;;; cc-fonts.el --- font lock support for CC Mode
-;; Copyright (C) 2002-2011 Free Software Foundation, Inc.
+;; Copyright (C) 2002-2013 Free Software Foundation, Inc.
;; Authors: 2003- Alan Mackenzie
;; 2002- Martin Stjernholm
(unless (face-property-instance oldface 'reverse)
(invert-face newface)))))
-(defvar c-annotation-face (make-face 'c-annotation-face)
- "Face used to highlight annotations in java-mode and other modes that may wish to use it.")
-(set-face-foreground 'c-annotation-face "blue")
+(defvar c-annotation-face 'c-annotation-face)
+
+(defface c-annotation-face
+ '((default :inherit font-lock-constant-face))
+ "Face for highlighting annotations in Java mode and similar modes."
+ :version "24.1"
+ :group 'c)
(eval-and-compile
;; We need the following definitions during compilation since they're
;; from within a #if preprocessor construct.
(defvar c-font-lock-context nil)
(make-variable-buffer-local 'c-font-lock-context)
-
+
(defmacro c-put-font-lock-face (from to face)
;; Put a face on a region (overriding any existing face) in the way
;; font-lock would do it. In XEmacs that means putting an
res))))
(defun c-make-font-lock-search-form (regexp highlights)
- ;; Return a lisp form which will fontify every occurence of REGEXP
+ ;; Return a lisp form which will fontify every occurrence of REGEXP
;; (a regular expression, NOT a function) between POINT and `limit'
;; with HIGHLIGHTS, a list of highlighters as specified on page
;; "Search-based Fontification" in the elisp manual.
(match-beginning ,(car highlight))
(match-end ,(car highlight))
,(elt highlight 1))))
- ;; highlight is an "ANCHORED HIGHLIGHER" of the form
+ ;; highlight is an "ANCHORED HIGHLIGHTER" of the form
;; (ANCHORED-MATCHER PRE-FORM POST-FORM SUBEXP-HIGHLIGHTERS...)
(when (nth 3 highlight)
(error "Match highlights currently not supported in %s"
;; establish a context for the current text when, e.g., a character
;; is typed on a C++ inheritance continuation line, or a jit-lock
;; chunk starts there.
- ;;
+ ;;
;; The new function works much like a matcher element in
;; `font-lock-keywords'. It cuts out a little bit of the overhead
;; compared to a real matcher. The main reason is however to pass the
;; `parse-sexp-lookup-properties' (when it exists).
(parse-sexp-lookup-properties
(cc-eval-when-compile
- (boundp 'parse-sexp-lookup-properties))))
+ (boundp 'parse-sexp-lookup-properties)))
+ (BOD-limit
+ (c-determine-limit 1000)))
(goto-char
(let ((here (point)))
- (if (eq (car (c-beginning-of-decl-1)) 'same)
+ (if (eq (car (c-beginning-of-decl-1 BOD-limit)) 'same)
(point)
here)))
,(c-make-font-lock-search-form regexp highlights))
;; This function does not do any hidden buffer changes, but the
;; generated functions will. (They are however used in places
;; covered by the font-lock context.)
- ;;
+ ;;
;; Note: Replace `byte-compile' with `eval' to debug the generated
;; lambda more easily.
(byte-compile
;; Inside the following "condition form", we move forward over the
;; declarator's identifier up as far as any opening bracket (for array
;; size) or paren (for parameters of function-type) or brace (for
- ;; array/struct initialisation) or "=" or terminating delimiter
+ ;; array/struct initialization) or "=" or terminating delimiter
;; (e.g. "," or ";" or "}").
(and
pos
(<= (point) limit))
;; Search syntactically to the end of the declarator (";",
- ;; ",", a closen paren, eob etc) or to the beginning of an
+ ;; ",", a closing paren, eob etc) or to the beginning of an
;; initializer or function prototype ("=" or "\\s\(").
;; Note that the open paren will match array specs in
;; square brackets, and we treat them as initializers too.
(char-after (match-beginning 1))))
(if types
- ;; Register and fontify the identifer as a type.
+ ;; Register and fontify the identifier as a type.
(let ((c-promote-possible-types t))
(goto-char id-start)
(c-forward-type))
;; o - '<> if the arglist is of angle bracket type;
;; o - 'arglist if it's some other arglist;
;; o - nil, if not in an arglist at all. This includes the
- ;; parenthesised condition which follows "if", "while", etc.
+ ;; parenthesized condition which follows "if", "while", etc.
context
;; The position of the next token after the closing paren of
;; the last detected cast.
