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Clojure有语言规范吗?

specifications clojure

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Rob Lachlan · 技术社区 · 15 年前

Clojure有语言规范吗?在ebnf中精确定义词汇语法和语法的东西还是类似的东西?

我能找到的最接近的东西是 clojure website 但这并不能真正满足语言规范的要求(尽管它是一个非常好的资源)。如果没有规范,我们的BDFL有没有提到任何计划?

4 回复 | 直到 7 年前

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15

Kamil Szot 11 年前

https://github.com/laurentpetit/ccw/blob/3738a4fd768bcb0399630b7f6a6427a3066bdaa9/clojure-antlr-grammar/src/Clojure.g

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16

Rory O'Kane Erce 7 年前

linked by fogus Counterclockwise

`Clojure.g4`

Clojure.g4 permalink grammars-v4 Compojure clojure.core

`LispReader.java`

Clojureâs source code LispReader.java permalink

the same directory LineNumberingPushbackReader LispReader read isWhitespace readNumber ( # macros and dispatchMacros arrays

clojure.tools.reader Its source code differences from LispReader.java

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6

Rayne 15 年前

4

0

Thumbnail 7 年前

user=> (defn)
Syntax error macroexpanding clojure.core/defn at (REPL:1:1). 
() - failed: Insufficient input at: [:fn-name] spec: :clojure.core.specs.alpha/defn-args

user=> (fn [3]) Syntax error macroexpanding clojure.core/fn at (REPL:1:1).
(3) - failed: Extra input at: [:fn-tail :arity-1 :params] spec: :clojure.core.specs.alpha/param-list
3 - failed: vector? at: [:fn-tail :arity-n :params] spec: :clojure.core.specs.alpha/param-list

clojure.spec spec

Clojure - clojure.spec: Rationale and Overview

cat - a concatenation of predicates/patterns

alt - a choice of one among a set of predicates/patterns

* - zero or more occurrences of a predicate/pattern

+ - one or more

? - one or none

& - takes a regex op and further constrains it with one or more predicates