public void handleStatement(ASTStatement node) {

    // System.out.println(node.getCode());

    // Drawing
    connector.startSnap(node.getLineNumber());

    // FIXME we'll see how this works

    // Nested scope for by macro
    SimpleNode s = (SimpleNode) node.jjtGetChild(0);

    if (s instanceof ASTStatementList) {
      System.out.println("This'll never happen");
      SymbolTable st = new SymbolTable(Global.getCurrentSymbolTable());
      st.setName("nested");
      Global.setCurrentSymbolTable(st);
      s.jjtAccept(this, null);
      Global.setCurrentSymbolTable(st.getPrevious());
    } else {

      node.jjtGetChild(0).jjtAccept(this, null);
      if (((SimpleNode) node.jjtGetChild(0)).getId() == JJTCALL) {
        ((ASTCall) (node.jjtGetChild(0))).setLineNumber(node.getLineNumber());
      }

      update(node.getLineNumber(), UPDATE_REASON_STATEMENT);
    }
    // System.out.println("endStatement");
    connector.endSnap();
  }
  public void handleStatementList(ASTStatementList node) {
    // connector.endPar();						//ENDPAR

    int numStatements = node.jjtGetNumChildren();
    for (int i = 0; i < numStatements; i++) {
      node.jjtGetChild(i).jjtAccept(this, null);
    }
    if (!node.getIsFunction()) {
      Global.setCurrentSymbolTable(Global.getCurrentSymbolTable().getPrevious());
    }
  }
  public void handleProgram(ASTProgram node) {
    program = node;
    // System.out.println("visiting program");
    Global.setCurrentSymbolTable(Global.getSymbolTable());
    update(1, UPDATE_REASON_BEGIN);
    startQuestion = questionFactory.getStartQuestion();
    // Drawing Stuff
    connector.addScope(Global.getSymbolTable(), "Global", null);
    connector.startPar(); // STARTPAR
    connector.showScope("Global");
    connector.endPar(); // ENDPAR
    // connector.endSnap();

    node.jjtGetChild(0).jjtAccept(this, null);
    update(LINE_NUMBER_END, UPDATE_REASON_END);

    int value = 0;

    try {
      value = Global.getSymbolTable().get(startQuestion.getVariable());
      System.out.println(startQuestion.getVariable() + " is " + value);
    } catch (Exception e) {
      System.out.println(e);
    }
    if (startQuestion instanceof FIBQuestion) {

      ((FIBQuestion) startQuestion).addAnswer(value + "");
    } else if (startQuestion instanceof TFQuestion) {
      Random r = new Random();
      int prob = r.nextInt(10);
      int qa = value;
      if (prob >= 3 && value != startQuestion.getValue()) {
        qa = startQuestion.getValue();
        ((TFQuestion) startQuestion).setAnswer(false);
      } else {
        ((TFQuestion) startQuestion).setAnswer(true);
      }
      startQuestion.setText(startQuestion.getText() + qa + ".");
    }

    // TODO Write the last snap nicely

    connector.startSnap(node.getPseudocode().length);
    connector.startPar(); // STARTPAR
    // we can't hide foo in by macro cuz it doesn't exist
    if (!byMacroFlag) connector.hideScope("foo");
    connector.endPar(); // ENDPAR
    connector.endSnap();
  }
  public void handleFunction(ASTFunction node) {
    // Get the function's symbol table, set it's previous to the
    // calling function's, and then set it to current.
    connector.startSnap(node.getLineNumber());
    if (node.getName().equals("main")) {
      connector.addQuestion(startQuestion);
      connector.showScope("main");

