qmljs: switch to the new category logging

Change-Id: Id4e43779590939e9d6dd2d0dab536f70e721f097
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

17 files changed, 87 insertions, 88 deletions

diff --git a/src/libs/qmljs/qmljsbind.cpp b/src/libs/qmljs/qmljsbind.cpp
index af8b8a74af..cc7bb31bd3 100644
--- a/src/libs/qmljs/qmljsbind.cpp
+++ b/src/libs/qmljs/qmljsbind.cpp
@@ -33,8 +33,6 @@
 #include "qmljsdocument.h"
 #include "qmljsmodelmanagerinterface.h"
 
-#include <QDebug>
-
 using namespace LanguageUtils;
 using namespace QmlJS;
 using namespace QmlJS::AST;
diff --git a/src/libs/qmljs/qmljscheck.cpp b/src/libs/qmljs/qmljscheck.cpp
index 89aa87c829..18eef295ec 100644
--- a/src/libs/qmljs/qmljscheck.cpp
+++ b/src/libs/qmljs/qmljscheck.cpp
@@ -35,7 +35,6 @@
 
 #include <utils/qtcassert.h>
 
-#include <QDebug>
 #include <QDir>
 
 using namespace QmlJS;
diff --git a/src/libs/qmljs/qmljscodeformatter.cpp b/src/libs/qmljs/qmljscodeformatter.cpp
index e10dfc1185..caeb40da6f 100644
--- a/src/libs/qmljs/qmljscodeformatter.cpp
+++ b/src/libs/qmljs/qmljscodeformatter.cpp
@@ -29,12 +29,15 @@
 
 #include "qmljscodeformatter.h"
 
-#include <QDebug>
+#include <utils/logging.h>
+
 #include <QMetaEnum>
 #include <QTextDocument>
 #include <QTextBlock>
 
-using namespace QmlJS;
+namespace QmlJS {
+
+Q_LOGGING_CATEGORY(formatterLog, "qtc.qmljs.formatter")
 
 CodeFormatter::BlockData::BlockData()
     : m_indentDepth(0)
@@ -65,13 +68,13 @@ void CodeFormatter::recalculateStateAfter(const QTextBlock &block)
     m_tokenIndex = 0;
     m_newStates.clear();
 
-    //qDebug() << "Starting to look at " << block.text() << block.blockNumber() + 1;
+    //qCDebug(formatterLog) << "Starting to look at " << block.text() << block.blockNumber() + 1;
 
     for (; m_tokenIndex < m_tokens.size(); ) {
         m_currentToken = tokenAt(m_tokenIndex);
         const int kind = extendedTokenKind(m_currentToken);
 
-        //qDebug() << "Token" << m_currentLine.mid(m_currentToken.begin(), m_currentToken.length) << m_tokenIndex << "in line" << block.blockNumber() + 1;
+        //qCDebug(formatterLog) << "Token" << m_currentLine.mid(m_currentToken.begin(), m_currentToken.length) << m_tokenIndex << "in line" << block.blockNumber() + 1;
         //dump();
 
         if (kind == Comment
@@ -520,7 +523,7 @@ void CodeFormatter::recalculateStateAfter(const QTextBlock &block)
 
 int CodeFormatter::indentFor(const QTextBlock &block)
 {
-//    qDebug() << "indenting for" << block.blockNumber() + 1;
+//    qCDebug(formatterLog) << "indenting for" << block.blockNumber() + 1;
 
     restoreCurrentState(block.previous());
     correctIndentation(block);
@@ -641,7 +644,7 @@ void CodeFormatter::enter(int newState)
     m_currentState.push(s);
     m_newStates.push(s);
 
-    //qDebug() << "enter state" << stateToString(newState);
+    //qCDebug(formatterLog) << "enter state" << stateToString(newState);
 
     if (newState == bracket_open)
         enter(bracket_element_start);
@@ -662,7 +665,7 @@ void CodeFormatter::leave(bool statementDone)
 
     int topState = m_currentState.top().type;
 
-    //qDebug() << "left state" << stateToString(poppedState.type) << ", now in state" << stateToString(topState);
+    //qCDebug(formatterLog) << "left state" << stateToString(poppedState.type) << ", now in state" << stateToString(topState);
 
