Output: Option to suppress constructs with [CompilerGeneratedAttribute]

Il2CppDumper/Il2CppCSharpDumper.cs

@@ -17,6 +17,11 @@ namespace Il2CppInspector
         // Namespace prefixes whose contents should be skipped
         public List<string> ExcludedNamespaces { get; set; }
 
+        // Suppress types, fields and methods with the CompilerGenerated attribute; suppress the attribute itself from property getters and setters
+        public bool SuppressGenerated { get; set; }
+
+        private const string CGAttribute = "System.Runtime.CompilerServices.CompilerGeneratedAttribute";
+
         public Il2CppCSharpDumper(Il2CppModel model) => this.model = model;
 
         private StreamWriter writer;
@@ -49,6 +54,9 @@ namespace Il2CppInspector
         }
 
         private void writeType(TypeInfo type, string prefix = "") {
+            // Don't output compiler-generated types if desired
+            if (SuppressGenerated && type.GetCustomAttributes(CGAttribute).Any())
+                return;
 
             // Only print namespace if we're not nested
             if (!type.IsNested)
@@ -132,6 +140,9 @@ namespace Il2CppInspector
                     writer.Write(prefix + "\t// Fields\n");
 
                 foreach (var field in type.DeclaredFields) {
+                    if (SuppressGenerated && field.GetCustomAttributes(CGAttribute).Any())
+                        continue;
+
                     if (field.IsNotSerialized)
                         writer.Write(prefix + "\t[NonSerialized]\n");
 
@@ -191,8 +202,8 @@ namespace Il2CppInspector
 
                 string modifiers = prop.GetMethod?.GetModifierString() ?? prop.SetMethod.GetModifierString();
                 writer.Write($"{prefix}\t{modifiers}{prop.PropertyType.CSharpName} {prop.Name} {{ ");
-                writer.Write((prop.GetMethod != null ? prop.GetMethod.CustomAttributes.ToString(inline: true) + "get; " : "")
-                             + (prop.SetMethod != null ? prop.SetMethod.CustomAttributes.ToString(inline: true) + "set; " : "") + "}");
+                writer.Write((prop.GetMethod != null ? prop.GetMethod.CustomAttributes.Where(a => !SuppressGenerated || a.AttributeType.FullName != CGAttribute).ToString(inline: true) + "get; " : "")
+                             + (prop.SetMethod != null ? prop.SetMethod.CustomAttributes.Where(a => !SuppressGenerated || a.AttributeType.FullName != CGAttribute).ToString(inline: true) + "set; " : "") + "}");
                 if ((prop.GetMethod != null && prop.GetMethod.VirtualAddress != 0) || (prop.SetMethod != null && prop.SetMethod.VirtualAddress != 0))
                     writer.Write(" // ");
                 writer.Write((prop.GetMethod != null && prop.GetMethod.VirtualAddress != 0 ? Il2CppModel.FormatAddress(prop.GetMethod.VirtualAddress) + " " : "")
@@ -255,6 +266,9 @@ namespace Il2CppInspector
 
             // Don't re-output methods for constructors, properties, events etc.
             foreach (var method in type.DeclaredMethods.Except(usedMethods)) {
+                if (SuppressGenerated && method.GetCustomAttributes(CGAttribute).Any())
+                    continue;
+
                 // Attributes
                 writer.Write(method.CustomAttributes.ToString(prefix + "\t"));
                 // IL2CPP doesn't seem to retain return type attributes

Il2CppDumper/Program.cs

@@ -19,7 +19,7 @@ namespace Il2CppInspector
             Console.WriteLine("(c) 2017-2019 Katy Coe - www.djkaty.com");
             Console.WriteLine("");
 
-            // Command-line usage: dotnet run [--bin=<binary-file>] [--metadata=<metadata-file>] [--cs-out=<output-file>] [--py-out=<output-file>] [--exclude-namespaces=<ns1,n2,...>|none]
+            // Command-line usage: dotnet run [--bin=<binary-file>] [--metadata=<metadata-file>] [--cs-out=<output-file>] [--py-out=<output-file>] [--exclude-namespaces=<ns1,n2,...>|none] [--suppress-compiler-generated=false]
             // Defaults to libil2cpp.so or GameAssembly.dll if binary file not specified
             IConfiguration config = new ConfigurationBuilder().AddCommandLine(args).Build();
 
@@ -27,6 +27,8 @@ namespace Il2CppInspector
             string metaFile = config["metadata"] ?? "global-metadata.dat";
             string outCsFile = config["cs-out"] ?? "types.cs";
             string outPythonFile = config["py-out"] ?? "ida.py";
+            if (!bool.TryParse(config["suppress-compiler-generated"], out var suppressGenerated))
+                suppressGenerated = true;
 
             // Exclusions
             var excludedNamespaces = config["exclude-namespaces"]?.Split(',').ToList() ?? 
@@ -63,7 +65,8 @@ namespace Il2CppInspector
                 var model = new Il2CppModel(il2cpp);
 
                 // C# signatures output
-                new Il2CppCSharpDumper(model) {ExcludedNamespaces = excludedNamespaces}.WriteFile(outCsFile + (i++ > 0 ? "-" + (i-1) : ""));
+                new Il2CppCSharpDumper(model) {ExcludedNamespaces = excludedNamespaces, SuppressGenerated = suppressGenerated}
+                    .WriteFile(outCsFile + (i++ > 0 ? "-" + (i-1) : ""));
 
                 // IDA Python script output
                 // TODO: IDA Python script output