parse await and suspend syntax

See #727

1 files changed, 21 insertions, 0 deletions

diff --git a/src/ast_render.cpp b/src/ast_render.cpp
index eec4b996a0..5f3e1998fd 100644
--- a/src/ast_render.cpp
+++ b/src/ast_render.cpp
@@ -246,6 +246,10 @@ static const char *node_type_str(NodeType node_type) {
             return "ErrorSetDecl";
         case NodeTypeCancel:
             return "Cancel";
+        case NodeTypeAwaitExpr:
+            return "AwaitExpr";
+        case NodeTypeSuspend:
+            return "Suspend";
     }
     zig_unreachable();
 }
@@ -1045,6 +1049,23 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
                 render_node_grouped(ar, node->data.cancel_expr.expr);
                 break;
             }
+        case NodeTypeAwaitExpr:
+            {
+                fprintf(ar->f, "await ");
+                render_node_grouped(ar, node->data.await_expr.expr);
+                break;
+            }
+        case NodeTypeSuspend:
+            {
+                fprintf(ar->f, "suspend");
+                if (node->data.suspend.block != nullptr) {
+                    fprintf(ar->f, " |");
+                    render_node_grouped(ar, node->data.suspend.promise_symbol);
+                    fprintf(ar->f, "| ");
+                    render_node_grouped(ar, node->data.suspend.block);
+                }
+                break;
+            }
         case NodeTypeFnDecl:
         case NodeTypeParamDecl:
         case NodeTypeTestDecl: