forked from TrueCloudLab/neoneo-go
e2bfff8666
VM should be responsible for code execution and in case anyone interested in additional logging or errors they could handle them like we do it iin cli.
55 lines
1 KiB
Go
55 lines
1 KiB
Go
package vm
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import (
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"errors"
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"io/ioutil"
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"github.com/CityOfZion/neo-go/pkg/vm"
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vmcli "github.com/CityOfZion/neo-go/pkg/vm/cli"
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"github.com/urfave/cli"
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)
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// NewCommand creates a new VM command.
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func NewCommand() cli.Command {
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return cli.Command{
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Name: "vm",
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Usage: "start the virtual machine",
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Action: startVMPrompt,
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Flags: []cli.Flag{
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cli.BoolFlag{Name: "debug, d"},
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},
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Subcommands: []cli.Command{
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{
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Name: "inspect",
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Usage: "dump instructions of the avm file given",
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Action: inspect,
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "in, i",
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Usage: "input file of the program (AVM)",
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},
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},
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},
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},
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}
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}
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func startVMPrompt(ctx *cli.Context) error {
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p := vmcli.New()
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return p.Run()
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}
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func inspect(ctx *cli.Context) error {
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avm := ctx.String("in")
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if len(avm) == 0 {
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return cli.NewExitError(errors.New("no input file given"), 1)
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}
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b, err := ioutil.ReadFile(avm)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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v := vm.New()
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v.LoadScript(b)
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v.PrintOps()
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return nil
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}
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