Add tuple type expression to Rust AST

3 files changed, 62 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 4acbb0e..ea3a38b 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
@@ -481,6 +481,10 @@ public class RustWriter implements AutoCloseable {
             case RustSharedReferenceType sharedReferenceType -> {
                 writeSharedReferenceType(sharedReferenceType);
             }
+
+            case RustTupleType tupleType -> {
+                writeTupleType(tupleType);
+            }
         }
     }
 
@@ -499,6 +503,23 @@ public class RustWriter implements AutoCloseable {
         this.writeType(sharedReferenceType.referencedType());
     }
 
+    private void writeTupleType(RustTupleType tupleType) throws IOException {
+        this.writer.write("(");
+        if (tupleType.elementTypes().size() == 1) {
+            this.writeType(tupleType.elementTypes().getFirst());
+            this.writer.write(",");
+        } else if (tupleType.elementTypes().size() > 1) {
+            writeWithSeparator(
+                tupleType.elementTypes(),
+                this::writeType,
+                () -> {
+                    this.writer.write(", ");
+                }
+            );
+        }
+        this.writer.write(")");
+    }
+
     // == Paths ==
 
     private void writePath(RustPath path) throws IOException {
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTupleType.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTupleType.java
new file mode 100644
index 0000000..9948f78
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTupleType.java
@@ -0,0 +1,40 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType imports
+
+public record RustTupleType(java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType> elementTypes) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder(java.util.List.of());
+    }
+
+    public record Builder(java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType> elementTypes) implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType.Builder {
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType build() {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType(elementTypes);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder withElementTypes(java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType> elementTypes) {
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder(elementTypes);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder addElementType(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType elementType) {
+            var elementTypes = new java.util.ArrayList<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType>(this.elementTypes);
+            elementTypes.add(elementType);
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder(elementTypes);
+        }
+
+        public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder addElementType(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType.Builder elementType) {
+            var elementTypes = new java.util.ArrayList<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType>(this.elementTypes);
+            elementTypes.add(elementType.build());
+            return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder(elementTypes);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType body
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustType.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustType.java
index 9c797ac..6e13102 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustType.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustType.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.RustType imports
 // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType imports
 
-public sealed interface RustType permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustImplTraitType, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustMutableReferenceType, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustSharedReferenceType {
+public sealed interface RustType permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustImplTraitType, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustMutableReferenceType, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustSharedReferenceType, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType {
     public interface Builder {
         public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType build();