From c60496a297a0d4c53ad0e22850ad62b0b4a2d841 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Mon, 26 Feb 2018 00:04:11 -0500
Subject: parse await and suspend syntax

See #727
---
 src/ast_render.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/ast_render.cpp')

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:
-- 
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