public void OrderBy(String name, bool ascent)
{
FieldInfo f = QueryImpl.lookupField(cls, name);
OrderNode node;
if (f == null)
{
MethodInfo m = QueryImpl.lookupMethod(cls, name, QueryImpl.defaultProfile);
if (m == null)
{
throw new CodeGeneratorException("No such field " + name + " in class " + cls);
}
else
{
node = new OrderNode(m);
}
}
else
{
node = new OrderNode(f);
}
node.ascent = ascent;
if (query.order == null)
{
query.order = node;
}
else
{
OrderNode last;
for (last = query.order; last.next != null; last = last.next)
{
;
}
last.next = node;
}
}
public Code Invoke(Code baseExpr, String name, params Code[] arguments)
{
Type[] profile = new Type[arguments.Length];
Node[] args = new Node[arguments.Length];
for (int i = 0; i < profile.Length; i++)
{
Node arg = (Node)arguments[i];
args[i] = arg;
Type argType;
switch (arg.type)
{
case NodeType.tpInt:
argType = typeof(long);
break;
case NodeType.tpReal:
argType = typeof(double);
break;
case NodeType.tpStr:
argType = typeof(String);
break;
case NodeType.tpDate:
argType = typeof(DateTime);
break;
case NodeType.tpBool:
argType = typeof(bool);
break;
case NodeType.tpObj:
argType = arg.Type;
break;
case NodeType.tpArrayBool:
argType = typeof(bool[]);
break;
case NodeType.tpArrayChar:
argType = typeof(char[]);
break;
case NodeType.tpArrayInt1:
argType = typeof(sbyte[]);
break;
case NodeType.tpArrayInt2:
argType = typeof(short[]);
break;
case NodeType.tpArrayInt4:
argType = typeof(int[]);
break;
case NodeType.tpArrayInt8:
argType = typeof(long[]);
break;
case NodeType.tpArrayUInt1:
argType = typeof(byte[]);
break;
case NodeType.tpArrayUInt2:
argType = typeof(ushort[]);
break;
case NodeType.tpArrayUInt4:
argType = typeof(uint[]);
break;
case NodeType.tpArrayUInt8:
argType = typeof(ulong[]);
break;
case NodeType.tpArrayReal4:
argType = typeof(float[]);
break;
case NodeType.tpArrayReal8:
argType = typeof(double[]);
break;
case NodeType.tpArrayStr:
argType = typeof(String[]);
break;
case NodeType.tpArrayObj:
argType = typeof(Object[]);
break;
default:
throw new CodeGeneratorException("Invalid method argument type");
}
profile[i] = argType;
}
Type scope = (baseExpr == null) ? cls : ((Node)baseExpr).Type;
MethodInfo mth = QueryImpl.lookupMethod(scope, name, profile);
if (mth == null)
{
throw new CodeGeneratorException("MethodInfo " + name + " not found in class " + scope);
}
return(new InvokeNode((Node)baseExpr, mth, args));
}
