Remove lombok

18 files changed, 821 insertions, 313 deletions

diff --git a/src/main/java/org/zwobble/couscous/backends/python/PythonCodeGenerator.java b/src/main/java/org/zwobble/couscous/backends/python/PythonCodeGenerator.java
index cc2b116..01e62c1 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/PythonCodeGenerator.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/PythonCodeGenerator.java
@@ -1,10 +1,10 @@
 package org.zwobble.couscous.backends.python;
 
+import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
-
 import org.zwobble.couscous.ast.AssignmentNode;
 import org.zwobble.couscous.ast.ClassNode;
 import org.zwobble.couscous.ast.ConstructorCallNode;
@@ -28,6 +28,7 @@ import org.zwobble.couscous.ast.visitors.NodeVisitorWithEmptyDefaults;
 import org.zwobble.couscous.ast.visitors.NodeVisitors;
 import org.zwobble.couscous.ast.visitors.StatementNodeMapper;
 import org.zwobble.couscous.backends.python.ast.PythonBlock;
+import org.zwobble.couscous.backends.python.ast.PythonClassNode;
 import org.zwobble.couscous.backends.python.ast.PythonExpressionNode;
 import org.zwobble.couscous.backends.python.ast.PythonFunctionDefinitionNode;
 import org.zwobble.couscous.backends.python.ast.PythonImportNode;
@@ -40,13 +41,11 @@ import org.zwobble.couscous.values.PrimitiveValue;
 import org.zwobble.couscous.values.PrimitiveValueVisitor;
 import org.zwobble.couscous.values.StringValue;
 import org.zwobble.couscous.values.UnitValue;
-
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Iterators;
-
 import static com.google.common.collect.Iterators.singletonIterator;
 import static java.util.Arrays.asList;
 import static org.zwobble.couscous.backends.python.ast.PythonAssignmentNode.pythonAssignment;
@@ -64,54 +63,38 @@ import static org.zwobble.couscous.backends.python.ast.PythonReturnNode.pythonRe
 import static org.zwobble.couscous.backends.python.ast.PythonStringLiteralNode.pythonStringLiteral;
 import static org.zwobble.couscous.backends.python.ast.PythonVariableReferenceNode.pythonVariableReference;
 
-import lombok.val;
-
 public class PythonCodeGenerator {
+    
+    
     public static PythonModuleNode generateCode(ClassNode classNode) {
-        val imports = generateImports(classNode).iterator();
-
-        val constructor = generateConstructor(classNode.getConstructor());
-        
-        val pythonMethods = Iterables.transform(
-            classNode.getMethods(),
-            PythonCodeGenerator::generateFunction);
-        
-        
-        val pythonBody = Iterables.concat(
-            asList(constructor),
-            pythonMethods);
-        
-        val pythonClass = pythonClass(
-            classNode.getSimpleName(),
-            ImmutableList.copyOf(pythonBody));
-        
-        return pythonModule(ImmutableList.copyOf(Iterators.concat(
-            imports,
-            singletonIterator(pythonClass))));
+        Iterator<org.zwobble.couscous.backends.python.ast.PythonImportNode> imports = generateImports(classNode).iterator();
+        PythonFunctionDefinitionNode constructor = generateConstructor(classNode.getConstructor());
+        Iterable<PythonFunctionDefinitionNode> pythonMethods = Iterables.transform(classNode.getMethods(), PythonCodeGenerator::generateFunction);
+        Iterable<PythonStatementNode> pythonBody = Iterables.concat(asList(constructor), pythonMethods);
+        PythonClassNode pythonClass = pythonClass(classNode.getSimpleName(), ImmutableList.copyOf(pythonBody));
+        return pythonModule(ImmutableList.copyOf(Iterators.concat(imports, singletonIterator(pythonClass))));
     }
-
+    
     private static Stream<PythonImportNode> generateImports(ClassNode classNode) {
-        val classes = findReferencedClasses(classNode);
-        return classes.stream()
-            .map(name -> pythonImport(
-                Strings.repeat(".", packageDepth(classNode) + 1) + name.getQualifiedName(),
-                asList(pythonImportAlias(name.getSimpleName()))));
+        final java.util.Set<org.zwobble.couscous.ast.TypeName> classes = findReferencedClasses(classNode);
+        return classes.stream().map(name -> pythonImport(Strings.repeat(".", packageDepth(classNode) + 1) + name.getQualifiedName(), asList(pythonImportAlias(name.getSimpleName()))));
     }
     
     private static int packageDepth(ClassNode classNode) {
         int depth = 0;
-        val qualifiedName = classNode.getName().getQualifiedName();
+        final java.lang.String qualifiedName = classNode.getName().getQualifiedName();
         for (int index = 0; index < qualifiedName.length(); index++) {
             if (qualifiedName.charAt(index) == '.') {
-                depth += 1;                
+                depth += 1;
             }
         }
         return depth;
     }
     
     private static Set<TypeName> findReferencedClasses(ClassNode classNode) {
-        val imports = ImmutableSet.<TypeName>builder();
-        NodeVisitors.visitAll(classNode, new NodeVisitorWithEmptyDefaults() {
+        ImmutableSet.Builder<TypeName> imports = ImmutableSet.builder();
+        NodeVisitors.visitAll(classNode, new NodeVisitorWithEmptyDefaults(){
+            
             @Override
             public void visit(StaticMethodCallNode staticMethodCall) {
                 imports.add(staticMethodCall.getClassName());
@@ -126,22 +109,23 @@ public class PythonCodeGenerator {
     }
     
     public static PythonExpressionNode generateCode(PrimitiveValue value) {
-        return value.accept(new PrimitiveValueVisitor<PythonExpressionNode>() {
+        return value.accept(new PrimitiveValueVisitor<PythonExpressionNode>(){
+            
             @Override
             public PythonExpressionNode visit(IntegerValue value) {
                 return pythonIntegerLiteral(value.getValue());
             }
-
+            
             @Override
             public PythonExpressionNode visit(StringValue value) {
                 return pythonStringLiteral(value.getValue());
             }
-
+            
             @Override
             public PythonExpressionNode visit(BooleanValue value) {
                 return pythonBooleanLiteral(value.getValue());
             }
-
+            
             @Override
             public PythonExpressionNode visit(UnitValue unitValue) {
                 throw new UnsupportedOperationException();
@@ -149,45 +133,18 @@ public class PythonCodeGenerator {
         });
     }
     
