/* Copyright (c) 1994, 1995 Free Software Foundation. Copyright (c) 1995, 1996, 2002, 2010 Ben Wing. This file is part of XEmacs. XEmacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs. If not, see . */ /* Synched up with: Not in FSF. */ #ifndef INCLUDED_extents_h_ #define INCLUDED_extents_h_ DECLARE_LISP_OBJECT (extent, struct extent); #define XEXTENT(x) XRECORD (x, extent, struct extent) #define wrap_extent(p) wrap_record (p, extent) #define EXTENTP(x) RECORDP (x, extent) #define CHECK_EXTENT(x) CHECK_RECORD (x, extent) #define CONCHECK_EXTENT(x) CONCHECK_RECORD (x, extent) struct extent_auxiliary; DECLARE_LISP_OBJECT (extent_auxiliary, struct extent_auxiliary); #define XEXTENT_AUXILIARY(x) \ XRECORD (x, extent_auxiliary, struct extent_auxiliary) #define wrap_extent_auxiliary(p) wrap_record (p, extent_auxiliary) #define EXTENT_AUXILIARYP(x) RECORDP (x, extent_auxiliary) #define CHECK_EXTENT_AUXILIARY(x) CHECK_RECORD (x, extent_auxiliary) #define CONCHECK_EXTENT_AUXILIARY(x) CONCHECK_RECORD (x, extent_auxiliary) struct extent_info; DECLARE_LISP_OBJECT (extent_info, struct extent_info); #define XEXTENT_INFO(x) XRECORD (x, extent_info, struct extent_info) #define wrap_extent_info(p) wrap_record (p, extent_info) #define EXTENT_INFOP(x) RECORDP (x, extent_info) #define CHECK_EXTENT_INFO(x) CHECK_RECORD (x, extent_info) #define CONCHECK_EXTENT_INFO(x) CONCHECK_RECORD (x, extent_info) #ifdef NEW_GC struct extent_list_marker; DECLARE_LISP_OBJECT (extent_list_marker, struct extent_list_marker); #define XEXTENT_LIST_MARKER(x) \ XRECORD (x, extent_list_marker, struct extent_list_marker) #define wrap_extent_list_marker(p) wrap_record (p, extent_list_marker) #define EXTENT_LIST_MARKERP(x) RECORDP (x, extent_list_marker) #define CHECK_EXTENT_LIST_MARKER(x) CHECK_RECORD (x, extent_list_marker) #define CONCHECK_EXTENT_LIST_MARKER(x) CONCHECK_RECORD (x, extent_list_marker) struct extent_list; DECLARE_LISP_OBJECT (extent_list, struct extent_list); #define XEXTENT_LIST(x) XRECORD (x, extent_list, struct extent_list) #define wrap_extent_list(p) wrap_record (p, extent_list) #define EXTENT_LISTP(x) RECORDP (x, extent_list) #define CHECK_EXTENT_LIST(x) CHECK_RECORD (x, extent_list) #define CONCHECK_EXTENT_LIST(x) CONCHECK_RECORD (x, extent_list) struct stack_of_extents; DECLARE_LISP_OBJECT (stack_of_extents, struct stack_of_extents); #define XSTACK_OF_EXTENTS(x) \ XRECORD (x, stack_of_extents, struct stack_of_extents) #define wrap_stack_of_extents(p) wrap_record (p, stack_of_extents) #define STACK_OF_EXTENTSP(x) RECORDP (x, stack_of_extents) #define CHECK_STACK_OF_EXTENTS(x) CHECK_RECORD (x, stack_of_extents) #define CONCHECK_STACK_OF_EXTENTS(x) CONCHECK_RECORD (x, stack_of_extents) #endif /* NEW_GC */ /* the layouts for glyphs (extent->flags.glyph_layout). Must fit in 2 bits. */ typedef enum glyph_layout { GL_TEXT, GL_OUTSIDE_MARGIN, GL_INSIDE_MARGIN, GL_WHITESPACE } glyph_layout; struct extent; void set_extent_endpoints (EXTENT extent, Bytexpos s, Bytexpos e, Lisp_Object object); void flush_cached_extent_info (Lisp_Object extent_info); void set_extent_glyph (EXTENT extent, Lisp_Object glyph, int endp, glyph_layout layout); /* flags for map_extents() and friends */ #define ME_END_CLOSED (1 << 0) #define ME_START_OPEN (1 << 1) #define ME_ALL_EXTENTS_CLOSED (1 << 2) #define ME_ALL_EXTENTS_OPEN (2 << 2) #define ME_ALL_EXTENTS_CLOSED_OPEN (3 << 2) #define ME_ALL_EXTENTS_OPEN_CLOSED (4 << 2) #define ME_ALL_EXTENTS_MASK (7 << 2) #define ME_START_IN_REGION (1 << 5) #define ME_END_IN_REGION (2 << 5) #define ME_START_AND_END_IN_REGION (3 << 5) #define ME_START_OR_END_IN_REGION (4 << 5) #define ME_IN_REGION_MASK (7 << 5) #define ME_NEGATE_IN_REGION (1 << 8) /* the following flags are internal-only */ #define ME_INCLUDE_INTERNAL (1 << 9) #define ME_MIGHT_THROW (1 << 10) #define ME_MIGHT_MODIFY_TEXT (1 << 11) #define ME_MIGHT_MODIFY_EXTENTS (1 << 12) #define ME_MIGHT_MOVE_SOE (1 << 13) #define ME_MIGHT_CALL_ELISP (ME_MIGHT_THROW | ME_MIGHT_MODIFY_TEXT | \ ME_MIGHT_MODIFY_EXTENTS | ME_MIGHT_MOVE_SOE) extern int inside_undo; extern int in_modeline_generation; extern Fixnum mouse_highlight_priority; EXFUN (Fextent_at, 5); EXFUN (Fextent_property, 3); EXFUN (Fput_text_property, 5); EXFUN (Fdetach_extent, 1); EXFUN (Fextent_end_position, 1); EXFUN (Fextent_object, 1); EXFUN (Fextent_properties, 1); EXFUN (Fextent_start_position, 1); EXFUN (Fget_char_property, 4); EXFUN (Fmake_extent, 3); EXFUN (Fnext_extent_change, 2); EXFUN (Fprevious_extent_change, 2); EXFUN (Fprevious_single_char_property_change, 4); EXFUN (Fset_extent_endpoints, 4); EXFUN (Fset_extent_parent, 2); EXFUN (Fset_extent_property, 3); EXFUN (Fset_extent_priority, 2); EXFUN (Fset_extent_face, 2); EXFUN (Fmap_extents, 8); enum extent_at_flag { EXTENT_AT_DEFAULT = 0, EXTENT_AT_AFTER = 0, EXTENT_AT_BEFORE, EXTENT_AT_AT }; Bytexpos extent_endpoint_byte (EXTENT extent, int endp); Charxpos extent_endpoint_char (EXTENT extent, int endp); Bytexpos next_previous_single_property_change (Bytexpos pos, Lisp_Object prop, Lisp_Object object, Bytexpos limit, Boolint next, Boolint text_props_only); Lisp_Object get_char_property (Bytexpos position, Lisp_Object prop, Lisp_Object object, enum extent_at_flag fl, int text_props_only); void adjust_extents (Lisp_Object object, Memxpos from, Memxpos to, int amount); void adjust_extents_for_deletion (Lisp_Object object, Bytexpos from, Bytexpos to, int gapsize, int numdel, int movegapsize); void verify_extent_modification (Lisp_Object object, Bytexpos from, Bytexpos to, Lisp_Object inhibit_read_only_value); void process_extents_for_insertion (Lisp_Object object, Bytexpos opoint, Bytecount length); void process_extents_for_deletion (Lisp_Object object, Bytexpos from, Bytexpos to, int destroy_them); /* Note the following function is in Charbpos's */ void report_extent_modification (Lisp_Object buffer, Charbpos start, Charbpos end, int afterp); void add_string_extents (Lisp_Object string, struct buffer *buf, Bytexpos opoint, Bytecount length); void splice_in_string_extents (Lisp_Object string, struct buffer *buf, Bytexpos opoint, Bytecount length, Bytecount pos); void copy_string_extents (Lisp_Object new_string, Lisp_Object old_string, Bytecount new_pos, Bytecount old_pos, Bytecount length); void detach_all_extents (Lisp_Object object); Lisp_Object extent_at (Bytexpos position, Lisp_Object object, Lisp_Object property, EXTENT before, enum extent_at_flag at_flag, int all_extents); struct extent_fragment *extent_fragment_new (Lisp_Object buffer_or_string, struct frame *frm); face_index extent_fragment_update (struct window *w, struct extent_fragment *ef, Bytexpos pos, Lisp_Object last_glyph); void extent_fragment_delete (struct extent_fragment *ef); /* from alloc.c */ struct extent *allocate_extent (void); void attach_extent_auxiliary (EXTENT ext); void init_buffer_extents (struct buffer *b); void uninit_buffer_extents (struct buffer *b); #ifdef ERROR_CHECK_EXTENTS void sledgehammer_extent_check (Lisp_Object obj); #endif #ifdef MEMORY_USAGE_STATS Bytecount compute_buffer_extent_usage (struct buffer *b); #endif #endif /* INCLUDED_extents_h_ */