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get rid of haskell--rx-let macro
1 parent 0e04612 commit 7d1235e

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+135
-149
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2 files changed

+135
-149
lines changed

‎haskell-c2hs.el

+135-131
Original file line numberDiff line numberDiff line change
@@ -44,137 +44,141 @@
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:group 'haskell)
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(defvar haskell-c2hs-font-lock-keywords
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`((,(haskell--rx-let ((ws (any ?\s ?\t ?\n ?\r))
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(anychar (or (not (any ?#))
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(seq "#"
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(not (any ?\})))))
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(any-nonquote (or (not (any ?# ?\"))
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(seq "#"
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(not (any ?\} ?\")))))
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(cid (seq (any (?a . ?z) (?A . ?Z) ?_)
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(* (any (?a . ?z) (?A . ?Z) (?0 . ?9) ?_))))
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(hsid-type (seq (? "'")
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(any (?A . ?Z))
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(* (any (?a . ?z) (?A . ?Z) (?0 . ?9) ?_ ?'))))
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(equals-str-val (seq (* ws)
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"="
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(* ws)
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"\""
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(* any-nonquote)
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"\"")))
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(group-n 1 "{#")
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(* ws)
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(or (seq (group-n 2
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"import"
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(opt (+ ws)
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"qualified"))
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(+ ws))
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(seq (group-n 2
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"context")
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(opt (+ ws)
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(group-n 3
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"lib")
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equals-str-val)
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(opt (+ ws)
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(group-n 4
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"prefix")
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equals-str-val)
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(opt (+ ws)
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(group-n 5
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"add"
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(+ ws)
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"prefix")
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equals-str-val))
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(seq (group-n 2
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"type")
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(+ ws)
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cid)
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(seq (group-n 2
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"sizeof")
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(+ ws)
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cid)
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(seq (group-n 2
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"enum"
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(+ ws)
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"define")
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(+ ws)
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cid)
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;; TODO: vanilla enum fontification is incomplete
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(seq (group-n 2
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"enum")
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(+ ws)
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cid
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(opt (+ ws)
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(group-n 3
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"as")))
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;; TODO: fun hook highlighting is incompelete
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(seq (group-n 2
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(or "call"
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"fun")
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(opt (+ ws)
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"pure")
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(opt (+ ws)
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"unsafe"))
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(+ ws)
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cid
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(opt (+ ws)
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(group-n 3
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"as")
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(opt (+ ws)
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(group-n 8
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"^"))))
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(group-n 2
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"get")
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(group-n 2
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"set")
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(seq (group-n 2
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"pointer")
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(or (seq (* ws)
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(group-n 3 "*")
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(* ws))
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(+ ws))
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cid
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(opt (+ ws)
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(group-n 4 "as")
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(+ ws)
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hsid-type)
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(opt (+ ws)
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(group-n 5
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(or "foreign"
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"stable")))
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(opt
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(or (seq (+ ws)
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(group-n 6
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"newtype"))
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(seq (* ws)
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"->"
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(* ws)
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hsid-type)))
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(opt (+ ws)
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(group-n 7
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"nocode")))
