vim-patch:8.0.0904: cannot set a location list from text

Problem:    Cannot set a location list from text.
Solution:   Add the "text" argument to setqflist(). (Yegappan Lakshmanan)
ae33833850

runtime/doc/eval.txt

@@ -6851,10 +6851,12 @@ setpos({expr}, {list})
 
 
 setqflist({list} [, {action}[, {what}]])		*setqflist()*
-		Create or replace or add to the quickfix list using the items
-		in {list}.  Each item in {list} is a dictionary.
-		Non-dictionary items in {list} are ignored.  Each dictionary
-		item can contain the following entries:
+		Create or replace or add to the quickfix list.
+		
+		When {what} is not present, use the items in {list}.  Each
+		item must be a dictionary.  Non-dictionary items in {list} are
+		ignored.  Each dictionary item can contain the following
+		entries:
 
 		    bufnr	buffer number; must be the number of a valid
 				buffer
@@ -6909,6 +6911,10 @@ 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
+		    text	use 'errorformat' to extract items from the
+				text and add the resulting entries to the
+				quickfix list {nr}.  The value can be a string
+				with one line or a list with multiple lines.
 		    items	list of quickfix entries. Same as the {list}
 				argument.
 		    nr		list number in the quickfix stack; zero

src/nvim/quickfix.c

@@ -4330,7 +4330,8 @@ static int qf_add_entries(qf_info_T *qi, int qf_idx, list_T *list,
   return retval;
 }
 
-static int qf_set_properties(qf_info_T *qi, dict_T *what, int action)
+static int qf_set_properties(qf_info_T *qi, dict_T *what, int action,
+                             char_u *title)
 {
   dictitem_T *di;
   int retval = FAIL;
@@ -4368,7 +4369,7 @@ static int qf_set_properties(qf_info_T *qi, dict_T *what, int action)
   }
 
   if (newlist) {
-    qf_new_list(qi, NULL);
+    qf_new_list(qi, title);
     qf_idx = qi->qf_curlist;
   }
 
@@ -4393,6 +4394,24 @@ static int qf_set_properties(qf_info_T *qi, dict_T *what, int action)
     }
   }
 
+  if ((di = tv_dict_find(what, S_LEN("text"))) != NULL) {
+    // Only string and list values are supported
+    if ((di->di_tv.v_type == VAR_STRING
+         && di->di_tv.vval.v_string != NULL)
+        || (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,
+                      false, (linenr_T)0, (linenr_T)0, NULL, NULL) > 0) {
+        retval = OK;
+      }
+    } else {
+      return FAIL;
+    }
+  }
+
   if ((di = tv_dict_find(what, S_LEN("context"))) != NULL) {
     tv_free(qi->qf_lists[qf_idx].qf_ctx);
 
@@ -4480,7 +4499,7 @@ int set_errorlist(win_T *wp, list_T *list, int action, char_u *title,
     // Free the entire quickfix or location list stack
     qf_free_stack(wp, qi);
   } else if (what != NULL) {
-    retval = qf_set_properties(qi, what, action);
+    retval = qf_set_properties(qi, what, action, title);
   } else {
     retval = qf_add_entries(qi, qi->qf_curlist, list, title, action);
   }

src/nvim/testdir/test_quickfix.vim

@@ -1844,6 +1844,11 @@ func Xproperty_tests(cchar)
     let l = g:Xgetlist({'items':1})
     call assert_equal(0, len(l.items))
 
+    " The following used to crash Vim with address sanitizer
+    call g:Xsetlist([], 'f')
+    call g:Xsetlist([], 'a', {'items' : [{'filename':'F1', 'lnum':10}]})
+    call assert_equal(10, g:Xgetlist({'items':1}).items[0].lnum)
+
     " Save and restore the quickfix stack
     call g:Xsetlist([], 'f')
     call assert_equal(0, g:Xgetlist({'nr':'$'}).nr)
@@ -2266,8 +2271,135 @@ func Xchangedtick_tests(cchar)
 endfunc
 
