;;; cc-langs.el --- language specific settings for CC Mode -*- coding: utf-8 -*-
-;; Copyright (C) 1985, 1987, 1992-2014 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1987, 1992-2015 Free Software Foundation, Inc.
;; Authors: 2002- Alan Mackenzie
;; 1998- Martin Stjernholm
;; This file is not always loaded. See note above.
-;; Except it is always loaded - see bug#17463.
-;;;(cc-external-require 'cl)
-(require 'cl-lib)
+(cc-external-require 'cl)
\f
;;; Setup for the `c-lang-defvar' system.
;; These are defined in cl as aliases to the cl- versions.
;(declare-function delete-duplicates "cl-seq" (cl-seq &rest cl-keys) t)
;(declare-function mapcan "cl-extra" (cl-func cl-seq &rest cl-rest) t)
-;(declare-function cl-macroexpand-all "cl" (form &optional env))
(eval-and-compile
;; Some helper functions used when building the language constants.
(unless xlate
(setq xlate 'identity))
(c-with-syntax-table (c-lang-const c-mode-syntax-table)
- (cl-delete-duplicates
- (cl-mapcan (lambda (opgroup)
+ (delete-duplicates
+ (mapcan (lambda (opgroup)
(when (if (symbolp (car opgroup))
(when (funcall opgroup-filter (car opgroup))
(setq opgroup (cdr opgroup))
t)
t)
- (cl-mapcan (lambda (op)
+ (mapcan (lambda (op)
(when (funcall op-filter op)
(let ((res (funcall xlate op)))
(if (listp res) res (list res)))))
["Set Style..." c-set-style t]
["Show Current Style Name" (message
"Style Name: %s"
- c-indentation-style) t]
+ c-indentation-style)
+ t]
["Guess Style from this Buffer" c-guess-buffer-no-install t]
["Install the Last Guessed Style..." c-guess-install
(and c-guess-guessed-offsets-alist
:style toggle :selected c-auto-newline]
["Hungry delete" c-toggle-hungry-state
:style toggle :selected c-hungry-delete-key]
- ["Subword mode" subword-mode
- :style toggle :selected (and (boundp 'subword-mode)
- subword-mode)])))
+ ["Subword mode" c-subword-mode
+ :style toggle :selected (and (boundp 'c-subword-mode)
+ c-subword-mode)])))
\f
;;; Syntax tables.
;; lists are parsed. Note that this encourages incorrect parsing of
;; templates since they might contain normal operators that uses the
;; '<' and '>' characters. Therefore this syntax table might go
- ;; away when CC Mode handles templates correctly everywhere.
+ ;; away when CC Mode handles templates correctly everywhere. WHILE
+ ;; THIS SYNTAX TABLE IS CURRENT, `c-parse-state' MUST _NOT_ BE
+ ;; CALLED!!!
t nil
(java c++) `(lambda ()
(let ((table (funcall ,(c-lang-const c-make-mode-syntax-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
+(c-lang-defconst c-make-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
;; 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))))
+ t (if (c-lang-const c-recognize-<>-arglists)
+ `(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)))
+ (and (c-lang-const c-make-no-parens-syntax-table)
+ (funcall (c-lang-const c-make-no-parens-syntax-table))))
(c-lang-defconst c-identifier-syntax-modifications
"A list that describes the modifications that should be done to the
(c c++ objc) t)
(c-lang-defvar c-has-bitfields (c-lang-const c-has-bitfields))
+(c-lang-defconst c-modified-constant
+ "Regexp that matches a \"modified\" constant literal such as \"L'a'\",
+a \"long character\". In particular, this recognizes forms of constant
+which `c-backward-sexp' needs to be called twice to move backwards over."
+ t nil
+ (c c++ objc) "L'\\([^\\'\t\f\n\r]\\|\\\\.\\)'")
+;; FIXME!!! Extend this to cover strings, if needed. 2008-04-11
+(c-lang-defvar c-modified-constant (c-lang-const c-modified-constant))
+
(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 "_@]")
often are described as postfix operators are considered binary here,
since CC Mode treats every identifier as an expression."
