From 3dbb3be9811c9ad93fa1df400297ac935aad8250 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 5 Jul 2026 11:23:14 +0100
Subject: Add cast to Java AST

---
 .../compiler/output/lang/java/JavaWriterTests.java |  9 +++++
 .../output/lang/java/ast/JavaCastMatcher.java      | 45 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaCastMatcher.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java
index 5b07ecb..b888375 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriterTests.java
@@ -831,6 +831,15 @@ public class JavaWriterTests {
         assertThat(string, equalTo("true"));
     }
 
+    @Test
+    public void cast() throws IOException {
+        var java = new JavaCast(JavaTypeRef.INT, new JavaIntegerLiteral(42));
+
+        var string = write(writer -> writer.writeTopLevelExpression(java));
+
+        assertThat(string, equalTo("(int) 42"));
+    }
+
     @Test
     public void integerLiteral() throws IOException {
         var java = new JavaIntegerLiteral(42);
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaCastMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaCastMatcher.java
new file mode 100644
index 0000000..4edd959
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaCastMatcher.java
@@ -0,0 +1,45 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.java.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher imports
+
+public class JavaCastMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher isJavaCast() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast>> submatchers;
+
+    private JavaCastMatcher(java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast>> submatchers) {
+        this.submatchers = submatchers;
+    }
+
+    public org.zwobble.precisely.MatchResult match(java.lang.Object actual) {
+        return this.toMatcher().match(actual);
+    }
+
+    public org.zwobble.precisely.TextTree describe() {
+        return this.toMatcher().describe();
+    }
+
+    private org.zwobble.precisely.Matcher<java.lang.Object> toMatcher() {
+        return org.zwobble.precisely.Matchers.instanceOf(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher withType(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaTypeRef> type) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("type", org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast::type, type));
+        return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher(submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher withOperand(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression> operand) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("operand", org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCast::operand, operand));
+        return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaCastMatcher body
+}
-- 
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