-    private static PythonFunctionDefinitionNode generateConstructor(
-                ConstructorNode constructor) {
-        val explicitArgumentNames = Iterables.transform(
-            constructor.getArguments(),
-            argument -> argument.getName());
-        
-        val argumentNames = Iterables.concat(
-            asList("self"),
-            explicitArgumentNames);
-        
-        val pythonBody = constructor.getBody()
-            .stream()
-            .map(PythonCodeGenerator::generateStatement)
-            .collect(Collectors.toList());
-        
-        return pythonFunctionDefinition(
-            "__init__",
-            ImmutableList.copyOf(argumentNames),
-            new PythonBlock(pythonBody));
+    private static PythonFunctionDefinitionNode generateConstructor(ConstructorNode constructor) {
+        Iterable<String> explicitArgumentNames = Iterables.transform(constructor.getArguments(), argument -> argument.getName());
+        Iterable<String> argumentNames = Iterables.concat(asList("self"), explicitArgumentNames);
+        List<PythonStatementNode> pythonBody = constructor.getBody().stream().map(PythonCodeGenerator::generateStatement).collect(Collectors.toList());
+        return pythonFunctionDefinition("__init__", ImmutableList.copyOf(argumentNames), new PythonBlock(pythonBody));
     }
     
     private static PythonFunctionDefinitionNode generateFunction(MethodNode method) {
-        val explicitArgumentNames = Iterables.transform(
-            method.getArguments(),
-            argument -> argument.getName());
-        
-        val argumentNames = Iterables.concat(
-            method.isStatic() ? asList() : asList("self"),
-            explicitArgumentNames); 
-        
-        val pythonBody = method.getBody()
-            .stream()
-            .map(PythonCodeGenerator::generateStatement)
-            .collect(Collectors.toList());
-        
-        return pythonFunctionDefinition(
-            method.getName(),
-            ImmutableList.copyOf(argumentNames),
-            new PythonBlock(pythonBody));
+        Iterable<String> explicitArgumentNames = Iterables.transform(method.getArguments(), argument -> argument.getName());
+        Iterable<String> argumentNames = Iterables.concat(method.isStatic() ? asList() : asList("self"), explicitArgumentNames);
+        List<PythonStatementNode> pythonBody = method.getBody().stream().map(PythonCodeGenerator::generateStatement).collect(Collectors.toList());
+        return pythonFunctionDefinition(method.getName(), ImmutableList.copyOf(argumentNames), new PythonBlock(pythonBody));
     }
     
     private static PythonStatementNode generateStatement(StatementNode statement) {
@@ -195,28 +152,26 @@ public class PythonCodeGenerator {
     }
     
     private static class StatementGenerator implements StatementNodeMapper<PythonStatementNode> {
+        
+        
         @Override
         public PythonStatementNode visit(ReturnNode returnNode) {
             return pythonReturn(generateExpression(returnNode.getValue()));
         }
-
+        
         @Override
         public PythonStatementNode visit(ExpressionStatementNode expressionStatement) {
             if (expressionStatement.getExpression() instanceof AssignmentNode) {
-                val assignment = (AssignmentNode) expressionStatement.getExpression();
-                return pythonAssignment(
-                    assignment.getTarget().accept(EXPRESSION_GENERATOR),
-                    generateExpression(assignment.getValue()));
+                final org.zwobble.couscous.ast.AssignmentNode assignment = (AssignmentNode)expressionStatement.getExpression();
+                return pythonAssignment(assignment.getTarget().accept(EXPRESSION_GENERATOR), generateExpression(assignment.getValue()));
             } else {
-                throw new UnsupportedOperationException();   
+                throw new UnsupportedOperationException();
             }
         }
-
+        
         @Override
         public PythonStatementNode visit(LocalVariableDeclarationNode declaration) {
-            return pythonAssignment(
-                pythonVariableReference(declaration.getDeclaration().getName()),
-                generateExpression(declaration.getInitialValue()));
+            return pythonAssignment(pythonVariableReference(declaration.getDeclaration().getName()), generateExpression(declaration.getInitialValue()));
         }
     }
     
@@ -225,89 +180,74 @@ public class PythonCodeGenerator {
     }
     
     private static List<PythonExpressionNode> generateExpressions(Iterable<ExpressionNode> expressions) {
-        return ImmutableList.copyOf(
-            Iterables.transform(expressions, PythonCodeGenerator::generateExpression));
+        return ImmutableList.copyOf(Iterables.transform(expressions, PythonCodeGenerator::generateExpression));
     }
-    
     private static final ExpressionGenerator EXPRESSION_GENERATOR = new ExpressionGenerator();
     