- ;; There's currently no code in CC Mode that exploit all the info
+ ;; There's currently no code in CC Mode that exploits all the info
;; in this variable; precedence, associativity etc are present as a
;; preparation for future work.
+ ;; FIXME!!! C++11's "auto" operators "=" and "->" need to go in here
+ ;; somewhere. 2012-03-24.
+
t `(;; Preprocessor.
,@(when (c-lang-const c-opt-cpp-prefix)
`((prefix "#"
,@(when (c-major-mode-is 'c++-mode)
;; The following need special treatment.
`((prefix "dynamic_cast" "static_cast"
- "reinterpret_cast" "const_cast" "typeid")))
+ "reinterpret_cast" "const_cast" "typeid"
+ "alignof")))
(left-assoc "."
,@(unless (c-major-mode-is 'java-mode)
'("->")))
c++ (append '("&" "<%" "%>" "<:" ":>" "%:" "%:%:")
(c-lang-const c-other-op-syntax-tokens))
objc (append '("#" "##" ; Used by cpp.
- "+" "-") (c-lang-const c-other-op-syntax-tokens))
+ "+" "-")
+ (c-lang-const c-other-op-syntax-tokens))
idl (append '("#" "##") ; Used by cpp.
(c-lang-const c-other-op-syntax-tokens))
pike (append '("..")
(c-lang-defconst c-all-op-syntax-tokens
;; List of all tokens in the punctuation and parenthesis syntax
;; classes.
- t (cl-delete-duplicates (append (c-lang-const c-other-op-syntax-tokens)
+ t (delete-duplicates (append (c-lang-const c-other-op-syntax-tokens)
(c-lang-const c-operator-list))
:test 'string-equal))
(c-lang-defvar c-<-op-cont-regexp (c-lang-const c-<-op-cont-regexp))
+(c-lang-defconst c->-op-cont-tokens
+ ;; A list of second and subsequent characters of all multicharacter tokens
+ ;; that begin with ">".
+ t (c-filter-ops (c-lang-const c-all-op-syntax-tokens)
+ t
+ "\\`>."
+ (lambda (op) (substring op 1)))
+ java (c-filter-ops (c-lang-const c-all-op-syntax-tokens)
+ t
+ "\\`>[^>]\\|\\`>>[^>]"
+ (lambda (op) (substring op 1))))
+
(c-lang-defconst c->-op-cont-regexp
;; Regexp matching the second and subsequent characters of all
;; multicharacter tokens that begin with ">".
- t (c-make-keywords-re nil
- (c-filter-ops (c-lang-const c-all-op-syntax-tokens)
- t
- "\\`>."
- (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)))))
+ t (c-make-keywords-re nil (c-lang-const c->-op-cont-tokens)))
(c-lang-defvar c->-op-cont-regexp (c-lang-const c->-op-cont-regexp))
+(c-lang-defconst c->-op-without->-cont-regexp
+ ;; Regexp matching the second and subsequent characters of all
+ ;; multicharacter tokens that begin with ">" except for those beginning with
+ ;; ">>".
+ t (c-make-keywords-re nil
+ (set-difference
+ (c-lang-const c->-op-cont-tokens)
+ (c-filter-ops (c-lang-const c-all-op-syntax-tokens)
+ t
+ "\\`>>"
+ (lambda (op) (substring op 1)))
+ :test 'string-equal)))
+
+(c-lang-defvar c->-op-without->-cont-regexp
+ (c-lang-const c->-op-without->-cont-regexp))
+
(c-lang-defconst c-stmt-delim-chars
;; The characters that should be considered to bound statements. To
;; optimize `c-crosses-statement-barrier-p' somewhat, it's assumed to
(c-lang-defvar c-stmt-delim-chars-with-comma
(c-lang-const c-stmt-delim-chars-with-comma))
+(c-lang-defconst c-auto-ops
+ ;; Ops which signal C++11's new auto uses.
