chiark / gitweb /
Merge remote-tracking branch 'staging'
authorMark Wooding <mdw@distorted.org.uk>
Mon, 24 Feb 2014 19:51:13 +0000 (19:51 +0000)
committerMark Wooding <mdw@distorted.org.uk>
Mon, 24 Feb 2014 19:51:13 +0000 (19:51 +0000)
* staging:
  dot/emacs, el/dot-emacs.el: Introduce support for Scala.
  el/dot-emacs.el: New face `mdw-trivial-face'.

dot/emacs
el/dot-emacs.el

index ef44b02e032b5e2d2cc8b12d030ab91252206aec..4e28726524813baea66af9594640c86243aaeb49 100644 (file)
--- a/dot/emacs
+++ b/dot/emacs
        tcl-mode-hook go-mode-hook js-mode-hook javascript-mode-hook
        conf-mode-hook m4-mode-hook autoconf-mode-hook autotest-mode-hook
        a68-mode-hook a68-mode-hooks asm-mode-hook fsharp-mode-hook
-       TeX-mode-hook LaTeX-mode-hook
+       scala-mode-hook TeX-mode-hook LaTeX-mode-hook
        TeXinfo-mode-hook tex-mode-hook latex-mode-hook
        texinfo-mode-hook emacs-lisp-mode-hook scheme-mode-hook
        lisp-mode-hook lisp-interaction-mode-hook makefile-mode-hook
   (add-hook 'apcalc-mode-hook 'mdw-fontify-apcalc t)
 
   (add-hook 'java-mode-hook 'mdw-fontify-java t)
+  (add-hook 'scala-mode-hook 'mdw-fontify-scala t)
   (add-hook 'js-mode-hook 'mdw-fontify-javascript t)
   (add-hook 'csharp-mode-hook 'mdw-fontify-csharp t)
   (add-hook 'fsharp-mode-hook 'mdw-fontify-fsharp t)
index 6a9f108895561e48d80146da9b2d584b392c6118..f8141dce8ae6770e265aeb4068d2f89c1203182d 100644 (file)
@@ -917,6 +917,7 @@ (mdw-define-face mdw-punct-face
   (((type tty)) :foreground "yellow") (t :foreground "burlywood2"))
 (mdw-define-face mdw-number-face
   (t :foreground "yellow"))
+(mdw-define-face mdw-trivial-face)
 (mdw-define-face font-lock-function-name-face
   (t :slant italic))
 (mdw-define-face font-lock-keyword-face
@@ -1489,6 +1490,78 @@ (defun mdw-fontify-javascript ()
 
   (mdw-post-config-mode-hack))
 
+;;;--------------------------------------------------------------------------
+;;; Scala programming configuration.
+
+(defun mdw-fontify-scala ()
+
+  ;; Define things to be fontified.
+  (make-local-variable 'font-lock-keywords)
+  (let ((scala-keywords
+        (mdw-regexps "abstract" "case" "catch" "class" "def" "do" "else"
+                     "extends" "final" "finally" "for" "forSome" "if"
+                     "implicit" "import" "lazy" "match" "new" "object"
+                     "override" "package" "protected" "return" "sealed"
+                     "super" "this" "throw" "trait" "try" "type" "val"
+                     "var" "while" "with" "yield"))
+       (scala-constants
+        (mdw-regexps "false" "null" "true"))
+       (punctuation "\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/"))
+
+    (setq font-lock-keywords
+         (list
+
+          ;; Magical identifiers between backticks.
+          (list (concat "`\\([^`]+\\)`")
+                '(1 font-lock-variable-name-face))
+
+          ;; Handle the keywords defined above.
+          (list (concat "\\_<\\(" scala-keywords "\\)\\_>")
+                '(0 font-lock-keyword-face))
+
+          ;; Handle the constants defined above.
+          (list (concat "\\_<\\(" scala-constants "\\)\\_>")
+                '(0 font-lock-variable-name-face))
+
+          ;; Magical identifiers between backticks.
+          (list (concat "`\\([^`]+\\)`")
+                '(1 font-lock-variable-name-face))
+
+          ;; Handle numbers too.
+          ;;
+          ;; As usual, not quite right.
+          (list (concat "\\_<\\("
+                        "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
+                        "[0-9]+\\(\\.[0-9]*\\|\\)"
+                        "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
+                        "[lLfFdD]?")
+                '(0 mdw-number-face))
+
+          ;; Identifiers with trailing operators.
+          (list (concat "_\\(" punctuation "\\)+")
+                '(0 mdw-trivial-face))
+
+          ;; And everything else is punctuation.
+          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                '(0 mdw-punct-face)))
+
+         font-lock-syntactic-keywords
+         (list
+
+          ;; Single quotes around characters.  But not when used to quote
+          ;; symbol names.  Ugh.
+          (list (concat "\\('\\)"
+                        "\\(" "."
+                        "\\|" "\\\\" "\\(" "\\\\\\\\" "\\)*"
+                              "u+" "[0-9a-fA-F]\\{4\\}"
+                        "\\|" "\\\\" "[0-7]\\{1,3\\}"
+                        "\\|" "\\\\" "." "\\)"
+                        "\\('\\)")
+                '(1 "\"")
+                '(4 "\"")))))
+
+  (mdw-post-config-mode-hack))
+
 ;;;--------------------------------------------------------------------------
 ;;; C# programming configuration.