patch 8.2.4825: can only get a list of mappings

Problem:    Can only get a list of mappings.
Solution:   Add the optional {abbr} argument. (Ernie Rael, closes #10277)
            Rename to maplist().  Rename test file.

runtime/doc/builtin.txt

@@ -235,7 +235,6 @@ getline({lnum})			String	line {lnum} of current buffer
 getline({lnum}, {end})		List	lines {lnum} to {end} of current buffer
 getloclist({nr})		List	list of location list items
 getloclist({nr}, {what})	Dict	get specific location list properties
-getmappings()			List	list of all mappings, a dict for each
 getmarklist([{buf}])		List	list of global/local marks
 getmatches([{win}])		List	list of current matches
 getmousepos()			Dict	last known mouse position
@@ -338,6 +337,7 @@ maparg({name} [, {mode} [, {abbr} [, {dict}]]])
 					rhs of mapping {name} in mode {mode}
 mapcheck({name} [, {mode} [, {abbr}]])
 				String	check for mappings matching {name}
+maplist([{abbr}])		List	list of all mappings, a dict for each
 mapnew({expr1}, {expr2})	List/Dict/Blob/String
 					like |map()| but creates a new List or
 					Dictionary
@@ -3571,17 +3571,6 @@ getloclist({nr} [, {what}])				*getloclist()*
 			:echo getloclist(5, {'filewinid': 0})
 
 
-getmappings()						*getmappings()*
-		Returns a |List| of all mappings.  Each List item is a |Dict|,
-		the same as what is returned by |maparg()|, see
-		|mapping-dict|.
-
-		Example to show all mappings with 'MultiMatch' in rhs: >
-			vim9script
-			echo getmappings()->filter(
-				(_, m) => match(m.rhs, 'MultiMatch') >= 0)
-
-
 getmarklist([{buf}])					*getmarklist()*
 		Without the {buf} argument returns a |List| with information
 		about all the global marks. |mark|
@@ -5247,7 +5236,8 @@ maparg({name} [, {mode} [, {abbr} [, {dict}]]])			*maparg()*
 		When {dict} is omitted or zero: Return the rhs of mapping
 		{name} in mode {mode}.  The returned String has special
 		characters translated like in the output of the ":map" command
-		listing.
+		listing. When {dict} is TRUE a dictionary is returned, see
+		below. To get a list of all mappings see |maplist()|.
 
 		When there is no mapping for {name}, an empty String is
 		returned.  When the mapping for {name} is empty, then "<Nop>"
@@ -5348,6 +5338,18 @@ mapcheck({name} [, {mode} [, {abbr}]])			*mapcheck()*
 			GetKey()->mapcheck('n')
 
 
+maplist([{abbr}])					*maplist()*
+		Returns a |List| of all mappings.  Each List item is a |Dict|,
+		the same as what is returned by |maparg()|, see
+		|mapping-dict|.  When {abbr} is there and it is |TRUE| use
+		abbreviations instead of mappings.
+
+		Example to show all mappings with 'MultiMatch' in rhs: >
+			vim9script
+			echo maplist()->filter(
+				(_, m) => match(m.rhs, 'MultiMatch') >= 0)
+
+
 mapnew({expr1}, {expr2})					*mapnew()*
 		Like |map()| but instead of replacing items in {expr1} a new
 		List or Dictionary is created and returned.  {expr1} remains

runtime/doc/usr_41.txt

@@ -1089,10 +1089,10 @@ Mappings and Menus:			    *mapping-functions*
 	digraph_getlist()	get all |digraph|s
 	digraph_set()		register |digraph|
 	digraph_setlist()	register multiple |digraph|s
-	getmappings()		get list of all mappings
 	hasmapto()		check if a mapping exists
 	mapcheck()		check if a matching mapping exists
 	maparg()		get rhs of a mapping
+	maplist()		get list of all mappings
 	mapset()		restore a mapping
 	menu_info()		get information about a menu item
 	wildmenumode()		check if the wildmode is active

