diff --git a/src/parser.rs b/src/parser.rs
index a9823d4..8eb7f5b 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -20,6 +20,11 @@ impl Parser {
         Parser { keyword, end_filter, callback }
     }
 
+    pub fn parse(&self, path: &str) {
+        string_parser_with_file(path, &self.get_keyword(), self.get_end_filter(), self.get_callback())
+            .unwrap_or_else(|e| panic!("Failed to open file: {}, error: {}", path, e))
+    }
+
     fn get_keyword(&self) -> String {
         self.keyword.clone()
     }
@@ -31,8 +36,4 @@ impl Parser {
     fn get_callback(&self) -> &dyn Fn(String, usize, &str) {
         &self.callback
     }
-
-    pub fn parse(&self, path: &str) {
-        string_parser_with_file(path, &self.get_keyword(), self.get_end_filter(), self.get_callback()).expect("failed to open file");
-    }
 }
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