private void EmitFunctionImplementation(CodeGen cg, CodeGen icg, bool context)
{
if (context)
{
if (IsClosure)
{
icg.StaticLinkSlot = icg.GetArgumentSlot(0);
}
icg.ContextSlot = icg.GetArgumentSlot(0);
icg.ModuleSlot = new PropertySlot(icg.ContextSlot, typeof(ICallerContext).GetProperty("Module"));
}
if (EmitLocalDictionary)
{
PromoteLocalsToEnvironment();
}
if (Options.TracebackSupport)
{
// push a try for traceback support
icg.PushTryBlock();
icg.BeginExceptionBlock();
}
// emit the actual body
if (yieldCount > 0)
{
EmitGeneratorBody(icg, cg);
}
else
{
EmitFunctionBody(icg, cg);
}
if (Options.TracebackSupport)
{
// push a fault block (runs only if there's an exception, doesn't handle the exception)
icg.PopTargets();
if (icg.IsDynamicMethod)
{
icg.BeginCatchBlock(typeof(Exception));
}
else
{
icg.BeginFaultBlock();
}
EmitUpdateTraceBack(icg, cg);
// end the exception block
if (icg.IsDynamicMethod)
{
icg.Emit(OpCodes.Rethrow);
}
icg.EndExceptionBlock();
}
icg.Finish();
}
public static void EmitStackTraceFaultBlock(CodeGen cg, string name, string displayName)
{
Contract.RequiresNotNull(cg, "cg");
Contract.RequiresNotNull(name, "name");
Contract.RequiresNotNull(displayName, "displayName");
if (ScriptDomainManager.Options.DynamicStackTraceSupport)
{
// push a fault block (runs only if there's an exception, doesn't handle the exception)
cg.PopTargets();
if (cg.IsDynamicMethod)
{
cg.BeginCatchBlock(typeof(Exception));
}
else
{
cg.BeginFaultBlock();
}
cg.EmitCodeContext();
if (cg.IsDynamicMethod)
{
cg.ConstantPool.AddData(cg.MethodBase).EmitGet(cg);
}
else
{
cg.Emit(OpCodes.Ldtoken, cg.MethodInfo);
cg.EmitCall(typeof(MethodBase), "GetMethodFromHandle", new Type[] { typeof(RuntimeMethodHandle) });
}
cg.EmitString(name);
cg.EmitString(displayName);
cg.EmitGetCurrentLine();
cg.EmitCall(typeof(ExceptionHelpers), "UpdateStackTrace");
// end the exception block
if (cg.IsDynamicMethod)
{
cg.Emit(OpCodes.Rethrow);
}
cg.EndExceptionBlock();
}
}
