Add struct receiver for field loads

2 files changed, 23 insertions, 1 deletions

diff --git a/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java b/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
index f71d9885..9f3fc75f 100644
--- a/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
+++ b/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
@@ -7,6 +7,7 @@ import org.shedlang.compiler.stackir.instructions.DefineFunctionInstruction;
 import org.shedlang.compiler.stackir.instructions.Instruction;
 import org.shedlang.compiler.stackir.instructions.Instructions;
 import org.shedlang.compiler.types.NamespaceName;
+import org.shedlang.compiler.types.Types;
 
 import java.util.List;
 
@@ -73,7 +74,7 @@ public class InstructionSerializerTests {
     }
 
     @Test
-    public void canSerializeFieldLoad() {
+    public void canSerializeNamespaceFieldLoad() {
         var instruction = Instructions.fieldLoad(
             new NamespaceName(List.of("Example", "Lib")),
             "x"
@@ -85,6 +86,18 @@ public class InstructionSerializerTests {
     }
 
     @Test
+    public void canSerializeStructFieldLoad() {
+        var instruction = Instructions.fieldLoad(
+            Types.struct(NamespaceName.of("Example", "Project"), "User"),
+            "name"
+        );
+
+        var string = serialize(instruction);
+
+        assertThat(string, equalTo("(field-load (struct \"Example/Project.User\") \"name\")"));
+    }
+
+    @Test
     public void canSerializeIf() {
         var instruction = Instructions.if_(
             1,
diff --git a/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java b/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java
index d07709a9..f30c75c6 100644
--- a/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java
+++ b/src/test/java/org/shedlang/compiler/stackir/instructions/Instructions.java
@@ -2,6 +2,7 @@ package org.shedlang.compiler.stackir.instructions;
 
 import org.shedlang.compiler.sources.Sources;
 import org.shedlang.compiler.types.NamespaceName;
+import org.shedlang.compiler.types.StructType;
 
 import java.math.BigInteger;
 import java.util.List;
@@ -30,6 +31,14 @@ public class Instructions {
         );
     }
 
+    public static Instruction fieldLoad(StructType type, String fieldName) {
+        return new FieldLoadInstruction(
+            new FieldLoadInstruction.Receiver.Struct(type),
+            fieldName,
+            Sources.NULL
+        );
+    }
+
     public static Instruction if_(
         int resultCount,
         List<Instruction> trueBody,