/* @Override */
public PrgState execute(PrgState state)
{
Stack <IStmt> stack = state.getExeStack();
stack.Push(this.snd);
stack.Push(this.fst);
return(state);
}
public PrgState oneStep(PrgState state)
{
Stack <IStmt> exeStack = state.getExeStack();
// if(exeStack.isEmpty())
// return null;
// throws MyStmtExecException;
IStmt currentStmt = exeStack.Pop();
return(currentStmt.execute(state));
}
public void logPrgStateExec()
{
/*
* try {
* // TODO: first file open overwrites file.
* PrintWriter logFile = new PrintWriter(new BufferedWriter(new FileWriter(this.logFilePath, true)));
*
* logFile.println(this.getCurrentState().toString());
* logFile.close();
* } catch(Exception e) {
* System.err.println(e);
* throw e;
* }*/
PrgState state = getCurrentState();
using (StreamWriter logFile = new StreamWriter(logFilePath, true)) {
try {
logFile.WriteLine("Execution Stack\n");
foreach (IStmt statement in state.getExeStack())
{
logFile.WriteLine(" " + statement + "\n");
}
logFile.WriteLine("\n");
logFile.WriteLine("Symbol Table\n");
foreach (KeyValuePair <string, int> entry in state.getSymTable())
{
logFile.WriteLine(" " + entry.Key + " --> " + entry.Value + "\n");
}
logFile.WriteLine("\n");
logFile.WriteLine("File Table\n");
foreach (KeyValuePair <int, MyFile> entry in state.getFileTable())
{
logFile.WriteLine(" " + entry.Key + " --> " + entry.Value + "\n");
}
logFile.WriteLine("\n");
logFile.WriteLine("Output\n");
foreach (int output in state.getStdout())
{
logFile.Write(" %d\n", output);
}
logFile.WriteLine("-------------------\n");
}
catch (Exception) {
Console.WriteLine("error: could not write to the given file");
}
}
}
/* @Override */
public PrgState execute(PrgState state)
{
Stack <IStmt> exeStack = state.getExeStack();
Dictionary <String, int> symTable = state.getSymTable();
if (this.exp.eval(symTable) != 0)
{
exeStack.Push(thenStmt);
}
else
{
exeStack.Push(elseStmt);
}
return(state);
}
public void allStep()
{
PrgState state = r.getCurrentState();
// initial state
Console.WriteLine(state.toString());
try {
this.r.logPrgStateExec();
} catch (Exception e) {
Console.Write(e.ToString());
}
while (state.getExeStack().Count != 0)
{
oneStep(state);
Console.WriteLine(state.toString());
try {
this.r.logPrgStateExec();
} catch (Exception e) {
Console.Write(e.ToString());
}
}
}