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"""
opcode module - potentially shared between dis and other modules which
operate on bytecodes (e.g. peephole optimizers).
"""
# Note that __all__ is further extended below
__all__ = ["cmp_op", "stack_effect", "hascompare"]
import _opcode
from _opcode import stack_effect
import sys
# The build uses older versions of Python which do not have _opcode_metadata
if sys.version_info[:2] >= (3, 13):
from _opcode_metadata import _specializations, _specialized_opmap
from _opcode_metadata import opmap, HAVE_ARGUMENT, MIN_INSTRUMENTED_OPCODE
EXTENDED_ARG = opmap['EXTENDED_ARG']
opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)]
for op, i in opmap.items():
opname[i] = op
__all__.extend(["opname", "opmap", "HAVE_ARGUMENT", "EXTENDED_ARG"])
cmp_op = ('<', '<=', '==', '!=', '>', '>=')
# The build uses older versions of Python which do not have _opcode.has_* functions
if sys.version_info[:2] >= (3, 13):
# These lists are documented as part of the dis module's API
hasarg = [op for op in opmap.values() if _opcode.has_arg(op)]
hasconst = [op for op in opmap.values() if _opcode.has_const(op)]
hasname = [op for op in opmap.values() if _opcode.has_name(op)]
hasjump = [op for op in opmap.values() if _opcode.has_jump(op)]
hasjrel = hasjump # for backward compatibility
hasjabs = []
hasfree = [op for op in opmap.values() if _opcode.has_free(op)]
haslocal = [op for op in opmap.values() if _opcode.has_local(op)]
hasexc = [op for op in opmap.values() if _opcode.has_exc(op)]
__all__.extend(["hasarg", "hasconst", "hasname", "hasjump", "hasjrel",
"hasjabs", "hasfree", "haslocal", "hasexc"])
_intrinsic_1_descs = _opcode.get_intrinsic1_descs()
_intrinsic_2_descs = _opcode.get_intrinsic2_descs()
hascompare = [opmap["COMPARE_OP"]]
_nb_ops = [
("NB_ADD", "+"),
("NB_AND", "&"),
("NB_FLOOR_DIVIDE", "//"),
("NB_LSHIFT", "<<"),
("NB_MATRIX_MULTIPLY", "@"),
("NB_MULTIPLY", "*"),
("NB_REMAINDER", "%"),
("NB_OR", "|"),
("NB_POWER", "**"),
("NB_RSHIFT", ">>"),
("NB_SUBTRACT", "-"),
("NB_TRUE_DIVIDE", "/"),
("NB_XOR", "^"),
("NB_INPLACE_ADD", "+="),
("NB_INPLACE_AND", "&="),
("NB_INPLACE_FLOOR_DIVIDE", "//="),
("NB_INPLACE_LSHIFT", "<<="),
("NB_INPLACE_MATRIX_MULTIPLY", "@="),
("NB_INPLACE_MULTIPLY", "*="),
("NB_INPLACE_REMAINDER", "%="),
("NB_INPLACE_OR", "|="),
("NB_INPLACE_POWER", "**="),
("NB_INPLACE_RSHIFT", ">>="),
("NB_INPLACE_SUBTRACT", "-="),
("NB_INPLACE_TRUE_DIVIDE", "/="),
("NB_INPLACE_XOR", "^="),
]
_cache_format = {
"LOAD_GLOBAL": {
"counter": 1,
"index": 1,
"module_keys_version": 1,
"builtin_keys_version": 1,
},
"BINARY_OP": {
"counter": 1,
},
"UNPACK_SEQUENCE": {
"counter": 1,
},
"COMPARE_OP": {
"counter": 1,
},
"BINARY_SUBSCR": {
"counter": 1,
},
"FOR_ITER": {
"counter": 1,
},
"LOAD_SUPER_ATTR": {
"counter": 1,
},
"LOAD_ATTR": {
"counter": 1,
"version": 2,
"keys_version": 2,
"descr": 4,
},
"STORE_ATTR": {
"counter": 1,
"version": 2,
"index": 1,
},
"CALL": {
"counter": 1,
"func_version": 2,
},
"STORE_SUBSCR": {
"counter": 1,
},
"SEND": {
"counter": 1,
},
"JUMP_BACKWARD": {
"counter": 1,
},
"TO_BOOL": {
"counter": 1,
"version": 2,
},
}
_inline_cache_entries = {
name : sum(value.values()) for (name, value) in _cache_format.items()
}
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