Upcase SQL keywords

sql-autoupcase.el

;;; sql-autoupcase.el --- Minor mode for upcasing SQL keywords  -*- lexical-binding: t; -*-

;; Copyright (C) 2015  David Vazquez

;; Author: David Vazquez <davazp@gmail.com>
;; Keywords: abbrev, convenience, languages

;; 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 3 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.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; 

;;; Code:

(defvar sql-autoupcase-keywords
  '("absolute" "action" "add" "admin" "after" "aggregate" "alias" "all"
    "allocate" "alter" "and" "any" "are" "as" "asc" "assertion" "at"
    "authorization" "before" "begin" "both" "breadth" "by" "call"
    "cascade" "cascaded" "case" "catalog" "check" "class" "close"
    "collate" "collation" "column" "commit" "completion" "connect"
    "connection" "constraint" "constraints" "constructor" "continue"
    "corresponding" "create" "cross" "cube" "current" "cursor" "cycle"
    "data" "day" "deallocate" "declare" "default" "deferrable" "deferred"
    "delete" "depth" "deref" "desc" "describe" "descriptor" "destroy"
    "destructor" "deterministic" "diagnostics" "dictionary" "disconnect"
    "distinct" "domain" "drop" "dynamic" "each" "else" "end" "equals"
    "escape" "every" "except" "exception" "exec" "execute" "external"
    "false" "fetch" "first" "for" "foreign" "found" "free" "from" "full"
    "function" "general" "get" "global" "go" "goto" "grant" "group"
    "grouping" "having" "host" "hour" "identity" "ignore" "immediate" "in"
    "indicator" "initialize" "initially" "inner" "inout" "input" "insert"
    "intersect" "into" "is" "isolation" "iterate" "join" "key" "language"
    "last" "lateral" "leading" "left" "less" "level" "like" "limit"
    "local" "locator" "map" "match" "minute" "modifies" "modify" "module"
    "month" "names" "natural" "new" "next" "no" "none" "not" "null" "of"
    "off" "old" "on" "only" "open" "operation" "option" "or" "order"
    "ordinality" "out" "outer" "output" "pad" "parameter" "parameters"
    "partial" "path" "postfix" "prefix" "preorder" "prepare" "preserve"
    "primary" "prior" "privileges" "procedure" "public" "read" "reads"
    "recursive" "references" "referencing" "relative" "restrict" "result"
    "return" "returns" "revoke" "right" "role" "rollback" "rollup"
    "routine" "rows" "savepoint" "schema" "scroll" "search" "second"
    "section" "select" "sequence" "session" "set" "sets" "size" "some"
    "space" "specific" "specifictype" "sql" "sqlexception" "sqlstate"
    "sqlwarning" "start" "state" "statement" "static" "structure" "table"
    "temporary" "terminate" "than" "then" "timezone_hour"
    "timezone_minute" "to" "trailing" "transaction" "translation"
    "trigger" "true" "under" "union" "unique" "unknown" "unnest" "update"
    "usage" "using" "value" "values" "variable" "view" "when" "whenever"
    "where" "with" "without" "work" "write" "year"))


(define-abbrev-table 'sql-mode-abbrev-table
  (mapcar #'(lambda (v) (list v (upcase v) nil 1))
          sql-autoupcase-keywords))

(defun sql-autoupcase-in-code-p ()
  (let ((list (syntax-ppss)))
    (and (null (nth 3 list))            ; inside string.
         (null (nth 4 list)))))         ; inside cocmment

(defun sql-autoupcase-pre-abbrev-hook ()
  ;; Allow our abbrevs only in a code context.
  (setq local-abbrev-table
        (and (sql-autoupcase-in-code-p)
             sql-mode-abbrev-table)))

(define-minor-mode sql-autoupcase-mode
  "Upcase SQL keywords automatically"
  nil
  " SQL-AU"
  nil
  (unless (eq major-mode 'sql-mode)
    (error "sql-autoupcase-mode can only work with sql-mode"))
  (make-local-variable 'pre-abbrev-expand-hook)
  (cond
   (sql-autoupcase-mode
    (setq abbrev-mode t)
    (add-hook 'pre-abbrev-expand-hook 'sql-autoupcase-pre-abbrev-hook))
   (t
    (remove-hook 'pre-abbrev-expand-hook 'sql-autoupcase-pre-abbrev-hook)
    (setq local-abbrev-table nil))))


(provide 'sql-autoupcase)
;;; sql-autoupcase.el ends here