+ t nil
+ c++ '("=" "->"))
+(c-lang-defconst c-auto-ops-re
+ t (c-make-keywords-re nil (c-lang-const c-auto-ops)))
+(c-lang-defvar c-auto-ops-re (c-lang-const c-auto-ops-re))
+
+(c-lang-defconst c-haskell-op
+ ;; Op used in the new C++11 auto function definition, indicating type.
+ t nil
+ c++ '("->"))
+(c-lang-defconst c-haskell-op-re
+ t (c-make-keywords-re nil (c-lang-const c-haskell-op)))
+(c-lang-defvar c-haskell-op-re (c-lang-const c-haskell-op-re))
\f
;;; Syntactic whitespace.
(c-lang-defvar c-syntactic-eol (c-lang-const c-syntactic-eol))
\f
-;;; Defun functions
-
-;; The Emacs variables beginning-of-defun-function and
-;; end-of-defun-function will be set so that commands like
-;; `mark-defun' and `narrow-to-defun' work right. The key sequences
-;; C-M-a and C-M-e are, however, bound directly to the CC Mode
-;; functions, allowing optimization for large n.
+;;; Defun handling.
+
+;; The Emacs variables beginning-of-defun-function and end-of-defun-function
+;; will be set so that commands like `mark-defun' and `narrow-to-defun' work
+;; right. In older Emacsen, the key sequences C-M-a and C-M-e are, however,
+;; bound directly to the CC Mode functions, allowing optimization for large n.
+;; From Emacs 23, this isn't necessary any more, since n is passed to the two
+;; functions.
(c-lang-defconst beginning-of-defun-function
"Function to which beginning-of-defun-function will be set."
t 'c-beginning-of-defun
'("_Bool" "_Complex" "_Imaginary") ; Conditionally defined in C99.
(c-lang-const c-primitive-type-kwds))
c++ (append
- '("bool" "wchar_t")
+ '("bool" "wchar_t" "char16_t" "char32_t")
(c-lang-const c-primitive-type-kwds))
;; Objective-C extends C, but probably not the new stuff in C99.
objc (append
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-typeof-kwds
+ "Keywords followed by a parenthesized expression, which stands for
+the type of that expression."
+ t nil
+ c '("typeof") ; longstanding GNU C(++) extension.
+ c++ '("decltype" "typeof"))
+
+(c-lang-defconst c-typeof-key
+ ;; Adorned regexp matching `c-typeof-kwds'.
+ t (c-make-keywords-re t (c-lang-const c-typeof-kwds)))
+(c-lang-defvar c-typeof-key (c-lang-const c-typeof-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
not the type face."
t nil
c '("const" "restrict" "volatile")
- c++ '("const" "volatile" "throw")
+ c++ '("const" "constexpr" "noexcept" "volatile" "throw" "final" "override")
objc '("const" "volatile"))
(c-lang-defconst c-opt-type-modifier-key
(c-lang-defconst c-type-start-kwds
;; All keywords that can start a type (i.e. are either a type prefix
;; or a complete type).
- t (cl-delete-duplicates (append (c-lang-const c-primitive-type-kwds)
+ t (delete-duplicates (append (c-lang-const c-primitive-type-kwds)
(c-lang-const c-type-prefix-kwds)
(c-lang-const c-type-modifier-kwds))
:test 'string-equal))
t (c-make-keywords-re t (c-lang-const c-brace-list-decl-kwds)))
(c-lang-defvar c-brace-list-key (c-lang-const c-brace-list-key))
+(c-lang-defconst c-after-brace-list-decl-kwds
+ "Keywords that might follow keywords in `c-brace-list-decl-kwds'
+and precede the opening brace."
