C++: Remove Lexer::{tokenOffset(),tokenLength()}

The necessary data can be retrieved by the resulting Token.

Change-Id: I79afb23183c156240c690beff30bb11dfe943e61
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/libs/3rdparty/cplusplus/Lexer.cpp

@@ -104,12 +104,6 @@ void Lexer::pushLineStartOffset()
         _translationUnit->pushLineOffset(_currentChar - _firstChar);
 }
 
-unsigned Lexer::tokenOffset() const
-{ return _tokenStart - _firstChar; }
-
-unsigned Lexer::tokenLength() const
-{ return _currentChar - _tokenStart; }
-
 void Lexer::scan(Token *tok)
 {
     tok->reset();

src/libs/3rdparty/cplusplus/Lexer.h

@@ -44,9 +44,6 @@ public:
     inline void operator()(Token *tok)
     { scan(tok); }
 
-    unsigned tokenOffset() const;
-    unsigned tokenLength() const;
-
     bool scanCommentTokens() const;
     void setScanCommentTokens(bool onoff);
 

src/libs/cplusplus/SimpleLexer.cpp

@@ -89,7 +89,7 @@ QList<Token> SimpleLexer::operator()(const QString &text, int state)
             break;
         }
 
-        QStringRef spell = text.midRef(lex.tokenOffset(), lex.tokenLength());
+        QStringRef spell = text.midRef(tk.begin(), tk.length());
         lex.setScanAngleStringLiteralTokens(false);
 
         if (tk.f.newline && tk.is(T_POUND))