diff options
Diffstat (limited to 'vendor/logos-codegen/src/generator/leaf.rs')
| -rw-r--r-- | vendor/logos-codegen/src/generator/leaf.rs | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/vendor/logos-codegen/src/generator/leaf.rs b/vendor/logos-codegen/src/generator/leaf.rs deleted file mode 100644 index 0841a4ff..00000000 --- a/vendor/logos-codegen/src/generator/leaf.rs +++ /dev/null @@ -1,67 +0,0 @@ -use proc_macro2::TokenStream; -use quote::quote; - -use crate::generator::{Context, Generator}; -use crate::leaf::{Callback, Leaf}; -use crate::util::MaybeVoid; - -impl Generator<'_> { - pub fn generate_leaf(&mut self, leaf: &Leaf, mut ctx: Context) -> TokenStream { - let bump = ctx.bump(); - - let ident = &leaf.ident; - let name = self.name; - let this = self.this; - let ty = &leaf.field; - - let constructor = match leaf.field { - MaybeVoid::Some(_) => quote!(#name::#ident), - MaybeVoid::Void => quote!(|()| #name::#ident), - }; - - match &leaf.callback { - Some(Callback::Label(callback)) => quote! { - #bump - #callback(lex).construct(#constructor, lex); - }, - Some(Callback::Inline(inline)) => { - let arg = &inline.arg; - let body = &inline.body; - - #[cfg(not(rust_1_82))] - let ret = quote!(impl CallbackResult<'s, #ty, #this>); - - #[cfg(rust_1_82)] - let ret = quote!(impl CallbackResult<'s, #ty, #this> + use<'s>); - - quote! { - #bump - - #[inline] - fn callback<'s>(#arg: &mut Lexer<'s>) -> #ret { - #body - } - - callback(lex).construct(#constructor, lex); - } - } - Some(Callback::Skip(_)) => { - quote! { - #bump - - lex.trivia(); - #name::lex(lex); - } - } - None if matches!(leaf.field, MaybeVoid::Void) => quote! { - #bump - lex.set(Ok(#name::#ident)); - }, - None => quote! { - #bump - let token = #name::#ident(lex.slice()); - lex.set(Ok(token)); - }, - } - } -} |