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(group-n 2
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"class")
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(group-n 2
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"alignof")
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(group-n 2
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"offsetof")
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(seq (group-n 2
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"const")
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(+ ws)
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cid)
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(seq (group-n 2
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"typedef")
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(+ ws)
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cid
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(+ ws)
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hsid-type)
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(group-n 2
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"nonGNU")
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;; TODO: default hook not implemented
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)
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(* anychar)
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(group-n 9 "#}"))
47+
`((,(eval-when-compile
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(let* ((ws '(any ?\s ?\t ?\n ?\r))
49+
(anychar '(or (not (any ?#))
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(seq "#"
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(not (any ?\})))))
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(any-nonquote '(or (not (any ?# ?\"))
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(seq "#"
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(not (any ?\} ?\")))))
55+
(cid '(seq (any (?a . ?z) (?A . ?Z) ?_)
56+
(* (any (?a . ?z) (?A . ?Z) (?0 . ?9) ?_))))
57+
(hsid-type '(seq (? "'")
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(any (?A . ?Z))
59+
(* (any (?a . ?z) (?A . ?Z) (?0 . ?9) ?_ ?'))))
60+
(equals-str-val `(seq (* ,ws)
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"="
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(* ,ws)
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"\""
64+
(* ,any-nonquote)
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"\"")))
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(eval
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`(rx
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(seq
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(group-n 1 "{#")
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(* ,ws)
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(or (seq (group-n 2
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"import"
73+
(opt (+ ,ws)
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"qualified"))
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(+ ,ws))
76+
(seq (group-n 2
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"context")
78+
(opt (+ ,ws)
79+
(group-n 3
80+
"lib")
81+
,equals-str-val)
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(opt (+ ,ws)
83+
(group-n 4
84+
"prefix")
85+
,equals-str-val)
86+
(opt (+ ,ws)
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(group-n 5
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"add"
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(+ ,ws)
90+
"prefix")
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,equals-str-val))
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(seq (group-n 2
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"type")
94+
(+ ,ws)
95+
,cid)
96+
(seq (group-n 2
97+
"sizeof")
98+
(+ ,ws)
99+
,cid)
100+
(seq (group-n 2
101+
"enum"
102+
(+ ,ws)
103+
"define")
104+
(+ ,ws)
105+
,cid)
106+
;; TODO: vanilla enum fontification is incomplete
107+
(seq (group-n 2
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"enum")
109+
(+ ,ws)
110+
,cid
111+
(opt (+ ,ws)
112+
(group-n 3
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"as")))
114+
;; TODO: fun hook highlighting is incompelete
115+
(seq (group-n 2
116+
(or "call"
117+
"fun")
118+
(opt (+ ,ws)
119+
"pure")
120+
(opt (+ ,ws)
121+
"unsafe"))
122+
(+ ,ws)
123+
,cid
124+
(opt (+ ,ws)
125+
(group-n 3
126+
"as")
127+
(opt (+ ,ws)
128+
(group-n 8
129+
"^"))))
130+
(group-n 2
131+
"get")
132+
(group-n 2
133+
"set")
134+
(seq (group-n 2
135+
"pointer")
136+
(or (seq (* ,ws)
137+
(group-n 3 "*")
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(* ,ws))
139+
(+ ,ws))
140+
,cid
141+
(opt (+ ,ws)
142+
(group-n 4 "as")
143+
(+ ,ws)
144+
,hsid-type)
145+
(opt (+ ,ws)
146+
(group-n 5
147+
(or "foreign"
148+
"stable")))
149+
(opt
150+
(or (seq (+ ,ws)
151+
(group-n 6
152+
"newtype"))
153+
(seq (* ,ws)
154+
"->"
155+
(* ,ws)
156+
,hsid-type)))
157+
(opt (+ ,ws)
158+
(group-n 7
159+
"nocode")))
160+
(group-n 2
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"class")
162+
(group-n 2
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"alignof")
164+
(group-n 2
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"offsetof")
166+
(seq (group-n 2
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"const")
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(+ ,ws)
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,cid)
170+
(seq (group-n 2
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"typedef")
172+
(+ ,ws)
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,cid
174+
(+ ,ws)
175+
,hsid-type)
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(group-n 2
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"nonGNU")
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;; TODO: default hook not implemented
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)
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(* ,anychar)
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(group-n 9 "#}"))))))
178182
;; Override highlighting for pairs in order to always distinguish them.
179183
(1 'haskell-c2hs-hook-pair-face t)
180184
(2 'haskell-c2hs-hook-name-face)

‎haskell-utils.el

-18
Original file line numberDiff line numberDiff line change
@@ -180,23 +180,5 @@ expression bounds."
180180
end-c
181181
value)))))
182182

183-
(defmacro haskell--rx-let (definitions &rest main-expr)
184-
"Return `rx' invokation of main-expr that has symbols defined in
185-
DEFINITIONS substituted by definition body. DEFINITIONS is list
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of let-bindig forms, (<symbol> <body>). No recursion is permitted -
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no defined symbol should show up in body of its definition or in
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body of any futher definition."
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(declare (indent 1))
190-
(let ((invalid-def (cl-find-if (lambda (def) (not (= 2 (length def)))) definitions)))
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(when invalid-def
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(error "haskell--rx-let: every definition must consist of two elements: (name def), but this one doesn't: %s"
193-
invalid-def)))
194-
`(rx ,@(cl-reduce (lambda (def expr)
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(cl-subst (cadr def) (car def) expr
196-
:test #'eq))
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definitions
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:initial-value main-expr
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:from-end t)))
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201183
(provide 'haskell-utils)
202184
;;; haskell-utils.el ends here

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