public bool TryEnsuringSymbolMapping(SyntaxNode syntax, out SymbolMetadata associatedSymbolMetadata)
{
associatedSymbolMetadata = null;
var identifierSymbol = Model.GetSymbolInfo(syntax).Symbol ?? Model.GetDeclaredSymbol(syntax);
if (identifierSymbol == null || identifierSymbol is INamespaceSymbol || _encounteredSymbolsNotInSource.Contains(identifierSymbol))
{
return false;
}
if (TryGettingSymbolMetadata(identifierSymbol, out associatedSymbolMetadata))
{
return true;
}
var declaredInSource = TryGeneratingSymbolMetadata(identifierSymbol, syntax, out associatedSymbolMetadata);
if (!declaredInSource)
{
_encounteredSymbolsNotInSource.Add(identifierSymbol);
return false;
}
_symbolToAssignedId[identifierSymbol] = associatedSymbolMetadata.Id;
_symbolIdToMetadata[associatedSymbolMetadata.Id] = associatedSymbolMetadata;
return true;
}
private bool TryGeneratingSymbolMetadata(ISymbol symbol, SyntaxNode syntax, out SymbolMetadata generatedSymbolMetadata)
{
generatedSymbolMetadata = null;
var filePathsOfSourceDeclarations = symbol
.Locations
.Where(location => location.IsInSource)
.Select(location => location.GetLineSpan().Path)
.Select(path => CurrentProject.GetRelativePathToFile(path))
.ToArray();
if (!filePathsOfSourceDeclarations.Any())
{
return(false);
}
var assignedSymbolId = Guid.NewGuid().ToString("N");
generatedSymbolMetadata = new SymbolMetadata(
assignedSymbolId,
symbol.MetadataName,
filePathsOfSourceDeclarations,
symbol.Kind);
return(true);
}
public bool TryEnsuringSymbolMapping(SyntaxNode syntax, out SymbolMetadata associatedSymbolMetadata)
{
associatedSymbolMetadata = null;
var identifierSymbol = Model.GetSymbolInfo(syntax).Symbol ?? Model.GetDeclaredSymbol(syntax);
if (identifierSymbol == null || identifierSymbol is INamespaceSymbol || _encounteredSymbolsNotInSource.Contains(identifierSymbol))
{
return(false);
}
if (TryGettingSymbolMetadata(identifierSymbol, out associatedSymbolMetadata))
{
return(true);
}
var declaredInSource = TryGeneratingSymbolMetadata(identifierSymbol, syntax, out associatedSymbolMetadata);
if (!declaredInSource)
{
_encounteredSymbolsNotInSource.Add(identifierSymbol);
return(false);
}
_symbolToAssignedId[identifierSymbol] = associatedSymbolMetadata.Id;
_symbolIdToMetadata[associatedSymbolMetadata.Id] = associatedSymbolMetadata;
return(true);
}
private static bool TryGettingSymbolMetadata(ISymbol symbol, out SymbolMetadata metadata)
{
metadata = null;
string symbolId;
if (!_symbolToAssignedId.TryGetValue(symbol, out symbolId))
{
return false;
}
metadata = _symbolIdToMetadata[symbolId];
return true;
}
private static bool TryGettingSymbolMetadata(ISymbol symbol, out SymbolMetadata metadata)
{
metadata = null;
string symbolId;
if (!_symbolToAssignedId.TryGetValue(symbol, out symbolId))
{
return(false);
}
metadata = _symbolIdToMetadata[symbolId];
return(true);
}
// TODO: Extract as extension method
public SymbolSyntaxElement(SyntaxToken token, SymbolMetadata metadata)
: base(token, SyntaxElementKind.Identifier)
{
TrackingId = metadata.Id;
SymbolKind = metadata.SymbolKind;
}
private bool TryGeneratingSymbolMetadata(ISymbol symbol, SyntaxNode syntax, out SymbolMetadata generatedSymbolMetadata)
{
generatedSymbolMetadata = null;
var filePathsOfSourceDeclarations = symbol
.Locations
.Where(location => location.IsInSource)
.Select(location => location.GetLineSpan().Path)
.Select(path => CurrentProject.GetRelativePathToFile(path))
.ToArray();
if (!filePathsOfSourceDeclarations.Any())
{
return false;
}
var assignedSymbolId = Guid.NewGuid().ToString("N");
generatedSymbolMetadata = new SymbolMetadata(
assignedSymbolId,
symbol.MetadataName,
filePathsOfSourceDeclarations,
symbol.Kind);
return true;
}