     // if statement is done, may need to leave recursively
     if (statementDone) {
@@ -1003,12 +1006,12 @@ CodeFormatter::TokenKind CodeFormatter::extendedTokenKind(const QmlJS::Token &to
 
 void CodeFormatter::dump() const
 {
-    qDebug() << "Current token index" << m_tokenIndex;
-    qDebug() << "Current state:";
+    qCDebug(formatterLog) << "Current token index" << m_tokenIndex;
+    qCDebug(formatterLog) << "Current state:";
     foreach (const State &s, m_currentState) {
-        qDebug() << stateToString(s.type) << s.savedIndentDepth;
+        qCDebug(formatterLog) << stateToString(s.type) << s.savedIndentDepth;
     }
-    qDebug() << "Current indent depth:" << m_indentDepth;
+    qCDebug(formatterLog) << "Current indent depth:" << m_indentDepth;
 }
 
 QString CodeFormatter::stateToString(int type) const
@@ -1339,3 +1342,5 @@ void QtStyleCodeFormatter::adjustIndent(const QList<Token> &tokens, int startLex
         break;
     }
 }
+
+} // namespace QmlJS
diff --git a/src/libs/qmljs/qmljscompletioncontextfinder.cpp b/src/libs/qmljs/qmljscompletioncontextfinder.cpp
index 36275b5af6..5d91610474 100644
--- a/src/libs/qmljs/qmljscompletioncontextfinder.cpp
+++ b/src/libs/qmljs/qmljscompletioncontextfinder.cpp
@@ -29,7 +29,6 @@
 
 #include "qmljscompletioncontextfinder.h"
 
-#include <QDebug>
 #include <QTextDocument>
 #include <QStringList>
 
@@ -130,7 +129,7 @@ void CompletionContextFinder::checkBinding()
 {
     YY_SAVE();
 
-    //qDebug() << "Start line:" << *yyLine << m_startTokenIndex;
+    //qCDebug(qmljsLog) << "Start line:" << *yyLine << m_startTokenIndex;
 
     int i = m_startTokenIndex;
     int colonCount = 0;
diff --git a/src/libs/qmljs/qmljsconstants.h b/src/libs/qmljs/qmljsconstants.h
index 45ee629906..cd9a43bc35 100644
--- a/src/libs/qmljs/qmljsconstants.h
+++ b/src/libs/qmljs/qmljsconstants.h
@@ -29,6 +29,9 @@
 
 #ifndef QMLJSCONSTANTS_H
 #define QMLJSCONSTANTS_H
+#include "qmljs_global.h"
+
+#include <utils/logging.h>
 
 namespace QmlJS {
 
@@ -87,5 +90,8 @@ const char TASK_INDEX[] = "QmlJSEditor.TaskIndex";
 const char TASK_IMPORT_SCAN[] = "QmlJSEditor.TaskImportScan";
 
 } // namespace Constants
+
+QMLJS_EXPORT Q_DECLARE_LOGGING_CATEGORY(qmljsLog)
+
 } // namespace QmlJS
 #endif // QMLJSCONSTANTS_H
diff --git a/src/libs/qmljs/qmljsevaluate.cpp b/src/libs/qmljs/qmljsevaluate.cpp
index e699cb42ea..3fc00fa893 100644
--- a/src/libs/qmljs/qmljsevaluate.cpp
+++ b/src/libs/qmljs/qmljsevaluate.cpp
@@ -31,7 +31,6 @@
 #include "qmljscontext.h"
 #include "qmljsscopechain.h"
 #include "parser/qmljsast_p.h"
-#include <QDebug>
 
 using namespace QmlJS;
 
diff --git a/src/libs/qmljs/qmljsfindexportedcpptypes.cpp b/src/libs/qmljs/qmljsfindexportedcpptypes.cpp
index 96370a1434..027833d6ee 100644
--- a/src/libs/qmljs/qmljsfindexportedcpptypes.cpp
+++ b/src/libs/qmljs/qmljsfindexportedcpptypes.cpp
@@ -36,7 +36,6 @@
 #include <cplusplus/cppmodelmanagerbase.h>
 #include <cplusplus/CppDocument.h>
 
-#include <QDebug>
 #include <QList>
 
 //using namespace QmlJS;
diff --git a/src/libs/qmljs/qmljsicons.cpp b/src/libs/qmljs/qmljsicons.cpp
index 20ee30e1d6..611e75d2f2 100644
--- a/src/libs/qmljs/qmljsicons.cpp
+++ b/src/libs/qmljs/qmljsicons.cpp
@@ -28,8 +28,10 @@
 ****************************************************************************/
 
