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;;; csharp-mode.el --- C# mode derived mode
;; Author : Dylan R. E. Moonfire (original)
;; Maintainer : Jostein Kjønigsen <jostein@gmail.com>
;; Created : Feburary 2005
;; Modified : 2018
;; Version : 0.9.2
;; Package-Version: 20190717.1024
;; Keywords : c# languages oop mode
;; X-URL : https://github.com/josteink/csharp-mode
;; Last-saved : 2018-Jul-08
;;
;; 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.
;;; Commentary:
;;
;; This is a major mode for editing C# code. It performs automatic
;; indentation of C# syntax; font locking; and integration with
;; imenu.el.
;;
;; csharp-mode requires CC Mode 5.30 or later. It works with
;; cc-mode 5.31.3, which is current at this time.
;;
;; Features:
;;
;; - font-lock and indent of C# syntax including:
;; all c# keywords and major syntax
;; attributes that decorate methods, classes, fields, properties
;; enum types
;; #if/#endif #region/#endregion
;; instance initializers
;; anonymous functions and methods
;; verbatim literal strings (those that begin with @)
;; generics
;;
;; - automagic code-doc generation when you type three slashes.
;;
;; - compatible with electric-pair-mode for intelligent insertion
;; of matched braces, quotes, etc.
;;
;; - imenu integration - generates an index of namespaces, classes,
;; interfaces, methods, and properties for easy navigation within
;; the buffer.
;;
;; Installation instructions
;; --------------------------------
;;
;; Put csharp-mode.el somewhere in your load path, optionally byte-compile
;; it, and add the following to your .emacs file:
;;
;; (autoload 'csharp-mode "csharp-mode" "Major mode for editing C# code." t)
;; (setq auto-mode-alist
;; (append '(("\\.cs$" . csharp-mode)) auto-mode-alist))
;;
;;
;; Optionally, define and register a mode-hook function. To do so, use
;; something like this in your .emacs file:
;;
;; (defun my-csharp-mode-fn ()
;; "function that runs when csharp-mode is initialized for a buffer."
;; (turn-on-auto-revert-mode)
;; (setq indent-tabs-mode nil)
;; ...insert more code here...
;; ...including any custom key bindings you might want ...
;; )
;; (add-hook 'csharp-mode-hook 'my-csharp-mode-fn t)
;;
;;
;; General
;; ----------------------------
;;
;; Mostly C# mode will "just work." Use `describe-mode' to see the
;; default keybindings and the highlights of the mode.
;;
;;
;; imenu integration
;; -----------------------------
;;
;; This should just work. For those who don't know what imenu is, it
;; allows navigation to different points within the file from an
;; "Index" menu, in the window's menubar. csharp-mode computes the
;; menu containing the namespaces, classes, methods, and so on, in the
;; buffer. This happens at the time the file is loaded; for large
;; files it takes a bit of time to complete the scan. If you don't
;; want this capability, set `csharp-want-imenu' to nil.
;;
;;
;;; Known Bugs:
;;
;; The imenu scan is text-based and naive. For example, if you
;; intersperse comments between the name of a class/method/namespace,
;; and the curly brace, the scan will not recognize the thing being
;; declared. This is fixable - would need to extract the buffer
;; substring then remove comments before doing the regexp checks - but
;; it would make the scan much slower. Also, the scan doesn't deal
;; with preproc symbol definitions and #if/#else. Those things are
;; invisible to the scanner csharp-mode uses to build the imenu menu.
;;
;; Leading identifiers are no longer being fontified, for some reason.
;; See matchers-before. (Not sure this is still a problem - 19 may
;; 2011 DPC)
;;
;; Method names with a preceding attribute are not fontified.
;;
;; The symbol followng #if is not fontified. It should be treated like
;; define and get font-lock-variable-name-face .
;;
;; This code doesn't seem to work when you compile it, then
;; load/require in the emacs file. You will get an error (error
;; "`c-lang-defconst' must be used in a file") which happens because
;; cc-mode doesn't think it is in a buffer while loading directly
;; from the init. However, if you call it based on a file extension,
;; it works properly. Interestingly enough, this doesn't happen if
;; you don't byte-compile cc-mode.
;;
;;
;;
;; Todo:
;;
;; imenu should scan for and find delegates and events, in addition
;; to the classes, structs, properties and methods it does currently.
;;
;; Get csharp-mode.el accepted as part of the emacs standard distribution.
;; Must contact monnier at iro.umontreal.ca to make this happen.
;;
;; Add refactoring capabilities?
;; - extract as method - extract a block of code into a method
;; - extract as Func<> - extract a block of code into an Action<T>
;;
;; More code-gen power:
;; - interface implementation - I think would require csharp-shell
;;
;;
;; Acknowledgements:
;;
;; Thanks to Alan Mackenzie and Stefan Monnier for answering questions
;; and making suggestions. And to Trey Jackson for sharing his
;; knowledge of emacs lisp.
;;
;;
;;; Versions:
;;
;; 0.1.0 - Initial release.
;; 0.2.0 - Fixed the identification on the "enum" keyword.
;; - Fixed the font-lock on the "base" keyword
;; 0.3.0 - Added a regex to fontify attributes. It isn't the
;; the best method, but it handles single-like attributes
;; well.
;; - Got "super" not to fontify as a keyword.
;; - Got extending classes and interfaces to fontify as something.
;; 0.4.0 - Removed the attribute matching because it broke more than
;; it fixed.
;; - Corrected a bug with namespace not being properly identified
;; and treating the class level as an inner object, which screwed
;; up formatting.
;; - Added "partial" to the keywords.
;; 0.5.0 - Found bugs with compiled cc-mode and loading from init files.
;; - Updated the eval-when-compile to code to let the mode be
;; compiled.
;; 0.6.0 - Added the c-filter-ops patch for 5.31.1 which made that
;; function in cc-langs.el unavailable.
;; - Added a csharp-lineup-region for indention #region and
;; #endregion block differently.
;; 0.7.0 - Added autoload so update-directory-autoloads works
;; (Thank you, Nikolaj Schumacher)
;; - Fontified the entire #region and #endregion lines.
;; - Initial work to get get, set, add, remove font-locked.
;; 0.7.1 - Added option to indent #if/endif with code
;; - Fixed c-opt-cpp-prefix defn (it must not include the BOL
;; char (^).
;; - proper fontification and indent of classes that inherit
;; (previously the colon was confusing the parser)
;; - reclassified namespace as a block beginner
;; - removed $ as a legal symbol char - not legal in C#.
;; - added struct to c-class-decl-kwds so indent is correct
;; within a struct.
;; 0.7.2 - Added automatic codedoc insertion.
;; 0.7.3 - Instance initializers (new Type { ... } ) and
;; (new Type() { ...} ) are now indented properly.
;; - proper fontification and indent of enums as brace-list-*,
;; including special treatment for enums that explicitly
;; inherit from an int type. Previously the colon was
;; confusing the parser.
;; - proper fontification of verbatim literal strings,
;; including those that end in slash. This edge case was not
;; handled at all before; it is now handled correctly.
;; - code cleanup and organization; removed the formfeed.
;; - intelligent curly-brace insertion with
;; `csharp-insert-open-brace'
;; 0.7.4 - added a C# style
;; - using is now a keyword and gets fontified correctly
;; - fixed a bug that had crept into the codedoc insertion.
;; 0.7.5 - now fontify namespaces in the using statements. This is
;; done in the csharp value for c-basic-matchers-before .
;; - also fontify the name following namespace decl.
;; This is done in the csharp value for c-basic-matchers-after .
;; - turn on recognition of generic types. They are now
;; fontified correctly.
;; - <> are now treated as syntactic parens and can be jumped
;; over with c-forward-sexp.
;; - Constructors are now fontified.
;; - Field/Prop names inside object initializers are now fontified.
;;
;; 0.7.7 - relocate running c-run-mode-hooks to the end of
;; csharp-mode, to allow user to modify key bindings in a
;; hook if he doesn't like the defaults.
;;
;; 0.7.8 - redefine csharp-log to insert timestamp.
;; - Fix byte-compile errors on emacs 23.2 ? Why was
;; c-filter-ops duplicated here? What was the purpose of its
;; presence here, I am not clear.
;;
;; 0.8.0 - include flymake magic into this module.
;; - include yasnippet integration
;;
;; 0.8.2 2011 April DPC
;; - small tweaks; now set a one-time bool for flymake installation
;; - some doc updates on flymake
;;
;; 0.8.3 2011 May 17 DPC
;; - better help on csharp-mode
;; - csharp-move-* functions for manual navigation.
;; - imenu integration for menu-driven navigation - navigate to
;; named methods, classes, etc.
;; - adjusted the flymake regexp to handle output from fxcopcmd,
;; and extended the help to provide examples how to use this.
;;
;; 0.8.4 DPC 2011 May 18
;; - fix a basic bug in the `csharp-yasnippet-fixup' fn.
;;
;; 0.8.5 DPC 2011 May 21
;; - imenu: correctly parse Properties that are part of an
;; explicitly specified interface. Probably need to do this
;; for methods, too.
;; - fontify the optional alias before namespace in a using (import).
;; - Tweak open-curly magic insertion for object initializers.
;; - better fontification of variables and references
;; - "sealed" is now fontified as a keyword
;; - imenu: correctly index ctors that call this or base.
;; - imenu: correctly index Extension methods (this System.Enum e)
;; - imenu: correctly scan method params tagged with out, ref, params
;; - imenu scan: now handle curlies within strings.
;; - imenu: split menus now have better labels, are sorted correctly.
;;
;; 0.8.6 DPC 2011 May ??
;; - extern keyword
;;
;; 0.8.7 2014 November 29
;; - Fix broken cl-dependency in emacs24.4 and defadvice for tooltips.
;;
;; 0.8.8 2014 December 3
;; - Fix broken byte-compile.
;; - Add extra C# keywords.
;; - Call prog-mode hooks.
;;
;; 0.8.9 2015 March 15
;; - (Re)add compilation-mode support for msbuild and xbuild.
;;
;; 0.8.10 2015 May 31th
;; - Imenu: Correctly handle support for default-values in paramlist.
;;
;; 0.8.11 2015 November 21st
;; - Make mode a derived mode. Improve evil-support.
;; - Add support for devenv compilation-output.
;; - Fix all runtime warnings
;; - Fix error with string-values in #region directives.
;;
;; 0.8.12 2016 January 6th
;; - Various fixes and improvements for imenu indexing.
;;
;; 0.9.0 2016 September 9th
;; - Fix issues with compilation-mode and lines with arrays.
;; - Fontification of compiler directives.
;; - Much faster, completely rewritten imenu-implementation.
;; - Fix indentation issues.
;; - Fix Emacs-25 related bugs.
;; - Cleaned up dead code.
;;
;; 0.9.1 2017
;; - Fix indentation for generic type-initializers.
;; - Fix fontification of using and namespace-statements with
;; underscores in them.
;; - Fixes for indentation for many kinds of type-initializers.
;;
;; 0.9.2 2018 July
;; - Try to fix some breakage introduced by changes in Emacs 27.
;;
;;; Code:
(require 'cc-mode)
(require 'cc-fonts)
(require 'cl-lib)
;; prevent warnings like
;; csharp-mode.el:4134:21:Warning: reference to free variable
;; `compilation-error-regexp-alist-alist'
(require 'compile)
;; Work around emacs bug#23053
(eval-when-compile
(require 'cc-langs))
;; Work around emacs bug#18845
(eval-when-compile
(when (and (= emacs-major-version 24) (>= emacs-minor-version 4))
(require 'cl)))
(require 'imenu)
;; ==================================================================
;; c# upfront stuff
;; ==================================================================
;; This is a copy of the function in cc-mode which is used to handle the
;; eval-when-compile which is needed during other times.
;;
;; NB: I think this is needed to satisfy requirements when this module
;; calls `c-lang-defconst'. (DPC)
;; (defun c-filter-ops (ops opgroup-filter op-filter &optional xlate)
;; ;; See cc-langs.el, a direct copy.
