]> code.delx.au - gnu-emacs/blobdiff - lisp/progmodes/cc-engine.el
Merge from origin/emacs-25
[gnu-emacs] / lisp / progmodes / cc-engine.el
index 66b5369bbba8cea755c53a0445744291f9ff4c2f..4aff0dc14e094dfa05715b2f18f0bee96527c4da 100644 (file)
@@ -3501,6 +3501,9 @@ comment at the start of cc-engine.el for more info."
 (make-variable-buffer-local 'c-parse-state-state)
 (defun c-record-parse-state-state ()
   (setq c-parse-state-point (point))
+  (when (markerp (cdr (assq 'c-state-old-cpp-beg c-parse-state-state)))
+    (move-marker (cdr (assq 'c-state-old-cpp-beg c-parse-state-state)) nil)
+    (move-marker (cdr (assq 'c-state-old-cpp-end c-parse-state-state)) nil))
   (setq c-parse-state-state
        (mapcar
         (lambda (arg)
@@ -4288,8 +4291,7 @@ comment at the start of cc-engine.el for more info."
        (setq safe-pos-list (cdr safe-pos-list)))
       (unless (setq safe-pos (car-safe safe-pos-list))
        (setq safe-pos (max (or (c-safe-position
-                                (point) (or c-state-cache
-                                            (c-parse-state)))
+                                (point) (c-parse-state))
                                0)
                            (point-min))
              safe-pos-list (list safe-pos)))
@@ -4337,107 +4339,108 @@ Non-nil is returned if the point moved, nil otherwise.
 Note that this function might do hidden buffer changes.  See the
 comment at the start of cc-engine.el for more info."
 
-  (let ((start (point))
-       state-2
-       ;; A list of syntactically relevant positions in descending
-       ;; order.  It's used to avoid scanning repeatedly over
-       ;; potentially large regions with `parse-partial-sexp' to verify
-       ;; each position.  Used in `c-ssb-lit-begin'
-       safe-pos-list
-       ;; The result from `c-beginning-of-macro' at the start position or the
-       ;; start position itself if it isn't within a macro.  Evaluated on
-       ;; demand.
-       start-macro-beg
-       ;; The earliest position after the current one with the same paren
-       ;; level.  Used only when `paren-level' is set.
-       lit-beg
-       (paren-level-pos (point)))
-
-    (while
-       (progn
-         ;; The next loop "tries" to find the end point each time round,
-         ;; loops when it hasn't succeeded.
-         (while
-             (and
-              (let ((pos (point)))
-                (while (and
-                        (< (skip-chars-backward skip-chars limit) 0)
-                        ;; Don't stop inside a literal.
-                        (when (setq lit-beg (c-ssb-lit-begin))
-                          (goto-char lit-beg)
-                          t)))
-                (< (point) pos))
+  (c-self-bind-state-cache
+   (let ((start (point))
+        state-2
+        ;; A list of syntactically relevant positions in descending
+        ;; order.  It's used to avoid scanning repeatedly over
+        ;; potentially large regions with `parse-partial-sexp' to verify
+        ;; each position.  Used in `c-ssb-lit-begin'
+        safe-pos-list
+        ;; The result from `c-beginning-of-macro' at the start position or the
+        ;; start position itself if it isn't within a macro.  Evaluated on
+        ;; demand.
+        start-macro-beg
+        ;; The earliest position after the current one with the same paren
+        ;; level.  Used only when `paren-level' is set.
+        lit-beg
+        (paren-level-pos (point)))
+
+     (while
+        (progn
+          ;; The next loop "tries" to find the end point each time round,
+          ;; loops when it hasn't succeeded.
+          (while
+              (and
+               (let ((pos (point)))
+                 (while (and
+                         (< (skip-chars-backward skip-chars limit) 0)
+                         ;; Don't stop inside a literal.
+                         (when (setq lit-beg (c-ssb-lit-begin))
+                           (goto-char lit-beg)
+                           t)))
+                 (< (point) pos))
+
+               (let ((pos (point)) state-2 pps-end-pos)
 
