32 lines
645 B
Rust
32 lines
645 B
Rust
// force-host
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// no-prefer-dynamic
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#![crate_type = "proc-macro"]
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#![allow(warnings)]
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extern crate proc_macro;
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use proc_macro::TokenStream;
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#[proc_macro]
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pub extern "C" fn abi(a: TokenStream) -> TokenStream {
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//~^ ERROR proc macro functions may not be `extern "C"`
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a
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}
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#[proc_macro]
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pub extern "system" fn abi2(a: TokenStream) -> TokenStream {
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//~^ ERROR proc macro functions may not be `extern "system"`
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a
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}
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#[proc_macro]
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pub extern fn abi3(a: TokenStream) -> TokenStream {
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//~^ ERROR proc macro functions may not be `extern "C"`
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a
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}
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#[proc_macro]
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pub extern "Rust" fn abi4(a: TokenStream) -> TokenStream {
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a
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}
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