Valgrind: Use QMetaEnum for parsing enum values

Change-Id: I43685e3fde662a57b6966d5f5f29d4138158b4d8
Reviewed-by: hjk <hjk@qt.io>

src/plugins/valgrind/valgrindmemcheckparsertest.cpp

@@ -28,7 +28,7 @@ QT_BEGIN_NAMESPACE
 namespace QTest {
 
 template<>
-inline bool qCompare(int const &t1, MemcheckErrorKind const &t2,
+inline bool qCompare(int const &t1, MemcheckError const &t2,
                      char const *actual, char const *expected, char const *file, int line)
 {
     return qCompare(t1, int(t2), actual, expected, file, line);

src/plugins/valgrind/valgrindsettings.cpp

@@ -22,6 +22,7 @@
 
 #include <QDebug>
 #include <QListView>
+#include <QMetaEnum>
 #include <QPushButton>
 #include <QSettings>
 #include <QStandardItemModel>
@@ -325,8 +326,9 @@ ValgrindSettings::ValgrindSettings(bool global)
 
     visibleErrorKinds.setSettingsKey(base + "VisibleErrorKinds");
     QList<int> defaultErrorKinds;
-    for (int i = 0; i < Valgrind::XmlProtocol::MemcheckErrorKindCount; ++i)
-        defaultErrorKinds << i;
+    const QMetaEnum memcheckErrorEnum = QMetaEnum::fromType<XmlProtocol::MemcheckError>();
+    for (int i = 0; i < memcheckErrorEnum.keyCount(); ++i)
+        defaultErrorKinds << memcheckErrorEnum.value(i);
     visibleErrorKinds.setDefaultValue(defaultErrorKinds);
 
     detectCycles.setSettingsKey(base + "Callgrind.CycleDetection");

src/plugins/valgrind/xmlprotocol/error.h

@@ -14,13 +14,15 @@ QT_END_NAMESPACE
 namespace Valgrind {
 namespace XmlProtocol {
 
+Q_NAMESPACE
+
 class Stack;
 class Suppression;
 
 /**
  * Error kinds, specific to memcheck
  */
-enum MemcheckErrorKind
+enum MemcheckError
 {
     InvalidFree,
     MismatchedFree,
@@ -36,19 +38,20 @@ enum MemcheckErrorKind
     Leak_DefinitelyLost,
     Leak_PossiblyLost,
     Leak_StillReachable,
-    Leak_IndirectlyLost,
-    MemcheckErrorKindCount
+    Leak_IndirectlyLost
 };
+Q_ENUM_NS(MemcheckError);
 
-enum PtrcheckErrorKind
+enum PtrcheckError
 {
     SorG,
     Heap,
     Arith,
     SysParam
 };
+Q_ENUM_NS(PtrcheckError);
 
-enum HelgrindErrorKind
+enum HelgrindError
 {
     Race,
     UnlockUnlocked,
@@ -58,6 +61,7 @@ enum HelgrindErrorKind
     LockOrder,
     Misc
 };
+Q_ENUM_NS(HelgrindError);
 
 class Error
 {

src/plugins/valgrind/xmlprotocol/parser.cpp

@@ -15,7 +15,7 @@
 #include <QAbstractSocket>
 #include <QHash>
 #include <QIODevice>
-#include <QPair>
+#include <QMetaEnum>
 #include <QXmlStreamReader>
 
 namespace {
@@ -88,9 +88,6 @@ private:
     void checkTool(const QString &tool);
     XWhat parseXWhat();
     XauxWhat parseXauxWhat();
-    MemcheckErrorKind parseMemcheckErrorKind(const QString &kind);
-    HelgrindErrorKind parseHelgrindErrorKind(const QString &kind);
-    PtrcheckErrorKind parsePtrcheckErrorKind(const QString &kind);
     int parseErrorKind(const QString &kind);
 
     void reportInternalError(const QString &errorString);
@@ -100,19 +97,12 @@ private:
 
     Tool tool = Tool::Unknown;
     QXmlStreamReader reader;
-    QHash<QString, MemcheckErrorKind> errorKindsByName_memcheck;
-    QHash<QString, HelgrindErrorKind> errorKindsByName_helgrind;
-    QHash<QString, PtrcheckErrorKind> errorKindsByName_ptrcheck;
     QHash<QString, Tool> toolsByName;
 
 private:
     Parser *const q;
 };
 
