From 971321393c5965dd14eb604e22e907d6b94b0c8a Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 26 Apr 2026 17:11:09 +0100
Subject: Add stubbed Java generator

---
 .../hobgoblin/compiler/HobgoblinCompiler.java      | 12 +++++++++++-
 .../hobgoblin/compiler/generators/Generator.java   |  9 +++++++++
 .../compiler/generators/java/JavaGenerator.java    | 22 ++++++++++++++++++++++
 .../zwobble/hobgoblin/compiler/ExampleTests.java   |  3 ++-
 4 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/generators/Generator.java
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/generators/java/JavaGenerator.java

(limited to 'src')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java b/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java
index d9f7d21..5d59d96 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/HobgoblinCompiler.java
@@ -1,5 +1,7 @@
 package org.zwobble.hobgoblin.compiler;
 
+import org.zwobble.hobgoblin.compiler.ast.typed.TypedNamespaceNode;
+import org.zwobble.hobgoblin.compiler.generators.Generator;
 import org.zwobble.hobgoblin.compiler.parser.Parser;
 import org.zwobble.hobgoblin.compiler.typechecker.TypeChecker;
 import org.zwobble.hobgoblin.compiler.typechecker.TypeCheckerGlobalContext;
@@ -12,6 +14,7 @@ import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.List;
 
 public class HobgoblinCompiler {
     public static final String FILE_NAME_EXTENSION = ".hob";
@@ -19,10 +22,12 @@ public class HobgoblinCompiler {
     private HobgoblinCompiler() {
     }
 
-    public static void compile(Path projectRoot) throws IOException {
+    public static void compile(Path projectRoot, List<Generator> generators) throws IOException {
         var sourceDirectory = projectRoot.resolve("src");
         var sourceFiles = sourceDirectory.toFile()
             .listFiles(file -> file.toPath().toString().endsWith(FILE_NAME_EXTENSION));
+
+        var typedNamespaceNodes = new ArrayList<TypedNamespaceNode>();
         for (var sourceFile : sourceFiles) {
             var namespaceName = sourceFileNamespaceName(sourceDirectory, sourceFile.toPath());
             var sourceContents = Files.readString(sourceFile.toPath(), StandardCharsets.UTF_8);
@@ -33,6 +38,11 @@ public class HobgoblinCompiler {
             typeCheckerContext.addBuiltinScalarType(new ScalarType("Int32"));
 
             var typedNamespaceNode = TypeChecker.typeCheckNamespace(untypedNamespaceNode, typeCheckerContext);
+            typedNamespaceNodes.add(typedNamespaceNode);
+        }
+
+        for (var generator : generators) {
+            generator.generate(typedNamespaceNodes);
         }
     }
 
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/generators/Generator.java b/src/main/java/org/zwobble/hobgoblin/compiler/generators/Generator.java
new file mode 100644
index 0000000..2457609
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/generators/Generator.java
@@ -0,0 +1,9 @@
+package org.zwobble.hobgoblin.compiler.generators;
+
+import org.zwobble.hobgoblin.compiler.ast.typed.TypedNamespaceNode;
+
+import java.util.List;
+
+public interface Generator {
+    void generate(List<TypedNamespaceNode> namespaces);
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/generators/java/JavaGenerator.java b/src/main/java/org/zwobble/hobgoblin/compiler/generators/java/JavaGenerator.java
new file mode 100644
index 0000000..ced3d81
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/generators/java/JavaGenerator.java
@@ -0,0 +1,22 @@
+package org.zwobble.hobgoblin.compiler.generators.java;
+
+import org.zwobble.hobgoblin.compiler.ast.typed.TypedNamespaceNode;
+import org.zwobble.hobgoblin.compiler.generators.Generator;
+
+import java.nio.file.Path;
+import java.util.List;
+
+public class JavaGenerator implements Generator {
+    private final Path root;
+    private final String packageName;
+
+    public JavaGenerator(Path root, String packageName) {
+        this.root = root;
+        this.packageName = packageName;
+    }
+
+    @Override
+    public void generate(List<TypedNamespaceNode> namespaces) {
+
+    }
+}
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
index 354cb08..e892cd9 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
@@ -4,6 +4,7 @@ import org.junit.jupiter.api.DynamicTest;
 import org.junit.jupiter.api.TestFactory;
 
 import java.io.IOException;
+import java.util.List;
 import java.util.stream.Stream;
 
 public class ExampleTests {
@@ -17,6 +18,6 @@ public class ExampleTests {
     }
 
     private void runTest(ExampleSet exampleSet) throws IOException {
-        HobgoblinCompiler.compile(exampleSet.path());
+        HobgoblinCompiler.compile(exampleSet.path(), List.of());
     }
 }
-- 
cgit v1.2.3