;;; cc-langs.el --- language specific settings for CC Mode
-;; Copyright (C) 1985, 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1987, 1992-2011 Free Software Foundation, Inc.
;; Authors: 2002- Alan Mackenzie
;; 1998- Martin Stjernholm
;; 1992-1999 Barry A. Warsaw
-;; 1987 Dave Detlefs and Stewart Clamen
+;; 1987 Dave Detlefs
+;; 1987 Stewart Clamen
;; 1985 Richard M. Stallman
;; Maintainer: bug-cc-mode@gnu.org
;; Created: 22-Apr-1997 (split from cc-mode.el)
-;; Version: See cc-mode.el
-;; Keywords: c languages oop
+;; Keywords: c languages
+;; Package: cc-mode
;; This file is part of GNU Emacs.
;;; Code:
+;; For Emacs < 22.2.
+(eval-and-compile
+ (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
(eval-when-compile
(let ((load-path
(if (and (boundp 'byte-compile-dest-file)
(def-edebug-spec c-lang-defvar
(&define name def-form &optional stringp)) ;)
+;; Suppress "might not be defined at runtime" warning.
+;; This file is only used when compiling other cc files.
+(declare-function delete-duplicates "cl-seq" (cl-seq &rest cl-keys))
+(declare-function mapcan "cl-extra" (cl-func cl-seq &rest cl-rest))
+(declare-function cl-macroexpand-all "cl-extra" (form &optional env))
+
(eval-and-compile
;; Some helper functions used when building the language constants.
:style toggle :selected c-auto-newline]
["Hungry delete" c-toggle-hungry-state
:style toggle :selected c-hungry-delete-key]
- ["Subword mode" c-subword-mode
- :style toggle :selected (and (boundp 'c-subword-mode)
- c-subword-mode)])))
+ ["Subword mode" subword-mode
+ :style toggle :selected (and (boundp 'subword-mode)
+ subword-mode)])))
\f
;;; Syntax tables.
(let ((table (make-syntax-table)))
(c-populate-syntax-table table)
;; Mode specific syntaxes.
- ,(cond ((c-major-mode-is 'objc-mode)
+ ,(cond ((or (c-major-mode-is 'objc-mode) (c-major-mode-is 'java-mode))
;; Let '@' be part of symbols in ObjC to cope with
;; its compiler directives as single keyword tokens.
;; This is then necessary since it's assumed that
;; '<' and '>' characters. Therefore this syntax table might go
;; away when CC Mode handles templates correctly everywhere.
t nil
- c++ `(lambda ()
+ (java c++) `(lambda ()
(let ((table (funcall ,(c-lang-const c-make-mode-syntax-table))))
(modify-syntax-entry ?< "(>" table)
(modify-syntax-entry ?> ")<" table)
(and (c-lang-const c++-make-template-syntax-table)
(funcall (c-lang-const c++-make-template-syntax-table))))
+(c-lang-defconst c-no-parens-syntax-table
+ ;; A variant of the standard syntax table which is used to find matching
+ ;; "<"s and ">"s which have been marked as parens using syntax table
+ ;; properties. The other paren characters (e.g. "{", ")" "]") are given a
+ ;; non-paren syntax here. so that the list commands will work on "< ... >"
+ ;; even when there's unbalanced other parens inside them.
+ ;;
+ ;; This variable is nil for languages which don't have template stuff.
+ t `(lambda ()
+ (if (c-lang-const c-recognize-<>-arglists)
+ (let ((table (funcall ,(c-lang-const c-make-mode-syntax-table))))
+ (modify-syntax-entry ?\( "." table)
+ (modify-syntax-entry ?\) "." table)
+ (modify-syntax-entry ?\[ "." table)
+ (modify-syntax-entry ?\] "." table)
+ (modify-syntax-entry ?\{ "." table)
+ (modify-syntax-entry ?\} "." table)
+ table))))
+(c-lang-defvar c-no-parens-syntax-table
+ (funcall (c-lang-const c-no-parens-syntax-table)))
+
(c-lang-defconst c-identifier-syntax-modifications
"A list that describes the modifications that should be done to the
mode syntax table to get a syntax table that matches all identifiers
;; it as an indentifier character since it's often used in various
;; machine generated identifiers.
