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-rw-r--r--misc/wasm/wasm_exec.js47
1 files changed, 40 insertions, 7 deletions
diff --git a/misc/wasm/wasm_exec.js b/misc/wasm/wasm_exec.js
index ef97c4e311..3ea03c45b7 100644
--- a/misc/wasm/wasm_exec.js
+++ b/misc/wasm/wasm_exec.js
@@ -102,7 +102,7 @@
}
}
- if (!global.crypto) {
+ if (!global.crypto && global.require) {
const nodeCrypto = require("crypto");
global.crypto = {
getRandomValues(b) {
@@ -110,6 +110,9 @@
},
};
}
+ if (!global.crypto) {
+ throw new Error("global.crypto is not available, polyfill required (getRandomValues only)");
+ }
if (!global.performance) {
global.performance = {
@@ -120,13 +123,19 @@
};
}
- if (!global.TextEncoder) {
+ if (!global.TextEncoder && global.require) {
global.TextEncoder = require("util").TextEncoder;
}
+ if (!global.TextEncoder) {
+ throw new Error("global.TextEncoder is not available, polyfill required");
+ }
- if (!global.TextDecoder) {
+ if (!global.TextDecoder && global.require) {
global.TextDecoder = require("util").TextDecoder;
}
+ if (!global.TextDecoder) {
+ throw new Error("global.TextDecoder is not available, polyfill required");
+ }
// End of polyfills for common API.
@@ -255,6 +264,7 @@
// func wasmExit(code int32)
"runtime.wasmExit": (sp) => {
+ sp >>>= 0;
const code = this.mem.getInt32(sp + 8, true);
this.exited = true;
delete this._inst;
@@ -267,6 +277,7 @@
// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
"runtime.wasmWrite": (sp) => {
+ sp >>>= 0;
const fd = getInt64(sp + 8);
const p = getInt64(sp + 16);
const n = this.mem.getInt32(sp + 24, true);
@@ -275,16 +286,19 @@
// func resetMemoryDataView()
"runtime.resetMemoryDataView": (sp) => {
+ sp >>>= 0;
this.mem = new DataView(this._inst.exports.mem.buffer);
},
// func nanotime1() int64
"runtime.nanotime1": (sp) => {
+ sp >>>= 0;
setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
},
// func walltime1() (sec int64, nsec int32)
"runtime.walltime1": (sp) => {
+ sp >>>= 0;
const msec = (new Date).getTime();
setInt64(sp + 8, msec / 1000);
this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
@@ -292,6 +306,7 @@
// func scheduleTimeoutEvent(delay int64) int32
"runtime.scheduleTimeoutEvent": (sp) => {
+ sp >>>= 0;
const id = this._nextCallbackTimeoutID;
this._nextCallbackTimeoutID++;
this._scheduledTimeouts.set(id, setTimeout(
@@ -311,6 +326,7 @@
// func clearTimeoutEvent(id int32)
"runtime.clearTimeoutEvent": (sp) => {
+ sp >>>= 0;
const id = this.mem.getInt32(sp + 8, true);
clearTimeout(this._scheduledTimeouts.get(id));
this._scheduledTimeouts.delete(id);
@@ -318,11 +334,13 @@
// func getRandomData(r []byte)
"runtime.getRandomData": (sp) => {
+ sp >>>= 0;
crypto.getRandomValues(loadSlice(sp + 8));
},
// func finalizeRef(v ref)
"syscall/js.finalizeRef": (sp) => {
+ sp >>>= 0;
const id = this.mem.getUint32(sp + 8, true);
this._goRefCounts[id]--;
if (this._goRefCounts[id] === 0) {
@@ -335,44 +353,51 @@
// func stringVal(value string) ref
"syscall/js.stringVal": (sp) => {
+ sp >>>= 0;
storeValue(sp + 24, loadString(sp + 8));
},
// func valueGet(v ref, p string) ref
"syscall/js.valueGet": (sp) => {
+ sp >>>= 0;
const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
- sp = this._inst.exports.getsp(); // see comment above
