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perf(derive): Cache positional status

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Ed Page 2022-06-07 15:05:11 -05:00
parent 7980c5ceb8
commit efc1520223
1 changed files with 9 additions and 6 deletions
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15
clap_derive/src/attrs.rs
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@ -50,6 +50,7 @@ pub struct Attrs {
next_help_heading: Option<Method>, next_help_heading: Option<Method>,
help_heading: Option<Method>, help_heading: Option<Method>,
is_enum: bool, is_enum: bool,
is_positional: bool,
kind: Sp<Kind>, kind: Sp<Kind>,
} }
@ -436,6 +437,7 @@ impl Attrs {
next_help_heading: None, next_help_heading: None,
help_heading: None, help_heading: None,
is_enum: false, is_enum: false,
is_positional: true,
kind: Sp::new(Kind::Arg(Sp::new(Ty::Other, default_span)), default_span), kind: Sp::new(Kind::Arg(Sp::new(Ty::Other, default_span)), default_span),
} }
} }
@ -448,6 +450,9 @@ impl Attrs {
} else if name == "action" { } else if name == "action" {
self.action = Some(Action::Explicit(Method::new(name, quote!(#arg)))); self.action = Some(Action::Explicit(Method::new(name, quote!(#arg))));
} else { } else {
if name == "short" || name == "long" {
self.is_positional = false;
}
self.methods.push(Method::new(name, quote!(#arg))); self.methods.push(Method::new(name, quote!(#arg)));
} }
} }
@ -810,6 +815,10 @@ impl Attrs {
self.is_enum self.is_enum
} }
pub fn is_positional(&self) -> bool {
self.is_positional
}
pub fn ignore_case(&self) -> TokenStream { pub fn ignore_case(&self) -> TokenStream {
let method = self.find_method("ignore_case"); let method = self.find_method("ignore_case");
@ -828,12 +837,6 @@ impl Attrs {
self.env_casing.clone() self.env_casing.clone()
} }
pub fn is_positional(&self) -> bool {
self.methods
.iter()
.all(|m| m.name != "long" && m.name != "short")
}
pub fn has_explicit_methods(&self) -> bool { pub fn has_explicit_methods(&self) -> bool {
self.methods self.methods
.iter() .iter()