Fix combinatorial explosion on backtracking broken if chains

Signed-off-by: Marcel Müller <neikos@neikos.email>

src/ast/mod.rs

@@ -346,7 +346,7 @@ fn parse_conditional_chain<'input>(
         chain.push(if_block);
 
         let content = resume_after_cut(
-            inner_conditional_chain,
+            cut_err(inner_conditional_chain),
             repeat_till(0.., any, parse_end).map(|((), _)| ()),
         )
         .parse_next(input)?;
@@ -387,7 +387,7 @@ fn inner_conditional_chain<'input>(
         };
 
         if !is_end && needs_end {
-            return Err(AstError::from_input(input).cut());
+            return Err(AstError::from_input(input));
         }
 
         if let TemplateAstExpr::Block { expression, .. } = &end_block

tests/file_tests.rs

@@ -31,7 +31,13 @@ fn check_cases() {
 
         insta::assert_debug_snapshot!("1-parsed", parsed);
 
-        let ast = nomo::ast::parse(parsed.tokens()).unwrap();
+        let ast = match nomo::ast::parse(parsed.tokens()) {
+            Ok(ast) => ast,
+            Err(err) => {
+                eprintln!("{}", err.to_report(input));
+                panic!("Could not evaluate ast");
+            }
+        };
 
         insta::assert_debug_snapshot!("2-ast", ast);