;; (unless (listp (car-safe ops))
;; (setq ops (list ops)))
;; (cond ((eq opgroup-filter t)
;; (setq opgroup-filter (lambda (opgroup) t)))
;; ((not (functionp opgroup-filter))
;; (setq opgroup-filter `(lambda (opgroup)
;; (memq opgroup ',opgroup-filter)))))
;; (cond ((eq op-filter t)
;; (setq op-filter (lambda (op) t)))
;; ((stringp op-filter)
;; (setq op-filter `(lambda (op)
;; (string-match ,op-filter op)))))
;; (unless xlate
;; (setq xlate 'identity))
;; (c-with-syntax-table (c-lang-const c-mode-syntax-table)
;; (delete-duplicates
;; (mapcan (lambda (opgroup)
;; (when (if (symbolp (car opgroup))
;; (when (funcall opgroup-filter (car opgroup))
;; (setq opgroup (cdr opgroup))
;; t)
;; t)
;; (mapcan (lambda (op)
;; (when (funcall op-filter op)
;; (let ((res (funcall xlate op)))
;; (if (listp res) res (list res)))))
;; opgroup)))
;; ops)
;; :test 'equal)))
(defgroup csharp nil
"Major mode for editing C# code."
:group 'prog-mode)
;; Custom variables
;; ensure all are defined before using ...;
(defcustom csharp-mode-hook nil
"*Hook called by `csharp-mode'."
:type 'hook
:group 'csharp)
;; The following fn allows this:
;; (csharp-log 3 "scan result...'%s'" state)
(defcustom csharp-log-level 0
"The current log level for CSharp-mode-specific operations.
This is used in particular by the verbatim-literal
string scanning.
Most other csharp functions are not instrumented.
0 = NONE, 1 = Info, 2 = VERBOSE, 3 = DEBUG, 4 = SHUTUP ALREADY."
:type 'integer
:group 'csharp)
(defcustom csharp-want-imenu t
"*Whether to generate a buffer index via imenu for C# buffers."
:type 'boolean :group 'csharp)
;; These are only required at compile time to get the sources for the
;; language constants. (The load of cc-fonts 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.)
(eval-when-compile
(let ((load-path
(if (and (boundp 'byte-compile-dest-file)
(stringp byte-compile-dest-file))
(cons (file-name-directory byte-compile-dest-file) load-path)
load-path)))
(load "cc-mode" nil t)
(load "cc-fonts" nil t)
(load "cc-langs" nil t)))
(eval-and-compile
;; ==================================================================
;; constants used in this module
;; ==================================================================
(defconst csharp-type-initializer-statement-re
(concat
"\\<new[ \t\n\r\f\v]+"
"\\([[:alpha:]_][[:alnum:]_<>\\.]*\\)")
"Regexp that captures a type-initializer statement in C#")
(defconst csharp-enum-decl-re
(concat
"\\<enum[ \t\n\r\f\v]+"
"\\([[:alpha:]_][[:alnum:]_]*\\)"
"[ \t\n\r\f\v]*"
"\\(:[ \t\n\r\f\v]*"
"\\("
(c-make-keywords-re nil
(list "sbyte" "byte" "short" "ushort" "int" "uint" "long" "ulong"))
"\\)"
"\\)?")
"Regex that captures an enum declaration in C#")
;; ==================================================================
;; 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 'csharp-mode 'java-mode))
;; ==================================================================
;; end of c# upfront stuff
;; ==================================================================
;; ==================================================================
;; csharp-mode utility and feature defuns
;; ==================================================================
(defun csharp--at-vsemi-p (&optional pos)
"Determines if there is a virtual semicolon at POS or point.
It returns t if at a position where a virtual-semicolon is.
Otherwise nil.
This is the C# version of the function. It gets set into
the variable `c-at-vsemi-p-fn'.
A vsemi is a cc-mode concept implying the end of a statement,
where no actual end-of-statement signifier character ( semicolon,
close-brace) appears. The concept is used to allow proper
indenting of blocks of code: Where a vsemi appears, the following
line will not indent further.
A vsemi appears in 2 cases in C#:
- after an attribute that decorates a class, method, field, or
property.
- in an object initializer, before the open-curly?
An example of the former is [WebMethod] or [XmlElement].
Providing this function allows the indenting in `csharp-mode'
to work properly with code that includes attributes."
(save-excursion
(let ((pos-or-point (progn (if pos (goto-char pos)) (point))))
(cond
;; before open curly in object initializer. new Foo* { }
((and (looking-back
(concat "\\<new[ \t\n\f\v\r]+"
;; typename
"\\(?:[A-Za-z_][[:alnum:]]*\\.\\)*"
"[A-Za-z_][[:alnum:]]*"
;; simplified generic constraint.
;; handles generic sub-types.
;; { is optional because otherwise initializers with
;; bracket on same line will indent wrongly.
"\\(?:<[[:alnum:], <>]+>[ \t\n\f\v\r]*{?\\)?"
;; optional array-specifier
"\\(?:\\[\\]\\)?"
;; spacing
"[\ t\n\f\v\r]*") nil)
(looking-at "[ \t\n\f\v\r]*{"))
t)
;; put a vsemi after an attribute, as with
;; [XmlElement]
;; Except when the attribute is used within a line of code, as
;; specifying something for a parameter.
((c-safe (backward-sexp) t)
(cond
((re-search-forward
(concat
"\\(\\["
"[ \t\n\r\f\v]*"
"\\("
"\\(?:[A-Za-z_][[:alnum:]]*\\.\\)*"
"[A-Za-z_][[:alnum:]]*"
"\\)"
"[^]]*\\]\\)"
)
(1+ pos-or-point) t)
(c-safe (backward-sexp))
(c-backward-syntactic-ws)
(cond
((eq (char-before) 93) ;; close sq brace (a previous attribute)
(csharp--at-vsemi-p (point))) ;; recurse
((or
(eq (char-before) 59) ;; semicolon
(eq (char-before) 123) ;; open curly
(eq (char-before) 125)) ;; close curly
t)
;; attr is used within a line of code
(t nil)))
(t nil)))
(t nil))
)))
;; ==================================================================
;; end of csharp-mode utility and feature defuns
;; ==================================================================
;; ==================================================================
;; c# values for "language constants" defined in cc-langs.el
;; ==================================================================
(c-lang-defconst c-at-vsemi-p-fn
csharp 'csharp--at-vsemi-p)
;; This c-opt-after-id-concat-key is a regexp that matches
;; dot. In other words: "\\(\\.\\)"
;; Not sure why this needs to be so complicated.
;; This const is now internal (obsolete); need to move to
;; c-after-id-concat-ops. I don't yet understand the meaning
;; of that variable, so for now. . . .
;; (c-lang-defconst c-opt-after-id-concat-key
;; csharp (if (c-lang-const c-opt-identifier-concat-key)
;; (c-lang-const c-symbol-start)))
(c-lang-defconst c-opt-after-id-concat-key
csharp "[[:alpha:]_]" )
;; The matchers elements can be of many forms. It gets pretty
;; complicated. Do a describe-variable on font-lock-keywords to get a
;; description. (Why on font-lock-keywords? I don't know, but that's
;; where you get the help.)
;;
;; Aside from the provided documentation, the other option of course, is
;; to look in the source code as an example for what to do. The source
;; in cc-fonts uses a defun c-make-font-lock-search-function to produce
;; most of the matchers. Called this way:
;;
;; (c-make-font-lock-search-function regexp '(A B c))
;;
;; The REGEXP is used in re-search-forward, and if there's a match, then
;; A is called within a save-match-data. If B and C are non-nil, they
;; are called as pre and post blocks, respecitvely.
;;
;; Anyway the c-make-font-lock-search-function works for a single regex,
;; but more complicated scenarios such as those intended to match and
;; fontify object initializers, call for a hand-crafted lambda.
;;
;; The object initializer is special because matching on it must
;; allow nesting.
;;
;; In c#, the object initializer block is used directly after a
;; constructor, like this:
;;
;; new MyType
;; {
;; Prop1 = "foo"
;; }
;;
;; csharp-mode needs to fontify the properties in the
;; initializer block in font-lock-variable-name-face. The key thing is
;; to set the text property on the open curly, using type c-type and
;; value c-decl-id-start. This apparently allows `parse-partial-sexp' to
;; do the right thing, later.
;;
;; This simple case is easy to handle in a regex, using the basic
;; `c-make-font-lock-search-function' form. But the general syntax for a
;; constructor + object initializer in C# is more complex:
;;
;; new MyType(..arglist..) {
;; Prop1 = "foo"
;; }
;;
;; A simple regex match won't satisfy here, because the ..arglist.. can
;; be anything, including calls to other constructors, potentially with
;; object initializer blocks. This may nest arbitrarily deeply, and the
;; regex in emacs doesn't support balanced matching. Therefore there's
;; no way to match on the "outside" pair of parens, to find the relevant
;; open curly. What's necessary is to do the match on "new MyType" then
;; skip over the sexp defined by the parens, then set the text property on
;; the appropriate open-curly.
;;
;; To make that happen, it's good to have insight into what the matcher
;; really does. The output of `c-make-font-lock-search-function' before
;; byte-compiling, is:
;;
;; (lambda (limit)
;; (let ((parse-sexp-lookup-properties
;; (cc-eval-when-compile
;; (boundp 'parse-sexp-lookup-properties))))
;; (while (re-search-forward REGEX limit t)
;; (unless
;; (progn
;; (goto-char (match-beginning 0))
;; (c-skip-comments-and-strings limit))
;; (goto-char (match-end 0))
;; (progn
;; B
;; (save-match-data A)
;; C ))))
;; nil)
;;
;; csharp-mode uses this hand-crafted form of a matcher to handle the
;; general case for constructor + object initializer, within
;; `c-basic-matchers-after' .
;;
;; (defun c-make-font-lock-search-function (regexp &rest highlights)
;; ;; This function makes a byte compiled function that 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 real search limit to the anchored
;; ;; matcher(s), since most (if not all) font-lock implementations
;; ;; arbitrarily limits anchored matchers to the same line, and also
;; ;; to insulate against various other irritating differences between
;; ;; the different (X)Emacs font-lock packages.
;; ;;
;; ;; REGEXP is the matcher, which must be a regexp. Only matches
;; ;; where the beginning is outside any comment or string literal are
;; ;; significant.
;; ;;
;; ;; HIGHLIGHTS is a list of highlight specs, just like in
;; ;; `font-lock-keywords', with these limitations: The face is always
;; ;; overridden (no big disadvantage, since hits in comments etc are
;; ;; filtered anyway), there is no "laxmatch", and an anchored matcher
;; ;; is always a form which must do all the fontification directly.
;; ;; `limit' is a variable bound to the real limit in the context of
;; ;; the anchored matcher forms.
;; ;;
;; ;; 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 easier.
;; (byte-compile
;; `(lambda (limit)
;; (let (;; The font-lock package in Emacs is known to clobber
;; ;; `parse-sexp-lookup-properties' (when it exists).
;; (parse-sexp-lookup-properties
;; (cc-eval-when-compile
;; (boundp 'parse-sexp-lookup-properties))))
;; (while (re-search-forward ,regexp limit t)
;; (unless (progn
;; (goto-char (match-beginning 0))
;; (c-skip-comments-and-strings limit))
;; (goto-char (match-end 0))
;; ,@(mapcar
;; (lambda (highlight)
;; (if (integerp (car highlight))
;; (progn
;; (unless (eq (nth 2 highlight) t)
;; (error
;; "The override flag must currently be t in %s"
;; highlight))
;; (when (nth 3 highlight)
;; (error
;; "The laxmatch flag may currently not be set in %s"
;; highlight))
;; `(save-match-data
;; (c-put-font-lock-face
;; (match-beginning ,(car highlight))
;; (match-end ,(car highlight))
;; ,(elt highlight 1))))
;; (when (nth 3 highlight)
;; (error "Match highlights currently not supported in %s"
;; highlight))
;; `(progn
;; ,(nth 1 highlight)
;; (save-match-data ,(car highlight))
;; ,(nth 2 highlight))))
;; highlights))))
;; nil))
;; )
(c-lang-defconst c-basic-matchers-before
csharp `(
;;;; Font-lock the attributes by searching for the
;;;; appropriate regex and marking it as TODO.
;;,`(,(concat "\\(" csharp-attribute-regex "\\)")
;; 0 font-lock-function-name-face)
;; Put a warning face on the opener of unclosed strings that
;; can't span lines. Later font
;; lock packages have a `font-lock-syntactic-face-function' for
;; this, but it doesn't give the control we want since any
;; fontification done inside the function will be
;; unconditionally overridden.
,(c-make-font-lock-search-function
;; Match a char before the string starter to make
;; `c-skip-comments-and-strings' work correctly.
(concat ".\\(" c-string-limit-regexp "\\)")
'((if (fboundp 'c-font-lock-invalid-string)
(c-font-lock-invalid-string)
(csharp-mode-font-lock-invalid-string))))
;; Fontify keyword constants.
