本文整理汇总了C#中Irony.Parsing.ParsingContext.CreateErrorToken方法的典型用法代码示例。如果您正苦于以下问题：C# ParsingContext.CreateErrorToken方法的具体用法？C# ParsingContext.CreateErrorToken怎么用？C# ParsingContext.CreateErrorToken使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Irony.Parsing.ParsingContext的用法示例。
在下文中一共展示了ParsingContext.CreateErrorToken方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: MatchQuoted
private Token MatchQuoted(ParsingContext context, ISourceStream source)
{
char quoteChar = source.PreviewChar;
if ((quoteChar != '\'') && (quoteChar != '"'))
{
return null;
}
source.PreviewPosition++;
while (!source.EOF())
{
if (source.PreviewChar == quoteChar)
{
source.PreviewPosition++;
return source.CreateToken(this.OutputTerminal);
}
// Escaped?
if (source.PreviewChar == '\\')
{
// Consume next
++source.PreviewPosition;
}
source.PreviewPosition++;
}
return context.CreateErrorToken("Unbalanced quoted string");
}示例2: TryMatch
public override Token TryMatch(ParsingContext context, ISourceStream source)
{
Token result;
if (context.VsLineScanState.Value != 0)
{
byte commentLevel = context.VsLineScanState.TokenSubType;
result = CompleteMatch(context, source, commentLevel);
}
else
{
byte commentLevel = 0;
if (!BeginMatch(context, source, ref commentLevel))
return null;
result = CompleteMatch(context, source, commentLevel);
}
if (result != null)
return result;
if (context.Mode == ParseMode.VsLineScan)
return CreateIncompleteToken(context, source);
return context.CreateErrorToken("unclosed comment");
}示例3: TryMatch
public override Token TryMatch(ParsingContext context, ISourceStream source)
{
while (!source.EOF())
{
switch (source.PreviewChar)
{
case '\n':
case '\r':
case ' ':
case '}':
if (source.PreviewPosition > source.Position)
return source.CreateToken(this.OutputTerminal);
return context.CreateErrorToken(Name + " was expected");
}
source.PreviewPosition++;
}
return context.CreateErrorToken("Unbalanced " + Name);
}示例4: TryMatch
public override Token TryMatch(ParsingContext context, ISourceStream source) {
try {
var textValue = ReadBody(context, source);
if (textValue == null) return null;
var value = ConvertValue(context, textValue);
return source.CreateToken(this.OutputTerminal, value);
} catch(Exception ex) {
//we throw exception in DsvLiteral when we cannot find a closing quote for quoted value
return context.CreateErrorToken(ex.Message);
}
}//method示例5: TryMatch
public override Token TryMatch(ParsingContext context, ISourceStream source) {
Token result;
if (context.VsLineScanState.Value != 0) {
// we are continuing in line mode - restore internal env (none in this case)
context.VsLineScanState.Value = 0;
} else {
//we are starting from scratch
if (!BeginMatch(context, source)) return null;
}
result = CompleteMatch(context, source);
if (result != null) return result;
//if it is LineComment, it is ok to hit EOF without final line-break; just return all until end.
if (_isLineComment)
return source.CreateToken(this.OutputTerminal);
if (context.Mode == ParseMode.VsLineScan)
return CreateIncompleteToken(context, source);
return context.CreateErrorToken(Resources.ErrUnclosedComment);
}示例6: TryMatch
public override Token TryMatch(ParsingContext context, ISourceStream source) {
// Quick check
var lookAhead = source.PreviewChar;
var startIndex = _startSymbolsFirsts.IndexOf(lookAhead);
if (startIndex < 0)
return null;
// Match start symbols
if (!BeginMatch(source, startIndex, lookAhead))
return null;
// Match NewLine
var result = CompleteMatch(source);
if (result != null)
return result;
// Report an error
return context.CreateErrorToken(Resources.ErrNewLineExpected);
}示例7: TryMatchContentSimple
private Token TryMatchContentSimple(ParsingContext context, ISourceStream source) {
var startPos = source.PreviewPosition;
var termLen = _singleTerminator.Length;
var stringComp = Grammar.CaseSensitive ? StringComparison.InvariantCulture : StringComparison.InvariantCultureIgnoreCase;
int termPos = source.Text.IndexOf(_singleTerminator, startPos, stringComp);
if (termPos < 0 && IsSet(FreeTextOptions.AllowEof))
termPos = source.Text.Length;
if (termPos < 0)
return context.CreateErrorToken(Resources.ErrFreeTextNoEndTag, _singleTerminator);
var textEnd = termPos;
if (IsSet(FreeTextOptions.IncludeTerminator))
textEnd += termLen;
var tokenText = source.Text.Substring(startPos, textEnd - startPos);
if (string.IsNullOrEmpty(tokenText) && (this.FreeTextOptions & Parsing.FreeTextOptions.AllowEmpty) == 0)
return null;
// The following line is a fix submitted by user rmcase
source.PreviewPosition = IsSet(FreeTextOptions.ConsumeTerminator) ? termPos + termLen : termPos;
return source.CreateToken(this.OutputTerminal, tokenText);
}示例8: MatchUnquoted
private Token MatchUnquoted(ParsingContext context, ISourceStream source)
{
if (source.PreviewChar == '{')
{
// Member names can't start with {
if (this.IsMemberName)
{
return null;
}
// Check for special {} at start of token indicating that this is a STRING token.
if (source.NextPreviewChar != '}')
{
return null;
}
source.PreviewPosition += 2;
}
var runningBraceTotal = 0;
// This variable tracks the position of the last non whitespace (or significant whitespace).
var lastNonWhitespacePosition = source.PreviewPosition;
while (!source.EOF())
{
bool isWhiteSpace = false;
switch (source.PreviewChar)
{
case '{':
runningBraceTotal++;
break;
case '}':
if (--runningBraceTotal < 0)
{
return this.CreateToken(source, lastNonWhitespacePosition);
}
break;
case ',':
if (runningBraceTotal == 0)
{
return this.CreateToken(source, lastNonWhitespacePosition);
}
break;
case '=':
if (runningBraceTotal == 0)
{
// Equal sign. Only allowed after MemberNames.
return this.IsMemberName
? this.CreateToken(source, lastNonWhitespacePosition)
: null;
}
break;
case '\\':
source.PreviewPosition++;
break;
default:
isWhiteSpace = Char.IsWhiteSpace(source.PreviewChar);
break;
}
source.PreviewPosition++;
if (!isWhiteSpace)
{
lastNonWhitespacePosition = source.PreviewPosition;
}
}
return context.CreateErrorToken("Unterminated string terminal");
}