mirror of
https://github.com/taigrr/wasm-experiments
synced 2025-01-18 04:03:21 -08:00
Update wasm_exec in /html
This commit is contained in:
Johan Brandhorst
parent
f34699c420
commit
3d89b1de82
@ -16,13 +16,11 @@
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},
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};
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const now = () => {
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const [sec, nsec] = process.hrtime();
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return sec * 1000 + nsec / 1000000;
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};
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global.performance = {
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timeOrigin: Date.now() - now(),
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now: now,
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now() {
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const [sec, nsec] = process.hrtime();
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return sec * 1000 + nsec / 1000000;
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},
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};
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const util = require("util");
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@ -43,6 +41,11 @@
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}
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return buf.length;
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},
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openSync(path, flags, mode) {
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const err = new Error("not implemented");
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err.code = "ENOSYS";
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throw err;
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},
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};
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}
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@ -51,13 +54,15 @@
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global.Go = class {
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constructor() {
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this.argv = [];
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this.argv = ["js"];
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this.env = {};
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this.exit = (code) => {
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if (code !== 0) {
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console.warn("exit code:", code);
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}
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};
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this._callbackTimeouts = new Map();
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this._nextCallbackTimeoutID = 1;
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const mem = () => {
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// The buffer may change when requesting more memory.
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@ -116,6 +121,7 @@
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return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
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}
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const timeOrigin = Date.now() - performance.now();
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this.importObject = {
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go: {
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// func wasmExit(code int32)
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@ -134,7 +140,7 @@
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// func nanotime() int64
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"runtime.nanotime": (sp) => {
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setInt64(sp + 8, (performance.timeOrigin + performance.now()) * 1000000);
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setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
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},
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// func walltime() (sec int64, nsec int32)
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@ -144,9 +150,22 @@
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mem().setInt32(sp + 16, (msec % 1000) * 1000000, true);
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},
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// func scheduleCallback(delay int64)
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// func scheduleCallback(delay int64) int32
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"runtime.scheduleCallback": (sp) => {
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setTimeout(() => { this._resolveCallbackPromise(); }, getInt64(sp + 8));
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const id = this._nextCallbackTimeoutID;
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this._nextCallbackTimeoutID++;
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this._callbackTimeouts.set(id, setTimeout(
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() => { this._resolveCallbackPromise(); },
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getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early
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));
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mem().setInt32(sp + 16, id, true);
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},
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// func clearScheduledCallback(id int32)
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"runtime.clearScheduledCallback": (sp) => {
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const id = mem().getInt32(sp + 8, true);
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clearTimeout(this._callbackTimeouts.get(id));
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this._callbackTimeouts.delete(id);
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},
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// func getRandomData(r []byte)
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@ -154,48 +173,48 @@
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crypto.getRandomValues(loadSlice(sp + 8));
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},
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// func boolVal(value bool) Value
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// func boolVal(value bool) ref
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"syscall/js.boolVal": (sp) => {
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storeValue(sp + 16, mem().getUint8(sp + 8) !== 0);
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},
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// func intVal(value int) Value
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// func intVal(value int) ref
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"syscall/js.intVal": (sp) => {
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storeValue(sp + 16, getInt64(sp + 8));
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},
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// func floatVal(value float64) Value
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// func floatVal(value float64) ref
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"syscall/js.floatVal": (sp) => {
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storeValue(sp + 16, mem().getFloat64(sp + 8, true));
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},
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// func stringVal(value string) Value
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// func stringVal(value string) ref
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"syscall/js.stringVal": (sp) => {
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storeValue(sp + 24, loadString(sp + 8));
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},
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// func (v Value) Get(key string) Value
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"syscall/js.Value.Get": (sp) => {
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// func valueGet(v ref, p string) ref
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"syscall/js.valueGet": (sp) => {
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storeValue(sp + 32, Reflect.get(loadValue(sp + 8), loadString(sp + 16)));
