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-rw-r--r--crates/proc_macro_srv/src/rustc_server.rs19
1 files changed, 17 insertions, 2 deletions
diff --git a/crates/proc_macro_srv/src/rustc_server.rs b/crates/proc_macro_srv/src/rustc_server.rs
index c147484c0..5d765f6e2 100644
--- a/crates/proc_macro_srv/src/rustc_server.rs
+++ b/crates/proc_macro_srv/src/rustc_server.rs
@@ -534,8 +534,12 @@ impl server::Literal for Rustc {
534 } 534 }
535 535
536 fn integer(&mut self, n: &str) -> Self::Literal { 536 fn integer(&mut self, n: &str) -> Self::Literal {
537 let n: i128 = n.parse().unwrap(); 537 let n = if let Ok(n) = n.parse::<i128>() {
538 Literal { text: n.to_string().into(), id: tt::TokenId::unspecified() } 538 n.to_string()
539 } else {
540 n.parse::<u128>().unwrap().to_string()
541 };
542 return Literal { text: n.into(), id: tt::TokenId::unspecified() };
539 } 543 }
540 544
541 fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal { 545 fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal {
@@ -757,6 +761,17 @@ mod tests {
757 assert_eq!(srv.string("hello_world").text, "\"hello_world\""); 761 assert_eq!(srv.string("hello_world").text, "\"hello_world\"");
758 assert_eq!(srv.character('c').text, "'c'"); 762 assert_eq!(srv.character('c').text, "'c'");
759 assert_eq!(srv.byte_string(b"1234586\x88").text, "b\"1234586\\x88\""); 763 assert_eq!(srv.byte_string(b"1234586\x88").text, "b\"1234586\\x88\"");
764
765 // u128::max
766 assert_eq!(
767 srv.integer("340282366920938463463374607431768211455").text,
768 "340282366920938463463374607431768211455"
769 );
770 // i128::min
771 assert_eq!(
772 srv.integer("-170141183460469231731687303715884105728").text,
773 "-170141183460469231731687303715884105728"
774 );
760 } 775 }
761 776
762 #[test] 777 #[test]