start codegen work

1 files changed, 4 insertions, 4 deletions

diff --git a/ast.h b/ast.h
index c82f089..b058487 100644
--- a/ast.h
+++ b/ast.h
@@ -37,13 +37,9 @@ struct int_lit_node {
 struct expr_node {
     enum {
         EXPR_EMPTY,
-        EXPR_VAR_DECL,
-        EXPR_RETURN,
         EXPR_INT_LIT,
     } type;
     union {
-        struct var_decl_node _var_decl;
-        struct return_node _return;
         struct int_lit_node _int_lit;
     } as;
 };
@@ -51,10 +47,14 @@ struct expr_node {
 struct stmt_node {
     enum {
         STMT_EXPR,
+        STMT_VAR_DECL,
+        STMT_RETURN,
         STMT_GROUP,
     } type;
     union {
         struct expr_node _expr;
+        struct var_decl_node _var_decl;
+        struct return_node _return;
         struct group_node _group;
     } as;