Move ProjectExplorer::WarningFlags to a more suitable location

No need to waste a (badly named) header file on that one type.
Also fix typo in enum value.

Change-Id: I0cd4e3cda9383c3ab197ae6788666324a1dce43d
Reviewed-by: hjk <hjk@qt.io>

src/libs/utils/cpplanguage_details.h

@@ -59,6 +59,35 @@ enum class LanguageExtension : unsigned char {
     All = Gnu | Microsoft | Borland | OpenMP | ObjectiveC
 };
 
+enum class WarningFlags {
+    // General settings
+    NoWarnings = 0,
+    AsErrors = 1 << 0,
+    Default = 1 << 1,
+    All = 1 << 2,
+    Extra = 1 << 3,
+    Pedantic = 1 << 4,
+
+    // Any language
+    UnusedLocals = 1 << 7,
+    UnusedParams = 1 << 8,
+    UnusedFunctions = 1 << 9,
+    UnusedResult = 1 << 10,
+    UnusedValue = 1 << 11,
+    Documentation = 1 << 12,
+    UninitializedVars = 1 << 13,
+    HiddenLocals = 1 << 14,
+    UnknownPragma = 1 << 15,
+    Deprecated = 1 << 16,
+    SignedComparison = 1 << 17,
+    IgnoredQualifiers = 1 << 18,
+
+    // C++
+    OverloadedVirtual = 1 << 24,
+    EffectiveCxx = 1 << 25,
+    NonVirtualDestructor = 1 << 26
+};
+
 Q_DECLARE_FLAGS(LanguageExtensions, LanguageExtension)
 
 enum class QtVersion { Unknown = -1, None, Qt4, Qt5 };
@@ -76,3 +105,28 @@ constexpr bool operator&&(Utils::LanguageExtension first, Utils::LanguageExtensi
 {
     return static_cast<unsigned char>(first) & static_cast<unsigned char>(second);
 }
+
+inline Utils::WarningFlags operator|(Utils::WarningFlags first, Utils::WarningFlags second)
+{
+    return Utils::WarningFlags(int(first) | int(second));
+}
+
+inline Utils::WarningFlags operator&(Utils::WarningFlags first, Utils::WarningFlags second)
+{
+    return Utils::WarningFlags(int(first) & int(second));
+}
+
+inline void operator|=(Utils::WarningFlags &first, Utils::WarningFlags second)
+{
+    first = first | second;
+}
+
+inline void operator&=(Utils::WarningFlags &first, Utils::WarningFlags second)
+{
+    first = first & second;
+}
+
+inline Utils::WarningFlags operator~(Utils::WarningFlags flags)
+{
+    return Utils::WarningFlags(~int(flags));
+}