,@(when (c-lang-const c-constant-kwds)
(let ((re (c-make-keywords-re nil
(c-lang-const c-constant-kwds))))
`((eval . (list ,(concat "\\<\\(" re "\\)\\>")
1 c-constant-face-name)))))
;; Fontify the namespaces that follow using statements.
;; This regex handles the optional alias, as well.
,`(,(concat
"\\<\\(using\\)[ \t\n\f\v\r]+"
"\\(?:"
"\\([A-Za-z0-9_]+\\)"
"[ \t\n\f\v\r]*="
"[ \t\n\f\v\r]*"
"\\)?"
"\\(\\(?:[A-Za-z0-9_]+\\.\\)*[A-Za-z0-9_]+\\)"
"[ \t\n\f\v\r]*;")
(2 font-lock-constant-face t t)
(3 font-lock-constant-face))
;; Fontify all keywords except the primitive types.
,`(,(concat "\\<" (c-lang-const c-regular-keywords-regexp))
1 font-lock-keyword-face)
))
(c-lang-defconst c-basic-matchers-after
csharp `(
;; option 1:
;; ,@(when condition
;; `((,(byte-compile
;; `(lambda (limit) ...
;;
;; option 2:
;; ,`((lambda (limit) ...
;;
;; I don't know how to avoid the (when condition ...) in the
;; byte-compiled version.
;;
;; X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+X+
;; Case 1: invocation of constructor + maybe an object
;; initializer. Some possible examples that satisfy:
;;
;; new Foo ();
;;
;; new Foo () { };
;;
;; new Foo { };
;;
;; new Foo { Prop1= 7 };
;;
;; new Foo {
;; Prop1= 7
;; };
;;
;; new Foo {
;; Prop1= 7,
;; Prop2= "Fred"
;; };
;;
;; new Foo {
;; Prop1= new Bar()
;; };
;;
;; new Foo {
;; Prop1= new Bar { PropA = 5.6F }
;; };
;;
,@(when t
`((,(byte-compile
`(lambda (limit)
(let ((parse-sexp-lookup-properties
(cc-eval-when-compile
(boundp 'parse-sexp-lookup-properties))))
(while (re-search-forward
,(concat "\\<new"
"[ \t\n\r\f\v]+"
"\\(\\(?:"
(c-lang-const c-symbol-key)
"\\.\\)*"
(c-lang-const c-symbol-key)
"\\)"
)
limit t)
(unless
(progn
(goto-char (match-beginning 0))
(c-skip-comments-and-strings limit))
(csharp-log 3 "ctor invoke? at %d" (match-beginning 1))
(save-match-data
;; next thing could be: [] () <> or {} or nothing (semicolon, comma).
;; fontify the typename
(c-put-font-lock-face (match-beginning 1)
(match-end 1)
'font-lock-type-face)
(goto-char (match-end 0))
(c-forward-syntactic-ws limit)
(if (eq (char-after) ?<) ;; ctor for generic type
(progn
(csharp-log 3 " - this is a generic type")
;; skip over <> safely
(c-safe (c-forward-sexp 1) t)
(c-forward-syntactic-ws)))
;; now, could be [] or (..) or {..} or semicolon.
(csharp-log 3 " - looking for sexp")
(if (or
(eq (char-after) ?{) ;; open curly
;; is square parenthesis block? - start
(let* ((start (point)) ;; used to hold our position, so that we know that
(end)) ;; our code isn't stuck trying to look for a non-existant sexp.
(and (eq (char-after) 91) ;; open square
(while (and (eq (char-after) 91)
(not (eq start end)))
(c-safe (c-forward-sexp 1))
(setq end (point)))
(eq (char-before) 93)))
;; is square parenthesis block? - end
(and (eq (char-after) 40) ;; open paren
(c-safe (c-forward-sexp 1) t)))
(progn
;; at this point we've jumped over any intervening s-exp,
;; like sq brackets or parens.
(c-forward-syntactic-ws)
(csharp-log 3 " - after fwd-syn-ws point(%d)" (point))
(csharp-log 3 " - next char: %c" (char-after))
(if (eq (char-after) ?{)
(let ((start (point))
(end (if (c-safe (c-forward-sexp 1) t)
(point) 0)))
(csharp-log 3 " - open curly gets c-decl-id-start %d" start)
(c-put-char-property start
'c-type
'c-decl-id-start)
(goto-char start)
(if (> end start)
(progn
(forward-char 1) ;; step over open curly
(c-forward-syntactic-ws)
(while (> end (point))
;; now, try to fontify/assign variables to any properties inside the curlies
(csharp-log 3 " - inside open curly point(%d)" (point))
(csharp-log 3 " - next char: %c" (char-after))
;; fontify each property assignment
(if (re-search-forward
(concat "\\(" (c-lang-const c-symbol-key) "\\)\\s*=")
end t)
(progn
(csharp-log 3 " - found variable %d-%d"
(match-beginning 1)
(match-end 1))
(c-put-font-lock-face (match-beginning 1)
(match-end 1)
'font-lock-variable-name-face)
(goto-char (match-end 0))
(c-forward-syntactic-ws)
;; advance to the next assignment, if possible
(if (eq (char-after) ?@)
(forward-char 1))
(if (c-safe (c-forward-sexp 1) t)
(progn
(forward-char 1)
(c-forward-syntactic-ws))))
;; else
(csharp-log 3 " - no more assgnmts found")
(goto-char end)))))
)))))
(goto-char (match-end 0))
)))
nil))
)))
;; Case 2: declaration of enum with or without an explicit
;; base type.
;;
;; Examples:
;;
;; public enum Foo { ... }
;;
;; public enum Foo : uint { ... }
;;
,@(when t
`((,(byte-compile
`(lambda (limit)
(let ((parse-sexp-lookup-properties
(cc-eval-when-compile
(boundp 'parse-sexp-lookup-properties))))
(while (re-search-forward
,(concat csharp-enum-decl-re
"[ \t\n\r\f\v]*"
"{")
limit t)
(csharp-log 3 "enum? at %d" (match-beginning 0))
(unless
(progn
(goto-char (match-beginning 0))
(c-skip-comments-and-strings limit))
(progn
(save-match-data
(goto-char (match-end 0))
(c-put-char-property (1- (point))
'c-type
'c-decl-id-start)
(c-forward-syntactic-ws))
(save-match-data
(with-no-warnings
(condition-case nil
(c-font-lock-declarators limit t nil)
(wrong-number-of-arguments
(c-font-lock-declarators limit t nil nil)))))
(goto-char (match-end 0))
)
)))
nil))
)))
;; Case 4: using clause. Without this, using (..) gets fontified as a fn.
,@(when t
`((,(byte-compile
`(lambda (limit)
(let ((parse-sexp-lookup-properties
(cc-eval-when-compile
(boundp 'parse-sexp-lookup-properties))))
(while (re-search-forward
,(concat "\\<\\(using\\)"
"[ \t\n\r\f\v]*"
"(")
limit t)
(csharp-log 3 "using clause p(%d)" (match-beginning 0))
(unless
(progn
(goto-char (match-beginning 0))
(c-skip-comments-and-strings limit))
(save-match-data
(c-put-font-lock-face (match-beginning 1)
(match-end 1)
'font-lock-keyword-face)
(goto-char (match-end 0))))))
nil))
)))
;; Case 5: attributes
,`((lambda (limit)
(let ((parse-sexp-lookup-properties
(cc-eval-when-compile
(boundp 'parse-sexp-lookup-properties))))
(while (re-search-forward
,(concat "[ \t\n\r\f\v]+"
"\\(\\["
"[ \t\n\r\f\v]*"
"\\(?:\\(?:return\\|assembly\\)[ \t]*:[ \t]*\\)?"
"\\("
"\\(?:[A-Za-z_][[:alnum:]]*\\.\\)*"
"[A-Za-z_][[:alnum:]]*"
"\\)"
"[^]]*\\]\\)"
)
limit t)
(csharp-log 3 "attribute? - %d limit(%d)" (match-beginning 1)
limit)
(unless
(progn
(goto-char (match-beginning 1))
(c-skip-comments-and-strings limit))
(let ((b2 (match-beginning 2))
(e2 (match-end 2))
(is-attr nil))
(csharp-log 3 " - type match: %d - %d"
b2 e2)
(save-match-data
(c-backward-syntactic-ws)
(setq is-attr (or
(eq (char-before) 59) ;; semicolon
(eq (char-before) 93) ;; close square brace
(eq (char-before) 123) ;; open curly
(eq (char-before) 125) ;; close curly
(save-excursion
(c-beginning-of-statement-1)
(looking-at
"#\\s *\\(pragma\\|endregion\\|region\\|if\\|else\\|endif\\)"))
)))
(if is-attr
(progn
(if (<= 3 csharp-log-level)
(csharp-log 3 " - attribute: '%s'"
(buffer-substring-no-properties b2 e2)))
(c-put-font-lock-face b2 e2 'font-lock-type-face)))))
(goto-char (match-end 0))
))
nil))
;; Fontify labels after goto etc.
,@(when (c-lang-const c-before-label-kwds)
`( ;; (Got three different interpretation levels here,
;; which makes it a bit complicated: 1) The backquote
;; stuff is expanded when compiled or loaded, 2) the
;; eval form is evaluated at font-lock setup (to
;; substitute c-label-face-name correctly), and 3) the
;; resulting structure is interpreted during
;; fontification.)
(eval
. ,(let* ((c-before-label-re
(c-make-keywords-re nil
(c-lang-const c-before-label-kwds))))
`(list
,(concat "\\<\\(" c-before-label-re "\\)\\>"
"\\s *"
"\\(" ; identifier-offset
(c-lang-const c-symbol-key)
"\\)")
(list ,(+ (regexp-opt-depth c-before-label-re) 2)
c-label-face-name nil t))))))
;; Fontify the clauses after various keywords.
,@(when (or (c-lang-const c-type-list-kwds)
(c-lang-const c-ref-list-kwds)
(c-lang-const c-colon-type-list-kwds)
(c-lang-const c-paren-type-kwds))
`((,(c-make-font-lock-search-function
(concat "\\<\\("
(c-make-keywords-re nil
(append (c-lang-const c-type-list-kwds)
(c-lang-const c-ref-list-kwds)
(c-lang-const c-colon-type-list-kwds)
(c-lang-const c-paren-type-kwds)))
"\\)\\>")
'((c-fontify-types-and-refs ((c-promote-possible-types t))
(c-forward-keyword-clause 1)
(if (> (point) limit) (goto-char limit))))))))
;; Fontify the name that follows each namespace declaration
;; this needs to be done in the matchers-after because
;; otherwise the namespace names get the font-lock-type-face,
;; due to the energetic efforts of c-forward-type.
,`("\\<\\(namespace\\)[ \t\n\r\f\v]+\\(\\(?:[A-Za-z0-9_]+\\.\\)*[A-Za-z0-9_]+\\)"
2 font-lock-constant-face t)
;; Highlight function-invocation.
;; (this may in the future use font-lock-function-call-face, if standardized)
,`(,"\\.\\([A-Za-z0-9_]+\\)("
1 font-lock-function-name-face t)
))
;; verbatim string literals can be multiline
(c-lang-defconst c-multiline-string-start-char
csharp ?@)
(defun csharp-mode-syntax-propertize-function (beg end)
"Apply syntax table properties to special constructs in region BEG to END.
Currently handled:
- Fontify verbatim literal strings correctly
- Highlight text after #region or #pragma as comment"
(save-excursion
(goto-char beg)
(while (search-forward "@\"" end t)
(let ((in-comment-or-string-p (save-excursion
(goto-char (match-beginning 0))
(or (nth 3 (syntax-ppss))
(nth 4 (syntax-ppss))))))
(when (not in-comment-or-string-p)
(let (done)
(while (and (not done) (< (point) end))
(skip-chars-forward "^\"\\\\" end)
(cond
((= (following-char) ?\\)
(put-text-property (point) (1+ (point))
'syntax-table (string-to-syntax "."))
(forward-char 1))
((= (following-char) ?\")
(forward-char 1)
(if (= (following-char) ?\")
(progn
(put-text-property (1- (point)) (1+ (point))
'syntax-table (string-to-syntax "/"))
(forward-char 1))
(setq done t)))))))))
(goto-char beg)
(while (re-search-forward "^\\s *#\\s *\\(region\\|pragma\\)\\s " end t)
(when (looking-at "\\s *\\S ")
;; mark the whitespace separating the directive from the comment
;; text as comment starter to allow correct word movement
(put-text-property (1- (point)) (point)
'syntax-table (string-to-syntax "< b"))))))
;; C# does generics. Setting this to t tells the parser to put
;; parenthesis syntax on angle braces that surround a comma-separated
;; list.
