| |
| """ |
| 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", "hasnargs"] |
| |
| # It's a chicken-and-egg I'm afraid: |
| # We're imported before _opcode's made. |
| # With exception unheeded |
| # (stack_effect is not needed) |
| # Both our chickens and eggs are allayed. |
| # --Larry Hastings, 2013/11/23 |
| |
| try: |
| from _opcode import stack_effect |
| __all__.append('stack_effect') |
| except ImportError: |
| pass |
| |
| cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is', |
| 'is not', 'exception match', 'BAD') |
| |
| hasconst = [] |
| hasname = [] |
| hasjrel = [] |
| hasjabs = [] |
| haslocal = [] |
| hascompare = [] |
| hasfree = [] |
| hasnargs = [] # unused |
| |
| opmap = {} |
| opname = ['<%r>' % (op,) for op in range(256)] |
| |
| 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('POP_TOP', 1) |
| def_op('ROT_TWO', 2) |
| def_op('ROT_THREE', 3) |
| def_op('DUP_TOP', 4) |
| def_op('DUP_TOP_TWO', 5) |
| def_op('ROT_FOUR', 6) |
| |
| def_op('NOP', 9) |
| def_op('UNARY_POSITIVE', 10) |
| def_op('UNARY_NEGATIVE', 11) |
| def_op('UNARY_NOT', 12) |
| |
| def_op('UNARY_INVERT', 15) |
| |
| def_op('BINARY_MATRIX_MULTIPLY', 16) |
| def_op('INPLACE_MATRIX_MULTIPLY', 17) |
| |
| def_op('BINARY_POWER', 19) |
| def_op('BINARY_MULTIPLY', 20) |
| |
| 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('GET_AITER', 50) |
| def_op('GET_ANEXT', 51) |
| def_op('BEFORE_ASYNC_WITH', 52) |
| def_op('BEGIN_FINALLY', 53) |
| def_op('END_ASYNC_FOR', 54) |
| def_op('INPLACE_ADD', 55) |
| def_op('INPLACE_SUBTRACT', 56) |
| def_op('INPLACE_MULTIPLY', 57) |
| |
| 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('GET_YIELD_FROM_ITER', 69) |
| |
| def_op('PRINT_EXPR', 70) |
| def_op('LOAD_BUILD_CLASS', 71) |
| def_op('YIELD_FROM', 72) |
| def_op('GET_AWAITABLE', 73) |
| |
| 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('WITH_CLEANUP_START', 81) |
| def_op('WITH_CLEANUP_FINISH', 82) |
| def_op('RETURN_VALUE', 83) |
| def_op('IMPORT_STAR', 84) |
| def_op('SETUP_ANNOTATIONS', 85) |
| def_op('YIELD_VALUE', 86) |
| def_op('POP_BLOCK', 87) |
| def_op('END_FINALLY', 88) |
| def_op('POP_EXCEPT', 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('UNPACK_EX', 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('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 |
| 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 |
| |
| jrel_op('SETUP_FINALLY', 122) # Distance to target address |
| |
| 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 |
| def_op('MAKE_FUNCTION', 132) # Flags |
| def_op('BUILD_SLICE', 133) # Number of items |
| 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('DELETE_DEREF', 138) |
| hasfree.append(138) |
| |
| def_op('CALL_FUNCTION_KW', 141) # #args + #kwargs |
| def_op('CALL_FUNCTION_EX', 142) # Flags |
| |
| jrel_op('SETUP_WITH', 143) |
| |
| def_op('LIST_APPEND', 145) |
| def_op('SET_ADD', 146) |
| def_op('MAP_ADD', 147) |
| |
| def_op('LOAD_CLASSDEREF', 148) |
| hasfree.append(148) |
| |
| def_op('EXTENDED_ARG', 144) |
| EXTENDED_ARG = 144 |
| |
| def_op('BUILD_LIST_UNPACK', 149) |
| def_op('BUILD_MAP_UNPACK', 150) |
| def_op('BUILD_MAP_UNPACK_WITH_CALL', 151) |
| def_op('BUILD_TUPLE_UNPACK', 152) |
| def_op('BUILD_SET_UNPACK', 153) |
| |
| jrel_op('SETUP_ASYNC_WITH', 154) |
| |
| def_op('FORMAT_VALUE', 155) |
| def_op('BUILD_CONST_KEY_MAP', 156) |
| def_op('BUILD_STRING', 157) |
| def_op('BUILD_TUPLE_UNPACK_WITH_CALL', 158) |
| |
| name_op('LOAD_METHOD', 160) |
| def_op('CALL_METHOD', 161) |
| jrel_op('CALL_FINALLY', 162) |
| def_op('POP_FINALLY', 163) |
| |
| del def_op, name_op, jrel_op, jabs_op |