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expr: Simplify parsing special cases for $ in regex

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Teemu Pätsi 2025-05-24 21:17:20 +03:00
parent 2a862bc385
commit ab5cf74185
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1 changed files with 2 additions and 8 deletions
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10
src/uu/expr/src/syntax_tree.rs
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@ -185,14 +185,8 @@ impl StringOp {
| ('\\', false) => re_string.push(curr), | ('\\', false) => re_string.push(curr),
_ => re_string.push_str(r"\^"), _ => re_string.push_str(r"\^"),
}, },
'$' => { '$' if !curr_is_escaped && !is_end_of_expression(&pattern_chars) => {
if is_end_of_expression(&pattern_chars) { re_string.push_str(r"\$");
re_string.push(curr);
} else if !curr_is_escaped {
re_string.push_str(r"\$");
} else {
re_string.push(curr);
}
} }
'\\' if !curr_is_escaped && pattern_chars.peek().is_none() => { '\\' if !curr_is_escaped && pattern_chars.peek().is_none() => {
return Err(ExprError::TrailingBackslash); return Err(ExprError::TrailingBackslash);