    } else {
    }
    connector.endSnap();
    if (!node.getUsed()) {
      return;
    }
    SymbolTable currentSymbolTable = node.getSymbolTable();
    for (String p : node.getParameters()) {
      ByNameVariable v = new ByNameVariable();
      v.setParam();
      currentSymbolTable.put(p, v);
    }
    Global.setCurrentSymbolTable(currentSymbolTable);

    node.jjtGetChild(0).jjtAccept(this, null);
    leaveScope();
  }
 // FIXME use this?
 public void update(int lineNumber, int reason) {
   if (XAALScripter.debug) {
     System.out.println("Update on " + lineNumber);
   }
   if (XAALScripter.debug) {
     System.out.println(Global.getCurrentSymbolTable().toString());
   } // questionFactory.addAnswers(lineNumber, reason);
 }
  public void handleVarDecl(ASTVarDecl node) {
    // System.out.println("Visiting var decl");
    String name = node.getName();
    node.setLineNumber(((SimpleNode) node.jjtGetParent()).getLineNumber());
    SymbolTable s = Global.getCurrentSymbolTable();
    ArrayList<Integer> values;

    if (node.getIsArray()) {
      ByValVariable v = (ByValVariable) s.getVariable(name);
      v.setArray();
      values =
          (ArrayList<Integer>) handleArrayDeclaration((ASTArrayDeclaration) node.jjtGetChild(0));
      v.setValues(values);
    } else {
      Integer value = (Integer) node.jjtGetChild(0).jjtAccept(this, null);
      s.setValue(name, value);
    }

    // Drawing Stuff
    connector.addVariable(s.getVariable(name), name, s.getName());

    // This is a snapshot
    connector.showVar(Global.getCurrentSymbolTable().getVariable(name));
  }
  // returning false means we're done executing now.
  public Boolean handleDeclaration(ASTDeclaration node) {

    // System.out.println("Visiting decl");
    SimpleNode child = (SimpleNode) node.jjtGetChild(0);
    if (child.getId() == JJTFUNCTION) {
      System.out.println("Found a function");

      startQuestion = questionFactory.getStartQuestion();
      connector.endPar(); // ENDPAR
      connector.endSnap();
      ASTFunction main = Global.getFunction("main");
      connector.addScope(main.getSymbolTable(), "main", "Global");

      main.jjtAccept(this, null);

      return false;
    } else {
      node.jjtGetChild(0).jjtAccept(this, null);
      // update();
      return true;
    }
  }
 public void leaveScope() {
   if (XAALScripter.debug) {
     System.out.println("Leaving scope " + Global.getCurrentSymbolTable().getName());
   }
   update(-1, UPDATE_REASON_LEAVEFUN);
 }
  public void handleAssignment(ASTAssignment node) {
    connector.startPar(); // STARTPAR
    Random r = new Random();
    int q = r.nextInt(100);

    boolean gotAQuestion = q < QUESTION_FREQUENCY; // q < QUESTION_FREQUENCY;//HACK FOR NOW FIXME
    String name = node.getName();
    if (((ASTVar) node.jjtGetChild(0)).isArg()) {
      name += "_";
    }
    Integer value = (Integer) node.jjtGetChild(1).jjtAccept(this, null);
    int index = 0;

    Variable v = Global.getCurrentSymbolTable().getVariable(name);
    if (v instanceof ByNameVariable) {
      if (gotAQuestion) {
        if (v.getIsArray()) {
          gotAQuestion = false;
        } else {
          assignmentQuestion = questionFactory.getByNameQuestion(node.getLineNumber(), name);
        }
      }
      v.setValue(value);
      index = ((ByNameVariable) v).getIndex();
    } else if (v.getIsArray()) {
      index = (Integer) node.jjtGetChild(0).jjtGetChild(0).jjtAccept(this, null);

      try {
        v.setValue(value, index);
      } catch (VizIndexOutOfBoundsException e) {

        System.out.println(e);
      }
      if (gotAQuestion) {
        assignmentQuestion =
            questionFactory.getAssignmentQuestion(node.getLineNumber(), name, index);
      }
    } else {
      if (gotAQuestion) {
        assignmentQuestion = questionFactory.getAssignmentQuestion(node.getLineNumber(), name);
      }
      try {
        v.setValue(value);
      } catch (Exception e) {
        System.out.println(e);
      }
    }
    System.out.println(assignmentQuestion);
    if (gotAQuestion) {
      int i = -257;
      if (assignmentQuestion.getIndex() != -1) {
        if (assignmentQuestion.aboutArg) {
          try {
            i =
                Global.getFunction("main")
                    .getSymbolTable()
                    .get(assignmentQuestion.getVariable(), assignmentQuestion.getIndex());
          } catch (Exception e) {
            System.out.println(e);
          }
        } else {
          try {
            i = Global.getCurrentSymbolTable().get(name, assignmentQuestion.getIndex());
          } catch (Exception e) {
            System.out.println(e);
          }
        }
      } else {
        if (assignmentQuestion.aboutArg || v instanceof ByNameVariable) {
          System.out.println("Getting " + name);
          try {
            i = Global.getFunction("main").getSymbolTable().get(assignmentQuestion.getVariable());
          } catch (Exception e) {
            System.out.println(e);
          }
        }
        {
          try {
            i = Global.getCurrentSymbolTable().get(name);
          } catch (Exception e) {
            System.out.println(e);
          }
        }
      }
      if (gotAQuestion) {
        setAssignmentQuestionAnswer(i);
        connector.addQuestion(assignmentQuestion);
      }
    }

