private static StatementRange MapBlockSyntax(TextSpan span, SyntaxNode node)
{
var block = (BlockSyntax)node;
bool start = Math.Abs(block.SpanStart - span.Start) < Math.Abs(block.Span.End - span.Start);
Location location = block.GetLocation();
FileLinePositionSpan mapped = location.GetMappedLineSpan();
if (start)
{
return(new StatementRange
{
StartLine = mapped.StartLinePosition.Line,
StartColumn = mapped.StartLinePosition.Character,
EndLine = mapped.StartLinePosition.Line,
EndColumn = mapped.StartLinePosition.Character + 1,
});
}
return(new StatementRange
{
StartLine = mapped.EndLinePosition.Line,
StartColumn = mapped.EndLinePosition.Character - 1,
EndLine = mapped.EndLinePosition.Line,
EndColumn = mapped.EndLinePosition.Character,
});
}
public void GetAdjustedDiagnosticSpan(
DocumentId documentId, Location location,
out TextSpan sourceSpan, out FileLinePositionSpan originalLineInfo, out FileLinePositionSpan mappedLineInfo)
{
sourceSpan = location.SourceSpan;
originalLineInfo = location.GetLineSpan();
mappedLineInfo = location.GetMappedLineSpan();
// check quick bail out case.
if (location == Location.None)
{
return;
}
// Update the original source span, if required.
if (!TryAdjustSpanIfNeededForVenus(documentId, originalLineInfo, mappedLineInfo, out var originalSpan, out var mappedSpan))
{
return;
}
if (originalSpan.Start != originalLineInfo.StartLinePosition || originalSpan.End != originalLineInfo.EndLinePosition)
{
originalLineInfo = new FileLinePositionSpan(originalLineInfo.Path, originalSpan.Start, originalSpan.End);
var textLines = location.SourceTree.GetText().Lines;
var startPos = textLines.GetPosition(originalSpan.Start);
var endPos = textLines.GetPosition(originalSpan.End);
sourceSpan = TextSpan.FromBounds(startPos, Math.Max(startPos, endPos));
}
if (mappedSpan.Start != mappedLineInfo.StartLinePosition || mappedSpan.End != mappedLineInfo.EndLinePosition)
{
mappedLineInfo = new FileLinePositionSpan(mappedLineInfo.Path, mappedSpan.Start, mappedSpan.End);
}
}
private static MITextPosition MapBlockSyntax(TextSpan span, SyntaxNode node, string fileName)
{
var block = (BlockSyntax)node;
bool start = Math.Abs(block.SpanStart - span.Start) < Math.Abs(block.Span.End - span.Start);
Location location = block.GetLocation();
FileLinePositionSpan mapped = location.GetMappedLineSpan();
if (start)
{
return(new MITextPosition(fileName,
new TEXT_POSITION()
{
dwLine = (uint)mapped.StartLinePosition.Line, dwColumn = (uint)mapped.StartLinePosition.Character
},
new TEXT_POSITION()
{
dwLine = (uint)mapped.StartLinePosition.Line, dwColumn = (uint)mapped.StartLinePosition.Character + 1
}));
}
return(new MITextPosition(fileName,
new TEXT_POSITION()
{
dwLine = (uint)mapped.EndLinePosition.Line, dwColumn = (uint)mapped.EndLinePosition.Character - 1
},
new TEXT_POSITION()
{
dwLine = (uint)mapped.EndLinePosition.Line, dwColumn = (uint)mapped.EndLinePosition.Character
}));
}
public void GetAdjustedDiagnosticSpan(
DocumentId documentId, Location location,
out TextSpan sourceSpan, out FileLinePositionSpan originalLineInfo, out FileLinePositionSpan mappedLineInfo)
{
sourceSpan = location.SourceSpan;
originalLineInfo = location.GetLineSpan();
mappedLineInfo = location.GetMappedLineSpan();
// Update the original source span, if required.
