go/cloudflare-workers
go/cloudflare-workers
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Merge pull request #72 from syumai/update-to-go-1-21

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update to Go 1.21
This commit is contained in:
syumai 2023-10-11 23:45:46 +09:00 committed by GitHub
commit 3a8e6314f1
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11 changed files with 99 additions and 99 deletions
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2
.github/workflows/pull_request.yaml vendored
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@ -7,7 +7,7 @@ jobs:
ci:
strategy:
matrix:
go-version: [ 1.18, 1.19 ]
go-version: [ 1.21.3 ]
os: [ ubuntu-latest ]
runs-on: ${{ matrix.os }}
steps:

7
README.md
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@ -67,14 +67,15 @@ First, please install the following tools:
* Node.js (and npm)
* [wrangler](https://developers.cloudflare.com/workers/wrangler/)
- You can install it by running `npm install -g wrangler`.
* tinygo
* tinygo 0.29.0 or later
* [gonew](https://pkg.go.dev/golang.org/x/tools/cmd/gonew)
- You can install it by running `go install golang.org/x/tools/cmd/gonew@latest`
After installation, please run the following commands.
```console
wrangler generate my-app syumai/workers/_templates/cloudflare/worker-tinygo
gonew github.com/syumai/workers/_templates/cloudflare/worker-tinygo your.module/my-app # e.g. github.com/syumai/my-app
cd my-app
go mod init
go mod tidy
make dev # start running dev server
curl http://localhost:8787/hello # outputs "Hello!"

2
_templates/cloudflare/pages-tinygo/Makefile
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@ -4,7 +4,7 @@ dev:
.PHONY: build
build:
go run github.com/syumai/workers/cmd/workers-assets-gen@latest
go run github.com/syumai/workers/cmd/workers-assets-gen@v0.18.0
tinygo build -o ./build/app.wasm -target wasm -no-debug ./...
.PHONY: deploy

2
_templates/cloudflare/pages-tinygo/README.md
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@ -12,7 +12,7 @@
- Node.js
- [wrangler](https://developers.cloudflare.com/workers/wrangler/)
- just run `npm install -g wrangler`
- tinygo
* tinygo 0.29.0 or later
## Getting Started

2
_templates/cloudflare/worker-go/Makefile
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@ -4,7 +4,7 @@ dev:
.PHONY: build
build:
go run github.com/syumai/workers/cmd/workers-assets-gen@latest -mode=go
go run github.com/syumai/workers/cmd/workers-assets-gen@v0.18.0 -mode=go
GOOS=js GOARCH=wasm go build -o ./build/app.wasm .
.PHONY: deploy

4
_templates/cloudflare/worker-go/README.md
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@ -17,9 +17,7 @@
- Node.js
- [wrangler](https://developers.cloudflare.com/workers/wrangler/)
- just run `npm install -g wrangler`
- Go
## Getting Started
- Go 1.21.0 or later
## Getting Started

2
_templates/cloudflare/worker-tinygo/Makefile
View File

@ -4,7 +4,7 @@ dev:
.PHONY: build
build:
go run github.com/syumai/workers/cmd/workers-assets-gen@latest
go run github.com/syumai/workers/cmd/workers-assets-gen@v0.18.0
tinygo build -o ./build/app.wasm -target wasm -no-debug ./...
