From 9dfbe7eec5d28f59e32882e6f99c03153fbe2ab8 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 25 Oct 2026 09:38:14 +0000
Subject: Parse return statement

---
 .../ast/untyped/UntypedReturnNodeMatcher.java      | 47 ++++++++++++++++++++++
 .../compiler/parser/ParserReturnTests.java         | 25 ++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedReturnNodeMatcher.java
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReturnTests.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedReturnNodeMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedReturnNodeMatcher.java
new file mode 100644
index 0000000..7825b0d
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedReturnNodeMatcher.java
@@ -0,0 +1,47 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.ast.untyped;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher imports
+
+public final class UntypedReturnNodeMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher isUntypedReturnNode() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNode>> submatchers;
+
+    private UntypedReturnNodeMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNode>> 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.ast.untyped.UntypedReturnNode.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher withExpression(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode> expression) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNode>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("expression", org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNode::expression, (org.zwobble.precisely.Matcher) expression));
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher(submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher withSource(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.sources.Source> source) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNode>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("source", org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNode::source, (org.zwobble.precisely.Matcher) source));
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher body
+}
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReturnTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReturnTests.java
new file mode 100644
index 0000000..64ce562
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReturnTests.java
@@ -0,0 +1,25 @@
+package org.zwobble.hobgoblin.compiler.parser;
+
+import org.junit.jupiter.api.Test;
+
+import static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReferenceNodeMatcher.isUntypedReferenceNode;
+import static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReturnNodeMatcher.isUntypedReturnNode;
+import static org.zwobble.hobgoblin.compiler.parser.ParserTesting.parseString;
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.equalTo;
+
+public class ParserReturnTests {
+    @Test
+    public void canParseReturn() {
+        var source = "return x;";
+
+        var node = parseString(source, Parser::parseStatement);
+
+        assertThat(node, isUntypedReturnNode()
+            .withExpression(isUntypedReferenceNode()
+                .withName(equalTo("x"))
+            )
+        );
+    }
+}
+
-- 
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