60   virtual FormatToken *setPosition(unsigned Position) = 0;
89       : Tokens(Tokens), Position(-1) {}  in IndexedTokenSource()
92     if (Position >= 0 && isEOF()) {  in getNextToken()
95         dbgToken(Position);  in getNextToken()
97       return Tokens[Position];  in getNextToken()
99     Position = successor(Position);  in getNextToken()
102       dbgToken(Position);  in getNextToken()
104     return Tokens[Position];  in getNextToken()
108     assert(Position <= 0 || Tokens[Position - 1]->isNot(tok::eof));  in getPreviousToken()
109     return Position > 0 ? Tokens[Position - 1] : nullptr;  in getPreviousToken()
114       return Tokens[Position];
115     int Next = successor(Position);
127     return Position == -1 ? false : Tokens[Position]->is(tok::eof);  in isEOF()
131     LLVM_DEBUG(llvm::dbgs() << "Getting Position: " << Position << "\n");  in getPosition()
132     assert(Position >= 0);  in getPosition()
133     return Position;  in getPosition()
138     Position = P;  in setPosition()
139     return Tokens[Position];  in setPosition()
143     assert(Position != -1);  in insertTokens()
152                    << Position << "\n";  in insertTokens()
154     Jumps[Tokens.size() - 1] = Position;  in insertTokens()
155     Position = Next;  in insertTokens()
158       dbgToken(Position);  in insertTokens()
160     return Tokens[Position];  in insertTokens()
163   void reset() { Position = -1; }  in reset()
176   void dbgToken(int Position, StringRef Indent = "") {
177     FormatToken *Tok = Tokens[Position];
178     llvm::dbgs() << Indent << "[" << Position
184   int Position;  variable
239   FormatToken *setPosition(unsigned Position) override {  in setPosition()  argument
241     Token = PreviousTokenSource->setPosition(Position);  in setPosition()