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package mangler
import (
"unsafe"
"codeberg.org/gruf/go-xunsafe"
)
// iterArrayType returns a Mangler capable of iterating
// and mangling the given array type currently in TypeIter{}.
// note this will fetch sub-Mangler for array element type.
func iterArrayType(t xunsafe.TypeIter) Mangler {
// Array element type.
elem := t.Type.Elem()
// Get nested elem TypeIter with appropriate flags.
flags := xunsafe.ReflectArrayElemFlags(t.Flag, elem)
et := t.Child(elem, flags)
// Get elem mangler.
fn := loadOrGet(et)
if fn == nil {
return nil
}
// Array element in-memory size.
esz := t.Type.Elem().Size()
// No of elements.
n := t.Type.Len()
switch n {
case 0:
return empty_mangler
case 1:
return fn
default:
return func(buf []byte, ptr unsafe.Pointer) []byte {
for i := 0; i < n; i++ {
// Mangle data at array index.
offset := esz * uintptr(i)
eptr := add(ptr, offset)
buf = fn(buf, eptr)
buf = append(buf, ',')
}
if n > 0 {
// Drop final comma.
buf = buf[:len(buf)-1]
}
return buf
}
}
}
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