core: parser: Add parser groundwork

Signed-off-by: Chloe M. <chloe@aptel.org>

2 files changed, 21 insertions, 0 deletions

diff --git a/head/defconf/parser.h b/head/defconf/parser.h
new file mode 100644
index 0000000..8306cd5
--- /dev/null
+++ b/head/defconf/parser.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+#ifndef DEFCONF_PARSER_H
+#define DEFCONF_PARSER_H 1
+
+#include "defconf/state.h"
+
+/*
+ * Begin parsing the configuration
+ *
+ * @state:  Defconf state
+ *
+ * Returns zero on success
+ */
+int parse_begin(struct defconf_state *state);
+
+#endif  /* !DEFCONF_PARSER_H */
diff --git a/head/defconf/token.h b/head/defconf/token.h
index e1abd0a..4a69311 100644
--- a/head/defconf/token.h
+++ b/head/defconf/token.h
@@ -16,6 +16,7 @@ typedef enum {
     TT_FALSE,       /* 'false' */
     TT_INTLIT,      /* [0-9]+ */
     TT_IDENT,       /* [ident] */
+    _TT_MAX
 } tt_t;
 
 /*