update fuel to avoid ambiguity

vuvoth · Oct 12, 2024 · 27d7580 · 27d7580
1 parent a533850
commit 27d7580
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/crates/parser/src/parser.rs b/crates/parser/src/parser.rs
@@ -126,11 +126,15 @@ impl<'a> Parser<'a> {
     }
 
     pub fn next(&mut self) -> TokenKind {
+        if self.fuel.get() == 0 { 
+            panic!("parser is stuck");
+        }
+        self.fuel.set(self.fuel.get() - 1);
         if self.pos < self.input.size() {
             self.pos += 1;
             return self.input.kind_of(self.pos);
         }
-
+        
         TokenKind::EOF
     }