private RedirectionAst RedirectionRule(RedirectionToken redirectionToken, RedirectionAst[] redirections, ref IScriptExtent extent)
{
RedirectionAst fileRedirectionAst;
string allStream;
FileRedirectionToken fileRedirectionToken = redirectionToken as FileRedirectionToken;
if (fileRedirectionToken != null || redirectionToken as InputRedirectionToken != null)
{
ExpressionAst singleCommandArgument = this.GetSingleCommandArgument(Parser.CommandArgumentContext.FileName);
if (singleCommandArgument == null)
{
this.ReportError(Parser.After(redirectionToken), ParserStrings.MissingFileSpecification, new object[0]);
singleCommandArgument = new ErrorExpressionAst(redirectionToken.Extent, null);
}
if (fileRedirectionToken != null)
{
fileRedirectionAst = new FileRedirectionAst(Parser.ExtentOf(fileRedirectionToken, singleCommandArgument), fileRedirectionToken.FromStream, singleCommandArgument, fileRedirectionToken.Append);
}
else
{
object[] text = new object[1];
text[0] = redirectionToken.Text;
this.ReportError(redirectionToken.Extent, ParserStrings.RedirectionNotSupported, text);
extent = Parser.ExtentOf(redirectionToken, singleCommandArgument);
return null;
}
}
else
{
MergingRedirectionToken mergingRedirectionToken = (MergingRedirectionToken)redirectionToken;
RedirectionStream fromStream = mergingRedirectionToken.FromStream;
RedirectionStream toStream = mergingRedirectionToken.ToStream;
if (toStream == RedirectionStream.Output)
{
if (fromStream == toStream)
{
object[] objArray = new object[1];
objArray[0] = mergingRedirectionToken.Text;
this.ReportError(redirectionToken.Extent, ParserStrings.RedirectionNotSupported, objArray);
}
}
else
{
object[] text1 = new object[1];
text1[0] = mergingRedirectionToken.Text;
this.ReportError(redirectionToken.Extent, ParserStrings.RedirectionNotSupported, text1);
toStream = RedirectionStream.Output;
}
fileRedirectionAst = new MergingRedirectionAst(mergingRedirectionToken.Extent, mergingRedirectionToken.FromStream, toStream);
}
if (redirections[(int)fileRedirectionAst.FromStream] != null)
{
RedirectionStream redirectionStream = fileRedirectionAst.FromStream;
if (redirectionStream == RedirectionStream.All)
{
allStream = ParserStrings.AllStream;
}
else if (redirectionStream == RedirectionStream.Output)
{
allStream = ParserStrings.OutputStream;
}
else if (redirectionStream == RedirectionStream.Error)
{
allStream = ParserStrings.ErrorStream;
}
else if (redirectionStream == RedirectionStream.Warning)
{
allStream = ParserStrings.WarningStream;
}
else if (redirectionStream == RedirectionStream.Verbose)
{
allStream = ParserStrings.VerboseStream;
}
else if (redirectionStream == RedirectionStream.Debug)
{
allStream = ParserStrings.DebugStream;
}
else if (redirectionStream == RedirectionStream.Host)
{
allStream = ParserStrings.HostStream;
}
else
{
throw PSTraceSource.NewArgumentOutOfRangeException("result.FromStream", (object)fileRedirectionAst.FromStream);
}
object[] objArray1 = new object[1];
objArray1[0] = allStream;
this.ReportError(fileRedirectionAst.Extent, ParserStrings.StreamAlreadyRedirected, objArray1);
}
else
{
redirections[(int)fileRedirectionAst.FromStream] = fileRedirectionAst;
}
extent = fileRedirectionAst.Extent;
return fileRedirectionAst;
}
private RedirectionAst RedirectionRule(RedirectionToken redirectionToken, RedirectionAst[] redirections, ref IScriptExtent extent)
{
//G redirections:
//G redirection
//G redirections redirection
//G redirection:
//G merging-redirection-operator
//G file-redirection-operator redirected-file-name
//G redirected-file-name:
//G command-argument
//G primary-expression
RedirectionAst result;
var fileRedirectionToken = redirectionToken as FileRedirectionToken;
if (fileRedirectionToken != null || (redirectionToken is InputRedirectionToken))
{
// get location
var filename = GetSingleCommandArgument(CommandArgumentContext.FileName);
if (filename == null)
{
// ErrorRecovery: Just pretend we have a filename and continue parsing.
ReportError(After(redirectionToken), () => ParserStrings.MissingFileSpecification);
filename = new ErrorExpressionAst(redirectionToken.Extent);
}
if (fileRedirectionToken == null)
{
// Must be an input redirection
ReportError(redirectionToken.Extent, () => ParserStrings.RedirectionNotSupported, redirectionToken.Text);
extent = ExtentOf(redirectionToken, filename);
return null;
}
result = new FileRedirectionAst(ExtentOf(fileRedirectionToken, filename), fileRedirectionToken.FromStream,
filename, fileRedirectionToken.Append);
}
else
{
var mergingRedirectionToken = (MergingRedirectionToken)redirectionToken;
RedirectionStream fromStream = mergingRedirectionToken.FromStream;
RedirectionStream toStream = mergingRedirectionToken.ToStream;
if (toStream != RedirectionStream.Output)
{
// Have we seen something like 1>&2 or 2>&3
// ErrorRecovery: This is just a semantic error, so no special recovery.
ReportError(redirectionToken.Extent, () => ParserStrings.RedirectionNotSupported, mergingRedirectionToken.Text);
toStream = RedirectionStream.Output;
}
else if (fromStream == toStream)
{
// Make sure 1>&1, 2>&2, etc. is an error.
// ErrorRecovery: This is just a semantic error, so no special recovery.
ReportError(redirectionToken.Extent, () => ParserStrings.RedirectionNotSupported, mergingRedirectionToken.Text);
}
result = new MergingRedirectionAst(mergingRedirectionToken.Extent, mergingRedirectionToken.FromStream, toStream);
}
if (redirections[(int)result.FromStream] == null)
{
redirections[(int)result.FromStream] = result;
}
else
{
string errorStream;
switch (result.FromStream)
{
case RedirectionStream.All: errorStream = ParserStrings.AllStream; break;
case RedirectionStream.Output: errorStream = ParserStrings.OutputStream; break;
case RedirectionStream.Error: errorStream = ParserStrings.ErrorStream; break;
case RedirectionStream.Warning: errorStream = ParserStrings.WarningStream; break;
case RedirectionStream.Verbose: errorStream = ParserStrings.VerboseStream; break;
case RedirectionStream.Debug: errorStream = ParserStrings.DebugStream; break;
case RedirectionStream.Information: errorStream = ParserStrings.InformationStream; break;
default:
throw PSTraceSource.NewArgumentOutOfRangeException("result.FromStream", result.FromStream);
}
ReportError(result.Extent, () => ParserStrings.StreamAlreadyRedirected, errorStream);
}
extent = result.Extent;
return result;
}