From ea7f313b29b294e19f9387699d097629f8623575 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 20 May 2026 23:34:31 +0100
Subject: Add example for native types

---
 examples/04-native-type/hobgoblin.json5            | 15 +++++++++
 examples/04-native-type/output/java/.gitignore     |  2 ++
 examples/04-native-type/output/java/pom.xml        | 39 ++++++++++++++++++++++
 .../src/main/java/org/zwobble/example/Main.java    |  9 +++++
 .../src/main/java/org/zwobble/example/Point.java   |  4 +++
 .../org/zwobble/example/types/point/Native.java    |  9 +++++
 examples/04-native-type/src/point.hob              |  8 +++++
 7 files changed, 86 insertions(+)
 create mode 100644 examples/04-native-type/hobgoblin.json5
 create mode 100644 examples/04-native-type/output/java/.gitignore
 create mode 100644 examples/04-native-type/output/java/pom.xml
 create mode 100644 examples/04-native-type/output/java/src/main/java/org/zwobble/example/Main.java
 create mode 100644 examples/04-native-type/output/java/src/main/java/org/zwobble/example/Point.java
 create mode 100644 examples/04-native-type/output/java/src/main/java/org/zwobble/example/types/point/Native.java
 create mode 100644 examples/04-native-type/src/point.hob

(limited to 'examples')

diff --git a/examples/04-native-type/hobgoblin.json5 b/examples/04-native-type/hobgoblin.json5
new file mode 100644
index 0000000..89048ac
--- /dev/null
+++ b/examples/04-native-type/hobgoblin.json5
@@ -0,0 +1,15 @@
+{
+  outputs: [
+    {
+      generator: "java-types",
+      path: "output/java/src/gen/java",
+      packageName: "org.zwobble.example.types",
+      nativeTypes: [
+        {
+          hobgoblin: "point.Point",
+          java: "org.zwobble.example.Point",
+        }
+      ]
+    },
+  ],
+}
diff --git a/examples/04-native-type/output/java/.gitignore b/examples/04-native-type/output/java/.gitignore
new file mode 100644
index 0000000..ff511d4
--- /dev/null
+++ b/examples/04-native-type/output/java/.gitignore
@@ -0,0 +1,2 @@
+/src/gen/
+/target/
diff --git a/examples/04-native-type/output/java/pom.xml b/examples/04-native-type/output/java/pom.xml
new file mode 100644
index 0000000..7493667
--- /dev/null
+++ b/examples/04-native-type/output/java/pom.xml
@@ -0,0 +1,39 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.zwobble.hobgoblin.examples</groupId>
+  <artifactId>example</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>25</maven.compiler.source>
+    <maven.compiler.target>25</maven.compiler.target>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>3.6.1</version>
+        <executions>
+          <execution>
+            <id>add-source</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>add-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>src/gen/java</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/examples/04-native-type/output/java/src/main/java/org/zwobble/example/Main.java b/examples/04-native-type/output/java/src/main/java/org/zwobble/example/Main.java
new file mode 100644
index 0000000..f6a4443
--- /dev/null
+++ b/examples/04-native-type/output/java/src/main/java/org/zwobble/example/Main.java
@@ -0,0 +1,9 @@
+package org.zwobble.example;
+
+import org.zwobble.example.types.point.Line;
+
+public class Main {
+    public static void main() {
+        Line line = new Line(new Point(10, 25), new Point(25, 10));
+    }
+}
diff --git a/examples/04-native-type/output/java/src/main/java/org/zwobble/example/Point.java b/examples/04-native-type/output/java/src/main/java/org/zwobble/example/Point.java
new file mode 100644
index 0000000..8862a62
--- /dev/null
+++ b/examples/04-native-type/output/java/src/main/java/org/zwobble/example/Point.java
@@ -0,0 +1,4 @@
+package org.zwobble.example;
+
+public record Point(int x, int y) {
+}
diff --git a/examples/04-native-type/output/java/src/main/java/org/zwobble/example/types/point/Native.java b/examples/04-native-type/output/java/src/main/java/org/zwobble/example/types/point/Native.java
new file mode 100644
index 0000000..bd8c87a
--- /dev/null
+++ b/examples/04-native-type/output/java/src/main/java/org/zwobble/example/types/point/Native.java
@@ -0,0 +1,9 @@
+package org.zwobble.example.types.point;
+
+import org.zwobble.example.Point;
+
+public class Native {
+    public static Point arbitraryPoint() {
+        return new Point(0, 0);
+    }
+}
diff --git a/examples/04-native-type/src/point.hob b/examples/04-native-type/src/point.hob
new file mode 100644
index 0000000..7178dcb
--- /dev/null
+++ b/examples/04-native-type/src/point.hob
@@ -0,0 +1,8 @@
+native Point {
+}
+
+/// A straight line from one point to another.
+struct Line {
+    field start: Point;
+    field end: Point;
+}
-- 
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