Class: RELI::Malbolge
- Inherits:
-
Object
- Object
- RELI::Malbolge
- Defined in:
- lib/reli/malbolge.rb
Instance Method Summary collapse
- #crypt1(m) ⇒ Object
- #crypt2(m) ⇒ Object
- #crz(a, b) ⇒ Object
- #get(addr) ⇒ Object
-
#get_orid(a) ⇒ Object
lazy evaluation.
- #inc(n) ⇒ Object
-
#initialize(options = {}) ⇒ Malbolge
constructor
A new instance of Malbolge.
- #rotr ⇒ Object
- #run(code_) ⇒ Object
Constructor Details
#initialize(options = {}) ⇒ Malbolge
Returns a new instance of Malbolge.
3 4 |
# File 'lib/reli/malbolge.rb', line 3 def initialize( = {}) end |
Instance Method Details
#crypt1(m) ⇒ Object
64 65 66 67 68 |
# File 'lib/reli/malbolge.rb', line 64 def crypt1(m) m = get m if m.class == Array "+b(29e*j1VMEKLyC})8&m#~W>qxdRp0wkrUo[D7,XTcA\"lI.v%{gJh4G\\-=O@5`_3i<?Z';FNQuY]szf$!BS/|t:Pn6^Ha" .split(//)[(m - 33 + @c).modulo 94].ord end |
#crypt2(m) ⇒ Object
70 71 72 73 |
# File 'lib/reli/malbolge.rb', line 70 def crypt2(m) "5z]&gqtyfr$(we4{WP)H-Zn,[%\\3dL+Q;>U!pJS72FhOA1CB6v^=I_0/8|jsb9m<.TVac`uY*MK'X~xDl}REokN:#?G\"i@" .split(//)[((get m) - 33).modulo 94].ord end |
#crz(a, b) ⇒ Object
75 76 77 78 79 80 81 82 |
# File 'lib/reli/malbolge.rb', line 75 def crz(a, b) a = get a if a.class == Array [a, b].map { |item| sprintf("%010d", item.to_s(3).to_i).split(//).map { |char| char.ord - 0x30 } }.transpose.map { |items| ([1, 0, 0, 1, 0, 2, 2, 2, 1][items[0] * 3 + items[1]] + 0x30).chr }.join.to_i(3) end |
#get(addr) ⇒ Object
12 13 14 15 16 |
# File 'lib/reli/malbolge.rb', line 12 def get(addr) a = addr[0] @memory[a] = get_orid a if a >= @memory.length return @memory[a] end |
#get_orid(a) ⇒ Object
lazy evaluation
7 8 9 10 |
# File 'lib/reli/malbolge.rb', line 7 def get_orid(a) @oridinal_memory[a] = crz get_orid(a - 2), get_orid(a - 1) if a >= @oridinal_memory.length return @oridinal_memory[a] end |
#inc(n) ⇒ Object
89 90 91 92 93 |
# File 'lib/reli/malbolge.rb', line 89 def inc(n) n += 1 n = 0 if n == 3**10 return n end |
#rotr ⇒ Object
84 85 86 87 |
# File 'lib/reli/malbolge.rb', line 84 def rotr() @memory[@d] += ((get [@d]).modulo 3) * 3 ** 10 @memory[@d] /= 3 end |
#run(code_) ⇒ Object
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 |
# File 'lib/reli/malbolge.rb', line 18 def run(code_) code = code_.split(//u).map(&:ord) @a = 0 @c = 0 @d = 0 # load step @buffer = [] @oridinal_memory = @memory = [] for char in code case crypt1 char when 42, 47, 60, 105, 106, 111, 112, 118 @oridinal_memory[@c] = char else # error next end @c += 1 end # run @c = 0 while (crypt1 [@c]) != 118 case crypt1 [@c] when 106 @d = get [@d] when 104 @c = get [@d] when 42 rotr @a = get [@d] when 112 @a = @memory[@d] = crz([@d], @a) when 60 @buffer[@buffer.length] = @a when 47 @a = $stdin.getc.ord end @memory[@c] = crypt2 [@c] @c = inc @c @d = inc @d end @buffer.map { |a| (a.modulo 256).chr}.join end |