(c-lang-defconst c-recognize-<>-arglists
csharp t)
(c-lang-defconst c-identifier-key
csharp (concat "\\([[:alpha:]_][[:alnum:]_]*\\)" ; 1
"\\("
"[ \t\n\r\f\v]*"
"\\(\\.\\)" ;;(c-lang-const c-opt-identifier-concat-key)
"[ \t\n\r\f\v]*"
"\\(\\([[:alpha:]_][[:alnum:]_]*\\)\\)"
"\\)*"))
;; C# has a few rules that are slightly different than Java for
;; operators. This also removed the Java's "super" and replaces it
;; with the C#'s "base".
(c-lang-defconst c-operators
csharp `((prefix "base")))
;; C# uses CPP-like prefixes to mark #define, #region/endregion,
;; #if/else/endif, and #pragma. This regexp matches the prefix, not
;; including the beginning-of-line (BOL), and not including the term
;; after the prefix (define, pragma, region, etc). This regexp says
;; whitespace, followed by the prefix, followed by maybe more
;; whitespace.
(c-lang-defconst c-opt-cpp-prefix
csharp "\\s *#\\s *")
;; there are no message directives in C#
(c-lang-defconst c-cpp-message-directives
csharp nil)
(c-lang-defconst c-cpp-expr-directives
csharp '("if"))
(c-lang-defconst c-opt-cpp-macro-define
csharp "define")
;; $ is not a legal char in an identifier in C#. So we need to
;; create a csharp-specific definition of this constant.
(c-lang-defconst c-symbol-chars
csharp (concat c-alnum "_"))
;; c-identifier-syntax-modifications by default defines $ as a word
;; syntax, which is not legal in C#. So, define our own lang-specific
;; value.
(c-lang-defconst c-identifier-syntax-modifications
csharp '((?_ . "w")))
(c-lang-defconst c-colon-type-list-kwds
csharp '("class" "struct" "interface"))
(c-lang-defconst c-block-prefix-disallowed-chars
;; Allow ':' for inherit list starters.
csharp (cl-set-difference (c-lang-const c-block-prefix-disallowed-chars)
'(?: ?,)))
(c-lang-defconst c-assignment-operators
csharp '("=" "*=" "/=" "%=" "+=" "-=" ">>=" "<<=" "&=" "^=" "|="))
(c-lang-defconst c-primitive-type-kwds
;; ECMA-344, S8
csharp '("object" "string" "sbyte" "short" "int" "long" "byte"
"ushort" "uint" "ulong" "float" "double" "bool" "char"
"decimal" "void"))
;; The keywords that define that the following is a type, such as a
;; class definition.
(c-lang-defconst c-type-prefix-kwds
;; ECMA-344, S?
csharp '("class" "interface" "struct")) ;; no enum here.
;; we want enum to be a brace list.
;; Type modifier keywords. They appear anywhere in types, but modify
;; instead of create one.
(c-lang-defconst c-type-modifier-kwds
;; EMCA-344, S?
csharp '("readonly" "const" "volatile" "new"))
;; Tue, 20 Apr 2010 16:02
;; need to verify that this works for lambdas...
(c-lang-defconst c-special-brace-lists
csharp '((?{ . ?}) ))
;; dinoch
;; Thu, 22 Apr 2010 18:54
;;
;; No idea why this isn't getting set properly in the first place.
;; In cc-langs.el, it is set to the union of a bunch of things, none
;; of which include "new", or "enum".
;;
;; But somehow both of those show up in the resulting derived regexp.
;; This breaks indentation of instance initializers, such as
;;
;; var x = new Foo { ... };
;;
;; Based on my inspection, the existing c-lang-defconst should work!
;; I don't know how to fix this c-lang-defconst, so I am re-setting this
;; variable here, to provide the regex explicitly.
;;
(c-lang-defconst c-decl-block-key
csharp '"\\(namespace\\)\\([^[:alnum:]_]\\|$\\)\\|\\(class\\|interface\\|struct\\)\\([^[:alnum:]_]\\|$\\)" )
;; Thu, 22 Apr 2010 14:29
;; I want this to handle var x = new Foo[] { ... };
;; not sure if necessary.
(c-lang-defconst c-inexpr-brace-list-kwds
csharp '("new"))
;; ;;(c-lang-defconst c-inexpr-class-kwds
;; ;; csharp '("new"))
(c-lang-defconst c-class-decl-kwds
;; EMCA-344, S?
;; don't include enum here, because we want it to be fontified as a brace
;; list, with commas delimiting the values. see c-brace-list-decl-kwds
;; below.
csharp '("class" "interface" "struct" )) ;; no "enum"!!
;; The various modifiers used for class and method descriptions.
(c-lang-defconst c-modifier-kwds
csharp '("public" "partial" "private" "const" "abstract" "sealed"
"protected" "ref" "out" "static" "virtual"
"implicit" "explicit" "fixed"
"override" "params" "internal" "async" "extern" "unsafe"))
;; Thu, 22 Apr 2010 23:02
;; Based on inspection of the cc-mode code, the c-protection-kwds
;; c-lang-const is used only for objective-c. So the value is
;; irrelevant for csharp.
(c-lang-defconst c-protection-kwds
csharp nil
;; csharp '("private" "protected" "public" "internal")
)
(c-lang-defconst c-opt-op-identifier-prefix
"Regexp matching the token before the ones in
`c-overloadable-operators' when operators are specified in their \"identifier form\".
This regexp is assumed to not match any non-operator identifier."
csharp (c-make-keywords-re t '("operator")))
;; Define the keywords that can have something following after them.
(c-lang-defconst c-type-list-kwds
csharp '("struct" "class" "interface" "is" "as" "operator"
"delegate" "event" "set" "get" "add" "remove"))
;; Handle typeless variable declaration
(c-lang-defconst c-typeless-decl-kwds
csharp '("var"))
;; Sets up the enum to handle the list properly, and also the new
;; keyword to handle object initializers. This requires a modified
;; c-basic-matchers-after (see above) in order to correctly fontify C#
;; 3.0 object initializers.
(c-lang-defconst c-brace-list-decl-kwds
csharp '("enum" "new"))
;; Statement keywords followed directly by a substatement.
;; catch is not one of them, because catch has a paren (typically).
(c-lang-defconst c-block-stmt-1-kwds
csharp '("do" "else" "try" "finally"))
;; Statement keywords followed by a paren sexp and then by a substatement.
(c-lang-defconst c-block-stmt-2-kwds
csharp '("for" "if" "switch" "while" "catch" "foreach" "using"
"fixed"
"checked" "unchecked" "lock"))
;; Statements that break out of braces
(c-lang-defconst c-simple-stmt-kwds
csharp '("return" "continue" "break" "throw" "goto" ))
;; Statements that allow a label
;; TODO?
(c-lang-defconst c-before-label-kwds
csharp nil)
;; Constant keywords
(c-lang-defconst c-constant-kwds
csharp '("true" "false" "null" "value"))
;; Keywords that start "primary expressions."
(c-lang-defconst c-primary-expr-kwds
csharp '("this" "base" "operator"))
;; Treat namespace as an outer block so class indenting
;; works properly.
(c-lang-defconst c-other-block-decl-kwds
csharp '("namespace"))
(c-lang-defconst c-other-kwds
csharp '("sizeof" "typeof" "is" "as" "yield"
"where" "select" "in" "from" "let" "orderby" "ascending" "descending"
"await" "async"))
(c-lang-defconst c-overloadable-operators
;; EMCA-344, S14.2.1
csharp '("+" "-" "*" "/" "%" "&" "|" "^"
"<<" ">>" "==" "!=" ">" "<" ">=" "<="))
;; This c-cpp-matchers stuff is used for fontification.
;; see cc-font.el
;;
;; There's no preprocessor in C#, but there are still compiler
;; directives to fontify: "#pragma", #region/endregion, #define, #undef,
;; #if/else/endif. (The definitions for the extra keywords above are
;; enough to incorporate them into the fontification regexps for types
;; and keywords, so no additional font-lock patterns are required for
;; keywords.)
(c-lang-defconst c-cpp-matchers
csharp (cons
;; Use the eval form for `font-lock-keywords' to be able to use
;; the `c-preprocessor-face-name' variable that maps to a
;; suitable face depending on the (X)Emacs version.
'(eval . (list "^\\s *#\\s *\\(pragma\\|undef\\|define\\)\\>\\(.*\\)"
(list 1 c-preprocessor-face-name)
'(2 font-lock-string-face)))
;; There are some other things in `c-cpp-matchers' besides the
;; preprocessor support, so include it.
(c-lang-const c-cpp-matchers)))
;; allow strings as switch-case values by leaving out string
;; delimiters in this definition
(c-lang-defconst c-nonlabel-token-key
csharp (c-make-keywords-re t
(cl-set-difference (c-lang-const c-keywords)
(append (c-lang-const c-label-kwds)
(c-lang-const c-protection-kwds))
:test 'string-equal)))
(defconst csharp-font-lock-keywords-1 (c-lang-const c-matchers-1 csharp)
"Minimal highlighting for C# mode.")
(defconst csharp-font-lock-keywords-2 (c-lang-const c-matchers-2 csharp)
"Fast normal highlighting for C# mode.")
(defconst csharp-font-lock-keywords-3 (c-lang-const c-matchers-3 csharp)
"Accurate normal highlighting for C# mode.")
(defvar csharp-font-lock-keywords csharp-font-lock-keywords-3
"Default expressions to highlight in C# mode.")
(defvar csharp-mode-syntax-table nil
"Syntax table used in ‘csharp-mode’ buffers.")
(or csharp-mode-syntax-table
(setq csharp-mode-syntax-table
(funcall (c-lang-const c-make-mode-syntax-table csharp))))
(defvar csharp-mode-abbrev-table nil
"Abbreviation table used in ‘csharp-mode’ buffers.")
(c-define-abbrev-table 'csharp-mode-abbrev-table
;; Keywords that if they occur first on a line might alter the
;; syntactic context, and which therefore should trig reindentation
;; when they are completed.
'(("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 csharp-mode-map (let ((map (c-make-inherited-keymap)))
;; Add bindings which are only useful for C#
map)
"Keymap used in ‘csharp-mode’ buffers.")
;; TODO
;; Defines our constant for finding attributes.
;;(defconst csharp-attribute-regex "\\[\\([XmlType]+\\)(")
;;(defconst csharp-attribute-regex "\\[\\(.\\)")
;; This doesn't work because the string regex happens before this point
;; and getting the font-locking to work before and after is fairly difficult
;;(defconst csharp-attribute-regex
;; (concat
;; "\\[[a-zA-Z][ \ta-zA-Z0-9.]+"
;; "\\((.*\\)?"
;;))
;; ==================================================================
;; end of c# values for "language constants" defined in cc-langs.el
;; ==================================================================
;; ========================================================================
;; moving
;; alist of regexps for various structures in a csharp source file.
(defconst csharp--regexp-alist
(list
`(func-start
,(concat
"^[ \t\n\r\f\v]*" ;; leading whitespace
"\\("
"public\\(?: static\\)?\\|" ;; 1. access modifier
"private\\(?: static\\)?\\|"
"protected\\(?: internal\\)?\\(?: static\\)?\\|"
"static\\|"
"\\)"
"[ \t\n\r\f\v]+"
"\\(?:override[ \t\n\r\f\v]+\\)?" ;; optional
"\\([[:alpha:]_][^\t\(\n]+\\)" ;; 2. return type - possibly generic
"[ \t\n\r\f\v]+"
"\\(" ;; 3. begin name of func
"\\(?:[A-Za-z_][[:alnum:]_]*\\.\\)*" ;; possible prefix interface
"[[:alpha:]_][[:alnum:]_]*" ;; actual func name
"\\(?:<\\(?:[[:alpha:]][[:alnum:]]*\\)\\(?:[, ]+[[:alpha:]][[:alnum:]]*\\)*>\\)?" ;; (with optional generic type parameter(s)
"\\)" ;; 3. end of name of func
"[ \t\n\r\f\v]*"
"\\(\([^\)]*\)\\)" ;; 4. params w/parens
"\\(?:[ \t]*/[/*].*\\)?" ;; optional comment at end of line
"[ \t\n\r\f\v]*"
))
`(class-start
,(concat
"^[ \t]*" ;; leading whitespace
"\\("
"public\\(?: \\(?:static\\|sealed\\)\\)?[ \t]+\\|" ;; access modifiers
"internal\\(?: \\(?:static\\|sealed\\)\\)?[ \t]+\\|"
"static\\(?: internal\\)?[ \t]+\\|"
"sealed\\(?: internal\\)?[ \t]+\\|"
"static[ \t]+\\|"
"sealed[ \t]+\\|"
"\\)"
"\\(\\(?:partial[ \t]+\\)?class\\|struct\\)" ;; class/struct keyword
"[ \t]+"
"\\([[:alpha:]_][[:alnum:]]*\\)" ;; type name
"\\("
"[ \t\n]*:[ \t\n]*" ;; colon
"\\([[:alpha:]_][^\t\(\n]+\\)" ;; base / intf - poss generic
"\\("
"[ \t\n]*,[ \t\n]*"
"\\([[:alpha:]_][^\t\(\n]+\\)" ;; addl interface - poss generic
"\\)*"
"\\)?" ;; possibly
"[ \t\n\r\f\v]*"
))
`(namespace-start
,(concat
"^[ \t\f\v]*" ;; leading whitespace
"\\(namespace\\)"
"[ \t\n\r\f\v]+"
"\\("
"\\(?:[A-Za-z_][[:alnum:]_]*\\.\\)*" ;; name of namespace
"[A-Za-z_][[:alnum:]]*"
"\\)"
"[ \t\n\r\f\v]*"
))
))
(defun csharp--regexp (symbol)
"Retrieve a regexp from `csharp--regexp-alist' corresponding to SYMBOL."
