Files
tablizer/vendor/github.com/glycerine/zygomys/zygo/cfg.go
2024-05-14 12:10:58 +02:00

55 lines
1.9 KiB
Go

package zygo
import (
"flag"
)
// configure a glisp repl
type ZlispConfig struct {
CpuProfile string
MemProfile string
ExitOnFailure bool
CountFuncCalls bool
Flags *flag.FlagSet
ExtensionsVersion string
Command string
Sandboxed bool
Quiet bool
Trace bool
LoadDemoStructs bool
AfterScriptDontExit bool
// liner bombs under emacs, avoid it with this flag.
NoLiner bool
Prompt string // default "zygo> "
}
func NewZlispConfig(cmdname string) *ZlispConfig {
return &ZlispConfig{
Flags: flag.NewFlagSet(cmdname, flag.ExitOnError),
}
}
// call DefineFlags before myflags.Parse()
func (c *ZlispConfig) DefineFlags() {
c.Flags.StringVar(&c.CpuProfile, "cpuprofile", "", "write cpu profile to file")
c.Flags.StringVar(&c.MemProfile, "memprofile", "", "write mem profile to file")
c.Flags.BoolVar(&c.ExitOnFailure, "exitonfail", false, "exit on failure instead of starting repl")
c.Flags.BoolVar(&c.CountFuncCalls, "countcalls", false, "count how many times each function is run")
c.Flags.StringVar(&c.Command, "c", "", "expressions to evaluate")
c.Flags.BoolVar(&c.AfterScriptDontExit, "i", false, "after running the command line script, remain interactive rather than exiting")
c.Flags.BoolVar(&c.Sandboxed, "sandbox", false, "run sandboxed; disallow system/external interaction functions")
c.Flags.BoolVar(&c.Quiet, "quiet", false, "start repl without printing the version/mode/help banner")
c.Flags.BoolVar(&c.Trace, "trace", false, "trace execution (warning: very verbose and slow)")
c.Flags.BoolVar(&c.LoadDemoStructs, "demo", false, "load the demo structs: Event, Snoopy, Hornet, Weather and friends.")
}
// call c.ValidateConfig() after myflags.Parse()
func (c *ZlispConfig) ValidateConfig() error {
if c.Prompt == "" {
c.Prompt = "zygo> "
}
return nil
}