public static SyntaxToken MissingToken(SyntaxKind kind, SyntaxList<SyntaxNode> precedingTrivia = default(SyntaxList<SyntaxNode>))
{
switch (kind)
{
case SyntaxKind.LessThanQuestionToken:
case SyntaxKind.XmlKeyword:
case SyntaxKind.LessThanToken:
case SyntaxKind.LessThanGreaterThanToken:
case SyntaxKind.LessThanSlashToken:
case SyntaxKind.BeginCDataToken:
case SyntaxKind.LessThanExclamationMinusMinusToken:
case SyntaxKind.LessThanPercentEqualsToken:
case SyntaxKind.SlashToken:
case SyntaxKind.GreaterThanToken:
case SyntaxKind.EqualsToken:
case SyntaxKind.SingleQuoteToken:
case SyntaxKind.DoubleQuoteToken:
case SyntaxKind.QuestionGreaterThanToken:
case SyntaxKind.OpenParenToken:
case SyntaxKind.CloseParenToken:
case SyntaxKind.ColonToken:
case SyntaxKind.SlashGreaterThanToken:
case SyntaxKind.EndCDataToken:
case SyntaxKind.MinusMinusGreaterThanToken:
return MissingPunctuation(kind, precedingTrivia.Node);
case SyntaxKind.XmlNameToken:
return SyntaxFactory.XmlNameToken("", null, null);
default:
break;
}
throw new InvalidOperationException();
}
public XmlStringSyntax(SyntaxKind kind, PunctuationSyntax startQuoteToken, SyntaxList<SyntaxNode> textTokens, PunctuationSyntax endQuoteToken)
: base(kind)
{
this.StartQuoteToken = startQuoteToken;
this.TextTokens = textTokens;
this.EndQuoteToken = endQuoteToken;
this.SlotCount = 3;
}
public static XmlDocumentSyntax XmlDocument(
XmlDeclarationSyntax prologue,
SyntaxList<SyntaxNode> precedingMisc,
XmlNodeSyntax body,
SyntaxList<XmlNodeSyntax> followingMisc,
SyntaxToken eof)
{
return new XmlDocumentSyntax(SyntaxKind.XmlDocument, prologue, precedingMisc.Node, body, followingMisc.Node, eof);
}
public XmlProcessingInstructionSyntax(
PunctuationSyntax beginProcessingInstruction,
XmlNameTokenSyntax name,
SyntaxList<SyntaxNode> toList,
PunctuationSyntax endProcessingInstruction)
: base(SyntaxKind.XmlProcessingInstruction)
{
LessThanQuestionToken = beginProcessingInstruction;
Name = name;
TextTokens = toList.Node;
QuestionGreaterThanToken = endProcessingInstruction;
SlotCount = 4;
}
private XmlTextTokenSyntax XmlMakeTextLiteralToken(SyntaxList<SyntaxNode> precedingTrivia, int TokenWidth, StringBuilder Scratch)
{
Debug.Assert(TokenWidth > 0);
var text = GetText(TokenWidth);
var value = _stringTable.Add(Scratch);
Scratch.Clear();
return SyntaxFactory.XmlTextLiteralToken(text, value, precedingTrivia.Node, null);
}
private PunctuationSyntax XmlMakeRightParenToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar();
var followingTrivia = ScanXmlWhitespace();
return MakePunctuationToken(SyntaxKind.CloseParenToken, ")", precedingTrivia, followingTrivia);
}
private XmlTextTokenSyntax XmlMakeProcessingInstructionToken(SyntaxList<SyntaxNode> precedingTrivia, int TokenWidth)
{
Debug.Assert(TokenWidth > 0);
var text = GetText(TokenWidth); // was GetTextNotInterned
return SyntaxFactory.XmlTextLiteralToken(text, text, precedingTrivia.Node, null);
}
private SyntaxToken XmlMakeLessToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar();
var followingTrivia = ScanXmlWhitespace();
return MakePunctuationToken(SyntaxKind.LessThanToken, "<", precedingTrivia, followingTrivia);
}
private SyntaxToken XmlMakeEqualsToken(SyntaxList<SyntaxNode> leadingTrivia)
{
AdvanceChar();
var followingTrivia = ScanXmlWhitespace();
return MakePunctuationToken(SyntaxKind.EqualsToken, "=", leadingTrivia, followingTrivia);
}
private PunctuationSyntax XmlMakeEndProcessingInstructionToken(
SyntaxList<SyntaxNode> precedingTrivia)
{
Debug.Assert(PeekChar() == '?');
