blob: c9e90906dc53458f16fde225f8a8f694b99338fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_RENDERER_BINDINGS_EXCEPTION_HANDLER
#define EXTENSIONS_RENDERER_BINDINGS_EXCEPTION_HANDLER
#include <string>
#include "base/macros.h"
#include "base/optional.h"
#include "extensions/renderer/bindings/api_binding_types.h"
#include "v8/include/v8.h"
namespace extensions {
// A class to handle uncaught exceptions encountered in the bindings system
// while running untrusted code, such as exceptions thrown during callback
// execution or event handling.
class ExceptionHandler {
public:
ExceptionHandler(const binding::AddConsoleError& add_console_error);
~ExceptionHandler();
// Handles an exception in the given |context|. |message| is a message to
// prefix the error message with, e.g. "Exception in response to foo".
// The |try_catch| is the TryCatch that caught the exception.
void HandleException(v8::Local<v8::Context> context,
const std::string& message,
v8::TryCatch* try_catch);
// Same as above, but accepts a v8::Value for the exception rather than
// retrieving it from a TryCatch.
void HandleException(v8::Local<v8::Context> context,
const std::string& full_message,
v8::Local<v8::Value> exception_value);
// Sets a custom handler for the given context, which will be notified of
// exceptions thrown. This is only allowed to be called while the context is
// valid.
void SetHandlerForContext(v8::Local<v8::Context> context,
v8::Local<v8::Function> handler);
private:
// Returns the custom handler for the given |context|, or an empty handle if
// no custom handle exists.
v8::Local<v8::Function> GetCustomHandler(v8::Local<v8::Context> context);
binding::AddConsoleError add_console_error_;
DISALLOW_COPY_AND_ASSIGN(ExceptionHandler);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_BINDINGS_EXCEPTION_HANDLER
|
