* buffer.h: New macro TEMP_SET_PT. If intervals are used, SET_PT

	and TEMP_SET_PT are function calls.
	Similarly for BUF_SET_PT and BUF_TEMP_SET_PT.
	Added DECLARE_INTERVALS to buffer structure to conditionally
	compile an interval tree into it..

1 files changed, 17 insertions, 2 deletions

diff --git a/src/buffer.h b/src/buffer.h
index a0e06025893..8628d815133 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -23,7 +23,21 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #endif /* lint */
 
 
+#ifdef USE_TEXT_PROPERTIES
+#define SET_PT(position) (set_point ((position), current_buffer))
+#define TEMP_SET_PT(position) (temp_set_point ((position), current_buffer))
+
+#define BUF_SET_PT(buffer, position) (set_point ((position), (buffer)))
+#define BUF_TEMP_SET_PT(buffer, position) (temp_set_point ((position), (buffer)))
+
+#else  /* don't support text properties */
+
 #define SET_PT(position) (current_buffer->text.pt = (position))
+#define TEMP_SET_PT(position) (current_buffer->text.pt = (position))
+
+#define BUF_SET_PT(buffer, position) (buffer->text.pt = (position))
+#define BUF_TEMP_SET_PT(buffer, position) (buffer->text.pt = (position))
+#endif /* don't support text properties */
 
 /* Character position of beginning of buffer.  */ 
 #define BEG (1)
@@ -71,8 +85,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Now similar macros for a specified buffer.
    Note that many of these evaluate the buffer argument more than once.  */
 
-#define BUF_SET_PT(buffer, position) (buffer->text.pt = (position))
-
 /* Character position of beginning of buffer.  */ 
 #define BUF_BEG(buf) (1)
 
@@ -162,6 +174,9 @@ struct buffer
        the last time this buffer was displayed */
     int last_window_start;
 
+    /* Properties of this buffer's text -- conditionally compiled. */
+    DECLARE_INTERVALS
+
     /* This is a special exception -- as this slot should not be
        marked by gc_sweep, and as it is not lisp-accessible as
        a local variable -- so we regard it as not really being of type