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path: root/vendor/logos-codegen/src/generator/leaf.rs
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Diffstat (limited to 'vendor/logos-codegen/src/generator/leaf.rs')
-rw-r--r--vendor/logos-codegen/src/generator/leaf.rs67
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));
- },
- }
- }
-}