     private static class ExpressionGenerator implements ExpressionNodeMapper<PythonExpressionNode> {
+        
+        
         @Override
         public PythonExpressionNode visit(LiteralNode literal) {
             return generateCode(literal.getValue());
         }
-
+        
         @Override
         public PythonVariableReferenceNode visit(VariableReferenceNode variableReference) {
             return pythonVariableReference(variableReference.getReferent().getName());
         }
-
+        
         @Override
         public PythonExpressionNode visit(ThisReferenceNode reference) {
             return pythonVariableReference("self");
         }
-
+        
         @Override
         public PythonExpressionNode visit(AssignmentNode assignment) {
             throw new UnsupportedOperationException();
         }
-
+        
         @Override
         public PythonExpressionNode visit(TernaryConditionalNode ternaryConditional) {
-            return pythonConditionalExpression(
-                generateExpression(ternaryConditional.getCondition()),
-                generateExpression(ternaryConditional.getIfTrue()),
-                generateExpression(ternaryConditional.getIfFalse()));
+            return pythonConditionalExpression(generateExpression(ternaryConditional.getCondition()), generateExpression(ternaryConditional.getIfTrue()), generateExpression(ternaryConditional.getIfFalse()));
         }
-
+        
         @Override
         public PythonExpressionNode visit(MethodCallNode methodCall) {
-            val receiver = generateExpression(methodCall.getReceiver());
-            val arguments = generateExpressions(methodCall.getArguments());
+            final org.zwobble.couscous.backends.python.ast.PythonExpressionNode receiver = generateExpression(methodCall.getReceiver());
+            final java.util.List<org.zwobble.couscous.backends.python.ast.PythonExpressionNode> arguments = generateExpressions(methodCall.getArguments());
             if (isPrimitive(methodCall.getReceiver())) {
-                val primitiveMethodGenerator = PrimitiveMethods.getPrimitiveMethod(
-                    methodCall.getReceiver().getType(),
-                    methodCall.getMethodName()).get();
+                final org.zwobble.couscous.backends.python.PrimitiveMethods.PrimitiveMethodGenerator primitiveMethodGenerator = PrimitiveMethods.getPrimitiveMethod(methodCall.getReceiver().getType(), methodCall.getMethodName()).get();
                 return primitiveMethodGenerator.generate(receiver, arguments);
             } else {
-                return pythonCall(
-                    pythonAttributeAccess(receiver, methodCall.getMethodName()),
-                    arguments);
+                return pythonCall(pythonAttributeAccess(receiver, methodCall.getMethodName()), arguments);
             }
         }
-
+        
         @Override
         public PythonExpressionNode visit(StaticMethodCallNode staticMethodCall) {
-            val className = staticMethodCall.getClassName();
-            val classReference = pythonVariableReference(className.getSimpleName());
-
-            val methodReference = pythonAttributeAccess(
-                classReference,
-                staticMethodCall.getMethodName());
-
-            val arguments = generateExpressions(staticMethodCall.getArguments());
-                
+            final org.zwobble.couscous.ast.TypeName className = staticMethodCall.getClassName();
+            final org.zwobble.couscous.backends.python.ast.PythonVariableReferenceNode classReference = pythonVariableReference(className.getSimpleName());
+            final org.zwobble.couscous.backends.python.ast.PythonAttributeAccessNode methodReference = pythonAttributeAccess(classReference, staticMethodCall.getMethodName());
+            final java.util.List<org.zwobble.couscous.backends.python.ast.PythonExpressionNode> arguments = generateExpressions(staticMethodCall.getArguments());
             return pythonCall(methodReference, arguments);
         }
-
+        
         @Override
         public PythonExpressionNode visit(ConstructorCallNode call) {
-            val className = call.getType();
-            val classReference = pythonVariableReference(className.getSimpleName());
-            val arguments = generateExpressions(call.getArguments());
-                
+            final org.zwobble.couscous.ast.TypeName className = call.getType();
+            final org.zwobble.couscous.backends.python.ast.PythonVariableReferenceNode classReference = pythonVariableReference(className.getSimpleName());
+            final java.util.List<org.zwobble.couscous.backends.python.ast.PythonExpressionNode> arguments = generateExpressions(call.getArguments());
             return pythonCall(classReference, arguments);
         }
-
+        
         @Override
         public PythonExpressionNode visit(FieldAccessNode fieldAccess) {
-            return pythonAttributeAccess(
-                generateExpression(fieldAccess.getLeft()),
-                fieldAccess.getFieldName());
+            return pythonAttributeAccess(generateExpression(fieldAccess.getLeft()), fieldAccess.getFieldName());
         }
     }
     
     private static boolean isPrimitive(ExpressionNode value) {
         return PrimitiveMethods.isPrimitive(value.getType());
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/PythonCompiler.java b/src/main/java/org/zwobble/couscous/backends/python/PythonCompiler.java
index 8787d81..c5ea3e3 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/PythonCompiler.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/PythonCompiler.java
@@ -5,62 +5,55 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.List;
-
 import org.zwobble.couscous.ast.TypeName;
 import org.zwobble.couscous.ast.ClassNode;
-
 import static java.util.Arrays.asList;
 import static org.zwobble.couscous.backends.python.PythonCodeGenerator.generateCode;
 import static org.zwobble.couscous.backends.python.PythonSerializer.serialize;
 
-import lombok.SneakyThrows;
-import lombok.val;
-
 public class PythonCompiler {
     private final Path root;
     private final String packageName;
-
+    
     public PythonCompiler(Path root, String packageName) {
         this.root = root;
         this.packageName = packageName;
     }
     
     public void compile(List<ClassNode> classes) {
-        for (val classNode : classes) {
+        for (ClassNode classNode : classes) {
             compileClass(classNode);
         }
-        writeClass(TypeName.of("java.lang.Integer"),
-            "class Integer(object):\n" +
-            "    def parseInt(value):\n" +
-            "        return int(value)"
-        );
+        writeClass(TypeName.of("java.lang.Integer"), "class Integer(object):\n    def parseInt(value):\n        return int(value)");
     }
-
+    
     private Path pathForClass(TypeName className) {
-        return root
-            .resolve(packageName)
+        return root.resolve(packageName)
             .resolve(className.getQualifiedName().replace(".", File.separator) + ".py");
     }
-
+    
     private void compileClass(ClassNode classNode) {
         writeClass(classNode.getName(), serialize(generateCode(classNode)));
     }
-
-    @SneakyThrows
+    
     private void writeClass(TypeName name, String contents) {
-        val path = pathForClass(name);
-        Files.createDirectories(path.getParent());
-        createPythonPackages(path.getParent());
-        Files.write(path, asList(contents));
+        try {
+            final java.nio.file.Path path = pathForClass(name);
+            Files.createDirectories(path.getParent());
+            createPythonPackages(path.getParent());
+            Files.write(path, asList(contents));
+        } catch (final java.lang.Throwable $ex) {
+            throw new RuntimeException($ex);
+        }
     }
-
+    
     private void createPythonPackages(Path packagePath) throws IOException {
         while (packagePath.startsWith(root)) {
-            val packageFile = packagePath.resolve("__init__.py");
+            final java.nio.file.Path packageFile = packagePath.resolve("__init__.py");
             if (!packageFile.toFile().exists()) {
                 Files.createFile(packageFile);
             }
             packagePath = packagePath.getParent();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/PythonSerializer.java b/src/main/java/org/zwobble/couscous/backends/python/PythonSerializer.java
index 249d9fa..1674e1f 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/PythonSerializer.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/PythonSerializer.java
@@ -2,7 +2,6 @@ package org.zwobble.couscous.backends.python;
 
 import java.util.List;
 import java.util.function.Consumer;
-
 import org.zwobble.couscous.backends.python.ast.PythonAssignmentNode;
 import org.zwobble.couscous.backends.python.ast.PythonAttributeAccessNode;
 import org.zwobble.couscous.backends.python.ast.PythonBlock;
@@ -19,19 +18,17 @@ import org.zwobble.couscous.backends.python.ast.PythonModuleNode;
 import org.zwobble.couscous.backends.python.ast.PythonNode;
 import org.zwobble.couscous.backends.python.ast.PythonPassNode;
 import org.zwobble.couscous.backends.python.ast.PythonReturnNode;
+import org.zwobble.couscous.backends.python.ast.PythonStatementNode;
 import org.zwobble.couscous.backends.python.ast.PythonStringLiteralNode;
 import org.zwobble.couscous.backends.python.ast.PythonVariableReferenceNode;
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 import org.zwobble.couscous.util.Action;
-
 import static com.google.common.collect.Iterables.skip;
 