t '((?_ . "w") (?$ . "w"))
- objc (append '((?@ . "w"))
+ (objc java) (append '((?@ . "w"))
(c-lang-const c-identifier-syntax-modifications))
awk '((?_ . "w")))
(c-lang-defvar c-identifier-syntax-modifications
classifies symbol constituents like '_' and '$' as word constituents,
so that all identifiers are recognized as words.")
-(c-lang-defconst c-get-state-before-change-function
- "If non-nil, a function called from c-before-change-hook.
-Typically it will record enough state to allow
+(c-lang-defconst c-get-state-before-change-functions
+ ;; For documentation see the following c-lang-defvar of the same name.
+ ;; The value here may be a list of functions or a single function.
+ t nil
+ c++ '(c-extend-region-for-CPP c-before-change-check-<>-operators)
+ (c objc) 'c-extend-region-for-CPP
+ ;; java 'c-before-change-check-<>-operators
+ awk 'c-awk-record-region-clear-NL)
+(c-lang-defvar c-get-state-before-change-functions
+ (let ((fs (c-lang-const c-get-state-before-change-functions)))
+ (if (listp fs)
+ fs
+ (list fs)))
+ "If non-nil, a list of functions called from c-before-change-hook.
+Typically these will record enough state to allow
`c-before-font-lock-function' to extend the region to fontify,
and may do such things as removing text-properties which must be
recalculated.
-It takes 2 parameters, the BEG and END supplied to every
+These functions will be run in the order given. Each of them
+takes 2 parameters, the BEG and END supplied to every
before-change function; on entry, the buffer will have been
widened and match-data will have been saved; point is undefined
on both entry and exit; the return value is ignored.
-When the mode is initialized, this function is called with
-parameters \(point-min) and \(point-max)."
- t nil
- (c c++ objc) 'c-extend-region-for-CPP
- awk 'c-awk-record-region-clear-NL)
-(c-lang-defvar c-get-state-before-change-function
- (c-lang-const c-get-state-before-change-function))
-
+The functions are called even when font locking isn't enabled.
+
+When the mode is initialized, the functions are called with
+parameters \(point-min) and \(point-max).")
+
(c-lang-defconst c-before-font-lock-function
"If non-nil, a function called just before font locking.
Typically it will extend the region about to be fontified \(see
When the mode is initialized, this function is called with
parameters \(point-min), \(point-max) and <buffer size>."
t nil
- (c c++ objc) 'c-neutralize-syntax-in-CPP
+ (c c++ objc) 'c-neutralize-syntax-in-and-mark-CPP
awk 'c-awk-extend-and-syntax-tablify-region)
(c-lang-defvar c-before-font-lock-function
(c-lang-const c-before-font-lock-function))
(c-lang-defconst c-symbol-start
"Regexp that matches the start of a symbol, i.e. any identifier or
-keyword. It's unspecified how far it matches. Does not contain a \\|
+keyword. It's unspecified how far it matches. Does not contain a \\|
operator at the top level."
t (concat "[" c-alpha "_]")
+ java (concat "[" c-alpha "_@]")
objc (concat "[" c-alpha "@]")
pike (concat "[" c-alpha "_`]"))
(c-lang-defvar c-symbol-start (c-lang-const c-symbol-start))
;; Primary.
,@(c-lang-const c-identifier-ops)
- ,@(cond ((c-major-mode-is 'c++-mode)
+ ,@(cond ((or (c-major-mode-is 'c++-mode) (c-major-mode-is 'java-mode))
`((postfix-if-paren "<" ">"))) ; Templates.
