public void Compile()
{
if (state >= State.Compiled)
{
return;
}
GenerateCode();
lock (this)
{
if (state >= State.Compiled)
{
return;
}
using (var codeProvider = new CSharpCodeProvider())
{
compilerParameters.OutputAssembly = "";
Directory.CreateDirectory(TempLocation);
compilerParameters.TempFiles = new TempFileCollection(TempLocation, false);
prg = codeProvider.CompileAssemblyFromSource(compilerParameters, ProgramText);
}
if (prg.Errors.Count > 0)
{
var lines = ProgramText.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
throw new InvalidExpressionException(string.Format("{0} in expression \"{1}\"",
prg.Errors[0].ErrorText,
prg.Errors[0].Line > 0 ? lines[prg.Errors[0].Line - 1] : "<source code not found>"));
}
state = State.Compiled;
}
}
/*
* ---------------- / CONSTRUCTOR ----------------
*/
/*
* ---------------- PUBLIC METHODS ----------------
*/
public char GetChar() /* Get the frontmost input character from the string if there is one */
{
/* Local Variables */
char retVal; /* Character to send out */
/* / Local Variables */
/* Return a null terminator to allow other objects to know there is no more input */
if (ProgramText.Length == 0)
{
return(NULL_TERMINATOR);
}
/* Return the first character in the input buffer and remove it from the buffer */
retVal = ProgramText[0];
ProgramText = ProgramText.Substring(1, ProgramText.Length - 1);
++Position;
/* Update the line number IF: the current character is a newline*/
if (retVal == NEWLINE)
{
++LineNumber;
}
return(retVal);
}
private void ExecuteAddRow(object obj)
{
int count = ProgramText.Count(ch => ch == '\r');
StringBuilder builder = new StringBuilder();
for (int i = 1; i <= count + 1; i++)
{
builder.Append(i + Environment.NewLine);
}
Rows = builder.ToString();
}
public void Save()
{
string fileName = FileName;
if (!FileName.EndsWith(".txt"))
{
int extensionLocation = fileName.LastIndexOf('.');
if (extensionLocation != -1)
{
fileName = fileName.Remove(extensionLocation);
}
fileName = fileName + ".txt";
}
using (StreamWriter sw = new StreamWriter(fileName, false)) {
sw.Write(ProgramText.Replace("\r", "").Replace("\n", Environment.NewLine));
}
Dirty = false;
}
