Created
March 18, 2014 18:12
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Brainfuck interpreter in Ruby
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| $_=$$/$$;@_=$_+$_;$-_=$_-@_ | |
| $__=->_{_==[]||_==''?$.:$_+$__[_[$_..$-_]]} | |
| @__=->_,&__{_==[]?[]:[__[_[$.]]]+@__[_[$_..$-_],&__]} | |
| $_____=->_{@__[[*_],&->__{__[$.]}]} | |
| @_____=->_{@__[[*_],&->__{__[$-_]}]} | |
| $______=->_{___,______=$_____[_],@_____[_];_____=$__[___];____={};__=$.;(_=->{ | |
| ____[______[__]]=___[__];(__+=$_)==_____ ?____:_[]})[]} | |
| @______=->_,__{_=[*_]+[*__];____=$__[_];___={};__=$.;(_____=->{ | |
| ___[_[__][$.]]=_[__][$_];(__+=$_)==____ ?___:_____[]})[]} | |
| $_______=->_{$___=[];@___=$__[_];__=___=____=$.;$____,@____={},[] | |
| (_____=->{ | |
| _[____]=='['?(@____<<____):$. | |
| _[____]==']'?($____[@____[$-_]]=____;@____=@____[$...$.-@_]):$. | |
| (____+=$_)==@___?$.:_____[]})[] | |
| $____=$____=={}?{}:@______[$____,$______[$____]] | |
| (______=->{_[__]== | |
| '+'?($___[___]||=$.;$___[___]+=$_):_[__]== | |
| '-'?($___[___]||=$.;$___[___]-=$_):_[__]== | |
| '>'?(___+=$_):_[__]== | |
| '<'?(___-=$_):_[__]== | |
| '['?(__=$___[___]==$.?$____[__]:__):_[__]== | |
| ']'?(__=$___[___]!=$.?$____[__]:__):_[__]== | |
| '.'?($><<(''<<$___[___])):$. | |
| (__+=$_)==@___?_:______[]})[]} | |
| $_______['++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.'] |
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