mirror of
https://github.com/fluencelabs/wasm-bindgen
synced 2025-03-16 02:00:51 +00:00
Merge pull request #1391 from RReverser/node-pass-string
Add specialised passStringToWasm for Node.js
This commit is contained in:
commit
433a8d8df9
@ -1236,8 +1236,6 @@ impl<'a> Context<'a> {
|
||||
return Ok(());
|
||||
}
|
||||
self.require_internal_export("__wbindgen_malloc")?;
|
||||
self.expose_text_encoder();
|
||||
self.expose_uint8_memory();
|
||||
self.expose_wasm_vector_len();
|
||||
let debug = if self.config.debug {
|
||||
"
|
||||
@ -1247,6 +1245,33 @@ impl<'a> Context<'a> {
|
||||
""
|
||||
};
|
||||
|
||||
// If we are targeting Node.js, it doesn't have `encodeInto` yet
|
||||
// but it does have `Buffer::write` which has similar semantics but
|
||||
// doesn't require creating intermediate view using `subarray`
|
||||
// and also has `Buffer::byteLength` to calculate size upfront.
|
||||
if self.config.mode.nodejs() {
|
||||
self.expose_node_buffer_memory();
|
||||
|
||||
self.global(&format!(
|
||||
"
|
||||
function passStringToWasm(arg) {{
|
||||
{}
|
||||
const size = Buffer.byteLength(arg);
|
||||
const ptr = wasm.__wbindgen_malloc(size);
|
||||
getNodeBufferMemory().write(arg, ptr, size);
|
||||
WASM_VECTOR_LEN = size;
|
||||
return ptr;
|
||||
}}
|
||||
",
|
||||
debug,
|
||||
));
|
||||
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
self.expose_text_encoder();
|
||||
self.expose_uint8_memory();
|
||||
|
||||
// The first implementation we have for this is to use
|
||||
// `TextEncoder#encode` which has been around for quite some time.
|
||||
let use_encode = format!(
|
||||
@ -1600,48 +1625,52 @@ impl<'a> Context<'a> {
|
||||
));
|
||||
}
|
||||
|
||||
fn expose_node_buffer_memory(&mut self) {
|
||||
self.memview("getNodeBufferMemory", "Buffer.from");
|
||||
}
|
||||
|
||||
fn expose_int8_memory(&mut self) {
|
||||
self.memview("getInt8Memory", "Int8Array");
|
||||
self.memview("getInt8Memory", "new Int8Array");
|
||||
}
|
||||
|
||||
fn expose_uint8_memory(&mut self) {
|
||||
self.memview("getUint8Memory", "Uint8Array");
|
||||
self.memview("getUint8Memory", "new Uint8Array");
|
||||
}
|
||||
|
||||
fn expose_clamped_uint8_memory(&mut self) {
|
||||
self.memview("getUint8ClampedMemory", "Uint8ClampedArray");
|
||||
self.memview("getUint8ClampedMemory", "new Uint8ClampedArray");
|
||||
}
|
||||
|
||||
fn expose_int16_memory(&mut self) {
|
||||
self.memview("getInt16Memory", "Int16Array");
|
||||
self.memview("getInt16Memory", "new Int16Array");
|
||||
}
|
||||
|
||||
fn expose_uint16_memory(&mut self) {
|
||||
self.memview("getUint16Memory", "Uint16Array");
|
||||
self.memview("getUint16Memory", "new Uint16Array");
|
||||
}
|
||||
|
||||
fn expose_int32_memory(&mut self) {
|
||||
self.memview("getInt32Memory", "Int32Array");
|
||||
self.memview("getInt32Memory", "new Int32Array");
|
||||
}
|
||||
|
||||
fn expose_uint32_memory(&mut self) {
|
||||
self.memview("getUint32Memory", "Uint32Array");
|
||||
self.memview("getUint32Memory", "new Uint32Array");
|
||||
}
|
||||
|
||||
fn expose_int64_memory(&mut self) {
|
||||
self.memview("getInt64Memory", "BigInt64Array");
|
||||
self.memview("getInt64Memory", "new BigInt64Array");
|
||||
}
|
||||
|
||||
fn expose_uint64_memory(&mut self) {
|
||||
self.memview("getUint64Memory", "BigUint64Array");
|
||||
self.memview("getUint64Memory", "new BigUint64Array");
|
||||
}
|
||||
|
||||
fn expose_f32_memory(&mut self) {
|
||||
self.memview("getFloat32Memory", "Float32Array");
|
||||
self.memview("getFloat32Memory", "new Float32Array");
|
||||
}
|
||||
|
||||
fn expose_f64_memory(&mut self) {
|
||||
self.memview("getFloat64Memory", "Float64Array");
|
||||
self.memview("getFloat64Memory", "new Float64Array");
|
||||
}
|
||||
|
||||
fn memview_function(&mut self, t: VectorKind) -> &'static str {
|
||||
@ -1711,7 +1740,7 @@ impl<'a> Context<'a> {
|
||||
let cache{name} = null;
|
||||
function {name}() {{
|
||||
if (cache{name} === null || cache{name}.buffer !== {mem}.buffer) {{
|
||||
cache{name} = new {js}({mem}.buffer);
|
||||
cache{name} = {js}({mem}.buffer);
|
||||
}}
|
||||
return cache{name};
|
||||
}}
|
||||
|
Loading…
x
Reference in New Issue
Block a user