c8c0fd4ca3
This patch compresses the second part of the bytecode prelude which contains the source file name, function name, source-line-number mapping and cell closure information. This part of the prelude now begins with a single varible length unsigned integer which encodes 2 numbers, being the byte-size of the following 2 sections in the header: the "source info section" and the "closure section". After decoding this variable unsigned integer it's possible to skip over one or both of these sections very easily. This scheme saves about 2 bytes for most functions compared to the original format: one in the case that there are no closure cells, and one because padding was eliminated.
548 lines
11 KiB
Plaintext
548 lines
11 KiB
Plaintext
File cmdline/cmd_showbc.py, code block '<module>' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+63
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arg names:
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(N_STATE 3)
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(N_EXC_STACK 0)
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bc=0 line=1
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########
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bc=\\d\+ line=155
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00 MAKE_FUNCTION \.\+
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\\d\+ STORE_NAME f
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\\d\+ MAKE_FUNCTION \.\+
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\\d\+ STORE_NAME f
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ BUILD_TUPLE 1
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\\d\+ LOAD_NULL
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\\d\+ MAKE_FUNCTION_DEFARGS \.\+
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\\d\+ STORE_NAME f
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\\d\+ MAKE_FUNCTION \.\+
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\\d\+ STORE_NAME f
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\\d\+ LOAD_BUILD_CLASS
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\\d\+ MAKE_FUNCTION \.\+
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\\d\+ LOAD_CONST_STRING 'Class'
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\\d\+ CALL_FUNCTION n=2 nkw=0
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\\d\+ STORE_NAME Class
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\\d\+ DELETE_NAME Class
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\\d\+ MAKE_FUNCTION \.\+
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\\d\+ STORE_NAME f
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\\d\+ LOAD_CONST_NONE
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\\d\+ RETURN_VALUE
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File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+rg names:
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(N_STATE 22)
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(N_EXC_STACK 2)
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(INIT_CELL 14)
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(INIT_CELL 15)
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(INIT_CELL 16)
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bc=0 line=1
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########
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bc=\\d\+ line=126
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00 LOAD_CONST_NONE
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01 LOAD_CONST_FALSE
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02 BINARY_OP 27 __add__
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03 LOAD_CONST_TRUE
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04 BINARY_OP 27 __add__
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05 STORE_FAST 0
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06 LOAD_CONST_SMALL_INT 0
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07 STORE_FAST 0
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08 LOAD_CONST_SMALL_INT 1000
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11 STORE_FAST 0
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12 LOAD_CONST_SMALL_INT -1000
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15 STORE_FAST 0
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16 LOAD_CONST_SMALL_INT 1
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17 STORE_FAST 0
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18 LOAD_CONST_SMALL_INT 1
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19 LOAD_CONST_SMALL_INT 2
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20 BUILD_TUPLE 2
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22 STORE_DEREF 14
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24 LOAD_CONST_SMALL_INT 1
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25 LOAD_CONST_SMALL_INT 2
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26 BUILD_LIST 2
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28 STORE_FAST 1
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29 LOAD_CONST_SMALL_INT 1
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30 LOAD_CONST_SMALL_INT 2
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31 BUILD_SET 2
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33 STORE_FAST 2
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34 BUILD_MAP 0
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36 STORE_DEREF 15
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38 BUILD_MAP 1
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40 LOAD_CONST_SMALL_INT 2
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41 LOAD_CONST_SMALL_INT 1
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42 STORE_MAP
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43 STORE_FAST 3
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44 LOAD_CONST_STRING 'a'
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47 STORE_FAST 4
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48 LOAD_CONST_OBJ \.\+
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\\d\+ STORE_FAST 5
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ STORE_FAST 6
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\\d\+ LOAD_CONST_SMALL_INT 2
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\\d\+ STORE_FAST 7
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_DEREF 14