-import lombok.val;
-
 public class PythonSerializer implements PythonNodeVisitor {
     public static String serialize(PythonNode node) {
-        val writer = new PythonWriter();
-        val serializer = new PythonSerializer(writer);
+        PythonWriter writer = new PythonWriter();
+        PythonSerializer serializer = new PythonSerializer(writer);
         serializer.write(node);
         return writer.asString();
     }
@@ -50,22 +47,22 @@ public class PythonSerializer implements PythonNodeVisitor {
     public void visit(PythonIntegerLiteralNode integerLiteral) {
         writer.writeInteger(integerLiteral.getValue());
     }
-
+    
     @Override
     public void visit(PythonStringLiteralNode stringLiteral) {
         writer.writeStringLiteral(stringLiteral.getValue());
     }
-
+    
     @Override
     public void visit(PythonBooleanLiteralNode booleanLiteral) {
         writer.writeKeyword(booleanLiteral.getValue() ? "True" : "False");
     }
-
+    
     @Override
     public void visit(PythonVariableReferenceNode reference) {
         writer.writeIdentifier(reference.getName());
     }
-
+    
     @Override
     public void visit(PythonConditionalExpressionNode conditional) {
         writeParenthesised(conditional.getTrueValue());
@@ -78,14 +75,14 @@ public class PythonSerializer implements PythonNodeVisitor {
         writer.writeSpace();
         writeParenthesised(conditional.getFalseValue());
     }
-
+    
     @Override
     public void visit(PythonAttributeAccessNode attributeAccess) {
         writeParenthesised(attributeAccess.getLeft());
         writer.writeSymbol(".");
         writer.writeIdentifier(attributeAccess.getAttributeName());
     }
-
+    
     @Override
     public void visit(PythonCallNode call) {
         writeParenthesised(call.getCallee());
@@ -96,7 +93,7 @@ public class PythonSerializer implements PythonNodeVisitor {
         });
         writer.writeSymbol(")");
     }
-
+    
     @Override
     public void visit(PythonGetSliceNode getSlice) {
         writeParenthesised(getSlice.getReceiver());
@@ -106,7 +103,7 @@ public class PythonSerializer implements PythonNodeVisitor {
         });
         writer.writeSymbol("]");
     }
-
+    
     @Override
     public void visit(PythonReturnNode pythonReturn) {
         writer.writeStatement(() -> {
@@ -115,14 +112,14 @@ public class PythonSerializer implements PythonNodeVisitor {
             write(pythonReturn.getValue());
         });
     }
-
+    
     @Override
     public void visit(PythonPassNode pass) {
         writer.writeStatement(() -> {
-            writer.writeKeyword("pass");            
+            writer.writeKeyword("pass");
         });
     }
-
+    
     @Override
     public void visit(PythonClassNode pythonClass) {
         writer.writeStatement(() -> {
@@ -135,7 +132,7 @@ public class PythonSerializer implements PythonNodeVisitor {
             writeBlock(pythonClass.getBody());
         });
     }
-
+    
     @Override
     public void visit(PythonFunctionDefinitionNode functionDefinition) {
         writer.writeStatement(() -> {
@@ -148,7 +145,7 @@ public class PythonSerializer implements PythonNodeVisitor {
             writeBlock(functionDefinition.getBody());
         });
     }
-
+    
     @Override
     public void visit(PythonAssignmentNode assignment) {
         writer.writeStatement(() -> {
@@ -157,10 +154,9 @@ public class PythonSerializer implements PythonNodeVisitor {
             writer.writeSymbol("=");
             writer.writeSpace();
             write(assignment.getValue());
-            
         });
     }
-
+    
     @Override
     public void visit(PythonImportNode importNode) {
         writer.writeStatement(() -> {
@@ -170,38 +166,32 @@ public class PythonSerializer implements PythonNodeVisitor {
             writer.writeSpace();
             writer.writeKeyword("import");
             writer.writeSpace();
-            writeWithSeparator(
-                importNode.getAliases(),
-                alias -> {
-                    writer.writeIdentifier(alias.getName());
-                },
-                () -> {
-                    writer.writeSymbol(",");
-                    writer.writeSpace();
-                });
+            writeWithSeparator(importNode.getAliases(), alias -> {
+                writer.writeIdentifier(alias.getName());
+            }, () -> {
+                writer.writeSymbol(",");
+                writer.writeSpace();
+            });
         });
     }
-
+    
     private void writeParenthesised(PythonExpressionNode expression) {
         writer.writeSymbol("(");
         write(expression);
         writer.writeSymbol(")");
     }
-
+    
     private void writeArgumentNames(PythonFunctionDefinitionNode functionDefinition) {
-        writeWithSeparator(
-            functionDefinition.getArgumentNames(),
-            writer::writeIdentifier,
-            () -> {
-                writer.writeSymbol(",");
-                writer.writeSpace();
-            });
+        writeWithSeparator(functionDefinition.getArgumentNames(), writer::writeIdentifier, () -> {
+            writer.writeSymbol(",");
+            writer.writeSpace();
+        });
     }
-
+    
     private <T> void writeWithSeparator(List<T> values, Consumer<T> writeValue, Action separator) {
         if (!values.isEmpty()) {
             writeValue.accept(values.get(0));
-            for (val value : skip(values, 1)) {
+            for (T value : skip(values, 1)) {
                 separator.run();
                 writeValue.accept(value);
             }
@@ -210,16 +200,16 @@ public class PythonSerializer implements PythonNodeVisitor {
     
