package wasm /* #include extern void debug(void *context, int32_t a); extern void wexit(void *context, int32_t a); extern void wwrite(void *context, int32_t a); extern void nanotime(void *context, int32_t a); extern void walltime(void *context, int32_t a); extern void scheduleCallback(void *context, int32_t a); extern void clearScheduledCallback(void *context, int32_t a); extern void getRandomData(void *context, int32_t a); extern void stringVal(void *context, int32_t a); extern void valueGet(void *context, int32_t a); extern void valueSet(void *context, int32_t a); extern void valueIndex(void *context, int32_t a); extern void valueSetIndex(void *context, int32_t a); extern void valueCall(void *context, int32_t a); extern void valueInvoke(void *context, int32_t a); extern void valueNew(void *context, int32_t a); extern void valueLength(void *context, int32_t a); extern void valuePrepareString(void *context, int32_t a); extern void valueLoadString(void *context, int32_t a); extern void scheduleTimeoutEvent(void *context, int32_t a); extern void clearTimeoutEvent(void *context, int32_t a); */ import "C" import ( "crypto/rand" "encoding/binary" "fmt" "log" "time" "unsafe" "github.com/wasmerio/go-ext-wasm/wasmer" ) //export debug func debug(ctx unsafe.Pointer, sp int32) { log.Println(sp) } //export wexit func wexit(ctx unsafe.Pointer, sp int32) { b := getBridge(ctx) b.vmExit = true mem := b.mem() b.exitCode = int(binary.LittleEndian.Uint32(mem[sp+8:])) } //export wwrite func wwrite(ctx unsafe.Pointer, sp int32) { fmt.Println("wasm write", sp) } //export nanotime func nanotime(ctx unsafe.Pointer, sp int32) { n := time.Now().UnixNano() getBridge(ctx).setInt64(sp+8, n) } //export walltime func walltime(ctx unsafe.Pointer, sp int32) { fmt.Println("wall time") } //export scheduleCallback func scheduleCallback(ctx unsafe.Pointer, sp int32) { fmt.Println("schedule callback") } //export clearScheduledCallback func clearScheduledCallback(ctx unsafe.Pointer, sp int32) { fmt.Println("clear scheduled callback") } //export getRandomData func getRandomData(ctx unsafe.Pointer, sp int32) { s := getBridge(ctx).loadSlice(sp + 8) _, err := rand.Read(s) if err != nil { fmt.Println("failed: getRandomData", err) } } //export stringVal func stringVal(ctx unsafe.Pointer, sp int32) { fmt.Println("stringVal") } //export valueGet func valueGet(ctx unsafe.Pointer, sp int32) { b := getBridge(ctx) str := b.loadString(sp + 16) val := b.loadValue(sp + 8) fmt.Println("valueGet", str, val) } //export valueSet func valueSet(ctx unsafe.Pointer, sp int32) { str := getBridge(ctx).loadString(sp + 16) fmt.Println("valueSet", str) } //export valueIndex func valueIndex(ctx unsafe.Pointer, sp int32) { fmt.Println("valueIndex") } //export valueSetIndex func valueSetIndex(ctx unsafe.Pointer, sp int32) { fmt.Println("valueSetIndex") } //export valueCall func valueCall(ctx unsafe.Pointer, sp int32) { str := getBridge(ctx).loadString(sp + 16) fmt.Println("valueCall", str) } //export valueInvoke func valueInvoke(ctx unsafe.Pointer, sp int32) { fmt.Println("valueInvoke") } //export valueNew func valueNew(ctx unsafe.Pointer, sp int32) { str := getBridge(ctx).loadString(sp + 16) fmt.Println("valueNew", str) } //export valueLength func valueLength(ctx unsafe.Pointer, sp int32) { fmt.Println("valueLength") } //export valuePrepareString func valuePrepareString(ctx unsafe.Pointer, sp int32) { fmt.Println("valuePrepareString") } //export valueLoadString func valueLoadString(ctx unsafe.Pointer, sp int32) { fmt.Println("valueLoadString") } //export scheduleTimeoutEvent func scheduleTimeoutEvent(ctx unsafe.Pointer, sp int32) { fmt.Println("scheduleTimeoutEvent") } //export clearTimeoutEvent func clearTimeoutEvent(ctx unsafe.Pointer, sp int32) { fmt.Println("clearTimeoutEvent") } // addImports adds go Bridge imports in "go" namespace. func (b *Bridge) addImports(imps *wasmer.Imports) error { imps = imps.Namespace("go") var is = []struct { name string imp interface{} cgo unsafe.Pointer }{ {"debug", debug, C.debug}, {"runtime.wasmExit", wexit, C.wexit}, {"runtime.wasmWrite", wwrite, C.wwrite}, {"runtime.nanotime", nanotime, C.nanotime}, {"runtime.walltime", walltime, C.walltime}, {"runtime.scheduleCallback", scheduleCallback, C.scheduleCallback}, {"runtime.clearScheduledCallback", clearScheduledCallback, C.clearScheduledCallback}, {"runtime.getRandomData", getRandomData, C.getRandomData}, {"runtime.scheduleTimeoutEvent", scheduleTimeoutEvent, C.scheduleTimeoutEvent}, {"runtime.clearTimeoutEvent", clearTimeoutEvent, C.clearTimeoutEvent}, {"syscall/js.stringVal", stringVal, C.stringVal}, {"syscall/js.valueGet", valueGet, C.valueGet}, {"syscall/js.valueSet", valueSet, C.valueSet}, {"syscall/js.valueIndex", valueIndex, C.valueIndex}, {"syscall/js.valueSetIndex", valueSetIndex, C.valueSetIndex}, {"syscall/js.valueCall", valueCall, C.valueCall}, {"syscall/js.valueInvoke", valueInvoke, C.valueInvoke}, {"syscall/js.valueNew", valueNew, C.valueNew}, {"syscall/js.valueLength", valueLength, C.valueLength}, {"syscall/js.valuePrepareString", valuePrepareString, C.valuePrepareString}, {"syscall/js.valueLoadString", valueLoadString, C.valueLoadString}, } var err error for _, imp := range is { imps, err = imps.Append(imp.name, imp.imp, imp.cgo) if err != nil { return err } } return nil }