uutils/awk
0
0
Fork 0
mirror of https://github.com/uutils/awk.git synced 2026-06-10 16:15:04 -07:00
Code Issues Packages Projects Releases Wiki Activity

parser: bind places to assignments

Browse Source
This commit is contained in:
Guillem L. Jara
2026-05-15 14:57:33 +02:00
parent e1badd2cc7
commit cb362afcf2
1 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
parser/src/pratt.rs
+13 -4
View File
@@ -78,10 +78,19 @@ impl<'a, 'b> Pratt<'a, 'b> {
let place = Place::lower_from(lhs.take(), lex.span())?;
Expr::node(op.expr(place), self.parser.arena)
} else if let Ok(op) = BinaryPlaceOperator::parse(next, &span) {
if op.binding_power().0 < min_bp {
break;
}
let place = Place::lower_from(lhs.take(), lex.span())?;
// Places consume assignment operators with maximum precedence;
// effectively ignoring the enclosing operator's precedence.
// For example, `1 && x = 1` parses as `1 && (x = 1)`.
let place = match Place::lower_from(lhs.take(), lex.span()) {
Ok(x) => x,
Err((expr, _)) => {
lhs = expr;
if op.binding_power().0 < min_bp {
break;
}
return Err(ParsingError::OperatorExpectsVariable(lex.span()));
}
};
self.parse_place_op(lex, op, place)?
} else if let Ok(op) = BinaryOperator::parse(next, &span)
&& !matches!(next, Token::Increment | Token::Decrement)