     @Override
     public void visit(PythonModuleNode module) {
-        for (val statement : module.getStatements()) {
+        for (PythonStatementNode statement : module.getStatements()) {
             write(statement);
         }
     }
-
+    
     private void writeBlock(PythonBlock body) {
         writer.startBlock();
-        for (val statement : body) {
+        for (PythonStatementNode statement : body) {
             write(statement);
         }
         writer.endBlock();
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAssignmentNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAssignmentNode.java
index 9c5b20a..37ca7b7 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAssignmentNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAssignmentNode.java
@@ -2,15 +2,59 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonAssignment")
-public class PythonAssignmentNode implements PythonStatementNode {
-    PythonExpressionNode target;
-    PythonExpressionNode value;
+public final class PythonAssignmentNode implements PythonStatementNode {
+    private final PythonExpressionNode target;
+    private final PythonExpressionNode value;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonAssignmentNode(final PythonExpressionNode target, final PythonExpressionNode value) {
+        this.target = target;
+        this.value = value;
+    }
+    
+    public static PythonAssignmentNode pythonAssignment(final PythonExpressionNode target, final PythonExpressionNode value) {
+        return new PythonAssignmentNode(target, value);
+    }
+    
+    public PythonExpressionNode getTarget() {
+        return this.target;
+    }
+    
+    public PythonExpressionNode getValue() {
+        return this.value;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonAssignmentNode)) return false;
+        final PythonAssignmentNode other = (PythonAssignmentNode)o;
+        final java.lang.Object this$target = this.getTarget();
+        final java.lang.Object other$target = other.getTarget();
+        if (this$target == null ? other$target != null : !this$target.equals(other$target)) return false;
+        final java.lang.Object this$value = this.getValue();
+        final java.lang.Object other$value = other.getValue();
+        if (this$value == null ? other$value != null : !this$value.equals(other$value)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $target = this.getTarget();
+        result = result * PRIME + ($target == null ? 43 : $target.hashCode());
+        final java.lang.Object $value = this.getValue();
+        result = result * PRIME + ($value == null ? 43 : $value.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonAssignmentNode(target=" + this.getTarget() + ", value=" + this.getValue() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAttributeAccessNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAttributeAccessNode.java
index ccd795f..bb46af3 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAttributeAccessNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonAttributeAccessNode.java
@@ -2,15 +2,59 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonAttributeAccess")
-public class PythonAttributeAccessNode implements PythonExpressionNode {
-    PythonExpressionNode left;
-    String attributeName;
+public final class PythonAttributeAccessNode implements PythonExpressionNode {
+    private final PythonExpressionNode left;
+    private final String attributeName;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonAttributeAccessNode(final PythonExpressionNode left, final String attributeName) {
+        this.left = left;
+        this.attributeName = attributeName;
+    }
+    
+    public static PythonAttributeAccessNode pythonAttributeAccess(final PythonExpressionNode left, final String attributeName) {
+        return new PythonAttributeAccessNode(left, attributeName);
+    }
+    
+    public PythonExpressionNode getLeft() {
+        return this.left;
+    }
+    
+    public String getAttributeName() {
+        return this.attributeName;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonAttributeAccessNode)) return false;
+        final PythonAttributeAccessNode other = (PythonAttributeAccessNode)o;
+        final java.lang.Object this$left = this.getLeft();
+        final java.lang.Object other$left = other.getLeft();
+        if (this$left == null ? other$left != null : !this$left.equals(other$left)) return false;
+        final java.lang.Object this$attributeName = this.getAttributeName();
+        final java.lang.Object other$attributeName = other.getAttributeName();
+        if (this$attributeName == null ? other$attributeName != null : !this$attributeName.equals(other$attributeName)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $left = this.getLeft();
+        result = result * PRIME + ($left == null ? 43 : $left.hashCode());
+        final java.lang.Object $attributeName = this.getAttributeName();
+        result = result * PRIME + ($attributeName == null ? 43 : $attributeName.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonAttributeAccessNode(left=" + this.getLeft() + ", attributeName=" + this.getAttributeName() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonBooleanLiteralNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonBooleanLiteralNode.java
index 349ab4b..3f3d9a0 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonBooleanLiteralNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonBooleanLiteralNode.java
@@ -2,14 +2,8 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.Value;
-
-@Value(staticConstructor="pythonBooleanLiteral")
-public class PythonBooleanLiteralNode implements PythonExpressionNode {
-    @Getter(value = AccessLevel.NONE)
-    boolean value;
+public final class PythonBooleanLiteralNode implements PythonExpressionNode {
+    private final boolean value;
     
     public boolean getValue() {
         return value;
@@ -19,4 +13,34 @@ public class PythonBooleanLiteralNode implements PythonExpressionNode {
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonBooleanLiteralNode(final boolean value) {
+        this.value = value;
+    }
+    
+    public static PythonBooleanLiteralNode pythonBooleanLiteral(final boolean value) {
+        return new PythonBooleanLiteralNode(value);
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonBooleanLiteralNode)) return false;
+        final PythonBooleanLiteralNode other = (PythonBooleanLiteralNode)o;
+        if (this.getValue() != other.getValue()) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        result = result * PRIME + (this.getValue() ? 79 : 97);
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonBooleanLiteralNode(value=" + this.getValue() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonCallNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonCallNode.java
index 92c8b20..6cc5b11 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonCallNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonCallNode.java
@@ -1,19 +1,61 @@
 package org.zwobble.couscous.backends.python.ast;
 
 import java.util.List;
-
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonCall")
-public class PythonCallNode implements PythonExpressionNode {
-    PythonExpressionNode callee;
-    List<PythonExpressionNode> arguments;
-    
+public final class PythonCallNode implements PythonExpressionNode {
+    private final PythonExpressionNode callee;
+    private final List<PythonExpressionNode> arguments;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonCallNode(final PythonExpressionNode callee, final List<PythonExpressionNode> arguments) {
+        this.callee = callee;
+        this.arguments = arguments;
+    }
+    
+    public static PythonCallNode pythonCall(final PythonExpressionNode callee, final List<PythonExpressionNode> arguments) {
+        return new PythonCallNode(callee, arguments);
+    }
+    
+    public PythonExpressionNode getCallee() {
+        return this.callee;
+    }
+    
+    public List<PythonExpressionNode> getArguments() {
+        return this.arguments;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonCallNode)) return false;
+        final PythonCallNode other = (PythonCallNode)o;
+        final java.lang.Object this$callee = this.getCallee();
+        final java.lang.Object other$callee = other.getCallee();
+        if (this$callee == null ? other$callee != null : !this$callee.equals(other$callee)) return false;
+        final java.lang.Object this$arguments = this.getArguments();
+        final java.lang.Object other$arguments = other.getArguments();
+        if (this$arguments == null ? other$arguments != null : !this$arguments.equals(other$arguments)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $callee = this.getCallee();
+        result = result * PRIME + ($callee == null ? 43 : $callee.hashCode());
+        final java.lang.Object $arguments = this.getArguments();
+        result = result * PRIME + ($arguments == null ? 43 : $arguments.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonCallNode(callee=" + this.getCallee() + ", arguments=" + this.getArguments() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonClassNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonClassNode.java
index 3ed7eba..8fe2ffe 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonClassNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonClassNode.java
@@ -1,15 +1,11 @@
 package org.zwobble.couscous.backends.python.ast;
 