 #include "qmljsicons.h"
+
+#include <utils/logging.h>
+
 #include <QIcon>
-#include <QDebug>
 #include <QDir>
 #include <QHash>
 #include <QPair>
@@ -43,6 +45,8 @@ enum {
 
 namespace QmlJS {
 
+Q_LOGGING_CATEGORY(iconsLog, "qtc.qmljs.icons")
+
 Icons *Icons::m_instance = 0;
 
 class IconsPrivate
@@ -88,22 +92,22 @@ void Icons::setIconFilesPath(const QString &iconPath)
     d->resourcePath = iconPath;
 
     if (debug)
-        qDebug() << "QmlJSIcons -" << "parsing" << iconPath;
+        qCDebug(iconsLog) << "parsing" << iconPath;
     QDir topDir(iconPath);
     foreach (const QFileInfo &subDirInfo, topDir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot)) {
         if (debug)
-            qDebug() << "QmlJSIcons - parsing" << subDirInfo.absoluteFilePath();
+            qCDebug(iconsLog) << "parsing" << subDirInfo.absoluteFilePath();
         const QString packageName = subDirInfo.fileName();
         QDir subDir(subDirInfo.absoluteFilePath() + QLatin1String("/16x16"));
         foreach (const QFileInfo &iconFile, subDir.entryInfoList(QDir::Files)) {
             QIcon icon(iconFile.absoluteFilePath());
             if (icon.isNull()) {
                 if (debug)
-                    qDebug() << "QmlJSIcons - skipping" << iconFile.absoluteFilePath();
+                    qCDebug(iconsLog) << "skipping" << iconFile.absoluteFilePath();
                 continue;
             }
             if (debug)
-                qDebug() << "QmlJSIcons - adding" << packageName << iconFile.baseName() << "icon to database";
+                qCDebug(iconsLog) << "adding" << packageName << iconFile.baseName() << "icon to database";
             QPair<QString,QString> element(packageName, iconFile.baseName());
             d->iconHash.insert(element, icon);
         }
@@ -114,7 +118,7 @@ QIcon Icons::icon(const QString &packageName, const QString typeName) const
 {
     QPair<QString,QString> element(packageName, typeName);
     if (debug)
-        qDebug() << "QmlJSIcons - icon for" << packageName << typeName << "requested" << d->iconHash.contains(element);
+        qCDebug(iconsLog) << "icon for" << packageName << typeName << "requested" << d->iconHash.contains(element);
     return d->iconHash.value(element);
 }
 
diff --git a/src/libs/qmljs/qmljsimportdependencies.cpp b/src/libs/qmljs/qmljsimportdependencies.cpp
index fc61df920c..e4fa8fba97 100644
--- a/src/libs/qmljs/qmljsimportdependencies.cpp
+++ b/src/libs/qmljs/qmljsimportdependencies.cpp
@@ -32,6 +32,7 @@
 #include "qmljsqrcparser.h"
 
 #include <utils/qtcassert.h>
+#include <utils/logging.h>
 
 #include <QCryptographicHash>
 
@@ -39,7 +40,7 @@
 
 namespace QmlJS {
 
-static bool debugImportDependencies = false;
+Q_LOGGING_CATEGORY(importsLog, "qtc.qmljs.imports")
 
 ImportKind::Enum toImportKind(ImportType::Enum type)
 {
@@ -728,18 +729,18 @@ void ImportDependencies::addCoreImport(const CoreImport &import)
     foreach (const Export &e, import.possibleExports)
         m_importCache[e.exportName].append(import.importId);
     m_coreImports.insert(newImport.importId, newImport);
-    if (debugImportDependencies) {
-        QDebug dbg(qDebug());
-        dbg << "added import "<< newImport.importId << " for";
+    if (importsLog().isDebugEnabled()) {
+        QString msg = QString::fromLatin1("added import %1 for").arg(newImport.importId);
         foreach (const Export &e, newImport.possibleExports)
-            dbg << " " << e.exportName.toString() << "(" << e.pathRequired << ")";
+            msg += QString::fromLatin1("\n %1(%2)").arg(e.exportName.toString(), e.pathRequired);
+        qCDebug(importsLog) << msg;
     }
 }
 
 void ImportDependencies::removeCoreImport(const QString &importId)
 {
     if (!m_coreImports.contains(importId)) {
-        qDebug() << "missing importId in removeCoreImport(" << importId << ")";
+        qCWarning(importsLog) << "missing importId in removeCoreImport(" << importId << ")";
         return;
     }
     CoreImport &cImport = m_coreImports[importId];
@@ -754,16 +755,15 @@ void ImportDependencies::removeCoreImport(const QString &importId)
     else
         m_coreImports.remove(importId);
 
