vim-patch:8.0.1040: cannot use another error format in getqflist()

Problem:    Cannot use another error format in getqflist().
Solution:   Add the "efm" argument to getqflist(). (Yegappan Lakshmanan)
3653822546

runtime/doc/eval.txt

@@ -4335,16 +4335,19 @@ getqflist([{what}])					*getqflist()*
 		returns only the items listed in {what} as a dictionary. The
 		following string items are supported in {what}:
 			context	get the context stored with |setqflist()|
+			efm	errorformat to use when parsing "lines". If
+				not present, then the 'erroformat' option
+				value is used.
 			id	get information for the quickfix list with
 				|quickfix-ID|; zero means the id for the
-				current list or the list specifed by 'nr'
+				current list or the list specifed by "nr"
 			items	quickfix list entries
 			lines	use 'errorformat' to extract items from a list
 				of lines and return the resulting entries.
 				Only a |List| type is accepted.  The current
 				quickfix list is not modified.
 			nr	get information for this quickfix list; zero
-				means the current quickfix list and '$' means
+				means the current quickfix list and "$" means
 				the last quickfix list
 			title	get the list title
 			winid	get the |window-ID| (if opened)
@@ -6918,7 +6921,7 @@ setqflist({list} [, {action}[, {what}]])		*setqflist()*
 		is created. The new quickfix list is added after the current
 		quickfix list in the stack and all the following lists are
 		freed. To add a new quickfix list at the end of the stack,
-		set "nr" in {what} to '$'.
+		set "nr" in {what} to "$".
 
 		If {title} is given, it will be used to set |w:quickfix_title|
 		after opening the quickfix window.
@@ -6928,6 +6931,9 @@ setqflist({list} [, {action}[, {what}]])		*setqflist()*
 		argument is ignored.  The following items can be specified in
 		{what}:
 		    context	any Vim type can be stored as a context
+		    efm		errorformat to use when parsing text from
+				"lines". If this is not present, then the
+				'errorformat' option value is used.
 		    id		quickfix list identifier |quickfix-ID|
 		    items	list of quickfix entries. Same as the {list}
 				argument.
@@ -6935,7 +6941,7 @@ setqflist({list} [, {action}[, {what}]])		*setqflist()*
 				add the resulting entries to the quickfix list
 				{nr} or {id}.  Only a |List| value is supported.
 		    nr		list number in the quickfix stack; zero
-				means the current quickfix list and '$' means
+				means the current quickfix list and "$" means
 				the last quickfix list
 		    title	quickfix list title text
 		Unsupported keys in {what} are ignored.
@@ -6943,7 +6949,7 @@ setqflist({list} [, {action}[, {what}]])		*setqflist()*
 		is modified. When creating a new quickfix list, "nr" can be
 		set to a value one greater than the quickfix stack size.
 		When modifying a quickfix list, to guarantee that the correct
-		list is modified, 'id' should be used instead of 'nr' to
+		list is modified, "id" should be used instead of "nr" to
 		specify the list.
 
 		Examples: >

src/nvim/quickfix.c

@@ -4122,18 +4122,30 @@ enum {
 };
 
 // Parse text from 'di' and return the quickfix list items
-static int qf_get_list_from_lines(dictitem_T *di, dict_T *retdict)
+static int qf_get_list_from_lines(dict_T *what, dictitem_T *di, dict_T *retdict)
 {
   int status = FAIL;
+  char_u *errorformat = p_efm;
+  dictitem_T *efm_di;
 
   // Only a List value is supported
   if (di->di_tv.v_type == VAR_LIST && di->di_tv.vval.v_list != NULL) {
+    // If errorformat is supplied then use it, otherwise use the 'efm'
+    // option setting
+    if ((efm_di = tv_dict_find(what, S_LEN("efm"))) != NULL) {
+      if (efm_di->di_tv.v_type != VAR_STRING
+          || efm_di->di_tv.vval.v_string == NULL) {
+        return FAIL;
+      }
+      errorformat = efm_di->di_tv.vval.v_string;
+    }
+
     list_T *l = tv_list_alloc(kListLenMayKnow);
     qf_info_T *qi = xmalloc(sizeof(*qi));
     memset(qi, 0, sizeof(*qi));
     qi->qf_refcount++;
 
