public ProtoSpecEnumValue SetEnumValue(string name, int value)
{
if (EnumValueDict.ContainsKey(name))
{
Error("枚举值" + name + "重复定义");
}
ProtoSpecEnumValue result = new ProtoSpecEnumValue(name, value);
EnumValueDict.Add(name, result);
return(result);
}
public ProtoSpecEnumValue AllocEnumValue(string name)
{
if (EnumValueDict.ContainsKey(name))
{
return(EnumValueDict[name]);
}
if (EnumValue > 255)
{
Error("枚举值自动增长超过了255");
}
ProtoSpecEnumValue value = new ProtoSpecEnumValue(name, EnumValue);
EnumValueDict.Add(name, value);
EnumValue = EnumValue + 1;
return(value);
}
private ProtoSpecEnumValueList ParseEnum()
{
NextToken();
if (CurrentToken.Type != ProtoSpecTokenType.LeftBrace)
{
Error("枚举定义起始位置，缺少'{'");
}
ProtoSpecEnumValueList result = new ProtoSpecEnumValueList();
NextToken();
while (true)
{
if (CurrentToken.Type != ProtoSpecTokenType.Identifier)
{
if (CurrentToken.Type != ProtoSpecTokenType.EndOfFile && CurrentToken.Type != ProtoSpecTokenType.RightBrace)
{
Error("枚举值缺少名称");
}
break;
}
string name = CurrentToken.Text;
ProtoSpecEnumValue value = null;
NextToken();
if (CurrentToken.Type == ProtoSpecTokenType.Equal)
{
NextToken();
if (CurrentToken.Type == ProtoSpecTokenType.Numeral)
{
value = SetEnumValue(name, int.Parse(CurrentToken.Text));
NextToken();
}
else
{
Error("枚举值必须是0 ~ 255之间的数值");
}
}
else
{
value = AllocEnumValue(name);
}
result.Add(value);
}
if (CurrentToken.Type != ProtoSpecTokenType.RightBrace)
{
Error("枚举定义结束位置，缺少'}'");
}
return(result);
}