-    if (debugImportDependencies)
-        qDebug() << "removed import with id:"<< importId;
+    qCDebug(importsLog) << "removed import with id:"<< importId;
 }
 
 void ImportDependencies::removeImportCacheEntry(const ImportKey &importKey, const QString &importId)
 {
     QStringList &cImp = m_importCache[importKey];
     if (!cImp.removeOne(importId)) {
-        qDebug() << "missing possibleExport backpointer for " << importKey.toString() << " to "
-                 << importId;
+        qCWarning(importsLog) << "missing possibleExport backpointer for " << importKey.toString() << " to "
+                              << importId;
     }
     if (cImp.isEmpty())
         m_importCache.remove(importKey);
@@ -783,35 +783,33 @@ void ImportDependencies::addExport(const QString &importId, const ImportKey &imp
     CoreImport &importValue = m_coreImports[importId];
     importValue.possibleExports.append(Export(importKey, requiredPath, false));
     m_importCache[importKey].append(importId);
-    if (debugImportDependencies)
-        qDebug() << "added export "<< importKey.toString() << " for id " <<importId
-                 << " (" << requiredPath << ")";
+    qCDebug(importsLog) << "added export "<< importKey.toString() << " for id " <<importId
+                        << " (" << requiredPath << ")";
 }
 
 void ImportDependencies::removeExport(const QString &importId, const ImportKey &importKey,
                                       const QString &requiredPath)
 {
     if (!m_coreImports.contains(importId)) {
-        qDebug() << "non existing core import for removeExport(" << importId << ", "
-                 << importKey.toString() << ")";
+        qCWarning(importsLog) << "non existing core import for removeExport(" << importId << ", "
+                              << importKey.toString() << ")";
     } else {
         CoreImport &importValue = m_coreImports[importId];
         if (!importValue.possibleExports.removeOne(Export(importKey, requiredPath, false))) {
-            qDebug() << "non existing export for removeExport(" << importId << ", "
-                     << importKey.toString() << ")";
+            qCWarning(importsLog) << "non existing export for removeExport(" << importId << ", "
+                                  << importKey.toString() << ")";
         }
         if (importValue.possibleExports.isEmpty() && importValue.fingerprint.isEmpty())
             m_coreImports.remove(importId);
     }
     if (!m_importCache.contains(importKey)) {
-        qDebug() << "missing possibleExport for " << importKey.toString() << " when removing export of "
-                 << importId;
+        qCWarning(importsLog) << "missing possibleExport for " << importKey.toString()
+                            << " when removing export of " << importId;
     } else {
         removeImportCacheEntry(importKey, importId);
     }
-    if (debugImportDependencies)
-        qDebug() << "removed export "<< importKey.toString() << " for id " << importId
-                 << " (" << requiredPath << ")";
+    qCDebug(importsLog) << "removed export "<< importKey.toString() << " for id " << importId
+                        << " (" << requiredPath << ")";
 }
 
