private void GenerateCall()
{
ArgumentReference arg = new ArgumentReference( typeof(object[]) );
_callmethod = CreateMethod( "Call",
new ReturnReferenceExpression(typeof(object)), arg );
// LocalReference localRef = method.CodeBuilder.DeclareLocal( typeof(object) );
TypeReference[] dereferencedArguments = IndirectReference.WrapIfByRef(_args);
LocalReference[] localCopies = new LocalReference[_args.Length];
Expression[] invocationArguments = new Expression[_args.Length];
// Load arguments from the object array.
for (int i = 0; i < _args.Length; i++)
{
if (_args[i].Type.IsByRef)
{
localCopies[i] = _callmethod.CodeBuilder.DeclareLocal(dereferencedArguments[i].Type);
_callmethod.CodeBuilder.AddStatement(new AssignStatement(localCopies[i],
new ConvertExpression(dereferencedArguments[i].Type,
new LoadRefArrayElementExpression(i, arg))));
invocationArguments[i] = localCopies[i].ToAddressOfExpression();
}
else
{
invocationArguments[i] = new ConvertExpression(dereferencedArguments[i].Type,
new LoadRefArrayElementExpression(i, arg));
}
}
// Invoke the method.
MethodInvocationExpression methodInv = new MethodInvocationExpression(
_invokeMethod,
invocationArguments );
Expression result = null;
if (_returnType.Type == typeof(void))
{
_callmethod.CodeBuilder.AddStatement(new ExpressionStatement(methodInv));
result = NullExpression.Instance;
}
else
{
LocalReference resultLocal = _callmethod.CodeBuilder.DeclareLocal(typeof(object));
_callmethod.CodeBuilder.AddStatement(new AssignStatement(resultLocal,
new ConvertExpression(typeof(object), _returnType.Type, methodInv)));
result = resultLocal.ToExpression();
}
// Save ByRef arguments into the object array.
for (int i = 0; i < _args.Length; i++)
{
if (_args[i].Type.IsByRef)
{
_callmethod.CodeBuilder.AddStatement(new AssignArrayStatement(arg, i,
new ConvertExpression(typeof(object), dereferencedArguments[i].Type,
localCopies[i].ToExpression())));
}
}
// Return.
_callmethod.CodeBuilder.AddStatement( new ReturnStatement( result ) );
}
public LocalReference DeclareLocal( Type type )
{
LocalReference local = new LocalReference(type);
_ilmarkers.Add( local );
return local;
}