rebel-parse: allow expression and empty statements

2 files changed, 10 insertions, 4 deletions

diff --git a/crates/rebel-parse/src/ast.rs b/crates/rebel-parse/src/ast.rs
index 16df2ad..90c02f5 100644
--- a/crates/rebel-parse/src/ast.rs
+++ b/crates/rebel-parse/src/ast.rs
@@ -21,6 +21,8 @@ pub type Body<'a> = Vec<BodyStmt<'a>>;
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum BodyStmt<'a> {
 	Assign { dest: TypedExpr<'a>, expr: Expr<'a> },
+	Expr { expr: Expr<'a> },
+	Empty,
 }
 
 impl<'a> BodyStmt<'a> {
diff --git a/crates/rebel-parse/src/grammar/recipe.rs b/crates/rebel-parse/src/grammar/recipe.rs
index 6c52367..71c2733 100644
--- a/crates/rebel-parse/src/grammar/recipe.rs
+++ b/crates/rebel-parse/src/grammar/recipe.rs
@@ -19,17 +19,21 @@ peg::parser! {
 			  p('{') body:body() p('}') {
 				ast::RecipeStmt::Task { name, params, body }
 			}
-			/ stmt:body_stmt() {
+			/ stmt:body_stmt() p(';') {
 				ast::RecipeStmt::BodyStmt(stmt)
 			}
 
 		pub rule body() -> ast::Body<'a>
-			= body:body_stmt()* { body }
+			= body:body_stmt() ++ p(';') { body }
 
 		pub rule body_stmt() -> ast::BodyStmt<'a>
-			= left:typed_expr() op:assign_op() right:expr() p(';') {
-				ast::BodyStmt::assign(left, op, right)
+			= dest:typed_expr() op:assign_op() expr:expr() {
+				ast::BodyStmt::assign(dest, op, expr)
 			}
+			/ expr:expr() {
+				ast::BodyStmt::Expr { expr }
+			}
+			/ { ast::BodyStmt::Empty }
 
 		rule assign_op() -> Option<ast::OpBinary>
 			= p2('+', '=') { Some(Add) }