;; it finds any. That's necessary so that we later will
;; stop inside them to fontify types there.
(c-parse-and-markup-<>-arglists t)
+ lbrace ; position of some {.
;; The font-lock package in Emacs is known to clobber
;; `parse-sexp-lookup-properties' (when it exists).
(parse-sexp-lookup-properties
(when
;; The result of the form below is true when we don't recognize a
;; declaration or cast.
- (if (and (eq (get-text-property (point) 'face)
- 'font-lock-keyword-face)
- (looking-at c-not-decl-init-keywords))
+ (if (or (and (eq (get-text-property (point) 'face)
+ 'font-lock-keyword-face)
+ (looking-at c-not-decl-init-keywords))
+ (and c-macro-with-semi-re
+ (looking-at c-macro-with-semi-re))) ; 2008-11-04
;; Don't do anything more if we're looking at a keyword that
;; can't start a declaration.
t
(or (looking-at c-typedef-key)
(goto-char start-pos)))
- ;; Now analyze the construct.
;; In QT, "more" is an irritating keyword that expands to nothing.
;; We skip over it to prevent recognition of "more slots: <symbol>"
;; as a bitfield declaration.
(concat "\\(more\\)\\([^" c-symbol-chars "]\\|$\\)")))
(goto-char (match-end 1))
(c-forward-syntactic-ws))
+
+ ;; Now analyze the construct.
(setq decl-or-cast (c-forward-decl-or-cast-1
match-pos context last-cast-end))
(c-fontify-recorded-types-and-refs)
nil)
+ ;; Restore point, since at this point in the code it has been
+ ;; left undefined by c-forward-decl-or-cast-1 above.
+ ((progn (goto-char start-pos) nil))
+
+ ;; If point is inside a bracelist, there's no point checking it
+ ;; being at a declarator.
+ ((let ((paren-state (c-parse-state)))
+ (setq lbrace (c-cheap-inside-bracelist-p paren-state)))
+ ;; Move past this bracelist to prevent an endless loop.
+ (goto-char lbrace)
+ (unless (c-safe (progn (forward-list) t))
+ (goto-char start-pos)
+ (c-forward-token-2))
+ nil)
+
+ ;; If point is just after a ")" which is followed by an
+ ;; identifier which isn't a label, or at the matching "(", we're
+ ;; at either a macro invocation, a cast, or a
+ ;; for/while/etc. statement. The cast case is handled above.
+ ;; None of these cases can contain a declarator.
+ ((or (and (eq (char-before match-pos) ?\))
+ (c-on-identifier)
+ (save-excursion (not (c-forward-label))))
+ (and (eq (char-after) ?\()
+ (save-excursion
+ (and
+ (progn (c-backward-token-2) (c-on-identifier))
+ (save-excursion (not (c-forward-label)))
+ (progn (c-backward-token-2)
+ (eq (char-after) ?\())))))
+ (c-forward-token-2) ; Must prevent looping.
+ nil)
+
+ ((and (not c-enums-contain-decls)
+ ;; An optimization quickly to eliminate scans of long enum
+ ;; declarations in the next cond arm.
+ (let ((paren-state (c-parse-state)))
+ (and
+ (numberp (car paren-state))
+ (save-excursion
+ (goto-char (car paren-state))
+ (c-backward-token-2)
+ (or (looking-at c-brace-list-key)
+ (progn
+ (c-backward-token-2)
+ (looking-at c-brace-list-key)))))))
+ (c-forward-token-2)
+ nil)
+
(t
;; Are we at a declarator? Try to go back to the declaration
;; to check this. If we get there, check whether a "typedef"
;; is there, then fontify the declarators accordingly.
- (let ((decl-search-lim (max (- (point) 50000) (point-min)))
- paren-state bod-res encl-pos is-typedef
+ (let ((decl-search-lim (c-determine-limit 1000))
+ paren-state bod-res encl-pos is-typedef
c-recognize-knr-p) ; Strictly speaking, bogus, but it
; speeds up lisp.h tremendously.
(save-excursion
;; Fontify the declarators of (nested) declarations we're in the middle of.
;; This is mainly for when a jit-lock etc. chunk starts inside the brace
;; block of a struct/union/class, etc.
- ;;
+ ;;
;; This function will be called from font-lock for a region bounded by POINT
;; and LIMIT, as though it were to identify a keyword for
;; font-lock-keyword-face. It always returns NIL to inhibit this and
;; prevent a repeat invocation. See elisp/lispref page "Search-based
;; Fontification".