.PHONY: deploy

2
_templates/cloudflare/worker-tinygo/README.md
View File

@ -12,7 +12,7 @@
- Node.js
- [wrangler](https://developers.cloudflare.com/workers/wrangler/)
- just run `npm install -g wrangler`
- tinygo
- tinygo 0.29.0 or later
## Getting Started

15
cmd/workers-assets-gen/assets/wasm_exec_go.js
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@ -19,8 +19,8 @@
outputBuf += decoder.decode(buf);
const nl = outputBuf.lastIndexOf("\n");
if (nl != -1) {
console.log(outputBuf.substr(0, nl));
outputBuf = outputBuf.substr(nl + 1);
console.log(outputBuf.substring(0, nl));
outputBuf = outputBuf.substring(nl + 1);
}
return buf.length;
},
@ -113,6 +113,10 @@
this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
}
const setInt32 = (addr, v) => {
this.mem.setUint32(addr + 0, v, true);
}
const getInt64 = (addr) => {
const low = this.mem.getUint32(addr + 0, true);
const high = this.mem.getInt32(addr + 4, true);
@ -206,7 +210,10 @@
const timeOrigin = Date.now() - performance.now();
this.importObject = {
go: {
_gotest: {
add: (a, b) => a + b,
},
gojs: {
// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
@ -269,7 +276,7 @@
this._resume();
}
},
getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early
getInt64(sp + 8),
));
this.mem.setInt32(sp + 16, id, true);
},

158
cmd/workers-assets-gen/assets/wasm_exec_tinygo.js
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@ -30,7 +30,7 @@
}
*/
/*
/*
if (!global.fs && global.require) {
global.fs = require("fs");
}
@ -138,6 +138,7 @@
const encoder = new TextEncoder("utf-8");
const decoder = new TextDecoder("utf-8");
let reinterpretBuf = new DataView(new ArrayBuffer(8));
var logLine = [];
global.Go = class {
@ -150,19 +151,9 @@
return new DataView(this._inst.exports.memory.buffer);
}
const setInt64 = (addr, v) => {
mem().setUint32(addr + 0, v, true);
mem().setUint32(addr + 4, Math.floor(v / 4294967296), true);
}
const getInt64 = (addr) => {
const low = mem().getUint32(addr + 0, true);
const high = mem().getInt32(addr + 4, true);
return low + high * 4294967296;
}
const loadValue = (addr) => {
const f = mem().getFloat64(addr, true);
const unboxValue = (v_ref) => {
reinterpretBuf.setBigInt64(0, v_ref, true);
const f = reinterpretBuf.getFloat64(0, true);
if (f === 0) {
return undefined;
}
@ -170,71 +161,70 @@
return f;
}
const id = mem().getUint32(addr, true);
const id = v_ref & 0xffffffffn;
return this._values[id];
}
const storeValue = (addr, v) => {
const nanHead = 0x7FF80000;
const loadValue = (addr) => {
let v_ref = mem().getBigUint64(addr, true);
return unboxValue(v_ref);
}
const boxValue = (v) => {
const nanHead = 0x7FF80000n;
if (typeof v === "number") {
if (isNaN(v)) {
mem().setUint32(addr + 4, nanHead, true);
mem().setUint32(addr, 0, true);
return;
return nanHead << 32n;
}
if (v === 0) {
mem().setUint32(addr + 4, nanHead, true);
mem().setUint32(addr, 1, true);
return;
return (nanHead << 32n) | 1n;
}
mem().setFloat64(addr, v, true);
return;
reinterpretBuf.setFloat64(0, v, true);
return reinterpretBuf.getBigInt64(0, true);
}
switch (v) {
case undefined:
mem().setFloat64(addr, 0, true);
return;
return 0n;
case null:
mem().setUint32(addr + 4, nanHead, true);
mem().setUint32(addr, 2, true);
return;
return (nanHead << 32n) | 2n;
case true:
mem().setUint32(addr + 4, nanHead, true);
mem().setUint32(addr, 3, true);
return;
return (nanHead << 32n) | 3n;
case false:
mem().setUint32(addr + 4, nanHead, true);
mem().setUint32(addr, 4, true);
return;
return (nanHead << 32n) | 4n;
}
let id = this._ids.get(v);
if (id === undefined) {
id = this._idPool.pop();
if (id === undefined) {
id = this._values.length;
id = BigInt(this._values.length);
}
this._values[id] = v;
this._goRefCounts[id] = 0;
this._ids.set(v, id);
}
this._goRefCounts[id]++;
let typeFlag = 1;
let typeFlag = 1n;
switch (typeof v) {
case "string":
typeFlag = 2;
typeFlag = 2n;
break;
case "symbol":
typeFlag = 3;
typeFlag = 3n;
break;
case "function":
typeFlag = 4;
typeFlag = 4n;
break;
}
mem().setUint32(addr + 4, nanHead | typeFlag, true);
mem().setUint32(addr, id, true);
return id | ((nanHead | typeFlag) << 32n);
}
const storeValue = (addr, v) => {
let v_ref = boxValue(v);
mem().setBigUint64(addr, v_ref, true);
}
const loadSlice = (array, len, cap) => {
@ -302,7 +292,7 @@
return 0;
},
},
env: {
gojs: {
// func ticks() float64
"runtime.ticks": () => {
return timeOrigin + performance.now();
@ -315,54 +305,54 @@
},
// func finalizeRef(v ref)
"syscall/js.finalizeRef": (sp) => {
"syscall/js.finalizeRef": (v_ref) => {
// Note: TinyGo does not support finalizers so this should never be
// called.