src/evalfunc.c

@@ -1871,8 +1871,6 @@ static funcentry_T global_functions[] =
 			ret_getline,	    f_getline},
     {"getloclist",	1, 2, 0,	    arg2_number_dict_any,
 			ret_list_or_dict_1, f_getloclist},
-    {"getmappings",		0, 0, 0,	    NULL,
-			ret_list_dict_any,  f_getmappings},
     {"getmarklist",	0, 1, FEARG_1,	    arg1_buffer,
 			ret_list_dict_any,  f_getmarklist},
     {"getmatches",	0, 1, 0,	    arg1_number,
@@ -2049,6 +2047,8 @@ static funcentry_T global_functions[] =
 			ret_maparg,	    f_maparg},
     {"mapcheck",	1, 3, FEARG_1,	    arg3_string_string_bool,
 			ret_string,	    f_mapcheck},
+    {"maplist",		0, 1, 0,	    arg1_bool,
+			ret_list_dict_any,  f_maplist},
     {"mapnew",		2, 2, FEARG_1,	    arg2_mapnew,
 			ret_first_cont,	    f_mapnew},
     {"mapset",		3, 3, FEARG_1,	    arg3_string_bool_dict,

src/map.c

@@ -2389,10 +2389,10 @@ get_maparg(typval_T *argvars, typval_T *rettv, int exact)
 }
 
 /*
- * "getmappings()" function
+ * "maplist()" function
  */
     void
-f_getmappings(typval_T *argvars UNUSED, typval_T *rettv)
+f_maplist(typval_T *argvars UNUSED, typval_T *rettv)
 {
     dict_T	*d;
     mapblock_T	*mp;
@@ -2402,6 +2402,12 @@ f_getmappings(typval_T *argvars UNUSED, typval_T *rettv)
     int		hash;
     char_u	*lhs;
     const int	flags = REPTERM_FROM_PART | REPTERM_DO_LT;
+    int		abbr = FALSE;
+
+    if (in_vim9script() && check_for_opt_bool_arg(argvars, 0) == FAIL)
+	return;
+    if (argvars[0].v_type != VAR_UNKNOWN)
+	abbr = tv_get_bool(&argvars[0]);
 
     if (rettv_list_alloc(rettv) != OK)
 	return;
@@ -2413,7 +2419,16 @@ f_getmappings(typval_T *argvars UNUSED, typval_T *rettv)
     {
 	for (hash = 0; hash < 256; ++hash)
 	{
-	    if (buffer_local)
+	    if (abbr)
+	    {
+		if (hash > 0)		// there is only one abbr list
+		    break;
+		if (buffer_local)
+		    mp = curbuf->b_first_abbr;
+		else
+		    mp = first_abbr;
+	    }
+	    else if (buffer_local)
 		mp = curbuf->b_maphash[hash];
 	    else
 		mp = maphash[hash];

src/proto/map.pro

@@ -8,7 +8,7 @@ int mode_str2flags(char_u *modechars);
 int map_to_exists(char_u *str, char_u *modechars, int abbr);
 int map_to_exists_mode(char_u *rhs, int mode, int abbr);
 char_u *set_context_in_map_cmd(expand_T *xp, char_u *cmd, char_u *arg, int forceit, int isabbrev, int isunmap, cmdidx_T cmdidx);
-int ExpandMappings(char_u *pat, regmatch_T *regmatch, int *num_file, char_u ***file);
+int ExpandMappings(char_u *pat, regmatch_T *regmatch, int *numMatches, char_u ***matches);
 int check_abbr(int c, char_u *ptr, int col, int mincol);
 char_u *eval_map_expr(mapblock_T *mp, int c);
 char_u *vim_strsave_escape_csi(char_u *p);
@@ -17,7 +17,7 @@ int makemap(FILE *fd, buf_T *buf);
 int put_escstr(FILE *fd, char_u *strstart, int what);
 void check_map_keycodes(void);
 char_u *check_map(char_u *keys, int mode, int exact, int ign_mod, int abbr, mapblock_T **mp_ptr, int *local_ptr);
-void f_getmappings(typval_T *argvars, typval_T *rettv);
+void f_maplist(typval_T *argvars, typval_T *rettv);
 void f_maparg(typval_T *argvars, typval_T *rettv);
 void f_mapcheck(typval_T *argvars, typval_T *rettv);
 void f_mapset(typval_T *argvars, typval_T *rettv);

src/testdir/Make_all.mak

@@ -184,7 +184,7 @@ NEW_TESTS = \
 	test_lua \
 	test_makeencoding \
 	test_man \
-	test_maparg \
+	test_map_functions \
 	test_mapping \
 	test_marks \
 	test_match \
@@ -425,7 +425,7 @@ NEW_TESTS_RES = \
 	test_lua.res \
 	test_makeencoding.res \
 	test_man.res \
-	test_maparg.res \
+	test_map_functions.res \
 	test_mapping.res \
 	test_marks.res \
 	test_match.res \

