/* Definitions and global variables for intervals.
- Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994, 2000, 2002 Free Software Foundation, Inc.
This file is part of GNU Emacs.
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifdef USE_TEXT_PROPERTIES
-#ifndef NORMAL_FACE
#include "dispextern.h"
-#endif
-#define NULL_INTERVAL 0
+#define NULL_INTERVAL ((INTERVAL)0)
#define INTERVAL_DEFAULT NULL_INTERVAL
/* These are macros for dealing with the interval tree. */
/* True if an interval pointer is null, or is a Lisp_Buffer or
Lisp_String pointer (meaning it points to the owner of this
interval tree). */
-#define NULL_INTERVAL_P(i) ((i) == NULL_INTERVAL \
- || BUFFERP ((Lisp_Object)(i)) \
- || STRINGP ((Lisp_Object)(i)))
+#ifdef NO_UNION_TYPE
+#define INT_LISPLIKE(i) (BUFFERP ((Lisp_Object)(i)) \
+ || STRINGP ((Lisp_Object)(i)))
+#else
+#define INT_LISPLIKE(i) (BUFFERP ((Lisp_Object){(EMACS_INT)(i)}) \
+ || STRINGP ((Lisp_Object){(EMACS_INT)(i)}))
+#endif
+#define NULL_INTERVAL_P(i) (CHECK(!INT_LISPLIKE(i),"non-interval"),(i) == NULL_INTERVAL)
+/* old #define NULL_INTERVAL_P(i) ((i) == NULL_INTERVAL || INT_LISPLIKE (i)) */
/* True if this interval has no right child. */
#define NULL_RIGHT_CHILD(i) ((i)->right == NULL_INTERVAL)
#define NULL_LEFT_CHILD(i) ((i)->left == NULL_INTERVAL)
/* True if this interval has no parent. */
-#define NULL_PARENT(i) (NULL_INTERVAL_P ((i)->parent))
+#define NULL_PARENT(i) ((i)->up_obj || (i)->up.interval == 0)
/* True if this interval is the left child of some other interval. */
-#define AM_LEFT_CHILD(i) (! NULL_INTERVAL_P ((i)->parent) \
- && (i)->parent->left == (i))
+#define AM_LEFT_CHILD(i) (! NULL_PARENT (i) \
+ && INTERVAL_PARENT (i)->left == (i))
/* True if this interval is the right child of some other interval. */
-#define AM_RIGHT_CHILD(i) (! NULL_INTERVAL_P ((i)->parent) \
- && (i)->parent->right == (i))
+#define AM_RIGHT_CHILD(i) (! NULL_PARENT (i) \
+ && INTERVAL_PARENT (i)->right == (i))
/* True if this interval has no children. */
#define LEAF_INTERVAL_P(i) ((i)->left == NULL_INTERVAL \
or having no properties. */
#define DEFAULT_INTERVAL_P(i) (NULL_INTERVAL_P (i) || EQ ((i)->plist, Qnil))
+/* Test what type of parent we have. Three possibilities: another
+ interval, a buffer or string object, or NULL_INTERVAL. */
+#define INTERVAL_HAS_PARENT(i) ((i)->up_obj == 0 && (i)->up.interval != 0)
+#define INTERVAL_HAS_OBJECT(i) ((i)->up_obj)
+
+/* Set/get parent of an interval.