((c-major-mode-is 'pike-mode)
`((prefix "global" "predef")))
;; Note: the following alias is an old name which was a mis-spelling. It has
;; been corrected above and throughout cc-engine.el. It will be removed at
;; some release very shortly in the future. ACM, 2006-04-14.
-(defalias 'c-opt-op-identitier-prefix 'c-opt-op-identifier-prefix)
+(defvaralias 'c-opt-op-identitier-prefix 'c-opt-op-identifier-prefix)
(make-obsolete-variable 'c-opt-op-identitier-prefix 'c-opt-op-identifier-prefix
"CC Mode 5.31.4, 2006-04-14")
t
"\\`<."
(lambda (op) (substring op 1)))))
+
(c-lang-defvar c-<-op-cont-regexp (c-lang-const c-<-op-cont-regexp))
(c-lang-defconst c->-op-cont-regexp
(c-filter-ops (c-lang-const c-all-op-syntax-tokens)
t
"\\`>."
- (lambda (op) (substring op 1)))))
+ (lambda (op) (substring op 1))))
+ java (c-make-keywords-re nil
+ (c-filter-ops (c-lang-const c-all-op-syntax-tokens)
+ t
+ "\\`>[^>]\\|\\`>>[^>]"
+ (lambda (op) (substring op 1)))))
+
(c-lang-defvar c->-op-cont-regexp (c-lang-const c->-op-cont-regexp))
(c-lang-defconst c-stmt-delim-chars
;; In CORBA PSDL:
"strong"))
+(c-lang-defconst c-typedef-kwds
+ "Prefix keyword\(s\) like \"typedef\" which make a type declaration out
+of a variable declaration."
+ t '("typedef")
+ (awk idl java) nil)
+
+(c-lang-defconst c-typedef-key
+ ;; Adorned regexp matching `c-typedef-kwds'.
+ t (c-make-keywords-re t (c-lang-const c-typedef-kwds)))
+(c-lang-defvar c-typedef-key (c-lang-const c-typedef-key))
+
(c-lang-defconst c-type-prefix-kwds
"Keywords where the following name - if any - is a type name, and
where the keyword together with the symbol works as a type in
c++ '("class" "struct" "union")
objc '("struct" "union"
"@interface" "@implementation" "@protocol")
- java '("class" "interface")
+ java '("class" "@interface" "interface")
idl '("component" "eventtype" "exception" "home" "interface" "struct"
"union" "valuetype"
;; In CORBA PSDL:
`c-<>-type-kwds', or `c-<>-arglist-kwds' then the associated clauses
will be handled."
t '("enum")
- (java awk) nil)
+ (awk) nil)
(c-lang-defconst c-brace-list-key
;; Regexp matching the start of declarations where the following
;; types in IDL since they only can occur in "raises" specs.
idl (delete "exception" (append (c-lang-const c-typedef-decl-kwds) nil)))
+(c-lang-defconst c-typedef-decl-key
+ t (c-make-keywords-re t (c-lang-const c-typedef-decl-kwds)))
+(c-lang-defvar c-typedef-decl-key (c-lang-const c-typedef-decl-key))
+
(c-lang-defconst c-typeless-decl-kwds
"Keywords introducing declarations where the \(first) identifier
\(declarator) follows directly after the keyword, without any type.
"bindsTo" "delegatesTo" "implements" "proxy" "storedOn")
;; Note: "const" is not used in Java, but it's still a reserved keyword.
java '("abstract" "const" "final" "native" "private" "protected" "public"
- "static" "strictfp" "synchronized" "transient" "volatile")
+ "static" "strictfp" "synchronized" "transient" "volatile" "@[A-Za-z0-9]+")
pike '("final" "inline" "local" "nomask" "optional" "private" "protected"
"public" "static" "variant"))
(c-lang-defconst c-prefix-spec-kwds-re
;; Adorned regexp of `c-prefix-spec-kwds'.
