Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(734)

Unified Diff: src/builtins/builtins-error.cc

Issue 2169563003: Revert of Remove stack overflow boilerplate (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « no previous file | src/contexts.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/builtins/builtins-error.cc
diff --git a/src/builtins/builtins-error.cc b/src/builtins/builtins-error.cc
index 0311f8c6827feb591e15aad3ca14f03ef393739f..458d15c0a03d6b31d13b9f860ec2a0f4f40e692a 100644
--- a/src/builtins/builtins-error.cc
+++ b/src/builtins/builtins-error.cc
@@ -7,7 +7,6 @@
#include "src/accessors.h"
#include "src/bootstrapper.h"
-#include "src/messages.h"
#include "src/property-descriptor.h"
#include "src/string-builder.h"
@@ -17,11 +16,53 @@
// ES6 section 19.5.1.1 Error ( message )
BUILTIN(ErrorConstructor) {
HandleScope scope(isolate);
- RETURN_RESULT_OR_FAILURE(
- isolate,
- ConstructError(isolate, args.target<JSFunction>(),
- Handle<Object>::cast(args.new_target()),
- args.atOrUndefined(isolate, 1), SKIP_FIRST, false));
+
+ // 1. If NewTarget is undefined, let newTarget be the active function object,
+ // else let newTarget be NewTarget.
+
+ Handle<JSFunction> target = args.target<JSFunction>();
+ Handle<JSReceiver> new_target;
+ if (args.new_target()->IsJSReceiver()) {
+ new_target = Handle<JSReceiver>::cast(args.new_target());
+ } else {
+ new_target = target;
+ }
+
+ // 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%ErrorPrototype%",
+ // « [[ErrorData]] »).
+ Handle<JSObject> err;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, err,
+ JSObject::New(target, new_target));
+
+ // 3. If message is not undefined, then
+ // a. Let msg be ? ToString(message).
+ // b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]:
+ // true, [[Enumerable]]: false, [[Configurable]]: true}.
+ // c. Perform ! DefinePropertyOrThrow(O, "message", msgDesc).
+ // 4. Return O.
+
+ Handle<Object> msg = args.atOrUndefined(isolate, 1);
+ if (!msg->IsUndefined(isolate)) {
+ Handle<String> msg_string;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, msg_string,
+ Object::ToString(isolate, msg));
+ RETURN_FAILURE_ON_EXCEPTION(
+ isolate,
+ JSObject::SetOwnPropertyIgnoreAttributes(
+ err, isolate->factory()->message_string(), msg_string, DONT_ENUM));
+ }
+
+ // Capture the stack trace unless we're setting up.
+ if (!isolate->bootstrapper()->IsActive()) {
+ // Optionally capture a more detailed stack trace for the message.
+ RETURN_FAILURE_ON_EXCEPTION(isolate,
+ isolate->CaptureAndSetDetailedStackTrace(err));
+ // Capture a simple stack trace for the stack property.
+ RETURN_FAILURE_ON_EXCEPTION(isolate,
+ isolate->CaptureAndSetSimpleStackTrace(err));
+ }
+
+ return *err;
}
// static
@@ -34,7 +75,6 @@
}
Handle<JSObject> object = Handle<JSObject>::cast(object_obj);
Handle<Object> caller = args.atOrUndefined(isolate, 2);
- FrameSkipMode mode = caller->IsJSFunction() ? SKIP_UNTIL_SEEN : SKIP_NONE;
// TODO(jgruber): Eagerly format the stack trace and remove accessors.h
// include.
@@ -96,7 +136,7 @@
RETURN_FAILURE_ON_EXCEPTION(isolate,
isolate->CaptureAndSetDetailedStackTrace(object));
RETURN_FAILURE_ON_EXCEPTION(
- isolate, isolate->CaptureAndSetSimpleStackTrace(object, mode, caller));
+ isolate, isolate->CaptureAndSetSimpleStackTrace(object, caller));
return *isolate->factory()->undefined_value();
}
« no previous file with comments | « no previous file | src/contexts.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698