mirror of https://github.com/python/cpython
352 lines
9.2 KiB
Python
352 lines
9.2 KiB
Python
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"""
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opcode module - potentially shared between dis and other modules which
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operate on bytecodes (e.g. peephole optimizers).
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"""
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__all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs",
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"haslocal", "hascompare", "hasfree", "opname", "opmap",
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"HAVE_ARGUMENT", "EXTENDED_ARG", "hasnargs"]
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# It's a chicken-and-egg I'm afraid:
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# We're imported before _opcode's made.
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# With exception unheeded
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# (stack_effect is not needed)
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# Both our chickens and eggs are allayed.
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# --Larry Hastings, 2013/11/23
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try:
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from _opcode import stack_effect
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__all__.append('stack_effect')
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except ImportError:
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pass
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cmp_op = ('<', '<=', '==', '!=', '>', '>=')
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hasconst = []
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hasname = []
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hasjrel = []
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hasjabs = []
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haslocal = []
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hascompare = []
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hasfree = []
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hasnargs = [] # unused
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opmap = {}
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opname = ['<%r>' % (op,) for op in range(256)]
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_inline_cache_entries = [0] * 256
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def def_op(name, op, entries=0):
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opname[op] = name
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opmap[name] = op
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_inline_cache_entries[op] = entries
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def name_op(name, op, entries=0):
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def_op(name, op, entries)
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hasname.append(op)
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def jrel_op(name, op, entries=0):
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def_op(name, op, entries)
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hasjrel.append(op)
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def jabs_op(name, op, entries=0):
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def_op(name, op, entries)
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hasjabs.append(op)
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# Instruction opcodes for compiled code
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# Blank lines correspond to available opcodes
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def_op('CACHE', 0)
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def_op('POP_TOP', 1)
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def_op('PUSH_NULL', 2)
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def_op('NOP', 9)
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def_op('UNARY_POSITIVE', 10)
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def_op('UNARY_NEGATIVE', 11)
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def_op('UNARY_NOT', 12)
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def_op('UNARY_INVERT', 15)
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def_op('BINARY_SUBSCR', 25, 4)
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def_op('GET_LEN', 30)
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def_op('MATCH_MAPPING', 31)
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def_op('MATCH_SEQUENCE', 32)
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def_op('MATCH_KEYS', 33)
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def_op('PUSH_EXC_INFO', 35)
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def_op('CHECK_EXC_MATCH', 36)
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def_op('CHECK_EG_MATCH', 37)
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def_op('WITH_EXCEPT_START', 49)
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def_op('GET_AITER', 50)
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def_op('GET_ANEXT', 51)
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def_op('BEFORE_ASYNC_WITH', 52)
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def_op('BEFORE_WITH', 53)
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def_op('END_ASYNC_FOR', 54)
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def_op('STORE_SUBSCR', 60, 1)
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def_op('DELETE_SUBSCR', 61)
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def_op('GET_ITER', 68)
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def_op('GET_YIELD_FROM_ITER', 69)
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def_op('PRINT_EXPR', 70)
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def_op('LOAD_BUILD_CLASS', 71)
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def_op('LOAD_ASSERTION_ERROR', 74)
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def_op('RETURN_GENERATOR', 75)
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def_op('LIST_TO_TUPLE', 82)
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def_op('RETURN_VALUE', 83)
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def_op('IMPORT_STAR', 84)
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def_op('SETUP_ANNOTATIONS', 85)
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def_op('YIELD_VALUE', 86)
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def_op('ASYNC_GEN_WRAP', 87)
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def_op('PREP_RERAISE_STAR', 88)
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def_op('POP_EXCEPT', 89)
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HAVE_ARGUMENT = 90 # Opcodes from here have an argument:
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name_op('STORE_NAME', 90) # Index in name list
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name_op('DELETE_NAME', 91) # ""
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def_op('UNPACK_SEQUENCE', 92, 1) # Number of tuple items
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jrel_op('FOR_ITER', 93)
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def_op('UNPACK_EX', 94)
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name_op('STORE_ATTR', 95, 4) # Index in name list
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name_op('DELETE_ATTR', 96) # ""
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name_op('STORE_GLOBAL', 97) # ""
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name_op('DELETE_GLOBAL', 98) # ""
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def_op('SWAP', 99)
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def_op('LOAD_CONST', 100) # Index in const list
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hasconst.append(100)
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name_op('LOAD_NAME', 101) # Index in name list
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def_op('BUILD_TUPLE', 102) # Number of tuple items
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def_op('BUILD_LIST', 103) # Number of list items
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def_op('BUILD_SET', 104) # Number of set items