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58 BINARY_OP 27 __add__
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\\d\+ STORE_FAST 8
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\\d\+ LOAD_FAST 0
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\\d\+ UNARY_OP 1
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\\d\+ STORE_FAST 9
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\\d\+ LOAD_FAST 0
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\\d\+ UNARY_OP 3
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\\d\+ STORE_FAST 10
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_DEREF 14
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\\d\+ DUP_TOP
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\\d\+ ROT_THREE
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\\d\+ BINARY_OP 2 __eq__
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\\d\+ JUMP_IF_FALSE_OR_POP \\d\+
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\\d\+ LOAD_FAST 1
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\\d\+ BINARY_OP 2 __eq__
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\\d\+ JUMP \\d\+
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\\d\+ ROT_TWO
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\\d\+ POP_TOP
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\\d\+ STORE_FAST 10
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_DEREF 14
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\\d\+ BINARY_OP 2 __eq__
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\\d\+ JUMP_IF_FALSE_OR_POP \\d\+
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_FAST 1
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\\d\+ BINARY_OP 2 __eq__
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\\d\+ UNARY_OP 3
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\\d\+ STORE_FAST 10
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_ATTR c (cache=0)
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\\d\+ STORE_FAST 11
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\\d\+ LOAD_FAST 11
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\\d\+ LOAD_DEREF 14
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\\d\+ STORE_ATTR c (cache=0)
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_CONST_SMALL_INT 0
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\\d\+ LOAD_SUBSCR
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\\d\+ STORE_FAST 12
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\\d\+ LOAD_FAST 12
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_CONST_SMALL_INT 0
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\\d\+ STORE_SUBSCR
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_CONST_SMALL_INT 0
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\\d\+ DUP_TOP_TWO
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\\d\+ LOAD_SUBSCR
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\\d\+ LOAD_FAST 12
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\\d\+ BINARY_OP 14 __iadd__
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\\d\+ ROT_THREE
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\\d\+ STORE_SUBSCR
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_CONST_NONE
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\\d\+ LOAD_CONST_NONE
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\\d\+ BUILD_SLICE 2
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\\d\+ LOAD_SUBSCR
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_FAST 1
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\\d\+ UNPACK_SEQUENCE 2
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\\d\+ STORE_FAST 0
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\\d\+ STORE_DEREF 14
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\\d\+ LOAD_FAST 0
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\\d\+ UNPACK_EX 1
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\\d\+ STORE_FAST 0
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_FAST 0
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\\d\+ ROT_TWO
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\\d\+ STORE_FAST 0
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\\d\+ STORE_DEREF 14
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\\d\+ LOAD_FAST 1
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_FAST 0
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\\d\+ ROT_THREE
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\\d\+ ROT_TWO
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\\d\+ STORE_FAST 0
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\\d\+ STORE_DEREF 14
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\\d\+ STORE_FAST 1
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\\d\+ DELETE_FAST 0
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\\d\+ LOAD_FAST 0
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\\d\+ STORE_GLOBAL gl
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\\d\+ DELETE_GLOBAL gl
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\\d\+ LOAD_FAST 14
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\\d\+ LOAD_FAST 15
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\\d\+ MAKE_CLOSURE \.\+ 2
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\\d\+ LOAD_FAST 2
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\\d\+ GET_ITER
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\\d\+ CALL_FUNCTION n=1 nkw=0
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_FAST 14
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\\d\+ LOAD_FAST 15
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\\d\+ MAKE_CLOSURE \.\+ 2
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\\d\+ LOAD_FAST 2
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\\d\+ CALL_FUNCTION n=1 nkw=0
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_FAST 14
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\\d\+ LOAD_FAST 15
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\\d\+ MAKE_CLOSURE \.\+ 2
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\\d\+ LOAD_FAST 2
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\\d\+ CALL_FUNCTION n=1 nkw=0
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_FAST 0
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\\d\+ CALL_FUNCTION n=0 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ CALL_FUNCTION n=1 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_CONST_STRING 'b'
