expose number of variables found by Tokenizer

lib/tokenize.cpp

@@ -58,6 +58,9 @@ Tokenizer::Tokenizer()
 
     // symbol database
     _symbolDatabase = NULL;
+
+    // variable count
+    _varId = 0;
 }
 
 Tokenizer::Tokenizer(const Settings *settings, ErrorLogger *errorLogger)
@@ -75,6 +78,9 @@ Tokenizer::Tokenizer(const Settings *settings, ErrorLogger *errorLogger)
 
     // symbol database
     _symbolDatabase = NULL;
+
+    // variable count
+    _varId = 0;
 }
 
 Tokenizer::~Tokenizer()
@@ -3271,7 +3277,7 @@ void Tokenizer::setVarId()
         tok->varId(0);
 
     // Set variable ids..
-    unsigned int _varId = 0;
+    _varId = 0;
     for (Token *tok = _tokens; tok; tok = tok->next())
     {
         if (tok != _tokens && !Token::Match(tok, "[;{}(,] %type%"))

lib/tokenize.h

@@ -650,6 +650,15 @@ public:
 
     Token *deleteInvalidTypedef(Token *typeDef);
 
+    /**
+     * Get variable count.
+     * @return number of variables
+     */
+    unsigned int varIdCount() const
+    {
+        return _varId;
+    }
+
 private:
     /** Disable copy constructor, no implementation */
     Tokenizer(const Tokenizer &);
@@ -684,6 +693,9 @@ private:
 
     /** Symbol database that all checks etc can use */
     mutable SymbolDatabase *_symbolDatabase;
+
+    /** variable count */
+    unsigned int _varId;
 };
 
 /// @}