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mbe: split Op::Leaf and handle multi-character puncts

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This commit is contained in:
Ryo Yoshida 2022-12-27 18:18:18 +09:00
parent 47c6c8e2f3
commit ec7148b091
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GPG key ID: E25698A930586171
6 changed files with 183 additions and 56 deletions
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45
crates/hir-def/src/macro_expansion_tests/mbe.rs
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@ -1630,3 +1630,48 @@ const _: i32 = -0--1--2;
"#]],
);
}
#[test]
fn test_punct_without_space() {
// Puncts are "glued" greedily.
check(
r#"
macro_rules! foo {
(: : :) => { "1 1 1" };
(: ::) => { "1 2" };
(:: :) => { "2 1" };
(: : : :) => { "1 1 1 1" };
(:: : :) => { "2 1 1" };
(: :: :) => { "1 2 1" };
(: : ::) => { "1 1 2" };
(:: ::) => { "2 2" };
}
fn test() {
foo!(:::);
foo!(: :::);
foo!(::::);
}
"#,
expect![[r#"
macro_rules! foo {
(: : :) => { "1 1 1" };
(: ::) => { "1 2" };
(:: :) => { "2 1" };
(: : : :) => { "1 1 1 1" };
(:: : :) => { "2 1 1" };
(: :: :) => { "1 2 1" };
(: : ::) => { "1 1 2" };
(:: ::) => { "2 2" };
}
fn test() {
"2 1";
"1 2 1";
"2 2";
}
"#]],
);
}