CodeModel(s): Unify name/values of accessed environment variables

Format: QTC_*=(1|0).

Now it's easier to change them in the Run Configuration of Qt Creator.

Change-Id: Ifc45cecb89b33a31942b4c3e2d03851a1d72d0bf
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/clangcodemodel/clangcompletion.cpp

@@ -60,7 +60,7 @@
 #include <QTextCursor>
 #include <QTextDocument>
 
-static const bool DebugTiming = !qgetenv("QTC_CLANG_VERBOSE").isEmpty();
+static const bool DebugTiming = qgetenv("QTC_CLANG_VERBOSE") == "1";
 
 using namespace ClangCodeModel;
 using namespace ClangCodeModel::Internal;

src/plugins/clangcodemodel/clangutils.cpp

@@ -45,7 +45,7 @@ using namespace ClangCodeModel::Internal;
 using namespace Core;
 using namespace CppTools;
 
-static const bool BeVerbose = !qgetenv("QTC_CLANG_VERBOSE").isEmpty();
+static const bool BeVerbose = qgetenv("QTC_CLANG_VERBOSE") == "1";
 
 namespace ClangCodeModel {
 namespace Utils {

src/plugins/clangcodemodel/cppcreatemarkers.cpp

@@ -41,7 +41,7 @@
 
 #include <QDebug>
 
-static const bool DebugTiming = !qgetenv("QTC_CLANG_VERBOSE").isEmpty();
+static const bool DebugTiming = qgetenv("QTC_CLANG_VERBOSE") == "1";
 
 using namespace ClangCodeModel;
 using namespace ClangCodeModel::Internal;

src/plugins/clangcodemodel/unit.cpp

@@ -47,7 +47,7 @@ static QBasicAtomicInt unitDataCount = Q_BASIC_ATOMIC_INITIALIZER(0);
 using namespace ClangCodeModel;
 using namespace ClangCodeModel::Internal;
 
-static const int DisplayDiagnostics = qgetenv("QTC_CLANG_VERBOSE").isEmpty() ? 0 : 1;
+static const int DisplayDiagnostics = (qgetenv("QTC_CLANG_VERBOSE") == "1") ? 1 : 0;
 
 Unit::Unit()
     : m_index(0)

src/plugins/cpptools/builtinindexingsupport.cpp

@@ -16,6 +16,8 @@
 using namespace CppTools;
 using namespace CppTools::Internal;
 
+static const bool DumpFileNameWhileParsing = qgetenv("QTC_DUMP_FILENAME_WHILE_PARSING") == "1";
+
 namespace {
 
 static void parse(QFutureInterface<void> &future,
@@ -171,7 +173,7 @@ BuiltinIndexingSupport::BuiltinIndexingSupport()
     : m_revision(0)
 {
     m_synchronizer.setCancelOnWait(true);
-    m_dumpFileNameWhileParsing = !qgetenv("QTCREATOR_DUMP_FILENAME_WHILE_PARSING").isNull();
+    m_dumpFileNameWhileParsing = DumpFileNameWhileParsing;
 }
 
 BuiltinIndexingSupport::~BuiltinIndexingSupport()

src/plugins/cpptools/cppmodelmanager.cpp

@@ -60,6 +60,8 @@
 #include <sstream>
 #endif
 
+static const bool DumpProjectInfo = qgetenv("QTC_DUMP_PROJECT_INFO") == "1";
+
 namespace CppTools {
 
 uint qHash(const ProjectPart &p)
@@ -245,7 +247,7 @@ CppModelManager::CppModelManager(QObject *parent)
             this, SIGNAL(globalSnapshotChanged()));
 
     m_findReferences = new CppFindReferences(this);
-    m_indexerEnabled = qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull();
+    m_indexerEnabled = qgetenv("QTC_NO_CODE_INDEXER") != "1";
 
     m_dirty = true;
 
@@ -782,7 +784,7 @@ QFuture<void> CppModelManager::updateProjectInfo(const ProjectInfo &newProjectIn
     } // Mutex scope
 
     // If requested, dump everything we got
-    if (!qgetenv("QTCREATOR_DUMP_PROJECT_INFO").isEmpty())
+    if (DumpProjectInfo)
         dumpModelManagerConfiguration();
 
     // Remove files from snapshot that are not reachable any more