44 lines
1.9 KiB
Rust
44 lines
1.9 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 >
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(#[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 :
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u32) {} fn
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hello_self(#[a1] #[a2] & self, #[a1] #[a2] a : i32, #[what = "how"] b :
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i32, #[angery(true)] c : u32) {}
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}"#);
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