rct2-address-parser.cs

using System.Text.RegularExpressions;
using System.IO;
using System;
using System.Collections.Generic;
using System.Linq;

namespace format_rct2_functionlist_cs
{
    class Program
    {
        static void Main(string[] args)
        {
            // Path to file with output from: git grep -h -A 15 '\*\s*rct2\s*:'
            string contents = File.ReadAllText(args[0]);
            Regex fullRegex = new Regex(pattern: @"\*\s*rct2:\s*(.*?)\s*\*\/.*?([^\s]+?)(\(|\[|\s*=)", RegexOptions.Singleline);
            Match match = fullRegex.Match(contents);
            while (match.Success)
            {
                string part = match.ToString();
                string comment = match.Groups[1].ToString().Trim().Replace("\r\n", @"\n");
                string identifier = match.Groups[2].ToString();
                string type = part.EndsWith("(") ? "function" : "variable";
                List<uint> addresses = new List<uint>();

                // Find addresses in comment
                Regex addressRegex = new Regex(pattern: @"(?:0x)?([0-9A-F]{4,})", RegexOptions.IgnoreCase);
                Match address = addressRegex.Match(comment);
                while (address.Success)
                {
                    string addrStr = address.Groups[1].ToString();
                    uint addr = uint.Parse(addrStr, System.Globalization.NumberStyles.HexNumber);
                    addresses.Add(addr);

                    address = address.NextMatch();
                }

                string mainAddress = "<not found>";
                string mentionedAddresses = "";

                if (addresses.Count() != 0)
                {
                    mainAddress = "0x" + addresses[0].ToString("X8");
                    addresses.RemoveAt(0);
                    mentionedAddresses = string.Join(", ", addresses.Select(x => "0x" + x.ToString("X8")).ToArray());
                }
                
                Console.Write(mainAddress + "\t");
                Console.Write(type + "\t");
                Console.Write(identifier + "\t");
                Console.Write(mentionedAddresses + "\n");

                match = match.NextMatch();
            }

            return;
        }
    }
}