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ CALL_FUNCTION n=0 nkw=1
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_DEREF 14
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\\d\+ LOAD_NULL
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\\d\+ CALL_FUNCTION_VAR_KW n=0 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_METHOD b
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\\d\+ CALL_METHOD n=0 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_METHOD b
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ CALL_METHOD n=1 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_METHOD b
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\\d\+ LOAD_CONST_STRING 'c'
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ CALL_METHOD n=0 nkw=1
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_METHOD b
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\\d\+ LOAD_FAST 1
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\\d\+ LOAD_NULL
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\\d\+ CALL_METHOD_VAR_KW n=0 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ POP_JUMP_IF_FALSE \\d\+
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\\d\+ LOAD_DEREF 16
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\\d\+ POP_TOP
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\\d\+ JUMP \\d\+
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\\d\+ LOAD_GLOBAL y (cache=0)
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\\d\+ POP_TOP
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\\d\+ JUMP \\d\+
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\\d\+ LOAD_DEREF 14
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ POP_JUMP_IF_TRUE \\d\+
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\\d\+ JUMP \\d\+
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\\d\+ LOAD_DEREF 14
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\\d\+ POP_TOP
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\\d\+ LOAD_FAST 0
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\\d\+ POP_JUMP_IF_FALSE \\d\+
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\\d\+ LOAD_FAST 0
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\\d\+ JUMP_IF_TRUE_OR_POP \\d\+
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\\d\+ LOAD_FAST 0
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_DEREF 14
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\\d\+ GET_ITER_STACK
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\\d\+ FOR_ITER \\d\+
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_FAST 1
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\\d\+ POP_TOP
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\\d\+ JUMP \\d\+
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\\d\+ SETUP_FINALLY \\d\+
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\\d\+ SETUP_EXCEPT \\d\+
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\\d\+ JUMP \\d\+
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\\d\+ JUMP \\d\+
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\\d\+ LOAD_FAST 0
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\\d\+ POP_JUMP_IF_TRUE \\d\+
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\\d\+ POP_EXCEPT_JUMP \\d\+
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\\d\+ POP_TOP
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\\d\+ LOAD_DEREF 14
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\\d\+ POP_TOP
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\\d\+ POP_EXCEPT_JUMP \\d\+
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\\d\+ END_FINALLY
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\\d\+ LOAD_CONST_NONE
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\\d\+ LOAD_FAST 1
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\\d\+ POP_TOP
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\\d\+ END_FINALLY
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\\d\+ JUMP \\d\+
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\\d\+ SETUP_EXCEPT \\d\+
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\\d\+ UNWIND_JUMP \\d\+ 1
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\\d\+ POP_EXCEPT_JUMP \\d\+
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\\d\+ POP_TOP
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\\d\+ POP_EXCEPT_JUMP \\d\+
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\\d\+ END_FINALLY
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\\d\+ LOAD_FAST 0
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\\d\+ POP_JUMP_IF_TRUE \\d\+
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\\d\+ LOAD_FAST 0
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\\d\+ SETUP_WITH \\d\+
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\\d\+ POP_TOP
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\\d\+ LOAD_DEREF 14
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\\d\+ POP_TOP
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\\d\+ LOAD_CONST_NONE
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\\d\+ WITH_CLEANUP
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\\d\+ END_FINALLY
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ STORE_DEREF 16
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\\d\+ LOAD_FAST_N 16
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\\d\+ MAKE_CLOSURE \.\+ 1
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\\d\+ STORE_FAST 13
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\\d\+ LOAD_CONST_SMALL_INT 0
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\\d\+ LOAD_CONST_NONE
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\\d\+ IMPORT_NAME 'a'
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\\d\+ STORE_FAST 0
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\\d\+ LOAD_CONST_SMALL_INT 0
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\\d\+ LOAD_CONST_STRING 'b'
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\\d\+ BUILD_TUPLE 1
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\\d\+ IMPORT_NAME 'a'
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\\d\+ IMPORT_FROM 'b'
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\\d\+ STORE_DEREF 14
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\\d\+ POP_TOP
