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https://github.com/nspcc-dev/neo-go.git
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vm/cli: add push command to push something to the estack
This commit is contained in:
parent
03cc8c118f
commit
318ca55982
1 changed files with 66 additions and 32 deletions
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@ -87,6 +87,16 @@ var commands = []*ishell.Cmd{
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> load /path/to/file.go`,
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Func: handleLoadGo,
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},
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{
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Name: "push",
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Help: "Push given item to the estack",
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LongHelp: `Usage: push <parameter>
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<parameter> is mandatory, example:
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> push methodstring
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See run command help for parameter syntax.`,
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Func: handlePush,
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},
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{
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Name: "run",
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Help: "Execute the current loaded script",
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@ -270,6 +280,20 @@ func handleLoadGo(c *ishell.Context) {
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changePrompt(c, v)
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}
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func handlePush(c *ishell.Context) {
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v := getVMFromContext(c)
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if len(c.Args) == 0 {
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c.Err(errors.New("missing parameter"))
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return
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}
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param, err := parseArg(c.Args[0])
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if err != nil {
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c.Err(err)
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return
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}
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v.Estack().PushVal(param)
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}
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func handleRun(c *ishell.Context) {
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v := getVMFromContext(c)
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if len(c.Args) != 0 {
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@ -408,43 +432,53 @@ func isMethodArg(s string) bool {
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func parseArgs(args []string) ([]vm.StackItem, error) {
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items := make([]vm.StackItem, len(args))
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for i, arg := range args {
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var typ, value string
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typeAndVal := strings.Split(arg, ":")
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if len(typeAndVal) < 2 {
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if typeAndVal[0] == boolFalse || typeAndVal[0] == boolTrue {
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typ = boolType
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} else if _, err := strconv.Atoi(typeAndVal[0]); err == nil {
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typ = intType
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} else {
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typ = stringType
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}
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value = typeAndVal[0]
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} else {
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typ = typeAndVal[0]
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value = typeAndVal[1]
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item, err := parseArg(arg)
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if err != nil {
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return nil, err
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}
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items[i] = item
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}
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return items, nil
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}
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switch typ {
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case boolType:
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if value == boolFalse {
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items[i] = vm.NewBoolItem(false)
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} else if value == boolTrue {
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items[i] = vm.NewBoolItem(true)
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} else {
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return nil, errors.New("failed to parse bool parameter")
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}
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case intType:
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val, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return nil, err
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}
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items[i] = vm.NewBigIntegerItem(val)
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case stringType:
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items[i] = vm.NewByteArrayItem([]byte(value))
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func parseArg(arg string) (vm.StackItem, error) {
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var typ, value string
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var item vm.StackItem
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typeAndVal := strings.Split(arg, ":")
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if len(typeAndVal) < 2 {
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if typeAndVal[0] == boolFalse || typeAndVal[0] == boolTrue {
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typ = boolType
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} else if _, err := strconv.Atoi(typeAndVal[0]); err == nil {
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typ = intType
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} else {
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typ = stringType
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}
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value = typeAndVal[0]
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} else {
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typ = typeAndVal[0]
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value = typeAndVal[1]
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}
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return items, nil
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switch typ {
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case boolType:
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if value == boolFalse {
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item = vm.NewBoolItem(false)
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} else if value == boolTrue {
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item = vm.NewBoolItem(true)
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} else {
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return nil, errors.New("failed to parse bool parameter")
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}
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case intType:
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val, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return nil, err
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}
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item = vm.NewBigIntegerItem(val)
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case stringType:
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item = vm.NewByteArrayItem([]byte(value))
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}
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return item, nil
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}
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func printLogo(c *ishell.Shell) {
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