def getMethod(self, name, paramList, returnType):
if isinstance(returnType, vartypes.Type):
returnType = returnType.builder
if returnType is None:
# Only user types will not have builders at this point.
# External classes never return user types.
# If they could, it would be some sort of circular inter-program dependancy.
# Thus, if the returnType has no builder, there cannot possibly be a match.
return None
if not isinstance(returnType, System.Type):
returnType = ExternalType.getNineType(returnType).builder
args = util.toTypedArray(System.Type, [util.getNetType(t) for t in paramList])
assert None not in args, paramList
methodInfo = self.builder.GetMethod(name, args)
if methodInfo is None: return None
if System.Object.ReferenceEquals(methodInfo.ReturnType, returnType):
return ExternalMethod(self, methodInfo)
else:
return None
def getMethod(self, name, paramList, returnType):
if isinstance(returnType, vartypes.Type):
returnType = returnType.builder
if returnType is None:
# Only user types will not have builders at this point.
# External classes never return user types.
# If they could, it would be some sort of circular inter-program dependancy.
return None
if not isinstance(returnType, System.Type):
returnType = ExternalType.getNineType(returnType).builder
args = util.toTypedArray(System.Type, [util.getNetType(t) for t in paramList])
assert None not in args, paramList
# IronPython hack: Querying MulticastDelegate for its Invoke method segfaults Mono for some reason.
# -- andy 2 Feb 2014
if self.builder == System.MulticastDelegate and name == 'Invoke':
return None
methodInfo = self.builder.GetMethod(name, args)
if methodInfo is None:
return None
if System.Object.ReferenceEquals(methodInfo.ReturnType, returnType):
return ExternalMethod(self, methodInfo)
else:
return None
def emitLoad(self, gen):
self.base.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Conv_R8)
self.exp.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Conv_R8)
powerMethod = util.getNetType(System.Math).GetMethod('Pow')
gen.ilGen.Emit(gen.opCodes.Call, powerMethod)
def emitCode(self, gen):
consoleArgs = System.Array.CreateInstance(System.Type, 1)
argType = self.arg.getType()
assert argType is not None, self.arg
if not isinstance(argType.builder, System.Reflection.Emit.TypeBuilder):
consoleArgs[0] = argType.builder
else:
consoleArgs[0] = System.Object
# This is silly. Need to get a System.Type reference for the Console class.
consoleType = util.getNetType(System.Console)
mi = consoleType.GetMethod('WriteLine', consoleArgs)
self.arg.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Call, mi)
def getCtor(self, params):
'''Returns a constructor that recieves the given set of parameters.
params is a list that contains the types that the returned constructor
recieves.
(types, not Parameter instances!)
'''
paramTypes = util.toTypedArray(System.Type,
[util.getNetType(param.getType()) for param in params]
)
ctorInfo = self.builder.GetConstructor(paramTypes)
if ctorInfo is None:
return None
else:
return ExternalConstructor(ctorInfo, self)
def __init__(self, type):
from nine import util
self.type = util.getNetType(type)