feat: parse return, break and continue statements

Author: LynithDev

packages/engine/src/parser/mod.rs

@@ -105,6 +105,9 @@ impl<'a> Parser<'a> {
             Match => self.stmt_match()?,
             For => self.stmt_for()?,
             While => self.stmt_while()?,
+            Return => self.stmt_return()?,
+            Break => Some(Statement::Break),
+            Continue => Some(Statement::Continue),
             EOF | EOL => return Ok(None),
 
             _ => {
@@ -242,6 +245,15 @@ impl<'a> Parser<'a> {
         Ok(Some(Statement::While(Box::from((condition, block)))))
     }
 
+    // MARK: Return
+    fn stmt_return(&mut self) -> ParserResult<Option<Statement>> {
+        self.expect_token(&LexerTokenKind::Return)?;
+
+        let value = self.expression()?;
+
+        Ok(Some(Statement::Return(Box::from(value))))
+    }
+
     fn expression(&mut self) -> ParserResult<Option<WithCursor<Expression>>> {
         self.expr_assignment()
     }

script.tsh

@@ -1,5 +1,5 @@
 for i in 0..5 {
     while true {
-        aaa
+        return true
     }
 }