Add Patio void type

4 files changed, 10 insertions, 1 deletions

diff --git a/src/main/java/org/shedlang/compiler/patio/ast/PatioSerializer.java b/src/main/java/org/shedlang/compiler/patio/ast/PatioSerializer.java
index 6059101e..4182b918 100644
--- a/src/main/java/org/shedlang/compiler/patio/ast/PatioSerializer.java
+++ b/src/main/java/org/shedlang/compiler/patio/ast/PatioSerializer.java
@@ -206,6 +206,9 @@ public class PatioSerializer {
 
             case PatioIntType intType ->
                 treeIdentifier("int");
+
+            case PatioVoidType voidType ->
+                treeIdentifier("void");
         };
     }
 
diff --git a/src/main/java/org/shedlang/compiler/patio/ast/types/PatioType.java b/src/main/java/org/shedlang/compiler/patio/ast/types/PatioType.java
index 37b7ec4c..69b07faf 100644
--- a/src/main/java/org/shedlang/compiler/patio/ast/types/PatioType.java
+++ b/src/main/java/org/shedlang/compiler/patio/ast/types/PatioType.java
@@ -1,4 +1,4 @@
 package org.shedlang.compiler.patio.ast.types;
 
-public sealed interface PatioType permits PatioDataPointerType, PatioFunctionPointerType, PatioIntType {
+public sealed interface PatioType permits PatioDataPointerType, PatioFunctionPointerType, PatioIntType, PatioVoidType {
 }
diff --git a/src/main/java/org/shedlang/compiler/patio/ast/types/PatioTypes.java b/src/main/java/org/shedlang/compiler/patio/ast/types/PatioTypes.java
index 7059715d..95e07fbf 100644
--- a/src/main/java/org/shedlang/compiler/patio/ast/types/PatioTypes.java
+++ b/src/main/java/org/shedlang/compiler/patio/ast/types/PatioTypes.java
@@ -9,6 +9,7 @@ public class PatioTypes {
     public static final PatioDataPointerType DATA_POINTER = PatioDataPointerType.INSTANCE;
     public static final PatioFunctionPointerType FUNCTION_POINTER = PatioFunctionPointerType.INSTANCE;
     public static final PatioIntType INT = PatioIntType.INSTANCE;
+    public static final PatioVoidType VOID = PatioVoidType.INSTANCE;
 
     public static PatioDataLayout scalar(PatioType type) {
         return new PatioScalar(type);
diff --git a/src/main/java/org/shedlang/compiler/patio/ast/types/PatioVoidType.java b/src/main/java/org/shedlang/compiler/patio/ast/types/PatioVoidType.java
new file mode 100644
index 00000000..359f17e3
--- /dev/null
+++ b/src/main/java/org/shedlang/compiler/patio/ast/types/PatioVoidType.java
@@ -0,0 +1,5 @@
+package org.shedlang.compiler.patio.ast.types;
+
+public record PatioVoidType() implements PatioType {
+    public static final PatioVoidType INSTANCE = new PatioVoidType();
+}