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feat: Implement expr_2021

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Shoyu Vanilla 2024-09-18 15:58:03 +09:00
parent 94b526fc86
commit d34a663c70
5 changed files with 192 additions and 21 deletions
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146
crates/mbe/src/tests.rs
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@ -177,3 +177,149 @@ fn main() {
}"#]],
);
}
#[test]
fn expr_2021() {
check(
Edition::Edition2024,
Edition::Edition2024,
r#"
($($e:expr),* $(,)?) => {
$($e);* ;
};
"#,
r#"
_,
const { 1 },
"#,
expect![[r#"
SUBTREE $$ 1:0@0..25#0 1:0@0..25#0
IDENT _ 1:0@5..6#0
PUNCH ; [joint] 0:0@36..37#0
SUBTREE () 0:0@34..35#0 0:0@34..35#0
IDENT const 1:0@12..17#0
SUBTREE {} 1:0@18..19#0 1:0@22..23#0
LITERAL Integer 1 1:0@20..21#0
PUNCH ; [alone] 0:0@39..40#0
_;
(const {
1
});"#]],
);
check(
Edition::Edition2021,
Edition::Edition2024,
r#"
($($e:expr),* $(,)?) => {
$($e);* ;
};
"#,
r#"
_,
"#,
expect![[r#"
ExpandError {
inner: (
1:0@5..6#0,
NoMatchingRule,
),
}
SUBTREE $$ 1:0@0..8#0 1:0@0..8#0
PUNCH ; [alone] 0:0@39..40#0
;"#]],
);
check(
Edition::Edition2021,
Edition::Edition2024,
r#"
($($e:expr),* $(,)?) => {
$($e);* ;
};
"#,
r#"
const { 1 },
"#,
expect![[r#"
ExpandError {
inner: (
1:0@5..10#0,
NoMatchingRule,
),
}
SUBTREE $$ 1:0@0..18#0 1:0@0..18#0
PUNCH ; [alone] 0:0@39..40#0
;"#]],
);
check(
Edition::Edition2024,
Edition::Edition2024,
r#"
($($e:expr_2021),* $(,)?) => {
$($e);* ;
};
"#,
r#"
4,
"literal",
funcall(),
future.await,
break 'foo bar,
"#,
expect![[r#"
SUBTREE $$ 1:0@0..76#0 1:0@0..76#0
LITERAL Integer 4 1:0@5..6#0
PUNCH ; [joint] 0:0@41..42#0
LITERAL Str literal 1:0@12..21#0
PUNCH ; [joint] 0:0@41..42#0
SUBTREE () 0:0@39..40#0 0:0@39..40#0
IDENT funcall 1:0@27..34#0
SUBTREE () 1:0@34..35#0 1:0@35..36#0
PUNCH ; [joint] 0:0@41..42#0
SUBTREE () 0:0@39..40#0 0:0@39..40#0
IDENT future 1:0@42..48#0
PUNCH . [alone] 1:0@48..49#0
IDENT await 1:0@49..54#0
PUNCH ; [joint] 0:0@41..42#0
SUBTREE () 0:0@39..40#0 0:0@39..40#0
IDENT break 1:0@60..65#0
PUNCH ' [joint] 1:0@66..67#0
IDENT foo 1:0@67..70#0
IDENT bar 1:0@71..74#0
PUNCH ; [alone] 0:0@44..45#0
4;
"literal";
(funcall());
(future.await);
(break 'foo bar);"#]],
);
check(
Edition::Edition2024,
Edition::Edition2024,
r#"
($($e:expr_2021),* $(,)?) => {
$($e);* ;
};
"#,
r#"
_,
"#,
expect![[r#"
ExpandError {
inner: (
1:0@5..6#0,
NoMatchingRule,
),
}
SUBTREE $$ 1:0@0..8#0 1:0@0..8#0
PUNCH ; [alone] 0:0@44..45#0
;"#]],
);
}