Mono.CSharp.EmitContext.DefineLabel C# (CSharp) Method

		public Label DefineLabel ()
		{
			return ig.DefineLabel ();
		}

        //
        // Called back from YieldStatement
        //
        public virtual void InjectYield(EmitContext ec, Expression expr, int resume_pc, bool unwind_protect, Label resume_point)
        {
            //
            // Guard against being disposed meantime
            //
            Label disposed = ec.DefineLabel();
            var   iterator = storey as IteratorStorey;

            if (iterator != null)
            {
                ec.EmitThis();
                ec.Emit(OpCodes.Ldfld, iterator.DisposingField.Spec);
                ec.Emit(OpCodes.Brtrue_S, disposed);
            }

            //
            // store resume program-counter
            //
            ec.EmitThis();
            ec.EmitInt(resume_pc);
            ec.Emit(OpCodes.Stfld, storey.PC.Spec);

            if (iterator != null)
            {
                ec.MarkLabel(disposed);
            }

            // mark finally blocks as disabled
            if (unwind_protect && skip_finally != null)
            {
                ec.EmitInt(1);
                ec.Emit(OpCodes.Stloc, skip_finally);
            }
        }