From 4d70765d17ac121f340f52d7774d78881bec6328 Mon Sep 17 00:00:00 2001
From: Jesse Brault <jbrault@mac.com>
Date: Thu, 4 Sep 2025 11:10:59 -0500
Subject: [PATCH] Wrap in Boxes.

---
 ast-generator/src/build_fn_gen.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ast-generator/src/build_fn_gen.rs b/ast-generator/src/build_fn_gen.rs
index 3b9c650..ab5f2e7 100644
--- a/ast-generator/src/build_fn_gen.rs
+++ b/ast-generator/src/build_fn_gen.rs
@@ -20,7 +20,7 @@ fn make_child_holder(child_spec: &ChildSpec) -> Option<TokenStream> {
                 ),
             };
             Some(quote! {
-                let mut #child_ident: Vec<#child_type_ident> = vec![]
+                let mut #child_ident: Vec<Box<#child_type_ident>> = vec![]
             })
         }
         ChildSpec::SingleChild(single_child) => match single_child.build() {
@@ -28,7 +28,7 @@ fn make_child_holder(child_spec: &ChildSpec) -> Option<TokenStream> {
                 let child_ident = format_ident!("{}", single_type_child.var_name());
                 let child_type_ident = format_ident!("{}", single_type_child.build());
                 Some(quote! {
-                    let mut #child_ident: Option<#child_type_ident> = None;
+                    let mut #child_ident: Option<Box<#child_type_ident>> = None;
                 })
             }
             SingleChildToBuild::Boolean(boolean_child) => {
@@ -52,7 +52,7 @@ fn make_match_action(child_spec: &ChildSpec) -> TokenStream {
                 ),
             };
             quote! {
-                #child_name_ident.push(#build_fn_ident(inner_pair))
+                #child_name_ident.push(Box::new(#build_fn_ident(inner_pair)))
             }
         }
         ChildSpec::SingleChild(single_child) => match single_child.build() {
@@ -60,7 +60,7 @@ fn make_match_action(child_spec: &ChildSpec) -> TokenStream {
                 let child_name_ident = format_ident!("{}", single_type_child.var_name());
                 let build_fn_ident = format_ident!("{}", single_type_child.with());
                 quote! {
-                    #child_name_ident = Some(#build_fn_ident(inner_pair))
+                    #child_name_ident = Some(Box::new(#build_fn_ident(inner_pair)))
                 }
             }
             SingleChildToBuild::Boolean(single_boolean_child) => {