/// <summary>
/// Adds an enum value to the enumValuesByNumber table. If an enum value
/// with the same type and number already exists, this method does nothing.
/// (This is allowed; the first value defined with the number takes precedence.)
/// </summary>
public void AddEnumValueByNumber(EnumValueDescriptor enumValue)
{
DescriptorIntPair key = new DescriptorIntPair(enumValue.EnumDescriptor, enumValue.Number);
if (!enumValuesByNumber.ContainsKey(key))
{
enumValuesByNumber[key] = enumValue;
}
}
/// <summary>
/// Adds a field to the fieldsByNumber table.
/// </summary>
/// <exception cref="DescriptorValidationException">A field with the same
/// containing type and number already exists.</exception>
internal void AddFieldByNumber(FieldDescriptor field)
{
DescriptorIntPair key = new DescriptorIntPair(field.ContainingType, field.FieldNumber);
if (fieldsByNumber.TryGetValue(key, out FieldDescriptor old))
{
throw new DescriptorValidationException(field, "Field number " + field.FieldNumber +
"has already been used in \"" +
field.ContainingType.FullName +
"\" by field \"" + old.Name + "\".");
}
fieldsByNumber[key] = field;
}