public CompressedState(Lexer lexer)
{
this._hereDocLabel = lexer._hereDocLabel;
this._currentState = lexer.CurrentLexicalState;
this._stateStack = lexer.stateStack.ToArray();
this._phpDoc = lexer.DocBlock;
}
void SaveDocComment(int extend)
{
if (backupDocBlock != null)
{
_phpDocs.AppendBlock(backupDocBlock, extend);
backupDocBlock = null;
}
}
/// <summary>
/// Get next token and store its actual position in the source unit.
/// This implementation supports the functionality of zendlex, which skips empty nodes (open tag, comment, etc.).
/// </summary>
/// <returns>Next token.</returns>
public int GetNextToken()
{
int docBlockExtend = -1;
for (; ;)
{
Tokens token = (Tokens)_provider.GetNextToken();
// origianl zendlex() functionality - skip open and close tags because they are not in the PHP grammar
switch (token)
{
case Tokens.T_DOC_COMMENT:
SaveDocComment(docBlockExtend);
backupDocBlock = _provider.DocBlock;
docBlockExtend = TokenPosition.End;
continue;
case Tokens.T_WHITESPACE:
case Tokens.T_COMMENT:
docBlockExtend = TokenPosition.End;
continue;
case Tokens.T_OPEN_TAG:
continue;
case Tokens.T_CLOSE_TAG:
token = Tokens.T_SEMI; /* implicit ; */
break;
case Tokens.T_OPEN_TAG_WITH_ECHO:
token = Tokens.T_ECHO;
break;
case Tokens.T_FN:
if (!HasFeatureSet(LanguageFeatures.Php74Set))
{
token = Tokens.T_STRING;
}
break;
//case Tokens.T_MATCH:
// if (!HasFeatureSet(LanguageFeatures.Php80Set))
// {
// token = Tokens.T_STRING;
// }
// break;
}
SaveDocComment(docBlockExtend);
return((int)token);
}
}
/// <summary>
/// Finds DOC comment above given position, removes it from the internal list and returns its reference.
/// </summary>
public bool TryReleaseIndexedBlock(int index, out PHPDocBlock phpdoc)
{
if (index >= 0 && index < _doclist.Count)
{
var list = _doclist;
phpdoc = list[index].PhpDoc;
list.RemoveAt(index);
this.UpdateSpan();
//
return(true);
}
//
phpdoc = null;
return(false);
}
/// <summary>
/// Get next token and store its actual position in the source unit.
/// This implementation supports the functionality of zendlex, which skips empty nodes (open tag, comment, etc.).
/// </summary>
/// <returns>Next token.</returns>
public int GetNextToken()
{
int docBlockExtend = -1;
do
{
Tokens token = (Tokens)_provider.GetNextToken();
// origianl zendlex() functionality - skip open and close tags because they are not in the PHP grammar
switch (token)
{
case Tokens.T_DOC_COMMENT:
SaveDocComment(docBlockExtend);
backupDocBlock = _provider.DocBlock;
docBlockExtend = TokenPosition.End;
continue;
case Tokens.T_WHITESPACE:
case Tokens.T_COMMENT:
docBlockExtend = TokenPosition.End;
continue;
case Tokens.T_OPEN_TAG:
continue;
case Tokens.T_CLOSE_TAG:
token = Tokens.T_SEMI; /* implicit ; */
break;
case Tokens.T_OPEN_TAG_WITH_ECHO:
token = Tokens.T_ECHO;
break;
}
SaveDocComment(docBlockExtend);
return((int)token);
} while (true);
}
/// <summary>
/// Inserts DOC block into the list.
/// </summary>
public void AppendBlock(PHPDocBlock /*!*/ phpDoc, int endPosition)
{
Debug.Assert(phpDoc != null);
Debug.Assert(endPosition >= phpDoc.Span.End);
Debug.Assert(_doclist == null || _doclist.Count == 0 || _doclist.Last().Extent.Start < phpDoc.Span.Start, "Blocks have to be appended in order.");
var docinfo = new DocInfo()
{
PhpDoc = phpDoc,
Extent = Span.FromBounds(phpDoc.Span.Start, endPosition)
};
var list = _doclist;
if (list == null)
{
_doclist = list = new List <DocInfo>(4);
}
list.Add(docinfo);
_span = Span.FromBounds(list[0].Extent.Start, list.Last().Extent.End);
}
public override void VisitPHPDocBlock(PHPDocBlock x)
{
// ignore
}
virtual public void VisitPHPDocBlock(PHPDocBlock x)
{
// nothing
}
/// <summary>
/// Finds DOC comment inside given position, removes it from the internal list and returns its reference.
/// </summary>
public bool TryReleaseBlock(Span position, out PHPDocBlock phpdoc)
{
var index = FindFirstIn(_doclist, position);
return(TryReleaseIndexedBlock(index, out phpdoc));
}
/// <summary>
/// Finds DOC comment above given position, removes it from the internal list and returns its reference.
/// </summary>
public bool TryReleaseBlock(int position, out PHPDocBlock phpdoc)
{
var index = this.FindIndex(position - 1);
return(TryReleaseIndexedBlock(index, out phpdoc));
}
void SetDocBlock() => DocBlock = new PHPDocBlock(GetTokenString(intern: false), new Span(_charOffset, this.TokenLength)); // TokenPosition is not updated yet at this point void ResetDocBlock() => DocBlock = null;
void SetDocBlock() => DocBlock = new PHPDocBlock(GetTokenString(intern: false), new Span(_charOffset, this.TokenLength)); // TokenPosition is not updated yet at this point
