A new emacs d-mode from scratch
Charlie
charlie.fats at gmail.com
Tue Mar 6 14:17:29 PST 2007
> When Emacs 22 is
> officially release with its cc-mode 5.3x, massive numbers of niche,
> minimally-supported modes are going to break.
Yea , which apparently is right around the corner. I've got a few modes
that are probably going to break.
I'll let the php-mode guys know.
I hope nxml doesn't rely on cc-mode, then I'll be stuck with 21.
Charlie
Bill Baxter wrote:
> Charlie wrote:
>> Unfortunately the new cc-mode isn't compaitble with the existing
>> php-mode :( , `Symbol's value as variable is void: c-symbol-key`
>
> So stick with the old d-mode. And in the mean time, start bugging
> whoever maintains the php-mode to update it for cc-mode 5.30.
>
> It is rather annoying, though, that the cc-mode folks didn't come up
> with some solution for maintaining backwards compatibility, like
> side-by-side installs of both cc-mode versions. When Emacs 22 is
> officially release with its cc-mode 5.3x, massive numbers of niche,
> minimally-supported modes are going to break. And php isn't even really
> niche.
>
> --bb
>
>
>> Charlie
>>
>> Bill Baxter wrote:
>>> I made a new emacs mode.
>>> Here it is.
>>>
>>> For some reason I couldn't get it to show up properly on Wiki4D so
>>> I'm attaching it here.
>>>
>>> --bb
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> ;;; d-mode.el --- D Programming Language mode for (X)Emacs
>>> ;;; Requires a cc-mode of version 5.30 or greater
>>>
>>> ;; Author: 2007 William Baxter
>>> ;; Maintainer: William Baxter
>>> ;; Created: March 2007
>>> ;; Version: 2.0.0
>>> ;; Keywords: D programming language emacs cc-mode
>>>
>>> ;; This program is free software; you can redistribute it and/or modify
>>> ;; it under the terms of the GNU General Public License as published by
>>> ;; the Free Software Foundation; either version 2 of the License, or
>>> ;; (at your option) any later version.
>>> ;; ;; This program is distributed in the hope that it will be useful,
>>> ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
>>> ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>>> ;; GNU General Public License for more details.
>>> ;; ;; You should have received a copy of the GNU General Public License
>>> ;; along with this program; see the file COPYING. If not, write to
>>> ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
>>> ;; Boston, MA 02111-1307, USA.
>>>
>>> ;; Usage: ;; Put these lines in your .emacs startup file.
>>> ;; (autoload 'd-mode "d-mode" "Major mode for editing D code." t)
>>> ;; (add-to-list 'auto-mode-alist '("\\.d[i]?\\'" . d-mode))
>>> ;;
>>> ;; cc-mode version 5.30 or greater is required.
>>> ;; You can check your cc-mode with the command M-x c-version.
>>> ;; You can get the latest version of cc-mode at
>>> http://cc-mode.sourceforge.net
>>> ;;
>>> ;; Commentary:
>>> ;; This mode supports most of D's syntax, including nested /+ +/
>>> ;; comments and backquote `string literals`.
>>> ;; ;; This mode has been dubbed "2.0" because it is a complete
>>> rewrite
>>> ;; from scratch. The previous d-mode was based on cc-mode 5.28 or
>>> ;; so. This version is based on the cc-mode 5.30 derived mode
>>> ;; example by Martin Stjernholm, 2002.
>>> ;;
>>> ;;
>>> ;; TODO:
>>> ;; * "else static if" doesn't work properly. ;; (Incidentally
>>> "static else if" is fine, but unfortunately it's
>>> ;; not valid D syntax.)
>>> ;;
>>> ;; * I tried making "with" "version" and "extern" be their own
>>> ;; c-other-block-decl-kwds. Which is supposed to mean that you
>>> ;; can control the indentation on the block following them
>>> ;; individually. It didn't seem to work right though.
>>> ;;
>>> ;; History:
>>> ;; * 2007 March 3 - Release of 2.0.0 version
>>>
>>> ;;----------------------------------------------------------------------------
>>>
>>> ;; Code:
>>>
>>> (require 'cc-mode)
>>>
>>> ;; These are only required at compile time to get the sources for the
>>> ;; language constants. (The cc-fonts require and the font-lock
>>> ;; related constants could additionally be put inside an
>>> ;; (eval-after-load "font-lock" ...) but then some trickery is
>>> ;; necessary to get them compiled.)
>>> ;; Coment out 'when-compile part for debugging
>>> (eval-when-compile
>>> (require 'cc-langs)
>>> (require 'cc-fonts)
>>> )
>>>
>>> (eval-and-compile
>>> ;; Make our mode known to the language constant system. Use Java
>>> ;; mode as the fallback for the constants we don't change here.
