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-rw-r--r--src/corelib/global/qlogging.cpp111
1 files changed, 33 insertions, 78 deletions
diff --git a/src/corelib/global/qlogging.cpp b/src/corelib/global/qlogging.cpp
index ca0fb1bb23..5b4726f67d 100644
--- a/src/corelib/global/qlogging.cpp
+++ b/src/corelib/global/qlogging.cpp
@@ -48,6 +48,8 @@
#include "qmutex.h"
#include "qloggingcategory.h"
#ifndef QT_BOOTSTRAPPED
+#include "qelapsedtimer.h"
+#include "qdatetime.h"
#include "qcoreapplication.h"
#include "qthread.h"
#include "private/qloggingregistry_p.h"
@@ -171,89 +173,15 @@ static inline void convert_to_wchar_t_elided(wchar_t *d, size_t space, const cha
}
#endif
-#if !defined(QT_NO_EXCEPTIONS)
-/*!
- \internal
- Uses a local buffer to output the message. Not locale safe + cuts off
- everything after character 255, but will work in out of memory situations.
- Stop the execution afterwards.
-*/
-static void qEmergencyOut(QtMsgType msgType, const char *msg, va_list ap) Q_DECL_NOEXCEPT
-{
- char emergency_buf[256] = { '\0' };
- emergency_buf[sizeof emergency_buf - 1] = '\0';
-#if defined(Q_OS_WIN) && defined(QT_BUILD_CORE_LIB) && (defined(Q_OS_WINCE) || defined(Q_OS_WINRT)) \
- || defined(Q_CC_MSVC) && defined(QT_DEBUG) && defined(_DEBUG) && defined(_CRT_ERROR)
- wchar_t emergency_bufL[sizeof emergency_buf];
-#endif
-
- if (msg)
- qvsnprintf(emergency_buf, sizeof emergency_buf - 1, msg, ap);
-
-#if defined(Q_OS_WIN) && defined(QT_BUILD_CORE_LIB)
-# if defined(Q_OS_WINCE) || defined(Q_OS_WINRT)
- convert_to_wchar_t_elided(emergency_bufL, sizeof emergency_buf, emergency_buf);
- OutputDebugStringW(emergency_bufL);
-# else
- if (qWinLogToStderr()) {
- fprintf(stderr, "%s\n", emergency_buf);
- fflush(stderr);
- } else {
- OutputDebugStringA(emergency_buf);
- }
-# endif
-#else
- fprintf(stderr, "%s\n", emergency_buf);
- fflush(stderr);
-#endif
-
- if (isFatal(msgType)) {
-#if defined(Q_CC_MSVC) && defined(QT_DEBUG) && defined(_DEBUG) && defined(_CRT_ERROR)
- // get the current report mode
- int reportMode = _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_WNDW);
- _CrtSetReportMode(_CRT_ERROR, reportMode);
-# ifndef Q_OS_WINCE // otherwise already converted to wchar_t above
- convert_to_wchar_t_elided(emergency_bufL, sizeof emergency_buf, emergency_buf);
-# endif
- int ret = _CrtDbgReportW(_CRT_ERROR, _CRT_WIDE(__FILE__), __LINE__,
- _CRT_WIDE(QT_VERSION_STR),
- emergency_bufL);
- if (ret == 1)
- _CrtDbgBreak();
-#endif
-
-#if (defined(Q_OS_UNIX) || defined(Q_CC_MINGW))
- abort(); // trap; generates core dump
-#else
- exit(1); // goodbye cruel world
-#endif
- }
-}
-#endif
-
/*!
\internal
*/
static void qt_message(QtMsgType msgType, const QMessageLogContext &context, const char *msg,
va_list ap, QString &buf)
{
-#if !defined(QT_NO_EXCEPTIONS)
- if (std::uncaught_exception()) {
- qEmergencyOut(msgType, msg, ap);
- return;
- }
-#endif
- if (msg) {
- QT_TRY {
- buf = QString().vsprintf(msg, ap);
- } QT_CATCH(const std::bad_alloc &) {
-#if !defined(QT_NO_EXCEPTIONS)
- qEmergencyOut(msgType, msg, ap);
- // don't rethrow - we use qWarning and friends in destructors.
