Add local-load instruction to Patio IR

3 files changed, 17 insertions, 1 deletions

diff --git a/src/main/java/org/shedlang/compiler/patio/PatioInstructionSerializer.java b/src/main/java/org/shedlang/compiler/patio/PatioInstructionSerializer.java
index f49b693f..342adc3a 100644
--- a/src/main/java/org/shedlang/compiler/patio/PatioInstructionSerializer.java
+++ b/src/main/java/org/shedlang/compiler/patio/PatioInstructionSerializer.java
@@ -37,6 +37,12 @@ public class PatioInstructionSerializer {
             case PatioDiscard discard ->
                 treeList(treeIdentifier("discard"));
 
+            case PatioLocalLoad localLoad ->
+                treeList(
+                    treeIdentifier("local-load"),
+                    treeString(localLoad.name())
+                );
+
             case PatioMemoryLoad memoryLoad ->
                 treeList(
                     treeIdentifier("memory-load"),
diff --git a/src/main/java/org/shedlang/compiler/patio/instructions/PatioInstruction.java b/src/main/java/org/shedlang/compiler/patio/instructions/PatioInstruction.java
index eec38e63..fa6fe302 100644
--- a/src/main/java/org/shedlang/compiler/patio/instructions/PatioInstruction.java
+++ b/src/main/java/org/shedlang/compiler/patio/instructions/PatioInstruction.java
@@ -2,6 +2,6 @@ package org.shedlang.compiler.patio.instructions;
 
 import org.shedlang.compiler.sources.Source;
 
-public sealed interface PatioInstruction permits PatioAlloc, PatioDiscard, PatioMemoryLoad, PatioMemoryStore, PatioPushFunctionPointer, PatioReturn {
+public sealed interface PatioInstruction permits PatioAlloc, PatioDiscard, PatioLocalLoad, PatioMemoryLoad, PatioMemoryStore, PatioPushFunctionPointer, PatioReturn {
     Source source();
 }
diff --git a/src/main/java/org/shedlang/compiler/patio/instructions/PatioLocalLoad.java b/src/main/java/org/shedlang/compiler/patio/instructions/PatioLocalLoad.java
new file mode 100644
index 00000000..984b9ee4
--- /dev/null
+++ b/src/main/java/org/shedlang/compiler/patio/instructions/PatioLocalLoad.java
@@ -0,0 +1,10 @@
+package org.shedlang.compiler.patio.instructions;
+
+import org.shedlang.compiler.sources.Source;
+
+/**
+ * Load the local with the given name and push it onto the stack.
+ */
+
+public record PatioLocalLoad(String name, Source source) implements PatioInstruction  {
+}