+
+ The choice of macros is dependent on the type needed. Don't add
+ casts to get around this, it will break some development work in
+ progress. */
+#define SET_INTERVAL_PARENT(i,p) (eassert (!INT_LISPLIKE (p)),(i)->up_obj = 0, (i)->up.interval = (p))
+#define SET_INTERVAL_OBJECT(i,o) (eassert (!INTEGERP (o)), eassert (BUFFERP (o) || STRINGP (o)),(i)->up_obj = 1, (i)->up.obj = (o))
+#define INTERVAL_PARENT(i) (eassert((i) != 0 && (i)->up_obj == 0),(i)->up.interval)
+#define GET_INTERVAL_OBJECT(d,s) (eassert((s)->up_obj == 1), (d) = (s)->up.obj)
+
+/* Make the parent of D be whatever the parent of S is, regardless of
+ type. This is used when balancing an interval tree. */
+#define COPY_INTERVAL_PARENT(d,s) ((d)->up = (s)->up, (d)->up_obj = (s)->up_obj)
+
+/* Get the parent interval, if any, otherwise a null pointer. Useful
+ for walking up to the root in a "for" loop; use this to get the
+ "next" value, and test the result to see if it's NULL_INTERVAL. */
+#define INTERVAL_PARENT_OR_NULL(i) (INTERVAL_HAS_PARENT (i) ? INTERVAL_PARENT (i) : 0)
+
/* Reset this interval to its vanilla, or no-property state. */
#define RESET_INTERVAL(i) \
{ \
(i)->total_length = (i)->position = 0; \
(i)->left = (i)->right = NULL_INTERVAL; \
- (i)->parent = NULL_INTERVAL; \
+ SET_INTERVAL_PARENT (i, NULL_INTERVAL); \
(i)->write_protect = 0; \
(i)->visible = 0; \
(i)->front_sticky = (i)->rear_sticky = 0; \
/* Replace later with cache access */
/*#define FRONT_STICKY_P(i) ((i)->front_sticky != 0)
#define END_STICKY_P(i) ((i)->rear_sticky != 0)*/
+/* As we now have Vtext_property_default_nonsticky, these macros are
+ unreliable now. Currently, they are never used. */
#define FRONT_STICKY_P(i) \
(! NULL_INTERVAL_P (i) && ! NILP (textget ((i)->plist, Qfront_sticky)))
#define END_NONSTICKY_P(i) \
/* If PROP is the `invisible' property of a character,
- this is 1 if the character should be treated as invisible. */
+ this is 1 if the character should be treated as invisible,
+ and 2 if it is invisible but with an ellipsis. */
#define TEXT_PROP_MEANS_INVISIBLE(prop) \
(EQ (current_buffer->invisibility_spec, Qt) \
- ? ! NILP (prop) \
+ ? !NILP (prop) \
: invisible_p (prop, current_buffer->invisibility_spec))
-/* If PROP is the `invisible' property of a character,
- this is 1 if the character should be treated as invisible
- and should have an ellipsis. */
-
-#define TEXT_PROP_MEANS_INVISIBLE_WITH_ELLIPSIS(prop) \
- (EQ (current_buffer->invisibility_spec, Qt) \
- ? 0 \
- : invisible_ellipsis_p (prop, current_buffer->invisibility_spec))
-
/* Declared in alloc.c */
-extern INTERVAL make_interval ();
+extern INTERVAL make_interval P_ ((void));
/* Declared in intervals.c */
-extern INTERVAL create_root_interval ();
-extern void copy_properties ();
-extern int intervals_equal ();
-extern void traverse_intervals ();
-extern INTERVAL split_interval_right (), split_interval_left ();
-extern INLINE INTERVAL find_interval ();
-extern INTERVAL next_interval (), previous_interval ();
-extern INTERVAL merge_interval_left (), merge_interval_right ();
-extern void delete_interval ();
-extern INLINE void offset_intervals ();
-extern void graft_intervals_into_buffer ();
-extern void set_point ();
-extern INLINE void temp_set_point ();
-extern void verify_interval_modification ();
-extern INTERVAL balance_intervals ();
-extern INLINE void copy_intervals_to_string ();
-extern INTERVAL copy_intervals ();
-extern Lisp_Object textget ();
-extern Lisp_Object get_local_map ();
-extern INTERVAL update_interval ();
+extern INTERVAL create_root_interval P_ ((Lisp_Object));
+extern void copy_properties P_ ((INTERVAL, INTERVAL));
+extern int intervals_equal P_ ((INTERVAL, INTERVAL));
+extern void traverse_intervals P_ ((INTERVAL, int,
+ void (*) (INTERVAL, Lisp_Object),
+ Lisp_Object));
+extern void traverse_intervals_noorder P_ ((INTERVAL,
+ void (*) (INTERVAL, Lisp_Object),
+ Lisp_Object));
+extern INTERVAL split_interval_right P_ ((INTERVAL, int));
+extern INTERVAL split_interval_left P_ ((INTERVAL, int));
+extern INTERVAL find_interval P_ ((INTERVAL, int));
+extern INTERVAL next_interval P_ ((INTERVAL));
+extern INTERVAL previous_interval P_ ((INTERVAL));
+extern INTERVAL merge_interval_left P_ ((INTERVAL));
