(func (export "function_closure_with_vmctx") (type $type)
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get_local 0
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call $callback_closure_with_vmctx)
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(func (export "function_fn_trap") (type $type)
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get_local 0
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call $callback_fn_trap)
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(func (export "function_closure_trap") (type $type)
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get_local 0
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call $callback_closure_trap)
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(func (export "function_fn_trap_with_vmctx") (type $type)
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get_local 0
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call $callback_fn_trap_with_vmctx))
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call $callback_fn_trap_with_vmctx)
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(func (export "function_closure_trap_with_vmctx") (type $type)
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get_local 0
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call $callback_closure_trap_with_vmctx))
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"#;
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let wasm_binary = wat2wasm(MODULE.as_bytes()).expect("WAST not valid or malformed");
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@ -40,9 +56,27 @@ fn imported_functions_forms() {
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"env" => {
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"memory" => memory.clone(),
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"callback_fn" => Func::new(callback_fn),
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"callback_closure" => Func::new(|n: i32| -> Result<i32, ()> {
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Ok(n + 1)
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}),
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"callback_fn_with_vmctx" => Func::new(callback_fn_with_vmctx),
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"callback_closure_with_vmctx" => Func::new(|vmctx: &mut vm::Ctx, n: i32| -> Result<i32, ()> {
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let memory = vmctx.memory(0);
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let shift: i32 = memory.view()[0].get();
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Ok(shift + n + 1)
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}),
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"callback_fn_trap" => Func::new(callback_fn_trap),
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"callback_closure_trap" => Func::new(|n: i32| -> Result<i32, String> {
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Err(format!("bar {}", n + 1))
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}),
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"callback_fn_trap_with_vmctx" => Func::new(callback_fn_trap_with_vmctx),
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"callback_closure_trap_with_vmctx" => Func::new(|vmctx: &mut vm::Ctx, n: i32| -> Result<i32, String> {
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let memory = vmctx.memory(0);
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let shift: i32 = memory.view()[0].get();
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Err(format!("qux {}", shift + n + 1))
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}),
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},
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};
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let instance = module.instantiate(&import_object).unwrap();
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@ -99,11 +133,19 @@ fn imported_functions_forms() {
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}
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call_and_assert!(function_fn, Ok(2));
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call_and_assert!(function_closure, Ok(2));
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call_and_assert!(function_fn_with_vmctx, Ok(2 + SHIFT));
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call_and_assert!(function_closure_with_vmctx, Ok(2 + SHIFT));
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call_and_assert!(
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function_fn_trap,
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Err(RuntimeError::Error {
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data: Box::new(format!("foo {}", 1))
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data: Box::new(format!("foo {}", 2))
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})
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);
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call_and_assert!(
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function_closure_trap,
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Err(RuntimeError::Error {
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data: Box::new(format!("bar {}", 2))
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})
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);
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call_and_assert!(
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@ -112,6 +154,12 @@ fn imported_functions_forms() {
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data: Box::new(format!("baz {}", 2 + SHIFT))
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})
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);
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call_and_assert!(
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function_closure_trap_with_vmctx,
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Err(RuntimeError::Error {
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data: Box::new(format!("qux {}", 2 + SHIFT))
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})
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);
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}
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fn callback_fn(n: i32) -> Result<i32, ()> {
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@ -126,7 +174,7 @@ fn callback_fn_with_vmctx(vmctx: &mut vm::Ctx, n: i32) -> Result<i32, ()> {
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}
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fn callback_fn_trap(n: i32) -> Result<i32, String> {
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Err(format!("foo {}", n))
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Err(format!("foo {}", n + 1))
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}
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fn callback_fn_trap_with_vmctx(vmctx: &mut vm::Ctx, n: i32) -> Result<i32, String> {
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