Add source generator for input map names.

src/SharpIDE.Godot/SharpIDE.Godot.csproj

@@ -26,7 +26,17 @@
       <DoNotPublicize Include="Microsoft.CodeAnalysis.Workspaces:System.Linq.RoslynEnumerableExtensions" />
   </ItemGroup>
 
+  <ItemGroup>
+      <ProjectReference Include="..\SharpIDE.SourceGenerators\SharpIDE.SourceGenerators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+  </ItemGroup>
+
   <ItemGroup>
     <None Include="version.txt" />
   </ItemGroup>
+
+  <ItemGroup>
+      <None Remove="project.godot"/>
+      <AdditionalFiles Include="project.godot"/>
+  </ItemGroup>
+
 </Project>

src/SharpIDE.Godot/SharpIDE.Godot.sln

@@ -19,6 +19,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		..\..\.globalconfig = ..\..\.globalconfig
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharpIDE.SourceGenerators", "..\SharpIDE.SourceGenerators\SharpIDE.SourceGenerators.csproj", "{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 	Debug|Any CPU = Debug|Any CPU
@@ -44,5 +46,11 @@ Global
 		{DFF170D9-D92E-4DB7-83B5-19640EAF79D2}.ExportDebug|Any CPU.Build.0 = Debug|Any CPU
 		{DFF170D9-D92E-4DB7-83B5-19640EAF79D2}.ExportRelease|Any CPU.ActiveCfg = Debug|Any CPU
 		{DFF170D9-D92E-4DB7-83B5-19640EAF79D2}.ExportRelease|Any CPU.Build.0 = Debug|Any CPU
+		{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}.ExportDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}.ExportDebug|Any CPU.Build.0 = Debug|Any CPU
+		{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}.ExportRelease|Any CPU.ActiveCfg = Debug|Any CPU
+		{3EE9E01D-5C04-4C6D-89DD-D85F1F527976}.ExportRelease|Any CPU.Build.0 = Debug|Any CPU
 	EndGlobalSection
 EndGlobal

src/SharpIDE.Godot/InputStringNames.cs → src/SharpIDE.Godot/ThemeStringNames.cs

@@ -2,17 +2,6 @@
 
 namespace SharpIDE.Godot;
 
-public static class InputStringNames
-{
-    public static readonly StringName RenameSymbol = nameof(RenameSymbol);
-    public static readonly StringName CodeFixes = nameof(CodeFixes);
-    public static readonly StringName StepOver = nameof(StepOver);
-    public static readonly StringName FindInFiles = nameof(FindInFiles);
-    public static readonly StringName FindFiles = nameof(FindFiles);
-    public static readonly StringName SaveFile = nameof(SaveFile);
-    public static readonly StringName SaveAllFiles = nameof(SaveAllFiles);
-}
-
 public static class ThemeStringNames
 {
     public static readonly StringName Font = "font";

src/SharpIDE.SourceGenerators/InputMapName/InputMapNameConstants.cs

@@ -0,0 +1,16 @@
+namespace SharpIDE.SourceGenerators.InputMapName;
+
+public class InputMapNameConstants
+{
+	public const string PropertiesPlaceholder = "{Properties}";
+	public const string Code = $$"""
+	                           // <auto-generated/>
+	                           using Godot;
+	                           namespace SharpIDE.Godot;
+
+	                           public static partial class InputStringNames
+	                           {
+	                           {{PropertiesPlaceholder}}
+	                           }
+	                           """;
+}

src/SharpIDE.SourceGenerators/InputMapName/InputMapNameGenerator.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using Microsoft.CodeAnalysis;
+
+namespace SharpIDE.SourceGenerators.InputMapName;
+
+[Generator]
+public class InputMapNameGenerator : IIncrementalGenerator
+{
+	private static readonly Regex _inputNameRegex = new(@"\b(\w+)\s*=\s*\{", RegexOptions.Compiled);
+
+    public void Initialize(IncrementalGeneratorInitializationContext context)
+    {
+        var inputMapNamesProvider = context.AdditionalTextsProvider
+            .Where(at => Path.GetFileName(at.Path).Equals("project.godot", StringComparison.OrdinalIgnoreCase));
+        context.RegisterSourceOutput(inputMapNamesProvider, GenerateInputMapNames);
+    }
+
+    private static void GenerateInputMapNames(SourceProductionContext context, AdditionalText additionalText)
+    {
+        var text = additionalText.GetText(context.CancellationToken);
+        if (text is null)
+            return;
+
+        // Parse the input map names from the project.godot file
+        var matchCollection = _inputNameRegex.Matches(text.ToString());
+	    var inputMapNames = matchCollection.Cast<Match>().Select(match => match.Groups[1].Value).ToList();
+
+        // Generate the source code
+        var sourceText = InputMapNameConstants.Code.Replace(InputMapNameConstants.PropertiesPlaceholder, GenerateProperties(inputMapNames));
+
+        // Add the source code to the compilation
+        context.AddSource("InputMapNames.g.cs", sourceText);
+    }
+
+    private static string GenerateProperties(IEnumerable<string> inputMapNames)
+    {
+        var propertiesBuilder = new System.Text.StringBuilder();
+		foreach (var name in inputMapNames)
+		{
+			var safeName = SanitizeIdentifier(name);
+			propertiesBuilder.AppendLine($"\tpublic const string {safeName} = \"{name}\";");
+		}
+		return propertiesBuilder.ToString();
+    }
+    /// <summary>
+    /// Sanitizes a string to be a valid C# identifier.
+    /// Replaces invalid characters with underscores and ensures the identifier does not start with a digit.
+    /// </summary>
+    private static string SanitizeIdentifier(string name)
+    {
+        if (string.IsNullOrEmpty(name))
+            return "_";
+
+        // Remove invalid characters
+        var sanitized = Regex.Replace(name, "[^a-zA-Z0-9_]", "");
+
+        // If the first character is not a letter or underscore, prefix with underscore
+        if (!char.IsLetter(sanitized, 0) && sanitized[0] != '_')
+            sanitized = "_" + sanitized;
+
+        return sanitized;
+    }
+}

src/SharpIDE.SourceGenerators/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+	"$schema": "http://json.schemastore.org/launchsettings.json",
+	"profiles": {
+		"SharpIDE.SourceGenerators": {
+			"commandName": "DebugRoslynComponent",
+			"targetProject": "../SharpIDE.Godot/SharpIDE.Godot.csproj"
+		}
+	}
+}

src/SharpIDE.SourceGenerators/SharpIDE.SourceGenerators.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <EnableCentralPackageVersions>false</EnableCentralPackageVersions>
+    <ManagePackageVersionsCentrally>false</ManagePackageVersionsCentrally>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <Nullable>enable</Nullable>
+    <LangVersion>latest</LangVersion>
+
+    <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+    <IsRoslynComponent>true</IsRoslynComponent>
+
+    <RootNamespace>SharpIDE.SourceGenerators</RootNamespace>
+    <PackageId>SharpIDE.SourceGenerators</PackageId>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
+  </ItemGroup>
+
+</Project>