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-rw-r--r--src/lexer.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lexer.h b/src/lexer.h
index 46912dc..c544a15 100644
--- a/src/lexer.h
+++ b/src/lexer.h
@@ -115,6 +115,9 @@ void
lexer_peek_next_token(lexer_t *lexer, token_t *token);
void
+lexer_step_back_to(lexer_t *lexer, token_t *token);
+
+void
lexer_lookahead(lexer_t *lexer, token_t *token, size_t level);
char *