From d04aea3c5875cd2859d6ab961256b11189c49839 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Thu, 28 Oct 2021 10:40:22 +0200
Subject: Prepare for closure capture

---
 src/bytecode/objects.h | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

(limited to 'src/bytecode/objects.h')

diff --git a/src/bytecode/objects.h b/src/bytecode/objects.h
index 6c286b5..a9a7d0f 100755
--- a/src/bytecode/objects.h
+++ b/src/bytecode/objects.h
@@ -17,6 +17,20 @@ typedef enum ObjectType {
     OBJ_TYPE_ERR,
 } ObjectType;
 
+typedef struct Object Object;
+
+typedef struct Closure {
+    // Non-owning reference to a chunk.
+    Chunk *chunk;
+    // Captured values for this closure.
+    Object *values;
+} Closure;
+
+// typdef struct ConsCell {
+//     struct Object *car;
+//     struct Object *cdr;
+// } ConsCell;
+
 typedef struct Object {
     ObjectType type;
     bool marked;
@@ -29,26 +43,18 @@ typedef struct Object {
         char *text;
 
         // OBJ_TYPE_PAIR
-        // struct {
-        //     struct Object *car;
-        //     struct Object *cdr;
-        // };
+        // ConsCell *cons_cell;
 
         // OBJ_TYPE_LAMBDA
-        Chunk *chunk;
-        // struct {
-        //     struct Object *params;
-        //     struct Object *body;
-        //     struct Environment *env;
-        // };
+        Closure *closure;
     };
 } Object;
 
 Object make_string(StringView sv);
 Object make_symbol(StringView sv);
-Object make_lambda(StringView name);
+Object make_lambda(Chunk *chunk);
 void object_display(Object obj);
-void object_free(Object obj);
+void object_free(Object *obj);
 bool object_equal(Object a, Object b);
 Object object_copy(Object src);
 
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