add subshell ast

prepare for real subshell and expansion

1 files changed, 2 insertions, 0 deletions

diff --git a/include/lexer/ast.h b/include/lexer/ast.h
index 3434aa3..d4b0fd5 100644
--- a/include/lexer/ast.h
+++ b/include/lexer/ast.h
@@ -20,6 +20,8 @@ public:
     string command_text;
     size_t left = string::npos;
     size_t right = string::npos;
+
+    bool subshell;
 };
 
 }