@evan/wasm
Version:
set of wasm modules
60 lines (59 loc) • 1.86 kB
JavaScript
var __defProp = Object.defineProperty;
var __markAsModule = (target) => __defProp(target, "__esModule", { value: true });
var __export = (target, all) => {
__markAsModule(target);
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __accessCheck = (obj, member, msg) => {
if (!member.has(obj))
throw TypeError("Cannot " + msg);
};
var __privateGet = (obj, member, getter) => {
__accessCheck(obj, member, "read from private field");
return getter ? getter.call(obj) : member.get(obj);
};
var __privateAdd = (obj, member, value) => {
if (member.has(obj))
throw TypeError("Cannot add the same private member more than once");
member instanceof WeakSet ? member.add(obj) : member.set(obj, value);
};
__export(exports, {
default: () => Allocator
});
var _wasm, _base;
let wasm;
{
const module2 = new WebAssembly.Module(require('fs').readFileSync(require('path').join(__dirname, '../../src/alloc/simd.wasm')));
wasm = () => new WebAssembly.Instance(module2).exports;
}
class Allocator {
constructor() {
__privateAdd(this, _wasm, wasm());
__privateAdd(this, _base, __privateGet(this, _wasm).memory.buffer.byteLength);
}
get memory() {
return __privateGet(this, _wasm).memory;
}
alloc(size) {
return __privateGet(this, _wasm).walloc(size);
}
free(ptr) {
return __privateGet(this, _wasm).wfree(ptr, this.size(ptr));
}
size(ptr) {
return new Uint32Array(__privateGet(this, _wasm).memory.buffer)[ptr / 4 - 1];
}
u8(ptr, size) {
return new Uint8Array(__privateGet(this, _wasm).memory.buffer, ptr, size);
}
get stats() {
const buffer = __privateGet(this, _wasm).memory.buffer;
return {
total: buffer.byteLength,
heap: buffer.byteLength - __privateGet(this, _base)
};
}
}
_wasm = new WeakMap();
_base = new WeakMap();