Created
July 10, 2014 12:11
-
-
Save cedricporter/93e4ed5026d4e99d7364 to your computer and use it in GitHub Desktop.
Revisions
-
cedricporter created this gist
Jul 10, 2014 .There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,195 @@ """ opcode module - potentially shared between dis and other modules which operate on bytecodes (e.g. peephole optimizers). """ __all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs", "haslocal", "hascompare", "hasfree", "opname", "opmap", "HAVE_ARGUMENT", "EXTENDED_ARG"] cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is', 'is not', 'exception match', 'BAD') hasconst = [] hasname = [] hasjrel = [] hasjabs = [] haslocal = [] hascompare = [] hasfree = [] opmap = {} opname = [''] * 256 for op in range(256): opname[op] = '<%r>' % (op,) del op def def_op(name, op): print '(replace-string "[opcode: %d]" "[opcode: %d %s]")' % (op, op, name) opname[op] = name opmap[name] = op def name_op(name, op): def_op(name, op) hasname.append(op) def jrel_op(name, op): def_op(name, op) hasjrel.append(op) def jabs_op(name, op): def_op(name, op) hasjabs.append(op) # Instruction opcodes for compiled code # Blank lines correspond to available opcodes def_op('STOP_CODE', 0) def_op('POP_TOP', 1) def_op('ROT_TWO', 2) def_op('ROT_THREE', 3) def_op('DUP_TOP', 4) def_op('ROT_FOUR', 5) def_op('NOP', 9) def_op('UNARY_POSITIVE', 10) def_op('UNARY_NEGATIVE', 11) def_op('UNARY_NOT', 12) def_op('UNARY_CONVERT', 13) def_op('UNARY_INVERT', 15) def_op('BINARY_POWER', 19) def_op('BINARY_MULTIPLY', 20) def_op('BINARY_DIVIDE', 21) def_op('BINARY_MODULO', 22) def_op('BINARY_ADD', 23) def_op('BINARY_SUBTRACT', 24) def_op('BINARY_SUBSCR', 25) def_op('BINARY_FLOOR_DIVIDE', 26) def_op('BINARY_TRUE_DIVIDE', 27) def_op('INPLACE_FLOOR_DIVIDE', 28) def_op('INPLACE_TRUE_DIVIDE', 29) def_op('SLICE+0', 30) def_op('SLICE+1', 31) def_op('SLICE+2', 32) def_op('SLICE+3', 33) def_op('STORE_SLICE+0', 40) def_op('STORE_SLICE+1', 41) def_op('STORE_SLICE+2', 42) def_op('STORE_SLICE+3', 43) def_op('DELETE_SLICE+0', 50) def_op('DELETE_SLICE+1', 51) def_op('DELETE_SLICE+2', 52) def_op('DELETE_SLICE+3', 53) def_op('STORE_MAP', 54) def_op('INPLACE_ADD', 55) def_op('INPLACE_SUBTRACT', 56) def_op('INPLACE_MULTIPLY', 57) def_op('INPLACE_DIVIDE', 58) def_op('INPLACE_MODULO', 59) def_op('STORE_SUBSCR', 60) def_op('DELETE_SUBSCR', 61) def_op('BINARY_LSHIFT', 62) def_op('BINARY_RSHIFT', 63) def_op('BINARY_AND', 64) def_op('BINARY_XOR', 65) def_op('BINARY_OR', 66) def_op('INPLACE_POWER', 67) def_op('GET_ITER', 68) def_op('PRINT_EXPR', 70) def_op('PRINT_ITEM', 71) def_op('PRINT_NEWLINE', 72) def_op('PRINT_ITEM_TO', 73) def_op('PRINT_NEWLINE_TO', 74) def_op('INPLACE_LSHIFT', 75) def_op('INPLACE_RSHIFT', 76) def_op('INPLACE_AND', 77) def_op('INPLACE_XOR', 78) def_op('INPLACE_OR', 79) def_op('BREAK_LOOP', 80) def_op('WITH_CLEANUP', 81) def_op('LOAD_LOCALS', 82) def_op('RETURN_VALUE', 83) def_op('IMPORT_STAR', 84) def_op('EXEC_STMT', 85) def_op('YIELD_VALUE', 86) def_op('POP_BLOCK', 87) def_op('END_FINALLY', 88) def_op('BUILD_CLASS', 89) HAVE_ARGUMENT = 90 # Opcodes from here have an argument: name_op('STORE_NAME', 90) # Index in name list name_op('DELETE_NAME', 91) # "" def_op('UNPACK_SEQUENCE', 92) # Number of tuple items jrel_op('FOR_ITER', 93) def_op('LIST_APPEND', 94) name_op('STORE_ATTR', 95) # Index in name list name_op('DELETE_ATTR', 96) # "" name_op('STORE_GLOBAL', 97) # "" name_op('DELETE_GLOBAL', 98) # "" def_op('DUP_TOPX', 99) # number of items to duplicate def_op('LOAD_CONST', 100) # Index in const list hasconst.append(100) name_op('LOAD_NAME', 101) # Index in name list def_op('BUILD_TUPLE', 102) # Number of tuple items def_op('BUILD_LIST', 103) # Number of list items def_op('BUILD_SET', 104) # Number of set items def_op('BUILD_MAP', 105) # Number of dict entries (upto 255) name_op('LOAD_ATTR', 106) # Index in name list def_op('COMPARE_OP', 107) # Comparison operator hascompare.append(107) name_op('IMPORT_NAME', 108) # Index in name list name_op('IMPORT_FROM', 109) # Index in name list jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code jabs_op('JUMP_IF_TRUE_OR_POP', 112) # "" jabs_op('JUMP_ABSOLUTE', 113) # "" jabs_op('POP_JUMP_IF_FALSE', 114) # "" jabs_op('POP_JUMP_IF_TRUE', 115) # "" name_op('LOAD_GLOBAL', 116) # Index in name list jabs_op('CONTINUE_LOOP', 119) # Target address jrel_op('SETUP_LOOP', 120) # Distance to target address jrel_op('SETUP_EXCEPT', 121) # "" jrel_op('SETUP_FINALLY', 122) # "" def_op('LOAD_FAST', 124) # Local variable number haslocal.append(124) def_op('STORE_FAST', 125) # Local variable number haslocal.append(125) def_op('DELETE_FAST', 126) # Local variable number haslocal.append(126) def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3) def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8) def_op('MAKE_FUNCTION', 132) # Number of args with default values def_op('BUILD_SLICE', 133) # Number of items def_op('MAKE_CLOSURE', 134) def_op('LOAD_CLOSURE', 135) hasfree.append(135) def_op('LOAD_DEREF', 136) hasfree.append(136) def_op('STORE_DEREF', 137) hasfree.append(137) def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8) def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8) def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8) jrel_op('SETUP_WITH', 143) def_op('EXTENDED_ARG', 145) EXTENDED_ARG = 145 def_op('SET_ADD', 146) def_op('MAP_ADD', 147) del def_op, name_op, jrel_op, jabs_op