-#undef ADD_ENUM
-#define ADD_ENUM(tool,enumV) { errorKindsByName_##tool.insert(#enumV, enumV); }
-
-
 Parser::Private::Private(Parser *qq)
     : q(qq)
 {
@@ -120,38 +110,8 @@ Parser::Private::Private(Parser *qq)
     toolsByName.insert("ptrcheck", Tool::Ptrcheck);
     toolsByName.insert("exp-ptrcheck", Tool::Ptrcheck);
     toolsByName.insert("helgrind", Tool::Helgrind);
-
-    ADD_ENUM(memcheck, ClientCheck)
-    ADD_ENUM(memcheck, InvalidFree)
-    ADD_ENUM(memcheck, InvalidJump)
-    ADD_ENUM(memcheck, InvalidRead)
-    ADD_ENUM(memcheck, InvalidWrite)
-    ADD_ENUM(memcheck, Leak_DefinitelyLost)
-    ADD_ENUM(memcheck, Leak_PossiblyLost)
-    ADD_ENUM(memcheck, Leak_StillReachable)
-    ADD_ENUM(memcheck, Leak_IndirectlyLost)
-    ADD_ENUM(memcheck, MismatchedFree)
-    ADD_ENUM(memcheck, Overlap)
-    ADD_ENUM(memcheck, SyscallParam)
-    ADD_ENUM(memcheck, UninitCondition)
-    ADD_ENUM(memcheck, UninitValue)
-
-    ADD_ENUM(helgrind, Race)
-    ADD_ENUM(helgrind, UnlockUnlocked)
-    ADD_ENUM(helgrind, UnlockForeign)
-    ADD_ENUM(helgrind, UnlockBogus)
-    ADD_ENUM(helgrind, PthAPIerror)
-    ADD_ENUM(helgrind, LockOrder)
-    ADD_ENUM(helgrind, Misc)
-
-    ADD_ENUM(ptrcheck, SorG)
-    ADD_ENUM(ptrcheck, Heap)
-    ADD_ENUM(ptrcheck, Arith)
-    ADD_ENUM(ptrcheck, SysParam)
 }
 
-#undef ADD_ENUM
-
 static quint64 parseHex(const QString &str, const QString &context)
 {
     bool ok;
@@ -316,44 +276,26 @@ XauxWhat Parser::Private::parseXauxWhat()
     return what;
 }
 
-
-
-MemcheckErrorKind Parser::Private::parseMemcheckErrorKind(const QString &kind)
+template <typename Enum>
+int parseErrorEnum(const QString &kind)
 {
-    const auto it = errorKindsByName_memcheck.constFind(kind);
-    if (it != errorKindsByName_memcheck.constEnd())
-        return *it;
-    else
-        throw ParserException(Tr::tr("Unknown memcheck error kind \"%1\"").arg(kind));
-}
-
-HelgrindErrorKind Parser::Private::parseHelgrindErrorKind(const QString &kind)
-{
-    const auto it = errorKindsByName_helgrind.constFind(kind);
-    if (it != errorKindsByName_helgrind.constEnd())
-        return *it;
-    else
-        throw ParserException(Tr::tr("Unknown helgrind error kind \"%1\"").arg(kind));
-}
-
-PtrcheckErrorKind Parser::Private::parsePtrcheckErrorKind(const QString &kind)
-{
-    const auto it = errorKindsByName_ptrcheck.constFind(kind);
-    if (it != errorKindsByName_ptrcheck.constEnd())
-        return *it;
-    else
-        throw ParserException(Tr::tr("Unknown ptrcheck error kind \"%1\"").arg(kind));
+    const QMetaEnum metaEnum = QMetaEnum::fromType<Enum>();
+    const int value = metaEnum.keyToValue(kind.toUtf8());
+    if (value >= 0)
+        return value;
+    throw ParserException(Tr::tr("Unknown %1 kind \"%2\"")
+                              .arg(QString::fromUtf8(metaEnum.enumName()), kind));
 }
 
 int Parser::Private::parseErrorKind(const QString &kind)
 {
     switch (tool) {
     case Tool::Memcheck:
-        return parseMemcheckErrorKind(kind);
+        return parseErrorEnum<MemcheckError>(kind);
     case Tool::Ptrcheck:
-        return parsePtrcheckErrorKind(kind);
+        return parseErrorEnum<PtrcheckError>(kind);
     case Tool::Helgrind:
-        return parseHelgrindErrorKind(kind);
+        return parseErrorEnum<HelgrindError>(kind);
     case Tool::Unknown:
     default:
         break;