/// <summary>
/// Gets source code mapping and metadata token based on type name and line number.
/// </summary>
/// <param name="codeMappings">Code mappings storage.</param>
/// <param name="typeName">Member reference name.</param>
/// <param name="lineNumber">Line number.</param>
/// <param name="columnNumber">Column number or 0 for any column.</param>
/// <returns></returns>
public static SourceCodeMapping GetInstructionByLineNumber(
this MemberMapping codeMapping,
int lineNumber,
int columnNumber)
{
if (codeMapping == null)
{
throw new ArgumentException("CodeMappings storage must be valid!");
}
if (columnNumber != 0)
{
var loc = new TextPosition(lineNumber, columnNumber);
foreach (var m in codeMapping.MemberCodeMappings.OrderBy(a => a.ILRange.From))
{
if (m.StartPosition <= loc && loc <= m.EndPosition)
{
return(m);
}
}
var list = new List <SourceCodeMapping>(codeMapping.MemberCodeMappings.FindAll(a => a.StartPosition.Line <= lineNumber && lineNumber <= a.EndPosition.Line));
list.Sort((a, b) => {
var d = GetDist(a.StartPosition, lineNumber, columnNumber).CompareTo(GetDist(b.StartPosition, lineNumber, columnNumber));
if (d != 0)
{
return(d);
}
return(a.ILRange.From.CompareTo(b.ILRange.From));
});
if (list.Count > 0)
{
return(list[0]);
}
return(null);
}
else
{
SourceCodeMapping map = null;
foreach (var m in codeMapping.MemberCodeMappings)
{
if (lineNumber < m.StartPosition.Line || lineNumber > m.EndPosition.Line)
{
continue;
}
if (map == null || m.ILRange.From < map.ILRange.From)
{
map = m;
}
}
return(map);
}
}
bool DebugGetSourceCodeMappingForSetNextStatement(ITextEditorUIContext uiContext, out string errMsg, out SourceCodeMapping mapping) {
errMsg = string.Empty;
mapping = null;
if (ProcessState == DebuggerProcessState.Terminated) {
errMsg = dnSpy_Debugger_Resources.Error_NotDebugging;
return false;
}
if (ProcessState == DebuggerProcessState.Starting || ProcessState == DebuggerProcessState.Continuing || ProcessState == DebuggerProcessState.Running) {
errMsg = dnSpy_Debugger_Resources.Error_CantSetNextStatementWhenNotStopped;
return false;
}
if (uiContext == null) {
uiContext = fileTabManager.ActiveTab.TryGetTextEditorUIContext();
if (uiContext == null) {
errMsg = dnSpy_Debugger_Resources.Error_NoTabAvailableDecompileCurrentMethod;
return false;
}
}
CodeMappings cm;
if (currentLocation == null || !DebugUtils.VerifyAndGetCurrentDebuggedMethod(uiContext, currentLocation.Value.SerializedDnToken, out cm)) {
errMsg = dnSpy_Debugger_Resources.Error_NoDebugInfoAvailable;
return false;
}
Debug.Assert(currentLocation != null);
var location = uiContext.Location;
var bps = cm.Find(location.Line, location.Column);
if (bps.Count == 0) {
errMsg = dnSpy_Debugger_Resources.Error_CantSetNextStatementHere;
return false;
}
if (GetCurrentMethodILFrame() == null) {
errMsg = dnSpy_Debugger_Resources.Error_CantSetNextStatementNoILFrame;
return false;
}
foreach (var bp in bps) {
var md = bp.Mapping.Method;
if (currentLocation.Value.Function.Token != md.MDToken.Raw)
continue;
var serAsm = serializedDnModuleCreator.Create(md.Module);
if (!serAsm.Equals(currentLocation.Value.SerializedDnToken.Module))
continue;
mapping = bp;
break;
}
if (mapping == null) {
errMsg = dnSpy_Debugger_Resources.Error_CantSetNextStatementToAnotherMethod;
return false;
}
return true;
}