|
private CreateDelegateAndFunctionPointer ( |
||
| wrapperType | ||
| return | void | |
// This is the main conversion function called from XlLibrary.RegisterMethods
// targets may be null - the typical case
public static List <XlMethodInfo> ConvertToXlMethodInfos(List <MethodInfo> methods, List <object> targets, List <object> methodAttributes, List <List <object> > argumentAttributes)
{
List <XlMethodInfo> xlMethodInfos = new List <XlMethodInfo>();
// Set up assembly
// Examine the methods, built the types and infos
// Bake the assembly and export the function pointers
AssemblyBuilder assemblyBuilder;
ModuleBuilder moduleBuilder;
TypeBuilder wrapperTypeBuilder;
assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(
new AssemblyName("ExcelDna.DynamicDelegateAssembly"),
AssemblyBuilderAccess.Run /*AndSave*/);
moduleBuilder = assemblyBuilder.DefineDynamicModule("DynamicDelegates");
wrapperTypeBuilder = moduleBuilder.DefineType("WrapperType");
for (int i = 0; i < methods.Count; i++)
{
MethodInfo mi = methods[i];
object target = (targets == null) ? null : targets[i];
object methodAttrib = (methodAttributes != null && i < methodAttributes.Count) ? methodAttributes[i] : null;
List <object> argAttribs = (argumentAttributes != null && i < argumentAttributes.Count) ? argumentAttributes[i] : null;
try
{
XlMethodInfo xlmi = new XlMethodInfo(mi, target, methodAttrib, argAttribs);
// Skip if suppressed
if (xlmi.ExplicitRegistration)
{
Logger.Registration.Info("Suppressing due to ExplictRegistration attribute: '{0}.{1}'", mi.DeclaringType.Name, mi.Name);
continue;
}
// otherwise continue with delegate type and method building
xlmi.CreateDelegateTypeAndMethodInfo(moduleBuilder, wrapperTypeBuilder, mi, target);
// ... and add to list for further processing and registration
xlMethodInfos.Add(xlmi);
}
catch (DnaMarshalException e)
{
Logger.Registration.Error(e, "Method not registered due to unsupported signature: '{0}.{1}'", mi.DeclaringType.Name, mi.Name);
}
}
Type wrapperType = wrapperTypeBuilder.CreateType();
foreach (XlMethodInfo xlmi in xlMethodInfos)
{
xlmi.CreateDelegateAndFunctionPointer(wrapperType);
}
// assemblyBuilder.Save(@"ExcelDna.DynamicDelegateAssembly.dll");
return(xlMethodInfos);
}
// This is the main conversion function called from XlLibrary.RegisterMethods
// targets may be null - the typical case
public static List<XlMethodInfo> ConvertToXlMethodInfos(List<MethodInfo> methods, List<object> targets, List<object> methodAttributes, List<List<object>> argumentAttributes)
{
List<XlMethodInfo> xlMethodInfos = new List<XlMethodInfo>();
// Set up assembly
// Examine the methods, built the types and infos
// Bake the assembly and export the function pointers
AssemblyBuilder assemblyBuilder;
ModuleBuilder moduleBuilder;
TypeBuilder wrapperTypeBuilder;
assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(
new AssemblyName("ExcelDna.DynamicDelegateAssembly"),
AssemblyBuilderAccess.Run /*AndSave*/);
moduleBuilder = assemblyBuilder.DefineDynamicModule("DynamicDelegates");
wrapperTypeBuilder = moduleBuilder.DefineType("WrapperType");
for (int i = 0; i < methods.Count; i++)
{
MethodInfo mi = methods[i];
object target = (targets == null) ? null : targets[i];
object methodAttrib = (methodAttributes != null && i < methodAttributes.Count) ? methodAttributes[i] : null;
List<object> argAttribs = (argumentAttributes != null && i < argumentAttributes.Count) ? argumentAttributes[i] : null;
try
{
XlMethodInfo xlmi = new XlMethodInfo(mi, target, methodAttrib, argAttribs);
// Skip if suppressed
if (xlmi.ExplicitRegistration)
{
Logger.Registration.Info("Suppressing due to ExplictRegistration attribute: '{0}.{1}'", mi.DeclaringType.Name, mi.Name);
continue;
}
// otherwise continue with delegate type and method building
xlmi.CreateDelegateTypeAndMethodInfo(moduleBuilder, wrapperTypeBuilder, mi, target);
// ... and add to list for further processing and registration
xlMethodInfos.Add(xlmi);
}
catch (DnaMarshalException e)
{
Logger.Registration.Error(e, "Method not registered due to unsupported signature: '{0}.{1}'", mi.DeclaringType.Name, mi.Name);
}
}
Type wrapperType = wrapperTypeBuilder.CreateType();
foreach (XlMethodInfo xlmi in xlMethodInfos)
{
xlmi.CreateDelegateAndFunctionPointer(wrapperType);
}
// assemblyBuilder.Save(@"ExcelDna.DynamicDelegateAssembly.dll");
return xlMethodInfos;
}