+ t nil
+ c++ '("class" "struct"))
+
+(c-lang-defconst c-after-brace-list-key
+ ;; Regexp matching keywords that can fall between a brace-list
+ ;; keyword and the associated brace list.
+ t (c-make-keywords-re t (c-lang-const c-after-brace-list-decl-kwds)))
+(c-lang-defvar c-after-brace-list-key (c-lang-const c-after-brace-list-key))
+
+(c-lang-defconst c-recognize-post-brace-list-type-p
+ "Set to t when we recognize a colon and then a type after an enum,
+e.g., enum foo : int { A, B, C };"
+ t nil
+ c++ t)
+(c-lang-defvar c-recognize-post-brace-list-type-p
+ (c-lang-const c-recognize-post-brace-list-type-p))
+
(c-lang-defconst c-other-block-decl-kwds
"Keywords where the following block (if any) contains another
declaration level that should not be considered a class. For every
;; {...}").
t (append (c-lang-const c-class-decl-kwds)
(c-lang-const c-brace-list-decl-kwds))
+ c++ (append (c-lang-const c-typeless-decl-kwds) '("auto")) ; C++11.
;; Note: "manages" for CORBA CIDL clashes with its presence on
;; `c-type-list-kwds' for IDL.
idl (append (c-lang-const c-typeless-decl-kwds)
will be handled."
t nil
(c c++) '("auto" "extern" "inline" "register" "static")
- c++ (append '("explicit" "friend" "mutable" "template" "using" "virtual")
+ c++ (append '("explicit" "friend" "mutable" "template" "thread_local"
+ "using" "virtual")
(c-lang-const c-modifier-kwds))
objc '("auto" "bycopy" "byref" "extern" "in" "inout" "oneway" "out" "static")
;; FIXME: Some of those below ought to be on `c-other-decl-kwds' instead.
;; something is a type or just some sort of macro in front of the
;; declaration. They might be ambiguous with types or type
;; prefixes.
- t (cl-delete-duplicates (append (c-lang-const c-class-decl-kwds)
+ t (delete-duplicates (append (c-lang-const c-class-decl-kwds)
(c-lang-const c-brace-list-decl-kwds)
(c-lang-const c-other-block-decl-kwds)
(c-lang-const c-typedef-decl-kwds)
t (c-make-keywords-re t
(set-difference (c-lang-const c-keywords)
(append (c-lang-const c-type-start-kwds)
- (c-lang-const c-prefix-spec-kwds))
+ (c-lang-const c-prefix-spec-kwds)
+ (c-lang-const c-typeof-kwds))
:test 'string-equal)))
(c-lang-defvar c-not-decl-init-keywords
(c-lang-const c-not-decl-init-keywords))
pike '("array" "function" "int" "mapping" "multiset" "object" "program"))
(c-lang-defconst c-paren-any-kwds
- t (cl-delete-duplicates (append (c-lang-const c-paren-nontype-kwds)
+ t (delete-duplicates (append (c-lang-const c-paren-nontype-kwds)
(c-lang-const c-paren-type-kwds))
:test 'string-equal))
(c-lang-defconst c-<>-sexp-kwds
;; All keywords that can be followed by an angle bracket sexp.
- t (cl-delete-duplicates (append (c-lang-const c-<>-type-kwds)
+ t (delete-duplicates (append (c-lang-const c-<>-type-kwds)
(c-lang-const c-<>-arglist-kwds))
:test 'string-equal))
(c-lang-defconst c-block-stmt-kwds
;; Union of `c-block-stmt-1-kwds' and `c-block-stmt-2-kwds'.
- t (cl-delete-duplicates (append (c-lang-const c-block-stmt-1-kwds)
+ t (delete-duplicates (append (c-lang-const c-block-stmt-1-kwds)
(c-lang-const c-block-stmt-2-kwds))
:test 'string-equal))
(c-lang-defconst c-constant-kwds
"Keywords for constants."
t nil
- (c c++) '("NULL" ;; Not a keyword, but practically works as one.
