public Buffer (Shelisp.Object name)
{
/* An ordinary buffer uses its own struct buffer_text. */
text = new BufferText();
pt = BufferText.BEG;
begv = BufferText.BEG;
zv = BufferText.BEG;
pt_byte = BufferText.BEG;
begv_byte = BufferText.BEG;
zv_byte = BufferText.BEG;
#if notyet
newline_cache = 0;
width_run_cache = 0;
#endif
width_table = L.Qnil;
prevent_redisplay_optimizations_p = true;
/* An ordinary buffer normally doesn't need markers
to handle BEGV and ZV. */
pt_marker = L.Qnil;
begv_marker = L.Qnil;
zv_marker = L.Qnil;
undo_list = (L.SREF (name, 0) != ' ') ? L.Qnil : L.Qt;
Reset ();
ResetLocalVariables (permanent_too: true);
mark = new Marker ();
this.name = name;
}
public Buffer (Shelisp.Object name, Shelisp.Object buffer)
{
this.base_buffer = (((Buffer)buffer).base_buffer != null
? ((Buffer)buffer).base_buffer
: ((Buffer)buffer));
/* Use the base buffer's text object. */
text = base_buffer.text;
pt = base_buffer.pt;
begv = base_buffer.begv;
zv = base_buffer.zv;
pt_byte = base_buffer.pt_byte;
begv_byte = base_buffer.begv_byte;
zv_byte = base_buffer.zv_byte;
#if notyet
newline_cache = 0;
width_run_cache = 0;
#endif
width_table = L.Qnil;
Reset ();
ResetLocalVariables (permanent_too: true);
mark = new Marker ();
this.name = name;
/* The multibyte status belongs to the base buffer. */
enable_multibyte_characters = base_buffer.enable_multibyte_characters;
/* Make sure the base buffer has markers for its narrowing. */
if (L.NILP (base_buffer.pt_marker)) {
#if notyet
eassert (NILP (BVAR (base_buffer, begv_marker)));
eassert (NILP (BVAR (base_buffer, zv_marker)));
#endif
base_buffer.pt_marker = new Marker ();
Marker.SetBoth (base_buffer.pt_marker, buffer,
base_buffer.pt,
base_buffer.pt_byte);
base_buffer.begv_marker = new Marker ();
Marker.SetBoth (base_buffer.begv_marker, buffer,
base_buffer.begv,
base_buffer.begv_byte);
base_buffer.zv_marker = new Marker ();
Marker.SetBoth (base_buffer.zv_marker, buffer,
base_buffer.zv,
base_buffer.zv_byte);
((Marker)base_buffer.zv_marker).Type = Marker.InsertionType.MarkerAdvancesOnTextInsertion;
}
}