From f026d721ef6e1708b4ec28fdb68179cb7dda75d0 Mon Sep 17 00:00:00 2001
From: Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian>
Date: Sat, 17 Jan 2026 00:58:40 +0000
Subject: Modify codegen to add a dummy member for empty structs.

---
 src/codegen/codegen_decl.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/codegen/codegen_decl.c')

diff --git a/src/codegen/codegen_decl.c b/src/codegen/codegen_decl.c
index 18e6987..0ee4cd6 100644
--- a/src/codegen/codegen_decl.c
+++ b/src/codegen/codegen_decl.c
@@ -273,7 +273,15 @@ void emit_struct_defs(ParserContext *ctx, ASTNode *node, FILE *out)
                 fprintf(out, "struct %s {", node->strct.name);
             }
             fprintf(out, "\n");
-            codegen_walker(ctx, node->strct.fields, out);
+            if (node->strct.fields)
+            {
+                codegen_walker(ctx, node->strct.fields, out);
+            }
+            else
+            {
+                // C requires at least one member in a struct.
+                fprintf(out, "    char _placeholder;\n");
+            }
             fprintf(out, "}");
 
             if (node->strct.is_packed && node->strct.align)
-- 
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