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22 changes: 16 additions & 6 deletions lrpar/src/lib/ctbuilder.rs
Original file line number Diff line number Diff line change
Expand Up @@ -184,6 +184,16 @@ pub enum RustEdition {
Rust2021,
}

impl RustEdition {
fn to_variant_tokens(self) -> TokenStream {
match self {
RustEdition::Rust2015 => quote!(::lrpar::RustEdition::Rust2015),
RustEdition::Rust2018 => quote!(::lrpar::RustEdition::Rust2018),
RustEdition::Rust2021 => quote!(::lrpar::RustEdition::Rust2021),
}
}
}

impl ToTokens for Visibility {
fn to_tokens(&self, tokens: &mut TokenStream) {
tokens.extend(match self {
Expand All @@ -201,8 +211,8 @@ impl ToTokens for Visibility {
}

impl Visibility {
fn to_variant_tokens(&self, tokens: &mut TokenStream) {
tokens.extend(match self {
fn to_variant_tokens(&self) -> TokenStream {
match self {
Visibility::Private => quote!(::lrpar::Visibility::Private),
Visibility::Public => quote!(::lrpar::Visibility::Public),
Visibility::PublicSuper => quote!(::lrpar::Visibility::PublicSuper),
Expand All @@ -212,7 +222,7 @@ impl Visibility {
let data = QuoteToString(data);
quote!(::lrpar::Visibility::PublicIn(#data))
}
})
}
}
}

Expand Down Expand Up @@ -806,10 +816,9 @@ where
let mod_name = QuoteOption(self.mod_name);
let recoverer = self.recoverer;
let yacckind = self.yacckind;
let mut visibility = TokenStream::new();
self.visibility.to_variant_tokens(&mut visibility);
let visibility = self.visibility.to_variant_tokens();
let rust_edition = self.rust_edition.to_variant_tokens();
let error_on_conflicts = self.error_on_conflicts;

let rule_map = grm
.iter_tidxs()
.map(|tidx| {
Expand All @@ -832,6 +841,7 @@ where
const RECOVERER: RecoveryKind = #recoverer;
const YACC_KIND: YaccKind = #yacckind;
const ERROR_ON_CONFLICTS: bool = #error_on_conflicts;
const RUST_EDITION: RustEdition = #rust_edition;
const RULE_IDS_MAP: [(usize, &str); #rule_map_len] = [#(#rule_map,)*];
fn visibility() -> Visibility {
#visibility
Expand Down