 void ImportDependencies::iterateOnCoreImports(
@@ -838,8 +836,7 @@ void ImportDependencies::iterateOnLibraryImports(
     iter_t i = m_importCache.lowerBound(firstLib);
     iter_t end = m_importCache.constEnd();
     while (i != end && i.key().type == ImportType::Library) {
-        if (debugImportDependencies)
-            qDebug() << "libloop:" << i.key().toString() << i.value();
+        qCDebug(importsLog) << "libloop:" << i.key().toString() << i.value();
         foreach (const QString &cImportName, i.value()) {
             CoreImport cImport = coreImport(cImportName);
             if (vContext.languageIsCompatible(cImport.language)) {
@@ -847,9 +844,8 @@ void ImportDependencies::iterateOnLibraryImports(
                     if (e.visibleInVContext(vContext) && e.exportName.type == ImportType::Library) {
                         ImportMatchStrength m = e.exportName.matchImport(i.key(), vContext);
                         if (m.hasMatch()) {
-                            if (debugImportDependencies)
-                                qDebug() << "import iterate:" << e.exportName.toString()
-                                         << " (" << e.pathRequired << "), id:" << cImport.importId;
+                            qCDebug(importsLog) << "import iterate:" << e.exportName.toString()
+                                                << " (" << e.pathRequired << "), id:" << cImport.importId;
                             if (!iterF(m, e, cImport))
                                 return;
                         }
@@ -945,16 +941,16 @@ void ImportDependencies::checkConsistency() const
         i.next();
         foreach (const Export &e, i.value().possibleExports) {
             if (!m_importCache.value(e.exportName).contains(i.key())) {
-                qDebug() << e.exportName.toString();
-                qDebug() << i.key();
+                qCWarning(importsLog) << e.exportName.toString();
+                qCWarning(importsLog) << i.key();
 
                 QMapIterator<ImportKey, QStringList> j(m_importCache);
                 while (j.hasNext()) {
                     j.next();
-                    qDebug() << j.key().toString() << j.value();
+                    qCWarning(importsLog) << j.key().toString() << j.value();
                 }
-                qDebug() << m_importCache.contains(e.exportName);
-                qDebug() << m_importCache.value(e.exportName);
+                qCWarning(importsLog) << m_importCache.contains(e.exportName);
+                qCWarning(importsLog) << m_importCache.value(e.exportName);
             }
             Q_ASSERT(m_importCache.value(e.exportName).contains(i.key()));
         }
diff --git a/src/libs/qmljs/qmljsindenter.cpp b/src/libs/qmljs/qmljsindenter.cpp
index 87af800c23..c29c1b00a8 100644
--- a/src/libs/qmljs/qmljsindenter.cpp
+++ b/src/libs/qmljs/qmljsindenter.cpp
@@ -67,7 +67,6 @@
 
 #include <qmljs/qmljsindenter.h>
 
-#include <QDebug>
 #include <QTextBlock>
 
 using namespace QmlJS;
diff --git a/src/libs/qmljs/qmljsinterpreter.cpp b/src/libs/qmljs/qmljsinterpreter.cpp
index 1ab9984436..7bf7b3ed22 100644
--- a/src/libs/qmljs/qmljsinterpreter.cpp
+++ b/src/libs/qmljs/qmljsinterpreter.cpp
@@ -28,6 +28,7 @@
 ****************************************************************************/
 
 #include "parser/qmljsast_p.h"
+#include "qmljsconstants.h"
 #include "qmljscontext.h"
 #include "qmljsevaluate.h"
 #include "qmljsinterpreter.h"
@@ -41,7 +42,6 @@
 #include <utils/qtcassert.h>
 
 #include <QApplication>
-#include <QDebug>
 #include <QDir>
 #include <QFile>
 #include <QString>
@@ -2492,38 +2492,38 @@ public:
 
     virtual bool processProperty(const QString &name, const Value *)
     {
-        qDebug() << "property: " << name;
+        qCDebug(qmljsLog) << "property: " << name;
         return true;
     }
 
     virtual bool processEnumerator(const QString &name, const Value *)
     {
-        qDebug() << "enumerator: " << name;
+        qCDebug(qmljsLog) << "enumerator: " << name;
         return true;
     }
 
     virtual bool processSignal(const QString &name, const Value *)
     {
-        qDebug() << "signal: " << name;
+        qCDebug(qmljsLog) << "signal: " << name;
         return true;
     }
 
     virtual bool processSlot(const QString &name, const Value *)
     {
-        qDebug() << "slot: " << name;
+        qCDebug(qmljsLog) << "slot: " << name;
         return true;
     }
 
     virtual bool processGeneratedSlot(const QString &name, const Value *)
     {
-        qDebug() << "generated slot: " << name;
+        qCDebug(qmljsLog) << "generated slot: " << name;
         return true;
     }
 };
 
 void Imports::dump() const
 {
-    qDebug() << "Imports contents, in search order:";
+    qCDebug(qmljsLog) << "Imports contents, in search order:";
     QListIterator<Import> it(m_imports);
     it.toBack();
     while (it.hasPrevious()) {
@@ -2531,7 +2531,7 @@ void Imports::dump() const
         const ObjectValue *import = i.object;
         const ImportInfo &info = i.info;
 