-              (let ((pos (point)) state-2 pps-end-pos)
+                 (cond
+                  ((and paren-level
+                        (save-excursion
+                          (setq state-2 (parse-partial-sexp
+                                         pos paren-level-pos -1)
+                                pps-end-pos (point))
+                          (/= (car state-2) 0)))
+                   ;; Not at the right level.
+
+                   (if (and (< (car state-2) 0)
+                            ;; We stop above if we go out of a paren.
+                            ;; Now check whether it precedes or is
+                            ;; nested in the starting sexp.
+                            (save-excursion
+                              (setq state-2
+                                    (parse-partial-sexp
+                                     pps-end-pos paren-level-pos
+                                     nil nil state-2))
+                              (< (car state-2) 0)))
+
+                       ;; We've stopped short of the starting position
+                       ;; so the hit was inside a nested list.  Go up
+                       ;; until we are at the right level.
+                       (condition-case nil
+                           (progn
+                             (goto-char (scan-lists pos -1
+                                                    (- (car state-2))))
+                             (setq paren-level-pos (point))
+                             (if (and limit (>= limit paren-level-pos))
+                                 (progn
+                                   (goto-char limit)
+                                   nil)
+                               t))
+                         (error
+                          (goto-char (or limit (point-min)))
+                          nil))
+
+                     ;; The hit was outside the list at the start
+                     ;; position.  Go to the start of the list and exit.
+                     (goto-char (1+ (elt state-2 1)))
+                     nil))
+
+                  ((c-beginning-of-macro limit)
+                   ;; Inside a macro.
+                   (if (< (point)
+                          (or start-macro-beg
+                              (setq start-macro-beg
+                                    (save-excursion
+                                      (goto-char start)
+                                      (c-beginning-of-macro limit)
+                                      (point)))))
+                       t
+
+                     ;; It's inside the same macro we started in so it's
+                     ;; a relevant match.
+                     (goto-char pos)
+                     nil))))))
 
-                (cond
-                 ((and paren-level
-                       (save-excursion
-                         (setq state-2 (parse-partial-sexp
-                                        pos paren-level-pos -1)
-                               pps-end-pos (point))
-                         (/= (car state-2) 0)))
-                  ;; Not at the right level.
-
-                  (if (and (< (car state-2) 0)
-                           ;; We stop above if we go out of a paren.
-                           ;; Now check whether it precedes or is
-                           ;; nested in the starting sexp.
-                           (save-excursion
-                             (setq state-2
-                                   (parse-partial-sexp
-                                    pps-end-pos paren-level-pos
-                                    nil nil state-2))
-                             (< (car state-2) 0)))
-
-                      ;; We've stopped short of the starting position
-                      ;; so the hit was inside a nested list.  Go up
-                      ;; until we are at the right level.
-                      (condition-case nil
-                          (progn
-                            (goto-char (scan-lists pos -1
-                                                   (- (car state-2))))
-                            (setq paren-level-pos (point))
-                            (if (and limit (>= limit paren-level-pos))
-                                (progn
-                                  (goto-char limit)
-                                  nil)
-                              t))
-                        (error
-                         (goto-char (or limit (point-min)))
-                         nil))
-
-                    ;; The hit was outside the list at the start
-                    ;; position.  Go to the start of the list and exit.
-                    (goto-char (1+ (elt state-2 1)))
-                    nil))
-
-                 ((c-beginning-of-macro limit)
-                  ;; Inside a macro.
-                  (if (< (point)
-                         (or start-macro-beg
-                             (setq start-macro-beg
-                                   (save-excursion
-                                     (goto-char start)
-                                     (c-beginning-of-macro limit)
-                                     (point)))))
-                      t
-
-                    ;; It's inside the same macro we started in so it's
-                    ;; a relevant match.
-                    (goto-char pos)
-                    nil))))))
-
-         (> (point)
-            (progn
-              ;; Skip syntactic ws afterwards so that we don't stop at the
-              ;; end of a comment if `skip-chars' is something like "^/".
-              (c-backward-syntactic-ws)
-              (point)))))
+          (> (point)
+             (progn
+               ;; Skip syntactic ws afterwards so that we don't stop at the
+               ;; end of a comment if `skip-chars' is something like "^/".
+               (c-backward-syntactic-ws)
+               (point)))))
 
-    ;; We might want to extend this with more useful return values in
-    ;; the future.
-    (/= (point) start)))
+     ;; We might want to extend this with more useful return values in
+     ;; the future.
+     (/= (point) start))))
 
