codekingpro/portable-devtools

1 2"""3opcode module - potentially shared between dis and other modules which4operate on bytecodes (e.g. peephole optimizers).5"""6 7 8__all__ = ["cmp_op", "stack_effect", "hascompare", "opname", "opmap",9           "HAVE_ARGUMENT", "EXTENDED_ARG", "hasarg", "hasconst", "hasname",10           "hasjump", "hasjrel", "hasjabs", "hasfree", "haslocal", "hasexc"]11 12import builtins13import _opcode14from _opcode import stack_effect15 16from _opcode_metadata import (_specializations, _specialized_opmap, opmap,  # noqa: F40117                              HAVE_ARGUMENT, MIN_INSTRUMENTED_OPCODE)  # noqa: F40118EXTENDED_ARG = opmap['EXTENDED_ARG']19 20opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)]21for m in (opmap, _specialized_opmap):22    for op, i in m.items():23        opname[i] = op24 25cmp_op = ('<', '<=', '==', '!=', '>', '>=')26 27# These lists are documented as part of the dis module's API28hasarg = [op for op in opmap.values() if _opcode.has_arg(op)]29hasconst = [op for op in opmap.values() if _opcode.has_const(op)]30hasname = [op for op in opmap.values() if _opcode.has_name(op)]31hasjump = [op for op in opmap.values() if _opcode.has_jump(op)]32hasjrel = hasjump  # for backward compatibility33hasjabs = []34hasfree = [op for op in opmap.values() if _opcode.has_free(op)]35haslocal = [op for op in opmap.values() if _opcode.has_local(op)]36hasexc = [op for op in opmap.values() if _opcode.has_exc(op)]37 38 39_intrinsic_1_descs = _opcode.get_intrinsic1_descs()40_intrinsic_2_descs = _opcode.get_intrinsic2_descs()41_special_method_names = _opcode.get_special_method_names()42_common_constants = [builtins.AssertionError, builtins.NotImplementedError,43                     builtins.tuple, builtins.all, builtins.any]44_nb_ops = _opcode.get_nb_ops()45 46hascompare = [opmap["COMPARE_OP"]]47 48_cache_format = {49    "LOAD_GLOBAL": {50        "counter": 1,51        "index": 1,52        "module_keys_version": 1,53        "builtin_keys_version": 1,54    },55    "BINARY_OP": {56        "counter": 1,57        "descr": 4,58    },59    "UNPACK_SEQUENCE": {60        "counter": 1,61    },62    "COMPARE_OP": {63        "counter": 1,64    },65    "CONTAINS_OP": {66        "counter": 1,67    },68    "FOR_ITER": {69        "counter": 1,70    },71    "LOAD_SUPER_ATTR": {72        "counter": 1,73    },74    "LOAD_ATTR": {75        "counter": 1,76        "version": 2,77        "keys_version": 2,78        "descr": 4,79    },80    "STORE_ATTR": {81        "counter": 1,82        "version": 2,83        "index": 1,84    },85    "CALL": {86        "counter": 1,87        "func_version": 2,88    },89    "CALL_KW": {90        "counter": 1,91        "func_version": 2,92    },93    "STORE_SUBSCR": {94        "counter": 1,95    },96    "SEND": {97        "counter": 1,98    },99    "JUMP_BACKWARD": {100        "counter": 1,101    },102    "TO_BOOL": {103        "counter": 1,104        "version": 2,105    },106    "POP_JUMP_IF_TRUE": {107        "counter": 1,108    },109    "POP_JUMP_IF_FALSE": {110        "counter": 1,111    },112    "POP_JUMP_IF_NONE": {113        "counter": 1,114    },115    "POP_JUMP_IF_NOT_NONE": {116        "counter": 1,117    },118}119 120_inline_cache_entries = {121    name : sum(value.values()) for (name, value) in _cache_format.items()122}123