| 1 |
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| 2 | """
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| 3 | opcode module - potentially shared between dis and other modules which
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| 4 | operate on bytecodes (e.g. peephole optimizers).
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| 5 | """
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| 6 |
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| 7 | __all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs",
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| 8 | "haslocal", "hascompare", "hasfree", "opname", "opmap",
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| 9 | "HAVE_ARGUMENT", "EXTENDED_ARG"]
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| 10 |
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| 11 | cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is',
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| 12 | 'is not', 'exception match', 'BAD')
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| 13 |
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| 14 | hasconst = []
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| 15 | hasname = []
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| 16 | hasjrel = []
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| 17 | hasjabs = []
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| 18 | haslocal = []
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| 19 | hascompare = []
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| 20 | hasfree = []
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| 21 |
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| 22 | opmap = {}
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| 23 | opname = [''] * 256
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| 24 | for op in range(256): opname[op] = '<%r>' % (op,)
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| 25 | del op
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| 26 |
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| 27 | def def_op(name, op):
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| 28 | opname[op] = name
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| 29 | opmap[name] = op
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| 30 |
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| 31 | def name_op(name, op):
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| 32 | def_op(name, op)
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| 33 | hasname.append(op)
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| 34 |
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| 35 | def jrel_op(name, op):
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| 36 | def_op(name, op)
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| 37 | hasjrel.append(op)
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| 38 |
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| 39 | def jabs_op(name, op):
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| 40 | def_op(name, op)
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| 41 | hasjabs.append(op)
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| 42 |
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| 43 | # Instruction opcodes for compiled code
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| 44 | # Blank lines correspond to available opcodes
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| 45 |
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| 46 | def_op('STOP_CODE', 0)
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| 47 | def_op('POP_TOP', 1)
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| 48 | def_op('ROT_TWO', 2)
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| 49 | def_op('ROT_THREE', 3)
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| 50 | def_op('DUP_TOP', 4)
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| 51 | def_op('ROT_FOUR', 5)
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| 52 |
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| 53 | def_op('NOP', 9)
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| 54 | def_op('UNARY_POSITIVE', 10)
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| 55 | def_op('UNARY_NEGATIVE', 11)
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| 56 | def_op('UNARY_NOT', 12)
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| 57 | def_op('UNARY_CONVERT', 13)
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| 58 |
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| 59 | def_op('UNARY_INVERT', 15)
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| 60 |
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| 61 | def_op('LIST_APPEND', 18)
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| 62 | def_op('BINARY_POWER', 19)
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| 63 | def_op('BINARY_MULTIPLY', 20)
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| 64 | def_op('BINARY_DIVIDE', 21)
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| 65 | def_op('BINARY_MODULO', 22)
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| 66 | def_op('BINARY_ADD', 23)
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| 67 | def_op('BINARY_SUBTRACT', 24)
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| 68 | def_op('BINARY_SUBSCR', 25)
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| 69 | def_op('BINARY_FLOOR_DIVIDE', 26)
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| 70 | def_op('BINARY_TRUE_DIVIDE', 27)
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| 71 | def_op('INPLACE_FLOOR_DIVIDE', 28)
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| 72 | def_op('INPLACE_TRUE_DIVIDE', 29)
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| 73 | def_op('SLICE+0', 30)
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| 74 | def_op('SLICE+1', 31)
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| 75 | def_op('SLICE+2', 32)
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| 76 | def_op('SLICE+3', 33)
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| 77 |
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| 78 | def_op('STORE_SLICE+0', 40)
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| 79 | def_op('STORE_SLICE+1', 41)
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| 80 | def_op('STORE_SLICE+2', 42)
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| 81 | def_op('STORE_SLICE+3', 43)
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| 82 |
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| 83 | def_op('DELETE_SLICE+0', 50)
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| 84 | def_op('DELETE_SLICE+1', 51)
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| 85 | def_op('DELETE_SLICE+2', 52)
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| 86 | def_op('DELETE_SLICE+3', 53)
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| 87 |
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| 88 | def_op('STORE_MAP', 54)
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| 89 | def_op('INPLACE_ADD', 55)
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| 90 | def_op('INPLACE_SUBTRACT', 56)
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| 91 | def_op('INPLACE_MULTIPLY', 57)
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| 92 | def_op('INPLACE_DIVIDE', 58)
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| 93 | def_op('INPLACE_MODULO', 59)
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| 94 | def_op('STORE_SUBSCR', 60)
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| 95 | def_op('DELETE_SUBSCR', 61)
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| 96 | def_op('BINARY_LSHIFT', 62)
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| 97 | def_op('BINARY_RSHIFT', 63)
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| 98 | def_op('BINARY_AND', 64)
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| 99 | def_op('BINARY_XOR', 65)
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| 100 | def_op('BINARY_OR', 66)