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\\d\+ LOAD_CONST_SMALL_INT 0
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\\d\+ LOAD_CONST_STRING '*'
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\\d\+ BUILD_TUPLE 1
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\\d\+ IMPORT_NAME 'a'
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\\d\+ IMPORT_STAR
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\\d\+ RAISE_LAST
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ RAISE_OBJ
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\\d\+ LOAD_CONST_NONE
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\\d\+ RETURN_VALUE
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\\d\+ LOAD_CONST_SMALL_INT 1
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\\d\+ RETURN_VALUE
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File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+rg names:
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(N_STATE 22)
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(N_EXC_STACK 0)
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bc=0 line=1
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########
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bc=\\d\+ line=132
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00 LOAD_CONST_SMALL_INT 1
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01 DUP_TOP
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02 STORE_FAST 0
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03 DUP_TOP
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04 STORE_FAST 1
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05 DUP_TOP
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06 STORE_FAST 2
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07 DUP_TOP
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08 STORE_FAST 3
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09 DUP_TOP
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10 STORE_FAST 4
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11 DUP_TOP
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12 STORE_FAST 5
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13 DUP_TOP
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14 STORE_FAST 6
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15 DUP_TOP
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16 STORE_FAST 7
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17 DUP_TOP
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18 STORE_FAST 8
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19 STORE_FAST 9
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20 LOAD_CONST_SMALL_INT 2
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21 DUP_TOP
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22 STORE_FAST 10
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23 DUP_TOP
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24 STORE_FAST 11
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25 DUP_TOP
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26 STORE_FAST 12
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27 DUP_TOP
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28 STORE_FAST 13
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29 DUP_TOP
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30 STORE_FAST 14
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31 DUP_TOP
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32 STORE_FAST 15
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33 DUP_TOP
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34 STORE_FAST_N 16
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36 DUP_TOP
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37 STORE_FAST_N 17
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39 DUP_TOP
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40 STORE_FAST_N 18
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42 STORE_FAST_N 19
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44 LOAD_FAST 9
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45 LOAD_FAST_N 19
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47 BINARY_OP 27 __add__
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48 POP_TOP
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49 LOAD_CONST_NONE
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50 RETURN_VALUE
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File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+63
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arg names: a
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(N_STATE 5)
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(N_EXC_STACK 0)
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(INIT_CELL 0)
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########
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bc=\\d\+ line=138
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00 LOAD_CONST_SMALL_INT 2
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01 BUILD_TUPLE 1
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03 LOAD_NULL
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04 LOAD_FAST 0
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05 MAKE_CLOSURE_DEFARGS \.\+ 1
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\\d\+ STORE_FAST 1
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\\d\+ LOAD_CONST_NONE
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\\d\+ RETURN_VALUE
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File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+63
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arg names:
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(N_STATE 2)
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(N_EXC_STACK 0)
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bc=0 line=1
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bc=0 line=143
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bc=3 line=144
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bc=6 line=145
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00 LOAD_CONST_NONE
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01 YIELD_VALUE
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02 POP_TOP
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03 LOAD_CONST_SMALL_INT 1
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04 YIELD_VALUE
