Function encode_exception_table

crates/compiler-core/src/bytecode.rs:67–79

Encode exception table entries. Uses 6-bit varint encoding with start marker (MSB) and continuation bit.

(entries: &[ExceptionTableEntry])

/// Encode exception table entries.
/// Uses 6-bit varint encoding with start marker (MSB) and continuation bit.
pub fn encode_exception_table(entries: &[ExceptionTableEntry]) -> alloc::boxed::Box<[u8]> {
    let mut data = Vec::new();
    for entry in entries {
        let size = entry.end.saturating_sub(entry.start);
        let depth_lasti = ((entry.depth as u32) << 1) | (entry.push_lasti as u32);

        write_varint_with_start(&mut data, entry.start);
        write_varint_be(&mut data, size);
        write_varint_be(&mut data, entry.target);
        write_varint_be(&mut data, depth_lasti);
    }
    data.into_boxed_slice()
}

/// Find exception handler for given instruction offset.
pub fn find_exception_handler(table: &[u8], offset: u32) -> Option<ExceptionTableEntry> {