hippo
所属分类：编程语言基础
开发工具：GO
文件大小：0KB
下载次数：0
上传日期：2014-05-11 20:47:41
上 传 者：
sh-1993
说明： 一种玩具函数式编程语言
(A toy functional programming language)
文件列表:
ast/ (0, 2014-05-11)
ast/ast.go (1410, 2014-05-11)
ast/print.go (1031, 2014-05-11)
bin/ (0, 2014-05-11)
bin/sample.js (1722, 2014-05-11)
check/ (0, 2014-05-11)
check/builtins.go (3285, 2014-05-11)
check/checker.go (625, 2014-05-11)
check/checkfuncs.go (1994, 2014-05-11)
check/scope.go (4177, 2014-05-11)
gen/ (0, 2014-05-11)
gen/generator.go (1182, 2014-05-11)
gen/js.go (3655, 2014-05-11)
hippo.go (989, 2014-05-11)
lex/ (0, 2014-05-11)
lex/lexer.go (1917, 2014-05-11)
lex/lexfuncs.go (1744, 2014-05-11)
lex/pos.go (147, 2014-05-11)
lex/token.go (1071, 2014-05-11)
parse/ (0, 2014-05-11)
parse/errors.go (261, 2014-05-11)
parse/parsefuncs.go (4699, 2014-05-11)
parse/parser.go (1091, 2014-05-11)
sample.hippo (492, 2014-05-11)
Lanuage specification for hippo-lang
====================================
Hippo is a toy project i'm working on. It's a statically typed language with inspirations from lisp.
Keywords
--------
| keyword | description |
| ------------- | -------------------------------- |
| type | define a type |
| func | define a function |
Tokens
------
| type | token |
| ------------- | -------------------------------- |
| Colon | : |
| OpenParen | ( |
| CloseParen | ) |
| Comment | # |
Primitives
----------
| type | example |
| ------------- | -------------------------------- |
| string | "1" |
| int | 1 |
| float | 1.0 |
Code sample
-----------
```lisp
# type definition
(type vec2
x:float
y:float)
# function definition
(func dot:float v1:vec2 v2:vec2
(+ (* v1.x v2.x)
(* v1.y v2.y)))
# fibonacci function
(func fib:int i:int
(if (< i 2) 1
(+ (fib (- i 2))
(fib (- i 1)))))
# pow operator
(func ^:int i:int e:int (^' i i e))
(func ^':int v:int i:int e:int
(if (= e 0) 1
(if (= e 1) v
(^' (* v i) i (- e 1)))))
# executed when running script
(print (dot (vec2 1.0 1.0) (vec2 2.0 2.0)))
(print (fib 10))
(print (^ 10 3))
```
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