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192 lines
6.0 KiB
Python
Executable File
192 lines
6.0 KiB
Python
Executable File
'''
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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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cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is',
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'is not', 'exception match', 'BAD')
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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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PJIF = PJIT = JA = JF = 0
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opmap = {}
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opname = [''] * 256
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for op in range(256): opname[op] = '<%r>' % (op,)
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del op
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def def_op(name, op):
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opname[op] = name
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opmap[name] = op
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globals().update({name: op})
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def name_op(name, op):
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def_op(name, op)
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hasname.append(op)
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def jrel_op(name, op):
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def_op(name, op)
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hasjrel.append(op)
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def jabs_op(name, op):
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def_op(name, op)
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hasjabs.append(op)
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def updateGlobal():
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globals().update({'PJIF': opmap['JUMP_IF_FALSE']})
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globals().update({'PJIT': opmap['JUMP_IF_TRUE']})
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globals().update({'JA': opmap['JUMP_ABSOLUTE']})
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globals().update({'JF': opmap['JUMP_FORWARD']})
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globals().update({k.replace('+','_'):v for (k,v) in opmap.items()})
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globals().update({'JUMP_OPs': map(lambda op: opname[op], hasjrel + hasjabs)})
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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('STOP_CODE', 0) # 0
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def_op('POP_TOP', 1) # 15
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def_op('ROT_TWO', 2) # 59
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def_op('ROT_THREE', 3) # 60
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def_op('DUP_TOP', 4) # 13
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def_op('ROT_FOUR', 5) # 49
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def_op('NOP', 9) # 53
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def_op('UNARY_POSITIVE', 10) # 48
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def_op('UNARY_NEGATIVE', 11) # 54
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def_op('UNARY_NOT', 12) # 38
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def_op('UNARY_CONVERT', 13) # 25
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def_op('UNARY_INVERT', 15) # 34
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def_op('LIST_APPEND', 18) # 68
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def_op('BINARY_POWER', 19) # 28
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def_op('BINARY_MULTIPLY', 20) # 36
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def_op('BINARY_DIVIDE', 21) # 12
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def_op('BINARY_MODULO', 22) # 41
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def_op('BINARY_ADD', 23) # 52
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def_op('BINARY_SUBTRACT', 24) # 55
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def_op('BINARY_SUBSCR', 25) # 4
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def_op('BINARY_FLOOR_DIVIDE', 26) # 43
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def_op('BINARY_TRUE_DIVIDE', 27) # 5
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def_op('INPLACE_FLOOR_DIVIDE', 28) # 32
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def_op('INPLACE_TRUE_DIVIDE', 29) # 30
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def_op('SLICE+0', 30) # 16
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def_op('SLICE+1', 31) # 17
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def_op('SLICE+2', 32) # 18
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def_op('SLICE+3', 33) # 19
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def_op('STORE_SLICE+0', 40) # 61
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def_op('STORE_SLICE+1', 41) # 62
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def_op('STORE_SLICE+2', 42) # 63
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def_op('STORE_SLICE+3', 43) # 64
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def_op('DELETE_SLICE+0', 50) # 44
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def_op('DELETE_SLICE+1', 51) # 45
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def_op('DELETE_SLICE+2', 52) # 46
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def_op('DELETE_SLICE+3', 53) # 47
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def_op('INPLACE_ADD', 55) # 6
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def_op('INPLACE_SUBTRACT', 56) # 29
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def_op('INPLACE_MULTIPLY', 57) # 8
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def_op('INPLACE_DIVIDE', 58) # 27
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def_op('INPLACE_MODULO', 59) # 3
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def_op('STORE_SUBSCR', 60) # 31
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def_op('DELETE_SUBSCR', 61) # 69
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def_op('BINARY_LSHIFT', 62) # 7
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def_op('BINARY_RSHIFT', 63) # 22
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def_op('BINARY_AND', 64) # 50
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def_op('BINARY_XOR', 65) # 21
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def_op('BINARY_OR', 66) # 2
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def_op('INPLACE_POWER', 67) # 57
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def_op('GET_ITER', 68) # 39
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def_op('PRINT_EXPR', 70) # 20
