From c4e0e6e62565c9e601ff45a366cf5dd31324c13c Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 19 Jul 2026 17:26:35 +0100
Subject: Add path patterns to Rust AST

---
 .../compiler/output/lang/rust/RustWriterTests.java | 13 ++++++++
 .../lang/rust/ast/RustPathPatternMatcher.java      | 39 ++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPatternMatcher.java

(limited to 'src/test')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
index d036f78..24a57a6 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
@@ -850,6 +850,19 @@ public class RustWriterTests {
         assertThat(string, equalTo("x"));
     }
 
+    // === Path patterns ===
+
+    @Test
+    public void pathPattern() throws IOException {
+        var rust = RustPathPattern.arbitrary()
+            .withPath(RustPath.of("X", "Y"))
+            .build();
+
+        var string = write(writer -> writer.writePattern(rust));
+
+        assertThat(string, equalTo("X::Y"));
+    }
+
     // === Wildcard patterns ===
 
     @Test
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPatternMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPatternMatcher.java
new file mode 100644
index 0000000..b231b83
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPatternMatcher.java
@@ -0,0 +1,39 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher imports
+
+public class RustPathPatternMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher isRustPathPattern() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern>> submatchers;
+
+    private RustPathPatternMatcher(java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern>> 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.rust.ast.RustPathPattern.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher withPath(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath> path) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("path", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern::path, path));
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPatternMatcher body
+}
-- 
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