 import java.util.List;
-
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
-
 import com.google.common.collect.ImmutableList;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonClass")
-public class PythonClassNode implements PythonStatementNode {
+public final class PythonClassNode implements PythonStatementNode {
+    
     public static Builder builder(String name) {
         return new Builder(name);
     }
@@ -17,7 +13,7 @@ public class PythonClassNode implements PythonStatementNode {
     public static class Builder {
         private final String name;
         private final ImmutableList.Builder<PythonStatementNode> statements;
-
+        
         public Builder(String name) {
             this.name = name;
             this.statements = ImmutableList.builder();
@@ -26,7 +22,7 @@ public class PythonClassNode implements PythonStatementNode {
         public PythonClassNode build() {
             return new PythonClassNode(name, new PythonBlock(statements.build()));
         }
-
+        
         public Builder statement(PythonStatementNode statement) {
             statements.add(statement);
             return this;
@@ -36,13 +32,58 @@ public class PythonClassNode implements PythonStatementNode {
     public static PythonClassNode pythonClass(String name, List<? extends PythonStatementNode> body) {
         return new PythonClassNode(name, new PythonBlock(body));
     }
-    
-    String name;
-    PythonBlock body;
+    private final String name;
+    private final PythonBlock body;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-
-}
+    
+    private PythonClassNode(final String name, final PythonBlock body) {
+        this.name = name;
+        this.body = body;
+    }
+    
+    public static PythonClassNode pythonClass(final String name, final PythonBlock body) {
+        return new PythonClassNode(name, body);
+    }
+    
+    public String getName() {
+        return this.name;
+    }
+    
+    public PythonBlock getBody() {
+        return this.body;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonClassNode)) return false;
+        final PythonClassNode other = (PythonClassNode)o;
+        final java.lang.Object this$name = this.getName();
+        final java.lang.Object other$name = other.getName();
+        if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false;
+        final java.lang.Object this$body = this.getBody();
+        final java.lang.Object other$body = other.getBody();
+        if (this$body == null ? other$body != null : !this$body.equals(other$body)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $name = this.getName();
+        result = result * PRIME + ($name == null ? 43 : $name.hashCode());
+        final java.lang.Object $body = this.getBody();
+        result = result * PRIME + ($body == null ? 43 : $body.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonClassNode(name=" + this.getName() + ", body=" + this.getBody() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonConditionalExpressionNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonConditionalExpressionNode.java
index e39dce1..13f5e99 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonConditionalExpressionNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonConditionalExpressionNode.java
@@ -2,16 +2,70 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonConditionalExpression")
-public class PythonConditionalExpressionNode implements PythonExpressionNode {
-    PythonExpressionNode condition;
-    PythonExpressionNode trueValue;
-    PythonExpressionNode falseValue;
+public final class PythonConditionalExpressionNode implements PythonExpressionNode {
+    private final PythonExpressionNode condition;
+    private final PythonExpressionNode trueValue;
+    private final PythonExpressionNode falseValue;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonConditionalExpressionNode(final PythonExpressionNode condition, final PythonExpressionNode trueValue, final PythonExpressionNode falseValue) {
+        this.condition = condition;
+        this.trueValue = trueValue;
+        this.falseValue = falseValue;
+    }
+    
+    public static PythonConditionalExpressionNode pythonConditionalExpression(final PythonExpressionNode condition, final PythonExpressionNode trueValue, final PythonExpressionNode falseValue) {
+        return new PythonConditionalExpressionNode(condition, trueValue, falseValue);
+    }
+    
+    public PythonExpressionNode getCondition() {
+        return this.condition;
+    }
+    
+    public PythonExpressionNode getTrueValue() {
+        return this.trueValue;
+    }
+    
+    public PythonExpressionNode getFalseValue() {
+        return this.falseValue;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonConditionalExpressionNode)) return false;
+        final PythonConditionalExpressionNode other = (PythonConditionalExpressionNode)o;
+        final java.lang.Object this$condition = this.getCondition();
+        final java.lang.Object other$condition = other.getCondition();
+        if (this$condition == null ? other$condition != null : !this$condition.equals(other$condition)) return false;
+        final java.lang.Object this$trueValue = this.getTrueValue();
+        final java.lang.Object other$trueValue = other.getTrueValue();
+        if (this$trueValue == null ? other$trueValue != null : !this$trueValue.equals(other$trueValue)) return false;
+        final java.lang.Object this$falseValue = this.getFalseValue();
+        final java.lang.Object other$falseValue = other.getFalseValue();
+        if (this$falseValue == null ? other$falseValue != null : !this$falseValue.equals(other$falseValue)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $condition = this.getCondition();
+        result = result * PRIME + ($condition == null ? 43 : $condition.hashCode());
+        final java.lang.Object $trueValue = this.getTrueValue();
+        result = result * PRIME + ($trueValue == null ? 43 : $trueValue.hashCode());
+        final java.lang.Object $falseValue = this.getFalseValue();
+        result = result * PRIME + ($falseValue == null ? 43 : $falseValue.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonConditionalExpressionNode(condition=" + this.getCondition() + ", trueValue=" + this.getTrueValue() + ", falseValue=" + this.getFalseValue() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonFunctionDefinitionNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonFunctionDefinitionNode.java
index a7983d6..8c50ebd 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonFunctionDefinitionNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonFunctionDefinitionNode.java
@@ -1,15 +1,11 @@
 package org.zwobble.couscous.backends.python.ast;
 