-        qDebug() << "  " << info.path() << " " << info.version().toString() << " as " << info.as() << " : " << import;
+        qCDebug(qmljsLog) << "  " << info.path() << " " << info.version().toString() << " as " << info.as() << " : " << import;
         MemberDumper dumper;
         import->processMembers(&dumper);
     }
diff --git a/src/libs/qmljs/qmljslineinfo.cpp b/src/libs/qmljs/qmljslineinfo.cpp
index c475cfe596..d9f6b08e3c 100644
--- a/src/libs/qmljs/qmljslineinfo.cpp
+++ b/src/libs/qmljs/qmljslineinfo.cpp
@@ -67,8 +67,6 @@
 
 #include <qmljs/qmljslineinfo.h>
 
-#include <QDebug>
-
 using namespace QmlJS;
 
 /*
diff --git a/src/libs/qmljs/qmljslink.cpp b/src/libs/qmljs/qmljslink.cpp
index 30bcd6bbb0..969bc8c939 100644
--- a/src/libs/qmljs/qmljslink.cpp
+++ b/src/libs/qmljs/qmljslink.cpp
@@ -38,7 +38,6 @@
 #include "qmljsconstants.h"
 
 #include <QDir>
-#include <QDebug>
 
 using namespace LanguageUtils;
 using namespace QmlJS;
diff --git a/src/libs/qmljs/qmljsmodelmanagerinterface.cpp b/src/libs/qmljs/qmljsmodelmanagerinterface.cpp
index 25e92caf65..b31f04cd91 100644
--- a/src/libs/qmljs/qmljsmodelmanagerinterface.cpp
+++ b/src/libs/qmljs/qmljsmodelmanagerinterface.cpp
@@ -39,7 +39,6 @@
 #include <utils/hostosinfo.h>
 #include <utils/runextensions.h>
 
-#include <QDebug>
 #include <QDir>
 #include <QFile>
 #include <QFileInfo>
@@ -55,6 +54,8 @@
 
 namespace QmlJS {
 
+QMLJS_EXPORT Q_LOGGING_CATEGORY(qmljsLog, "qtc.qmljs.common")
+
 /*!
     \class QmlJS::ModelManagerInterface
     \brief The ModelManagerInterface class acts as an interface to the
@@ -184,7 +185,7 @@ void ModelManagerInterface::writeWarning(const QString &msg)
     if (ModelManagerInterface *i = instance())
         i->writeMessageInternal(msg);
     else
-        qDebug() << msg;
+        qCWarning(qmljsLog) << msg;
 }
 
 ModelManagerInterface::WorkingCopy ModelManagerInterface::workingCopy()
@@ -209,7 +210,7 @@ QHash<QString, Language::Enum> ModelManagerInterface::languageForSuffix() const
 
 void ModelManagerInterface::writeMessageInternal(const QString &msg) const
 {
-    qDebug() << msg;
+    qCWarning(qmljsLog) << msg;
 }
 
 ModelManagerInterface::WorkingCopy ModelManagerInterface::workingCopyInternal() const
@@ -222,7 +223,7 @@ void ModelManagerInterface::addTaskInternal(QFuture<void> result, const QString
                                             const char *taskId) const
 {
     Q_UNUSED(result);
-    qDebug() << "started " << taskId << " " << msg;
+    qCDebug(qmljsLog) << "started " << taskId << " " << msg;
 }
 
 void ModelManagerInterface::loadQmlTypeDescriptionsInternal(const QString &resourcePath)
@@ -630,7 +631,7 @@ void ModelManagerInterface::updateDocument(Document::Ptr doc)
 void ModelManagerInterface::updateLibraryInfo(const QString &path, const LibraryInfo &info)
 {
     if (!info.pluginTypeInfoError().isEmpty())
-        qDebug() << "Dumping errors for " << path << ":" << info.pluginTypeInfoError();
+        qCWarning(qmljsLog) << "Dumping errors for " << path << ":" << info.pluginTypeInfoError();
 
     {
         QMutexLocker locker(&m_mutex);
diff --git a/src/libs/qmljs/qmljsqrcparser.cpp b/src/libs/qmljs/qmljsqrcparser.cpp
index 701c62dac3..2b64c52263 100644
--- a/src/libs/qmljs/qmljsqrcparser.cpp
+++ b/src/libs/qmljs/qmljsqrcparser.cpp
@@ -28,6 +28,7 @@
 ****************************************************************************/
 