(let ((elt (assoc symbol csharp--regexp-alist)))
(if elt (cadr elt) nil)))
(defun csharp-move-back-to-beginning-of-block ()
"Move to the previous open curly."
(interactive)
(re-search-backward "{" (point-min) t))
(defun csharp--move-back-to-beginning-of-something (must-match &optional must-not-match)
"Move back to the open-curly that begin *something*.
*something* is defined by MUST-MATCH, a regexp which must match
immediately preceding the curly. If MUST-NOT-MATCH is non-nil,
it is treated as a regexp that must not match immediately
preceding the curly.
This is a helper fn for `csharp-move-back-to-beginning-of-defun' and
`csharp-move-back-to-beginning-of-class'"
(interactive)
(let (done
(found (point))
(need-to-backup (not (looking-at "{"))))
(while (not done)
(if need-to-backup
(setq found (csharp-move-back-to-beginning-of-block)))
(if found
(setq done (and (looking-back must-match nil)
(or (not must-not-match)
(not (looking-back must-not-match nil))))
need-to-backup t)
(setq done t)))
found))
(defun csharp-move-back-to-beginning-of-defun ()
"Move back to the open-curly that start the enclosing method.
If point is outside a method, then move back to the
beginning of the prior method.
See also, `csharp-move-fwd-to-end-of-defun'."
(interactive)
(cond
((bobp) nil)
(t
(let (found)
(save-excursion
;; handle the case where we're at the top of a fn now.
;; if the user is asking to move back, then obviously
;; he wants to move back to a *prior* defun.
(if (and (looking-at "{")
(looking-back (csharp--regexp 'func-start) nil)
(not (looking-back (csharp--regexp 'namespace-start) nil)))
(forward-char -1))
;; now do the real work
(setq found (csharp--move-back-to-beginning-of-something
(csharp--regexp 'func-start)
(csharp--regexp 'namespace-start))))
(if found
(goto-char found))))))
(defun csharp--on-defun-open-curly-p ()
"Return t when point is on the open-curly of a method."
(and (looking-at "{")
(not (looking-back (csharp--regexp 'class-start) nil))
(not (looking-back (csharp--regexp 'namespace-start) nil))
(looking-back (csharp--regexp 'func-start) nil)))
(defun csharp--on-class-open-curly-p ()
"Return t when point is on the open-curly of a class."
(and (looking-at "{")
(not (looking-back (csharp--regexp 'namespace-start) nil))
(looking-back (csharp--regexp 'class-start) nil)))
(defun csharp-move-fwd-to-end-of-defun ()
"Move forward to the close-curly that ends the enclosing method.
If point is outside a method, moves forward to the close-curly that
defines the end of the next method.
See also, `csharp-move-back-to-beginning-of-defun'."
(interactive)
(let ((really-move
(lambda ()
(let ((start (point))
dest-char)
(save-excursion
(csharp-move-back-to-beginning-of-defun)
(forward-sexp)
(if (>= (point) start)
(setq dest-char (point))))
(if dest-char
(goto-char dest-char))))))
(cond
;; case 1: end of buffer. do nothing.
((eobp) nil)
;; case 2: we're at the top of a class
((csharp--on-class-open-curly-p)
(let (found-it)
(save-excursion
(forward-char 1) ;; get off the curly
(setq found-it
(and ;; look for next open curly
(re-search-forward "{" (point-max) t)
(funcall really-move))))
(if found-it
(goto-char found-it))))
;; case 3: we're at the top of a fn now.
((csharp--on-defun-open-curly-p)
(forward-sexp))
;; case 4: we're at the bottom of a fn now (possibly
;; after just calling csharp-move-fwd-to-end-of-defun.
((and (looking-back "}" nil)
(save-excursion
(forward-sexp -1)
(csharp--on-defun-open-curly-p)))
(let (found-it)
(save-excursion
(setq found-it
(and (re-search-forward "{" (point-max) t)
(funcall really-move))))
(if found-it
(goto-char found-it))))
;; case 5: we're at none of those places.
(t
(funcall really-move)))))
(defun csharp-move-back-to-beginning-of-class ()
"Move back to the open-curly that begin the enclosing class.
If point is outside a class, then move back to the
beginning of the prior class.
See also, `csharp-move-fwd-to-end-of-defun'."
(interactive)
(cond
((bobp) nil)
(t
(let (found)
(save-excursion
;; handle the case where we're at the top of a class now.
;; if the user is asking to move back, then obviously
;; he wants to move back to a *prior* defun.
(if (and (looking-at "{")
(looking-back (csharp--regexp 'class-start) nil)
(not (looking-back (csharp--regexp 'namespace-start) nil)))
(forward-char -1))
;; now do the real work
(setq found (csharp--move-back-to-beginning-of-something
(csharp--regexp 'class-start)
(csharp--regexp 'namespace-start))))
(if found
(goto-char found))))))
(defun csharp-move-fwd-to-end-of-class ()
"Move forward to the close-curly that ends the enclosing class.
See also, `csharp-move-back-to-beginning-of-class'."
(interactive)
(let ((start (point))
dest-char)
(save-excursion
(csharp-move-back-to-beginning-of-class)
(forward-sexp)
(if (>= (point) start)
(setq dest-char (point))))
(if dest-char
(goto-char dest-char))))
(defun csharp-move-back-to-beginning-of-namespace ()
"Move back to the open-curly that begins the enclosing namespace.
If point is outside a namespace, then move back
to the beginning of the prior namespace."
(interactive)
(cond
((bobp) nil)
(t
(let (found)
(save-excursion
;; handle the case where we're at the top of a namespace now.
;; if the user is asking to move back, then obviously
;; he wants to move back to a *prior* defun.
(if (and (looking-at "{")
(looking-back (csharp--regexp 'namespace-start) nil))
(forward-char -1))
;; now do the real work
(setq found (csharp--move-back-to-beginning-of-something
(csharp--regexp 'namespace-start))))
(if found
(goto-char found))))))
;; moving
;; ========================================================================
;; ==================================================================
;;; imenu stuff
(defconst csharp--imenu-expression
(let* ((single-space "[ \t\n\r\f\v]")
(optional-space (concat single-space "*"))
(bol "^[ \t]*") ;; BOL shouldnt accept lineshift.
(space (concat single-space "+"))
(access-modifier (regexp-opt '( "public" "private" "protected" "internal"
"static" "sealed" "partial" "override" "virtual"
"abstract" "async" "new" "unsafe")))
;; this will allow syntactically invalid combinations of modifiers
;; but that's a compiler problem, not a imenu-problem
(access-modifier-list (concat "\\(?:" access-modifier space "\\)"))
(access-modifiers (concat access-modifier-list "*"))
(basic-type (concat
;; typename
"\\(?:[A-Za-z_][[:alnum:]_]*\\.\\)*"
"[A-Za-z_][[:alnum:]_]*"
))
(type (concat
basic-type
;; simplified, optional generic constraint.
;; handles generic sub-types.
"\\(?:<[[:alnum:],<> \t\n\f\v\r]+>\\)?"))
(return-type (concat
type
;; optional array-specifier
"\\(?:\\[\\]\\)?"))
(interface-prefix (concat "\\(?:" type "\\.\\)"))
;; param-list with parens
(parameter-list "\\(?:\([^!\)]*\)\\)")
(inheritance-clause (concat "\\(?:"
optional-space
":"
optional-space type
"\\(?:" optional-space "," optional-space type "\\)*"
"\\)?")))
(list (list "namespace"
(concat bol "namespace" space
"\\(" basic-type "\\)") 1)
;; not all these are classes, but they can hold other
;; members, so they are treated uniformly.
(list "class"
(concat bol
access-modifiers
"\\("
(regexp-opt '("class" "struct" "interface")) space
type inheritance-clause "\\)") 1)
(list "enum"
(concat bol
access-modifiers
"\\(" "enum" space
basic-type "\\)") 1)
(list "ctor"
(concat bol
;; ctor MUST have access modifiers, or else we pick
;; every if statement in the file...
access-modifier-list "+"
"\\("
basic-type
optional-space
parameter-list
"\\)"
"\\(?:"
optional-space
":"
optional-space
"\\(?:this\\|base\\)"
optional-space
parameter-list
"\\)?"
optional-space "{") 1)
(list "method"
(concat bol
;; we MUST require modifiers, or else we cannot reliably
;; identify declarations, without also dragging in lots of
;; if statements and what not.
access-modifier-list "+"
return-type space
"\\("
type
optional-space
parameter-list
"\\)"
;; optional // or /* comment at end
"\\(?:[ \t]*/[/*].*\\)?"
optional-space
"{") 1)
(list "method-inf"
(concat bol
return-type space
"\\("
interface-prefix
type
optional-space
parameter-list
"\\)"
;; optional // or /* comment at end
"\\(?:[ \t]*/[/*].*\\)?"
optional-space
"{") 1)
(list "method-abs-ext"
(concat bol
access-modifier-list "+"
(regexp-opt '("extern" "abstract")) space
return-type space
"\\("
type
optional-space
parameter-list
"\\)"
optional-space
;; abstract/extern methods are terminated with ;
";") 1)
;; delegates are almost like abstract methods, so pick them up here
(list "delegate"
(concat bol
access-modifiers
"delegate" space
return-type space
"\\("
type
"\\)"
optional-space
parameter-list
;; optional // or /* comment at end
optional-space
";") 1)
(list "prop"
(concat bol
;; must require access modifiers, or else we
;; pick up pretty much anything.
access-modifiers
return-type space
"\\("
type
"\\)"
optional-space "{" optional-space
;; unless we are super-specific and expect the accesors,
;; lots of weird things gets slurped into the name.
;; including the accessors themselves.
(regexp-opt '("get" "set"))
) 1)
(list "prop-inf"
(concat bol
return-type space
"\\("
interface-prefix
type
"\\)"
optional-space "{" optional-space
;; unless we are super-specific and expect the accesors,
;; lots of weird things gets slurped into the name.
;; including the accessors themselves.
(regexp-opt '("get" "set"))
) 1)
;; adding fields... too much?
(list "field"
(concat bol
access-modifier-list "+"
;; fields can be readonly/const/volatile
"\\(?:" (regexp-opt '("readonly" "const" "volatile")) space "\\)?"
return-type space
"\\("
type
"\\)"
optional-space
;; optional assignment
"\\(?:=[^;]+\\)?"
";") 1)
(list "indexer"
(concat bol
access-modifiers
return-type space
"this" optional-space
"\\("
;; opening bracket
"\\[" optional-space
;; type
"\\([^\]]+\\)" optional-space
type
;; closing brackets
"\\]"
"\\)"
optional-space "{" optional-space
;; unless we are super-specific and expect the accesors,
;; lots of weird things gets slurped into the name.
;; including the accessors themselves.
(regexp-opt '("get" "set"))) 1)
(list "event"
(concat bol
access-modifier-list "+"
optional-space "event" optional-space
"\\("
return-type space
type
"\\)"
optional-space
";") 1))))
(defun csharp--imenu-get-pos (pair)
"Return `position' from a (title . position) cons-pair `PAIR'.
The position may be a integer, or a marker (as returned by
imenu-indexing). This function ensures what is returned is an
integer which can be used for easy comparison."