 import java.util.List;
-
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
-
 import com.google.common.collect.ImmutableList;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonFunctionDefinition")
-public class PythonFunctionDefinitionNode implements PythonStatementNode {
+public final class PythonFunctionDefinitionNode implements PythonStatementNode {
+    
     public static Builder builder(String name) {
         return new Builder(name);
     }
@@ -24,7 +20,7 @@ public class PythonFunctionDefinitionNode implements PythonStatementNode {
             this.argumentNames = ImmutableList.builder();
             this.body = ImmutableList.builder();
         }
-
+        
         public Builder argument(String argumentName) {
             argumentNames.add(argumentName);
             return this;
@@ -34,13 +30,69 @@ public class PythonFunctionDefinitionNode implements PythonStatementNode {
             return pythonFunctionDefinition(name, argumentNames.build(), new PythonBlock(body.build()));
         }
     }
-    
-    String name;
-    List<String> argumentNames;
-    PythonBlock body;
+    private final String name;
+    private final List<String> argumentNames;
+    private final PythonBlock body;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonFunctionDefinitionNode(final String name, final List<String> argumentNames, final PythonBlock body) {
+        this.name = name;
+        this.argumentNames = argumentNames;
+        this.body = body;
+    }
+    
+    public static PythonFunctionDefinitionNode pythonFunctionDefinition(final String name, final List<String> argumentNames, final PythonBlock body) {
+        return new PythonFunctionDefinitionNode(name, argumentNames, body);
+    }
+    
+    public String getName() {
+        return this.name;
+    }
+    
+    public List<String> getArgumentNames() {
+        return this.argumentNames;
+    }
+    
+    public PythonBlock getBody() {
+        return this.body;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonFunctionDefinitionNode)) return false;
+        final PythonFunctionDefinitionNode other = (PythonFunctionDefinitionNode)o;
+        final java.lang.Object this$name = this.getName();
+        final java.lang.Object other$name = other.getName();
+        if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false;
+        final java.lang.Object this$argumentNames = this.getArgumentNames();
+        final java.lang.Object other$argumentNames = other.getArgumentNames();
+        if (this$argumentNames == null ? other$argumentNames != null : !this$argumentNames.equals(other$argumentNames)) return false;
+        final java.lang.Object this$body = this.getBody();
+        final java.lang.Object other$body = other.getBody();
+        if (this$body == null ? other$body != null : !this$body.equals(other$body)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $name = this.getName();
+        result = result * PRIME + ($name == null ? 43 : $name.hashCode());
+        final java.lang.Object $argumentNames = this.getArgumentNames();
+        result = result * PRIME + ($argumentNames == null ? 43 : $argumentNames.hashCode());
+        final java.lang.Object $body = this.getBody();
+        result = result * PRIME + ($body == null ? 43 : $body.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonFunctionDefinitionNode(name=" + this.getName() + ", argumentNames=" + this.getArgumentNames() + ", body=" + this.getBody() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonGetSliceNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonGetSliceNode.java
index 27c191e..2298086 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonGetSliceNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonGetSliceNode.java
@@ -1,18 +1,61 @@
 package org.zwobble.couscous.backends.python.ast;
 
 import java.util.List;
-
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonGetSlice")
-public class PythonGetSliceNode implements PythonExpressionNode {
-    PythonExpressionNode receiver;
-    List<PythonExpressionNode> arguments;
+public final class PythonGetSliceNode implements PythonExpressionNode {
+    private final PythonExpressionNode receiver;
+    private final List<PythonExpressionNode> arguments;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonGetSliceNode(final PythonExpressionNode receiver, final List<PythonExpressionNode> arguments) {
+        this.receiver = receiver;
+        this.arguments = arguments;
+    }
+    
+    public static PythonGetSliceNode pythonGetSlice(final PythonExpressionNode receiver, final List<PythonExpressionNode> arguments) {
+        return new PythonGetSliceNode(receiver, arguments);
+    }
+    
+    public PythonExpressionNode getReceiver() {
+        return this.receiver;
+    }
+    
+    public List<PythonExpressionNode> getArguments() {
+        return this.arguments;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonGetSliceNode)) return false;
+        final PythonGetSliceNode other = (PythonGetSliceNode)o;
+        final java.lang.Object this$receiver = this.getReceiver();
+        final java.lang.Object other$receiver = other.getReceiver();
+        if (this$receiver == null ? other$receiver != null : !this$receiver.equals(other$receiver)) return false;
+        final java.lang.Object this$arguments = this.getArguments();
+        final java.lang.Object other$arguments = other.getArguments();
+        if (this$arguments == null ? other$arguments != null : !this$arguments.equals(other$arguments)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $receiver = this.getReceiver();
+        result = result * PRIME + ($receiver == null ? 43 : $receiver.hashCode());
+        final java.lang.Object $arguments = this.getArguments();
+        result = result * PRIME + ($arguments == null ? 43 : $arguments.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonGetSliceNode(receiver=" + this.getReceiver() + ", arguments=" + this.getArguments() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportAliasNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportAliasNode.java
index 9fb531a..783eb4e 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportAliasNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportAliasNode.java
@@ -1,8 +1,42 @@
 package org.zwobble.couscous.backends.python.ast;
 
-import lombok.Value;
+public final class PythonImportAliasNode {
+    private final String name;
 
-@Value(staticConstructor="pythonImportAlias")
-public class PythonImportAliasNode {
-    String name;
-}
+    private PythonImportAliasNode(final String name) {
+        this.name = name;
+    }
+
+    public static PythonImportAliasNode pythonImportAlias(final String name) {
+        return new PythonImportAliasNode(name);
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonImportAliasNode)) return false;
+        final PythonImportAliasNode other = (PythonImportAliasNode)o;
+        final java.lang.Object this$name = this.getName();
+        final java.lang.Object other$name = other.getName();
+        if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false;
+        return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $name = this.getName();
+        result = result * PRIME + ($name == null ? 43 : $name.hashCode());
+        return result;
+    }
+
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonImportAliasNode(name=" + this.getName() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportNode.java
index c639829..4916cf7 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonImportNode.java
@@ -1,18 +1,61 @@
 package org.zwobble.couscous.backends.python.ast;
 
 import java.util.List;
-
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonImport")
-public class PythonImportNode implements PythonStatementNode {
-    String moduleName;
-    List<PythonImportAliasNode> aliases;
+public final class PythonImportNode implements PythonStatementNode {
+    private final String moduleName;
+    private final List<PythonImportAliasNode> aliases;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonImportNode(final String moduleName, final List<PythonImportAliasNode> aliases) {
+        this.moduleName = moduleName;
+        this.aliases = aliases;
+    }
+    
+    public static PythonImportNode pythonImport(final String moduleName, final List<PythonImportAliasNode> aliases) {
+        return new PythonImportNode(moduleName, aliases);
+    }
+    
+    public String getModuleName() {
+        return this.moduleName;
+    }
+    
+    public List<PythonImportAliasNode> getAliases() {
+        return this.aliases;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonImportNode)) return false;
+        final PythonImportNode other = (PythonImportNode)o;
+        final java.lang.Object this$moduleName = this.getModuleName();
+        final java.lang.Object other$moduleName = other.getModuleName();
+        if (this$moduleName == null ? other$moduleName != null : !this$moduleName.equals(other$moduleName)) return false;
+        final java.lang.Object this$aliases = this.getAliases();
+        final java.lang.Object other$aliases = other.getAliases();
+        if (this$aliases == null ? other$aliases != null : !this$aliases.equals(other$aliases)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $moduleName = this.getModuleName();
+        result = result * PRIME + ($moduleName == null ? 43 : $moduleName.hashCode());
+        final java.lang.Object $aliases = this.getAliases();
+        result = result * PRIME + ($aliases == null ? 43 : $aliases.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonImportNode(moduleName=" + this.getModuleName() + ", aliases=" + this.getAliases() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonIntegerLiteralNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonIntegerLiteralNode.java
index 1c273d7..459ad6d 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonIntegerLiteralNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonIntegerLiteralNode.java
@@ -2,14 +2,45 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonIntegerLiteral")
-public class PythonIntegerLiteralNode implements PythonExpressionNode {
-    int value;
+public final class PythonIntegerLiteralNode implements PythonExpressionNode {
+    private final int value;
 
