From 6d6db81f76f350244ab58b795bccbd95afc95c56 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 25 Oct 2026 09:28:03 +0000
Subject: Parse member access expressions

---
 .../untyped/UntypedMemberAccessNodeMatcher.java    | 53 ++++++++++++++++++++++
 .../compiler/parser/ParserMemberAccessTests.java   | 26 +++++++++++
 .../compiler/parser/ParserReferenceTests.java      |  2 +-
 3 files changed, 80 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedMemberAccessNodeMatcher.java
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserMemberAccessTests.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedMemberAccessNodeMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedMemberAccessNodeMatcher.java
new file mode 100644
index 0000000..ffe9804
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedMemberAccessNodeMatcher.java
@@ -0,0 +1,53 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.ast.untyped;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher imports
+
+public final class UntypedMemberAccessNodeMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher isUntypedMemberAccessNode() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode>> submatchers;
+
+    private UntypedMemberAccessNodeMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode>> 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.UntypedMemberAccessNode.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher withReceiver(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedExpressionNode> receiver) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("receiver", org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode::receiver, (org.zwobble.precisely.Matcher) receiver));
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher(submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher withFieldName(org.zwobble.precisely.Matcher<? super String> fieldName) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("fieldName", org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode::fieldName, (org.zwobble.precisely.Matcher) fieldName));
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher(submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher 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.UntypedMemberAccessNode>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("source", org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNode::source, (org.zwobble.precisely.Matcher) source));
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher body
+}
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserMemberAccessTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserMemberAccessTests.java
new file mode 100644
index 0000000..d28cc2b
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserMemberAccessTests.java
@@ -0,0 +1,26 @@
+package org.zwobble.hobgoblin.compiler.parser;
+
+import org.junit.jupiter.api.Test;
+
+import static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedMemberAccessNodeMatcher.isUntypedMemberAccessNode;
+import static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedReferenceNodeMatcher.isUntypedReferenceNode;
+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 ParserMemberAccessTests {
+    @Test
+    public void canParseMemberAccess() {
+        var source = "author.name";
+
+        var node = parseString(source, Parser::parseTopLevelExpression);
+
+        assertThat(node, isUntypedMemberAccessNode()
+            .withReceiver(isUntypedReferenceNode()
+                .withName(equalTo("author"))
+            )
+            .withFieldName(equalTo("name"))
+        );
+    }
+}
+
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReferenceTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReferenceTests.java
index 8a390c6..fdd3add 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReferenceTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/parser/ParserReferenceTests.java
@@ -12,7 +12,7 @@ public class ParserReferenceTests {
     public void canParseReference() {
         var source = "authors";
 
-        var node = parseString(source, Parser::parseExpression);
+        var node = parseString(source, Parser::parseTopLevelExpression);
 
         assertThat(node, isUntypedReferenceNode()
             .withName(equalTo("authors"))
-- 
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