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parser: support ??= ops

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Ryan Chandler 2022-08-10 00:23:10 +01:00
parent f226316d44
commit 0a13a9f334
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GPG Key ID: F113BCADDB3B0CCA
2 changed files with 12 additions and 1 deletions
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2
trunk_parser/src/ast.rs
View File

@ -512,6 +512,7 @@ pub enum InfixOp {
AddAssign,
Pow,
Instanceof,
CoalesceAssign,
}
impl From<TokenKind> for InfixOp {
@ -537,6 +538,7 @@ impl From<TokenKind> for InfixOp {
TokenKind::PlusEquals => Self::AddAssign,
TokenKind::Pow => Self::Pow,
TokenKind::Instanceof => Self::Instanceof,
TokenKind::CoalesceEqual => Self::CoalesceAssign,
_ => unreachable!()
}
}

11
trunk_parser/src/parser/mod.rs
View File

@ -1628,7 +1628,7 @@ fn infix_binding_power(t: &TokenKind) -> Option<(u8, u8)> {
TokenKind::Question | TokenKind::QuestionColon => (6, 7),
TokenKind::BooleanAnd => (4, 5),
TokenKind::BooleanOr => (2, 3),
TokenKind::Equals | TokenKind::PlusEquals | TokenKind::DotEquals => (0, 1),
TokenKind::Equals | TokenKind::PlusEquals | TokenKind::DotEquals | TokenKind::CoalesceEqual => (0, 1),
_ => return None,
})
}
@ -2218,6 +2218,7 @@ mod tests {
r#type: Some(Type::Plain("string".into())),
variadic: false,
default: None,
flag: None,
}
],
body: vec![],
@ -2237,6 +2238,7 @@ mod tests {
r#type: None,
variadic: true,
default: None,
flag: None,
}
],
body: vec![],
@ -2253,6 +2255,7 @@ mod tests {
r#type: Some(Type::Plain("string".into())),
variadic: true,
default: None,
flag: None,
}
],
body: vec![],
@ -2269,18 +2272,21 @@ mod tests {
r#type: None,
variadic: false,
default: None,
flag: None,
},
Param {
name: Expression::Variable { name: "baz".into() },
r#type: None,
variadic: false,
default: None,
flag: None,
},
Param {
name: Expression::Variable { name: "car".into() },
r#type: None,
variadic: true,
default: None,
flag: None,
}
],
body: vec![],
@ -2300,6 +2306,7 @@ mod tests {
r#type: Some(Type::Nullable("string".into())),
variadic: false,
default: None,
flag: None,
}
],
body: vec![],
@ -2322,6 +2329,7 @@ mod tests {
])),
variadic: false,
default: None,
flag: None,
}
],
body: vec![],
@ -2344,6 +2352,7 @@ mod tests {
])),
variadic: false,
default: None,
flag: None,
}
],
body: vec![],