public ReferenceExpression CreateReference(InternalParameter parameter)
{
return(new ReferenceExpression(parameter.Name)
{
Entity = parameter,
ExpressionType = parameter.Type
});
}
public ReferenceExpression CreateReference(InternalParameter parameter)
{
ReferenceExpression reference = new ReferenceExpression(parameter.Name);
reference.Entity = parameter;
reference.ExpressionType = parameter.Type;
return(reference);
}
public override void LeaveCallableTypeReference(CallableTypeReference node)
{
IParameter[] parameters = new IParameter[node.Parameters.Count];
for (int i=0; i<parameters.Length; ++i)
{
parameters[i] = new InternalParameter(node.Parameters[i], i);
}
IType returnType = null;
if (null != node.ReturnType)
{
returnType = GetType(node.ReturnType);
}
else
{
returnType = TypeSystemServices.VoidType;
}
node.Entity = TypeSystemServices.GetConcreteCallableType(node, new CallableSignature(parameters, returnType));
}
private CallableSignature CallableSignatureFor(CallableTypeReference node)
{
var parameters = new IParameter[node.Parameters.Count];
for (int i=0; i<parameters.Length; ++i)
parameters[i] = new InternalParameter(node.Parameters[i], i);
var returnType = node.ReturnType != null
? GetType(node.ReturnType)
: TypeSystemServices.VoidType;
return new CallableSignature(parameters, returnType, node.Parameters.HasParamArray);
}
private void SetByRefParam(InternalParameter param, Expression right, bool leaveValueOnStack)
{
LocalBuilder temp = null;
IType tempType = null;
if (leaveValueOnStack)
{
Visit(right);
tempType = PopType();
temp = StoreTempLocal(tempType);
}
LoadParam(param);
if (temp != null)
{
LoadLocal(temp, tempType);
}
else
{
Visit(right);
}
EmitCastIfNeeded(param.Type, PopType());
OpCode storecode = GetStoreRefParamCode(param.Type);
if (IsStobj(storecode)) //passing struct/decimal byref
{
_il.Emit(storecode, GetSystemType(param.Type));
}
else
{
_il.Emit(storecode);
}
if (null != temp)
{
LoadLocal(temp, tempType);
}
}
void LoadParam(InternalParameter param)
{
int index = param.Index;
switch (index)
{
case 0:
{
_il.Emit(OpCodes.Ldarg_0);
break;
}
case 1:
{
_il.Emit(OpCodes.Ldarg_1);
break;
}
case 2:
{
_il.Emit(OpCodes.Ldarg_2);
break;
}
case 3:
{
_il.Emit(OpCodes.Ldarg_3);
break;
}
default:
{
if (index < 256)
{
_il.Emit(OpCodes.Ldarg_S, index);
}
else
{
_il.Emit(OpCodes.Ldarg, index);
}
break;
}
}
}
public ReferenceExpression CreateReference(InternalParameter parameter)
{
ReferenceExpression reference = new ReferenceExpression(parameter.Name);
reference.Entity = parameter;
reference.ExpressionType = parameter.Type;
return reference;
}
