Feature/parser

lib/src/classes/classes.dart

@@ -0,0 +1,5 @@
+import 'package:cs2dart/src/abstractions/abstraction.dart';
+
+abstract class Class implements Abstraction {
+
+}

lib/src/lexer/lexer.dart

@@ -246,6 +246,7 @@ class Lexer {
         char == 41 || // right parenthesis
         char == 42 || // asterisk
         char == 43 || // plus sign
+        char == 44 || // comma
         char == 45 || // hyphen-minus
         char == 46 || // full stop, period
         char == 47 || // slash
@@ -261,8 +262,9 @@ class Lexer {
         char == 123 || // left curly bracket
         char == 124 || // vertical bar
         char == 125 || // right curly bracket
-        char == 126) { // tilde
+        char == 126 ) { // tilde
       return true;
+
     }
     return false;
   }
@@ -493,6 +495,10 @@ class Lexer {
 
     // go through on all of these different types of characters
     if (_isOperatorOrPunctuator(_current)) {
+      // if(_current == 0){
+      // _next();
+      // return OperatorOrPunctuatorToken('.');
+      // }
       _next();
       if (_isDoubleOp(_current)) {
         _next();
@@ -547,45 +553,58 @@ class Lexer {
           _next();
           if (_isSign(_current)) {
             _next();
-            if (_isRealTypeSuffix(_current)) {
-              _next();
-            }
-          }
-          if (_isRealTypeSuffix(_current)) {
-            _next();
+            // if (_isRealTypeSuffix(_current)) {
+            //   _next();
+            // }
           }
+          // if (_isRealTypeSuffix(_current)) {
+          //   _next();
+          // }
         }
+
       }
+      if (_isRealTypeSuffix(_current)) {
+            _next();
+          }
       // form: XXX'.'XXX
       end = _position;
       chunk = _text.substring(start, end);
       return RealLiteralToken(chunk);
     } else if (_isDecimalPoint(_current)) {
+
       _next();
       //copied from while loop above
-      while (lexer_assist.isDecimalDigit(_current)) {
+      if(lexer_assist.isDecimalDigit(_current))
+      {
+        _next();
+        while (lexer_assist.isDecimalDigit(_current)) {
         _next();
         if (_isExponentPart(_current)) {
           _next();
           if (_isSign(_current)) {
             _next();
-            if (_isRealTypeSuffix(_current)) {
-              _next();
-            }
-          }
-          if (_isRealTypeSuffix(_current)) {
-            _next();
           }
         }
       }
+      if (_isRealTypeSuffix(_current)) {
+            _next();
+          }
       // form: '.'XXX
       end = _position;
       chunk = _text.substring(start, end);
       return RealLiteralToken(chunk);
+      }
+      else{
+      //decrement next
+
+      _position = start;
+      return null;
+      }
     } else {
       // not recognized
       // reset position
       _position = start;
+
       return null;
     }
   }