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 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 emitType(self, gen):
# Redundant calls to emitType have no effect.
if self.builder is not None: return
log.write('emit', 'emitType class ', self, self.name)
from CLR import System
flags = gen.TypeAttributes.Public
if self.flags.abstract:
flags |= gen.TypeAttributes.Abstract
if self.flags.sealed:
flags |= gen.TypeAttributes.Sealed
# Be sure everybody gets their builders built.
self.baseClass.emitType(gen)
for iface in self.baseInterfaces:
iface.emitType(gen)
ifaces = util.toTypedArray(System.Type, [iface.builder for iface in self.baseInterfaces])
assert self.baseClass is not None, self
assert self.baseClass.builder is not None, self.baseClass
assert None not in ifaces, self.baseInterfaces
self.builder = gen.module.DefineType(self.name, flags, self.baseClass.builder, ifaces)
def emitDeclaration(self, gen):
if self.builder is not None: return
flags = gen.MethodAttributes.Public | gen.MethodAttributes.Abstract | gen.MethodAttributes.Virtual
paramTypes = util.toTypedArray(System.Type, [param.type.builder for param in self.params])
self.builder = gen.typeBuilder.DefineMethod(self.name, flags, self.returnType.builder, paramTypes)
def emitType(self, gen):
if self.builder is not None: return
log.write('emit', 'emitType iface ', self, self.name)
flags = gen.TypeAttributes.Interface | gen.TypeAttributes.Abstract | gen.TypeAttributes.Public
ifaces = util.toTypedArray(System.Type, [iface.builder for iface in self.bases])
self.builder = gen.module.DefineType(self.name, flags, None, ifaces)
def emitLoad(self, gen):
from CLR import System
argTypes = util.toTypedArray(System.Type, (System.String, System.String))
concatMethod = vartypes.StringType.builder.GetMethod("Concat", argTypes)
assert concatMethod is not None, self
self.lhs.emitLoad(gen)
self.rhs.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Call, concatMethod)
def emitLoadAddress(self, gen):
getArgs = [System.Int32] * len(self.indicies)
getArgs = util.toTypedArray(System.Type, getArgs)
getm = self.identifier.variable.type.builder.GetMethod('Address', getArgs)
self.identifier.emitLoad(gen)
for i, index in enumerate(self.indicies):
index.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Call, getm)
def emitLoad(self, gen):
arrayType = self.identifier.getType()
getArgs = [System.Int32] * len(self.indicies)
getArgs = util.toTypedArray(System.Type, getArgs)
getm = arrayType.builder.GetMethod('Get', getArgs)
self.identifier.emitLoad(gen)
for i, index in enumerate(self.indicies):
index.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Call, getm)
def emitAssign(self, rhs, gen):
arrayType = self.identifier.getType()
setArgs = [System.Int32]*len(self.indicies)
setArgs.append(arrayType.arrayType.builder)
setArgs = util.toTypedArray(System.Type, setArgs)
setm = arrayType.builder.GetMethod('Set', setArgs)
self.identifier.emitLoad(gen)
for index in self.indicies:
index.emitLoad(gen)
rhs.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Call, setm)
def emitLoad(self, gen):
for s in self.size:
s.emitLoad(gen)
if len(self.size) == 1:
gen.ilGen.Emit(gen.opCodes.Newarr, self.elementType.builder)
else:
from CLR import System
from ast import vartypes
argTypes = (vartypes.IntType.builder,) * len(self.size)
argTypes = util.toTypedArray(System.Type, argTypes)
ctor = self.arrayType.builder.GetConstructor(argTypes)
assert ctor is not None, (self.arrayType, self.arrayType.builder.FullName)
gen.ilGen.Emit(gen.opCodes.Newobj, ctor)
def emitLoadAddress(self, gen):
"""Umm, dunno if this applies to strings
will we ever want the address of a character in a string?
FIXME: Making this work allows assigning specific character slots in a string to a variable... maybe this should be disallowed?
"""
raise error.CodeError("Cannot variablize a character in a string")
#TODO: Create an emulation of this method's purpose for string assignment
# will probably just end up a call to emitAssign
getArgs = [System.Int32] * len(self.indicies)
getArgs = util.toTypedArray(System.Type, getArgs)
getm = self.identifier.variable.type.builder.GetMethod('Address', getArgs)
self.identifier.emitLoad(gen)
for i, index in enumerate(self.indicies):
index.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Call, getm)
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)
