import sys
import types
-__all__ = ["dis","disassemble","distb","disco","opname","cmp_op",
- "hasconst","hasname","hasjrel","hasjabs","haslocal",
- "hascompare", "hasfree"]
+from opcode import *
+from opcode import __all__ as _opcodes_all
+
+__all__ = ["dis","disassemble","distb","disco"] + _opcodes_all
+del _opcodes_all
def dis(x=None):
"""Disassemble classes, methods, functions, or code.
for name, x1 in items:
if type(x1) in (types.MethodType,
types.FunctionType,
- types.CodeType):
+ types.CodeType,
+ types.ClassType):
print "Disassembly of %s:" % name
try:
dis(x1)
print
elif hasattr(x, 'co_code'):
disassemble(x)
+ elif isinstance(x, str):
+ disassemble_string(x)
else:
raise TypeError, \
"don't know how to disassemble %s objects" % \
print '(' + free[oparg] + ')',
print
+def disassemble_string(code, lasti=-1, varnames=None, names=None,
+ constants=None):
+ labels = findlabels(code)
+ n = len(code)
+ i = 0
+ while i < n:
+ c = code[i]
+ op = ord(c)
+ if op == opmap['SET_LINENO'] and i > 0:
+ print # Extra blank line
+ if i == lasti: print '-->',
+ else: print ' ',
+ if i in labels: print '>>',
+ else: print ' ',
+ print `i`.rjust(4),
+ print opname[op].ljust(15),
+ i = i+1
+ if op >= HAVE_ARGUMENT:
+ oparg = ord(code[i]) + ord(code[i+1])*256
+ i = i+2
+ print `oparg`.rjust(5),
+ if op in hasconst:
+ if constants:
+ print '(' + `constants[oparg]` + ')',
+ else:
+ print '(%d)'%oparg,
+ elif op in hasname:
+ if names is not None:
+ print '(' + names[oparg] + ')',
+ else:
+ print '(%d)'%oparg,
+ elif op in hasjrel:
+ print '(to ' + `i + oparg` + ')',
+ elif op in haslocal:
+ if varnames:
+ print '(' + varnames[oparg] + ')',
+ else:
+ print '(%d)' % oparg,
+ elif op in hascompare:
+ print '(' + cmp_op[oparg] + ')',
+ print
+
disco = disassemble # XXX For backwards compatibility
def findlabels(code):
labels.append(label)
return labels
-cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is',
- 'is not', 'exception match', 'BAD')
-
-hasconst = []
-hasname = []
-hasjrel = []
-hasjabs = []
-haslocal = []
-hascompare = []
-hasfree = []
-
-opname = [''] * 256
-for op in range(256): opname[op] = '<' + `op` + '>'
-del op
-
-def def_op(name, op):
- opname[op] = name
-
-def name_op(name, op):
- opname[op] = name
- hasname.append(op)
-
-def jrel_op(name, op):
- opname[op] = name
- hasjrel.append(op)
-
-def jabs_op(name, op):
- opname[op] = name
- hasjabs.append(op)
-
-# Instruction opcodes for compiled code
-
-def_op('STOP_CODE', 0)
-def_op('POP_TOP', 1)
-def_op('ROT_TWO', 2)
-def_op('ROT_THREE', 3)
-def_op('DUP_TOP', 4)
-def_op('ROT_FOUR', 5)
-
-def_op('UNARY_POSITIVE', 10)
-def_op('UNARY_NEGATIVE', 11)
-def_op('UNARY_NOT', 12)
-def_op('UNARY_CONVERT', 13)
-
-def_op('UNARY_INVERT', 15)
-
-def_op('BINARY_POWER', 19)
-
-def_op('BINARY_MULTIPLY', 20)
-def_op('BINARY_DIVIDE', 21)
-def_op('BINARY_MODULO', 22)
-def_op('BINARY_ADD', 23)
-def_op('BINARY_SUBTRACT', 24)
-def_op('BINARY_SUBSCR', 25)
-def_op('BINARY_FLOOR_DIVIDE', 26)
-def_op('BINARY_TRUE_DIVIDE', 27)
-def_op('INPLACE_FLOOR_DIVIDE', 28)
-def_op('INPLACE_TRUE_DIVIDE', 29)
-
-def_op('SLICE+0', 30)
-def_op('SLICE+1', 31)
-def_op('SLICE+2', 32)
-def_op('SLICE+3', 33)
-
-def_op('STORE_SLICE+0', 40)
-def_op('STORE_SLICE+1', 41)
-def_op('STORE_SLICE+2', 42)
-def_op('STORE_SLICE+3', 43)
-
-def_op('DELETE_SLICE+0', 50)
