func getAsciiTab(symbols *symbols.Symbols) map[rune]asciiType { asciiMap := make(map[rune]asciiType) for i, sym := range symbols.List() { if cl, exist := symbols.CharLitSymbols.GetSymbolId(sym); exist { if cl.Val < 0x100 { asciiMap[cl.Val] = asciiType{Type: i, Comment: sym} } } } return asciiMap }