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+
+    private PythonIntegerLiteralNode(final int value) {
+        this.value = value;
+    }
+
+    public static PythonIntegerLiteralNode pythonIntegerLiteral(final int value) {
+        return new PythonIntegerLiteralNode(value);
+    }
+
+    public int getValue() {
+        return this.value;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonIntegerLiteralNode)) return false;
+        final PythonIntegerLiteralNode other = (PythonIntegerLiteralNode)o;
+        if (this.getValue() != other.getValue()) return false;
+        return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        result = result * PRIME + this.getValue();
+        return result;
+    }
+
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonIntegerLiteralNode(value=" + this.getValue() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonModuleNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonModuleNode.java
index b3fd728..a95b6c5 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonModuleNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonModuleNode.java
@@ -1,18 +1,50 @@
 package org.zwobble.couscous.backends.python.ast;
 
 import java.util.List;
-
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonModule")
-public class PythonModuleNode implements PythonNode {
-    List<PythonStatementNode> statements;
+public final class PythonModuleNode implements PythonNode {
+    private final List<PythonStatementNode> statements;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-
-}
+    
+    private PythonModuleNode(final List<PythonStatementNode> statements) {
+        this.statements = statements;
+    }
+    
+    public static PythonModuleNode pythonModule(final List<PythonStatementNode> statements) {
+        return new PythonModuleNode(statements);
+    }
+    
+    public List<PythonStatementNode> getStatements() {
+        return this.statements;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonModuleNode)) return false;
+        final PythonModuleNode other = (PythonModuleNode)o;
+        final java.lang.Object this$statements = this.getStatements();
+        final java.lang.Object other$statements = other.getStatements();
+        if (this$statements == null ? other$statements != null : !this$statements.equals(other$statements)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $statements = this.getStatements();
+        result = result * PRIME + ($statements == null ? 43 : $statements.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonModuleNode(statements=" + this.getStatements() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonReturnNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonReturnNode.java
index adb4168..1967dd3 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonReturnNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonReturnNode.java
@@ -2,15 +2,48 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonReturn")
-public class PythonReturnNode implements PythonStatementNode {
-    PythonExpressionNode value;
+public final class PythonReturnNode implements PythonStatementNode {
+    private final PythonExpressionNode value;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
     
-}
+    private PythonReturnNode(final PythonExpressionNode value) {
+        this.value = value;
+    }
+    
+    public static PythonReturnNode pythonReturn(final PythonExpressionNode value) {
+        return new PythonReturnNode(value);
+    }
+    
+    public PythonExpressionNode getValue() {
+        return this.value;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonReturnNode)) return false;
+        final PythonReturnNode other = (PythonReturnNode)o;
+        final java.lang.Object this$value = this.getValue();
+        final java.lang.Object other$value = other.getValue();
+        if (this$value == null ? other$value != null : !this$value.equals(other$value)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $value = this.getValue();
+        result = result * PRIME + ($value == null ? 43 : $value.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonReturnNode(value=" + this.getValue() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonStringLiteralNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonStringLiteralNode.java
index bd35621..3907555 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonStringLiteralNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonStringLiteralNode.java
@@ -2,14 +2,48 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonStringLiteral")
-public class PythonStringLiteralNode implements PythonExpressionNode {
-    String value;
+public final class PythonStringLiteralNode implements PythonExpressionNode {
+    private final String value;
     
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+    
+    private PythonStringLiteralNode(final String value) {
+        this.value = value;
+    }
+    
+    public static PythonStringLiteralNode pythonStringLiteral(final String value) {
+        return new PythonStringLiteralNode(value);
+    }
+    
+    public String getValue() {
+        return this.value;
+    }
+    
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonStringLiteralNode)) return false;
+        final PythonStringLiteralNode other = (PythonStringLiteralNode)o;
+        final java.lang.Object this$value = this.getValue();
+        final java.lang.Object other$value = other.getValue();
+        if (this$value == null ? other$value != null : !this$value.equals(other$value)) return false;
+        return true;
+    }
+    
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $value = this.getValue();
+        result = result * PRIME + ($value == null ? 43 : $value.hashCode());
+        return result;
+    }
+    
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonStringLiteralNode(value=" + this.getValue() + ")";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonVariableReferenceNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonVariableReferenceNode.java
index a67da73..4edad3e 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonVariableReferenceNode.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonVariableReferenceNode.java
@@ -2,14 +2,48 @@ package org.zwobble.couscous.backends.python.ast;
 
 import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
 
-import lombok.Value;
-
-@Value(staticConstructor="pythonVariableReference")
-public class PythonVariableReferenceNode implements PythonExpressionNode {
-    String name;
+public final class PythonVariableReferenceNode implements PythonExpressionNode {
+    private final String name;
 
     @Override
     public void accept(PythonNodeVisitor visitor) {
         visitor.visit(this);
     }
-}
+
+    private PythonVariableReferenceNode(final String name) {
+        this.name = name;
+    }
+
+    public static PythonVariableReferenceNode pythonVariableReference(final String name) {
+        return new PythonVariableReferenceNode(name);
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object o) {
+        if (o == this) return true;
+        if (!(o instanceof PythonVariableReferenceNode)) return false;
+        final PythonVariableReferenceNode other = (PythonVariableReferenceNode)o;
+        final java.lang.Object this$name = this.getName();
+        final java.lang.Object other$name = other.getName();
+        if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false;
+        return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final java.lang.Object $name = this.getName();
+        result = result * PRIME + ($name == null ? 43 : $name.hashCode());
+        return result;
+    }
+
+    @java.lang.Override
+    public java.lang.String toString() {
+        return "PythonVariableReferenceNode(name=" + this.getName() + ")";
+    }
+}
\ No newline at end of file