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05 POP_TOP
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06 LOAD_CONST_SMALL_INT 1
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07 GET_ITER
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08 LOAD_CONST_NONE
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09 YIELD_FROM
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10 POP_TOP
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11 LOAD_CONST_NONE
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12 RETURN_VALUE
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File cmdline/cmd_showbc.py, code block 'Class' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+63
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arg names:
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(N_STATE 1)
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(N_EXC_STACK 0)
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bc=0 line=1
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########
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bc=13 line=149
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00 LOAD_NAME __name__ (cache=0)
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04 STORE_NAME __module__
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07 LOAD_CONST_STRING 'Class'
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10 STORE_NAME __qualname__
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13 LOAD_CONST_NONE
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14 RETURN_VALUE
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File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+63
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arg names: self
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(N_STATE 4)
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(N_EXC_STACK 0)
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bc=0 line=1
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bc=0 line=156
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00 LOAD_GLOBAL super (cache=0)
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\\d\+ LOAD_GLOBAL __class__ (cache=0)
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\\d\+ LOAD_FAST 0
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\\d\+ LOAD_SUPER_METHOD f
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\\d\+ CALL_METHOD n=0 nkw=0
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\\d\+ POP_TOP
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\\d\+ LOAD_CONST_NONE
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\\d\+ RETURN_VALUE
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File cmdline/cmd_showbc.py, code block '<genexpr>' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
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########
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\.\+63
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arg names: * * *
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(N_STATE 9)
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(N_EXC_STACK 0)
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bc=0 line=1
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bc=0 line=59
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########
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00 LOAD_NULL
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01 LOAD_FAST 2
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02 LOAD_NULL
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03 LOAD_NULL
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04 FOR_ITER 20
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07 STORE_FAST 3
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08 LOAD_DEREF 1
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10 POP_JUMP_IF_FALSE 4
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13 LOAD_DEREF 0
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15 YIELD_VALUE
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16 POP_TOP
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17 JUMP 4
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20 LOAD_CONST_NONE
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21 RETURN_VALUE
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File cmdline/cmd_showbc.py, code block '<listcomp>' (descriptor: \.\+, bytecode @\.\+ bytes)
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Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
|
|
########
|
|
\.\+63
|
|
arg names: * * *
|
|
(N_STATE 10)
|
|
(N_EXC_STACK 0)
|
|
bc=0 line=1
|
|
bc=0 line=60
|
|
########
|
|
00 BUILD_LIST 0
|
|
02 LOAD_FAST 2
|
|
03 GET_ITER_STACK
|
|
04 FOR_ITER 20
|
|
07 STORE_FAST 3
|
|
08 LOAD_DEREF 1
|
|
10 POP_JUMP_IF_FALSE 4
|
|
13 LOAD_DEREF 0
|
|
15 STORE_COMP 20
|
|
17 JUMP 4
|
|
20 RETURN_VALUE
|
|
File cmdline/cmd_showbc.py, code block '<dictcomp>' (descriptor: \.\+, bytecode @\.\+ bytes)
|
|
Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
|
|
########
|
|
\.\+63
|
|
arg names: * * *
|
|
(N_STATE 11)
|
|
(N_EXC_STACK 0)
|
|
bc=0 line=1
|
|
########
|
|
00 BUILD_MAP 0
|
|
02 LOAD_FAST 2
|
|
03 GET_ITER_STACK
|
|
04 FOR_ITER 22
|
|
07 STORE_FAST 3
|
|
08 LOAD_DEREF 1
|
|
10 POP_JUMP_IF_FALSE 4
|
|
13 LOAD_DEREF 0
|
|
15 LOAD_DEREF 0
|
|
17 STORE_COMP 25
|
|
19 JUMP 4
|
|
22 RETURN_VALUE
|
|
File cmdline/cmd_showbc.py, code block 'closure' (descriptor: \.\+, bytecode @\.\+ bytes)
|
|
Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
|
|
########
|
|
\.\+63
|
|
arg names: *
|
|
(N_STATE 4)
|
|
(N_EXC_STACK 0)
|
|
bc=0 line=1
|
|
########
|
|
bc=\\d\+ line=113
|
|
00 LOAD_DEREF 0
|
|
02 LOAD_CONST_SMALL_INT 1
|
|
03 BINARY_OP 27 __add__
|
|
04 STORE_FAST 1
|
|
05 LOAD_CONST_SMALL_INT 1
|
|
06 STORE_DEREF 0
|
|
08 DELETE_DEREF 0
|
|
10 LOAD_CONST_NONE
|
|
11 RETURN_VALUE
|
|
File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
|
|
Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
|
|
########
|
|
\.\+63
|
|
arg names: * b
|
|
(N_STATE 4)
|
|
(N_EXC_STACK 0)
|
|
bc=0 line=1
|
|
########
|
|
bc=\\d\+ line=139
|
|
00 LOAD_FAST 1
|
|
01 LOAD_DEREF 0
|
|
03 BINARY_OP 27 __add__
|
|
04 RETURN_VALUE
|
|
mem: total=\\d\+, current=\\d\+, peak=\\d\+
|
|
stack: \\d\+ out of \\d\+
|
|
GC: total: \\d\+, used: \\d\+, free: \\d\+
|
|
No. of 1-blocks: \\d\+, 2-blocks: \\d\+, max blk sz: \\d\+, max free sz: \\d\+
|