// console.error('syscall/js.finalizeRef not implemented');
},
// func stringVal(value string) ref
"syscall/js.stringVal": (ret_ptr, value_ptr, value_len) => {
"syscall/js.stringVal": (value_ptr, value_len) => {
const s = loadString(value_ptr, value_len);
storeValue(ret_ptr, s);
return boxValue(s);
},
// func valueGet(v ref, p string) ref
"syscall/js.valueGet": (retval, v_addr, p_ptr, p_len) => {
"syscall/js.valueGet": (v_ref, p_ptr, p_len) => {
let prop = loadString(p_ptr, p_len);
let value = loadValue(v_addr);
let result = Reflect.get(value, prop);
storeValue(retval, result);
let v = unboxValue(v_ref);
let result = Reflect.get(v, prop);
return boxValue(result);
},
// func valueSet(v ref, p string, x ref)
"syscall/js.valueSet": (v_addr, p_ptr, p_len, x_addr) => {
const v = loadValue(v_addr);
"syscall/js.valueSet": (v_ref, p_ptr, p_len, x_ref) => {
const v = unboxValue(v_ref);
const p = loadString(p_ptr, p_len);
const x = loadValue(x_addr);
const x = unboxValue(x_ref);
Reflect.set(v, p, x);
},
// func valueDelete(v ref, p string)
"syscall/js.valueDelete": (v_addr, p_ptr, p_len) => {
const v = loadValue(v_addr);
"syscall/js.valueDelete": (v_ref, p_ptr, p_len) => {
const v = unboxValue(v_ref);
const p = loadString(p_ptr, p_len);
Reflect.deleteProperty(v, p);
},
// func valueIndex(v ref, i int) ref
"syscall/js.valueIndex": (ret_addr, v_addr, i) => {
storeValue(ret_addr, Reflect.get(loadValue(v_addr), i));
"syscall/js.valueIndex": (v_ref, i) => {
return boxValue(Reflect.get(unboxValue(v_ref), i));
},
// valueSetIndex(v ref, i int, x ref)
"syscall/js.valueSetIndex": (v_addr, i, x_addr) => {
Reflect.set(loadValue(v_addr), i, loadValue(x_addr));
"syscall/js.valueSetIndex": (v_ref, i, x_ref) => {
Reflect.set(unboxValue(v_ref), i, unboxValue(x_ref));
},
// func valueCall(v ref, m string, args []ref) (ref, bool)
"syscall/js.valueCall": (ret_addr, v_addr, m_ptr, m_len, args_ptr, args_len, args_cap) => {
const v = loadValue(v_addr);
"syscall/js.valueCall": (ret_addr, v_ref, m_ptr, m_len, args_ptr, args_len, args_cap) => {
const v = unboxValue(v_ref);
const name = loadString(m_ptr, m_len);
const args = loadSliceOfValues(args_ptr, args_len, args_cap);
try {
@ -376,9 +366,9 @@
},
// func valueInvoke(v ref, args []ref) (ref, bool)
"syscall/js.valueInvoke": (ret_addr, v_addr, args_ptr, args_len, args_cap) => {
"syscall/js.valueInvoke": (ret_addr, v_ref, args_ptr, args_len, args_cap) => {
try {
const v = loadValue(v_addr);
const v = unboxValue(v_ref);
const args = loadSliceOfValues(args_ptr, args_len, args_cap);
storeValue(ret_addr, Reflect.apply(v, undefined, args));
mem().setUint8(ret_addr + 8, 1);
@ -389,8 +379,8 @@
},
// func valueNew(v ref, args []ref) (ref, bool)
"syscall/js.valueNew": (ret_addr, v_addr, args_ptr, args_len, args_cap) => {
const v = loadValue(v_addr);
"syscall/js.valueNew": (ret_addr, v_ref, args_ptr, args_len, args_cap) => {
const v = unboxValue(v_ref);
const args = loadSliceOfValues(args_ptr, args_len, args_cap);
try {
storeValue(ret_addr, Reflect.construct(v, args));
@ -402,66 +392,70 @@
},
// func valueLength(v ref) int
"syscall/js.valueLength": (v_addr) => {
return loadValue(v_addr).length;