Debug.Assert(PeekAheadChar(1) == '>');
AdvanceChar(2);
return MakePunctuationToken(
SyntaxKind.QuestionGreaterThanToken,
"?>",
precedingTrivia,
null);
}
private PunctuationSyntax XmlMakeBeginCommentToken(SyntaxList<SyntaxNode> precedingTrivia, Func<SyntaxList<SyntaxNode>> scanTrailingTrivia)
{
Debug.Assert(PeekChar() == '<');
Debug.Assert(PeekAheadChar(1) == '!');
Debug.Assert(PeekAheadChar(2) == '-');
Debug.Assert(PeekAheadChar(3) == '-');
AdvanceChar(4);
var followingTrivia = scanTrailingTrivia();
return MakePunctuationToken(SyntaxKind.LessThanExclamationMinusMinusToken, "<!--", precedingTrivia, followingTrivia);
}
private SyntaxToken XmlMakeBeginCDataToken(
SyntaxList<SyntaxNode> leadingTrivia,
Func<SyntaxList<SyntaxNode>> scanTrailingTrivia)
{
Debug.Assert(PeekChar() == '<');
Debug.Assert(PeekAheadChar(1) == '!');
Debug.Assert(PeekAheadChar(2) == '[');
Debug.Assert(PeekAheadChar(3) == 'C');
Debug.Assert(PeekAheadChar(4) == 'D');
Debug.Assert(PeekAheadChar(5) == 'A');
Debug.Assert(PeekAheadChar(6) == 'T');
Debug.Assert(PeekAheadChar(7) == 'A');
Debug.Assert(PeekAheadChar(8) == '[');
AdvanceChar(9);
var followingTrivia = scanTrailingTrivia();
return MakePunctuationToken(
SyntaxKind.BeginCDataToken,
"<![CDATA[",
leadingTrivia,
followingTrivia);
}
private BadTokenSyntax XmlMakeBadToken(SyntaxSubKind subkind, SyntaxList<SyntaxNode> precedingTrivia, int length, ERRID id)
{
var spelling = GetText(length);
var followingTrivia = ScanXmlWhitespace();
var result1 = SyntaxFactory.BadToken(subkind, spelling, precedingTrivia.Node, followingTrivia);
DiagnosticInfo diagnostic;
switch (id)
{
case ERRID.ERR_IllegalXmlStartNameChar:
case ERRID.ERR_IllegalXmlNameChar:
Debug.Assert(length == 1);
if (id == ERRID.ERR_IllegalXmlNameChar && (precedingTrivia.Any() || PrevToken == null || PrevToken.HasTrailingTrivia || PrevToken.Kind == SyntaxKind.LessThanToken || PrevToken.Kind == SyntaxKind.LessThanSlashToken || PrevToken.Kind == SyntaxKind.LessThanQuestionToken))
{
id = ERRID.ERR_IllegalXmlStartNameChar;
}
var xmlCh = spelling[0];
var xmlChAsUnicode = UTF16ToUnicode(new XmlCharResult(xmlCh));
diagnostic = ErrorFactory.ErrorInfo(id, xmlCh, string.Format("&H{0:X}", xmlChAsUnicode));
break;
default:
diagnostic = ErrorFactory.ErrorInfo(id);
break;
}
var errResult1 = ((BadTokenSyntax)result1.SetDiagnostics(new[]
{
diagnostic
}));
Debug.Assert(errResult1 != null);
return errResult1;
}
private BadTokenSyntax XmlMakeBadToken(SyntaxList<SyntaxNode> precedingTrivia, int length, ERRID id)
{
return XmlMakeBadToken(SyntaxSubKind.None, precedingTrivia, length, id);
}
private XmlTextTokenSyntax XmlMakeAmpLiteralToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar(5); // "&".Length
return precedingTrivia.Node == null ? _xmlAmpToken : SyntaxFactory.XmlEntityLiteralToken("&", "&", precedingTrivia.Node, null);
}
private PunctuationSyntax XmlMakeEndCommentToken(SyntaxList<SyntaxNode> precedingTrivia)
{
Debug.Assert(PeekChar() == '-');
Debug.Assert(PeekAheadChar(1) == '-');
Debug.Assert(PeekAheadChar(2) == '>');
AdvanceChar(3);
return MakePunctuationToken(SyntaxKind.MinusMinusGreaterThanToken, "-->", precedingTrivia, null);
}
private SyntaxToken XmlMakeEndEmptyElementToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar(2);
return MakePunctuationToken(SyntaxKind.SlashGreaterThanToken, "/>", precedingTrivia, null);
}
private SyntaxToken XmlMakeBeginDTDToken(SyntaxList<SyntaxNode> precedingTrivia)
{
return XmlMakeBadToken(SyntaxSubKind.BeginDocTypeToken, precedingTrivia, 9, ERRID.ERR_DTDNotSupported);
}
