Unified the C# mod and the Rust compiler into a monorepo

.gitignore

@@ -1,2 +1,5 @@
-/target
+target
 *.ic10
+release
+bin
+obj

build.sh

@@ -2,21 +2,46 @@
 
 set -e
 
+RUST_DIR="rust_compiler"
+CSHARP_DIR="csharp_mod"
+RELEASE_DIR="release"
+
 export RUSTFLAGS="--remap-path-prefix=${PWD}=. --remap-path-prefix=${HOME}/.cargo=~/.cargo"
 
-# -- Build for Native (Linux x86-64) --
-echo "Building native (Linux x86-64) executable..."
-cargo build --release --target=x86_64-unknown-linux-gnu
-echo "Native build complete."
 echo "--------------------"
+cd "$RUST_DIR"
+echo "Building native Rust binaries and libs"
+
+# -- Build for Native (Linux x86-64) --
+cargo build --release --target=x86_64-unknown-linux-gnu
 
 # -- Build for Windows (x86-64) --
-echo "Building Windows (x86-64) dll and executable..."
 cargo build --release --target=x86_64-pc-windows-gnu
-echo "Windows build successful."
+
+cd ..
 echo "--------------------"
 
-echo "All builds successful"
-echo "Linux executable at target/x86_64-unknown-linux-gnu/release/slang"
-echo "Windows .exe at target/x86_64-pc-windows-gnu/release/slang.exe"
-echo "Windows .dll at target/x86_64-pc-windows-gnu/release/slang.dll"
+echo "Building C# mod"
+echo "--------------------"
+
+cd "$CSHARP_DIR"
+dotnet build -c Release
+
+cd ..
+echo "--------------------"
+
+echo "Copying Release files to output directory"
+echo "--------------------"
+
+RUST_WIN_EXE="$RUST_DIR/target/x86_64-pc-windows-gnu/release/slang.exe"
+RUST_LINUX_BIN="$RUST_DIR/target/x86_64-unknown-linux-gnu/release/slang"
+CHARP_DLL="$CSHARP_DIR/bin/Release/net46/StationeersSlang.dll"
+
+# Check if the release dir exists, if not: create it.
+if [[ ! -d "$RELEASE_DIR" ]]; then
+  mkdir "$RELEASE_DIR"
+fi
+
+cp "$RUST_WIN_EXE" "$RELEASE_DIR/slang.exe"
+cp "$RUST_LINUX_BIN" "$RELEASE_DIR/slang"
+cp "$CHARP_DLL" "$RELEASE_DIR/StationeersSlang.dll"

csharp_mod/Patches.cs

@@ -0,0 +1,36 @@
+using Assets.Scripts.Objects.Motherboards;
+using HarmonyLib;
+
+namespace Slang
+{
+    [HarmonyPatch]
+    public static class SlangPatches
+    {
+        [HarmonyPatch(
+            typeof(ProgrammableChipMotherboard),
+            nameof(ProgrammableChipMotherboard.InputFinished)
+        )]
+        [HarmonyPrefix]
+        public static void PGM_InputFinished(ref string result)
+        {
+            if (string.IsNullOrEmpty(result) || !SlangPlugin.IsSlangSource(ref result))
+            {
+                return;
+            }
+
+            L.Info("Detected Slang source, compiling...");
+
+            // Compile the Slang source into IC10
+            string compiled = SlangPlugin.Compile(result);
+
+            // Ensure that the string is correct
+            if (string.IsNullOrEmpty(compiled))
+            {
+                return;
+            }
+
+            // Set the result to be the compiled source so the rest of the function can continue as normal
+            result = compiled;
+        }
+    }
+}