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},
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// func (v Value) set(key string, value Value)
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"syscall/js.Value.set": (sp) => {
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// func valueSet(v ref, p string, x ref)
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"syscall/js.valueSet": (sp) => {
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Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
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},
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// func (v Value) Index(i int) Value
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"syscall/js.Value.Index": (sp) => {
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// func valueIndex(v ref, i int) ref
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"syscall/js.valueIndex": (sp) => {
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storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
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},
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// func (v Value) setIndex(i int, value Value)
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"syscall/js.Value.setIndex": (sp) => {
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// valueSetIndex(v ref, i int, x ref)
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"syscall/js.valueSetIndex": (sp) => {
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Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
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},
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// func (v Value) call(name string, args []Value) (Value, bool)
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"syscall/js.Value.call": (sp) => {
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// func valueCall(v ref, m string, args []ref) (ref, bool)
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"syscall/js.valueCall": (sp) => {
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try {
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const v = loadValue(sp + 8);
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const m = Reflect.get(v, loadString(sp + 16));
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@ -208,8 +227,8 @@
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}
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},
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// func (v Value) invoke(args []Value) (Value, bool)
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"syscall/js.Value.invoke": (sp) => {
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// func valueInvoke(v ref, args []ref) (ref, bool)
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"syscall/js.valueInvoke": (sp) => {
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try {
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const v = loadValue(sp + 8);
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const args = loadSliceOfValues(sp + 16);
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@ -221,8 +240,8 @@
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}
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},
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// func (v Value) new(args []Value) (Value, bool)
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"syscall/js.Value.new": (sp) => {
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// func valueNew(v ref, args []ref) (ref, bool)
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"syscall/js.valueNew": (sp) => {
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try {
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const v = loadValue(sp + 8);
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const args = loadSliceOfValues(sp + 16);
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@ -234,35 +253,35 @@
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}
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},
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// func (v Value) Float() float64
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"syscall/js.Value.Float": (sp) => {
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// func valueFloat(v ref) float64
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"syscall/js.valueFloat": (sp) => {
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mem().setFloat64(sp + 16, parseFloat(loadValue(sp + 8)), true);
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},
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// func (v Value) Int() int
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"syscall/js.Value.Int": (sp) => {
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// func valueInt(v ref) int
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"syscall/js.valueInt": (sp) => {
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setInt64(sp + 16, parseInt(loadValue(sp + 8)));
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},
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// func (v Value) Bool() bool
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"syscall/js.Value.Bool": (sp) => {
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// func valueBool(v ref) bool
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"syscall/js.valueBool": (sp) => {
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mem().setUint8(sp + 16, !!loadValue(sp + 8));
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},
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// func (v Value) Length() int
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"syscall/js.Value.Length": (sp) => {
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// func valueLength(v ref) int
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"syscall/js.valueLength": (sp) => {
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setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
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},
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// func (v Value) prepareString() (Value, int)
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"syscall/js.Value.prepareString": (sp) => {
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// valuePrepareString(v ref) (ref, int)
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"syscall/js.valuePrepareString": (sp) => {
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const str = encoder.encode(String(loadValue(sp + 8)));
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storeValue(sp + 16, str);
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setInt64(sp + 24, str.length);
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},
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// func (v Value) loadString(b []byte)
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"syscall/js.Value.loadString": (sp) => {
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// valueLoadString(v ref, b []byte)
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"syscall/js.valueLoadString": (sp) => {
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const str = loadValue(sp + 8);
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loadSlice(sp + 16).set(str);
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},
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@ -281,7 +300,7 @@
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null,
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global,
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this._inst.exports.mem,
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() => {
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() => { // resolveCallbackPromise
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if (this.exited) {
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throw new Error("bad callback: Go program has already exited");
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}
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@ -355,6 +374,7 @@
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return go.run(result.instance);
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}).catch((err) => {
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console.error(err);
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go.exited = true;
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process.exit(1);
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});
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}
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