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;
}
public bool testSemi(string path)
{
SemiExp Semitest = new SemiExp();
SemiExp test = new SemiExp();
string testFile = path;
if (!test.open(testFile))
Console.Write("\n Can't open file {0}", testFile);
while (test.getSemi())
test.display();
return true;
}
static void Main(string[] args)
{
Console.Write("\n Testing semiExp Operations");
Console.Write("\n ============================\n");
SemiExp test = new SemiExp();
test.returnNewLines = true;
test.displayNewLines = true;
//string testFile = "../../testSemi.txt";
string testFile = "../../testSemi.txt";
if (!test.open(testFile))
{
Console.Write("\n Can't open file {0}", testFile);
}
Console.Write("\n processing file: {0}\n", testFile);
while (test.getSemi())
{
test.display();
}
test.initialize();
test.insert(0, "this");
test.insert(1, "is");
test.insert(2, "a");
test.insert(3, "test");
test.display();
Console.Write("\n 2nd token = \"{0}\"\n", test[1]);
Console.Write("\n removing first token:");
test.remove(0);
test.display();
Console.Write("\n");
Console.Write("\n removing token \"test\":");
test.remove("test");
test.display();
Console.Write("\n");
Console.Write("\n making copy of semiExpression:");
SemiExp copy = test.clone();
copy.display();
Console.Write("\n");
if (args.Length == 0)
{
Console.Write("\n Please enter name of file to analyze\n\n");
return;
}
SemiExp semi = new SemiExp();
semi.returnNewLines = false;
if (!semi.open(args[0]))
{
Console.Write("\n can't open file {0}\n\n", args[0]);
return;
}
Console.Write("\n Analyzing file {0}", args[0]);
Console.Write("\n ----------------------------------\n");
while (semi.getSemi())
{
semi.display();
}
semi.close();
}