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def_op('BUILD_MAP', 105) # Number of dict entries
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name_op('LOAD_ATTR', 106, 4) # Index in name list
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def_op('COMPARE_OP', 107, 2) # Comparison operator
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hascompare.append(107)
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name_op('IMPORT_NAME', 108) # Index in name list
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name_op('IMPORT_FROM', 109) # Index in name list
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jrel_op('JUMP_FORWARD', 110) # Number of words to skip
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jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code
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jabs_op('JUMP_IF_TRUE_OR_POP', 112) # ""
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jrel_op('POP_JUMP_FORWARD_IF_FALSE', 114)
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jrel_op('POP_JUMP_FORWARD_IF_TRUE', 115)
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name_op('LOAD_GLOBAL', 116, 5) # Index in name list
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def_op('IS_OP', 117)
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def_op('CONTAINS_OP', 118)
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def_op('RERAISE', 119)
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def_op('COPY', 120)
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def_op('BINARY_OP', 122, 1)
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jrel_op('SEND', 123) # Number of bytes to skip
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def_op('LOAD_FAST', 124) # Local variable number
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haslocal.append(124)
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def_op('STORE_FAST', 125) # Local variable number
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haslocal.append(125)
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def_op('DELETE_FAST', 126) # Local variable number
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haslocal.append(126)
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jrel_op('POP_JUMP_FORWARD_IF_NOT_NONE', 128)
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jrel_op('POP_JUMP_FORWARD_IF_NONE', 129)
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def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)
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def_op('GET_AWAITABLE', 131)
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def_op('MAKE_FUNCTION', 132) # Flags
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def_op('BUILD_SLICE', 133) # Number of items
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jrel_op('JUMP_BACKWARD_NO_INTERRUPT', 134) # Number of words to skip (backwards)
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def_op('MAKE_CELL', 135)
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hasfree.append(135)
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def_op('LOAD_CLOSURE', 136)
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hasfree.append(136)
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def_op('LOAD_DEREF', 137)
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hasfree.append(137)
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def_op('STORE_DEREF', 138)
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hasfree.append(138)
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def_op('DELETE_DEREF', 139)
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hasfree.append(139)
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jrel_op('JUMP_BACKWARD', 140) # Number of words to skip (backwards)
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def_op('CALL_FUNCTION_EX', 142) # Flags
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def_op('EXTENDED_ARG', 144)
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EXTENDED_ARG = 144
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def_op('LIST_APPEND', 145)
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def_op('SET_ADD', 146)
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def_op('MAP_ADD', 147)
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def_op('LOAD_CLASSDEREF', 148)
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hasfree.append(148)
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def_op('COPY_FREE_VARS', 149)
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def_op('RESUME', 151)
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def_op('MATCH_CLASS', 152)
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def_op('FORMAT_VALUE', 155)
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def_op('BUILD_CONST_KEY_MAP', 156)
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def_op('BUILD_STRING', 157)
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name_op('LOAD_METHOD', 160, 10)
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def_op('LIST_EXTEND', 162)
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def_op('SET_UPDATE', 163)
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def_op('DICT_MERGE', 164)
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def_op('DICT_UPDATE', 165)
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def_op('PRECALL', 166, 1)
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def_op('CALL', 171, 4)
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def_op('KW_NAMES', 172)
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hasconst.append(172)
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jrel_op('POP_JUMP_BACKWARD_IF_NOT_NONE', 173)
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jrel_op('POP_JUMP_BACKWARD_IF_NONE', 174)
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jrel_op('POP_JUMP_BACKWARD_IF_FALSE', 175)
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jrel_op('POP_JUMP_BACKWARD_IF_TRUE', 176)
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del def_op, name_op, jrel_op, jabs_op
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_nb_ops = [
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("NB_ADD", "+"),
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("NB_AND", "&"),
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("NB_FLOOR_DIVIDE", "//"),
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("NB_LSHIFT", "<<"),
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("NB_MATRIX_MULTIPLY", "@"),
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("NB_MULTIPLY", "*"),
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("NB_REMAINDER", "%"),
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("NB_OR", "|"),
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("NB_POWER", "**"),
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("NB_RSHIFT", ">>"),
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("NB_SUBTRACT", "-"),
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("NB_TRUE_DIVIDE", "/"),
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("NB_XOR", "^"),
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("NB_INPLACE_ADD", "+="),
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("NB_INPLACE_AND", "&="),
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("NB_INPLACE_FLOOR_DIVIDE", "//="),
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("NB_INPLACE_LSHIFT", "<<="),
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("NB_INPLACE_MATRIX_MULTIPLY", "@="),
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("NB_INPLACE_MULTIPLY", "*="),
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("NB_INPLACE_REMAINDER", "%="),
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("NB_INPLACE_OR", "|="),
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("NB_INPLACE_POWER", "**="),
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("NB_INPLACE_RSHIFT", ">>="),
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("NB_INPLACE_SUBTRACT", "-="),
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("NB_INPLACE_TRUE_DIVIDE", "/="),
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("NB_INPLACE_XOR", "^="),
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]
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_specializations = {
