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Merge pull request #4783 from epage/perf

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perf(derive): Reduce the amount of generated code
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Ed Page 2023-03-24 08:23:21 -05:00 committed by GitHub
commit e626dd4ffc
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1 changed files with 9 additions and 5 deletions
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14
clap_derive/src/item.rs
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@ -277,6 +277,10 @@ impl Item {
} }
fn push_method(&mut self, kind: AttrKind, name: Ident, arg: impl ToTokens) { fn push_method(&mut self, kind: AttrKind, name: Ident, arg: impl ToTokens) {
self.push_method_(kind, name, arg.to_token_stream());
}
fn push_method_(&mut self, kind: AttrKind, name: Ident, arg: TokenStream) {
if name == "id" { if name == "id" {
match kind { match kind {
AttrKind::Command | AttrKind::Value => { AttrKind::Command | AttrKind::Value => {
@ -293,7 +297,7 @@ impl Item {
} }
AttrKind::Group | AttrKind::Arg | AttrKind::Clap | AttrKind::StructOpt => {} AttrKind::Group | AttrKind::Arg | AttrKind::Clap | AttrKind::StructOpt => {}
} }
self.name = Name::Assigned(quote!(#arg)); self.name = Name::Assigned(arg);
} else if name == "name" { } else if name == "name" {
match kind { match kind {
AttrKind::Arg => { AttrKind::Arg => {
@ -315,16 +319,16 @@ impl Item {
| AttrKind::Clap | AttrKind::Clap
| AttrKind::StructOpt => {} | AttrKind::StructOpt => {}
} }
self.name = Name::Assigned(quote!(#arg)); self.name = Name::Assigned(arg);
} else if name == "value_parser" { } else if name == "value_parser" {
self.value_parser = Some(ValueParser::Explicit(Method::new(name, quote!(#arg)))); self.value_parser = Some(ValueParser::Explicit(Method::new(name, arg)));
} 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, arg)));
} else { } else {
if name == "short" || name == "long" { if name == "short" || name == "long" {
self.is_positional = false; self.is_positional = false;
} }
self.methods.push(Method::new(name, quote!(#arg))); self.methods.push(Method::new(name, arg));
} }
} }