diff --git a/examples/SDL/SDL.cs b/examples/SDL/SDL.cs
index 941293e4..2a265a5d 100644
--- a/examples/SDL/SDL.cs
+++ b/examples/SDL/SDL.cs
@@ -23,31 +23,31 @@ namespace CppSharp
             driver.TranslationUnitPasses.RemovePrefix("LOG_CATEGORY_");
         }
 
-        public void Preprocess(Driver driver, ASTContext lib)
+        public void Preprocess(Driver driver, ASTContext ctx)
         {
-            lib.IgnoreEnumWithMatchingItem("SDL_FALSE");
-            lib.IgnoreEnumWithMatchingItem("DUMMY_ENUM_VALUE");
+            ctx.IgnoreEnumWithMatchingItem("SDL_FALSE");
+            ctx.IgnoreEnumWithMatchingItem("DUMMY_ENUM_VALUE");
 
-            lib.SetNameOfEnumWithMatchingItem("SDL_SCANCODE_UNKNOWN", "ScanCode");
-            lib.SetNameOfEnumWithMatchingItem("SDLK_UNKNOWN", "Key");
-            lib.SetNameOfEnumWithMatchingItem("KMOD_NONE", "KeyModifier");
-            lib.SetNameOfEnumWithMatchingItem("SDL_LOG_CATEGORY_CUSTOM", "LogCategory");
+            ctx.SetNameOfEnumWithMatchingItem("SDL_SCANCODE_UNKNOWN", "ScanCode");
+            ctx.SetNameOfEnumWithMatchingItem("SDLK_UNKNOWN", "Key");
+            ctx.SetNameOfEnumWithMatchingItem("KMOD_NONE", "KeyModifier");
+            ctx.SetNameOfEnumWithMatchingItem("SDL_LOG_CATEGORY_CUSTOM", "LogCategory");
 
-            lib.GenerateEnumFromMacros("InitFlags", "SDL_INIT_(.*)").SetFlags();
-            lib.GenerateEnumFromMacros("Endianness", "SDL_(.*)_ENDIAN");
-            lib.GenerateEnumFromMacros("InputState", "SDL_RELEASED", "SDL_PRESSED");
-            lib.GenerateEnumFromMacros("AlphaState", "SDL_ALPHA_(.*)");
-            lib.GenerateEnumFromMacros("HatState", "SDL_HAT_(.*)");
+            ctx.GenerateEnumFromMacros("InitFlags", "SDL_INIT_(.*)").SetFlags();
+            ctx.GenerateEnumFromMacros("Endianness", "SDL_(.*)_ENDIAN");
+            ctx.GenerateEnumFromMacros("InputState", "SDL_RELEASED", "SDL_PRESSED");
+            ctx.GenerateEnumFromMacros("AlphaState", "SDL_ALPHA_(.*)");
+            ctx.GenerateEnumFromMacros("HatState", "SDL_HAT_(.*)");
 
-            lib.IgnoreHeadersWithName("SDL_atomic*");
-            lib.IgnoreHeadersWithName("SDL_endian*");
-            lib.IgnoreHeadersWithName("SDL_main*");
-            lib.IgnoreHeadersWithName("SDL_mutex*");
-            lib.IgnoreHeadersWithName("SDL_stdinc*");
-            lib.IgnoreHeadersWithName("SDL_error");
+            ctx.IgnoreHeadersWithName("SDL_atomic*");
+            ctx.IgnoreHeadersWithName("SDL_endian*");
+            ctx.IgnoreHeadersWithName("SDL_main*");
+            ctx.IgnoreHeadersWithName("SDL_mutex*");
+            ctx.IgnoreHeadersWithName("SDL_stdinc*");
+            ctx.IgnoreHeadersWithName("SDL_error");
 
-            lib.IgnoreEnumWithMatchingItem("SDL_ENOMEM");
-            lib.IgnoreFunctionWithName("SDL_Error");
+            ctx.IgnoreEnumWithMatchingItem("SDL_ENOMEM");
+            ctx.IgnoreFunctionWithName("SDL_Error");
         }
 
         public void Postprocess(Driver driver, ASTContext lib)
diff --git a/src/CppParser/Bindings/ParserGen.cs b/src/CppParser/Bindings/ParserGen.cs
index de9d84e4..039446b2 100644
--- a/src/CppParser/Bindings/ParserGen.cs
+++ b/src/CppParser/Bindings/ParserGen.cs
@@ -56,13 +56,13 @@ namespace CppSharp
 
         }
 
-        public void Preprocess(Driver driver, ASTContext lib)
+        public void Preprocess(Driver driver, ASTContext ctx)
         {
-            lib.SetClassAsValueType("CppSharp::ParserOptions");
-            lib.SetClassAsValueType("CppSharp::ParserDiagnostic");
-            lib.SetClassAsValueType("CppSharp::ParserResult");
+            ctx.SetClassAsValueType("CppSharp::ParserOptions");
+            ctx.SetClassAsValueType("CppSharp::ParserDiagnostic");
+            ctx.SetClassAsValueType("CppSharp::ParserResult");
 