(let* ((paren-state (c-parse-state))
- (start (point))
- decl-context bo-decl in-typedef type-type ps-elt)
-
- ;; First, are we actually in a "local" declaration?
- (setq decl-context (c-beginning-of-decl-1)
- bo-decl (point)
- in-typedef (looking-at c-typedef-key))
- (if in-typedef (c-forward-token-2))
- (when (and (eq (car decl-context) 'same)
- (< bo-decl start))
- ;; Are we genuinely at a type?
- (setq type-type (c-forward-type t))
- (if (and type-type
- (or (not (eq type-type 'maybe))
- (looking-at c-symbol-key)))
- (c-font-lock-declarators limit t in-typedef)))
-
- ;; Secondly, are we in any nested struct/union/class/etc. braces?
+ (decl-search-lim (c-determine-limit 1000))
+ decl-context in-typedef ps-elt)
+ ;; Are we in any nested struct/union/class/etc. braces?
(while paren-state
(setq ps-elt (car paren-state)
paren-state (cdr paren-state))
(when (and (atom ps-elt)
(eq (char-after ps-elt) ?\{))
(goto-char ps-elt)
- (setq decl-context (c-beginning-of-decl-1)
+ (setq decl-context (c-beginning-of-decl-1 decl-search-lim)
in-typedef (looking-at c-typedef-key))
(if in-typedef (c-forward-token-2))
- (when (looking-at c-opt-block-decls-with-vars-key)
+ (when (and c-opt-block-decls-with-vars-key
+ (looking-at c-opt-block-decls-with-vars-key))
(goto-char ps-elt)
(when (c-safe (c-forward-sexp))
(c-forward-syntactic-ws)
(c-font-lock-declarators limit t in-typedef)))))))
-
+
(c-lang-defconst c-simple-decl-matchers
"Simple font lock matchers for types and declarations. These are used
on level 2 only and so aren't combined with `c-complex-decl-matchers'."
(defconst c-font-lock-keywords-3 (c-lang-const c-matchers-3 c)
"Accurate normal font locking for C mode.
-Like `c-font-lock-keywords-2' but detects declarations in a more
+Like the variable `c-font-lock-keywords-2' but detects declarations in a more
accurate way that works in most cases for arbitrary types without the
need for `c-font-lock-extra-types'.")
(defconst c++-font-lock-keywords-3 (c-lang-const c-matchers-3 c++)
"Accurate normal font locking for C++ mode.
-Like `c++-font-lock-keywords-2' but detects declarations in a more
+Like the variable `c++-font-lock-keywords-2' but detects declarations in a more
accurate way that works in most cases for arbitrary types without the
need for `c++-font-lock-extra-types'.")
(defconst objc-font-lock-keywords-3 (c-lang-const c-matchers-3 objc)
"Accurate normal font locking for Objective-C mode.
-Like `objc-font-lock-keywords-2' but detects declarations in a more
+Like the variable `objc-font-lock-keywords-2' but detects declarations in a more
accurate way that works in most cases for arbitrary types without the
need for `objc-font-lock-extra-types'.")
(defconst java-font-lock-keywords-3 (c-lang-const c-matchers-3 java)
"Accurate normal font locking for Java mode.
-Like `java-font-lock-keywords-2' but detects declarations in a more
+Like variable `java-font-lock-keywords-2' but detects declarations in a more
accurate way that works in most cases for arbitrary types without the
need for `java-font-lock-extra-types'.")
(defconst idl-font-lock-keywords-3 (c-lang-const c-matchers-3 idl)
"Accurate normal font locking for CORBA IDL mode.
-Like `idl-font-lock-keywords-2' but detects declarations in a more
+Like the variable `idl-font-lock-keywords-2' but detects declarations in a more
accurate way that works in most cases for arbitrary types without the
need for `idl-font-lock-extra-types'.")
(defconst pike-font-lock-keywords-3 (c-lang-const c-matchers-3 pike)
"Accurate normal font locking for Pike mode.
-Like `pike-font-lock-keywords-2' but detects declarations in a more
+Like the variable `pike-font-lock-keywords-2' but detects declarations in a more
accurate way that works in most cases for arbitrary types without the
need for `pike-font-lock-extra-types'.")
(defconst gtkdoc-font-lock-doc-comments
(let ((symbol "[a-zA-Z0-9_]+")
(header "^ \\* "))
- `((,(concat header "\\(" symbol "\\):[ \t]*$")
+ `((,(concat header "\\(" symbol "\\):[ \t]*$")
1 ,c-doc-markup-face-name prepend nil)
(,(concat symbol "()")
0 ,c-doc-markup-face-name prepend nil)