private static void LoadParameters(CodeGenerator gen, ParameterInfo[] pis, bool isMethodStatic)
{
Check.Require(gen, "gen");
if (pis != null)
{
for (int i = 0; i < pis.Length; ++i)
{
if (isMethodStatic)
{
gen.Ldarg(0);
}
else
{
gen.Ldarg(1);
}
gen.Ldc(i);
Type srcType = pis[i].ParameterType;
string str = srcType.ToString();
if (str.EndsWith("&"))
{
srcType = CommonUtils.GetType(str.Substring(0, str.Length - 1));
}
if (str.EndsWith("&")) //ref or out param
{
if (srcType.IsValueType && (pis[i].Attributes & ParameterAttributes.Out) != ParameterAttributes.Out) //ref value param
{
gen.Ldelem(typeof(object));
gen.Unbox(srcType);
}
else
{
if (srcType.IsValueType && srcType != typeof(object)) //out value param
{
gen.LoadDefaultValue(srcType);
gen.Box(srcType);
gen.Stelem(typeof(object));
if (isMethodStatic)
{
gen.Ldarg(0);
}
else
{
gen.Ldarg(1);
}
gen.Ldc(i);
gen.Ldelem(typeof(object));
gen.Unbox(srcType);
}
else //ref or out class param
{
gen.Ldelema(typeof(object));
}
}
}
else
{
gen.Ldelem(typeof(object));
if (srcType.IsValueType)
{
gen.UnboxAny(srcType);
}
else if (srcType != typeof(object))
{
gen.Castclass(srcType);
}
}
}
}
}
/// <summary>
/// Do Get Static Field Set Delegate
/// </summary>
/// <param name="targetModule"></param>
/// <param name="fieldInfo"></param>
/// <returns></returns>
protected static StaticDynamicMethodProxyHandler DoGetStaticFieldSetDelegate(
Module targetModule,
FieldInfo fieldInfo
)
{
Check.Require(targetModule, "targetModule");
Check.Require(fieldInfo, "fieldInfo");
Check.Require(fieldInfo.IsStatic, "fieldInfo MUST be static here.");
CodeGenerator gen = new CodeGenerator(targetModule);
gen.BeginMethod("dm" + Guid.NewGuid().ToString("N"), typeof(StaticDynamicMethodProxyHandler));
gen.Ldarg(0);
gen.Ldc(0);
gen.Ldelem(typeof(object));
if (fieldInfo.FieldType.IsValueType)
gen.UnboxAny(fieldInfo.FieldType);
gen.StoreMember(fieldInfo);
gen.Load(null);
return (StaticDynamicMethodProxyHandler)gen.EndMethod();
}
