private bool attemptSetBreakpoint(ISymbolReader reader, ISymbolDocument doc, CorModule module)
{
if (!doc.URL.Equals(_breakpoint.File))
return false;
var line = doc.FindClosestLine(_breakpoint.Line);
var method = reader.GetMethodFromDocumentPosition(doc, line, _breakpoint.Column);
var function = module.GetFunctionFromToken(method.Token.GetToken());
var wasSet = attemptToSetBreakpointThroughSequencePoints(doc, line, method, function);
if (!wasSet)
setBreakpointThroughFunction(function);
return true;
}
/// <summary>
/// Resolves code location after the source file name and the code line number.
/// </summary>
/// <param name="fileName">source file name</param>
/// <param name="lineNumber">line number in the source file</param>
/// <param name="iloffset">returns the offset in the il code (based on the line number)</param>
/// <returns></returns>
public CorCode ResolveCodeLocation(String fileName, Int32 lineNumber, out Int32 iloffset)
{
// find module
foreach (CorModule module in Modules)
{
ISymbolReader symreader = module.GetSymbolReader();
if (symreader != null)
{
foreach (ISymbolDocument symdoc in symreader.GetDocuments())
{
if (String.Compare(symdoc.URL, fileName, true, CultureInfo.InvariantCulture) == 0 ||
String.Compare(System.IO.Path.GetFileName(symdoc.URL), fileName, true, CultureInfo.InvariantCulture) == 0)
{
Int32 line = 0;
try
{
line = symdoc.FindClosestLine(lineNumber);
}
catch (System.Runtime.InteropServices.COMException ex)
{
if (ex.ErrorCode == (Int32)HResult.E_FAIL)
{
continue; // it's not this document
}
}
ISymbolMethod symmethod = symreader.GetMethodFromDocumentPosition(symdoc, line, 0);
CorFunction func = module.GetFunctionFromToken(symmethod.Token.GetToken());
// IL offset in function code
iloffset = func.GetIPFromPosition(symdoc, line);
if (iloffset == -1)
{
return(null);
}
// finally return the code
return(func.GetILCode());
}
}
}
}
iloffset = -1;
return(null);
}