debug.cpp

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Author : Jamie Madill
Date : 2016-10-31 12:17:19
Hash : 60e6edfa
Message : Make ASSERT reference the conditional expression. This should prevent further unexpected bot breakage due to unreferenced variables in the ASSERT expression. Also remove the no longer needed variable referencing macro. BUG=angleproject:1586 Change-Id: I127695165bdfe39c51fe8d17e00daf6bf2fa8252 Reviewed-on: https://chromium-review.googlesource.com/404948 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@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 <cstdio>
#include <fstream>
#include <iostream>
#include <vector>

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

namespace gl
{

namespace
{

class FormattedString final : angle::NonCopyable
{
  public:
    FormattedString(const char *format, va_list vararg) : mFormat(format)
    {
        va_copy(mVarArg, vararg);
    }

    const char *c_str() { return str().c_str(); }

    const std::string &str()
    {
        if (!mMessage.valid())
        {
            mMessage = FormatString(mFormat, mVarArg);
        }
        return mMessage.value();
    }

    size_t length()
    {
        c_str();
        return mMessage.value().length();
    }

  private:
    const char *mFormat;
    va_list mVarArg;
    Optional<std::string> mMessage;
};
enum DebugTraceOutputType
{
   DebugTraceOutputTypeNone,
   DebugTraceOutputTypeSetMarker,
   DebugTraceOutputTypeBeginEvent
};

DebugAnnotator *g_debugAnnotator = nullptr;

void output(bool traceInDebugOnly, MessageType messageType, DebugTraceOutputType outputType,
            const char *format, va_list vararg)
{
    if (DebugAnnotationsActive())
    {
        static std::vector<char> buffer(512);
        size_t len = FormatStringIntoVector(format, vararg, buffer);
        std::wstring formattedWideMessage(buffer.begin(), buffer.begin() + len);

        ASSERT(g_debugAnnotator != nullptr);
        switch (outputType)
        {
          case DebugTraceOutputTypeNone:
            break;
          case DebugTraceOutputTypeBeginEvent:
            g_debugAnnotator->beginEvent(formattedWideMessage.c_str());
            break;
          case DebugTraceOutputTypeSetMarker:
            g_debugAnnotator->setMarker(formattedWideMessage.c_str());
            break;
        }
    }

    FormattedString formattedMessage(format, vararg);

    if (messageType == MESSAGE_ERR)
    {
        std::cerr << formattedMessage.c_str();
#if !defined(NDEBUG) && defined(_MSC_VER)
        OutputDebugStringA(formattedMessage.c_str());
#endif  // !defined(NDEBUG) && defined(_MSC_VER)
    }

#if defined(ANGLE_ENABLE_DEBUG_TRACE)
#if defined(NDEBUG)
    if (traceInDebugOnly)
    {
        return;
    }
#endif  // NDEBUG
    static std::ofstream file(TRACE_OUTPUT_FILE, std::ofstream::app);
    if (file)
    {
        file.write(formattedMessage.c_str(), formattedMessage.length());
        file.flush();
    }

#if defined(ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER)
    OutputDebugStringA(formattedMessage.c_str());
#endif  // ANGLE_ENABLE_DEBUG_TRACE_TO_DEBUGGER

#endif  // ANGLE_ENABLE_DEBUG_TRACE
}

} // namespace

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

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

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

void trace(bool traceInDebugOnly, MessageType messageType, const char *format, ...)
{
    va_list vararg;
    va_start(vararg, format);
    output(traceInDebugOnly, messageType, DebugTraceOutputTypeSetMarker, format, vararg);
    va_end(vararg);
}

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);
    output(true, MESSAGE_EVENT, DebugTraceOutputTypeBeginEvent, format, vararg);
    va_end(vararg);
}

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

std::ostream &DummyStream()
{
    return std::cout;
}

}  // namespace gl

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

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