/// <summary>
        /// Returns zero or more local variable definitions that are local to the given scope.
        /// </summary>
        public IEnumerable <ILocalDefinition> GetVariablesInScope(ILocalScope scope)
        {
            PdbLocalScope /*?*/ pdbLocalScope = scope as PdbLocalScope;

            if (pdbLocalScope == null)
            {
                yield break;
            }
            uint index = 0;

            foreach (ILocalDefinition localDefinition in pdbLocalScope.methodBody.LocalVariables)
            {
                if (localDefinition.IsConstant)
                {
                    continue;
                }
                foreach (PdbSlot slot in pdbLocalScope.pdbScope.slots)
                {
                    if ((slot.flags & 1) != 0)
                    {
                        continue;
                    }
                    if (slot.slot == index)
                    {
                        yield return(localDefinition);

                        break;
                    }
                }
                index++;
            }
        }
        /// <summary>
        /// Returns zero or more local constant definitions that are local to the given scope.
        /// </summary>
        public IEnumerable <ILocalDefinition> GetConstantsInScope(ILocalScope scope)
        {
            PdbLocalScope /*?*/ pdbLocalScope = scope as PdbLocalScope;

            if (pdbLocalScope == null)
            {
                yield break;
            }
            foreach (PdbConstant constant in pdbLocalScope.pdbScope.constants)
            {
                yield return(new PdbLocalConstant(constant, this.host, pdbLocalScope.methodBody.MethodDefinition));
            }
        }