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fix: respect 80 column rule mostly

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Joao Tavora 2013-10-16 18:55:15 +01:00
parent 3446300c1f
commit e00c7e2661
1 changed files with 38 additions and 24 deletions
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62
snippet.el
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@ -1,4 +1,4 @@
;;; snippet.el --- yasnippet's snippet engine distilled -*- lexical-binding: t; -*-
;;; snippet.el --- yasnippet's engine distilled -*- lexical-binding: t; -*-
;; Copyright (C) 2013 João Távora
@ -40,7 +40,8 @@
(if parent-field-sym
(format "-son-of-%s" parent-field-sym)
""))))
(defun snippet--form-make-mirror-sym (mirror-name source-field-name &optional parent-field-sym)
(defun snippet--form-make-mirror-sym (mirror-name source-field-name
&optional parent-field-sym)
(make-symbol (format "mirror-%s-of-%s%s" mirror-name source-field-name
(if parent-field-sym
(format "-son-of-%s" parent-field-sym)
@ -74,14 +75,17 @@ iterated depth-first, resulting in a flattened list."
for next-form in (append (rest forms) (list nil))
for (sym childrenp) = (cond ((snippet--form-field-p form)
(list (snippet--form-make-field-sym (second form)
parent-field-sym)
(list (snippet--form-make-field-sym
(second form)
parent-field-sym)
(listp (third form))))
((snippet--form-mirror-p form)
(incf snippet--form-mirror-sym-idx)
(list (snippet--form-make-mirror-sym snippet--form-mirror-sym-idx
(second form)
parent-field-sym))))
(list (snippet--form-make-mirror-sym
snippet--form-mirror-sym-idx
(second form)
parent-field-sym))))
append (cond (sym
`((,sym
,form
@ -158,33 +162,43 @@ I would need these somewhere in the let* form
(second form-b)))
do
(setq source-sym sym-b)
(puthash source-sym (cons sym (gethash source-sym field-mirrors)) field-mirrors))
(puthash source-sym
(cons sym (gethash source-sym
field-mirrors))
field-mirrors))
(unless source-sym
(error "mirror definition %s mentions unknown field" form))
(error "mirror %s mentions unknown field"
form))
`((,sym (snippet--make-mirror))
(snippet--init-mirror ,sym
,source-sym
,(snippet--start-marker-name sym)
,(snippet--end-marker-name sym)
,(snippet--transform-lambda (third form) source-sym)
,parent-sym)))))
(snippet--init-mirror
,sym
,source-sym
,(snippet--start-marker-name sym)
,(snippet--end-marker-name sym)
,(snippet--transform-lambda (third form))
,parent-sym)))))
;; so that we can now create `snippet--make-field' forms with
;; complete lists of mirror symbols.
;;
(make-field-forms
(loop with field-tuples = (cl-remove-if-not #'snippet--form-field-p tuples :key #'second)
(loop with field-tuples = (cl-remove-if-not #'snippet--form-field-p
tuples
:key #'second)
for (prev-sym) in (cons nil field-tuples)
for (sym form parent-sym) in field-tuples
for (next-sym) in (append (rest field-tuples) (list nil))
collect `((,sym (snippet--make-field))
(snippet--init-field ,sym
,(second form)
,(snippet--start-marker-name sym)
,(snippet--end-marker-name sym)
,parent-sym
(list ,@(reverse (gethash sym field-mirrors)))
,next-sym
,prev-sym)))))
(snippet--init-field
,sym
,(second form)
,(snippet--start-marker-name sym)
,(snippet--end-marker-name sym)
,parent-sym
(list
,@(reverse
(gethash sym field-mirrors)))
,next-sym
,prev-sym)))))
(append make-field-forms
make-mirror-forms)))