From 81e9d4c913133ed400cff2c6abb0d51a004c1136 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Tue, 14 Jul 2026 22:20:51 +0100
Subject: Add integer literal to Rust AST

---
 .../compiler/output/lang/rust/RustWriter.java      |  8 +++++++
 .../output/lang/rust/ast/RustExpression.java       |  2 +-
 .../output/lang/rust/ast/RustIntegerLiteral.java   | 28 ++++++++++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustIntegerLiteral.java

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

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java
index 4b2ca36..eeb5134 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java
@@ -326,6 +326,10 @@ public class RustWriter implements AutoCloseable {
                 this.writeFieldExpression(fieldExpression);
             }
 
+            case RustIntegerLiteral integerLiteral -> {
+                this.writeIntegerLiteral(integerLiteral);
+            }
+
             case RustPath path -> {
                 this.writePath(path);
             }
@@ -382,6 +386,10 @@ public class RustWriter implements AutoCloseable {
         this.writeIdentifier(fieldExpression.fieldName());
     }
 
+    private void writeIntegerLiteral(RustIntegerLiteral integerLiteral) throws IOException {
+        this.writer.write(Long.toString(integerLiteral.value()));
+    }
+
     private void writePrefixExpression(RustPrefixExpression prefixExpression) throws IOException {
         this.writer.write(switch (prefixExpression.operator()) {
             case BORROW -> "&";
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java
index 9d6fdcb..2bf502d 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustExpression.java
@@ -5,7 +5,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
 // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression imports
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression imports
 
-public sealed interface RustExpression permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBlockExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBoolLiteral, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustCallExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFieldExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustStructExpression {
+public sealed interface RustExpression permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBlockExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustBoolLiteral, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustCallExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFieldExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPrefixExpression, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustStructExpression {
     public interface Builder {
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression build();
 
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustIntegerLiteral.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustIntegerLiteral.java
new file mode 100644
index 0000000..8034c2b
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustIntegerLiteral.java
@@ -0,0 +1,28 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral imports
+
+public record RustIntegerLiteral(long value) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral.Builder(0);
+    }
+
+    public record Builder(long value) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustExpression.Builder {
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral build() {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral(value);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral.Builder withValue(long value) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral.Builder(value);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIntegerLiteral body
+}
-- 
cgit v1.2.3