holm/nushell
1
1
Fork 0
forked from extern/nushell
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add the default help flag

Browse Source
This commit is contained in:
JT
2021-10-14 06:53:27 +13:00
parent ff6cc2cbdd
commit fdd2c35fd9
8 changed files with 89 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
crates/nu-parser/src/parser.rs
View File

@ -52,6 +52,11 @@ fn is_variable(bytes: &[u8]) -> bool {
}
fn check_call(command: Span, sig: &Signature, call: &Call) -> Option<ParseError> {
// Allow the call to pass if they pass in the help flag
if call.named.iter().any(|(n, _)| n.item == "help") {
return None;
}
if call.positional.len() < sig.required_positional.len() {
let missing = &sig.required_positional[call.positional.len()];
Some(ParseError::MissingPositional(missing.name.clone(), command))
@ -153,6 +158,7 @@ fn parse_long_flag(
let split: Vec<_> = arg_contents.split(|x| *x == b'=').collect();
let long_name = String::from_utf8(split[0].into());
if let Ok(long_name) = long_name {
let long_name = long_name[2..].to_string();
if let Some(flag) = sig.get_long_flag(&long_name) {
if let Some(arg_shape) = &flag.arg {
if split.len() > 1 {
@ -1974,7 +1980,7 @@ pub fn parse_signature_helper(
let flags: Vec<_> =
contents.split(|x| x == &b'(').map(|x| x.to_vec()).collect();
let long = String::from_utf8_lossy(&flags[0]).to_string();
let long = String::from_utf8_lossy(&flags[0][2..]).to_string();
let variable_name = flags[0][2..].to_vec();
let var_id = working_set.add_variable(variable_name, Type::Unknown);
@ -2003,7 +2009,7 @@ pub fn parse_signature_helper(
let short_flag =
String::from_utf8_lossy(short_flag).to_string();
let chars: Vec<char> = short_flag.chars().collect();
let long = String::from_utf8_lossy(&flags[0]).to_string();
let long = String::from_utf8_lossy(&flags[0][2..]).to_string();
let variable_name = flags[0][2..].to_vec();
let var_id =
working_set.add_variable(variable_name, Type::Unknown);