- t (c-make-keywords-re t (c-lang-const c-prefix-spec-kwds)))
+ t (c-make-keywords-re t (c-lang-const c-prefix-spec-kwds))
+ java (replace-regexp-in-string
+ "\\\\\\[" "["
+ (replace-regexp-in-string "\\\\\\+" "+" (c-make-keywords-re t (c-lang-const c-prefix-spec-kwds)))))
+
(c-lang-defvar c-prefix-spec-kwds-re (c-lang-const c-prefix-spec-kwds-re))
(c-lang-defconst c-specifier-key
t nil
c++ '("operator")
objc '("@class")
- java '("import" "new" "extends" "implements" "throws")
+ java '("import" "new" "extends" "super" "implements" "throws")
idl '("manages" "native" "primarykey" "supports"
;; In CORBA PSDL:
"as" "implements" "of" "scope")
(c-make-keywords-re t (c-lang-const c-asm-stmt-kwds))))
(c-lang-defvar c-opt-asm-stmt-key (c-lang-const c-opt-asm-stmt-key))
+(c-lang-defconst c-case-kwds
+ "The keyword\(s) which introduce a \"case\" like construct.
+This construct is \"<keyword> <expression> :\"."
+ t '("case")
+ awk nil)
+
+(c-lang-defconst c-case-kwds-regexp
+ ;; Adorned regexp matching any "case"-like keyword.
+ t (c-make-keywords-re t (c-lang-const c-case-kwds)))
+(c-lang-defvar c-case-kwds-regexp (c-lang-const c-case-kwds-regexp))
+
(c-lang-defconst c-label-kwds
"Keywords introducing colon terminated labels in blocks."
t '("case" "default")
t nil
(c c++) '("NULL" ;; Not a keyword, but practically works as one.
"false" "true") ; Defined in C99.
- objc '("nil" "Nil")
+ objc '("nil" "Nil" "YES" "NO" "NS_DURING" "NS_HANDLER" "NS_ENDHANDLER")
idl '("TRUE" "FALSE")
java '("true" "false" "null") ; technically "literals", not keywords
pike '("UNDEFINED")) ;; Not a keyword, but practically works as one.
;; in all languages except Java for when a cpp macro definition
;; begins with a declaration.
t "\\([\{\}\(\);,]+\\)"
- java "\\([\{\}\(;,]+\\)"
+ java "\\([\{\}\(;,<]+\\)"
;; Match "<" in C++ to get the first argument in a template arglist.
;; In that case there's an additional check in `c-find-decl-spots'
;; that it got open paren syntax.
c++ (concat "\\("
"[*\(&]"
"\\|"
- (concat "\\(" ; 2
+ (c-lang-const c-type-decl-prefix-key)
+ "\\|"
+ (concat "\\(" ; 3
;; If this matches there's special treatment in
;; `c-font-lock-declarators' and
;; `c-font-lock-declarations' that check for a
;; complete name followed by ":: *".
(c-lang-const c-identifier-start)
"\\)")
- "\\|"
- (c-lang-const c-type-decl-prefix-key)
"\\)"
"\\([^=]\\|$\\)")
pike "\\(\\*\\)\\([^=]\\|$\\)")
is in effect or not."
t nil
(c c++ objc pike) "\\(\\.\\.\\.\\)"
- java (concat "\\(\\[" (c-lang-const c-simple-ws) "*\\]\\)"))
+ java (concat "\\(\\[" (c-lang-const c-simple-ws) "*\\]\\|\\.\\.\\.\\)"))
(c-lang-defvar c-opt-type-suffix-key (c-lang-const c-opt-type-suffix-key))
(c-lang-defvar c-known-type-key
i.e. before \":\". Only used if `c-recognize-colon-labels' is set."
t (concat
;; Don't allow string literals.
- "[\"']\\|"
+ "\"\\|"
;; All keywords except `c-label-kwds' and `c-protection-kwds'.
(c-make-keywords-re t
(set-difference (c-lang-const c-keywords)
\f
(cc-provide 'cc-langs)
-;; arch-tag: 1ab57482-cfc2-4c5b-b628-3539c3098822
;;; cc-langs.el ends here