From acbe6e1325232f47f323e0207de74a049403d4bb Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 10 Jul 2026 20:56:56 +0100
Subject: Add add operator to Java AST

---
 .../org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java    | 3 +++
 .../hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperation.java   | 2 +-
 .../hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java    | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

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

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 18df14e..aa1f3c1 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
@@ -604,6 +604,7 @@ public class JavaWriter implements AutoCloseable {
 
     private static JavaPrecedence precedence(JavaBinaryOperation binaryOperation) {
         return switch (binaryOperation.operator()) {
+            case ADD -> JavaPrecedence.ADDITIVE;
             case ASSIGN -> JavaPrecedence.ASSIGNMENT;
             case BITWISE_AND -> JavaPrecedence.BITWISE_AND;
             case BITWISE_OR -> JavaPrecedence.BITWISE_INCLUSIVE_OR;
@@ -626,6 +627,7 @@ public class JavaWriter implements AutoCloseable {
         );
         this.writer.write(" ");
         this.writer.write(switch (binaryOperation.operator()) {
+            case ADD -> "+";
             case ASSIGN -> "=";
             case BITWISE_AND -> "&";
             case BITWISE_OR -> "|";
@@ -645,6 +647,7 @@ public class JavaWriter implements AutoCloseable {
 
     private boolean isLeftAssociative(JavaBinaryOperator operator) {
         return switch (operator) {
+            case ADD -> true;
             case ASSIGN -> false;
             case BITWISE_AND -> true;
             case BITWISE_OR -> true;
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperation.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperation.java
index cb1c0ef..e638b7f 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperation.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperation.java
@@ -7,7 +7,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.java.ast;
 
 public record JavaBinaryOperation(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperator operator, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression left, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression right) implements org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression {
     public static org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperation.Builder arbitrary() {
-        return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperation.Builder(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperator.ASSIGN, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBooleanLiteral.arbitrary().build(), org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBooleanLiteral.arbitrary().build());
+        return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperation.Builder(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperator.ADD, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBooleanLiteral.arbitrary().build(), org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBooleanLiteral.arbitrary().build());
     }
 
     public record Builder(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperator operator, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression left, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression right) implements org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression.Builder {
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java
index 4eaa2a5..e51ad40 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBinaryOperator.java
@@ -6,6 +6,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.java.ast;
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBinaryOperator imports
 
 public enum JavaBinaryOperator {
+    ADD,
     ASSIGN,
     BITWISE_AND,
     BITWISE_OR,
-- 
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