    if (v instanceof ByNameVariable) {

      connector.greyScope("foo");
      System.out.println("Greying scope");
      connector.highlightScopeByName("main");

      if (v.getIsArray()) {
        connector.highlightVarByName(((ByNameVariable) v).getVariable(), index);
        connector.modifyVarByName(((ByNameVariable) v).getVariable(), index, value);
      } else {
        connector.highlightVarByName(((ByNameVariable) v).getVariable());
        connector.modifyVarByName(((ByNameVariable) v).getVariable(), value);
      }
    } else {
      if (v.getIsArray()) {
        connector.modifyVarByName(v, index, value);
      } else {
        connector.modifyVarByName(v, value);
      }
    }
    connector.endPar(); // ENDPAR
    update(node.getLineNumber(), UPDATE_REASON_ASSIGNMENT);
  }
  public Integer handleVar(ASTVar node) {
    System.out.println(node.jjtGetParent());
    Integer value = -256;
    int index = -10000;
    String name = node.getName();
    if (node.isArg()) {
      name += "_";
    }

    if (JustCalling) {
      return value;
    }
    Variable v = Global.getCurrentSymbolTable().getVariable(name);
    if (v instanceof ByNameVariable) {
      v = Global.getCurrentSymbolTable().getCacheVariable(name);
      System.out.println(v + " should be null the first time");
      if (v != null) {
        int ret = 0;
        try {
          ret = v.getValue();
        } catch (VizIndexOutOfBoundsException e) {
          System.out.println(e);
        }
        return ret;
      }
    } else {
      v = Global.getCurrentSymbolTable().getVariable(name);
    }

    boolean cached = false;
    if (v == null) {

      v = Global.getCurrentSymbolTable().getVariable(name);
      System.out.println(v);
      int val = 0;
      try {
        val = v.getValue();

        Global.getCurrentSymbolTable().addCacheVariable(name, val);

      } catch (VizIndexOutOfBoundsException e) {
        System.out.println(e);
      }
      if (node.getIsArray()) {
        name += "[" + ((SimpleNode) node.jjtGetChild(0)).getCode() + "]";
      }
      connector.addVariableToCache(name, val, "foo");
    } else {
      cached = true;
    }

    if (v instanceof ByNameVariable) {
      try {
        value = v.getValue();
      } catch (VizIndexOutOfBoundsException e) {
        System.out.println(e);
      }
    } else {
      if (node.getIsArray()) {
        index = (Integer) node.jjtGetChild(0).jjtAccept(this, null);
        node.setIndex(index);
        try {
          value = v.getValue(index);

        } catch (VizIndexOutOfBoundsException e) {
          System.out.println(e);
          ASTExpression exp = (ASTExpression) node.jjtGetChild(0);
          ASTNum num = new ASTNum(JJTNUM);
          Random r = new Random();
          num.setValue(r.nextInt(6));
          exp.jjtAddChild(num, 0);
          try {
            index = (Integer) exp.jjtAccept(this, null);
            value = v.getValue(index);
          } catch (VizIndexOutOfBoundsException f) {
            System.out.println("oops...");
          }
          program.codeBuilt = false;
          Global.lineNumber = 1;
          program.buildCode();
        }
      } else {
        try {
          value = v.getValue();
        } catch (VizIndexOutOfBoundsException f) {
          System.out.println(f);
        }
      }
      System.out.println("Fucking " + value + v + cached);
    }
    if (v instanceof ByNameVariable) {
      if (cached) {
        connector.highlightVarByName(v);
      } else {