>>> ;; This needs to be done also at compile time since the language
>>> ;; constants are evaluated then.
>>> (c-add-language 'd-mode 'java-mode))
>>>
>>> (c-lang-defconst c-identifier-ops
>>> ;; For recognizing "~this", ".foo", and "foo.bar.baz" as identifiers
>>> d '((prefix "~")(prefix ".")(left-assoc ".")))
>>>
>>> (c-lang-defconst c-after-id-concat-ops
>>> ;; Also for handling ~this
>>> d '("~"))
>>>
>>> (c-lang-defconst c-string-escaped-newlines
>>> ;; Set to true to indicate the D handles backslash escaped newlines
>>> in strings
>>> d t)
>>>
>>> (c-lang-defconst c-multiline-string-start-char
>>> ;; Set to true to indicate that D doesn't mind raw embedded
>>> newlines in strings
>>> d t)
>>>
>>> (c-lang-defconst c-opt-cpp-prefix
>>> ;; Preprocssor directive recognizer. D doesn't have cpp, but it
>>> has #line
>>> d "\\s *#\\s *")
>>>
>>> (c-lang-defconst c-cpp-message-directives d nil)
>>> (c-lang-defconst c-cpp-include-directives d nil)
>>> (c-lang-defconst c-opt-cpp-macro-define d nil)
>>> (c-lang-defconst c-cpp-expr-directives d nil)
>>> (c-lang-defconst c-cpp-expr-functions d nil)
>>>
>>> (c-lang-defconst c-assignment-operators
>>> ;; List of all assignment operators.
>>> d '("=" "*=" "/=" "%=" "+=" "-=" ">>=" "<<=" ">>>=" "&=" "^=" "|="
>>> "~="))
>>>
>>> (c-lang-defconst c-other-op-syntax-tokens
>>> "List of the tokens made up of characters in the punctuation or
>>> parenthesis syntax classes that have uses other than as expression
>>> operators."
>>> d (append '("/+" "+/" "..." ".." "!" "*" "&")
>>> (c-lang-const c-other-op-syntax-tokens)))
>>> (c-lang-defconst c-block-comment-starter d "/*")
>>> (c-lang-defconst c-block-comment-ender d "*/")
>>>
>>> (c-lang-defconst c-comment-start-regexp d "/[*+/]")
>>> (c-lang-defconst c-block-comment-start-regexp d "/[*+]")
>>> (c-lang-defconst c-literal-start-regexp ;; Regexp to match the start
>>> of comments and string literals.
>>> d "/[*+/]\\|\"\\|`")
>>>
>>> (c-lang-defconst c-doc-comment-start-regexp
>>> ;; doc comments for D use "///", "/**" or doxygen's "/*!" "//!"
>>> d "/\\(\\*[*!]\\|/[/!]\\)")
>>>
>>> ;;----------------------------------------------------------------------------
>>>
>>>
>>> ;; Built-in basic types
>>> (c-lang-defconst c-primitive-type-kwds
>>> d '("bit" "byte" "ubyte" "char" "delegate" "double" "float"
>>> "function" "int" "long" "ubyte" "short" "uint" "ulong" "ushort"
>>> "cent" "ucent" "real" "ireal" "ifloat" "creal" "cfloat" "cdouble"
>>> "wchar" "dchar" "void"))
>>>
>>> ;; Keywords that can prefix normal declarations of identifiers
>>> (c-lang-defconst c-modifier-kwds
>>> d '("auto" "abstract" "const" "deprecated" "extern" "final"
>>> "lazy" "private" "protected" "public"
>>> "scope" "static" "synchronized" "volatile" "mixin"))
>>>
>>> (c-lang-defconst c-class-decl-kwds
>>> ;; Keywords introducing declarations where the following block (if
>>> any)
>>> ;; contains another declaration level that should be considered a
>>> class.
>>> d '("class" "struct" "union" "interface" "template"))
>>>
>>> (c-lang-defconst c-brace-list-decl-kwds
>>> d '("enum"))
>>>
>>> (c-lang-defconst c-type-modifier-kwds
>>> d '("const" "lazy" "volatile")
>>> )
>>> (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
>>> ;; declarations. In this case, like "mixin foo!(x) bar;"
>>> d '("mixin" "align"))
>>>
>>> ;;(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.
>>> ;; ;; Each of these has associated offsets e.g. ;; ;;
>>> 'with-open', 'with-close' and 'inwith' ;; ;; that can be customized
>>> individually
>>> ;; ;; TODO: maybe also do this for 'static if' ? in/out?