 ;; The following is an alternative implementation of
 ;; `c-syntactic-skip-backward' that uses backward movement to keep
@@ -5838,12 +5841,14 @@ comment at the start of cc-engine.el for more info."
                nil
              (cond ((looking-at c-keywords-regexp)
                     (c-forward-keyword-clause 1))
-                   ((looking-at c-noise-macro-with-parens-name-re)
+                   ((and c-opt-cpp-prefix
+                         (looking-at c-noise-macro-with-parens-name-re))
                     (c-forward-noise-clause)))))
-     (when (memq res '(t known found prefix))
-       ,(when (eq type 'ref)
-         `(when c-record-type-identifiers
-            (c-record-ref-id c-last-identifier-range)))
+     (when (memq res '(t known found prefix maybe))
+       (when c-record-type-identifiers
+        ,(if (eq type 'type)
+             `(c-record-type-id c-last-identifier-range)
+           `(c-record-ref-id c-last-identifier-range)))
        t)))
 
 (defmacro c-forward-id-comma-list (type update-safe-pos)
@@ -6083,7 +6088,7 @@ comment at the start of cc-engine.el for more info."
 
                      (when (or (looking-at "extends")
                                (looking-at "super"))
-                       (forward-word)
+                       (forward-word-strictly)
                        (c-forward-syntactic-ws)
                        (let ((c-promote-possible-types t)
                              (c-record-found-types t))
@@ -6410,13 +6415,15 @@ comment at the start of cc-engine.el for more info."
                    (eq (char-after) ?<))
               ;; Maybe an angle bracket arglist.
               (when (let ((c-record-type-identifiers t)
-                          (c-record-found-types t))
+                          (c-record-found-types t)
+                          (c-last-identifier-range))
                       (c-forward-<>-arglist nil))
 
-                (c-add-type start (1+ pos))
                 (c-forward-syntactic-ws)
-                (setq pos (point)
-                      c-last-identifier-range nil)
+                (unless (eq (char-after) ?\()
+                  (setq c-last-identifier-range nil)
+                  (c-add-type start (1+ pos)))
+                (setq pos (point))
 
                 (if (and c-opt-identifier-concat-key
                          (looking-at c-opt-identifier-concat-key))
@@ -6430,7 +6437,8 @@ comment at the start of cc-engine.el for more info."
                       (c-forward-syntactic-ws)
                       t)
 
-                  (when (and c-record-type-identifiers id-start)
+                  (when (and c-record-type-identifiers id-start
+                             (not (eq (char-after) ?\()))
                     (c-record-type-id (cons id-start id-end)))
                   (setq res 'template)
                   nil)))
@@ -6506,7 +6514,8 @@ comment at the start of cc-engine.el for more info."
       (while (cond
              ((looking-at c-decl-hangon-key)
               (c-forward-keyword-clause 1))
-             ((looking-at c-noise-macro-with-parens-name-re)
+             ((and c-opt-cpp-prefix
+                   (looking-at c-noise-macro-with-parens-name-re))
               (c-forward-noise-clause))))
 
       (setq pos (point))
@@ -6611,9 +6620,18 @@ comment at the start of cc-engine.el for more info."
                           ;; It's an identifier that might be a type.
                           'maybe))))
            ((eq name-res 'template)
-            ;; A template is a type.
+            ;; A template is sometimes a type.
             (goto-char id-end)
-            (setq res t))
+            (c-forward-syntactic-ws)
+            (setq res
+                  (if (eq (char-after) ?\()
+                      (if (c-check-type id-start id-end)
+                          ;; It's an identifier that has been used as
+                          ;; a type somewhere else.
+                          'found
+                        ;; It's an identifier that might be a type.
+                        'maybe)
+                    t)))
            (t
             ;; Otherwise it's an operator identifier, which is not a type.
             (goto-char start)
@@ -6798,6 +6816,9 @@ comment at the start of cc-engine.el for more info."
                      (c-backward-syntactic-ws))
                    (c-back-over-list-of-member-inits)
                    (and (eq (char-before) ?:)
+                        (save-excursion
+                          (c-backward-token-2)
+                          (not (looking-at c-:$-multichar-token-regexp)))
                         (c-just-after-func-arglist-p))))
 
