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Use a length accessor instead of byteLength

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This way we should be naturally compatible with normal JS arrays that get passed
in as well!

Closes #133
This commit is contained in:
Alex Crichton
2018-04-16 13:49:47 -07:00
parent bd755c0378
commit 0e032955fb
2 changed files with 55 additions and 5 deletions
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10
crates/cli-support/src/js/mod.rs
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@ -672,7 +672,7 @@ impl<'a> Context<'a> {
self.expose_uint8_memory();
self.global(&format!("
function passArray8ToWasm(arg) {{
const ptr = wasm.__wbindgen_malloc(arg.byteLength);
const ptr = wasm.__wbindgen_malloc(arg.length);
getUint8Memory().set(arg, ptr);
return [ptr, arg.length];
}}
@ -687,7 +687,7 @@ impl<'a> Context<'a> {
self.expose_uint16_memory();
self.global(&format!("
function passArray16ToWasm(arg) {{
const ptr = wasm.__wbindgen_malloc(arg.byteLength);
const ptr = wasm.__wbindgen_malloc(arg.length * 2);
getUint16Memory().set(arg, ptr / 2);
return [ptr, arg.length];
}}
@ -702,7 +702,7 @@ impl<'a> Context<'a> {
self.expose_uint32_memory();
self.global(&format!("
function passArray32ToWasm(arg) {{
const ptr = wasm.__wbindgen_malloc(arg.byteLength);
const ptr = wasm.__wbindgen_malloc(arg.length * 4);
getUint32Memory().set(arg, ptr / 4);
return [ptr, arg.length];
}}
@ -716,7 +716,7 @@ impl<'a> Context<'a> {
self.required_internal_exports.insert("__wbindgen_malloc");
self.global(&format!("
function passArrayF32ToWasm(arg) {{
const ptr = wasm.__wbindgen_malloc(arg.byteLength);
const ptr = wasm.__wbindgen_malloc(arg.length * 4);
new Float32Array(wasm.memory.buffer).set(arg, ptr / 4);
return [ptr, arg.length];
}}
@ -730,7 +730,7 @@ impl<'a> Context<'a> {
self.required_internal_exports.insert("__wbindgen_malloc");
self.global(&format!("
function passArrayF64ToWasm(arg) {{
const ptr = wasm.__wbindgen_malloc(arg.byteLength);
const ptr = wasm.__wbindgen_malloc(arg.length * 8);
new Float64Array(wasm.memory.buffer).set(arg, ptr / 8);
return [ptr, arg.length];
}}