Error recovery

parser/src/grammar.pest

@@ -52,6 +52,14 @@ visibility = { "pub" ~ ("(" ~ static_path ~ ")")? }
 mutable    = { "mut" }
 var        = { "var" }
 
+// ======================================================
+// ERROR RECOVERY
+// ======================================================
+
+unexpected_statement = {
+    (!(semicolon | "}" | statement) ~ ANY)+
+}
+
 // ======================================================
 // GENERICS
 // ======================================================
@@ -303,7 +311,7 @@ block = {
 }
 
 statement_list = {
-    statement*
+    (statement | unexpected_statement)*
 }
 
 statement = _{

parser/src/lib.rs

@@ -491,6 +491,12 @@ impl From<pest::iterators::Pair<'_, Rule>> for Statement {
                     .collect(),
             ),
 
+            Rule::unexpected_statement => {
+                let pos = pair.as_span().start_pos().line_col();
+
+                panic!("({}:{}) Invalid Statement: {}", pos.0, pos.1, pair.as_str())
+            }
+
             _ => unimplemented!("{rule:#?}"),
         }
     }