(let ((pos (cdr pair)))
(if (markerp pos)
(marker-position pos)
pos)))
(defun csharp--imenu-get-container (item containers previous)
"Return the container which `ITEM' belongs to.
`ITEM' is a (title . position) cons-pair. `CONTAINERS' is a
list of such. `PREVIOUS' is the name of the previous
container found when recursing through `CONTAINERS'.
The final result is based on item's position relative to those
found in `CONTAINERS', or nil if none is found."
(if (not containers)
previous
(let* ((item-pos (csharp--imenu-get-pos item))
(container (car containers))
(container-pos (csharp--imenu-get-pos container))
(rest (cdr containers)))
(if (and container-pos
(< item-pos container-pos))
previous
(csharp--imenu-get-container item rest container)))))
(defun csharp--imenu-get-container-name (item containers)
"Return the name of the container which `ITEM' belongs to.
`ITEM' is a (title . position) cons-pair.
`CONTAINERS' is a list of such.
The name is based on the results from
`csharp--imenu-get-container'."
(let ((container (csharp--imenu-get-container item containers nil)))
(if (not container)
nil
(let ((container-p1 (car (split-string (car container)))) ;; namespace
(container-p2 (cadr (split-string (car container))))) ;; class/interface
;; use p1 (namespace) when there is no p2
(if container-p2
container-p2
container-p1)))))
(defun csharp--imenu-sort (items)
"Sort an imenu-index list `ITEMS' by the string-portion."
(sort items (lambda (item1 item2)
(string< (car item1) (car item2)))))
(defun csharp--imenu-get-class-name (class namespaces)
"Gets a name for a imenu-index `CLASS'.
Result is based on its own name and `NAMESPACES' found in the same file."
(let ((namespace (csharp--imenu-get-container-name class namespaces))
(class-name (car class)))
(if (not namespace)
class-name
;; reformat to include namespace
(let* ((words (split-string class-name))
(type (car words))
(name (cadr words)))
(concat type " " namespace "." name)))))
(defun csharp--imenu-get-class-nodes (classes namespaces)
"Create a new alist with CLASSES as root nodes with NAMESPACES added.
Each class will have one imenu index-entry \"( top)\" added by
default."
(mapcar (lambda (class)
(let ((class-name (csharp--imenu-get-class-name class namespaces))
(class-pos (cdr class)))
;; construct a new alist-entry where value is itself
;; a list of alist-entries with -1- entry which the top
;; of the class itself.
(cons class-name
(list
(cons "( top )" class-pos)))))
classes))
(defun csharp--imenu-get-class-node (result item classes namespaces)
"Get the class-node in `RESULT' which an `ITEM' should be inserted into.
For this calculation, the original index items `CLASSES' and `NAMESPACES'
is needed."
(let* ((class-item (csharp--imenu-get-container item classes nil))
(class-name (csharp--imenu-get-class-name class-item namespaces)))
(assoc class-name result)))
(defun csharp--imenu-format-item-node (item type)
"Format an ITEM with a specified TYPE as an imenu item to be inserted into the index."
(cons
(concat "(" type ") " (car item))
(cdr item)))
(defun csharp--imenu-append-items-to-menu (result key name index classes namespaces)
"Formats the imenu-index using the provided values.
This is done by modifying the contents of `RESULT' in place."
;; items = all methods, all events, etc based on "type"
(let* ((items (cdr (assoc key index))))
(dolist (item items)
(let ((class-node (csharp--imenu-get-class-node result item classes namespaces))
(item-node (csharp--imenu-format-item-node item name)))
(nconc class-node (list item-node))))))
(defun csharp--imenu-transform-index (index)
"Transform an imenu INDEX based on `IMENU-GENERIC-EXPRESSION'.
The resulting structure should be based on full type-names, with
type-members nested hierarchially below its parent.
See `csharp-mode-tests.el' for examples of expected behaviour
of such transformations."
(let* ((result nil)
(namespaces (cdr (assoc "namespace" index)))
(classes (cdr (assoc "class" index)))
(class-nodes (csharp--imenu-get-class-nodes classes namespaces)))
;; be explicit about collection variable
(setq result class-nodes)
(dolist (type '(("ctor")
("method")
("method-inf" "method")
("method-abs-ext" "method")
("prop")
("prop-inf" "prop")
("field")
("event")
("indexer")))
(let* ((key (car type))
(name (car (last type))))
(csharp--imenu-append-items-to-menu result key name index classes namespaces)))
;; add enums and delegates to main result list, as own items.
;; We don't support nested types. EOS.
;;
;; This has the issue that they get reported as "function" in
;; `helm-imenu', but there's nothing we can do about that.
;; The alternative is making it a menu with -1- submenu which
;; says "( top )" but that will be very clicky...
;; before adding delegates, we need to pad the entry so that it
;; matches the "<type> <name>" signature used by all the other
;; imenu entries
(let ((delegates (cdr (assoc "delegate" index))))
(dolist (delegate delegates)
(setf (car delegate) (concat "delegate " (car delegate)))))
(dolist (type '("enum" "delegate"))
(dolist (item (cdr (assoc type index)))
(let ((item-name (csharp--imenu-get-class-name item namespaces)))
(setq result (cons (cons item-name (cdr item))
result)))))
;; sort individual sub-lists
(dolist (item result)
(when (listp (cdr item))
(setf (cdr item) (csharp--imenu-sort (cdr item)))))
;; sort main list
;; (Enums always sort last though, because they dont have
;; sub-menus)
(csharp--imenu-sort result)))
(defun csharp--imenu-create-index-function ()
"Create an imenu index."
(csharp--imenu-transform-index
(imenu--generic-function csharp--imenu-expression)))
(defun csharp--setup-imenu ()
"Set up `imenu' for `csharp-mode'."
;; There are two ways to do imenu indexing. One is to provide a
;; function, via `imenu-create-index-function'. The other is to
;; provide imenu with a list of regexps via
;; `imenu-generic-expression'; imenu will do a "generic scan" for you.
;;
;; We use both.
;;
;; First we use the `imenu-generic-expression' to build a index for
;; us, but we do so inside a `imenu-create-index-function'
;; implementation which allows us to tweak the results slightly
;; before returning it to Emacs.
(setq imenu-create-index-function #'csharp--imenu-create-index-function)
(imenu-add-menubar-index))
;; ==================================================================
;; C# code-doc insertion magic
;; ==================================================================
;;
;; In Visual Studio, if you type three slashes, it immediately expands into
;; an inline code-documentation fragment. The following method does the
;; same thing.
;;
;; This is the kind of thing that could be handled by YASnippet or
;; another similarly flexible snippet framework. But I don't want to
;; introduce a dependency on yasnippet to csharp-mode. So the capability
;; must live within csharp-mode itself.
(defun csharp-maybe-insert-codedoc (arg)
"Insert an xml code documentation template on third consecutive slash.
This fn gets bound to / (the slash key), in
‘csharp-mode’. If the slash being inserted is not the third
consecutive slash, the slash is inserted as normal. If it is the
third consecutive slash, then a xml code documentation template
may be inserted in some cases. For example,
a <summary> template is inserted if the prior line is empty,
or contains only an open curly brace;
a <remarks> template is inserted if the prior word
closes the <summary> element;
a <returns> template is inserted if the prior word
closes the <remarks> element;
an <example> template is inserted if the prior word closes
the <returns> element;
a <para> template is inserted if the prior word closes
a <para> element.
In all other cases the slash is inserted as normal.
The prefix argument ARG is passed on to `self-insert-command'
when the code documentation template isn't triggered. This makes
sure that M-10 / still produces 10 consecutive slashes as expected.
If you want the default cc-mode behavior, which implies no automatic
insertion of xml code documentation templates, then use this in
your `csharp-mode-hook' function:
(local-set-key (kbd \"/\") 'c-electric-slash)"
(interactive "*p")
;;(message "csharp-maybe-insert-codedoc")
(let (
(cur-point (point))
(char last-command-event)
(cb0 (char-before (- (point) 0)))
(cb1 (char-before (- (point) 1)))
is-first-non-whitespace
did-auto-insert
)
;; check if two prior chars were slash, in other words,
;; check if this is the third slash in a row.
(if (and (= char ?/) cb0 (= ?/ cb0) cb1 (= ?/ cb1))
(progn
;;(message "yes - this is the third consecutive slash")
(setq is-first-non-whitespace
(save-excursion
(back-to-indentation)
(= cur-point (+ (point) 2))))
(if is-first-non-whitespace
;; This is a 3-slash sequence. It is the first non-whitespace text
;; on the line. Now we need to examine the surrounding context
;; in order to determine which xml cod doc template to insert.
(let (word-back char0 char1
word-fore char-0 char-1
text-to-insert ;; text to insert in lieu of slash
fn-to-call ;; func to call after inserting text
(preceding-line-is-empty (or
(= (line-number-at-pos) 1)
(save-excursion
(forward-line -1)
(beginning-of-line)
(looking-at "[ \t]*$\\|[ \t]*{[ \t]*$"))))
(flavor 0) ;; used only for diagnostic purposes
)
;;(message "starting a 3-slash comment")
;; get the prior word, and the 2 chars preceding it.
(backward-word)
(setq word-back (thing-at-point 'word)
char0 (char-before (- (point) 0))
char1 (char-before (- (point) 1)))
;; restore prior position
(goto-char cur-point)
;; get the following word, and the 2 chars preceding it.
(forward-word)
(backward-word)
(setq word-fore (thing-at-point 'word)
char-0 (char-before (- (point) 0))
char-1 (char-before (- (point) 1)))
;; restore prior position again
(goto-char cur-point)
(cond
;; The preceding line is empty, or all whitespace, or
;; contains only an open-curly. In this case, insert a
;; summary element pair.
(preceding-line-is-empty
(setq text-to-insert "/ <summary>\n /// \n /// </summary>"
flavor 1) )
;; The preceding word closed a summary element. In this case,
;; if the forward word does not open a remarks element, then
;; insert a remarks element.
((and (string-equal word-back "summary") (eq char0 ?/) (eq char1 ?<))
(if (not (and (string-equal word-fore "remarks") (eq char-0 ?<)))
(setq text-to-insert "/ <remarks>\n /// <para>\n /// \n /// </para>\n /// </remarks>"
flavor 2)))
;; The preceding word closed the remarks section. In this case,
;; insert an example element.
((and (string-equal word-back "remarks") (eq char0 ?/) (eq char1 ?<))
(setq text-to-insert "/ <example>\n /// \n /// </example>"
flavor 3))
;; The preceding word closed the example section. In this
;; case, insert an returns element. This isn't always
;; correct, because sometimes the xml code doc is attached to
;; a class or a property, neither of which has a return
;; value. A more intelligent implementation would inspect the
;; syntax state and only inject a returns element if
;; appropriate.
((and (string-equal word-back "example") (eq char0 ?/) (eq char1 ?<))
(setq text-to-insert "/ <returns></returns>"
fn-to-call (lambda ()
(backward-word)
(backward-char)
(backward-char)
(c-indent-line-or-region)
)
flavor 4))
;; The preceding word opened the remarks section, or it
;; closed a para section. In this case, insert a para
;; element, using appropriate indentation with respect to the
;; prior tag.
((or
(and (string-equal word-back "remarks") (eq char0 ?<) (or (eq char1 32) (eq char1 9)))
(and (string-equal word-back "para") (eq char0 ?/) (eq char1 ?<)))
(let (prior-point spacer)
(save-excursion
(backward-word)
(backward-char)
(backward-char)
(setq prior-point (point))
(skip-chars-backward "\t ")
(setq spacer (buffer-substring (point) prior-point))
;;(message (format "pt(%d) prior(%d) spacer(%s)" (point) prior-point spacer))
)
(if (string-equal word-back "remarks")
(setq spacer (concat spacer " ")))
(setq text-to-insert (format "/%s<para>\n ///%s \n ///%s</para>"
spacer spacer spacer)
flavor 6)))
;; The preceding word opened a para element. In this case, if
;; the forward word does not close the para element, then
;; close the para element.
;; --
;; This is a nice idea but flawed. Suppose I have a para element with some
;; text in it. If I position the cursor at the first line, then type 3 slashes,
;; I get a close-element, and that would be inappropriate. Not sure I can
;; easily solve that problem, so the best thing might be to simply punt, and
;; require people to close their own elements.
