From: Alexander Borisov <alexander.borisov@nginx.com>
Date: Wed, 1 Sep 2021 18:25:10 +0000 (+0300)
Subject: Fixed order of code execution after await in try block.
X-Git-Tag: 0.7.0~27
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/%7B@url%7D?a=commitdiff_plain;h=505d14ddcfad1d9b3817989af624347115da9e69;p=njs.git

Fixed order of code execution after await in try block.

The bug was introduced in 92d10cd761e2.
---

diff --git a/src/njs_async.c b/src/njs_async.c
index 4d9b8104..3c8c95db 100644
--- a/src/njs_async.c
+++ b/src/njs_async.c
@@ -90,7 +90,7 @@ njs_await_fulfilled(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
 
     vm->top_frame->retval = &vm->retval;
 
-    ret = njs_vmcode_interpreter(vm, async->pc);
+    ret = njs_vmcode_interpreter(vm, ctx->pc);
 
     vm->levels[NJS_LEVEL_LOCAL] = cur_local;
     vm->levels[NJS_LEVEL_CLOSURE] = cur_closures;
@@ -148,6 +148,8 @@ njs_await_rejected(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
         return NJS_ERROR;
     }
 
+    ctx->pc = ctx->await->pc;
+
     return njs_await_fulfilled(vm, args, nargs, unused);
 }
 
diff --git a/test/js/async_await_try_resolve.js b/test/js/async_await_try_resolve.js
new file mode 100644
index 00000000..b041de15
--- /dev/null
+++ b/test/js/async_await_try_resolve.js
@@ -0,0 +1,15 @@
+async function af() {
+    let key;
+
+    try {
+        key = await Promise.resolve("key");
+        key += ": resolve";
+
+    } catch (e) {
+        key += ": exception";
+    }
+
+    return key;
+};
+
+af().then(v => console.log(v));
diff --git a/test/njs_expect_test.exp b/test/njs_expect_test.exp
index d505098a..1eb491ee 100644
--- a/test/njs_expect_test.exp
+++ b/test/njs_expect_test.exp
@@ -1171,3 +1171,5 @@ njs_run {"./test/js/async_await_try_throw_catch.js"} \
 finally
 end"
 
+njs_run {"./test/js/async_await_try_resolve.js"} \
+"key: resolve"