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[Emacs-diffs] Changes to emacs/lisp/progmodes/cc-langs.el,v
From: |
Alan Mackenzie |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/progmodes/cc-langs.el,v |
Date: |
Sun, 07 Jan 2007 13:36:42 +0000 |
CVSROOT: /cvsroot/emacs
Module name: emacs
Changes by: Alan Mackenzie <acmacm> 07/01/07 13:36:41
Index: cc-langs.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/progmodes/cc-langs.el,v
retrieving revision 1.43
retrieving revision 1.44
diff -u -b -r1.43 -r1.44
--- cc-langs.el 1 Jan 2007 22:11:27 -0000 1.43
+++ cc-langs.el 7 Jan 2007 13:36:41 -0000 1.44
@@ -208,23 +208,31 @@
;; Some helper functions used when building the language constants.
(defun c-filter-ops (ops opgroup-filter op-filter &optional xlate)
- ;; Used to filter operators from the list OPS in a DWIM:ey way:
- ;; OPS either has the structure of `c-operators', as a single
+ ;; Extract a subset of the operators in the list OPS in a DWIM:ey
+ ;; way. The return value is a plain list of operators:
+ ;;
+ ;; OPS either has the structure of `c-operators', is a single
;; group in `c-operators', or is a plain list of operators.
- ;; OPGROUP-FILTER is used filter out the operator groups. It can
- ;; be t to choose all groups, a list of the group type symbols to
- ;; accept, or a function which will be called with the group
- ;; symbol for each group and should return non-nil for those to
- ;; include. OP-FILTER filters the individual operators in each
- ;; group. It can be t to choose all operators, a regexp to test
- ;; against each operator, or a function which will be called for
- ;; each operator and should return non-nil for those to include.
+ ;;
+ ;; OPGROUP-FILTER specifies how to select the operator groups. It
+ ;; can be t to choose all groups, a list of group type symbols
+ ;; (such as 'prefix) to accept, or a function which will be called
+ ;; with the group symbol for each group and should return non-nil
+ ;; if that group is to be included.
+ ;;
+ ;; OP-FILTER filters the individual operators in each group. It
+ ;; can be t to choose all operators, a regexp to test against each
+ ;; operator, or a function which will be called for each operator
+ ;; and should return non-nil for those to include.
+ ;;
;; If XLATE is given, it's a function which is called for each
;; matching operator and its return value is collected instead.
;; If it returns a list, the elements are spliced directly into
;; the final result, which is returned as a list with duplicates
- ;; removed using `equal'. `c-mode-syntax-table' for the current
- ;; mode is in effect during the whole procedure.
+ ;; removed using `equal'.
+ ;;
+ ;; `c-mode-syntax-table' for the current mode is in effect during
+ ;; the whole procedure.
(unless (listp (car-safe ops))
(setq ops (list ops)))
(cond ((eq opgroup-filter t)
@@ -719,11 +727,11 @@
(c-lang-defconst c-operators
"List describing all operators, along with their precedence and
associativity. The order in the list corresponds to the precedence of
-the operators: The operators in each element is a group with the same
+the operators: The operators in each element are a group with the same
precedence, and the group has higher precedence than the groups in all
-following elements. The car of each element describes the type of of
-the operator group, and the cdr is a list of the operator tokens in
-it. The operator group types are:
+following elements. The car of each element describes the type of the
+operator group, and the cdr is a list of the operator tokens in it.
+The operator group types are:
'prefix Unary prefix operators.
'postfix Unary postfix operators.