From 7ac5be7ba8f700f69009c5e980ee7b12b0653586 Mon Sep 17 00:00:00 2001
From: Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian>
Date: Sat, 17 Jan 2026 18:09:31 +0000
Subject: Fix for #60

---
 src/codegen/codegen.h      |  1 +
 src/codegen/codegen_decl.c | 11 ++++++++++-
 src/codegen/codegen_main.c |  3 +++
 3 files changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/codegen')

diff --git a/src/codegen/codegen.h b/src/codegen/codegen.h
index 45a00ed..c6e2836 100644
--- a/src/codegen/codegen.h
+++ b/src/codegen/codegen.h
@@ -28,6 +28,7 @@ void emit_func_signature(FILE *out, ASTNode *func, const char *name_override);
 // Declaration emission  (codegen_decl.c).
 void emit_preamble(ParserContext *ctx, FILE *out);
 void emit_includes_and_aliases(ASTNode *node, FILE *out);
+void emit_type_aliases(ASTNode *node, FILE *out);
 void emit_struct_defs(ParserContext *ctx, ASTNode *node, FILE *out);
 void emit_trait_defs(ASTNode *node, FILE *out);
 void emit_enum_protos(ASTNode *node, FILE *out);
diff --git a/src/codegen/codegen_decl.c b/src/codegen/codegen_decl.c
index e42d83b..6f9a1cb 100644
--- a/src/codegen/codegen_decl.c
+++ b/src/codegen/codegen_decl.c
@@ -207,7 +207,16 @@ void emit_includes_and_aliases(ASTNode *node, FILE *out)
                 fprintf(out, "#include \"%s\"\n", node->include.path);
             }
         }
-        else if (node->type == NODE_TYPE_ALIAS)
+        node = node->next;
+    }
+}
+
+// Emit type aliases (after struct defs so the aliased types exist)
+void emit_type_aliases(ASTNode *node, FILE *out)
+{
+    while (node)
+    {
+        if (node->type == NODE_TYPE_ALIAS)
         {
             fprintf(out, "typedef %s %s;\n", node->type_alias.original_type,
                     node->type_alias.alias);
diff --git a/src/codegen/codegen_main.c b/src/codegen/codegen_main.c
index ea90131..c86b6c9 100644
--- a/src/codegen/codegen_main.c
+++ b/src/codegen/codegen_main.c
@@ -341,6 +341,9 @@ void codegen_node(ParserContext *ctx, ASTNode *node, FILE *out)
             emit_struct_defs(ctx, sorted, out);
         }
 
+        // Emit type aliases after struct defs (so aliased generic types exist)
+        emit_type_aliases(kids, out);
+
         ASTNode *raw_iter = kids;
         while (raw_iter)
         {
-- 
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