 #include "qmljsqrcparser.h"
+#include "qmljsconstants.h"
 #include <QFile>
 #include <QDir>
 #include <QFileInfo>
@@ -40,7 +41,6 @@
 #include <QMultiHash>
 #include <QCoreApplication>
 #include <utils/qtcassert.h>
-#include <QDebug>
 
 namespace QmlJS {
 
@@ -456,7 +456,7 @@ QrcParser::Ptr QrcCachePrivate::addPath(const QString &path)
     }
     QrcParser::Ptr newParser = QrcParser::parseQrcFile(path);
     if (!newParser->isValid())
-        qDebug() << "adding invalid qrc " << path << " to the cache:" << newParser->errorMessages();
+        qCWarning(qmljsLog) << "adding invalid qrc " << path << " to the cache:" << newParser->errorMessages();
     {
         QMutexLocker l(&m_mutex);
         QPair<QrcParser::Ptr,int> currentValue = m_cache.value(path, qMakePair(QrcParser::Ptr(0), 0));
diff --git a/src/libs/qmljs/qmljsreformatter.cpp b/src/libs/qmljs/qmljsreformatter.cpp
index a35f1320c0..c14c8a0d88 100644
--- a/src/libs/qmljs/qmljsreformatter.cpp
+++ b/src/libs/qmljs/qmljsreformatter.cpp
@@ -288,7 +288,7 @@ protected:
         result.badnessFromSplits = 0;
         result.lines = QStringList(line);
 
-        //qDebug() << "trying to split" << line << possibleSplits << context;
+        //qCDebug(qmljsLog) << "trying to split" << line << possibleSplits << context;
 
         // try to split at every possible position
         for (int i = possibleSplits.size() - 1; i >= 0; --i) {
diff --git a/src/libs/qmljs/qmljssimplereader.cpp b/src/libs/qmljs/qmljssimplereader.cpp
index 2a12829b56..a47da70ce0 100644
--- a/src/libs/qmljs/qmljssimplereader.cpp
+++ b/src/libs/qmljs/qmljssimplereader.cpp
@@ -33,16 +33,14 @@
 #include "parser/qmljslexer_p.h"
 #include "parser/qmljsengine_p.h"
 
+#include <utils/logging.h>
+
 #include "qmljsutils.h"
 
 #include <QFile>
 
-enum {
-    debug = false
-};
-
-
-using namespace QmlJS;
+namespace QmlJS{
+Q_LOGGING_CATEGORY(simpleReaderLog, "qtc.qmljs.simpleReader")
 
 QVariant SimpleReaderNode::property(const QString &name) const
 {
@@ -304,8 +302,7 @@ SimpleReaderNode::Ptr SimpleReader::readFromSource(const QString &source)
 
 void SimpleReader::elementStart(const QString &name)
 {
-    if (debug)
-        qDebug() << "SimpleReader::elementStart()" << name;
+    qCDebug(simpleReaderLog) << "elementStart()" << name;
 
     SimpleReaderNode::Ptr newNode = SimpleReaderNode::create(name, m_currentNode);
 
@@ -321,8 +318,7 @@ void SimpleReader::elementEnd()
 {
     Q_ASSERT(m_currentNode);
 
-    if (debug)
-        qDebug() << "SimpleReader::elementEnd()" << m_currentNode.data()->name();
+    qCDebug(simpleReaderLog) << "elementEnd()" << m_currentNode.data()->name();
 
     m_currentNode = m_currentNode.data()->parent();
 }
@@ -331,11 +327,12 @@ void SimpleReader::propertyDefinition(const QString &name, const QVariant &value
 {
     Q_ASSERT(m_currentNode);
 
-    if (debug)
-        qDebug() << "SimpleReader::propertyDefinition()" << m_currentNode.data()->name() << name << value;
+    qCDebug(simpleReaderLog) << "propertyDefinition()" << m_currentNode.data()->name() << name << value;
 
     if (m_currentNode.data()->propertyNames().contains(name))
         addError(tr("Property is defined twice."), currentSourceLocation());
 
     m_currentNode.data()->setProperty(name, value);
 }
+
+} // namespace QmlJS