        connector.greyScope("foo");

        connector.highlightScopeByName("main");
        if (((ByNameVariable) v).getVariable().getIsArray()) {
          connector.highlightVarByName(
              ((ByNameVariable) v).getVariable(), ((ByNameVariable) v).getIndex());
        } else {
          connector.highlightVarByName(((ByNameVariable) v).getVariable());
        }
      }
    } else {

      if (node.getIsArray()) {
        // connector.highlightVarByName(v, index);
      } else {
        // connector.highlightVarByName(v);
      }
    }
    return value;
  }
  public Integer handleCall(ASTCall node) {
    boolean gotAQuestion = true; // FIXME HACK
    // Get the correct function head node
    ASTFunction fun = Global.getFunction(node.getName());
    System.out.println("Calling: " + fun.getName());
    // Get the parameters and put the correct values in the symbolTable
    SymbolTable st = fun.getSymbolTable();
    String name = fun.getName();
    ArrayList<String> parameters = fun.getParameters();
    JustCalling = true;
    ArrayList<Integer> args = (ArrayList<Integer>) node.jjtGetChild(0).jjtAccept(this, null);
    JustCalling = false;
    ArrayList<ASTVar> argNames = ((ASTArgs) node.jjtGetChild(0)).getArgs();
    for (int i = 0; i < args.size(); i++) {
      ByNameVariable v = (ByNameVariable) st.getVariable(parameters.get(i));
      v.setRef(argNames.get(i));

      ByNameVariable argVar = (ByNameVariable) st.getVariable(argNames.get(i).getName() + "_");
    }
    HashMap<String, String> pa = new HashMap<String, String>(); // Maps args to params
    for (int i = 0; i < parameters.size(); i++) {
      pa.put(parameters.get(i), argNames.get(i).getName());
    }
    Global.setCurrentParamToArg(pa);

    // QUESTION!!!
    callQuestion = questionFactory.getCallQuestion(name, pa);
    if (callQuestion == null) {
      System.out.println("No question");
      gotAQuestion = false;
    }
    // Drawing Stuff
    connector.addScope(new SymbolTable(null), fun.getName(), "Global", true);
    connector.startPar(); // STARTPAR
    connector.showScope(node.getName());
    if (gotAQuestion) {
      System.out.println("Adding the call question");
      connector.addQuestion(callQuestion);
    }
    connector.endPar(); // ENDPAR

    connector.endSnap();
    fun.jjtAccept(this, null); // and we gogogo

    if (gotAQuestion) {

      int answer = 0;
      try {
        answer = Global.getFunction("main").getSymbolTable().get(callQuestion.getVariable());
      } catch (Exception e) {
        System.out.println(e);
      }
      System.out.println(callQuestion.getVariable() + " is " + answer);

      if (callQuestion instanceof FIBQuestion) {
        ((FIBQuestion) callQuestion).addAnswer(answer + "");
      } else if (callQuestion instanceof TFQuestion) {
        int qa = answer;
        // Getting the value of the var at the end of the function
        String paramName = Global.getCurrentParamToArg().get(callQuestion.getVariable());
        int prevVal = 0;
        try {
          Global.getFunction("foo").getSymbolTable().get(paramName);
        } catch (Exception e) {
          System.out.println(e);
        }

        Random r = new Random();
        int choose = r.nextInt(3);
        switch (choose) {
          case 0:
            qa = callQuestion.getValue();
            System.out.println(qa + "getValue");
            ((TFQuestion) callQuestion).setAnswer(false);
            if (qa == answer) // Value is the same anyway
            {
              ((TFQuestion) callQuestion).setAnswer(true);
            }
            break;
          case 1:
          case 2:
            System.out.println(qa + "value");
            ((TFQuestion) callQuestion).setAnswer(true);
            break;
        }

        callQuestion.setText(callQuestion.getText() + qa);
      } else {
      }
    }
    connector.startSnap(Global.getFunction("main").getLineNumber());

    System.out.println("leaving call");
    return 0;
  }