Add namespace-import instruction

3 files changed, 17 insertions, 1 deletions

diff --git a/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java b/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java
index 12592b42..35789b18 100644
--- a/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java
+++ b/src/main/java/org/shedlang/compiler/stackir/InstructionSerializer.java
@@ -93,6 +93,12 @@ public class InstructionSerializer {
                     treeString(namespaceFieldStore.namespaceName().toString()),
                     treeString(namespaceFieldStore.fieldName())
                 );
+
+            case NamespaceImportInstruction namespaceImport ->
+                treeList(
+                    treeIdentifier("namespace-import"),
+                    treeString(namespaceImport.namespaceName().toString())
+                );
             
             case PushBoolInstruction pushBoolInstruction ->
                 treeList(
diff --git a/src/main/java/org/shedlang/compiler/stackir/instructions/Instruction.java b/src/main/java/org/shedlang/compiler/stackir/instructions/Instruction.java
index 50607e02..1fb0bede 100644
--- a/src/main/java/org/shedlang/compiler/stackir/instructions/Instruction.java
+++ b/src/main/java/org/shedlang/compiler/stackir/instructions/Instruction.java
@@ -3,7 +3,7 @@ package org.shedlang.compiler.stackir.instructions;
 import org.shedlang.compiler.sources.Source;
 
 public sealed interface Instruction
-    permits CallInstruction, DefineFunctionInstruction, DiscardInstruction, LocalLoadInstruction, LocalStoreInstruction, NamespaceFieldStoreInstruction, PushBoolInstruction, PushIntInstruction, PushStringInstruction, PushUnitInstruction, ReturnInstruction {
+    permits CallInstruction, DefineFunctionInstruction, DiscardInstruction, LocalLoadInstruction, LocalStoreInstruction, NamespaceFieldStoreInstruction, NamespaceImportInstruction, PushBoolInstruction, PushIntInstruction, PushStringInstruction, PushUnitInstruction, ReturnInstruction {
 
     Source source();
 }
diff --git a/src/main/java/org/shedlang/compiler/stackir/instructions/NamespaceImportInstruction.java b/src/main/java/org/shedlang/compiler/stackir/instructions/NamespaceImportInstruction.java
new file mode 100644
index 00000000..3e7abd7f
--- /dev/null
+++ b/src/main/java/org/shedlang/compiler/stackir/instructions/NamespaceImportInstruction.java
@@ -0,0 +1,10 @@
+package org.shedlang.compiler.stackir.instructions;
+
+import org.shedlang.compiler.sources.Source;
+import org.shedlang.compiler.types.NamespaceName;
+
+public record NamespaceImportInstruction(
+    NamespaceName namespaceName,
+    Source source
+) implements Instruction {
+}