public static ObjString copyString(char[] chars, int _start, int length)
{
uint hash = hashString(chars, _start, length);
ObjString interned = Table.tableFindString(ref VM.vm.strings, chars, _start, length, hash);
if (interned != null)
{
return(interned);
}
char[] heapChars = Memory.ALLOCATE <char>(length + 1);
Cfun._memcpy <char>(heapChars, chars, _start, length);
heapChars[length] = '\0';
return(allocateString(heapChars, length, hash));
}
private static void concatenate()
{
ObjString b = Object.AS_STRING(peek(0));
ObjString a = Object.AS_STRING(peek(1));
int length = a.length + b.length;
char[] chars = Memory.ALLOCATE <char>(length + 1);
Cfun._memcpy <char>(chars, a.chars, a._start, a.length);
Cfun._memcpy <char>(chars, a.length, b.chars, b._start, b.length);
chars[length] = '\0';
ObjString result = Object.takeString(chars, 0, length);
pop();
pop();
push(Value.OBJ_VAL(result));
}