+ sp = this._inst.exports.getsp() >>> 0; // see comment above
storeValue(sp + 32, result);
},
// func valueSet(v ref, p string, x ref)
"syscall/js.valueSet": (sp) => {
+ sp >>>= 0;
Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
},
// func valueDelete(v ref, p string)
"syscall/js.valueDelete": (sp) => {
+ sp >>>= 0;
Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
},
// func valueIndex(v ref, i int) ref
"syscall/js.valueIndex": (sp) => {
+ sp >>>= 0;
storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
},
// valueSetIndex(v ref, i int, x ref)
"syscall/js.valueSetIndex": (sp) => {
+ sp >>>= 0;
Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
},
// func valueCall(v ref, m string, args []ref) (ref, bool)
"syscall/js.valueCall": (sp) => {
+ sp >>>= 0;
try {
const v = loadValue(sp + 8);
const m = Reflect.get(v, loadString(sp + 16));
const args = loadSliceOfValues(sp + 32);
const result = Reflect.apply(m, v, args);
- sp = this._inst.exports.getsp(); // see comment above
+ sp = this._inst.exports.getsp() >>> 0; // see comment above
storeValue(sp + 56, result);
this.mem.setUint8(sp + 64, 1);
} catch (err) {
@@ -383,11 +408,12 @@
// func valueInvoke(v ref, args []ref) (ref, bool)
"syscall/js.valueInvoke": (sp) => {
+ sp >>>= 0;
try {
const v = loadValue(sp + 8);
const args = loadSliceOfValues(sp + 16);
const result = Reflect.apply(v, undefined, args);
- sp = this._inst.exports.getsp(); // see comment above
+ sp = this._inst.exports.getsp() >>> 0; // see comment above
storeValue(sp + 40, result);
this.mem.setUint8(sp + 48, 1);
} catch (err) {
@@ -398,11 +424,12 @@
// func valueNew(v ref, args []ref) (ref, bool)
"syscall/js.valueNew": (sp) => {
+ sp >>>= 0;
try {
const v = loadValue(sp + 8);
const args = loadSliceOfValues(sp + 16);
const result = Reflect.construct(v, args);
- sp = this._inst.exports.getsp(); // see comment above
+ sp = this._inst.exports.getsp() >>> 0; // see comment above
storeValue(sp + 40, result);
this.mem.setUint8(sp + 48, 1);
} catch (err) {
@@ -413,11 +440,13 @@
// func valueLength(v ref) int
"syscall/js.valueLength": (sp) => {
+ sp >>>= 0;
setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
},
// valuePrepareString(v ref) (ref, int)
"syscall/js.valuePrepareString": (sp) => {
+ sp >>>= 0;
const str = encoder.encode(String(loadValue(sp + 8)));
storeValue(sp + 16, str);
setInt64(sp + 24, str.length);
@@ -425,17 +454,20 @@
// valueLoadString(v ref, b []byte)
"syscall/js.valueLoadString": (sp) => {
+ sp >>>= 0;
const str = loadValue(sp + 8);
loadSlice(sp + 16).set(str);
},
// func valueInstanceOf(v ref, t ref) bool
"syscall/js.valueInstanceOf": (sp) => {
+ sp >>>= 0;
this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
},
// func copyBytesToGo(dst []byte, src ref) (int, bool)
"syscall/js.copyBytesToGo": (sp) => {
+ sp >>>= 0;
const dst = loadSlice(sp + 8);
const src = loadValue(sp + 32);
if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
@@ -450,6 +482,7 @@
// func copyBytesToJS(dst ref, src []byte) (int, bool)
"syscall/js.copyBytesToJS": (sp) => {
+ sp >>>= 0;
const dst = loadValue(sp + 8);
const src = loadSlice(sp + 16);
if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
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