From 36a11cc4637ab14718ddf73921a1c0658c9056d0 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 17 May 2026 10:14:51 +0100
Subject: Add params to Java method node

---
 .../hobgoblin/compiler/output/lang/java/JavaWriter.java  | 16 ++++++++++++++--
 .../output/lang/java/ast/JavaMethodDeclaration.java      |  5 ++++-
 .../compiler/output/lang/java/ast/JavaParam.java         |  7 +++++++
 .../compiler/output/lang/java/ast/JavaTypeRef.java       |  2 ++
 4 files changed, 27 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaParam.java

(limited to 'src/main/java/org')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java
index 9d74d7d..1a5fe29 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java
@@ -83,12 +83,24 @@ public class JavaWriter implements AutoCloseable {
         }
     }
 
-    private void writeMethodDeclaration(JavaMethodDeclaration method) throws IOException {
+    void writeMethodDeclaration(JavaMethodDeclaration method) throws IOException {
         this.writer.write("public ");
         writeTypeRef(method.returnType());
         this.writer.write(" ");
         this.writer.write(method.name());
-        this.writer.write("() {");
+        this.writer.write("(");
+
+        writeWithSeparator(
+            method.params(),
+            param -> {
+                writeTypeRef(param.type());
+                writer.write(" ");
+                writer.write(param.name());
+            },
+            () -> writer.write(", ")
+        );
+
+        this.writer.write(") {");
         this.writer.newLine();
         this.writer.write("}");
     }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaMethodDeclaration.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaMethodDeclaration.java
index 84179f6..fb29f5c 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaMethodDeclaration.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaMethodDeclaration.java
@@ -1,7 +1,10 @@
 package org.zwobble.hobgoblin.compiler.output.lang.java.ast;
 
+import java.util.List;
+
 public record JavaMethodDeclaration(
     String name,
-    JavaTypeRef returnType
+    JavaTypeRef returnType,
+    List<JavaParam> params
 ) implements JavaClassBodyDeclaration {
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaParam.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaParam.java
new file mode 100644
index 0000000..49a7f5f
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaParam.java
@@ -0,0 +1,7 @@
+package org.zwobble.hobgoblin.compiler.output.lang.java.ast;
+
+public record JavaParam(
+    JavaTypeRef type,
+    String name
+) {
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaTypeRef.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaTypeRef.java
index 3654acc..9020791 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaTypeRef.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaTypeRef.java
@@ -3,5 +3,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.java.ast;
 import java.util.List;
 
 public record JavaTypeRef(List<String> packageName, String name, List<JavaTypeRef> args) {
+    public static final JavaTypeRef INT = new JavaTypeRef(List.of(), "int", List.of());
+    public static final JavaTypeRef LONG = new JavaTypeRef(List.of(), "long", List.of());
     public static final JavaTypeRef VOID = new JavaTypeRef(List.of(), "void", List.of());
 }
-- 
cgit v1.2.3