def fn_pretty(self, c):
from javatools import opcodes
pr = list()
for offset, code, args in self.fn_data(c):
name = opcodes.get_opname_by_code(code)
pr.append((offset, name, args))
return pr
def fn_pretty(self, c):
from javatools import opcodes
if not self.offsets:
return None
pr = list()
for offset, code, args in c.disassemble():
if offset in self.offsets and opcodes.has_const_arg(code):
name = opcodes.get_opname_by_code(code)
data = c.cpool.pretty_deref_const(args[0])
pr.append((offset, name, data))
return pr
def print_method(options, method):
if options.indent:
print(" ", end="")
print("%s;" % method.pretty_descriptor())
if options.sigs:
print(" Signature:", method.get_signature())
if method.get_annotations():
print(" RuntimeVisibleAnnotations:")
index = 0
for anno in method.get_annotations():
print(" %i: %s" % (index, anno.pretty_annotation()))
code = method.get_code()
if options.disassemble and code:
print(" Code:")
if options.verbose:
# the arg count is the number of arguments consumed from
# the stack when this method is called. non-static methods
# implicitly have a "this" argument that's not in the
# descriptor
argsc = len(method.get_arg_type_descriptors())
if not method.is_static():
argsc += 1
print(" Stack=%i, Locals=%i, Args_size=%i" %
(code.max_stack, code.max_locals, argsc))
for line in code.disassemble():
opname = opcodes.get_opname_by_code(line[1])
args = line[2]
if args:
args = ", ".join(str(arg) for arg in args)
print(" %i:\t%s\t%s" % (line[0], opname, args))
else:
print(" %i:\t%s" % (line[0], opname))
exps = code.exceptions
if exps:
print(" Exception table:")
print(" from\tto\ttarget\ttype")
for e in exps:
ctype = e.pretty_catch_type()
print(" % 4i\t% 4i\t% 4i\t%s" %
(e.start_pc, e.end_pc, e.handler_pc, ctype))
if options.verbose:
if method.is_deprecated():
print(" Deprecated: true")
if method.is_synthetic():
print(" Synthetic: true")
if method.is_bridge():
print(" Bridge: true")
if method.is_varargs():
print(" Varargs: true")
if options.lines and code:
lnt = method.get_code().get_linenumbertable()
if lnt:
print(" LineNumberTable:")
for o, l in lnt:
print(" line %i: %i" % (l, o))
if options.locals and code:
if method.cpool:
cval = method.cpool.deref_const
else:
cval = str
lvt = method.get_code().get_localvariabletable()
lvtt = method.get_code().get_localvariabletypetable()
if lvt:
print(" LocalVariableTable:")
print(" Start Length Slot\tName\tDescriptor")
for o, l, n, d, i in lvt:
line = (str(o), str(l), str(i), cval(n), cval(d))
print(" %s" % "\t".join(line))
if lvtt:
print(" LocalVariableTypeTable:")
print(" Start Length Slot\tName\tSignature")
for o, l, n, s, i in lvtt:
line = (str(o), str(l), str(i), cval(n), cval(s))
print(" %s" % "\t".join(line))
if options.verbose:
exps = method.pretty_exceptions()
if exps:
print(" Exceptions:")
for e in exps:
print(" throws", e)
print()
def print_method(options, method):
if options.indent:
print(" ", end="")
print("%s;" % method.pretty_descriptor())
if options.sigs:
print(" Signature:", method.get_signature())
if method.get_annotations():
print(" RuntimeVisibleAnnotations:")
index = 0
for anno in method.get_annotations():
print(" %i: %s" % (index, anno.pretty_annotation()))
code = method.get_code()
if options.disassemble and code:
print(" Code:")
if options.verbose:
# the arg count is the number of arguments consumed from
# the stack when this method is called. non-static methods
# implicitly have a "this" argument that's not in the
# descriptor
argsc = len(method.get_arg_type_descriptors())
if not method.is_static():
argsc += 1
print(" Stack=%i, Locals=%i, Args_size=%i" %
(code.max_stack, code.max_locals, argsc))
for line in code.disassemble():
opname = opcodes.get_opname_by_code(line[1])
args = line[2]
if args:
args = ", ".join(str(arg) for arg in args)
print(" %i:\t%s\t%s" % (line[0], opname, args))
else:
print(" %i:\t%s" % (line[0], opname))
exps = code.exceptions
if exps:
print(" Exception table:")
print(" from\tto\ttarget\ttype")
for e in exps:
ctype = e.pretty_catch_type()
print(" % 4i\t% 4i\t% 4i\t%s" %
(e.start_pc, e.end_pc, e.handler_pc, ctype))
if options.verbose:
if method.is_deprecated():
print(" Deprecated: true")
if method.is_synthetic():
print(" Synthetic: true")
if method.is_bridge():
print(" Bridge: true")
if method.is_varargs():
print(" Varargs: true")
if options.lines and code:
lnt = method.get_code().get_linenumbertable()
if lnt:
print(" LineNumberTable:")
for o, l in lnt:
print(" line %i: %i" % (l, o))
if options.locals and code:
if method.cpool:
cval = method.cpool.deref_const
else:
cval = str
lvt = method.get_code().get_localvariabletable()
lvtt = method.get_code().get_localvariabletypetable()
if lvt:
print(" LocalVariableTable:")
print(" Start Length Slot\tName\tDescriptor")
for o, l, n, d, i in lvt:
line = (str(o), str(l), str(i), cval(n), cval(d))
print(" %s" % "\t".join(line))
if lvtt:
print(" LocalVariableTypeTable:")
print(" Start Length Slot\tName\tSignature")
for o, l, n, s, i in lvtt:
line = (str(o), str(l), str(i), cval(n), cval(s))
print(" %s" % "\t".join(line))
if options.verbose:
exps = method.pretty_exceptions()
if exps:
print(" Exceptions:")
for e in exps:
print(" throws", e)
print()
def handle_method(self, method):
code = method.get_code()
if code is None:
return
m = None
for ann in method.get_invisible_annotations():
t = ann.pretty_type().split('.')[-1]
if t in ['replace', 'prepend']:
m = Method(method, t)
break
else:
return
cpool = code.cpool
for offset, opcode, args in code.disassemble():
name = opcodes.get_opname_by_code(opcode).upper()
if m.action_type != 'replace' and 'RETURN' in name:
continue
if name in ['NOP', 'ACONST_NULL', 'ICONST_M1', 'ICONST_0',
'ICONST_1', 'ICONST_2', 'ICONST_3', 'ICONST_4', 'ICONST_5',
'LCONST_0', 'LCONST_1', 'FCONST_0', 'FCONST_1', 'FCONST_2',
'DCONST_0', 'DCONST_1', 'IALOAD', 'LALOAD', 'FALOAD',
'DALOAD', 'AALOAD', 'BALOAD', 'CALOAD', 'SALOAD', 'IASTORE',
'LASTORE', 'FASTORE', 'DASTORE', 'AASTORE', 'BASTORE',
'CASTORE', 'SASTORE', 'POP', 'POP2', 'DUP', 'DUP_X1',
'DUP_X2', 'DUP2', 'DUP2_X1', 'DUP2_X2', 'SWAP', 'IADD',
'LADD', 'FADD', 'DADD', 'ISUB', 'LSUB', 'FSUB', 'DSUB',
'IMUL', 'LMUL', 'FMUL', 'DMUL', 'IDIV', 'LDIV', 'FDIV',
'DDIV', 'IREM', 'LREM', 'FREM', 'DREM', 'INEG', 'LNEG',
'FNEG', 'DNEG', 'ISHL', 'LSHL', 'ISHR', 'LSHR', 'IUSHR',
'LUSHR', 'IAND', 'LAND', 'IOR', 'LOR', 'IXOR', 'LXOR',
'I2L', 'I2F', 'I2D', 'L2I', 'L2F', 'L2D', 'F2I', 'F2L',
'F2D', 'D2I', 'D2L', 'D2F', 'I2B', 'I2C', 'I2S', 'LCMP',
'FCMPL', 'FCMPG', 'DCMPL', 'DCMPG', 'IRETURN', 'LRETURN',
'FRETURN', 'DRETURN', 'ARETURN', 'RETURN', 'ARRAYLENGTH',
'ATHROW', 'MONITORENTER', 'MONITOREXIT']:
m.code.append('visitInsn(Opcodes.%s)' % name)
elif name in ['BIPUSH', 'SIPUSH']:
m.code.append('visitIntInsn(Opcodes.%s, %d)' % args[0])
elif 'LDC' in name:
t, v = cpool.get_const(args[0])
const = cpool.deref_const(args[0])
if t == javatools.CONST_String:
m.code.append('visitLdcInsn("%s")' % const)
elif t == javatools.CONST_Long:
m.code.append('visitLdcInsn(%sL)' % const)
elif t == javatools.CONST_Double:
m.code.append('visitLdcInsn(%sd)' % const)
else: # TODO
m.code.append('visitLdcInsn(%s)' % const)
elif name[1:-2] in ['LOAD', 'STORE']:
m.code.append('visitVarInsn(Opcodes.%s, %s)' % (name[:-2], name[-1]))
elif name in ['GETFIELD', 'PUTFIELD', 'GETSTATIC', 'PUTSTATIC']:
field = cpool.deref_const(args[0])
m.code.append('visitFieldInsn(Opcodes.%s, "%s", "%s", "%s")' % (name,
field[0], field[1][0], field[1][1]))
elif 'INVOKE' in name:
target = cpool.deref_const(args[0])
m.code.append('visitMethodInsn(Opcodes.%s, "%s", "%s", "%s")' % (name,
target[0], target[1][0], target[1][1]))
elif name in ['NEW', 'ANEWARRAY', 'CHECKCAST', 'INSTANCEOF']:
t = cpool.deref_const(args[0])
m.code.append('visitTypeInsn(Opcodes.%s, "%s")' % (name, t))
else:
raise Exception('unhandled opcode ' + name)
return m