src/testdir/test_map_functions.vim

@@ -1,6 +1,5 @@
-" Tests for maparg(), mapcheck() and mapset().
+" Tests for maparg(), mapcheck(), mapset(), maplist()
 " Also test utf8 map with a 0x80 byte.
-" Also test mapcheck()
 
 func s:SID()     
   return str2nr(matchstr(expand('<sfile>'), '<SNR>\zs\d\+\ze_SID$'))
@@ -297,15 +296,16 @@ func Test_map_restore()
 
 endfunc
 
-def Test_getmappings()
+def Test_maplist()
   new
-  def ClearMaps()
+  def ClearMappingsAbbreviations()
     mapclear | nmapclear | vmapclear | xmapclear | smapclear | omapclear
     mapclear!  | imapclear | lmapclear | cmapclear | tmapclear
     mapclear <buffer> | nmapclear <buffer> | vmapclear <buffer>
     xmapclear <buffer> | smapclear <buffer> | omapclear <buffer>
     mapclear! <buffer> | imapclear <buffer> | lmapclear <buffer>
     cmapclear <buffer> | tmapclear <buffer>
+    abclear | abclear <buffer>
   enddef
 
   def AddMaps(new: list<string>, accum: list<string>)
@@ -314,8 +314,9 @@ def Test_getmappings()
     endif
   enddef
 
-  ClearMaps()
-  assert_equal(0, len(getmappings()))
+  ClearMappingsAbbreviations()
+  assert_equal(0, len(maplist()))
+  assert_equal(0, len(maplist(true)))
 
   # Set up some mappings.
   map dup bar
@@ -331,10 +332,16 @@ def Test_getmappings()
   map abc <Nop>
   nmap <M-j> x
   nmap <M-Space> y
+  # And abbreviations
+  abbreviate xy he
+  abbreviate xx she
+  abbreviate <buffer> x they
 
   # Get a list of the mappings with the ':map' commands.
-  # Check getmappings() return a list of the same size.
-  assert_equal(13, len(getmappings()))
+  # Check maplist() return a list of the same size.
+  assert_equal(13, len(maplist()))
+  assert_equal(3, len(maplist(true)))
+  assert_equal(13, len(maplist(false)))
 
   # collect all the current maps using :map commands
   var maps_command: list<string>
@@ -343,20 +350,20 @@ def Test_getmappings()
   AddMaps(split(execute('tmap'), '\n'), maps_command)
   AddMaps(split(execute('lmap'), '\n'), maps_command)
 
-  # Use getmappings to get all the maps
-  var maps_getmappings = getmappings()
-  assert_equal(len(maps_command), len(maps_getmappings))
+  # Use maplist to get all the maps
+  var maps_maplist = maplist()
+  assert_equal(len(maps_command), len(maps_maplist))
 
   # make sure all the mode-lhs are unique, no duplicates
   var map_set: dict<number>
-  for d in maps_getmappings
+  for d in maps_maplist
     map_set[d.mode .. "-" .. d.lhs .. "-" .. d.buffer] = 0
   endfor
-  assert_equal(len(maps_getmappings), len(map_set))
+  assert_equal(len(maps_maplist), len(map_set))
 
-  # For everything returned by getmappings, should be the same as from maparg.
+  # For everything returned by maplist, should be the same as from maparg.
   # Except for "map dup", bacause maparg returns the <buffer> version
-  for d in maps_getmappings
+  for d in maps_maplist
     if d.lhs == 'dup' && d.buffer == 0
       continue
     endif
@@ -364,8 +371,16 @@ def Test_getmappings()
     assert_equal(d_maparg, d)
   endfor
 
-  ClearMaps()
-  assert_equal(0, len(getmappings()))
+  # Check abbr matches maparg
+  for d in maplist(true)
+    # Note, d.mode is '!', but can't use that with maparg
+    var d_maparg = maparg(d.lhs, 'i', true, true)
+    assert_equal(d_maparg, d)
+  endfor
+
+  ClearMappingsAbbreviations()
+  assert_equal(0, len(maplist()))
+  assert_equal(0, len(maplist(true)))
 enddef
 
 

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4825,
 /**/
     4824,
 /**/