def validateArgs(self):
'''Validate all arguments given by the user, and tests them.'''
errors = []
i = 0
for param in self.code.getParams():
if param.defaultvalue == None and not isinstance(self.args[i], ASTNode):
try:
ParamType.rewrite(param.ptype, self.args[i])
except:
errors.append("Value error: 0x%s (argument %d)"%(self.args[i], i))
i += 1
return errors
def validateArgs(self):
'''Validate all arguments given by the user, and tests them.'''
errors = []
i = 0
for param in self.code.getParams():
if param.defaultvalue == None and not isinstance(
self.args[i], ASTNode):
try:
ParamType.rewrite(param.ptype, self.args[i])
except:
errors.append("Value error: 0x%s (argument %d)" %
(self.args[i], i))
i += 1
return errors
def _prepargs(self, command, args):
#Rewrite references to AST Reference nodes
rawargs = []
i_args = 0
for i in range(0, len(command.params)):
commandparam = command.getParam(i)
#print(repr(commandparam))
if commandparam.defaultvalue == None:
#print(" -> consume! "+repr(args[i_args]))
if ParamType.ispointer(commandparam.ptype):
rawargs.append(ast.ASTRef(args[i_args]))
elif commandparam.definevaluestype != None:
defines = self.langdef.getDefines(commandparam.definevaluestype)
#Reversed defines lookup, not as elegant as I hoped it
key = args[i_args].upper()
val = None
try:
#If defines is a list:
try:
val = defines.index(key)
except:
val = next((dval for dval, dkey in defines.items() if dkey == key))
rawargs.append(ast.ASTDefinedValue(key, val))
except:
#There is no define for the value, parse it as is
# but then ofc. it should be an int.
try:
rawargs.append(toint(args[i_args]))
except:
raise Exception("%s is not defined, and could not be converted to an integer!"%args[i_args])
else:
rawargs.append(toint(args[i_args]))
i_args += 1
return rawargs
def parsecommandargs(self, command, argbytes):
'''
Rewrites the command to a AST Node with proper arguments set.
The argbytes contains a BYTE-array of all values. These are read
from it and appended to the command.
'''
print(">>> ", argbytes)
args = []
p = 0
for param in command.params:
paramtype = param.ptype
if param.defaultvalue == None and paramtype != ParamType.eos:
if paramtype == ParamType.byte:
value = argbytes[p]
p += 1
elif paramtype == ParamType.word:
value = struct.unpack("<H", argbytes[p:p + 2])[0]
p += 2
elif ParamType.ispointer(paramtype):
pointer = struct.unpack("<I", argbytes[p:p + 4])[0]
if pointer > 0x08000000:
pointer -= 0x08000000
value = ASTPointerRef(
pointer,
_ptype_to_decompiletype(paramtype)) #TODO paramtype,
p += 4
elif paramtype == ParamType.int:
value = struct.unpack("<I", argbytes[p:p + 4])[0]
p += 4
else:
print("Unknown ParamType: " + repr(paramtype))
#Chech wheter it is possible to update the value to a nice string representation
if param.definevaluestype != None:
defines = self.langdef.getDefines(param.definevaluestype)
try:
value = ASTDefinedValue(defines[value], value)
except:
pass
args.append(value)
return ASTCommand(command, args), {} #TODO: Remove last arg
def parsecommandargs(self, command, argbytes):
'''
Rewrites the command to a AST Node with proper arguments set.
The argbytes contains a BYTE-array of all values. These are read
from it and appended to the command.
'''
print(">>> ", argbytes)
args = []
p = 0
for param in command.params:
paramtype = param.ptype
if param.defaultvalue == None and paramtype != ParamType.eos:
if paramtype == ParamType.byte:
value = argbytes[p]
p+=1
elif paramtype == ParamType.word:
value = struct.unpack("<H", argbytes[p:p+2])[0]
p+=2
elif ParamType.ispointer(paramtype):
pointer = struct.unpack("<I", argbytes[p:p+4])[0]
if pointer > 0x08000000:
pointer -= 0x08000000
value = ASTPointerRef(pointer, _ptype_to_decompiletype(paramtype)) #TODO paramtype,
p += 4
elif paramtype == ParamType.int:
value = struct.unpack("<I", argbytes[p:p+4])[0]
p += 4
else:
print("Unknown ParamType: "+repr(paramtype))
#Chech wheter it is possible to update the value to a nice string representation
if param.definevaluestype != None:
defines = self.langdef.getDefines(param.definevaluestype)
try:
value = ASTDefinedValue(defines[value], value)
except:
pass
args.append(value)
return ASTCommand(command, args), {} #TODO: Remove last arg
