1 files changed, 24 insertions, 0 deletions
diff --git a/src/ast.c b/src/ast.c
index 5c94d68..b2efc42 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -30,21 +30,31 @@ ast_node_accept_visitor(ast_node_t *node, ast_visitor_t *visitor)
 static void
 ast_node_function_accept_visitor(ast_node_t *node, ast_visitor_t *visitor)
 {
+  assert(visitor->visit_function && "unimplemented visit_function");
   visitor->visit_function(visitor, &node->data.function);
 }
 
 static void
 ast_node_return_stmt_accept_visitor(ast_node_t *node, ast_visitor_t *visitor)
 {
+  assert(visitor->visit_return_stmt && "unimplemented visit_return_stmt");
   visitor->visit_return_stmt(visitor, &node->data.return_stmt);
 }
 
 static void
 ast_node_literal_visitor(ast_node_t *node, ast_visitor_t *visitor)
 {
+  assert(visitor->visit_literal && "unimplemented visit_literal");
   visitor->visit_literal(visitor, &node->data.literal);
 }
 
+static void
+ast_node_binary_operation_visitor(ast_node_t *node, ast_visitor_t *visitor)
+{
+  assert(visitor->visit_binary_operation && "unimplemented visit_binary_operation");
+  visitor->visit_binary_operation(visitor, &node->data.binary_operation);
+}
+
 ast_node_t*
 ast_node_new()
 {
@@ -120,3 +130,17 @@ ast_literal_integer_create(ast_node_t *node, uint32_t number)
     }
   };
 }
+
+void
+ast_node_init_binary_operation(ast_node_t *node, string_view_t op, ast_node_t *left, ast_node_t *right)
+{
+  node->accept_visitor = &ast_node_binary_operation_visitor;
+  node->kind = AST_BINARY_OPERATION;
+  node->data = (ast_node_data_t) {
+      .binary_operation = {
+        .op = op,
+        .left = left,
+        .right = right
+      }
+  };
+}