 func Test_changedtick()
-    call Xchangedtick_tests('c')
-    call Xchangedtick_tests('l')
+  call Xchangedtick_tests('c')
+  call Xchangedtick_tests('l')
+endfunc
+
+" Tests for parsing an expression using setqflist()
+func Xsetexpr_tests(cchar)
+  call s:setup_commands(a:cchar)
+
+  let t = ["File1:10:Line10", "File1:20:Line20"]
+  call g:Xsetlist([], ' ', {'text' : t})
+  call g:Xsetlist([], 'a', {'text' : "File1:30:Line30"})
+
+  let l = g:Xgetlist()
+  call assert_equal(3, len(l))
+  call assert_equal(20, l[1].lnum)
+  call assert_equal('Line30', l[2].text)
+  call g:Xsetlist([], 'r', {'text' : "File2:5:Line5"})
+  let l = g:Xgetlist()
+  call assert_equal(1, len(l))
+  call assert_equal('Line5', l[0].text)
+  call assert_equal(-1, g:Xsetlist([], 'a', {'text' : 10}))
+
+  call g:Xsetlist([], 'f')
+  " Add entries to multiple lists
+  call g:Xsetlist([], 'a', {'nr' : 1, 'text' : ["File1:10:Line10"]})
+  call g:Xsetlist([], 'a', {'nr' : 2, 'text' : ["File2:20:Line20"]})
+  call g:Xsetlist([], 'a', {'nr' : 1, 'text' : ["File1:15:Line15"]})
+  call g:Xsetlist([], 'a', {'nr' : 2, 'text' : ["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)
+endfunc
+
+func Test_setexpr()
+  call Xsetexpr_tests('c')
+  call Xsetexpr_tests('l')
+endfunc
+
+" Tests for per quickfix/location list directory stack
+func Xmultidirstack_tests(cchar)
+  call s:setup_commands(a:cchar)
+
+  call g:Xsetlist([], 'f')
+  Xexpr "" | Xexpr ""
+
+  call g:Xsetlist([], 'a', {'nr' : 1, 'text' : "Entering dir 'Xone/a'"})
+  call g:Xsetlist([], 'a', {'nr' : 2, 'text' : "Entering dir 'Xtwo/a'"})
+  call g:Xsetlist([], 'a', {'nr' : 1, 'text' : "one.txt:3:one one one"})
+  call g:Xsetlist([], 'a', {'nr' : 2, 'text' : "two.txt:5:two two two"})
+
+  let l1 = g:Xgetlist({'nr':1, 'items':1})
+  let l2 = g:Xgetlist({'nr':2, 'items':1})
+  call assert_equal('Xone/a/one.txt', bufname(l1.items[1].bufnr))
+  call assert_equal(3, l1.items[1].lnum)
+  call assert_equal('Xtwo/a/two.txt', bufname(l2.items[1].bufnr))
+  call assert_equal(5, l2.items[1].lnum)
+endfunc
+
+func Test_multidirstack()
+  call mkdir('Xone/a', 'p')
+  call mkdir('Xtwo/a', 'p')
+  let lines = ['1', '2', 'one one one', '4', 'two two two', '6', '7']
+  call writefile(lines, 'Xone/a/one.txt')
+  call writefile(lines, 'Xtwo/a/two.txt')
+  let save_efm = &efm
+  set efm=%DEntering\ dir\ '%f',%f:%l:%m,%XLeaving\ dir\ '%f'
+
+  call Xmultidirstack_tests('c')
+  call Xmultidirstack_tests('l')
+
+  let &efm = save_efm
+  call delete('Xone', 'rf')
+  call delete('Xtwo', 'rf')
+endfunc
+
+" Tests for per quickfix/location list file stack
+func Xmultifilestack_tests(cchar)
+  call s:setup_commands(a:cchar)
+
+  call g:Xsetlist([], 'f')
+  Xexpr "" | Xexpr ""
+
+  call g:Xsetlist([], 'a', {'nr' : 1, 'text' : "[one.txt]"})
+  call g:Xsetlist([], 'a', {'nr' : 2, 'text' : "[two.txt]"})
+  call g:Xsetlist([], 'a', {'nr' : 1, 'text' : "(3,5) one one one"})
+  call g:Xsetlist([], 'a', {'nr' : 2, 'text' : "(5,9) two two two"})
+
+  let l1 = g:Xgetlist({'nr':1, 'items':1})
+  let l2 = g:Xgetlist({'nr':2, 'items':1})
+  call assert_equal('one.txt', bufname(l1.items[1].bufnr))
+  call assert_equal(3, l1.items[1].lnum)
+  call assert_equal('two.txt', bufname(l2.items[1].bufnr))
+  call assert_equal(5, l2.items[1].lnum)
+endfunc
+
+func Test_multifilestack()
+  let lines = ['1', '2', 'one one one', '4', 'two two two', '6', '7']
+  call writefile(lines, 'one.txt')
+  call writefile(lines, 'two.txt')
+  let save_efm = &efm
+  set efm=%+P[%f],(%l\\,%c)\ %m,%-Q
+
+  call Xmultifilestack_tests('c')
+  call Xmultifilestack_tests('l')
+
+  let &efm = save_efm
+  call delete('one.txt')
+  call delete('two.txt')
+endfunc
+
+" Tests for per buffer 'efm' setting
+func Test_perbuf_efm()
+  call writefile(["File1-10-Line10"], 'one.txt')
+  call writefile(["File2#20#Line20"], 'two.txt')
+  set efm=%f#%l#%m
+  new | only
+  new
+  setlocal efm=%f-%l-%m
+  cfile one.txt
+  wincmd w
+  caddfile two.txt
+
+  let l = getqflist()
+  call assert_equal(10, l[0].lnum)
+  call assert_equal('Line20', l[1].text)
+
+  set efm&
+  new | only
+  call delete('one.txt')
+  call delete('two.txt')
 endfunc
 
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