np: parse: Add AST structure and initial logic

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/sys/np/core/np_parse.c b/src/sys/np/core/np_parse.c
index 12732cd..63f93aa 100644
--- a/src/sys/np/core/np_parse.c
+++ b/src/sys/np/core/np_parse.c
@@ -33,6 +33,7 @@
 #include <sys/param.h>
 #include <np/lex.h>
 #include <np/parse.h>
+#include <np/ast.h>
 #include <os/np.h>
 
 #define pr_trace(fmt, ...) printf("pirho.parse: " fmt, ##__VA_ARGS__)
@@ -173,6 +174,13 @@ parse_work(struct np_work *work)
         return -EINVAL;
     }
 
+    /* Get the AST root node */
+    work->ast_root = ast_alloc(work);
+    if (work->ast_root == NULL) {
+        pr_error("failed to alloc root AST|n");
+        return -ENOMEM;
+    }
+
     while (error == 0) {
         error = lex_nom(work, &tok);
         if (error < 0) {