Function normalize_event_set

crates/vm/src/stdlib/sys/monitoring.rs:196–227

(event_set: i32, local: bool, vm: &VirtualMachine)

}

fn normalize_event_set(event_set: i32, local: bool, vm: &VirtualMachine) -> PyResult<u32> {
    let kind = if local {
        "local event set"
    } else {
        "event set"
    };
    if event_set < 0 {
        return Err(vm.new_value_error(format!("invalid {kind} 0x{event_set:x}")));
    }

    let mut event_set = event_set as u32;
    if event_set >= (1 << EVENTS_COUNT) {
        return Err(vm.new_value_error(format!("invalid {kind} 0x{event_set:x}")));
    }

    if (event_set & EVENT_C_RETURN_MASK) != 0 && (event_set & EVENT_CALL) != EVENT_CALL {
        return Err(vm.new_value_error("cannot set C_RETURN or C_RAISE events independently"));
    }

    event_set &= !EVENT_C_RETURN_MASK;

    if (event_set & EVENT_BRANCH) != 0 {
        event_set &= !EVENT_BRANCH;
        event_set |= EVENT_BRANCH_LEFT | EVENT_BRANCH_RIGHT;
    }

    if local && event_set >= (1 << LOCAL_EVENTS_COUNT) {
        return Err(vm.new_value_error(format!("invalid local event set 0x{event_set:x}")));
    }

    Ok(event_set)
}

/// Rewrite a code object's bytecode in-place with layered instrumentation.
///