29 lines
665 B
Rust
29 lines
665 B
Rust
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// force-host
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// no-prefer-dynamic
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#![crate_type = "proc-macro"]
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extern crate proc_macro;
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use proc_macro::{Literal, Span, TokenStream, TokenTree};
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#[proc_macro]
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pub fn foo_with_input_span(input: TokenStream) -> TokenStream {
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let span = input.into_iter().next().unwrap().span();
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let mut lit = Literal::string("{foo}");
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lit.set_span(span);
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TokenStream::from(TokenTree::Literal(lit))
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}
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#[proc_macro]
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pub fn err_with_input_span(input: TokenStream) -> TokenStream {
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let span = input.into_iter().next().unwrap().span();
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let mut lit = Literal::string(" }");
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lit.set_span(span);
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TokenStream::from(TokenTree::Literal(lit))
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}
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