/// <summary>
/// Add at runtime a method to a type
/// </summary>
/// <param name="typedesc">Type to modify</param>
/// <param name="attributes">New method attributes</param>
/// <param name="func_name">Method name</param>
/// <param name="callback">Method body</param>
/// <remarks>Used by PDO_SQLITE</remarks>
public void AddMethodToType(DTypeDesc typedesc, PhpMemberAttributes attributes, string func_name, Func <object, PhpStack, object> callback)
{
Debug.Assert(typedesc != null);
var name = new Name(func_name);
var method_desc = new PhpRoutineDesc(typedesc, attributes);
if (!typedesc.Methods.ContainsKey(name))
{
typedesc.Methods.Add(name, method_desc);
// assign member:
if (method_desc.Member == null)
{
Func <ScriptContext, object> dummyArgFullCallback = DummyArgFull;
PhpMethod method = new PhpMethod(name, (PhpRoutineDesc)method_desc, dummyArgFullCallback.Method, (callback != null) ? callback.Method : null);
method.WriteUp(PhpRoutineSignature.FromArgfullInfo(method, dummyArgFullCallback.Method));
method_desc.Member = method;
}
}
}
/// <summary>
/// reflect global functions in <Script> class
/// TODO: consider merging with PhpTypeDesc.FullReflectMethods
/// </summary>
/// <param name="functions">Dictionary for functions</param>
/// <param name="scriptType">The type to reflect from.</param>
private static void ReflectScriptTypeFunctions(Type scriptType, Dictionary <string, DRoutineDesc> functions)
{
MethodInfo[] real_methods = scriptType.GetMethods(DTypeDesc.MembersReflectionBindingFlags);
Dictionary <string, MethodInfo> argless_stubs = new Dictionary <string, MethodInfo>(real_methods.Length / 3);
// first pass - fill argless_stubs
for (int i = 0; i < real_methods.Length; i++)
{
MethodInfo info = real_methods[i];
if ((info.Attributes & MethodAttributes.MemberAccessMask) != MethodAttributes.PrivateScope)
{
if (PhpFunctionUtils.IsArglessStub(info, null))
{
argless_stubs.Add(info.Name, info);
real_methods[i] = null;
}
}
else
{
real_methods[i] = null; // expunge private scope methods
}
}
// second pass - match argfulls
foreach (MethodInfo info in real_methods)
{
// argfull detection:
if (info == null || !PhpFunctionUtils.IsArgfullOverload(info, null))
{
continue;
}
// TODO: namespaces!!
if (functions.ContainsKey(info.Name))
{
throw new InvalidOperationException("Function '" + info.Name + "' redeclaration."); // compilation unit contains more functions with the same name
}
// find the argless:
MethodInfo argless_info = null;
if (!argless_stubs.TryGetValue(info.Name, out argless_info))
{
// argless has to be generated on-the-fly
throw new NotImplementedException("Generating argless stubs for imported PHP types is not yet implemented");
}
if (!PhpFunctionUtils.IsRealConditionalDefinition(info.Name))
{
Name name = new Name(info.Name);
DRoutineDesc func_desc;
PhpMemberAttributes attrs = Enums.GetMemberAttributes(info);
// this method has not been populated -> create a new PhpRoutineDesc
func_desc = new PhpRoutineDesc(attrs, (RoutineDelegate)Delegate.CreateDelegate(Types.RoutineDelegate, argless_info), true);
functions.Add(info.Name, func_desc);
//
if (func_desc.Member == null)
{
PhpFunction func = new PhpFunction(new QualifiedName(name), (PhpRoutineDesc)func_desc, info, argless_info);
func.WriteUp(PhpRoutineSignature.FromArgfullInfo(func, info));
func_desc.Member = func;
}
}
}
}