;;
;; ( (and (string-equal word-back "para") (eq char0 60) (or (eq char1 32) (eq char1 9)))
;; (if (not (and (string-equal word-fore "para") (eq char-0 47) (eq char-1 60) ))
;; (setq text-to-insert "/ \n/// </para>\n///"
;; fn-to-call (lambda ()
;; (previous-line)
;; (end-of-line)
;; )
;; flavor 7) )
;; )
;; the default case - do nothing
(t nil))
(if text-to-insert
(progn
;;(message (format "inserting special text (f(%d))" flavor))
;; set the flag, that we actually inserted text
(setq did-auto-insert t)
;; save point of beginning of insertion
(setq cur-point (point))
;; actually insert the text
(insert text-to-insert)
;; indent the inserted string, and re-position point, either through
;; the case-specific fn, or via the default progn.
(if fn-to-call
(funcall fn-to-call)
(let ((newline-count 0) (pos 0) ix)
;; count the number of newlines in the inserted string
(while (string-match "\n" text-to-insert pos)
(setq pos (match-end 0)
newline-count (+ newline-count 1) )
)
;; indent what we just inserted
(c-indent-region cur-point (point) t)
;; move up n/2 lines. This assumes that the
;; inserted text is ~symmetric about the halfway point.
;; The assumption holds if the xml code doc uses a
;; begin-elt and end-elt on a new line all by themselves,
;; and a blank line in between them where the point should be.
;; A more intelligent implementation would use a specific
;; marker string, like @@DOT, to note the desired point.
(forward-line (- 0 (/ newline-count 2)))
(end-of-line)))))))))
(if (not did-auto-insert)
(self-insert-command (prefix-numeric-value arg)))))
;; ==================================================================
;; end of c# code-doc insertion magic
;; ==================================================================
(defun csharp-time ()
"Return the time of day as a string. Used in the `csharp-log' function."
(substring (current-time-string) 11 19)) ;24-hr time
(defun csharp-log (level text &rest args)
"Log a message at level LEVEL.
If LEVEL is higher than `csharp-log-level', the message is
ignored. Otherwise, it is printed using `message'.
TEXT is a format control string, and the remaining arguments ARGS
are the string substitutions (see `format')."
(if (<= level csharp-log-level)
(let* ((msg (apply 'format text args)))
(message "C# %s %s" (csharp-time) msg))))
;; ==================================================================
;; C#-specific optimizations of cc-mode funcs
;; ==================================================================
;; There's never a need to move over an Obj-C directive in csharp-mode.
(defadvice c-forward-objc-directive (around
csharp-mode-advice-2
compile activate)
"Make `c-forward-objc-directive' a no-op in `csharp-mode'."
(if (c-major-mode-is 'csharp-mode)
nil
ad-do-it)
)
;; ==================================================================
;; end of C#-specific optimizations of cc-mode funcs
;; ==================================================================
;; ==================================================================
;; c# - monkey-patching of basic parsing logic
;; ==================================================================
;;
;; The following 2 defuns redefine functions from cc-mode, to add
;; special cases for C#. These primarily deal with indentation of
;; instance initializers, which are somewhat unique to C#. I couldn't
;; figure out how to get cc-mode to do what C# needs, without modifying
;; these defuns.
;;
;; verabatim copy of c-font-lock-invalid-string before it was removed
;; from emacs/cc-mode in Git commit bb591f139f0602af292c772f974dcc14dabb1deb.
(defun csharp-mode-font-lock-invalid-string ()
;; Assuming the point is after the opening character of a string,
;; fontify that char with `font-lock-warning-face' if the string
;; decidedly isn't terminated properly.
;;
;; This function does hidden buffer changes.
(let ((start (1- (point))))
(save-excursion
(and (eq (elt (parse-partial-sexp start (c-point 'eol)) 8) start)
(if (if (eval-when-compile (integerp ?c))
;; Emacs
(integerp c-multiline-string-start-char)
;; XEmacs
(characterp c-multiline-string-start-char))
;; There's no multiline string start char before the
;; string, so newlines aren't allowed.
(not (eq (char-before start) c-multiline-string-start-char))
;; Multiline strings are allowed anywhere if
;; c-multiline-string-start-char is t.
(not c-multiline-string-start-char))
(if c-string-escaped-newlines
;; There's no \ before the newline.
(not (eq (char-before (point)) ?\\))
;; Escaped newlines aren't supported.
t)
(c-put-font-lock-face start (1+ start) 'font-lock-warning-face)))))
(advice-add 'c-looking-at-inexpr-block
:around 'csharp--c-looking-at-inexpr-block-hack)
(defun csharp--c-looking-at-inexpr-block-hack (orig-fun &rest args)
(apply
(if (eq major-mode 'csharp-mode)
#'csharp--c-looking-at-inexpr-block
orig-fun)
args))
(defun csharp--c-looking-at-inexpr-block (lim containing-sexp &optional check-at-end)
;; Return non-nil if we're looking at the beginning of a block
;; inside an expression. The value returned is actually a cons of
;; either 'inlambda, 'inexpr-statement or 'inexpr-class and the
;; position of the beginning of the construct.
;;
;; LIM limits the backward search. CONTAINING-SEXP is the start
;; position of the closest containing list. If it's nil, the
;; containing paren isn't used to decide whether we're inside an
;; expression or not. If both LIM and CONTAINING-SEXP are used, LIM
;; needs to be farther back.
;;
;; If CHECK-AT-END is non-nil then extra checks at the end of the
;; brace block might be done. It should only be used when the
;; construct can be assumed to be complete, i.e. when the original
;; starting position was further down than that.
;;
;; This function might do hidden buffer changes.
(save-excursion
(let ((res 'maybe) passed-paren
(closest-lim (or containing-sexp lim (point-min)))
;; Look at the character after point only as a last resort
;; when we can't disambiguate.
(block-follows (and (eq (char-after) ?{) (point))))
(while (and (eq res 'maybe)
(progn (c-backward-syntactic-ws)
(> (point) closest-lim))
(not (bobp))
(progn (backward-char)
(looking-at "[\]\).]\\|\w\\|\\s_"))
(c-safe (forward-char)
(goto-char (scan-sexps (point) -1))))
(setq res
(if (looking-at c-keywords-regexp)
(let ((kw-sym (c-keyword-sym (match-string 1))))
(cond
((and block-follows
(c-keyword-member kw-sym 'c-inexpr-class-kwds))
(and (not (eq passed-paren ?\[))
;; dinoch Thu, 22 Apr 2010 18:20
;; ============================================
;; looking at new MyType() { ... }
;; means this is a brace list, so, return nil,
;; implying NOT looking-at-inexpr-block
(not
(and (c-major-mode-is 'csharp-mode)
(looking-at "new[ \t\n\f\v\r]+\\([[:alnum:]_]+\\)\\b")))
(or (not (looking-at c-class-key))
;; If the class instantiation is at the start of
;; a statement, we don't consider it an
;; in-expression class.
(let ((prev (point)))
(while (and
(= (c-backward-token-2 1 nil closest-lim) 0)
(eq (char-syntax (char-after)) ?w))
(setq prev (point)))
(goto-char prev)
(not (c-at-statement-start-p)))
;; Also, in Pike we treat it as an
;; in-expression class if it's used in an
;; object clone expression.
(save-excursion
(and check-at-end
(c-major-mode-is 'pike-mode)
(progn (goto-char block-follows)
(zerop (c-forward-token-2 1 t)))
(eq (char-after) ?\())))
(cons 'inexpr-class (point))))
((c-keyword-member kw-sym 'c-inexpr-block-kwds)
(when (not passed-paren)
(cons 'inexpr-statement (point))))
((c-keyword-member kw-sym 'c-lambda-kwds)
(when (or (not passed-paren)
(eq passed-paren ?\())
(cons 'inlambda (point))))
((c-keyword-member kw-sym 'c-block-stmt-kwds)
nil)
(t
'maybe)))
(if (looking-at "\\s(")
(if passed-paren
(if (and (eq passed-paren ?\[)
(eq (char-after) ?\[))
;; Accept several square bracket sexps for
;; Java array initializations.
'maybe)
(setq passed-paren (char-after))
'maybe)
'maybe))))
(if (eq res 'maybe)
(when (and c-recognize-paren-inexpr-blocks
block-follows
containing-sexp
(eq (char-after containing-sexp) ?\())
(goto-char containing-sexp)
(if (or (save-excursion
(c-backward-syntactic-ws lim)
(and (> (point) (or lim (point-min)))
(c-on-identifier)))
(and c-special-brace-lists
(c-looking-at-special-brace-list)))
nil
(cons 'inexpr-statement (point))))
res))))
(advice-add 'c-inside-bracelist-p
:around 'csharp-inside-bracelist-or-c-inside-bracelist-p)
(defun csharp-inside-bracelist-or-c-inside-bracelist-p (command &rest args)
"Run `csharp-inside-bracelist-p' if in `csharp-mode'.
Otherwise run `c-inside-bracelist-p'."
(if (eq major-mode 'csharp-mode)
(csharp-inside-bracelist-p (nth 0 args) (nth 1 args))
(apply command args)))
(defun csharp-inside-bracelist-p (containing-sexp paren-state)
;; return the buffer position of the beginning of the brace list
;; statement if we're inside a brace list, otherwise return nil.
;; CONTAINING-SEXP is the buffer pos of the innermost containing
;; paren. PAREN-STATE is the remainder of the state of enclosing
;; braces
;;
;; N.B.: This algorithm can potentially get confused by cpp macros
;; placed in inconvenient locations. It's a trade-off we make for
;; speed.
;;
;; This function might do hidden buffer changes.
(or
;; This will pick up brace list declarations.
(c-safe
(save-excursion
(goto-char containing-sexp)
(c-safe (c-forward-sexp -1))
(let (bracepos)
(if (and (or (looking-at c-brace-list-key)
(progn
(c-safe (c-forward-sexp -1))
(looking-at c-brace-list-key))
(and (c-major-mode-is 'csharp-mode)
(or
;; dinoch Thu, 22 Apr 2010 18:20
;; ============================================
;; looking enum Foo : int
;; means this is a brace list, so, return nil,
;; implying NOT looking-at-inexpr-block
(progn
(c-safe (c-forward-sexp -1))
(looking-at csharp-enum-decl-re))
;; type-initializers are not properly detected and
;; indented unless we help out. (no need to forward
;; when looking here, because enum-check already did
;; it!)
(looking-at csharp-type-initializer-statement-re))))
(setq bracepos (c-down-list-forward (point)))
(or
(not (c-crosses-statement-barrier-p (point)
(- bracepos 2)))
;; this little hack (combined with the regexp-check above)
;; fixes indentation for all type-initializers.
(c-major-mode-is 'csharp-mode)))
(point)))))
;; this will pick up array/aggregate init lists, even if they are nested.
(save-excursion
(let ((class-key
;; Pike can have class definitions anywhere, so we must
;; check for the class key here.
(and (c-major-mode-is 'pike-mode)
c-decl-block-key))
bufpos braceassignp lim next-containing)
(while (and (not bufpos)
containing-sexp)
(when paren-state
(if (consp (car paren-state))
(setq lim (cdr (car paren-state))
paren-state (cdr paren-state))
(setq lim (car paren-state)))
(when paren-state
(setq next-containing (car paren-state)
paren-state (cdr paren-state))))
(goto-char containing-sexp)
(if (c-looking-at-inexpr-block next-containing next-containing)
;; We're in an in-expression block of some kind. Do not
;; check nesting. We deliberately set the limit to the
;; containing sexp, so that c-looking-at-inexpr-block
;; doesn't check for an identifier before it.
(setq containing-sexp nil)
;; see if the open brace is preceded by = or [...] in
;; this statement, but watch out for operator=
(setq braceassignp 'dontknow)
(c-backward-token-2 1 t lim)
;; Checks to do only on the first sexp before the brace.
(when (and c-opt-inexpr-brace-list-key
(eq (char-after) ?\[))
;; In Java, an initialization brace list may follow
;; directly after "new Foo[]", so check for a "new"
;; earlier.
(while (eq braceassignp 'dontknow)
(setq braceassignp
(cond ((/= (c-backward-token-2 1 t lim) 0) nil)
((looking-at c-opt-inexpr-brace-list-key) t)
((looking-at "\\sw\\|\\s_\\|[.[]")
;; Carry on looking if this is an
;; identifier (may contain "." in Java)
;; or another "[]" sexp.
'dontknow)
(t nil)))))
;; Checks to do on all sexps before the brace, up to the
;; beginning of the statement.
(while (eq braceassignp 'dontknow)
(cond ((eq (char-after) ?\;)
(setq braceassignp nil))
((and class-key
(looking-at class-key))
(setq braceassignp nil))
((eq (char-after) ?=)
;; We've seen a =, but must check earlier tokens so
;; that it isn't something that should be ignored.
