29 lines
689 B
Rust
29 lines
689 B
Rust
//@ force-host
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//@ no-prefer-dynamic
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#![crate_type = "proc-macro"]
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#![feature(proc_macro_raw_ident)]
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extern crate proc_macro;
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use proc_macro::*;
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#[proc_macro]
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pub fn invalid_punct(_: TokenStream) -> TokenStream {
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TokenTree::from(Punct::new('`', Spacing::Alone)).into()
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}
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#[proc_macro]
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pub fn invalid_ident(_: TokenStream) -> TokenStream {
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TokenTree::from(Ident::new("*", Span::call_site())).into()
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}
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#[proc_macro]
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pub fn invalid_raw_ident(_: TokenStream) -> TokenStream {
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TokenTree::from(Ident::new_raw("self", Span::call_site())).into()
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}
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#[proc_macro]
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pub fn lexer_failure(_: TokenStream) -> TokenStream {
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"a b ) c".parse().expect("parsing failed without panic")
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}
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