Compile Patio mutable data declarations into LLVM IR

1 files changed, 19 insertions, 1 deletions

diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/codegen/PatioToLlvm.java b/src/main/java/org/shedlang/compiler/backends/llvm/codegen/PatioToLlvm.java
index 4d838b34..a93b9337 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/codegen/PatioToLlvm.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/codegen/PatioToLlvm.java
@@ -170,7 +170,8 @@ public class PatioToLlvm {
                 generateDataElementImmutableDefinition(patioDataElementImmutableDefinition, context);
 
             case PatioDataElementMutableDeclaration patioDataElementMutableDeclaration ->
-                throw new UnsupportedOperationException("TODO");
+                // TODO: how to test this?
+                generateDataElementMutableDeclaration(patioDataElementMutableDeclaration, context);
 
             case PatioDataElementMutableDefinition patioDataElementMutableDefinition ->
                 generateDataElementMutableDefinition(patioDataElementMutableDefinition, context);
@@ -206,6 +207,23 @@ public class PatioToLlvm {
         ));
     }
 
+    private static PatioToLlvmModuleContext generateDataElementMutableDeclaration(
+        PatioDataElementMutableDeclaration patioDataElementMutableDeclaration,
+        PatioToLlvmModuleContext context
+    ) {
+        return context.addTopLevelEntity(new LlvmGlobalDefinition(
+            patioDataElementMutableDeclaration.name(),
+            patioDataLayoutToLlvmType(
+                patioDataElementMutableDeclaration.layout(),
+                context.target()
+            ),
+            Optional.empty(),
+            false,
+            false,
+            true
+        ));
+    }
+
     private static PatioToLlvmModuleContext generateDataElementMutableDefinition(
         PatioDataElementMutableDefinition patioDataElementMutableDefinition,
         PatioToLlvmModuleContext context