""" | |
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 |