Ejemplo n.º 1
0
  // 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;
    }
  }
Ejemplo n.º 2
0
  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);
  }
Ejemplo n.º 3
0
  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;
  }