Add path patterns to Rust AST

5 files changed, 93 insertions, 1 deletions

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 e3991c8..9c5361b 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
@@ -622,6 +622,10 @@ public class RustWriter implements AutoCloseable {
                 this.writeIdentifierPattern(identifierPattern);
             }
 
+            case RustPathPattern pathPattern -> {
+                this.writePathPattern(pathPattern);
+            }
+
             case RustWildcardPattern wildcardPattern -> {
                 this.writeWildcardPattern(wildcardPattern);
             }
@@ -634,6 +638,10 @@ public class RustWriter implements AutoCloseable {
         this.writeIdentifier(identifierPattern.variableName());
     }
 
+    private void writePathPattern(RustPathPattern pathPattern) throws IOException {
+        this.writePath(pathPattern.path());
+    }
+
     private void writeWildcardPattern(
         RustWildcardPattern wildcardPattern
     ) throws IOException {
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPattern.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPattern.java
new file mode 100644
index 0000000..89395cb
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPathPattern.java
@@ -0,0 +1,32 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern imports
+
+public record RustPathPattern(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath path) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath.arbitrary().build());
+    }
+
+    public record Builder(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath path) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern.Builder {
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern build() {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern(path);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder withPath(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath path) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder(path);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder withPath(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath.Builder path) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder(path.build());
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern body
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java
index 50ee8eb..b012a9c 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.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.RustPattern imports
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern imports
 
-public sealed interface RustPattern permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifierPattern, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern {
+public sealed interface RustPattern permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifierPattern, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPathPattern, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern {
     public interface Builder {
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern build();
 
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
+}