Make size of LLVM array type optional

3 files changed, 10 insertions, 3 deletions

diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java
index 0c916286..dc6eb3d3 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializer.java
@@ -191,7 +191,7 @@ public class LlvmIrSerializer {
             }
             case LlvmTypeArray array -> {
                 builder.append("[");
-                builder.append(array.size());
+                builder.append(array.size().orElse(0));
                 builder.append(" x ");
                 serializeType(array.elementType(), builder);
                 builder.append("]");
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeArray.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeArray.java
index b70755c9..5934d5d8 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeArray.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeArray.java
@@ -1,4 +1,6 @@
 package org.shedlang.compiler.backends.llvm.ir.ast.types;
 
-public record LlvmTypeArray(int size, LlvmType elementType) implements LlvmType {
+import java.util.OptionalInt;
+
+public record LlvmTypeArray(OptionalInt size, LlvmType elementType) implements LlvmType {
 }
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypes.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypes.java
index afa7103f..90a8b1ee 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypes.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypes.java
@@ -1,6 +1,7 @@
 package org.shedlang.compiler.backends.llvm.ir.ast.types;
 
 import java.util.List;
+import java.util.OptionalInt;
 
 public class LlvmTypes {
     private LlvmTypes() {
@@ -11,8 +12,12 @@ public class LlvmTypes {
     public static final LlvmTypeScalar INT_64 = new LlvmTypeScalar("i64");
     public static final LlvmTypeScalar VOID = new LlvmTypeScalar("void");
 
+    public static LlvmTypeArray array(LlvmType elementType) {
+        return new LlvmTypeArray(OptionalInt.empty(), elementType);
+    }
+
     public static LlvmTypeArray array(int size, LlvmType elementType) {
-        return new LlvmTypeArray(size, elementType);
+        return new LlvmTypeArray(OptionalInt.of(size), elementType);
     }
 
     public static LlvmTypeFunction function(