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core/printf: %o substitution type implementation

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This commit is contained in:
luizgfc
2025-08-29 18:34:07 -03:00
parent 38d528537a
commit 528cab55c1
1 changed files with 46 additions and 1 deletions
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47
core/functions/printf.rs
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@@ -34,7 +34,7 @@ fn get_exponential_formatted_str(number: &f64, uppercase: bool) -> crate::Result
}
}
// TODO: Support %!.3s, %o. flags: - + 0 ! ,
// TODO: Support %!.3s. flags: - + 0 ! ,
#[inline(always)]
pub fn exec_printf(values: &[Register]) -> crate::Result<Value> {
if values.is_empty() {
@@ -210,6 +210,18 @@ pub fn exec_printf(values: &[Register]) -> crate::Result<Value> {
}
args_index += 1;
}
Some('o') => {
if args_index >= values.len() {
return Err(LimboError::InvalidArgument("not enough arguments".into()));
}
let value = &values[args_index].get_value();
match value {
Value::Float(f) => result.push_str(&format!("{:o}", *f as i64)),
Value::Integer(i) => result.push_str(&format!("{i:o}")),
_ => result.push('0'),
}
args_index += 1;
}
None => {
return Err(LimboError::InvalidArgument(
"incomplete format specifier".into(),
@@ -503,6 +515,39 @@ mod tests {
}
}
#[test]
fn test_printf_octal_formatting() {
let test_cases = vec![
// Simple number
(vec![text("octal: %o"), integer(4)], text("octal: 4")),
// Bigger Number
(
vec![text("octal: %o"), integer(15565303546)],
text("octal: 163760727372"),
),
// Negative
(
vec![text("octal: %o"), integer(-15565303546)],
text("octal: 1777777777614017050406"),
),
// Float
(vec![text("octal: %o"), float(42.5)], text("octal: 52")),
// Negative Float
(
vec![text("octal: %o"), float(-42.5)],
text("octal: 1777777777777777777726"),
),
// Text
(vec![text("octal: %o"), text("42")], text("octal: 0")),
// Empty Text
(vec![text("octal: %o"), text("")], text("octal: 0")),
];
for (input, expected) in test_cases {
assert_eq!(exec_printf(&input).unwrap(), *expected.get_value());
}
}
#[test]
fn test_printf_mixed_formatting() {
let test_cases = vec![