public bool getSemi()
{
semiExp.RemoveRange(0, semiExp.Count); // empty container
do
{
get();
if (currTok == "")
{
return(false); // end of file
}
//if (returnNewLines || currTok != "\n")
semiExp.Add(currTok);
} while (!isTerminator(currTok) || count == 0);
// if for then append next two semiExps, e.g., for(int i=0; i<se.count; ++i) {
trim();
if (semiExp.Contains("for"))
{
SemiExp se = clone();
getSemi(); // note recursive call
se.Add(semiExp.ToArray());
getSemi();
se.Add(semiExp.ToArray());
semiExp.Clear();
for (int i = 0; i < se.count; ++i)
{
semiExp.Add(se[i]);
}
}
return(semiExp.Count > 0);
}
public bool getSemi()
{
semiExp.RemoveRange(0, semiExp.Count);
do
{
get();
if (currTok == "")
return false;
semiExp.Add(currTok);
} while (!isTerminator(currTok) || count == 0);
trim();
if (semiExp.Contains("for"))
{
SemiExp se = clone();
getSemi();
se.Add(semiExp.ToArray());
getSemi();
se.Add(semiExp.ToArray());
semiExp.Clear();
for (int i = 0; i < se.count; ++i)
semiExp.Add(se[i]);
}
return (semiExp.Count > 0);
}
//----< make a copy of semiEpression >-------------------------------
public SemiExp clone()
{
SemiExp copy = new SemiExp();
for (int i = 0; i < count; ++i)
{
copy.Add(this[i]);
}
return copy;
}
public void trim()
{
SemiExp temp = new SemiExp();
foreach (string tok in semiExp)
{
if (isWhiteSpace(tok))
continue;
temp.Add(tok);
}
semiExp = temp.semiExp;
}