"syscall/js.valueLength": (v_ref) => {
return unboxValue(v_ref).length;
},
// valuePrepareString(v ref) (ref, int)
"syscall/js.valuePrepareString": (ret_addr, v_addr) => {
const s = String(loadValue(v_addr));
"syscall/js.valuePrepareString": (ret_addr, v_ref) => {
const s = String(unboxValue(v_ref));
const str = encoder.encode(s);
storeValue(ret_addr, str);
setInt64(ret_addr + 8, str.length);
mem().setInt32(ret_addr + 8, str.length, true);
},
// valueLoadString(v ref, b []byte)
"syscall/js.valueLoadString": (v_addr, slice_ptr, slice_len, slice_cap) => {
const str = loadValue(v_addr);
"syscall/js.valueLoadString": (v_ref, slice_ptr, slice_len, slice_cap) => {
const str = unboxValue(v_ref);
loadSlice(slice_ptr, slice_len, slice_cap).set(str);
},
// func valueInstanceOf(v ref, t ref) bool
"syscall/js.valueInstanceOf": (v_addr, t_addr) => {
return loadValue(v_addr) instanceof loadValue(t_addr);
"syscall/js.valueInstanceOf": (v_ref, t_ref) => {
return unboxValue(v_ref) instanceof unboxValue(t_ref);
},
// func copyBytesToGo(dst []byte, src ref) (int, bool)
"syscall/js.copyBytesToGo": (ret_addr, dest_addr, dest_len, dest_cap, source_addr) => {
"syscall/js.copyBytesToGo": (ret_addr, dest_addr, dest_len, dest_cap, src_ref) => {
let num_bytes_copied_addr = ret_addr;
let returned_status_addr = ret_addr + 4; // Address of returned boolean status variable
const dst = loadSlice(dest_addr, dest_len);
const src = loadValue(source_addr);
const src = unboxValue(src_ref);
if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
mem().setUint8(returned_status_addr, 0); // Return "not ok" status
return;
}
const toCopy = src.subarray(0, dst.length);
dst.set(toCopy);
setInt64(num_bytes_copied_addr, toCopy.length);
mem().setUint32(num_bytes_copied_addr, toCopy.length, true);
mem().setUint8(returned_status_addr, 1); // Return "ok" status
},
// copyBytesToJS(dst ref, src []byte) (int, bool)
// Originally copied from upstream Go project, then modified:
// https://github.com/golang/go/blob/3f995c3f3b43033013013e6c7ccc93a9b1411ca9/misc/wasm/wasm_exec.js#L404-L416
"syscall/js.copyBytesToJS": (ret_addr, dest_addr, source_addr, source_len, source_cap) => {
"syscall/js.copyBytesToJS": (ret_addr, dst_ref, src_addr, src_len, src_cap) => {
let num_bytes_copied_addr = ret_addr;
let returned_status_addr = ret_addr + 4; // Address of returned boolean status variable
const dst = loadValue(dest_addr);
const src = loadSlice(source_addr, source_len);
const dst = unboxValue(dst_ref);
const src = loadSlice(src_addr, src_len);
if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
mem().setUint8(returned_status_addr, 0); // Return "not ok" status
return;
}
const toCopy = src.subarray(0, dst.length);
dst.set(toCopy);
setInt64(num_bytes_copied_addr, toCopy.length);
mem().setUint32(num_bytes_copied_addr, toCopy.length, true);
mem().setUint8(returned_status_addr, 1); // Return "ok" status
},
}
};
// Go 1.20 uses 'env'. Go 1.21 uses 'gojs'.
// For compatibility, we use both as long as Go 1.20 is supported.
this.importObject.env = this.importObject.gojs;
}
async run(instance) {

2
go.mod
View File

@ -1,3 +1,3 @@
module github.com/syumai/workers
go 1.18
go 1.21.3