Add LLVM structure type

4 files changed, 26 insertions, 1 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 c098f32d..b3e87ac7 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
@@ -15,6 +15,7 @@ import org.shedlang.compiler.backends.llvm.ir.ast.operands.*;
 import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmType;
 import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmTypeArray;
 import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmTypeScalar;
+import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmTypeStructure;
 
 import static org.shedlang.compiler.util.Iterables.forEachInterspersed;
 
@@ -144,6 +145,15 @@ public class LlvmIrSerializer {
                 serializeType(array.elementType(), builder);
                 builder.append("]");
             }
+            case LlvmTypeStructure structure -> {
+                builder.append("{");
+                forEachInterspersed(
+                    structure.elementTypes(),
+                    elementType -> serializeType(elementType, builder),
+                    () -> builder.append(", ")
+                );
+                builder.append("}");
+            }
         }
     }
 
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmType.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmType.java
index a0b2dbc8..067ad6d8 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmType.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmType.java
@@ -1,4 +1,4 @@
 package org.shedlang.compiler.backends.llvm.ir.ast.types;
 
-public sealed interface LlvmType permits LlvmTypeArray, LlvmTypeScalar {
+public sealed interface LlvmType permits LlvmTypeArray, LlvmTypeScalar, LlvmTypeStructure {
 }
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeStructure.java b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeStructure.java
new file mode 100644
index 00000000..0299197c
--- /dev/null
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/ir/ast/types/LlvmTypeStructure.java
@@ -0,0 +1,8 @@
+package org.shedlang.compiler.backends.llvm.ir.ast.types;
+
+import java.util.List;
+
+public record LlvmTypeStructure(
+    List<LlvmType> elementTypes
+) 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 27a0bd60..e93308fd 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
@@ -1,13 +1,20 @@
 package org.shedlang.compiler.backends.llvm.ir.ast.types;
 
+import java.util.List;
+
 public class LlvmTypes {
     private LlvmTypes() {
     }
 
+    public static final LlvmType INT_32 = new LlvmTypeScalar("i32");
     public static final LlvmType INT_64 = new LlvmTypeScalar("i64");
     public static final LlvmType VOID = new LlvmTypeScalar("void");
 
     public static LlvmTypeArray array(int size, LlvmType elementType) {
         return new LlvmTypeArray(size, elementType);
     }
+
+    public static LlvmTypeStructure structure(List<LlvmType> elementTypes) {
+        return new LlvmTypeStructure(elementTypes);
+    }
 }