Commit 289d6b22 authored by Florian v. Savigny's avatar Florian v. Savigny Committed by Lars Ingebrigtsen

Handle '' in strings in SQL Mode

* lisp/progmodes/sql.el
(sql--syntax-propertize-escaped-apostrophe): Handle '' in strings
(bug#40231).
(sql-mode): Use it.
parent b42df367
Pipeline #6305 failed with stage
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......@@ -1508,6 +1508,22 @@ Based on `comint-mode-map'.")
table)
"Syntax table used in `sql-mode' and `sql-interactive-mode'.")
;;; Syntax Properties
;; `sql--syntax-propertize-escaped-apostrophe', as follows, was
;; (analysed and) adapted from `pascal--syntax-propertize' in
;; pascal.el because basic syntax parsing cannot handle the SQL ''
;; construct within strings.
(defconst sql--syntax-propertize-escaped-apostrophe
(syntax-propertize-rules
("''"
(0
(if (save-excursion (nth 3 (syntax-ppss (match-beginning 0))))
(string-to-syntax ".")
(forward-char -1)
nil)))))
;; Font lock support
(defvar sql-mode-font-lock-object-name
......@@ -4210,6 +4226,11 @@ must tell Emacs. Here's how to do that in your init file:
(setq-local abbrev-all-caps 1)
;; Contains the name of database objects
(set (make-local-variable 'sql-contains-names) t)
;; Activate punctuation syntax table property for
;; escaped apostrophes within strings:
(setq-local syntax-propertize-function
sql--syntax-propertize-escaped-apostrophe)
(setq-local parse-sexp-lookup-properties t) ; just to make sure it is used
;; Set syntax and font-face highlighting
;; Catch changes to sql-product and highlight accordingly
(sql-set-product (or sql-product 'ansi)) ; Fixes bug#13591
......
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