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RedPandaIDE/parser/cpptokenizer.cpp

@@ -616,8 +616,9 @@ void CppTokenizer::advance()
 
 bool CppTokenizer::isLetterChar(const QChar &ch)
 {
-    return (ch>= 'A' && ch<='Z')
-            || (ch>='a' && ch<='z')
+//    return (ch>= 'A' && ch<='Z')
+//            || (ch>='a' && ch<='z')
+    return ch.isLetter()
             || ch == '_'
             || ch == '*'
             || ch == '&'

RedPandaIDE/qsynedit/highlighter/cpp.cpp

@@ -1589,3 +1589,8 @@ SynRangeState SynEditCppHighlighter::getRangeState() const
 {
     return mRange;
 }
+
+bool SynEditCppHighlighter::isIdentChar(const QChar &ch) const
+{
+    return ch=='_' || ch.isDigit() || ch.isLetter();
+}

RedPandaIDE/qsynedit/highlighter/cpp.h

@@ -186,6 +186,10 @@ public:
     // SynHighlighter interface
 public:
     SynRangeState getRangeState() const override;
+
+    // SynHighlighter interface
+public:
+    bool isIdentChar(const QChar &ch) const override;
 };
 
 #endif // SYNEDITCPPHIGHLIGHTER_H