删除 tools/wa-wasmer-run

tools/wa-wasmer-run/go.mod

-module github.com/wa-lang/wa/tools/wa-wasmer-run
-
-go 1.18
-
-require github.com/wasmerio/wasmer-go v1.0.4

tools/wa-wasmer-run/go.sum

-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/wasmerio/wasmer-go v1.0.4 h1:MnqHoOGfiQ8MMq2RF6wyCeebKOe84G88h5yv+vmxJgs=
-github.com/wasmerio/wasmer-go v1.0.4/go.mod h1:0gzVdSfg6pysA6QVp6iVRPTagC6Wq9pOE8J86WKb2Fk=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

tools/wa-wasmer-run/main.go

-// 版权 @2022 凹语言 作者。保留所有权利。
-
-package main
-
-import (
-	"encoding/binary"
-	"flag"
-	"fmt"
-	"os"
-
-	"github.com/wasmerio/wasmer-go/wasmer"
-)
-
-var flagFile = flag.String("file", "a.out.wasm", "wasm file")
-
-func main() {
-	flag.Parse()
-	wasmBytes, err := os.ReadFile(*flagFile)
-	if err != nil {
-		fmt.Printf("read %q failed: %v", *flagFile, err)
-		os.Exit(1)
-	}
-	if err = Run(wasmBytes); err != nil {
-		fmt.Printf("run %q failed: %v", *flagFile, err)
-		os.Exit(1)
-	}
-}
-
-func Run(wasmBytes []byte) error {
-	engine := wasmer.NewEngine()
-	store := wasmer.NewStore(engine)
-
-	module, err := wasmer.NewModule(store, wasmBytes)
-	if err != nil {
-		return err
-	}
-
-	var memory *wasmer.Memory
-
-	// type iov struct { iov_base, iov_len int32 }
-	// func fd_write(fd int32, id *iov, iovs_len int32, nwritten *int32) (errno int32)
-
-	wasiFdWrite := wasmer.NewFunction(store,
-		wasmer.NewFunctionType(
-			wasmer.NewValueTypes(wasmer.I32, wasmer.I32, wasmer.I32, wasmer.I32),
-			wasmer.NewValueTypes(wasmer.I32),
-		),
-		func(args []wasmer.Value) ([]wasmer.Value, error) {
-			var argv []int
-			for _, arg := range args {
-				argv = append(argv, int(arg.I32()))
-			}
-
-			iov := argv[1]
-			iov_base := binary.LittleEndian.Uint32(memory.Data()[iov:][:4])
-			iov_len := binary.LittleEndian.Uint32(memory.Data()[iov+4:][:4])
-
-			msg := string(memory.Data()[iov_base:][:iov_len])
-			fmt.Print(msg)
-
-			return []wasmer.Value{wasmer.NewI32(len(msg))}, nil
-		},
-	)
-	waBuiltinWrite := wasmer.NewFunction(store,
-		wasmer.NewFunctionType(
-			wasmer.NewValueTypes(wasmer.I32),
-			wasmer.NewValueTypes(),
-		),
-		func(args []wasmer.Value) ([]wasmer.Value, error) {
-			if len(args) > 0 {
-				fmt.Println(args[0].I32())
-			}
-			return nil, nil
-		},
-	)
-
-	importObject := wasmer.NewImportObject()
-	importObject.Register("wasi_snapshot_preview1", map[string]wasmer.IntoExtern{
-		"fd_write": wasiFdWrite,
-	})
-	importObject.Register("env", map[string]wasmer.IntoExtern{
-		"__wa_builtin_print_int32": waBuiltinWrite,
-	})
-
-	instance, err := wasmer.NewInstance(module, importObject)
-	if err != nil {
-		return err
-	}
-
-	memory, err = instance.Exports.GetMemory("memory")
-	if err != nil {
-		return err
-	}
-
-	_start_fn, err := instance.Exports.GetFunction("_start")
-	if err != nil {
-		return err
-	}
-
-	if _, err = _start_fn(); err != nil {
-		return err
-	}
-
-	return nil
-}