-            lib.RenameNamespace("CppSharp::CppParser", "Parser");
+            ctx.RenameNamespace("CppSharp::CppParser", "Parser");
         }
 
         public void Postprocess(Driver driver, ASTContext lib)
diff --git a/src/Generator/Library.cs b/src/Generator/Library.cs
index 8888d9f3..3b87755d 100644
--- a/src/Generator/Library.cs
+++ b/src/Generator/Library.cs
@@ -15,7 +15,7 @@ namespace CppSharp
         /// <summary>
         /// Do transformations that should happen before passes are processed.
         /// </summary>
-        void Preprocess(Driver driver, ASTContext lib);
+        void Preprocess(Driver driver, ASTContext ctx);
 
         /// <summary>
         /// Do transformations that should happen after passes are processed.
diff --git a/src/Generator/Utils/TestsUtils.cs b/src/Generator/Utils/TestsUtils.cs
index 9cd76512..5d2e01ba 100644
--- a/src/Generator/Utils/TestsUtils.cs
+++ b/src/Generator/Utils/TestsUtils.cs
@@ -81,7 +81,7 @@ namespace CppSharp.Utils
                 options.Headers.Add(Path.GetFileName(file));
         }
 
-        public virtual void Preprocess(Driver driver, ASTContext lib)
+        public virtual void Preprocess(Driver driver, ASTContext ctx)
         {
         }
 
diff --git a/tests/Basic/Basic.cs b/tests/Basic/Basic.cs
index a9176006..876c14d3 100644
--- a/tests/Basic/Basic.cs
+++ b/tests/Basic/Basic.cs
@@ -15,17 +15,15 @@ namespace CppSharp.Tests
         public override void SetupPasses(Driver driver)
         {
             if (driver.Options.IsCSharpGenerator)
-            {
-                driver.Options.GenerateAbstractImpls = true;                
-            }
+                driver.Options.GenerateAbstractImpls = true;
         }
 
-        public override void Preprocess(Driver driver, ASTContext lib)
+        public override void Preprocess(Driver driver, ASTContext ctx)
         {
-            lib.SetClassAsValueType("Bar");
-            lib.SetClassAsValueType("Bar2");
-            lib.SetMethodParameterUsage("Hello", "TestPrimitiveOut", 1, ParameterUsage.Out);
-            lib.SetMethodParameterUsage("Hello", "TestPrimitiveOutRef", 1, ParameterUsage.Out);
+            ctx.SetClassAsValueType("Bar");
+            ctx.SetClassAsValueType("Bar2");
+            ctx.SetMethodParameterUsage("Hello", "TestPrimitiveOut", 1, ParameterUsage.Out);
+            ctx.SetMethodParameterUsage("Hello", "TestPrimitiveOutRef", 1, ParameterUsage.Out);
         }
 
         public static void Main(string[] args)
diff --git a/tests/CLITemp/CLITemp.cs b/tests/CLITemp/CLITemp.cs
index 191624c4..bbac2855 100644
--- a/tests/CLITemp/CLITemp.cs
+++ b/tests/CLITemp/CLITemp.cs
@@ -11,7 +11,7 @@ namespace CppSharp.Tests
         {
         }
 
-        public override void Preprocess(Driver driver, ASTContext lib)
+        public override void Preprocess(Driver driver, ASTContext ctx)
         {
         }
 
diff --git a/tests/STL/STL.cs b/tests/STL/STL.cs
index 56c4e222..5799f5db 100644
--- a/tests/STL/STL.cs
+++ b/tests/STL/STL.cs
@@ -11,7 +11,7 @@ namespace CppSharp.Tests
         {
         }
 
-        public override void Preprocess(Driver driver, ASTContext lib)
+        public override void Preprocess(Driver driver, ASTContext ctx)
         {
         }
 
diff --git a/tests/UTF16/UTF16.cs b/tests/UTF16/UTF16.cs
index 33e155a9..6c6c7e55 100644
--- a/tests/UTF16/UTF16.cs
+++ b/tests/UTF16/UTF16.cs
@@ -17,7 +17,7 @@ namespace CppSharp.Tests
             driver.Options.Encoding = Encoding.Unicode;
         }
 
-        public override void Preprocess(Driver driver, ASTContext lib)
+        public override void Preprocess(Driver driver, ASTContext ctx)
         {
 
         }
diff --git a/tests/VTables/VTables.cs b/tests/VTables/VTables.cs
index 2d3b6eef..13735ca6 100644
--- a/tests/VTables/VTables.cs
+++ b/tests/VTables/VTables.cs
@@ -19,7 +19,7 @@ namespace CppSharp.Tests
             driver.TranslationUnitPasses.AddPass(new FunctionToInstanceMethodPass());
         }
 
-        public override void Preprocess(Driver driver, ASTContext lib)
+        public override void Preprocess(Driver driver, ASTContext ctx)
         {
 
         }