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58 lines
2.3 KiB
Rust
58 lines
2.3 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::*;
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#[proc_macro]
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pub fn my_macro(input: TokenStream) -> TokenStream {
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input
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}
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#[proc_macro_attribute]
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pub fn my_macro_attr(input: TokenStream, _: TokenStream) -> TokenStream {
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input
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}
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#[proc_macro_derive(MyTrait)]
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pub fn my_macro_derive(input: TokenStream) -> TokenStream {
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input
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}
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fn check_bang1() {
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my_macro!(); //~ ERROR can't use a procedural macro from the same crate that defines it
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}
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fn check_bang2() {
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my_macro_attr!(); //~ ERROR cannot find macro `my_macro_attr` in this scope
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crate::my_macro_attr!(); //~ ERROR can't use a procedural macro from the same crate that defines
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//~| ERROR expected macro, found attribute macro `crate::my_macro_attr`
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}
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fn check_bang3() {
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MyTrait!(); //~ ERROR cannot find macro `MyTrait` in this scope
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crate::MyTrait!(); //~ ERROR can't use a procedural macro from the same crate that defines it
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//~| ERROR expected macro, found derive macro `crate::MyTrait`
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}
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#[my_macro] //~ ERROR cannot find attribute `my_macro` in this scope
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#[crate::my_macro] //~ ERROR can't use a procedural macro from the same crate that defines it
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//~| ERROR expected attribute, found macro `crate::my_macro`
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fn check_attr1() {}
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#[my_macro_attr] //~ ERROR can't use a procedural macro from the same crate that defines it
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fn check_attr2() {}
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#[MyTrait] //~ ERROR can't use a procedural macro from the same crate that defines it
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//~| ERROR expected attribute, found derive macro `MyTrait`
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fn check_attr3() {}
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#[derive(my_macro)] //~ ERROR cannot find derive macro `my_macro` in this scope
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//~| ERROR cannot find derive macro `my_macro` in this scope
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#[derive(crate::my_macro)] //~ ERROR can't use a procedural macro from the same crate that defines
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//~| ERROR expected derive macro, found macro `crate::my_macro`
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struct CheckDerive1;
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#[derive(my_macro_attr)] //~ ERROR can't use a procedural macro from the same crate that defines it
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//~| ERROR expected derive macro, found attribute macro `my_macro_attr`
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struct CheckDerive2;
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#[derive(MyTrait)] //~ ERROR can't use a procedural macro from the same crate that defines it
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struct CheckDerive3;
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