debug.cpp

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Author : Yuly Novikov
Date : 2018-01-25 20:19:27
Hash : 6807f826
Message : Print more logs when using default Platform Some logs prior to Test Platform initialization were getting lost. 1. Also print WARN() to stdout 2. Use Android specific logging facilities BUG=angleproject:1660 Change-Id: I8424958426809567396ef24cedc2d427a3a21959 Reviewed-on: https://chromium-review.googlesource.com/887944 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

src/common/debug.cpp

//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// debug.cpp: Debugging utilities.

#include "common/debug.h"

#include <stdarg.h>

#include <array>
#include <cstdio>
#include <fstream>
#include <ostream>
#include <vector>

#if defined(ANGLE_PLATFORM_ANDROID)
#include <android/log.h>
#endif

#include "common/angleutils.h"
#include "common/Optional.h"

namespace gl
{

namespace
{

DebugAnnotator *g_debugAnnotator = nullptr;

constexpr std::array<const char *, LOG_NUM_SEVERITIES> g_logSeverityNames = {
    {"EVENT", "WARN", "ERR"}};

constexpr const char *LogSeverityName(int severity)
{
    return (severity >= 0 && severity < LOG_NUM_SEVERITIES) ? g_logSeverityNames[severity]
                                                            : "UNKNOWN";
}

bool ShouldCreateLogMessage(LogSeverity severity)
{
#if defined(ANGLE_TRACE_ENABLED)
    return true;
#elif defined(ANGLE_ENABLE_ASSERTS)
    return severity == LOG_ERR;
#else
    return false;
#endif
}

}  // namespace

namespace priv
{

bool ShouldCreatePlatformLogMessage(LogSeverity severity)
{
#if defined(ANGLE_TRACE_ENABLED)
    return true;
#else
    return severity != LOG_EVENT;
#endif
}

}  // namespace priv

bool DebugAnnotationsActive()
{
#if defined(ANGLE_ENABLE_DEBUG_ANNOTATIONS)
    return g_debugAnnotator != nullptr && g_debugAnnotator->getStatus();
#else
    return false;
#endif
}

bool DebugAnnotationsInitialized()
{
    return g_debugAnnotator != nullptr;
}

void InitializeDebugAnnotations(DebugAnnotator *debugAnnotator)
{
    UninitializeDebugAnnotations();
    g_debugAnnotator = debugAnnotator;
}

void UninitializeDebugAnnotations()
{
    // Pointer is not managed.
    g_debugAnnotator = nullptr;
}

ScopedPerfEventHelper::ScopedPerfEventHelper(const char *format, ...)
{
#if !defined(ANGLE_ENABLE_DEBUG_TRACE)
    if (!DebugAnnotationsActive())
    {
        return;
    }
#endif  // !ANGLE_ENABLE_DEBUG_TRACE

    va_list vararg;
    va_start(vararg, format);
    std::vector<char> buffer(512);
    size_t len = FormatStringIntoVector(format, vararg, buffer);
    ANGLE_LOG(EVENT) << std::string(&buffer[0], len);
    va_end(vararg);
}

ScopedPerfEventHelper::~ScopedPerfEventHelper()
{
    if (DebugAnnotationsActive())
    {
        g_debugAnnotator->endEvent();
    }
}

LogMessage::LogMessage(const char *function, int line, LogSeverity severity)
    : mFunction(function), mLine(line), mSeverity(severity)
{
    // EVENT() does not require additional function(line) info.
    if (mSeverity != LOG_EVENT)
    {
        mStream << mFunction << "(" << mLine << "): ";
    }
}

LogMessage::~LogMessage()
{
    if (DebugAnnotationsInitialized() && (mSeverity == LOG_ERR || mSeverity == LOG_WARN))
    {
        g_debugAnnotator->logMessage(*this);
    }
    else
    {
        Trace(getSeverity(), getMessage().c_str());
    }
}

void Trace(LogSeverity severity, const char *message)
{
    if (!ShouldCreateLogMessage(severity))
    {
        return;
    }

    std::string str(message);

    if (DebugAnnotationsActive())
    {
        std::wstring formattedWideMessage(str.begin(), str.end());

        switch (severity)
        {
            case LOG_EVENT:
                g_debugAnnotator->beginEvent(formattedWideMessage.c_str());
                break;
            default:
                g_debugAnnotator->setMarker(formattedWideMessage.c_str());
                break;
        }
    }

    if (severity == LOG_ERR || severity == LOG_WARN)
    {
#if defined(ANGLE_PLATFORM_ANDROID)
        __android_log_print((severity == LOG_ERR) ? ANDROID_LOG_ERROR : ANDROID_LOG_WARN, "ANGLE",
                            "%s: %s\n", LogSeverityName(severity), str.c_str());
#else
        // Note: we use fprintf because <iostream> includes static initializers.
        fprintf((severity == LOG_ERR) ? stderr : stdout, "%s: %s\n", LogSeverityName(severity),
                str.c_str());
#endif
    }

#if defined(ANGLE_PLATFORM_WINDOWS) && \
    (defined(ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER) || !defined(NDEBUG))
#if !defined(ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER)
    if (severity == LOG_ERR)
#endif  // !defined(ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER)
    {
        OutputDebugStringA(str.c_str());
    }
#endif

#if defined(ANGLE_ENABLE_DEBUG_TRACE)
#if defined(NDEBUG)
    if (severity == LOG_EVENT || severity == LOG_WARN)
    {
        return;
    }
#endif  // defined(NDEBUG)
    static std::ofstream file(TRACE_OUTPUT_FILE, std::ofstream::app);
    if (file)
    {
        file << LogSeverityName(severity) << ": " << str << std::endl;
        file.flush();
    }
#endif  // defined(ANGLE_ENABLE_DEBUG_TRACE)
}

LogSeverity LogMessage::getSeverity() const
{
    return mSeverity;
}

std::string LogMessage::getMessage() const
{
    return mStream.str();
}

#if defined(ANGLE_PLATFORM_WINDOWS)
std::ostream &operator<<(std::ostream &os, const FmtHR &fmt)
{
    os << "HRESULT: ";
    return FmtHexInt(os, fmt.mHR);
}

std::ostream &operator<<(std::ostream &os, const FmtErr &fmt)
{
    os << "error: ";
    return FmtHexInt(os, fmt.mErr);
}

#endif  // defined(ANGLE_PLATFORM_WINDOWS)

}  // namespace gl

kc3-lang/angle/src/common/debug.cpp

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kc3-lang/angle /src/common/debug.cpp