LinePositionSpan originalSpan;
LinePositionSpan mappedSpan;
if (!TryAdjustSpanIfNeededForVenus(documentId, originalLineInfo, mappedLineInfo, out originalSpan, out mappedSpan))
{
return;
}
if (originalSpan.Start != originalLineInfo.StartLinePosition || originalSpan.End != originalLineInfo.EndLinePosition)
{
originalLineInfo = new FileLinePositionSpan(originalLineInfo.Path, originalSpan.Start, originalSpan.End);
var textLines = location.SourceTree.GetText().Lines;
var startPos = textLines.GetPosition(originalSpan.Start);
var endPos = textLines.GetPosition(originalSpan.End);
sourceSpan = new TextSpan(startPos, endPos - startPos);
}
if (mappedSpan.Start != mappedLineInfo.StartLinePosition || mappedSpan.End != mappedLineInfo.EndLinePosition)
{
mappedLineInfo = new FileLinePositionSpan(mappedLineInfo.Path, mappedSpan.Start, mappedSpan.End);
}
}
protected void setLocation(Location location)
{
var line = location.GetMappedLineSpan().StartLinePosition;
File = location.FilePath;
Line = line.Line + 1;
Character = line.Character + 1;
}
internal static void GetObjectData(Location location, SerializationInfo info)
{
var fileSpan = location.GetLineSpan();
var mappedFileSpan = location.GetMappedLineSpan();
info.AddValue("sourceSpan", location.SourceSpan, typeof(TextSpan));
info.AddValue("fileSpan", fileSpan, typeof(FileLinePositionSpan));
info.AddValue("mappedFileSpan", mappedFileSpan, typeof(FileLinePositionSpan));
info.AddValue("kind", (byte)location.Kind);
}
internal static MITextPosition GetStatementRange(string fileName, int startLine, int startColumn)
{
try
{
logger.Trace("Line: {0} Column: {1} Source: {2}", startLine, startColumn, fileName);
if (!File.Exists(fileName))
{
return(null);
}
using (var stream = File.OpenRead(fileName))
{
SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(SourceText.From(stream), path: fileName);
SourceText text = syntaxTree.GetText();
var root = (CompilationUnitSyntax)syntaxTree.GetRoot();
var span = new TextSpan(text.Lines[startLine - 1].Start + startColumn, 1);
SyntaxNode node = root.FindNode(span, false, false);
if (node is BlockSyntax)
{
return(MapBlockSyntax(span, node, fileName));
}
while (node is TypeSyntax || node is MemberAccessExpressionSyntax)
{
node = node.Parent;
}
Location location = node.GetLocation();
FileLinePositionSpan mapped = location.GetMappedLineSpan();
return(new MITextPosition(fileName,
new TEXT_POSITION()
{
dwLine = (uint)mapped.StartLinePosition.Line, dwColumn = (uint)mapped.StartLinePosition.Character
},
new TEXT_POSITION()
{
dwLine = (uint)mapped.EndLinePosition.Line, dwColumn = (uint)mapped.EndLinePosition.Character
}));
}
}
catch (Exception ex)
{
logger.Trace($"Exception : {ex}");
return(null);
}
}
internal static StatementRange GetStatementRange(string fileName, int startLine, int startColumn)
{
try
{
logger.Trace("Line: {0} Column: {1} Source: {2}", startLine, startColumn, fileName);
SyntaxTree syntaxTree = CSharpSyntaxTree.ParseFile(fileName);
SourceText text = syntaxTree.GetText();
var root = (CompilationUnitSyntax)syntaxTree.GetRoot();
var span = new TextSpan(text.Lines[startLine - 1].Start + startColumn, 1);
SyntaxNode node = root.FindNode(span, false, false);
if (node is BlockSyntax)
{
return(MapBlockSyntax(span, node));
}
while (node is TypeSyntax || node is MemberAccessExpressionSyntax)
{
node = node.Parent;
}
Location location = node.GetLocation();
FileLinePositionSpan mapped = location.GetMappedLineSpan();
return(new StatementRange
{
StartLine = mapped.StartLinePosition.Line,
StartColumn = mapped.StartLinePosition.Character,
EndLine = mapped.EndLinePosition.Line,
EndColumn = mapped.EndLinePosition.Character,
});
}
catch
{
return(null);
}
}
internal DiagnosticDescription(Diagnostic d, bool errorCodeOnly, bool showPosition = false)
{
_code = d.Code;
_isWarningAsError = d.IsWarningAsError;
_location = d.Location;
DiagnosticWithInfo dinfo = null;
if (d.Code == 0)
{
_code = d.Id;
_errorCodeType = typeof(string);
}
else
{
dinfo = d as DiagnosticWithInfo;
if (dinfo == null)
{
_code = d.Code;
_errorCodeType = typeof(int);
}
else
{
_errorCodeType = dinfo.Info.MessageProvider.ErrorCodeType;
_code = d.Code;
}
}
_ignoreArgumentsWhenComparing = errorCodeOnly;
_showPosition = showPosition;
if (!_ignoreArgumentsWhenComparing)
{
if (_location.IsInSource)
{
// we don't just want to do SyntaxNode.GetText(), because getting the text via the SourceTree validates the public API
_squiggledText = _location.SourceTree.GetText().ToString(_location.SourceSpan);
}
if (dinfo != null)
{
_arguments = dinfo.Info.Arguments;
}
else
{
IReadOnlyList<object> args = d.Arguments;
if (args == null || args.Count == 0)
{
_arguments = null;
}
else
{
_arguments = d.Arguments.ToArray();
}
}
if (_arguments != null && _arguments.Length == 0)
{
_arguments = null;
}
}
_startPosition = _location.GetMappedLineSpan().StartLinePosition;
}
public CodeGeneratorException(Location location, string message)
: this(location == null ? -1 : location.GetMappedLineSpan().StartLinePosition.Line, location == null ? -1 : location.GetMappedLineSpan().StartLinePosition.Character, message)
{
}
