139 lines
3.7 KiB
C#
139 lines
3.7 KiB
C#
using System;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Text.RegularExpressions;
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using BepInEx;
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using HarmonyLib;
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namespace Slang
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{
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class L
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{
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private static BepInEx.Logging.ManualLogSource? _logger;
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public static void SetLogger(BepInEx.Logging.ManualLogSource logger)
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{
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_logger = logger;
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}
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public static void Debug(string message)
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{
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_logger?.LogDebug(message);
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}
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public static void Info(string message)
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{
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_logger?.LogInfo(message);
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}
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public static void Error(string message)
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{
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_logger?.LogError(message);
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}
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public static void Warning(string message)
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{
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_logger?.LogWarning(message);
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}
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}
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[BepInPlugin(PluginGuid, PluginName, "0.1.0")]
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public class SlangPlugin : BaseUnityPlugin
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{
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public const string PluginGuid = "com.biddydev.slang";
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public const string PluginName = "Slang";
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private static Regex? _slangSourceCheck = null;
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private static Regex SlangSourceCheck
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{
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get
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{
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if (_slangSourceCheck is null)
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{
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_slangSourceCheck = new Regex(@"[;{}()]|\b(let|fn|device)\b|\/\/");
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}
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return _slangSourceCheck;
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}
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}
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public static unsafe string Compile(string source)
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{
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if (string.IsNullOrEmpty(source))
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return "";
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// Add a null terminator char at the end of the source string (turns into a CStr)
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source += "\0";
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var bytes = System.Text.Encoding.UTF8.GetBytes(source);
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// don't move my memory around, C#!
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fixed (byte* pBytes = bytes)
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{
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var compiled = Ffi.compile_from_string(pBytes);
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try
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{
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return compiled.AsString();
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}
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finally
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{
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Ffi.free_string(compiled);
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}
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}
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}
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/// <summary>Take original slang source code and copies it to a file
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/// for use in restoring later.
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/// </summary>
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public static bool CopySourceToFile(string source)
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{
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return true;
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}
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public static bool IsSlangSource(ref string input)
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{
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return SlangSourceCheck.IsMatch(input);
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}
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private void Awake()
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{
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L.SetLogger(Logger);
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ExtractNativeDll("slang.dll");
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var harmony = new Harmony(PluginGuid);
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harmony.PatchAll();
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}
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private void ExtractNativeDll(string fileName)
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{
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string destinationPath = Path.Combine(Path.GetDirectoryName(Info.Location), fileName);
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Assembly assembly = Assembly.GetExecutingAssembly();
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using (Stream stream = assembly.GetManifestResourceStream(fileName))
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{
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if (stream == null)
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{
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L.Error(
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"slang.dll compiler not found. This means it was not embedded in the mod. Please contact the mod author!"
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);
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return;
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}
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try
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{
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using (FileStream fileStream = new FileStream(destinationPath, FileMode.Create))
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{
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stream.CopyTo(fileStream);
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}
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}
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catch (IOException e)
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{
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L.Warning($"Could not overwrite {fileName} (it might be in use): {e.Message}");
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}
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}
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}
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}
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}
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