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| 101 | def_op('INPLACE_POWER', 67)
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| 102 | def_op('GET_ITER', 68)
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| 103 |
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| 104 | def_op('PRINT_EXPR', 70)
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| 105 | def_op('PRINT_ITEM', 71)
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| 106 | def_op('PRINT_NEWLINE', 72)
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| 107 | def_op('PRINT_ITEM_TO', 73)
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| 108 | def_op('PRINT_NEWLINE_TO', 74)
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| 109 | def_op('INPLACE_LSHIFT', 75)
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| 110 | def_op('INPLACE_RSHIFT', 76)
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| 111 | def_op('INPLACE_AND', 77)
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| 112 | def_op('INPLACE_XOR', 78)
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| 113 | def_op('INPLACE_OR', 79)
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| 114 | def_op('BREAK_LOOP', 80)
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| 115 | def_op('WITH_CLEANUP', 81)
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| 116 | def_op('LOAD_LOCALS', 82)
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| 117 | def_op('RETURN_VALUE', 83)
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| 118 | def_op('IMPORT_STAR', 84)
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| 119 | def_op('EXEC_STMT', 85)
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| 120 | def_op('YIELD_VALUE', 86)
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| 121 | def_op('POP_BLOCK', 87)
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| 122 | def_op('END_FINALLY', 88)
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| 123 | def_op('BUILD_CLASS', 89)
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| 124 |
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| 125 | HAVE_ARGUMENT = 90 # Opcodes from here have an argument:
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| 126 |
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| 127 | name_op('STORE_NAME', 90) # Index in name list
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| 128 | name_op('DELETE_NAME', 91) # ""
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| 129 | def_op('UNPACK_SEQUENCE', 92) # Number of tuple items
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| 130 | jrel_op('FOR_ITER', 93)
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| 131 |
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| 132 | name_op('STORE_ATTR', 95) # Index in name list
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| 133 | name_op('DELETE_ATTR', 96) # ""
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| 134 | name_op('STORE_GLOBAL', 97) # ""
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| 135 | name_op('DELETE_GLOBAL', 98) # ""
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| 136 | def_op('DUP_TOPX', 99) # number of items to duplicate
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| 137 | def_op('LOAD_CONST', 100) # Index in const list
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| 138 | hasconst.append(100)
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| 139 | name_op('LOAD_NAME', 101) # Index in name list
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| 140 | def_op('BUILD_TUPLE', 102) # Number of tuple items
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| 141 | def_op('BUILD_LIST', 103) # Number of list items
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| 142 | def_op('BUILD_MAP', 104) # Number of dict entries (upto 255)
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| 143 | name_op('LOAD_ATTR', 105) # Index in name list
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| 144 | def_op('COMPARE_OP', 106) # Comparison operator
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| 145 | hascompare.append(106)
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| 146 | name_op('IMPORT_NAME', 107) # Index in name list
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| 147 | name_op('IMPORT_FROM', 108) # Index in name list
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| 148 |
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| 149 | jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip
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| 150 | jrel_op('JUMP_IF_FALSE', 111) # ""
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| 151 | jrel_op('JUMP_IF_TRUE', 112) # ""
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| 152 | jabs_op('JUMP_ABSOLUTE', 113) # Target byte offset from beginning of code
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| 153 |
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| 154 | name_op('LOAD_GLOBAL', 116) # Index in name list
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| 155 |
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| 156 | jabs_op('CONTINUE_LOOP', 119) # Target address
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| 157 | jrel_op('SETUP_LOOP', 120) # Distance to target address
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| 158 | jrel_op('SETUP_EXCEPT', 121) # ""
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| 159 | jrel_op('SETUP_FINALLY', 122) # ""
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| 160 |
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| 161 | def_op('LOAD_FAST', 124) # Local variable number
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| 162 | haslocal.append(124)
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| 163 | def_op('STORE_FAST', 125) # Local variable number
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| 164 | haslocal.append(125)
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| 165 | def_op('DELETE_FAST', 126) # Local variable number
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| 166 | haslocal.append(126)
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| 167 |
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| 168 | def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)
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| 169 | def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8)
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| 170 | def_op('MAKE_FUNCTION', 132) # Number of args with default values
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| 171 | def_op('BUILD_SLICE', 133) # Number of items
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| 172 | def_op('MAKE_CLOSURE', 134)
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| 173 | def_op('LOAD_CLOSURE', 135)
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| 174 | hasfree.append(135)
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| 175 | def_op('LOAD_DEREF', 136)
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| 176 | hasfree.append(136)
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| 177 | def_op('STORE_DEREF', 137)
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| 178 | hasfree.append(137)
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| 179 |
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| 180 | def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8)
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| 181 | def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8)
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| 182 | def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8)
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| 183 | def_op('EXTENDED_ARG', 143)
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| 184 | EXTENDED_ARG = 143
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| 185 |
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| 186 | del def_op, name_op, jrel_op, jabs_op
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