feat: make prompt optional in hilbish.read

reuse-runner-2
TorchedSammy 4 months ago
parent 3bec2c91a8
commit 3ee2b03330
Signed by: sammyette
GPG Key ID: 904FC49417B44DCD

@ -250,23 +250,27 @@ func hlcwd(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
}
// read(prompt) -> input?
// read(prompt?) -> input?
// Read input from the user, using Hilbish's line editor/input reader.
// This is a separate instance from the one Hilbish actually uses.
// Returns `input`, will be nil if ctrl + d is pressed, or an error occurs (which shouldn't happen)
// --- @param prompt string
func hlread(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
if err := c.Check1Arg(); err != nil {
return nil, err
luaprompt := c.Arg(0)
if typ := luaprompt.Type(); typ != rt.StringType && typ != rt.NilType {
return nil, errors.New("expected #1 to be a string")
}
luaprompt, err := c.StringArg(0)
if err != nil {
return nil, err
prompt, ok := luaprompt.TryString()
if !ok {
// if we are here and `luaprompt` is not a string, it's nil
// substitute with an empty string
prompt = ""
}
lualr := &lineReader{
rl: readline.NewInstance(),
}
lualr.SetPrompt(luaprompt)
lualr.SetPrompt(prompt)
input, err := lualr.Read()
if err != nil {

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