/// <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 TextLocation(lineNumber, columnNumber);
foreach (var m in codeMapping.MemberCodeMappings.OrderBy(a => a.ILInstructionOffset.From))
{
if (m.StartLocation <= loc && loc <= m.EndLocation)
{
return(m);
}
}
var list = new List <SourceCodeMapping>(codeMapping.MemberCodeMappings.FindAll(a => a.StartLocation.Line <= lineNumber && lineNumber <= a.EndLocation.Line));
list.Sort((a, b) => {
var d = GetDist(a.StartLocation, lineNumber, columnNumber).CompareTo(GetDist(b.StartLocation, lineNumber, columnNumber));
if (d != 0)
{
return(d);
}
return(a.ILInstructionOffset.From.CompareTo(b.ILInstructionOffset.From));
});
if (list.Count > 0)
{
return(list[0]);
}
return(null);
}
else
{
SourceCodeMapping map = null;
foreach (var m in codeMapping.MemberCodeMappings)
{
if (lineNumber < m.StartLocation.Line || lineNumber > m.EndLocation.Line)
{
continue;
}
if (map == null || m.ILInstructionOffset.From < map.ILInstructionOffset.From)
{
map = m;
}
}
return(map);
}
}
bool DebugGetSourceCodeMappingForSetNextStatement(DecompilerTextView textView, out string errMsg, out SourceCodeMapping mapping)
{
errMsg = string.Empty;
mapping = null;
if (ProcessState == DebuggerProcessState.Terminated) {
errMsg = "We're not debugging";
return false;
}
if (ProcessState == DebuggerProcessState.Starting || ProcessState == DebuggerProcessState.Continuing || ProcessState == DebuggerProcessState.Running) {
errMsg = "Can't set next statement when the process is running";
return false;
}
if (textView == null) {
textView = MainWindow.Instance.ActiveTextView;
if (textView == null) {
errMsg = "No tab is available. Decompile the current method!";
return false;
}
}
Dictionary<MethodKey, MemberMapping> cm;
if (!VerifyAndGetCurrentDebuggedMethod(textView, out cm)) {
errMsg = "No debug information found. Make sure that only the debugged method is selected in the treeview (press 'Alt+Num *' to go to current statement)";
return false;
}
var location = textView.TextEditor.TextArea.Caret.Location;
var bps = SourceCodeMappingUtils.Find(cm, location.Line, location.Column);
if (bps.Count == 0) {
errMsg = "It's not possible to set the next statement here";
return false;
}
if (GetCurrentMethodILFrame() == null) {
errMsg = "There's no IL frame";
return false;
}
if (currentLocation != null) {
var currentKey = currentLocation.Value.MethodKey;
foreach (var bp in bps) {
var md = bp.MemberMapping.MethodDefinition;
if (currentLocation.Value.Token != md.MDToken.Raw)
continue;
var serAsm = GetSerializedDnModuleWithAssembly(md);
if (serAsm == null)
continue;
if (serAsm != currentLocation.Value.ModuleAssembly)
continue;
mapping = bp;
break;
}
}
if (mapping == null) {
errMsg = "The next statement cannot be set to another method";
return false;
}
return true;
}
public static bool DebugGetSourceCodeMappingForSetNextStatement(out string errMsg, out SourceCodeMapping mapping)
{
errMsg = string.Empty;
mapping = null;
if (DebuggerService.CurrentDebugger == null) {
errMsg = "No debugger exists";
return false;
}
if (!DebuggerService.CurrentDebugger.IsDebugging) {
errMsg = "We're not debugging";
return false;
}
if (DebuggerService.CurrentDebugger.IsProcessRunning) {
errMsg = "Can't set next statement when the process is running";
return false;
}
var textView = MainWindow.Instance.ActiveTextView;
if (textView == null) {
errMsg = "No tab is available. Decompile the current method!";
return false;
}
Tuple<MethodKey, int, IMemberRef> info;
MethodKey currentKey;
Dictionary<MethodKey, MemberMapping> cm;
if (!DebugUtils.VerifyAndGetCurrentDebuggedMethod(textView, out info, out currentKey, out cm)) {
errMsg = "No debug information found. Make sure that only the debugged method is selected in the treeview (press 'Alt+Num *' to go to current statement)";
return false;
}
var location = textView.TextEditor.TextArea.Caret.Location;
var bps = SourceCodeMappingUtils.Find(cm, location.Line, location.Column);
if (bps.Count == 0) {
errMsg = "It's not possible to set the next statement here";
return false;
}
// The method def could be different now if the debugged assembly was reloaded from disk
// so use SigComparer and not object references to compare the methods.
var flags = SigComparerOptions.CompareDeclaringTypes |
SigComparerOptions.CompareAssemblyPublicKeyToken |
SigComparerOptions.CompareAssemblyVersion |
SigComparerOptions.CompareAssemblyLocale |
SigComparerOptions.PrivateScopeIsComparable;
foreach (var bp in bps) {
if (new SigComparer(flags).Equals(bp.MemberMapping.MethodDefinition, info.Item3)) {
mapping = bp;
break;
}
}
if (mapping == null) {
errMsg = "The next statement cannot be set to another method";
return false;
}
return true;
}
public void EndNode(AstNode node)
{
this.nodes.Pop();
if (this.highlightItems.Count > 0)
{
TextLocation startLocation = this.startLocations.Pop();
if (this.currentMapping != null)
{
var ranges = node.Annotation<List<ICSharpCode.Decompiler.ILAst.ILRange>>();
if ((ranges != null) && (ranges.Count > 0))
{
foreach (var range in ranges)
{
SourceCodeMapping scm = null;
//foreach (int offset in this.HighlightOffsets)
foreach (HighlightItem item in this.highlightItems)
{
if ((item.Offset >= range.From) && (item.Offset <= range.To))
{
if (this.CheckNode(node, item))
{
if (scm == null)
{
int adjust = 0;
if (node is ThrowStatement)
{
adjust = -(this.indent * tabSize + 2);
}
scm = new SourceCodeMapping()
{
ILInstructionOffset = range,
StartLocation = startLocation,
EndLocation = new TextLocation(this.CurrentLocation.Line, this.CurrentLocation.Column + adjust),
MemberMapping = this.currentMapping
};
}
this.HighlightMapping[item.Offset].Add(scm);
}
}
}
this.currentMapping.MemberCodeMappings.Add(scm);
}
}
}
if (node.Annotation<MemberMapping>() != null)
{
this.currentMapping = this.memberMapping.Pop();
}
}
}
