94 lines
3.4 KiB
Hy
94 lines
3.4 KiB
Hy
;; Copyright (c) 2014 Paul Tagliamonte <paultag@debian.org>
|
|
;; Copyright (c) 2014 James King <james@agentultra.com>
|
|
|
|
;; Permission is hereby granted, free of charge, to any person obtaining a
|
|
;; copy of this software and associated documentation files (the "Software"),
|
|
;; to deal in the Software without restriction, including without limitation
|
|
;; the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
;; and/or sell copies of the Software, and to permit persons to whom the
|
|
;; Software is furnished to do so, subject to the following conditions:
|
|
|
|
;; The above copyright notice and this permission notice shall be included in
|
|
;; all copies or substantial portions of the Software.
|
|
|
|
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
;; THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
;; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
;; DEALINGS IN THE SOFTWARE.
|
|
|
|
;;;; Hy shadow functions
|
|
|
|
(import operator)
|
|
|
|
|
|
(defn + [&rest args]
|
|
"Shadow + operator for when we need to import / map it against something"
|
|
(let [[count (len args)]]
|
|
(if (zero? count)
|
|
(raise (TypeError "Need at least 1 argument to add/concatenate"))
|
|
(if (= count 1)
|
|
(get args 0)
|
|
(reduce operator.add args)))))
|
|
|
|
|
|
(defn - [&rest args]
|
|
"Shadow - operator for when we need to import / map it against something"
|
|
(let [[count (len args)]]
|
|
(if (= count 0)
|
|
(raise (TypeError "Need at least 1 argument to subtract"))
|
|
(if (= count 1)
|
|
(- (get args 0))
|
|
(reduce operator.sub args)))))
|
|
|
|
|
|
(defn * [&rest args]
|
|
"Shadow * operator for when we need to import / map it against something"
|
|
(if (= (len args) 0)
|
|
1 ; identity
|
|
(reduce operator.mul args)))
|
|
|
|
|
|
(defn / [&rest args]
|
|
"Shadow / operator for when we need to import / map it against something"
|
|
(let [[count (len args)]]
|
|
(if (= count 0)
|
|
(raise (TypeError "Need at least 1 argument to divide"))
|
|
(if (= count 1)
|
|
(operator.truediv 1 (get args 0))
|
|
(reduce operator.truediv args)))))
|
|
|
|
|
|
(defn comp-op [op args]
|
|
"Helper for shadow comparison operators"
|
|
(if (< (len args) 2)
|
|
(raise (TypeError "Need at least 2 arguments to compare"))
|
|
(reduce operator.and_
|
|
(list-comp (op x y)
|
|
[(, x y) (zip args (slice args 1))]))))
|
|
(defn < [&rest args]
|
|
"Shadow < operator for when we need to import / map it against something"
|
|
(comp-op operator.lt args))
|
|
(defn <= [&rest args]
|
|
"Shadow <= operator for when we need to import / map it against something"
|
|
(comp-op operator.le args))
|
|
(defn = [&rest args]
|
|
"Shadow = operator for when we need to import / map it against something"
|
|
(comp-op operator.eq args))
|
|
(defn != [&rest args]
|
|
"Shadow != operator for when we need to import / map it against something"
|
|
(comp-op operator.ne args))
|
|
(defn >= [&rest args]
|
|
"Shadow >= operator for when we need to import / map it against something"
|
|
(comp-op operator.ge args))
|
|
(defn > [&rest args]
|
|
"Shadow > operator for when we need to import / map it against something"
|
|
(comp-op operator.gt args))
|
|
|
|
; TODO figure out a way to shadow "is", "is_not", "and", "or"
|
|
|
|
|
|
(setv *exports* ['+ '- '* '/ '< '<= '= '!= '>= '>])
|