public CodeMemberMethod GenerateGetHashCodeMethod(Type t)
{
var m = new MethodHelper("_GetHashCode", typeof(int),
MemberAttributes.Static | MemberAttributes.Final | MemberAttributes.Public);
m.Param("value", t);
m.Add(Decl("hash", typeof(int), Default(typeof(int))));
if (IsPrimitive(t) || t.IsEnum)
{
m.Assign("hash", Invoke(Var("value"), "GetHashCode"));
m.Return("hash");
return(m.Code);
}
if (HasCustomSerialization(t))
{
m.Add(Stmt("throw new System.Exception(\"Not Implemented\");"));
//m.Return(Var("hash"));
return(m.Code);
}
foreach (FieldInfo field in FieldMetadata(t))
{
CodeExpression fieldHash;
if (IsNaiadable(field.FieldType))
{
AddType(field.FieldType);
fieldHash = Invoke(CodeGenClass, "_GetHashCode",
new CodeFieldReferenceExpression(Var("value"), field.Name));
}
else
{
var fieldRef = new CodeFieldReferenceExpression(Var("value"), field.Name);
fieldHash = Invoke("Naiad.HashCode", "SafeGetHashCode", fieldRef);
}
m.Assign("hash",
new CodeBinaryOperatorExpression(Var("hash"), CodeBinaryOperatorType.Add, fieldHash));
}
m.Return(Var("hash"));
return(m.Code);
}