private XmlTextTokenSyntax XmlMakeEntityLiteralToken(SyntaxList<SyntaxNode> precedingTrivia, int tokenWidth, string value)
{
return SyntaxFactory.XmlEntityLiteralToken(GetText(tokenWidth), value, precedingTrivia.Node, null);
}
private PunctuationSyntax XmlMakeBeginEndElementToken(
SyntaxList<SyntaxNode> precedingTrivia,
Func<SyntaxList<SyntaxNode>> scanTrailingTrivia)
{
Debug.Assert(PeekChar() == '<');
Debug.Assert(PeekAheadChar(1) == '/');
AdvanceChar(2);
var followingTrivia = scanTrailingTrivia();
return MakePunctuationToken(
SyntaxKind.LessThanSlashToken,
"</",
precedingTrivia,
followingTrivia);
}
private SyntaxToken XmlMakeGreaterToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar();
// Note: > does not consume following trivia
return MakePunctuationToken(SyntaxKind.GreaterThanToken, ">", precedingTrivia, null);
}
private PunctuationSyntax XmlMakeBeginProcessingInstructionToken(SyntaxList<SyntaxNode> precedingTrivia, Func<SyntaxList<SyntaxNode>> scanTrailingTrivia)
{
Debug.Assert(PeekChar() == '<');
Debug.Assert(PeekAheadChar(1) == '?');
AdvanceChar(2);
var followingTrivia = scanTrailingTrivia();
return MakePunctuationToken(SyntaxKind.LessThanQuestionToken, "<?", precedingTrivia, followingTrivia);
}
private BadTokenSyntax XmlMakeOpenBracketToken(ScannerState state, SyntaxList<SyntaxNode> precedingTrivia)
{
Debug.Assert(PeekChar() == '[');
return XmlMakeBadToken(
SyntaxSubKind.OpenBracketToken,
precedingTrivia,
1,
state == ScannerState.DocType ?
ERRID.ERR_DTDNotSupported :
ERRID.ERR_IllegalXmlNameChar);
}
private XmlTextTokenSyntax XmlMakeCDataToken(SyntaxList<SyntaxNode> precedingTrivia, int TokenWidth, StringBuilder scratch)
{
return XmlMakeTextLiteralToken(precedingTrivia, TokenWidth, scratch);
}
private XmlTextTokenSyntax XmlMakeQuotLiteralToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar(6); // """.Length
return precedingTrivia.Node == null ? _xmlQuotToken : SyntaxFactory.XmlEntityLiteralToken(""", "\"", precedingTrivia.Node, null);
}
private XmlTextTokenSyntax XmlMakeCommentToken(SyntaxList<SyntaxNode> precedingTrivia, int TokenWidth)
{
Debug.Assert(TokenWidth > 0);
var text = GetText(TokenWidth); // GetTextNotInterned() in the original
return SyntaxFactory.XmlTextLiteralToken(text, text, precedingTrivia.Node, null);
}
private SyntaxToken XmlMakeSingleQuoteToken(
SyntaxList<SyntaxNode> leadingTrivia,
char spelling,
bool isOpening)
{
Debug.Assert(PeekChar() == spelling);
AdvanceChar();
SyntaxNode followingTrivia = null;
if (!isOpening)
{
var ws = ScanXmlWhitespace();
followingTrivia = ws;
}
return MakePunctuationToken(
SyntaxKind.SingleQuoteToken,
Intern(spelling),
leadingTrivia,
followingTrivia);
}
private PunctuationSyntax XmlMakeDivToken(SyntaxList<SyntaxNode> precedingTrivia)
{
AdvanceChar();
var followingTrivia = ScanXmlWhitespace();
return MakePunctuationToken(SyntaxKind.SlashToken, "/", precedingTrivia, followingTrivia);
}
private SyntaxToken XmlMakeTextLiteralToken(
SyntaxList<SyntaxNode> leadingTrivia,
int tokenWidth,
ERRID eRR_XmlEndCDataNotAllowedInContent)
{
var text = GetText(tokenWidth);
return (SyntaxToken)SyntaxFactory
.XmlTextLiteralToken(text, text, leadingTrivia.Node, null)
.SetDiagnostics(ErrorFactory.ErrorInfo(eRR_XmlEndCDataNotAllowedInContent));
}
private PunctuationSyntax XmlMakeEndCDataToken(SyntaxList<SyntaxNode> precedingTrivia)
{
Debug.Assert(PeekChar() == ']');
Debug.Assert(PeekAheadChar(1) == ']');
Debug.Assert(PeekAheadChar(2) == '>');
AdvanceChar(3);
return MakePunctuationToken(SyntaxKind.EndCDataToken, "]]>", precedingTrivia, null);
}