Align keywords with c++20 standard for CodeEditor (#3247)

gui/codeeditor.cpp

@@ -15,45 +15,83 @@ Highlighter::Highlighter(QTextDocument *parent,
     mKeywordFormat.setForeground(mWidgetStyle->keywordColor);
     mKeywordFormat.setFontWeight(mWidgetStyle->keywordWeight);
     QStringList keywordPatterns;
-    keywordPatterns << "bool"
+    keywordPatterns << "alignas"
+                    << "alignof"
+                    << "asm"
+                    << "auto"
+                    << "bool"
                     << "break"
                     << "case"
+                    << "catch"
                     << "char"
+                    << "char8_­t"
+                    << "char16_­t"
+                    << "char32_­t"
                     << "class"
+                    << "concept"
                     << "const"
+                    << "consteval"
+                    << "constexpr"
+                    << "constinit"
+                    << "const_­cast"
                     << "continue"
+                    << "co_­await"
+                    << "co_­return"
+                    << "co_­yield"
+                    << "decltype"
                     << "default"
+                    << "delete"
                     << "do"
                     << "double"
+                    << "dynamic_­cast"
                     << "else"
                     << "enum"
                     << "explicit"
+                    << "export"
+                    << "extern"
+                    << "false"
+                    << "float"
                     << "for"
                     << "friend"
+                    << "goto"
                     << "if"
                     << "inline"
                     << "int"
                     << "long"
+                    << "mutable"
                     << "namespace"
+                    << "new"
+                    << "noexcept"
+                    << "nullptr"
                     << "operator"
                     << "private"
                     << "protected"
                     << "public"
+                    << "reinterpret_­cast"
+                    << "requires"
                     << "return"
                     << "short"
                     << "signed"
                     << "static"
+                    << "static_­assert"
+                    << "static_­cast"
                     << "struct"
                     << "switch"
                     << "template"
+                    << "this"
+                    << "thread_­local"
                     << "throw"
+                    << "true"
+                    << "try"
                     << "typedef"
+                    << "typeid"
                     << "typename"
                     << "union"
                     << "unsigned"
                     << "virtual"
                     << "void"
                     << "volatile"
+                    << "wchar_­t"
                     << "while";
     foreach (const QString &pattern, keywordPatterns) {
         rule.pattern = QRegularExpression("\\b" + pattern + "\\b");

gui/resultstree.cpp

@@ -228,7 +228,7 @@ bool ResultsTree::addErrorItem(const ErrorItem &item)
     stditem->setData(QVariant(data));
 
     //Add backtrace files as children
-    if (item.errorPath.size() > 1U) {
+    if (item.errorPath.size() > 1) {
         for (int i = 0; i < item.errorPath.size(); i++) {
             const QErrorPathItem &e = item.errorPath[i];
             line.file = e.file;