diff options
Diffstat (limited to 'src/test/ui/proc-macro/auxiliary/attr-stmt-expr.rs')
-rw-r--r-- | src/test/ui/proc-macro/auxiliary/attr-stmt-expr.rs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/attr-stmt-expr.rs b/src/test/ui/proc-macro/auxiliary/attr-stmt-expr.rs new file mode 100644 index 000000000..4d6dc06b4 --- /dev/null +++ b/src/test/ui/proc-macro/auxiliary/attr-stmt-expr.rs @@ -0,0 +1,49 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::TokenStream; + +#[proc_macro_attribute] +pub fn expect_let(attr: TokenStream, item: TokenStream) -> TokenStream { + assert!(attr.to_string().is_empty()); + assert_eq!(item.to_string(), "let string = \"Hello, world!\" ;"); + item +} + +#[proc_macro_attribute] +pub fn expect_my_macro_stmt(attr: TokenStream, item: TokenStream) -> TokenStream { + assert!(attr.to_string().is_empty()); + assert_eq!(item.to_string(), "my_macro! (\"{}\", string) ;"); + item +} + +#[proc_macro_attribute] +pub fn expect_expr(attr: TokenStream, item: TokenStream) -> TokenStream { + assert!(attr.to_string().is_empty()); + assert_eq!(item.to_string(), "print_str(\"string\")"); + item +} + +#[proc_macro_attribute] +pub fn expect_my_macro_expr(attr: TokenStream, item: TokenStream) -> TokenStream { + assert!(attr.to_string().is_empty()); + assert_eq!(item.to_string(), "my_macro! (\"{}\", string)"); + item +} + +#[proc_macro_attribute] +pub fn duplicate(attr: TokenStream, item: TokenStream) -> TokenStream { + assert!(attr.to_string().is_empty()); + format!("{}, {}", item, item).parse().unwrap() +} + +#[proc_macro_attribute] +pub fn no_output(attr: TokenStream, item: TokenStream) -> TokenStream { + assert!(attr.to_string().is_empty()); + assert!(!item.to_string().is_empty()); + "".parse().unwrap() +} |