diff options
Diffstat (limited to 'vendor/syn/tests/regression/issue1235.rs')
-rw-r--r-- | vendor/syn/tests/regression/issue1235.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/syn/tests/regression/issue1235.rs b/vendor/syn/tests/regression/issue1235.rs new file mode 100644 index 0000000..8836030 --- /dev/null +++ b/vendor/syn/tests/regression/issue1235.rs @@ -0,0 +1,32 @@ +use proc_macro2::{Delimiter, Group}; +use quote::quote; + +#[test] +fn main() { + // Okay. Rustc allows top-level `static` with no value syntactically, but + // not semantically. Syn parses as Item::Verbatim. + let tokens = quote! { + pub static FOO: usize; + pub static BAR: usize; + }; + let file = syn::parse2::<syn::File>(tokens).unwrap(); + println!("{:#?}", file); + + // Okay. + let inner = Group::new( + Delimiter::None, + quote!(static FOO: usize = 0; pub static BAR: usize = 0), + ); + let tokens = quote!(pub #inner;); + let file = syn::parse2::<syn::File>(tokens).unwrap(); + println!("{:#?}", file); + + // Formerly parser crash. + let inner = Group::new( + Delimiter::None, + quote!(static FOO: usize; pub static BAR: usize), + ); + let tokens = quote!(pub #inner;); + let file = syn::parse2::<syn::File>(tokens).unwrap(); + println!("{:#?}", file); +} |