+extern INTERVAL merge_interval_right P_ ((INTERVAL));
+extern void delete_interval P_ ((INTERVAL));
+extern INLINE void offset_intervals P_ ((struct buffer *, int, int));
+extern void graft_intervals_into_buffer P_ ((INTERVAL, int, int,
+ struct buffer *, int));
+extern void set_point P_ ((struct buffer *, int));
+extern INLINE void temp_set_point P_ ((struct buffer *, int));
+extern void set_point_both P_ ((struct buffer *, int, int));
+extern INLINE void temp_set_point_both P_ ((struct buffer *, int, int));
+extern void verify_interval_modification P_ ((struct buffer *, int, int));
+extern INTERVAL balance_intervals P_ ((INTERVAL));
+extern INLINE void copy_intervals_to_string P_ ((Lisp_Object, struct buffer *,
+ int, int));
+extern INTERVAL copy_intervals P_ ((INTERVAL, int, int));
+extern Lisp_Object textget P_ ((Lisp_Object, Lisp_Object));
+extern Lisp_Object lookup_char_property P_ ((Lisp_Object, Lisp_Object, int));
+extern void move_if_not_intangible P_ ((int));
+extern int get_property_and_range P_ ((int, Lisp_Object, Lisp_Object *,
+ int *, int *, Lisp_Object));
+extern Lisp_Object get_local_map P_ ((int, struct buffer *, Lisp_Object));
+extern INTERVAL update_interval P_ ((INTERVAL, int));
+extern void set_intervals_multibyte P_ ((int));
+extern INTERVAL validate_interval_range P_ ((Lisp_Object, Lisp_Object *,
+ Lisp_Object *, int));
+
+/* Defined in xdisp.c */
+extern int invisible_p P_ ((Lisp_Object, Lisp_Object));
/* Declared in textprop.c */
extern Lisp_Object Qmodification_hooks;
extern Lisp_Object Qcategory;
extern Lisp_Object Qlocal_map;
+extern Lisp_Object Qkeymap;
/* Visual properties text (including strings) may have. */
extern Lisp_Object Qforeground, Qbackground, Qfont, Qunderline, Qstipple;
extern Lisp_Object Vinhibit_point_motion_hooks;
extern Lisp_Object Vdefault_text_properties;
+extern Lisp_Object Vchar_property_alias_alist;
+extern Lisp_Object Vtext_property_default_nonsticky;
/* Sticky properties */
extern Lisp_Object Qfront_sticky, Qrear_nonsticky;
-extern Lisp_Object Fget_char_property (), Fget_text_property ();
-extern Lisp_Object Ftext_properties_at ();
-extern Lisp_Object Fnext_property_change (), Fprevious_property_change ();
-extern Lisp_Object Fadd_text_properties (), Fset_text_properties ();
-extern Lisp_Object Fremove_text_properties (), Ferase_text_properties ();
-extern Lisp_Object Ftext_property_any (), Ftext_property_not_all ();
-extern Lisp_Object copy_text_properties ();
+EXFUN (Fget_char_property, 3);
+EXFUN (Fget_text_property, 3);
+EXFUN (Ftext_properties_at, 2);
+EXFUN (Fnext_property_change, 3);
+EXFUN (Fprevious_property_change, 3);
+EXFUN (Fadd_text_properties, 4);
+EXFUN (Fset_text_properties, 4);
+EXFUN (Fremove_text_properties, 4);
+EXFUN (Ftext_property_any, 5);
+EXFUN (Ftext_property_not_all, 5);
+EXFUN (Fprevious_single_char_property_change, 4);
+extern Lisp_Object copy_text_properties P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object));
+extern Lisp_Object set_text_properties P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ Lisp_Object));
+extern void set_text_properties_1 P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object, INTERVAL));
+
+Lisp_Object text_property_list P_ ((Lisp_Object, Lisp_Object, Lisp_Object,
+ Lisp_Object));
+int add_text_properties_from_list P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
+void extend_property_ranges P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
+Lisp_Object get_char_property_and_overlay P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object*));
+extern int text_property_stickiness (Lisp_Object prop, Lisp_Object pos);
extern void syms_of_textprop ();
-#else /* don't support text properties */
-
-#define NULL_INTERVAL_P(i) 1
-#define INTERVAL_SIZE 0
-#define INTERVAL_PTR_SIZE 0
-
-#define copy_intervals_to_string(string,buffer,position,length)
-#define verify_interval_modification(buffer,start,end)
-#define insert_interval_copy(source,position,end,sink,at)
-#define graft_intervals_into_buffer(tree,position,bufferptr)
-#define offset_intervals(buffer,position,length)
-#define copy_intervals(tree,start,length)
-
-#define syms_of_textprop()
-
-#endif /* don't support text properties */
+#include "composite.h"
HCoop / bpt / emacs.git / blobdiff