csharp_mod/SlangPlugin.cs

@@ -0,0 +1,119 @@
+using System;
+using System.IO;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using BepInEx;
+using HarmonyLib;
+
+namespace Slang
+{
+    class L
+    {
+        private static BepInEx.Logging.ManualLogSource _logger;
+
+        public static void SetLogger(BepInEx.Logging.ManualLogSource logger)
+        {
+            _logger = logger;
+        }
+
+        public static void Debug(string message)
+        {
+            _logger.LogDebug(message);
+        }
+
+        public static void Info(string message)
+        {
+            _logger.LogInfo(message);
+        }
+
+        public static void Error(string message)
+        {
+            _logger.LogError(message);
+        }
+
+        public static void Warning(string message)
+        {
+            _logger.LogWarning(message);
+        }
+    }
+
+    [BepInPlugin(PluginGuid, PluginName, "0.1.0")]
+    public class SlangPlugin : BaseUnityPlugin
+    {
+        public const string PluginGuid = "com.dbidwell94.slang";
+        public const string PluginName = "Slang";
+
+        const string RUST_DLL_NAME = "slang.dll";
+
+        private readonly string[] SLANG_KEYWORDS = { "let ", "fn " };
+
+        /// <summary>Takes raw `Slang` source code and compiles it into IC10</summary>
+        [DllImport(RUST_DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
+        private static extern IntPtr compile_from_string(string input);
+
+        /// <summary>Frees memory that was allocated by the FFI call to `compile_from_string`</summary>
+        [DllImport(RUST_DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
+        private static extern void free_slang_string(IntPtr ptr);
+
+        public static string Compile(string source)
+        {
+            if (string.IsNullOrEmpty(source))
+                return "";
+
+            IntPtr ptr = compile_from_string(source);
+            try
+            {
+                return Marshal.PtrToStringAnsi(ptr);
+            }
+            finally
+            {
+                free_slang_string(ptr);
+            }
+        }
+
+        public static bool IsSlangSource(ref string input)
+        {
+            return true;
+        }
+
+        private void Awake()
+        {
+            L.SetLogger(Logger);
+            ExtractNativeDll(RUST_DLL_NAME);
+            var harmony = new Harmony("com.dbidwell94.slang");
+            harmony.PatchAll();
+        }
+
+        private void ExtractNativeDll(string fileName)
+        {
+            string destinationPath = Path.Combine(Path.GetDirectoryName(Info.Location), fileName);
+
+            Assembly assembly = Assembly.GetExecutingAssembly();
+
+            using (Stream stream = assembly.GetManifestResourceStream(fileName))
+            {
+                if (stream == null)
+                {
+                    Logger.LogError(
+                        $"{RUST_DLL_NAME} compiler not found. This means it was not embedded in the mod. Please contact the mod author!"
+                    );
+                    return;
+                }
+
+                try
+                {
+                    using (FileStream fileStream = new FileStream(destinationPath, FileMode.Create))
+                    {
+                        stream.CopyTo(fileStream);
+                    }
+                }
+                catch (IOException e)
+                {
+                    Logger.LogWarning(
+                        $"Could not overwrite {fileName} (it might be in use): {e.Message}"
+                    );
+                }
+            }
+        }
+    }
+}

csharp_mod/stationeersSlang.csproj

@@ -0,0 +1,57 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net46</TargetFramework>
+    <Nullable>enable</Nullable>
+    <AssemblyName>StationeersSlang</AssemblyName>
+    <Description>Slang Compiler Bridge</Description>
+    <Version>0.1.0</Version>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>latest</LangVersion>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <GameDir>/home/dbidwell/.local/share/Steam/steamapps/common/Stationeers/</GameDir>
+    <ManagedDir>$(GameDir)/rocketstation_Data/Managed</ManagedDir>
+    <BepInExDir>$(GameDir)/BepInEx/core</BepInExDir>
+  </PropertyGroup>
+
+  <ItemGroup>
+      <Reference Include="netstandard">
+        <HintPath>$(ManagedDir)/netstandard.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+      <Reference Include="BepInEx">
+        <HintPath>$(BepInExDir)/BepInEx.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+      <Reference Include="0Harmony">
+        <HintPath>$(BepInExDir)/0Harmony.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+
+      <Reference Include="UnityEngine">
+        <HintPath>$(ManagedDir)/UnityEngine.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+      <Reference Include="UnityEngine.CoreModule">
+        <HintPath>$(ManagedDir)/UnityEngine.CoreModule.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+      <Reference Include="Assembly-CSharp">
+        <HintPath>$(ManagedDir)/Assembly-CSharp.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+      <Reference Include="Assembly-CSharp-firstpass">
+        <HintPath>$(ManagedDir)/Assembly-CSharp-firstpass.dll</HintPath>
+        <Private>False</Private>
+      </Reference>
+    </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="../rust_compiler/target/x86_64-pc-windows-gnu/release/slang.dll">
+      <LogicalName>slang.dll</LogicalName>
+    </EmbeddedResource>
+  </ItemGroup>
+
+</Project>

rust_compiler/libs/parser/src/lib.rs

@@ -4,6 +4,7 @@ mod test;
 pub mod sys_call;
 pub mod tree_node;
 
+use crate::sys_call::System;
 use quick_error::quick_error;
 use std::io::SeekFrom;
 use sys_call::SysCall;
@@ -13,8 +14,6 @@ use tokenizer::{
 };
 use tree_node::*;
 
-use crate::sys_call::System;
-
 #[macro_export]
 /// A macro to create a boxed value.
 macro_rules! boxed {