-    if (qf_init_ext(qi, 0, NULL, NULL, &di->di_tv, p_efm,
+    if (qf_init_ext(qi, 0, NULL, NULL, &di->di_tv, errorformat,
                     true, (linenr_T)0, (linenr_T)0, NULL, NULL) > 0) {
       (void)get_errorlist(qi, NULL, 0, l);
       qf_free(qi, 0);
@@ -4156,7 +4168,7 @@ int get_errorlist_properties(win_T *wp, dict_T *what, dict_T *retdict)
   dictitem_T *di;
 
   if ((di = tv_dict_find(what, S_LEN("lines"))) != NULL) {
-    return qf_get_list_from_lines(di, retdict);
+    return qf_get_list_from_lines(what, di, retdict);
   }
 
   if (wp != NULL) {
@@ -4390,6 +4402,7 @@ static int qf_set_properties(qf_info_T *qi, dict_T *what, int action,
   dictitem_T *di;
   int retval = FAIL;
   int newlist = false;
+  char_u *errorformat = p_efm;
 
   if (action == ' ' || qi->qf_curlist == qi->qf_listcount) {
     newlist = true;
@@ -4471,13 +4484,20 @@ static int qf_set_properties(qf_info_T *qi, dict_T *what, int action,
     }
   }
 
+  if ((di = tv_dict_find(what, S_LEN("efm"))) != NULL) {
+    if (di->di_tv.v_type != VAR_STRING || di->di_tv.vval.v_string == NULL) {
+      return FAIL;
+    }
+    errorformat = di->di_tv.vval.v_string;
+  }
+
   if ((di = tv_dict_find(what, S_LEN("lines"))) != NULL) {
     // Only a List value is supported
     if (di->di_tv.v_type == VAR_LIST && di->di_tv.vval.v_list != NULL) {
       if (action == 'r') {
         qf_free_items(qi, qf_idx);
       }
-      if (qf_init_ext(qi, qf_idx, NULL, NULL, &di->di_tv, p_efm,
+      if (qf_init_ext(qi, qf_idx, NULL, NULL, &di->di_tv, errorformat,
                       false, (linenr_T)0, (linenr_T)0, NULL, NULL) > 0) {
         retval = OK;
       }

src/nvim/testdir/test_quickfix.vim

@@ -2303,6 +2303,17 @@ func Xsetexpr_tests(cchar)
   call g:Xsetlist([], 'a', {'nr' : 2, 'lines' : ["File2:25:Line25"]})
   call assert_equal('Line15', g:Xgetlist({'nr':1, 'items':1}).items[1].text)
   call assert_equal('Line25', g:Xgetlist({'nr':2, 'items':1}).items[1].text)
+
+  " Adding entries using a custom efm
+  set efm&
+  call g:Xsetlist([], ' ', {'efm' : '%f#%l#%m',
+				\ 'lines' : ["F1#10#L10", "F2#20#L20"]})
+  call assert_equal(20, g:Xgetlist({'items':1}).items[1].lnum)
+  call g:Xsetlist([], 'a', {'efm' : '%f#%l#%m', 'lines' : ["F3:30:L30"]})
+  call assert_equal('F3:30:L30', g:Xgetlist({'items':1}).items[2].text)
+  call assert_equal(20, g:Xgetlist({'items':1}).items[1].lnum)
+  call assert_equal(-1, g:Xsetlist([], 'a', {'efm' : [],
+				\ 'lines' : ['F1:10:L10']}))
 endfunc
 
 func Test_setexpr()
@@ -2519,6 +2530,17 @@ func XgetListFromLines(cchar)
   call assert_equal([], g:Xgetlist({'lines' : []}).items)
   call assert_equal([], g:Xgetlist({'lines' : [10, 20]}).items)
 
+  " Parse text using a custom efm
+  set efm&
+  let l = g:Xgetlist({'lines':['File3#30#Line30'], 'efm' : '%f#%l#%m'}).items
+  call assert_equal('Line30', l[0].text)
+  let l = g:Xgetlist({'lines':['File3:30:Line30'], 'efm' : '%f-%l-%m'}).items
+  call assert_equal('File3:30:Line30', l[0].text)
+  let l = g:Xgetlist({'lines':['File3:30:Line30'], 'efm' : [1,2]})
+  call assert_equal({}, l)
+  call assert_fails("call g:Xgetlist({'lines':['abc'], 'efm':'%2'})", 'E376:')
+  call assert_fails("call g:Xgetlist({'lines':['abc'], 'efm':''})", 'E378:')
+
   " Make sure that the quickfix stack is not modified
   call assert_equal(0, g:Xgetlist({'nr' : '$'}).nr)
 endfunc