-def_op('DELETE_SLICE+1', 51)
-def_op('DELETE_SLICE+2', 52)
-def_op('DELETE_SLICE+3', 53)
-
-def_op('INPLACE_ADD', 55)
-def_op('INPLACE_SUBTRACT', 56)
-def_op('INPLACE_MULTIPLY', 57)
-def_op('INPLACE_DIVIDE', 58)
-def_op('INPLACE_MODULO', 59)
-def_op('STORE_SUBSCR', 60)
-def_op('DELETE_SUBSCR', 61)
-
-def_op('BINARY_LSHIFT', 62)
-def_op('BINARY_RSHIFT', 63)
-def_op('BINARY_AND', 64)
-def_op('BINARY_XOR', 65)
-def_op('BINARY_OR', 66)
-def_op('INPLACE_POWER', 67)
-def_op('GET_ITER', 68)
-
-def_op('PRINT_EXPR', 70)
-def_op('PRINT_ITEM', 71)
-def_op('PRINT_NEWLINE', 72)
-def_op('PRINT_ITEM_TO', 73)
-def_op('PRINT_NEWLINE_TO', 74)
-def_op('INPLACE_LSHIFT', 75)
-def_op('INPLACE_RSHIFT', 76)
-def_op('INPLACE_AND', 77)
-def_op('INPLACE_XOR', 78)
-def_op('INPLACE_OR', 79)
-def_op('BREAK_LOOP', 80)
-
-def_op('LOAD_LOCALS', 82)
-def_op('RETURN_VALUE', 83)
-def_op('IMPORT_STAR', 84)
-def_op('EXEC_STMT', 85)
-def_op('YIELD_VALUE', 86)
-
-def_op('POP_BLOCK', 87)
-def_op('END_FINALLY', 88)
-def_op('BUILD_CLASS', 89)
-
-HAVE_ARGUMENT = 90 # Opcodes from here have an argument:
-
-name_op('STORE_NAME', 90) # Index in name list
-name_op('DELETE_NAME', 91) # ""
-def_op('UNPACK_SEQUENCE', 92) # Number of tuple items
-jrel_op('FOR_ITER', 93)
-
-name_op('STORE_ATTR', 95) # Index in name list
-name_op('DELETE_ATTR', 96) # ""
-name_op('STORE_GLOBAL', 97) # ""
-name_op('DELETE_GLOBAL', 98) # ""
-def_op('DUP_TOPX', 99) # number of items to duplicate
-def_op('LOAD_CONST', 100) # Index in const list
-hasconst.append(100)
-name_op('LOAD_NAME', 101) # Index in name list
-def_op('BUILD_TUPLE', 102) # Number of tuple items
-def_op('BUILD_LIST', 103) # Number of list items
-def_op('BUILD_MAP', 104) # Always zero for now
-name_op('LOAD_ATTR', 105) # Index in name list
-def_op('COMPARE_OP', 106) # Comparison operator
-hascompare.append(106)
-name_op('IMPORT_NAME', 107) # Index in name list
-name_op('IMPORT_FROM', 108) # Index in name list
-
-jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip
-jrel_op('JUMP_IF_FALSE', 111) # ""
-jrel_op('JUMP_IF_TRUE', 112) # ""
-jabs_op('JUMP_ABSOLUTE', 113) # Target byte offset from beginning of code
-
-name_op('LOAD_GLOBAL', 116) # Index in name list
-
-jabs_op('CONTINUE_LOOP', 119) # Target address
-jrel_op('SETUP_LOOP', 120) # Distance to target address
-jrel_op('SETUP_EXCEPT', 121) # ""
-jrel_op('SETUP_FINALLY', 122) # ""
-
-def_op('LOAD_FAST', 124) # Local variable number
-haslocal.append(124)
-def_op('STORE_FAST', 125) # Local variable number
-haslocal.append(125)
-def_op('DELETE_FAST', 126) # Local variable number
-haslocal.append(126)
-
-def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)
-def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8)
-def_op('MAKE_FUNCTION', 132) # Number of args with default values
-def_op('BUILD_SLICE', 133) # Number of items
-
-def_op('MAKE_CLOSURE', 134)
-def_op('LOAD_CLOSURE', 135)
-hasfree.append(135)
-def_op('LOAD_DEREF', 136)
-hasfree.append(136)
-def_op('STORE_DEREF', 137)
-hasfree.append(137)
-
-def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8)
-def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8)
-def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8)
-
-def_op('EXTENDED_ARG', 143)
-EXTENDED_ARG = 143
def _test():
"""Simple test program to disassemble a file."""
projects / python / commitdiff