internal static int AddOverload(List<Overload>/*!!*/ overloads, MethodInfo/*!*/ realOverload, FunctionImplOptions options)
{
Overload overload = Overload.Create(realOverload, options);
if (overload == null) return DRoutine.InvalidOverloadIndex;
int i = 0;
while (i < overloads.Count && overloads[i].ParamCount < overload.ParamCount) i++;
overloads.Insert(i, overload);
return i;
}
/// <summary>
/// Used by full-reflect.
/// </summary>
public PhpLibraryFunction(PhpLibraryFunctionDesc/*!*/ functionDesc, Name name, FunctionImplOptions options,
int estimatedOverloadCount)
: base(functionDesc)
{
this.name = name;
this.options = options;
this.overloads = new List<Overload>(estimatedOverloadCount);
}
/// <summary>
/// Creates an instance of the <see cref="ImplementsFunctionAttribute"/> attribute.
/// </summary>
/// <param name="name">The name of the PHP function implemented by marked method.</param>
/// <param name="options">Options.</param>
public ImplementsFunctionAttribute(string name, FunctionImplOptions options)
{
this.name = name;
this.options = options;
}
/// <summary>
/// Creates an overload of the function. May return <B>null</B> on error.
/// </summary>
internal static Overload Create(MethodInfo/*!*/ realOverload, FunctionImplOptions options)
{
ParameterInfo[] parameters = realOverload.GetParameters();
OverloadFlags flags = OverloadFlags.None;
short param_count = (short)parameters.Length;
if (parameters.Length >= 1 && parameters[0].ParameterType == Types.ScriptContext[0])
{
flags |= OverloadFlags.NeedsScriptContext;
param_count--;
}
if (parameters.Length > 0 && parameters[parameters.Length - 1].IsDefined(typeof(ParamArrayAttribute), false))
{
flags |= OverloadFlags.IsVararg;
param_count--;
}
if ((options & FunctionImplOptions.NeedsThisReference) != 0)
{
param_count--;
flags |= OverloadFlags.NeedsThisReference;
}
if ((options & FunctionImplOptions.NeedsVariables) != 0)
{
param_count--;
flags |= OverloadFlags.NeedsVariables;
}
if ((options & FunctionImplOptions.NeedsNamingContext) != 0)
{
param_count--;
flags |= OverloadFlags.NeedsNamingContext;
}
if ((options & FunctionImplOptions.NeedsClassContext) != 0)
{
param_count--;
flags |= OverloadFlags.NeedsClassContext;
}
if ((options & FunctionImplOptions.NotSupported) != 0)
{
flags |= OverloadFlags.NotSupported;
}
return new Overload(realOverload, parameters, param_count, flags);
}
/// <summary>
/// Creates an instance of the <see cref="ImplementsFunctionAttribute"/> attribute.
/// </summary>
/// <param name="name">The name of the PHP function implemented by marked method.</param>
/// <param name="options">Options.</param>
public ImplementsFunctionAttribute(string name, FunctionImplOptions options)
{
this.name = name;
this.options = options;
}
