diff options
Diffstat (limited to 'lib/python2.7/opcode.py')
| -rw-r--r-- | lib/python2.7/opcode.py | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/lib/python2.7/opcode.py b/lib/python2.7/opcode.py new file mode 100644 index 0000000..e403365 --- /dev/null +++ b/lib/python2.7/opcode.py @@ -0,0 +1,192 @@ + +""" +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): + 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 |