public void createQuestions(Element questions) {
try {
GaigsAV.questionCollection = QuestionFactory.questionCollectionFromXML(questions);
} catch (QuestionParseException e) {
System.out.println("ERROR: could not parse the questions.");
}
} // createQuestions(element)
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();
}
// 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;
}
}
private /*synchronized*/ void readQuestions(StringTokenizer st) throws VisualizerLoadException {
String tmpStr =
"STARTQUESTIONS\n"; // When CG's QuestionFactory parses from a string, it looks for
// a line with STARTQUESTIONS -- hence we add it artificially here
try { // Build the string for the QuestionFactory
while (st.hasMoreTokens()) {
tmpStr += st.nextToken() + "\n";
}
} catch (Exception e) {
e.printStackTrace();
throw new VisualizerLoadException("Ooof! bad question format");
}
try {
// System.out.println(tmpStr);
// Problem -- must make this be line oriented
GaigsAV.questionCollection = QuestionFactory.parseScript(tmpStr);
} catch (QuestionParseException e) {
e.printStackTrace();
System.out.println("Error parsing questions.");
throw new VisualizerLoadException("Ooof! bad question format");
// throw new IOException();
}
} // readQuestions(st)
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 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;
}