>>> ;; ;; TODO: figure out how to make this work properly
>>> ;; d '("with" "version" "extern"))
>>>
>>> (c-lang-defconst c-typedef-decl-kwds
>>> d (append (c-lang-const c-typedef-decl-kwds)
>>> '("typedef" "alias")))
>>>
>>> (c-lang-defconst c-decl-hangon-kwds
>>> d '("export"))
>>>
>>> (c-lang-defconst c-protection-kwds
>>> ;; Access protection label keywords in classes.
>>> d '("export" "private" "package" "protected" "public"))
>>>
>>> ;;(c-lang-defconst c-postfix-decl-spec-kwds
>>> ;; ;Keywords introducing extra declaration specifiers in the region
>>> ;; ;between the header and the body (i.e. the "K&R-region") in
>>> ;; ;declarations.
>>> ;;; This doesn't seem to have any effect. They aren't exactly
>>> "K&R-regions".
>>> ;; d '("in" "out" "body"))
>>>
>>> (c-lang-defconst c-type-list-kwds
>>> d '("import"))
>>>
>>> (c-lang-defconst c-ref-list-kwds
>>> d '("module"))
>>>
>>> (c-lang-defconst c-colon-type-list-kwds
>>> ;; Keywords that may be followed (not necessarily directly) by a colon
>>> ;; and then a comma separated list of type identifiers.
>>> d '("class" "enum"))
>>>
>>> (c-lang-defconst c-paren-nontype-kwds
>>> ;;Keywords that may be followed by a parenthesis expression that
>>> doesn't
>>> ;; contain type identifiers.
>>> d '("version" "extern"))
>>>
>>> (c-lang-defconst c-paren-type-kwds
>>> ;; Keywords that may be followed by a parenthesis expression
>>> containing
>>> ;; type identifiers separated by arbitrary tokens.
>>> d '("throw"))
>>>
>>> (c-lang-defconst c-block-stmt-1-kwds
>>> ;; Statement keywords followed directly by a substatement.
>>> ;; 'static' is there for the "else static if (...) {}" usage.
>>> d '("do" "else" "finally" "try" "in" "out" "debug" "body"))
>>>
>>> (c-lang-defconst c-block-stmt-2-kwds
>>> ;; Statement keywords followed by a paren sexp and then by a
>>> substatement.
>>> d '("for" "if" "switch" "while" "catch" "synchronized" "scope"
>>> "foreach" "foreach_reverse" "with"))
>>>
>>> (c-lang-defconst c-simple-stmt-kwds
>>> ;; Statement keywords followed by an expression or nothing.
>>> d '("break" "continue" "goto" "return" "throw"))
>>>
>>> (c-lang-defconst c-paren-stmt-kwds
>>> ;; Statement keywords followed by a parenthesis expression that
>>> ;; nevertheless contains a list separated with ';' and not ','."
>>> d '("for" "foreach" "foreach_reverse"))
>>>
>>> (c-lang-defconst c-asm-stmt-kwds
>>> ;; Statement keywords followed by an assembler expression.
>>> d '("asm"))
>>>
>>> (c-lang-defconst c-label-kwds
>>> ;; Keywords introducing colon terminated labels in blocks.
>>> d '("case" "default"))
>>>
>>> (c-lang-defconst c-before-label-kwds
>>> ;; Keywords that might be followed by a label identifier.
>>> d '("goto" "break" "continue"))
>>>
>>> (c-lang-defconst c-constant-kwds
>>> ;; Keywords for constants.
>>> d '("null" "true" "false"))
>>>
>>> (c-lang-defconst c-primary-expr-kwds
>>> ;; Keywords besides constants and operators that start primary
>>> expressions.
>>> d '("this" "super"))
>>>
>>> (c-lang-defconst c-inexpr-class-kwds
>>> ;; Keywords that can start classes inside expressions.
>>> d nil)
>>>
>>> (c-lang-defconst c-inexpr-brace-list-kwds
>>> ;; Keywords that can start brace list blocks inside expressions.
>>> d nil)
>>>
>>> (c-lang-defconst c-other-decl-kwds
>>> d '("module" "import"))
>>>
>>> (c-lang-defconst c-other-kwds
>>> ;; Keywords not accounted for by any other `*-kwds' language constant.
>>> d '("assert"))
>>>
>>>
>>> (defcustom d-font-lock-extra-types nil
>>> "*List of extra types (aside from the type keywords) to recognize
>>> in D mode.
>>> Each list item should be a regexp matching a single identifier.")
>>>
>>> (defconst d-font-lock-keywords-1 (c-lang-const c-matchers-1 d)
>>> "Minimal highlighting for D mode.")