(setq braceassignp 'maybe)
(while (and (eq braceassignp 'maybe)
(zerop (c-backward-token-2 1 t lim)))
(setq braceassignp
(cond
;; Check for operator =
((and c-opt-op-identifier-prefix
(looking-at c-opt-op-identifier-prefix))
nil)
;; Check for `<opchar>= in Pike.
((and (c-major-mode-is 'pike-mode)
(or (eq (char-after) ?`)
;; Special case for Pikes
;; `[]=, since '[' is not in
;; the punctuation class.
(and (eq (char-after) ?\[)
(eq (char-before) ?`))))
nil)
((looking-at "\\s.") 'maybe)
;; make sure we're not in a C++ template
;; argument assignment
((and
(c-major-mode-is 'c++-mode)
(save-excursion
(let ((here (point))
(pos< (progn
(skip-chars-backward "^<>")
(point))))
(and (eq (char-before) ?<)
(not (c-crosses-statement-barrier-p
pos< here))
(not (c-in-literal))
))))
nil)
(t t))))))
(if (and (eq braceassignp 'dontknow)
(/= (c-backward-token-2 1 t lim) 0))
(setq braceassignp nil)))
(if (not braceassignp)
(if (eq (char-after) ?\;)
;; Brace lists can't contain a semicolon, so we're done.
(setq containing-sexp nil)
;; Go up one level.
(setq containing-sexp next-containing
lim nil
next-containing nil))
;; we've hit the beginning of the aggregate list
(c-beginning-of-statement-1
(c-most-enclosing-brace paren-state))
(setq bufpos (point))))
)
bufpos))
))
;; ==================================================================
;; end of monkey-patching of basic parsing logic
;; ==================================================================
;;(easy-menu-define csharp-menu csharp-mode-map "C# Mode Commands"
;; ;; Can use `csharp' as the language for `c-mode-menu'
;; ;; since its definition covers any language. In
;; ;; this case the language is used to adapt to the
;; ;; nonexistence of a cpp pass and thus removing some
;; ;; irrelevant menu alternatives.
;; (cons "C#" (c-lang-const c-mode-menu csharp)))
;;; Compilation regexps
;; When invoked by MSBuild, csc’s errors look like this:
;; subfolder\file.cs(6,18): error CS1006: Name of constructor must
;; match name of class [c:\Users\user\project.csproj]
(defun csharp--compilation-error-file-resolve ()
"Resolve an msbuild error to a (filename . dirname) cons cell."
;; http://stackoverflow.com/a/18049590/429091
(cons (match-string 1) (file-name-directory (match-string 4))))
(defconst csharp-compilation-re-msbuild-error
(concat
"^[[:blank:]]*\\(?:[[:digit:]]+>\\)?"
"\\([^(\r\n)]+\\)(\\([0-9]+\\)\\(?:,\\([0-9]+\\)\\)?): "
"error [[:alnum:]]+: [^\r\n]+\\[\\([^]\r\n]+\\)\\]$")
"Regexp to match compilation error from msbuild.")
(defconst csharp-compilation-re-msbuild-warning
(concat
"^[[:blank:]]*\\(?:[[:digit:]]+>\\)?"
"\\([^(\r\n)]+\\)(\\([0-9]+\\)\\(?:,\\([0-9]+\\)\\)?): "
"warning [[:alnum:]]+: [^\r\n]+\\[\\([^]\r\n]+\\)\\]$")
"Regexp to match compilation warning from msbuild.")
;; Notes on xbuild and devenv commonalities
;;
;; These regexes were tailored for xbuild, but apart from the concurrent
;; build-marker ("1>") they share exactly the same match-markers.
;;
;; If we don't exclude the match-markers explicitly, these regexes
;; will also be used to match for devenv as well, including the build-marker
;; in the file-name, causing the lookup to fail.
;;
;; So if we don't want devenv to fail, we actually need to handle it in our
;; xbuild-regexes, but then we automatically get devenv-support for free.
(defconst csharp-compilation-re-xbuild-error
(concat
"^[[:blank:]]*\\(?:[[:digit:]]+>\\)?"
"\\([^(\r\n)]+\\)(\\([0-9]+\\)\\(?:,\\([0-9]+\\)\\)?"
;; handle weird devenv output format with 4 numbers, not 2 by having optional
;; extra capture-groups.
"\\(?:,\\([0-9]+\\)\\)*): "
"error [[:alnum:]]+: .+$")
"Regexp to match compilation error from xbuild.")
(defconst csharp-compilation-re-xbuild-warning
(concat
"^[[:blank:]]*\\(?:[[:digit:]]+>\\)?"
"\\([^(\r\n)]+\\)(\\([0-9]+\\)\\(?:,\\([0-9]+\\)\\)?"
;; handle weird devenv output format with 4 numbers, not 2 by having optional
;; extra capture-groups.
"\\(?:,\\([0-9]+\\)\\)?*): "
"warning [[:alnum:]]+: .+$")
"Regexp to match compilation warning from xbuild.")
(eval-after-load 'compile
(lambda ()
(dolist
(regexp
`((xbuild-error
,csharp-compilation-re-xbuild-error
1 2 3 2)
(xbuild-warning
,csharp-compilation-re-xbuild-warning
1 2 3 1)
(msbuild-error
,csharp-compilation-re-msbuild-error
csharp--compilation-error-file-resolve
2
3
2
nil
(1 compilation-error-face)
(4 compilation-error-face))
(msbuild-warning
,csharp-compilation-re-msbuild-warning
csharp--compilation-error-file-resolve
2
3
1
nil
(1 compilation-warning-face)
(4 compilation-warning-face))))
(add-to-list 'compilation-error-regexp-alist-alist regexp)
(add-to-list 'compilation-error-regexp-alist (car regexp)))))
;;; Autoload mode trigger
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.cs$" . csharp-mode))
(c-add-style "C#"
'("Java"
(c-basic-offset . 4)
(c-comment-only-line-offset . (0 . 0))
(c-offsets-alist . (
(access-label . -)
(arglist-close . c-lineup-arglist)
(arglist-cont . 0)
(arglist-cont-nonempty . c-lineup-arglist)
(arglist-intro . c-lineup-arglist-intro-after-paren)
(block-close . 0)
(block-open . 0)
(brace-entry-open . 0)
(brace-list-close . 0)
(brace-list-entry . 0)
(brace-list-intro . +)
(brace-list-open . 0)
(c . c-lineup-C-comments)
(case-label . +)
(catch-clause . 0)
(class-close . 0)
(class-open . 0)
(comment-intro . c-lineup-comment)
(cpp-macro . [0])
(cpp-macro-cont . c-lineup-dont-change)
(defun-block-intro . +)
(defun-close . 0)
(defun-open . 0)
(do-while-closure . 0)
(else-clause . 0)
(extern-lang-close . 0)
(extern-lang-open . 0)
(friend . 0)
(func-decl-cont . +)
(inclass . +)
(inexpr-class . 0)
(inexpr-statement . 0)
(inextern-lang . +)
(inher-cont . c-lineup-multi-inher)
(inher-intro . +)
(inlambda . c-lineup-inexpr-block)
(inline-close . 0)
(inline-open . 0)
(innamespace . +)
(knr-argdecl . 0)
(knr-argdecl-intro . 5)
(label . 0)
(lambda-intro-cont . +)
(member-init-cont . c-lineup-multi-inher)
(member-init-intro . +)
(namespace-close . 0)
(namespace-open . 0)
(statement . 0)
(statement-block-intro . +)
(statement-case-intro . +)
(statement-case-open . +)
(statement-cont . +)
(stream-op . c-lineup-streamop)
(string . c-lineup-dont-change)
(substatement . +)
(substatement-open . 0)
(template-args-cont c-lineup-template-args +)
(topmost-intro . 0)
(topmost-intro-cont . +)
))
))
;;;###autoload
(define-derived-mode csharp-mode prog-mode "C#"
"Major mode for editing C# code.
The mode provides fontification and indent for C# syntax, as well
as some other handy features.
At mode startup, there are two interesting hooks that run:
`prog-mode-hook' is run with no args, then `csharp-mode-hook' is run after
that, also with no args.
To run your own logic after csharp-mode starts, do this:
(defun my-csharp-mode-fn ()
\"my function that runs when csharp-mode is initialized for a buffer.\"
(turn-on-font-lock)
(turn-on-auto-revert-mode) ;; helpful when also using Visual Studio
(setq indent-tabs-mode nil) ;; tabs are evil
....your own code here...
)
(add-hook 'csharp-mode-hook 'my-csharp-mode-fn t)
The function above is just a suggestion.
Imenu Integration
===============================
Check the menubar for menu entries for Imenu; it is labelled
\"Index\".
The Imenu index gets computed when the file is .cs first opened and loaded.
This may take a moment or two. If you don't like this delay and don't
use Imenu, you can turn this off with the variable `csharp-want-imenu'.
Key bindings:
\\{csharp-mode-map}"
(make-local-variable 'beginning-of-defun-function)
(make-local-variable 'end-of-defun-function)
(c-initialize-cc-mode t)
;; define underscore as part of a word in the Csharp syntax table
(modify-syntax-entry ?_ "w" csharp-mode-syntax-table)
;; define @ as an expression prefix in Csharp syntax table
(modify-syntax-entry ?@ "'" csharp-mode-syntax-table)
;; `c-init-language-vars' is a macro that is expanded at compile
;; time to a large `setq' with all the language variables and their
;; customized values for our language.
(c-init-language-vars csharp-mode)
;; Use our predefined "C#" style unless a file local or default
;; style is found. This is done by rebinding `c-default-style'
;; during the `c-common-init' call. 'c-common-init' will initialize
;; the buffer's style using the value of `c-default-style'.
(let ((c-default-style (if (or c-file-style
(stringp c-default-style)
(assq 'csharp-mode c-default-style))
c-default-style
"C#")))
;; `c-common-init' initializes most of the components of a CC Mode
;; buffer, including setup of the mode menu, font-lock, etc.
;; There's also a lower level routine `c-basic-common-init' that
;; only makes the necessary initialization to get the syntactic
;; analysis and similar things working.
(c-common-init 'csharp-mode))
(define-key csharp-mode-map (kbd "/") 'csharp-maybe-insert-codedoc)
;; Need the following for parse-partial-sexp to work properly with
;; verbatim literal strings Setting this var to non-nil tells
;; `parse-partial-sexp' to pay attention to the syntax text
;; properties on the text in the buffer. If csharp-mode attaches
;; text syntax to @"..." then, `parse-partial-sexp' will treat those
;; strings accordingly.
(set (make-local-variable 'parse-sexp-lookup-properties) t)
;; Allow fill-paragraph to work on xml code doc
;; This setting gets overwritten quietly by c-run-mode-hooks,
;; so I put it afterwards to make it stick.
(make-local-variable 'paragraph-separate)
;; Speedbar handling
(when (fboundp 'speedbar-add-supported-extension)
(speedbar-add-supported-extension '(".cs"))) ;; idempotent
(c-update-modeline)
;; maybe do imenu scan after hook returns
(when csharp-want-imenu
(csharp--setup-imenu))
;; The paragraph-separate variable was getting stomped by
;; other hooks, so it must reside here.
(setq-local paragraph-separate
"[ \t]*\\(//+\\|\\**\\)\\([ \t]+\\|[ \t]+<.+?>\\)$\\|^\f")
(setq-local beginning-of-defun-function 'csharp-move-back-to-beginning-of-defun)
;; `end-of-defun-function' can remain forward-sexp !!
(set (make-local-variable 'comment-auto-fill-only-comments) t)
(set (make-local-variable 'syntax-propertize-function)
'csharp-mode-syntax-propertize-function)
;; required since Emacs git master
;; https://github.com/emacs-mirror/emacs/commit/edcdf64960a2ab4e8d9ce4419874e43b6d3ccee4
;;
;; Basically syntax-propertize-function is a construct which belongs
;; to font-lock. But correct indentation depends on
;; syntax-properties of the text, and that should ideally be
;; independent of font-lock being activated or not.
;;
;; For csharp-mode, this means that with font-lock disabled, we wont
;; have our syntax-properties set correctly, and indentation will
;; suffer.
;;
;; To patch our way around this, we issue a syntax-propertize call
;; manually, font-lock enabled or not.
(with-silent-modifications
(csharp-mode-syntax-propertize-function (point-min) (point-max))))
(provide 'csharp-mode)
;;; csharp-mode.el ends here