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Execute Brain****/Ruby: Difference between revisions
improvement of the debugging output, each_with_index->with_index
m (moved RCBF/Ruby to Execute Brain****/Ruby) |
(improvement of the debugging output, each_with_index->with_index) |
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Line 13:
jumpback_table = {}
jump_to = []
@program.each_char.
case char
when "[" then jump_to.push(idx)
Line 21:
jumpback_table
end
def run
invert_table = @jumpback_table.invert
dc = 0
pc = 0
while pc < @program.length
print [pc, @program[pc]
case @program[pc]
when ?>
dc += 1
print "\t#{dc}" if $DEBUG
when ?<
dc -= 1
print "\t#{dc}" if $DEBUG
when ?+
@d[dc] += 1
print "\t#{dc},#{@d[dc]}" if $DEBUG
when ?-
@d[dc] -= 1
print "\t#{dc},#{@d[dc]}" if $DEBUG
when ?.
print "\t#{dc},#{@d[dc]}\t" if $DEBUG
print @d[dc].chr
when ?,
@d[dc] = $stdin.getc
print "\t#{dc},#{@d[dc]}" if $DEBUG
when ?[
if @d[dc] == 0
pc =
end
when ?]
if @d[dc] != 0
pc = @jumpback_table[pc]
end
end
Line 71 ⟶ 72:
bf = RCBF.new(helloworld)
bf.run
# use nested loop to increment count to 64 and print (should be '@')
# followed by a newline
RCBF.new('>>++++[<++++[<++++>-]>-]<<.[-]++++++++++.').run</lang>
{{out}}
<pre>Hello World!
@</pre>
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