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Make param parsing more resilient, correct missing param error (#4470)

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This commit is contained in:
JT
2022-02-14 12:33:47 -05:00
committed by GitHub
parent f3d3e819fb
commit fbaafaa459
2 changed files with 20 additions and 6 deletions
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21
crates/nu-parser/src/parser.rs
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@ -96,7 +96,7 @@ pub fn check_call(command: Span, sig: &Signature, call: &Call) -> Option<ParseEr
// that that positional argument is missing from the parsed call
for argument in &sig.required_positional {
let found = call.positional.iter().fold(false, |ac, expr| {
if argument.shape.to_type() == expr.ty {
if argument.shape.to_type() == expr.ty || argument.shape == SyntaxShape::Any {
true
} else {
ac
@ -494,12 +494,12 @@ fn calculate_end_span(
}
} else {
// Make space for the remaining require positionals, if we can
if positional_idx < signature.required_positional.len()
if signature.num_positionals_after(positional_idx) == 0 {
spans.len()
} else if positional_idx < signature.required_positional.len()
&& spans.len() > (signature.required_positional.len() - positional_idx)
{
spans.len() - (signature.required_positional.len() - positional_idx - 1)
} else if signature.num_positionals_after(positional_idx) == 0 {
spans.len()
} else {
spans_idx + 1
}
@ -724,11 +724,20 @@ pub fn parse_internal_call(
if let Some(positional) = signature.get_positional(positional_idx) {
let end = calculate_end_span(working_set, &signature, spans, spans_idx, positional_idx);
if spans[..end].is_empty() {
let end = if spans.len() > spans_idx && end == spans_idx {
end + 1
} else {
end
};
if spans[..end].is_empty() || spans_idx == end {
error = error.or_else(|| {
Some(ParseError::MissingPositional(
positional.name.clone(),
spans[spans_idx],
Span {
start: spans[spans_idx].end,
end: spans[spans_idx].end,
},
signature.call_signature(),
))
});