Token debug function printOut() can now print out filename instead of index

lib/token.cpp

@@ -603,10 +603,22 @@ void Token::createMutualLinks(Token *begin, Token *end)
 
 void Token::printOut(const char *title) const
 {
-    std::cout << stringifyList(true, title) << std::endl;
+    const std::vector<std::string> fileNames;
+    std::cout << stringifyList(true, title, fileNames) << std::endl;
+}
+
+void Token::printOut(const char *title, const std::vector<std::string> &fileNames) const
+{
+    std::cout << stringifyList(true, title, fileNames) << std::endl;
 }
 
 std::string Token::stringifyList(bool varid, const char *title) const
+{
+    const std::vector<std::string> fileNames;
+    return stringifyList(varid, title, fileNames);
+}
+
+std::string Token::stringifyList(bool varid, const char *title, const std::vector<std::string> &fileNames) const
 {
     std::ostringstream ret;
     if (title)
@@ -626,7 +638,11 @@ std::string Token::stringifyList(bool varid, const char *title) const
             }
 
             fileIndex = static_cast<int>(tok->_fileIndex);
-            ret << "\n\n##file " << fileIndex << "";
+            ret << "\n\n##file ";
+            if (fileNames.size() > static_cast<unsigned int>(fileIndex))
+                ret << fileNames.at(fileIndex);
+            else
+                ret << fileIndex;
 
             linenr = lineNumbers[fileIndex];
             fileChange = true;

lib/token.h

@@ -20,6 +20,7 @@
 #define TokenH
 
 #include <string>
+#include <vector>
 
 /// @addtogroup Core
 /// @{
@@ -220,6 +221,16 @@ public:
      */
     void printOut(const char *title = 0) const;
 
+    /**
+     * For debugging purposes, prints token and all tokens
+     * followed by it.
+     * @param title Title for the printout or use default parameter or 0
+     * for no title.
+     * @param fileNames Prints out file name instead of file index.
+     * File index should match the index of the string in this vector.
+     */
+    void printOut(const char *title, const std::vector<std::string> &fileNames) const;
+
     /**
      * Replace token replaceThis with tokens between start and end,
      * including start and end. The replaceThis token is deleted.
@@ -230,7 +241,8 @@ public:
     static void replace(Token *replaceThis, Token *start, Token *end);
 
     /** Stringify a token list (with or without varId) */
-    std::string stringifyList(bool varid = true, const char *title = 0) const;
+    std::string stringifyList(bool varid = 0, const char *title = 0) const;
+    std::string stringifyList(bool varid, const char *title, const std::vector<std::string> &fileNames) const;
 
     /**
      * This is intended to be used for the first token in the list

lib/tokenize.cpp

@@ -2164,7 +2164,7 @@ bool Tokenizer::simplifyTokenList()
     simplifyComma();
     if (_settings && _settings->_debug)
     {
-        _tokens->printOut();
+        _tokens->printOut(0, _files);
     }
 
     return validate();