- return;
-#endif
- }
- }
+
+ if (msg)
+ buf = QString().vsprintf(msg, ap);
qt_message_print(msgType, context, buf);
}
@@ -834,6 +762,7 @@ static const char functionTokenC[] = "%{function}";
static const char pidTokenC[] = "%{pid}";
static const char appnameTokenC[] = "%{appname}";
static const char threadidTokenC[] = "%{threadid}";
+static const char timeTokenC[] = "%{time";
static const char ifCategoryTokenC[] = "%{if-category}";
static const char ifDebugTokenC[] = "%{if-debug}";
static const char ifWarningTokenC[] = "%{if-warning}";
@@ -854,9 +783,14 @@ struct QMessagePattern {
// 0 terminated arrays of literal tokens / literal or placeholder tokens
const char **literals;
const char **tokens;
+ QString timeFormat;
bool fromEnvironment;
static QBasicMutex mutex;
+#ifndef QT_BOOTSTRAPPED
+ QElapsedTimer timer;
+ QDateTime startTime;
+#endif
};
QBasicMutex QMessagePattern::mutex;
@@ -865,7 +799,13 @@ QMessagePattern::QMessagePattern()
: literals(0)
, tokens(0)
, fromEnvironment(false)
+#ifndef QT_BOOTSTRAPPED
+ , startTime(QDateTime::currentDateTime())
+#endif
{
+#ifndef QT_BOOTSTRAPPED
+ timer.start();
+#endif
const QString envPattern = QString::fromLocal8Bit(qgetenv("QT_MESSAGE_PATTERN"));
if (envPattern.isEmpty()) {
setPattern(QLatin1String(defaultPattern));
@@ -953,6 +893,12 @@ void QMessagePattern::setPattern(const QString &pattern)
tokens[i] = appnameTokenC;
else if (lexeme == QLatin1String(threadidTokenC))
tokens[i] = threadidTokenC;
+ else if (lexeme.startsWith(QLatin1String(timeTokenC))) {
+ tokens[i] = timeTokenC;
+ int spaceIdx = lexeme.indexOf(QChar::fromLatin1(' '));
+ if (spaceIdx > 0)
+ timeFormat = lexeme.mid(spaceIdx + 1, lexeme.length() - spaceIdx - 2);
+ }
#define IF_TOKEN(LEVEL) \
else if (lexeme == QLatin1String(LEVEL)) { \
@@ -1122,6 +1068,12 @@ Q_CORE_EXPORT QString qMessageFormatString(QtMsgType type, const QMessageLogCont
} else if (token == threadidTokenC) {
message.append(QLatin1String("0x"));
message.append(QString::number(qlonglong(QThread::currentThread()->currentThread()), 16));
+ } else if (token == timeTokenC) {
+ quint64 ms = pattern->timer.elapsed();
+ if (pattern->timeFormat.isEmpty())
+ message.append(QString().sprintf("%6d.%03d", uint(ms / 1000), uint(ms % 1000)));
+ else
+ message.append(pattern->startTime.addMSecs(ms).toString(pattern->timeFormat));
#endif
} else if (token == ifCategoryTokenC) {
if (!context.category || (strcmp(context.category, "default") == 0))
@@ -1503,6 +1455,9 @@ void qErrnoWarning(int code, const char *msg, ...)
\row \li \c %{pid} \li QCoreApplication::applicationPid()
\row \li \c %{threadid} \li ID of current thread
\row \li \c %{type} \li "debug", "warning", "critical" or "fatal"
+ \row \li \c %{time} \li time of the message, in seconds since the process started
+ \row \li \c %{time format} \li system time when the message occurred, formatted by
+ passing the \c format to \l QDateTime::toString()
\endtable
You can also use conditionals on the type of the message using \c %{if-debug},
@@ -1514,7 +1469,7 @@ void qErrnoWarning(int code, const char *msg, ...)
Example:
\code
- QT_MESSAGE_PATTERN="[%{if-debug}D%{endif}%{if-warning}W%{endif}%{if-critical}C%{endif}%{if-fatal}F%{endif}] %{file}:%{line} - %{message}"
+ QT_MESSAGE_PATTERN="[%{time yyyyMMdd h:mm:ss.zzz t} %{if-debug}D%{endif}%{if-warning}W%{endif}%{if-critical}C%{endif}%{if-fatal}F%{endif}] %{file}:%{line} - %{message}"
\endcode
The default \a pattern is "%{if-category}%{category}: %{endif}%{message}".