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Fix parse u128 bug in proc-macro

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This commit is contained in:
Edwin Cheng 2021-03-31 19:50:36 +08:00
parent c69f6f31d1
commit 55a3364e35
1 changed files with 17 additions and 2 deletions
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19
crates/proc_macro_srv/src/rustc_server.rs
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@ -534,8 +534,12 @@ impl server::Literal for Rustc {
} }
fn integer(&mut self, n: &str) -> Self::Literal { fn integer(&mut self, n: &str) -> Self::Literal {
let n: i128 = n.parse().unwrap(); let n = if let Ok(n) = n.parse::<i128>() {
Literal { text: n.to_string().into(), id: tt::TokenId::unspecified() } n.to_string()
} else {
n.parse::<u128>().unwrap().to_string()
};
return Literal { text: n.into(), id: tt::TokenId::unspecified() };
} }
fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal { fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal {
@ -757,6 +761,17 @@ mod tests {
assert_eq!(srv.string("hello_world").text, "\"hello_world\""); assert_eq!(srv.string("hello_world").text, "\"hello_world\"");
assert_eq!(srv.character('c').text, "'c'"); assert_eq!(srv.character('c').text, "'c'");
assert_eq!(srv.byte_string(b"1234586\x88").text, "b\"1234586\\x88\""); assert_eq!(srv.byte_string(b"1234586\x88").text, "b\"1234586\\x88\"");
// u128::max
assert_eq!(
srv.integer("340282366920938463463374607431768211455").text,
"340282366920938463463374607431768211455"
);
// i128::min
assert_eq!(
srv.integer("-170141183460469231731687303715884105728").text,
"-170141183460469231731687303715884105728"
);
} }
#[test] #[test]