43 lines
1.8 KiB
Rust
43 lines
1.8 KiB
Rust
//@ 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::TokenStream;
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macro_rules! checker {
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($attr_name:ident, $expected:literal) => {
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#[proc_macro_attribute]
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pub fn $attr_name(attr: TokenStream, input: TokenStream) -> TokenStream {
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assert_eq!(input.to_string(), $expected);
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TokenStream::new()
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}
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}
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}
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checker!(attr_extern, r#"extern "C" { fn ffi(#[a1] arg1: i32, #[a2] ...); }"#);
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checker!(attr_extern_cvar, r#"unsafe extern "C" fn cvar(arg1: i32, #[a1] mut args: ...) {}"#);
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checker!(attr_alias, "type Alias = fn(#[a1] u8, #[a2] ...);");
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checker!(attr_free, "fn free(#[a1] arg1: u8) { let lam = |#[a2] W(x), #[a3] y| (); }");
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checker!(attr_inherent_1, "fn inherent1(#[a1] self, #[a2] arg1: u8) {}");
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checker!(attr_inherent_2, "fn inherent2(#[a1] &self, #[a2] arg1: u8) {}");
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checker!(attr_inherent_3, "fn inherent3<'a>(#[a1] &'a mut self, #[a2] arg1: u8) {}");
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checker!(attr_inherent_4, "fn inherent4<'a>(#[a1] self: Box<Self>, #[a2] arg1: u8) {}");
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checker!(attr_inherent_issue_64682, "fn inherent5(#[a1] #[a2] arg1: u8, #[a3] arg2: u8) {}");
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checker!(attr_trait_1, "fn trait1(#[a1] self, #[a2] arg1: u8);");
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checker!(attr_trait_2, "fn trait2(#[a1] &self, #[a2] arg1: u8);");
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checker!(attr_trait_3, "fn trait3<'a>(#[a1] &'a mut self, #[a2] arg1: u8);");
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checker!(attr_trait_4, r#"fn trait4<'a>(#[a1] self: Box<Self>, #[a2] arg1: u8, #[a3] Vec<u8>);"#);
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checker!(attr_trait_issue_64682, "fn trait5(#[a1] #[a2] arg1: u8, #[a3] arg2: u8);");
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checker!(rename_params, r#"impl Foo
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{
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fn hello(#[angery(true)] a: i32, #[a2] b: i32, #[what = "how"] c: u32) {}
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fn
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hello2(#[a1] #[a2] a: i32, #[what = "how"] b: i32, #[angery(true)] c: u32)
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{} fn
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hello_self(#[a1] #[a2] &self, #[a1] #[a2] a: i32, #[what = "how"] b: i32,
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#[angery(true)] c: u32) {}
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}"#);
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