From 006d465c265246fa84e7926f2f0d3fe0ac19b2e2 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 16 Dec 2023 13:41:42 +0000
Subject: Make strings GC objects

---
 runtime/src/gc.h      | 8 ++++++++
 runtime/src/strings.c | 2 +-
 runtime/src/strings.h | 2 ++
 3 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 runtime/src/gc.h

(limited to 'runtime/src')

diff --git a/runtime/src/gc.h b/runtime/src/gc.h
new file mode 100644
index 00000000..d7f5f9af
--- /dev/null
+++ b/runtime/src/gc.h
@@ -0,0 +1,8 @@
+#ifndef SHED_GC_H
+#define SHED_GC_H
+
+struct ShedGcObjectHeader {
+    struct ShedGcObjectHeader* next;
+};
+
+#endif
diff --git a/runtime/src/strings.c b/runtime/src/strings.c
index c19bb3bd..9fd545f0 100644
--- a/runtime/src/strings.c
+++ b/runtime/src/strings.c
@@ -2,7 +2,7 @@
 #include "./strings.h"
 
 ShedString shed__runtime__string_alloc(ShedStringLength length) {
-    return shed__runtime__alloc(sizeof(ShedStringLength) + length);
+    return shed__runtime__alloc(sizeof(struct ShedString) + length);
 }
 
 ShedString shed__runtime__string_add(ShedString left, ShedString right) {
diff --git a/runtime/src/strings.h b/runtime/src/strings.h
index 3e964c71..d299a098 100644
--- a/runtime/src/strings.h
+++ b/runtime/src/strings.h
@@ -4,10 +4,12 @@
 #include <stdint.h>
 
 #include "./patio/patio.h"
+#include "./gc.h"
 
 typedef PatioInt ShedStringLength;
 
 struct ShedString {
+    struct ShedGcObjectHeader gc_object_header;
     ShedStringLength length;
     uint8_t data[];
 };
-- 
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