+ c '("NULL" ;; Not a keyword, but practically works as one.
"false" "true") ; Defined in C99.
+ c++ (append
+ '("nullptr")
+ (c-lang-const c-constant-kwds))
objc '("nil" "Nil" "YES" "NO" "NS_DURING" "NS_HANDLER" "NS_ENDHANDLER")
idl '("TRUE" "FALSE")
java '("true" "false" "null") ; technically "literals", not keywords
(c-lang-defconst c-expr-kwds
;; Keywords that can occur anywhere in expressions. Built from
;; `c-primary-expr-kwds' and all keyword operators in `c-operators'.
- t (cl-delete-duplicates
+ t (delete-duplicates
(append (c-lang-const c-primary-expr-kwds)
(c-filter-ops (c-lang-const c-operator-list)
t
(c-lang-defconst c-keywords
;; All keywords as a list.
- t (cl-delete-duplicates
+ t (delete-duplicates
(c-lang-defconst-eval-immediately
`(append ,@(mapcar (lambda (kwds-lang-const)
`(c-lang-const ,kwds-lang-const))
(c-lang-defvar c-block-prefix-charset (c-lang-const c-block-prefix-charset))
(c-lang-defconst c-type-decl-prefix-key
- "Regexp matching the declarator operators that might precede the
+ "Regexp matching any declarator operator that might precede the
identifier in a declaration, e.g. the \"*\" in \"char *argv\". This
regexp should match \"(\" if parentheses are valid in declarators.
The end of the first submatch is taken as the end of the operator.
(when (boundp (c-mode-symbol "font-lock-extra-types"))
(c-mode-var "font-lock-extra-types")))
(regexp-strings
- (apply 'nconc
- (mapcar (lambda (re)
- (when (string-match "[][.*+?^$\\]" re)
- (list re)))
- extra-types)))
+ (delq nil (mapcar (lambda (re)
+ (when (string-match "[][.*+?^$\\]" re)
+ re))
+ extra-types)))
(plain-strings
- (apply 'nconc
- (mapcar (lambda (re)
- (unless (string-match "[][.*+?^$\\]" re)
- (list re)))
- extra-types))))
+ (delq nil (mapcar (lambda (re)
+ (unless (string-match "[][.*+?^$\\]" re)
+ re))
+ extra-types))))
(concat "\\<\\("
(c-concat-separated
(append (list (c-make-keywords-re nil
expression is considered to be a type."
t (or (consp (c-lang-const c-<>-type-kwds))
(consp (c-lang-const c-<>-arglist-kwds)))
- java t)
+ java t) ; 2008-10-19. This is crude. The syntax for java
+ ; generics is not yet coded in CC Mode.
(c-lang-defvar c-recognize-<>-arglists (c-lang-const c-recognize-<>-arglists))
(c-lang-defconst c-enums-contain-decls
`(lambda ()
;; This let sets up the context for `c-mode-var' and similar
- ;; that could be in the result from `cl-macroexpand-all'.
+ ;; that could be in the result from `c--macroexpand-all'.
(let ((c-buffer-is-cc-mode ',mode)
current-var source-eval)
(c-make-emacs-variables-local)
(setq ,@(let ((c-buffer-is-cc-mode mode)
(c-lang-const-expansion 'immediate))
;; `c-lang-const' will expand to the evaluated
- ;; constant immediately in `cl-macroexpand-all'
+ ;; constant immediately in `c--macroexpand-all'
;; below.
- (cl-mapcan
+ (mapcan
(lambda (init)
`(current-var ',(car init)
- ,(car init) ,(macroexpand-all
+ ,(car init) ,(c--macroexpand-all
(elt init 1))))
;; Note: The following `append' copies the
;; first argument. That list is small, so
\f
(cc-provide 'cc-langs)
+;;; Local Variables:
+;;; indent-tabs-mode: t
+;;; tab-width: 8
+;;; End:
;;; cc-langs.el ends here