Changes in token.h/cpp:

- Properly set Token::_type to eVariable, eFunction or eName, depending on _function, _variable or _varId being set.
- Token can't be a variable and a function at a time - put Token::_function and Token::_variable into a union.

lib/token.cpp

@@ -34,8 +34,7 @@ Token::Token(Token **t) :
     _previous(0),
     _link(0),
     _scope(0),
-    _function(0),
+    _function(0), // Initialize whole union
-    _variable(0),
     _str(""),
     _varId(0),
     _fileIndex(0),
@@ -68,6 +67,7 @@ void Token::update_property_info()
         else if (_str[0] == '_' || std::isalpha(_str[0])) { // Name
             if (_varId)
                 _type = eVariable;
+            else if (_type != eVariable && _type != eFunction && _type != eType)
                 _type = eName;
         } else if (std::isdigit(_str[0]) || (_str.length() > 1 && _str[0] == '-' && std::isdigit(_str[1])))
             _type = eNumber;

lib/token.h

@@ -464,13 +464,17 @@ public:
      */
     void function(const Function *f) {
         _function = f;
+        if (f)
+            _type = eFunction;
+        else if (_type == eFunction)
+            _type = eName;
     }
 
     /**
      * Returns a pointer to the Function associated with this token.
      */
     const Function *function() const {
-        return _function;
+        return _type == eFunction ? _function : 0;
     }
 
     /**
@@ -479,13 +483,17 @@ public:
      */
     void variable(const Variable *v) {
         _variable = v;
+        if (v || _varId)
+            _type = eVariable;
+        else if (_type == eVariable)
+            _type = eName;
     }
 
     /**
      * Returns a pointer to the variable associated with this token.
      */
     const Variable *variable() const {
-        return _variable;
+        return _type == eVariable ? _variable : 0;
     }
 
     /**
@@ -581,8 +589,10 @@ private:
 
     // symbol database information
     const Scope *_scope;
+    union {
         const Function *_function;
         const Variable *_variable;
+    };
 
     std::string _str;
     unsigned int _varId;