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AlephAlpha/Brainfuck

Last active December 25, 2015 14:39
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Brainfuck interpreter in Mathematica.
Raw
Brainfuck
ToExpression[
"input=StringToStream[\"" <> ##2 <>
"\"];Clear[memory];memory[_]=pointer=0;" <>
StringReplace[#,
{">" -> "pointer++;",
"<" -> "pointer--;",
"+" -> "memory[pointer]++;",
"-" -> "memory[pointer]--;",
"." -> "BinaryWrite[OutputStream[\"stdout\",1],memory[pointer]];",
"," -> "memory[pointer]=BinaryRead[input];",
"[" -> "While[memory[pointer]!=0,",
"]" -> "];",
_ -> ""}] <>
"Close[input];"] &
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