>>>
>>> (defconst d-font-lock-keywords-2 (c-lang-const c-matchers-2 d)
>>> "Fast normal highlighting for D mode.")
>>>
>>> (defconst d-font-lock-keywords-3 (c-lang-const c-matchers-3 d)
>>> "Accurate normal highlighting for D mode.")
>>>
>>> (defvar d-font-lock-keywords d-font-lock-keywords-3
>>> "Default expressions to highlight in D mode.")
>>>
>>> (defvar d-mode-syntax-table nil
>>> "Syntax table used in d-mode buffers.")
>>> (or d-mode-syntax-table
>>> (setq d-mode-syntax-table
>>> (let ((table (funcall (c-lang-const c-make-mode-syntax-table d))))
>>> ;; Make it recognize D `backquote strings`
>>> (modify-syntax-entry ?` "\"" table)
>>>
>>> ;; Make it recognize D's nested /+ +/ comments
>>> (modify-syntax-entry ?+ ". 23n" table)
>>> table)))
>>>
>>> (defvar d-mode-abbrev-table nil
>>> "Abbreviation table used in d-mode buffers.")
>>> (c-define-abbrev-table 'd-mode-abbrev-table
>>> ;; Use the abbrevs table to trigger indentation actions ;; on
>>> keywords that, if they occur first on a line, might alter the
>>> ;; syntactic context.
>>> ;; Syntax for abbrevs is:
>>> ;; ( pattern replacement command initial-count)
>>> '(("else" "else" c-electric-continued-statement 0)
>>> ("while" "while" c-electric-continued-statement 0)
>>> ("catch" "catch" c-electric-continued-statement 0)
>>> ("finally" "finally" c-electric-continued-statement 0)))
>>>
>>> (defvar d-mode-map ()
>>> "Keymap used in d-mode buffers.")
>>> (if d-mode-map
>>> nil
>>> (setq d-mode-map (c-make-inherited-keymap))
>>> ;; Add bindings which are only useful for D
>>> ;; (define-key d-mode-map "\C-c\C-e" 'd-cool-function)
>>> )
>>>
>>> (c-lang-defconst c-mode-menu
>>> ;; The definition for the mode menu. The menu title is prepended to
>>> ;; this before it's fed to `easy-menu-define'.
>>> t `(["Comment Out Region" comment-region
>>> (c-fn-region-is-active-p)]
>>> ["Uncomment Region" (comment-region (region-beginning)
>>> (region-end) '(4))
>>> (c-fn-region-is-active-p)]
>>> ["Indent Expression" c-indent-exp
>>> (memq (char-after) '(?\( ?\[ ?\{))]
>>> ["Indent Line or Region" c-indent-line-or-region t]
>>> ["Fill Comment Paragraph" c-fill-paragraph t]
>>> "----"
>>> ["Backward Statement" c-beginning-of-statement t]
>>> ["Forward Statement" c-end-of-statement t]
>>> "----"
>>> ("Toggle..."
>>> ["Syntactic indentation" c-toggle-syntactic-indentation
>>> :style toggle :selected c-syntactic-indentation]
>>> ["Electric mode" c-toggle-electric-state
>>> :style toggle :selected c-electric-flag]
>>> ["Auto newline" c-toggle-auto-newline
>>> :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)])))
>>>
>>> (easy-menu-define d-menu d-mode-map "D Mode Commands"
>>> (cons "D" (c-lang-const c-mode-menu d)))
>>>
>>> ;;----------------------------------------------------------------------------
>>>
>>> ;;;###autoload (add-to-list 'auto-mode-alist '("\\.d[i]?\\'" . d-mode))
>>>
>>> ;;;###autoload
>>> (defun d-mode ()
>>> "Major mode for editing code written in the D Programming Language.
>>> See http://www.digitalmars.com/d for more information about the D
>>> language.
>>> The hook `c-mode-common-hook' is run with no args at mode
>>> initialization, then `d-mode-hook'.
>>>
>>> Key bindings:
>>> \\{d-mode-map}"
>>> (interactive)
>>> (kill-all-local-variables)
>>> (c-initialize-cc-mode t)
>>> (set-syntax-table d-mode-syntax-table)
>>> (setq major-mode 'd-mode
>>> mode-name "D"
>>> local-abbrev-table d-mode-abbrev-table
>>> abbrev-mode t)
>>> (use-local-map d-mode-map)
>>> (c-init-language-vars d-mode)
>>> (c-common-init 'd-mode)
>>> (easy-menu-add d-menu)
>>> (c-run-mode-hooks 'c-mode-common-hook 'd-mode-hook)
>>> (c-update-modeline))
>>>
>>>
>>> (provide 'd-mode)
>>>
>>> ;;; d-mode.el ends here
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