Changes made on Flex to adapt for merging.

src/main/jflex/chocopy/pa1/ChocoPy.jflex

@@ -34,6 +34,7 @@ import java.util.ArrayList;
     final ComplexSymbolFactory symbolFactory = new ComplexSymbolFactory();
     private int currIndent = 0; //Current Indentation Level
     private String currString = "";
+    private int str_l = 0, str_c = 0; //Start location of a string.
     /*A stack that keeps track of the spaces in each Indentation Level*/
     private ArrayList<Integer> stack = new ArrayList<Integer>(20); 
     /** Return a terminal symbol of syntactic category TYPE and no
@@ -45,6 +46,7 @@ import java.util.ArrayList;
     /** Return a terminal symbol of syntactic category TYPE and semantic
      *  value VALUE at the current source location. */
     private Symbol symbol(int type, Object value) {
+        //System.out.println(yytext() + ChocoPyTokens.terminalNames[type]);
         return symbolFactory.newSymbol(ChocoPyTokens.terminalNames[type], type,
             new ComplexSymbolFactory.Location(yyline + 1, yycolumn + 1),
             new ComplexSymbolFactory.Location(yyline + 1,yycolumn + yylength()),
@@ -134,6 +136,7 @@ if True:
           AFTER state.
           */ 
           pop();
+          //System.out.println("dedent");
           return symbol(ChocoPyTokens.DEDENT, currIndent);
       }
       /*Otherwise, we will start dealing with the rest 
@@ -146,6 +149,8 @@ if True:
           current level should have, start a new level which will have 
           `currIndent' indents.
           */
+          //System.out.println("indent");
+
           push(currIndent);
           return symbol(ChocoPyTokens.INDENT, currIndent);
       }
@@ -161,7 +166,7 @@ if True:
   /* Literals. */
   {IntegerLiteral}            { return symbol(ChocoPyTokens.NUMBER,
                                                  Integer.parseInt(yytext())); }
-  "\""                           {yybegin(STR); currString = "";} //Start taking a string when see a "
+  "\""                           {yybegin(STR); str_l = yyline + 1; str_c = yycolumn + 1; currString = "";} //Start taking a string when see a "
   "False"                        { return symbol(ChocoPyTokens.BOOL, false); }
   "True"                         { return symbol(ChocoPyTokens.BOOL, true); }
   "None"                         { return symbol(ChocoPyTokens.NONE); }
@@ -232,9 +237,12 @@ if True:
 <STR>{
     {StringLiteral}           {currString += yytext();}
     \\$                       { /*'\' at the end of line, do nothing.*/ }
-    "\""                      {yybegin(AFTER); return symbol(ChocoPyTokens.STRING, currString);} // accepted a ", return to AFTER state
+    "\""                      {yybegin(AFTER); return symbolFactory.newSymbol(ChocoPyTokens.terminalNames[ChocoPyTokens.STRING], ChocoPyTokens.STRING,
+                              new ComplexSymbolFactory.Location(str_l, str_c),
+                              new ComplexSymbolFactory.Location(yyline + 1,yycolumn + yylength()),
+                              currString);} // accepted a ", return to AFTER state
 }
-<<EOF>>                       { return symbol(ChocoPyTokens.EOF); }
+<<EOF>>                       { if(!stack.isEmpty()){ return symbol(ChocoPyTokens.DEDENT, pop());} return symbol(ChocoPyTokens.EOF);}
 
 /* Error fallback. */
 [^]                           { return symbol(ChocoPyTokens.UNRECOGNIZED); }