            (while (and (not (and level-plausible
@@ -6812,6 +6833,9 @@ comment at the start of cc-engine.el for more info."
                      (c-backward-syntactic-ws)
                      (c-back-over-list-of-member-inits)
                      (and (eq (char-before) ?:)
+                          (save-excursion
+                            (c-backward-token-2)
+                            (not (looking-at c-:$-multichar-token-regexp)))
                           (c-just-after-func-arglist-p)))))
 
            (and at-top-level level-plausible)))
@@ -6905,7 +6929,8 @@ comment at the start of cc-engine.el for more info."
                  (cond
                   ((looking-at c-decl-hangon-key)
                    (c-forward-keyword-clause 1))
-                  ((looking-at c-noise-macro-with-parens-name-re)
+                  ((and c-opt-cpp-prefix
+                        (looking-at c-noise-macro-with-parens-name-re))
                    (c-forward-noise-clause))
                   ((and (looking-at c-type-decl-prefix-key)
                         (if (and (c-major-mode-is 'c++-mode)
@@ -6960,7 +6985,8 @@ comment at the start of cc-engine.el for more info."
              (while (cond
                      ((looking-at c-decl-hangon-key)
                       (c-forward-keyword-clause 1))
-                     ((looking-at c-noise-macro-with-parens-name-re)
+                     ((and c-opt-cpp-prefix
+                           (looking-at c-noise-macro-with-parens-name-re))
                       (c-forward-noise-clause))))
              (<= (point) limit))
 
@@ -7155,7 +7181,8 @@ comment at the start of cc-engine.el for more info."
            (save-excursion
              (c-forward-keyword-clause 1)
              (setq kwd-clause-end (point))))
-          ((looking-at c-noise-macro-with-parens-name-re)
+          ((and c-opt-cpp-prefix
+                (looking-at c-noise-macro-with-parens-name-re))
            (setq noise-start (point))
            (c-forward-noise-clause)
            (setq kwd-clause-end (point))))
@@ -7261,7 +7288,8 @@ comment at the start of cc-engine.el for more info."
       (while
          (cond ((looking-at c-decl-hangon-key)
                 (c-forward-keyword-clause 1))
-               ((looking-at c-noise-macro-with-parens-name-re)
+               ((and c-opt-cpp-prefix
+                     (looking-at c-noise-macro-with-parens-name-re))
                 (c-forward-noise-clause))))
       (setq id-start (point)))
 
@@ -9032,7 +9060,8 @@ comment at the start of cc-engine.el for more info."
          ((eq (char-after) ?\()
           (and (eq (c-backward-token-2) 0)
                (or (looking-at c-decl-hangon-key)
-                   (looking-at c-noise-macro-with-parens-name-re))))
+                   (and c-opt-cpp-prefix
+                        (looking-at c-noise-macro-with-parens-name-re)))))
 
          ((and c-recognize-<>-arglists
                (eq (char-after) ?<)
@@ -10297,7 +10326,8 @@ comment at the start of cc-engine.el for more info."
              (while (cond
                      ((looking-at c-specifier-key)
                       (c-forward-keyword-clause 1))
-                     ((looking-at c-noise-macro-with-parens-name-re)
+                     ((and c-opt-cpp-prefix
+                           (looking-at c-noise-macro-with-parens-name-re))
                       (c-forward-noise-clause))))
              (setq placeholder (c-point 'boi))
              (or (consp special-brace-list)
@@ -10353,7 +10383,8 @@ comment at the start of cc-engine.el for more info."
              (while (cond
                      ((looking-at c-specifier-key)
                       (c-forward-keyword-clause 1))
-                     ((looking-at c-noise-macro-with-parens-name-re)
+                     ((and c-opt-cpp-prefix
+                           (looking-at c-noise-macro-with-parens-name-re))
                       (c-forward-noise-clause))))
              (c-add-syntax 'defun-open (c-point 'boi))
              ;; Bogus to use bol here, but it's the legacy.  (Resolved,
@@ -10988,7 +11019,8 @@ comment at the start of cc-engine.el for more info."
            (while (cond
                    ((looking-at c-specifier-key)
                     (c-forward-keyword-clause 1))
-                   ((looking-at c-noise-macro-with-parens-name-re)
+                   ((and c-opt-cpp-prefix
+                         (looking-at c-noise-macro-with-parens-name-re))
                     (c-forward-noise-clause))))
            (c-add-syntax 'brace-list-open (c-point 'boi))))