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def_op('PRINT_ITEM', 71) # 9
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def_op('PRINT_NEWLINE', 72) # 14
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def_op('PRINT_ITEM_TO', 73) # 33
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def_op('PRINT_NEWLINE_TO', 74) # 35
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def_op('INPLACE_LSHIFT', 75) # 11
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def_op('INPLACE_RSHIFT', 76) # 58
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def_op('INPLACE_AND', 77) # 24
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def_op('INPLACE_XOR', 78) # 23
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def_op('INPLACE_OR', 79) # 10
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def_op('BREAK_LOOP', 80) # 40
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def_op('WITH_CLEANUP', 81) # 37
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def_op('LOAD_LOCALS', 82) # 51
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def_op('RETURN_VALUE', 83) # 66
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def_op('IMPORT_STAR', 84) # 56
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def_op('EXEC_STMT', 85) # 65
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def_op('YIELD_VALUE', 86) # 26
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def_op('POP_BLOCK', 87) # 1
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def_op('END_FINALLY', 88) # 67
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def_op('BUILD_CLASS', 89) # 42
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HAVE_ARGUMENT = 90 # 70 # Opcodes from here have an argument:
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name_op('STORE_NAME', 90) # 95 # Index in name list
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name_op('DELETE_NAME', 91) # 94 # ""
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def_op('UNPACK_SEQUENCE', 92) # 93 # Number of tuple items
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jrel_op('FOR_ITER', 93) # 81
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name_op('STORE_ATTR', 95) # 84 # Index in name list
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name_op('DELETE_ATTR', 96) # 87 # ""
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name_op('STORE_GLOBAL', 97) # 105 # ""
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name_op('DELETE_GLOBAL', 98) # 98 # ""
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def_op('DUP_TOPX', 99) # 104 # number of items to duplicate
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def_op('LOAD_CONST', 100) # 72 # Index in const list
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hasconst.append(100) # 72
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name_op('LOAD_NAME', 101) # 79 # Index in name list
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def_op('BUILD_TUPLE', 102) # 80 # Number of tuple items
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def_op('BUILD_LIST', 103) # 107 # Number of list items
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def_op('BUILD_MAP', 104) # 78 # Always zero for now
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name_op('LOAD_ATTR', 105) # 86 # Index in name list
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def_op('COMPARE_OP', 106) # 101 # Comparison operator
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hascompare.append(106) # 101
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name_op('IMPORT_NAME', 107) # 88 # Index in name list
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name_op('IMPORT_FROM', 108) # 89 # Index in name list
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jrel_op('JUMP_FORWARD', 110) # 73 # Number of bytes to skip
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jabs_op('JUMP_IF_FALSE', 111) # 83 # ""
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jabs_op('JUMP_IF_TRUE', 112) # 90 # ""
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jabs_op('JUMP_ABSOLUTE', 113) # 103 # Target byte offset from beginning of code
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name_op('LOAD_GLOBAL', 116) # 70 # Index in name list
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jabs_op('CONTINUE_LOOP', 119) # 96 # Target address
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jrel_op('SETUP_LOOP', 120) # 74 # Distance to target address
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jrel_op('SETUP_EXCEPT', 121) # 75 # ""
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jrel_op('SETUP_FINALLY', 122) # 106 # ""
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def_op('LOAD_FAST', 124) # 92 # Local variable number
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haslocal.append(124) # 92
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def_op('STORE_FAST', 125) # 82 # Local variable number
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haslocal.append(125) # 82
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def_op('DELETE_FAST', 126) # 71 # Local variable number
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haslocal.append(126) # 71
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def_op('RAISE_VARARGS', 130) # 91 # Number of raise arguments (1, 2, or 3)
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def_op('CALL_FUNCTION', 131) # 102 # #args + (#kwargs << 8)
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def_op('MAKE_FUNCTION', 132) # 76 # Number of args with default values
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def_op('BUILD_SLICE', 133) # 77 # Number of items
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def_op('MAKE_CLOSURE', 134) # 85
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def_op('LOAD_CLOSURE', 135) # 97
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hasfree.append(135) # 97
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def_op('LOAD_DEREF', 136) # 99
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hasfree.append(136) # 99
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def_op('STORE_DEREF', 137) # 100
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hasfree.append(137) # 100
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def_op('CALL_FUNCTION_VAR', 140) # 111 # #args + (#kwargs << 8)
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def_op('CALL_FUNCTION_KW', 141) # 112 # #args + (#kwargs << 8)
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def_op('CALL_FUNCTION_VAR_KW', 142) # 113 # #args + (#kwargs << 8)
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def_op('EXTENDED_ARG', 143) # 114
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EXTENDED_ARG = 143 # 114
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updateGlobal()
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del def_op, name_op, jrel_op, jabs_op
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