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
56
57
58
59
60
61
62
63
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=99: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "xpcprivate.h"
#include "jsprf.h"
#include "nsThreadUtils.h"
#include "nsContentUtils.h"
#include "mozilla/Sprintf.h"
#ifdef XP_WIN
#include <windows.h>
#endif
static void DebugDump(const char* fmt, ...)
{
char buffer[2048];
va_list ap;
va_start(ap, fmt);
#ifdef XPWIN
_vsnprintf(buffer, sizeof(buffer), fmt, ap);
buffer[sizeof(buffer)-1] = '\0';
#else
VsprintfLiteral(buffer, fmt, ap);
#endif
va_end(ap);
#ifdef XP_WIN
if (IsDebuggerPresent()) {
OutputDebugStringA(buffer);
}
#endif
printf("%s", buffer);
}
bool
xpc_DumpJSStack(bool showArgs, bool showLocals, bool showThisProps)
{
JSContext* cx = nsContentUtils::GetCurrentJSContextForThread();
if (!cx) {
printf("there is no JSContext on the stack!\n");
} else if (char* buf = xpc_PrintJSStack(cx, showArgs, showLocals, showThisProps)) {
DebugDump("%s\n", buf);
JS_smprintf_free(buf);
}
return true;
}
char*
xpc_PrintJSStack(JSContext* cx, bool showArgs, bool showLocals,
bool showThisProps)
{
JS::AutoSaveExceptionState state(cx);
char* buf = JS::FormatStackDump(cx, nullptr, showArgs, showLocals, showThisProps);
if (!buf)
DebugDump("%s", "Failed to format JavaScript stack for dump\n");
state.restore();
return buf;
}
|