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"BINARY_OP": [
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"BINARY_OP_ADAPTIVE",
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"BINARY_OP_ADD_FLOAT",
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"BINARY_OP_ADD_INT",
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"BINARY_OP_ADD_UNICODE",
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"BINARY_OP_INPLACE_ADD_UNICODE",
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"BINARY_OP_MULTIPLY_FLOAT",
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"BINARY_OP_MULTIPLY_INT",
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"BINARY_OP_SUBTRACT_FLOAT",
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"BINARY_OP_SUBTRACT_INT",
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],
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"BINARY_SUBSCR": [
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"BINARY_SUBSCR_ADAPTIVE",
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"BINARY_SUBSCR_DICT",
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"BINARY_SUBSCR_GETITEM",
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"BINARY_SUBSCR_LIST_INT",
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"BINARY_SUBSCR_TUPLE_INT",
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],
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"CALL": [
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"CALL_ADAPTIVE",
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"CALL_PY_EXACT_ARGS",
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"CALL_PY_WITH_DEFAULTS",
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],
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"COMPARE_OP": [
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"COMPARE_OP_ADAPTIVE",
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"COMPARE_OP_FLOAT_JUMP",
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"COMPARE_OP_INT_JUMP",
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"COMPARE_OP_STR_JUMP",
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],
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"JUMP_BACKWARD": [
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"JUMP_BACKWARD_QUICK",
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],
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"LOAD_ATTR": [
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"LOAD_ATTR_ADAPTIVE",
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"LOAD_ATTR_INSTANCE_VALUE",
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"LOAD_ATTR_MODULE",
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"LOAD_ATTR_SLOT",
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"LOAD_ATTR_WITH_HINT",
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],
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"LOAD_CONST": [
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"LOAD_CONST__LOAD_FAST",
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],
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"LOAD_FAST": [
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"LOAD_FAST__LOAD_CONST",
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"LOAD_FAST__LOAD_FAST",
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],
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"LOAD_GLOBAL": [
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"LOAD_GLOBAL_ADAPTIVE",
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"LOAD_GLOBAL_BUILTIN",
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"LOAD_GLOBAL_MODULE",
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],
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"LOAD_METHOD": [
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"LOAD_METHOD_ADAPTIVE",
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"LOAD_METHOD_CLASS",
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"LOAD_METHOD_MODULE",
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"LOAD_METHOD_NO_DICT",
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"LOAD_METHOD_WITH_DICT",
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"LOAD_METHOD_WITH_VALUES",
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],
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"PRECALL": [
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"PRECALL_ADAPTIVE",
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"PRECALL_BOUND_METHOD",
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"PRECALL_BUILTIN_CLASS",
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"PRECALL_BUILTIN_FAST_WITH_KEYWORDS",
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"PRECALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS",
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"PRECALL_NO_KW_BUILTIN_FAST",
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"PRECALL_NO_KW_BUILTIN_O",
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"PRECALL_NO_KW_ISINSTANCE",
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"PRECALL_NO_KW_LEN",
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"PRECALL_NO_KW_LIST_APPEND",
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"PRECALL_NO_KW_METHOD_DESCRIPTOR_FAST",
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"PRECALL_NO_KW_METHOD_DESCRIPTOR_NOARGS",
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"PRECALL_NO_KW_METHOD_DESCRIPTOR_O",
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"PRECALL_NO_KW_STR_1",
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"PRECALL_NO_KW_TUPLE_1",
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"PRECALL_NO_KW_TYPE_1",
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"PRECALL_PYFUNC",
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],
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"RESUME": [
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"RESUME_QUICK",
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],
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"STORE_ATTR": [
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"STORE_ATTR_ADAPTIVE",
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"STORE_ATTR_INSTANCE_VALUE",
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"STORE_ATTR_SLOT",
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"STORE_ATTR_WITH_HINT",
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],
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"STORE_FAST": [
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"STORE_FAST__LOAD_FAST",
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"STORE_FAST__STORE_FAST",
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],
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"STORE_SUBSCR": [
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"STORE_SUBSCR_ADAPTIVE",
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"STORE_SUBSCR_DICT",
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"STORE_SUBSCR_LIST_INT",
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],
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"UNPACK_SEQUENCE": [
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"UNPACK_SEQUENCE_ADAPTIVE",
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"UNPACK_SEQUENCE_LIST",
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"UNPACK_SEQUENCE_TUPLE",
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"UNPACK_SEQUENCE_TWO_TUPLE",
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],
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}
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_specialized_instructions = [
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opcode for family in _specializations.values() for opcode in family
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]
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_specialization_stats = [
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"success",
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"failure",
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"hit",
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"deferred",
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"miss",
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"deopt",
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]
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