void AsyncParser_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
AsyncParserResultType Result = new AsyncParserResultType();
//make sure that double typed numbers are converted with decimal point (not comma!) to string
System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.CreateSpecificCulture("en-US");
try
{
AsyncParserJob job = e.Argument as AsyncParserJob;
Result.DocumentID = job.DocumentID;
Tikz_ParseTree tp = TikzParser.Parse(job.code);
Result.ParseTree = tp;
//include any styles from include files via \input cmd
string inputfile = "";
try
{
//find input files using Regex
MatchCollection files = InputsRegex.Matches(job.code);
foreach (Match file in files)
{
//open, read, parse, and close each included file.
inputfile = file.Groups["file"].ToString();
if (File.Exists(inputfile))
{
StreamReader sr = new StreamReader(inputfile);
string inputcode = sr.ReadToEnd();
sr.Close();
Tikz_ParseTree tp2 = TikzParser.ParseInputFile(inputcode);
//if tp2 == null there probably was nothing useful included.
if (tp2 != null)
{
//every style that was found in included file, add it to parse tree of main file.
foreach (KeyValuePair <string, Tikz_Option> style in tp2.styles)
{
if (!Result.ParseTree.styles.ContainsKey(style.Key))
{
Result.ParseTree.styles.Add(style.Key, style.Value);
}
else
{
ParserException pe = new ParserException("");
TexOutputParser.TexError te = new TexOutputParser.TexError();
te.Message = "Style [" + style.Key + "] is defined multiple times. Check position " + style.Value.StartPosition() + " in " + inputfile + " and this definition.";
te.pos = Result.ParseTree.styles[style.Key].StartPosition();
te.severity = Severity.WARNING;
pe.e = te;
throw pe;
}
}
}
}
}
}
catch (Exception ex)
{
Result.Warning = ex;
Result.WarningSource = inputfile;
}
}
catch (Exception ex)
{
//never set e.Cancel = true;
//if you do, you cannot access e.Result from AsyncParser_RunWorkerCompleted.
Result.Error = ex;
Result.WarningSource = ShortFileName;
}
finally
{
e.Result = Result;
}
}
void AsyncParser_RunWorkerCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e)
{
AsyncParserResultType Result = e.Result as AsyncParserResultType;
if (Result == null)
{
throw new Exception("AsyncParser_RunWorkerCompleted() can only handle e.Result of type AsyncParserResultType!");
}
// in case of outdated parse -> ignore
if (Result.DocumentID != DocumentID)
{
return;
}
//check if error occurred
if (Result.Error != null && Result.Error is RecognitionException)
{
RecognitionException ex = Result.Error as RecognitionException;
string errmsg = ANTLRErrorMsg.ToString(ex, simpletikzParser.tokenNames);
MainWindow.AddStatusLine("Couldn't parse code. " + errmsg, true);
if (ex.Line == 0 && ex.CharPositionInLine == -1)
{
addProblemMarker(errmsg, Document.LineCount, 0, Severity.ERROR, ShortFileName);
}
else
{
addProblemMarker(errmsg, ex.Line, ex.CharPositionInLine, Severity.ERROR, ShortFileName);
}
ParseTree = null;
TikzStyles.Clear();
}
else if (Result.Error != null)
{
string errmsg = Result.Error.GetType().ToString();
if (Result.Error is Exception)
{
errmsg += ":" + ((Exception)Result.Error).Message;
}
MainWindow.AddStatusLine("Couldn't parse code. " + errmsg, true);
ParseTree = null;
TikzStyles.Clear();
}
else
{
// parsing succesfull
Tikz_ParseTree tp = Result.ParseTree as Tikz_ParseTree;
ParseTree = tp;
// if no other changes are pending, we can turn on editing again
AllowEditing = true;
// fill the style list
UpdateStyleList();
//now check if a warning occured. That would be a parser error in an included file.
if (Result.Warning != null && Result.Warning is RecognitionException)
{
RecognitionException ex = Result.Warning as RecognitionException;
string errmsg = ANTLRErrorMsg.ToString(ex, simpletikzParser.tokenNames);
MainWindow.AddStatusLine("Couldn't parse included file. " + errmsg, true);
if (ex.Line == 0 && ex.CharPositionInLine == -1)
{
addProblemMarker(errmsg, Document.LineCount, 0, Severity.WARNING, Result.WarningSource);
}
else
{
addProblemMarker(errmsg, ex.Line, ex.CharPositionInLine, Severity.WARNING, Result.WarningSource);
}
}
else if (Result.Warning != null && Result.Warning is ParserException)
{
ParserException pe = Result.Warning as ParserException;
addProblemMarker(this, pe.e);
}
else if (Result.Warning != null && Result.Warning is Exception)
{
string errmsg = ((Exception)Result.Warning).Message;
MainWindow.AddStatusLine("Couldn't parse included file " + Result.WarningSource + ". " + errmsg, true);
}
}
// Restart parser if necessary
ParseNeeded = ParseNeeded;
}
// Unfortunately, due to a debugger "bug", the exception has to be caught and transferred into a cancelled event
// this cancel event type is AsyncParserResultType. It is passed to AsyncParser_RunWorkerCompleted().
void AsyncParser_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
AsyncParserResultType Result = new AsyncParserResultType();
//make sure that double typed numbers are converted with decimal point (not comma!) to string
System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.CreateSpecificCulture("en-US");
try
{
AsyncParserJob job = e.Argument as AsyncParserJob;
Tikz_ParseTree tp = TikzParser.Parse(job.code);
Result.ParseTree = tp;
Result.DocumentID = job.DocumentID;
//include any styles from include files via \input cmd
string inputfile = "";
try
{
//find input files using Regex
Regex InputsRegex = new Regex(@"(^[^%]*|\n[^\n%]*?)\\input{(?<file>.*)}", RegexOptions.Compiled);
MatchCollection files = InputsRegex.Matches(job.code);
foreach (Match file in files)
{
//open, read, parse, and close each included file.
inputfile = file.Groups["file"].ToString();
if (File.Exists(inputfile))
{
StreamReader sr = new StreamReader(inputfile);
string inputcode = sr.ReadToEnd();
sr.Close();
Tikz_ParseTree tp2 = TikzParser.ParseInputFile(inputcode);
//if tp2 == null there probably was nothing useful included.
if (tp2 != null)
{
//every style that was found in included file, add it to parse tree of main file.
foreach (KeyValuePair<string, Tikz_Option> style in tp2.styles)
{
if(! Result.ParseTree.styles.ContainsKey(style.Key))
{
Result.ParseTree.styles.Add(style.Key, style.Value);
}
else
{
ParserException pe = new ParserException("");
TexOutputParser.TexError te = new TexOutputParser.TexError();
te.Message = "Style [" + style.Key + "] is defined multiple times. Check position " + style.Value.StartPosition() + " in " + inputfile + " and this definition.";
te.pos = Result.ParseTree.styles[style.Key].StartPosition();
te.severity = Severity.WARNING;
pe.e = te;
throw pe;
}
}
}
}
}
}
catch (Exception ex)
{
Result.Warning = ex;
Result.WarningSource = inputfile;
}
}
catch (Exception ex)
{
//never set e.Cancel = true;
//if you do, you cannot access e.Result from AsyncParser_RunWorkerCompleted.
Result.Error = ex;
Result.WarningSource = CurFile;
}
finally
{
e.Result = Result;
}
}
