Merge from origin/emacs-29

db8f207e52 Fix some cases of incomplete code's indentation [c/c++-ts...
589959fb09 project-search: Pipe the list of files through 'file-regu...

lisp/progmodes/c-ts-mode.el

@@ -859,6 +859,18 @@ the semicolon.  This function skips the semicolon."
     (goto-char (match-end 0)))
   (treesit-default-defun-skipper))
 
+(defun c-ts-base--before-indent (args)
+  (pcase-let ((`(,node ,parent ,bol) args))
+    (when (null node)
+      (let ((smallest-node (treesit-node-at (point))))
+        ;; "Virtual" closer curly added by the
+        ;; parser's error recovery.
+        (when (and (equal (treesit-node-type smallest-node) "}")
+                   (equal (treesit-node-end smallest-node)
+                          (treesit-node-start smallest-node)))
+          (setq parent (treesit-node-parent smallest-node)))))
+    (list node parent bol)))
+
 (defun c-ts-mode-indent-defun ()
   "Indent the current top-level declaration syntactically.
 
@@ -933,6 +945,11 @@ the semicolon.  This function skips the semicolon."
   ;; function_definitions, so we need to find the top-level node.
   (setq-local treesit-defun-prefer-top-level t)
 
+  ;; When the code is in incomplete state, try to make a better guess
+  ;; about which node to indent against.
+  (add-function :filter-args (local 'treesit-indent-function)
+                #'c-ts-base--before-indent)
+
   ;; Indent.
   (when (eq c-ts-mode-indent-style 'linux)
     (setq-local indent-tabs-mode t))

lisp/progmodes/project.el

@@ -1227,7 +1227,10 @@ To continue searching for the next match, use the
 command \\[fileloop-continue]."
   (interactive "sSearch (regexp): ")
   (fileloop-initialize-search
-   regexp (project-files (project-current t)) 'default)
+   regexp
+   ;; XXX: See the comment in project-query-replace-regexp.
+   (cl-delete-if-not #'file-regular-p (project-files (project-current t)))
+   'default)
   (fileloop-continue))
 
 ;;;###autoload

test/lisp/progmodes/c-ts-mode-resources/indent.erts

@@ -464,3 +464,17 @@ main (void)
   |
 }
 =-=-=
+
+Name: Empty Line (Block Start)
+
+=-=
+int
+main (void)
+{
+|
+=-=
+int
+main (void)
+{
+  |
+=-=-=