/// <summary>
/// Return zero or more locations in primary source documents that correspond to one or more of the given derived (non primary) document locations.
/// </summary>
/// <param name="locations">Zero or more locations in documents that have been derived from one or more source documents.</param>
public IEnumerable <IPrimarySourceLocation> GetPrimarySourceLocationsFor(IEnumerable <ILocation> locations)
{
foreach (ILocation location in locations)
{
IPrimarySourceLocation /*?*/ psloc = location as IPrimarySourceLocation;
if (psloc != null)
{
yield return(psloc);
}
IILLocation /*?*/ mbLocation = location as IILLocation;
if (mbLocation != null)
{
psloc = this.MapMethodBodyLocationToSourceLocation(mbLocation, true);
if (psloc != null)
{
yield return(psloc);
}
}
else
{
var mdLocation = location as IMetadataLocation;
if (mdLocation != null)
{
PdbTokenLine lineInfo;
if (!this.tokenToSourceMapping.TryGetValue(mdLocation.Definition.TokenValue, out lineInfo))
{
yield break;
}
PdbSourceDocument psDoc = this.GetPrimarySourceDocumentFor(lineInfo.sourceFile);
yield return(new PdbSourceLineLocation(psDoc, (int)lineInfo.line, (int)lineInfo.column, (int)lineInfo.endLine, (int)lineInfo.endColumn));
}
}
}
}
private IEnumerable <IPrimarySourceLocation> MapMethodBodyLocationToSourceLocations(IILLocation mbLocation)
{
PdbFunction pdbFunction = null;
var doc = mbLocation.Document as MethodBodyDocument;
if (doc == null || !this.pdbFunctionMap.TryGetValue(doc.MethodToken, out pdbFunction))
{
yield break;
}
if (pdbFunction.lines == null)
{
yield break;
}
foreach (PdbLines pdbLines in pdbFunction.lines)
{
foreach (var pdbLine in pdbLines.lines)
{
PdbSource pdbSourceFile = pdbLines.file;
if (pdbSourceFile == null)
{
continue;
}
PdbSourceDocument psDoc = this.GetPrimarySourceDocumentFor(pdbSourceFile);
yield return(new PdbSourceLineLocation(psDoc, (int)pdbLine.lineBegin, pdbLine.colBegin, (int)pdbLine.lineEnd, pdbLine.colEnd));
}
}
}
/// <summary>
/// Allocates a range of source text that corresponds to a source line.
/// </summary>
internal PdbSourceLineLocation(PdbSourceDocument primarySourceDocument, int startLine, int startColumn, int endLine, int endColumn)
{
this.primarySourceDocument = primarySourceDocument;
this.startLine = startLine;
this.startColumn = startColumn;
this.endLine = endLine;
this.endColumn = endColumn;
}
private IPrimarySourceLocation /*?*/ MapMethodBodyLocationToSourceLocation(IILLocation mbLocation, bool exact)
{
PdbFunction pdbFunction;
var doc = mbLocation.Document as MethodBodyDocument;
if (doc == null || !this.pdbFunctionMap.TryGetValue(doc.MethodToken, out pdbFunction))
{
return(null);
}
if (pdbFunction.lines == null)
{
return(null);
}
foreach (PdbLines pdbLines in pdbFunction.lines)
{
PdbSource pdbSourceFile = pdbLines.file;
if (pdbSourceFile == null)
{
return(null);
}
PdbLine[] array = pdbLines.lines;
int minIndex = 0;
int maxIndex = array.Length - 1;
uint desiredOffset = mbLocation.Offset;
while (minIndex <= maxIndex)
{
int midPointIndex = (minIndex + maxIndex) >> 1;
PdbLine mid = array[midPointIndex];
if (midPointIndex == maxIndex ||
(mid.offset <= desiredOffset && desiredOffset < array[midPointIndex + 1].offset))
{
if (exact && desiredOffset != mid.offset)
{
return(null);
}
PdbLine line = mid;
PdbSourceDocument psDoc = this.GetPrimarySourceDocumentFor(pdbSourceFile);
return(new PdbSourceLineLocation(psDoc, (int)line.lineBegin, line.colBegin, (int)line.lineEnd, line.colEnd));
}
if (mid.offset < desiredOffset)
{
minIndex = midPointIndex + 1;
}
else
{
maxIndex = midPointIndex - 1;
}
}
}
return(null);
}
/// <summary>
/// Returns zero or more locations in primary source documents that correspond to the definition with the given token.
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public IEnumerable <IPrimarySourceLocation> GetPrimarySourceLocationsForToken(uint token)
{
PdbTokenLine lineInfo;
if (!this.tokenToSourceMapping.TryGetValue(token, out lineInfo))
{
yield break;
}
PdbSourceDocument psDoc = this.GetPrimarySourceDocumentFor(lineInfo.sourceFile);
yield return(new PdbSourceLineLocation(psDoc, (int)lineInfo.line, (int)lineInfo.column, (int)lineInfo.endLine, (int)lineInfo.endColumn));
}
private PdbSourceDocument GetPrimarySourceDocumentFor(PdbSource pdbSourceFile)
{
PdbSourceDocument /*?*/ result = null;
if (this.documentCache.TryGetValue(pdbSourceFile, out result))
{
return(result);
}
IName name = this.host.NameTable.GetNameFor(Path.GetFileName(pdbSourceFile.name));
if (File.Exists(pdbSourceFile.name))
{
var sourceFileReader = new StreamReader(pdbSourceFile.name);
this.sourceFilesOpenedByReader.Add(sourceFileReader);
result = new PdbSourceDocument(name, pdbSourceFile, sourceFileReader);
}
else
{
result = new PdbSourceDocument(name, pdbSourceFile);
}
this.documentCache.Add(pdbSourceFile, result);
return(result);
}
