Created
October 18, 2015 01:55
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Under the hood with [RubyVM](http://ruby-doc.org/core-2.2.3/RubyVM/InstructionSequence.html)
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| ➜ Desktop ruby fizzbuzz.rb | |
| fizzbuzz | |
| == disasm: <RubyVM::InstructionSequence:[email protected]>=========== | |
| == catch table | |
| | catch type: break st: 0004 ed: 0008 sp: 0000 cont: 0008 | |
| |------------------------------------------------------------------------ | |
| local table (size: 2, argc: 1 [opts: 0, rest: -1, post: 0, block: -1] s1) | |
| [ 2] array<Arg> | |
| 0000 trace 8 ( 3) | |
| 0002 trace 1 ( 4) | |
| 0004 getlocal_OP__WC__0 2 | |
| 0006 send <callinfo!mid:map!, argc:0, block:block in fizzbuzz> | |
| 0008 trace 16 ( 19) | |
| 0010 leave ( 4) | |
| == disasm: <RubyVM::InstructionSequence:block in [email protected]>== | |
| == catch table | |
| | catch type: redo st: 0000 ed: 0086 sp: 0000 cont: 0000 | |
| | catch type: next st: 0000 ed: 0086 sp: 0000 cont: 0086 | |
| |------------------------------------------------------------------------ | |
| local table (size: 4, argc: 1 [opts: 0, rest: -1, post: 0, block: -1] s3) | |
| [ 4] number<Arg>[ 3] divisibleBy3[ 2] divisibleBy5 | |
| 0000 trace 256 ( 4) | |
| 0002 trace 1 ( 5) | |
| 0004 trace 1 | |
| 0006 getlocal_OP__WC__0 4 | |
| 0008 putobject 3 | |
| 0010 opt_mod <callinfo!mid:%, argc:1, ARGS_SKIP> | |
| 0012 putobject_OP_INT2FIX_O_0_C_ | |
| 0013 opt_eq <callinfo!mid:==, argc:1, ARGS_SKIP> | |
| 0015 setlocal_OP__WC__0 3 | |
| 0017 trace 1 ( 6) | |
| 0019 trace 1 | |
| 0021 getlocal_OP__WC__0 4 | |
| 0023 putobject 5 | |
| 0025 opt_mod <callinfo!mid:%, argc:1, ARGS_SKIP> | |
| 0027 putobject_OP_INT2FIX_O_0_C_ | |
| 0028 opt_eq <callinfo!mid:==, argc:1, ARGS_SKIP> | |
| 0030 setlocal_OP__WC__0 2 | |
| 0032 trace 1 ( 17) | |
| 0034 getlocal_OP__WC__0 3 ( 9) | |
| 0036 dup | |
| 0037 branchunless 42 | |
| 0039 pop | |
| 0040 getlocal_OP__WC__0 2 | |
| 0042 branchif 61 | |
| 0044 getlocal_OP__WC__0 3 ( 11) | |
| 0046 branchif 70 | |
| 0048 getlocal_OP__WC__0 2 ( 13) | |
| 0050 branchif 79 | |
| 0052 trace 1 ( 16) | |
| 0054 putself | |
| 0055 getlocal_OP__WC__0 4 | |
| 0057 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0059 jump 86 ( 17) | |
| 0061 trace 1 ( 10) | |
| 0063 putself | |
| 0064 putstring "FizzBuzz" | |
| 0066 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0068 jump 86 ( 17) | |
| 0070 trace 1 ( 12) | |
| 0072 putself | |
| 0073 putstring "Fizz" | |
| 0075 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0077 jump 86 ( 17) | |
| 0079 trace 1 ( 14) | |
| 0081 putself | |
| 0082 putstring "Buzz" | |
| 0084 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0086 trace 512 ( 18) | |
| 0088 leave ( 16) | |
| super_fizzbuzz | |
| == disasm: <RubyVM::InstructionSequence:[email protected]>===== | |
| == catch table | |
| | catch type: break st: 0004 ed: 0008 sp: 0000 cont: 0008 | |
| |------------------------------------------------------------------------ | |
| local table (size: 2, argc: 1 [opts: 0, rest: -1, post: 0, block: -1] s1) | |
| [ 2] array<Arg> | |
| 0000 trace 8 ( 25) | |
| 0002 trace 1 ( 26) | |
| 0004 getlocal_OP__WC__0 2 | |
| 0006 send <callinfo!mid:map!, argc:0, block:block in super_fizzbuzz> | |
| 0008 trace 16 ( 37) | |
| 0010 leave ( 26) | |
| == disasm: <RubyVM::InstructionSequence:block in [email protected]> | |
| == catch table | |
| | catch type: redo st: 0000 ed: 0086 sp: 0000 cont: 0000 | |
| | catch type: next st: 0000 ed: 0086 sp: 0000 cont: 0086 | |
| |------------------------------------------------------------------------ | |
| local table (size: 2, argc: 1 [opts: 0, rest: -1, post: 0, block: -1] s3) | |
| [ 2] element<Arg> | |
| 0000 trace 256 ( 26) | |
| 0002 trace 1 ( 27) | |
| 0004 getlocal_OP__WC__0 2 | |
| 0006 putobject 3 | |
| 0008 opt_mod <callinfo!mid:%, argc:1, ARGS_SKIP> | |
| 0010 putobject_OP_INT2FIX_O_0_C_ | |
| 0011 opt_eq <callinfo!mid:==, argc:1, ARGS_SKIP> | |
| 0013 branchunless 35 | |
| 0015 getlocal_OP__WC__0 2 | |
| 0017 putobject 5 | |
| 0019 opt_mod <callinfo!mid:%, argc:1, ARGS_SKIP> | |
| 0021 putobject_OP_INT2FIX_O_0_C_ | |
| 0022 opt_eq <callinfo!mid:==, argc:1, ARGS_SKIP> | |
| 0024 branchunless 35 | |
| 0026 trace 1 ( 28) | |
| 0028 putself | |
| 0029 putstring "FizzBuzz" | |
| 0031 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0033 jump 86 ( 27) | |
| 0035 trace 1 ( 29) | |
| 0037 getlocal_OP__WC__0 2 | |
| 0039 putobject 3 | |
| 0041 opt_mod <callinfo!mid:%, argc:1, ARGS_SKIP> | |
| 0043 putobject_OP_INT2FIX_O_0_C_ | |
| 0044 opt_eq <callinfo!mid:==, argc:1, ARGS_SKIP> | |
| 0046 branchunless 57 | |
| 0048 trace 1 ( 30) | |
| 0050 putself | |
| 0051 putstring "Fizz" | |
| 0053 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0055 jump 86 ( 29) | |
| 0057 trace 1 ( 31) | |
| 0059 getlocal_OP__WC__0 2 | |
| 0061 putobject 5 | |
| 0063 opt_mod <callinfo!mid:%, argc:1, ARGS_SKIP> | |
| 0065 putobject_OP_INT2FIX_O_0_C_ | |
| 0066 opt_eq <callinfo!mid:==, argc:1, ARGS_SKIP> | |
| 0068 branchunless 79 | |
| 0070 trace 1 ( 32) | |
| 0072 putself | |
| 0073 putstring "Buzz" | |
| 0075 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0077 jump 86 ( 31) | |
| 0079 trace 1 ( 34) | |
| 0081 putself | |
| 0082 getlocal_OP__WC__0 2 | |
| 0084 opt_send_simple <callinfo!mid:puts, argc:1, FCALL|ARGS_SKIP> | |
| 0086 trace 512 ( 36) | |
| 0088 leave ( 34) | |
| ➜ Desktop |
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