private static SymbolAtom FigureOutLocalVarName(StackEntry stackEntry, ILocalVar lvar)
{
Contract.Requires(stackEntry != null);
Contract.Requires(lvar != null);
// if lvar.Name is explicitly set --> return lvar.Name
if (lvar.Name.IsValid)
{
return(lvar.Name);
}
// if lvar.Index is less than the number of captured variables in this frame --> look up the name in the parent frame.
if (stackEntry.Lambda.Captures > lvar.Index)
{
while ((stackEntry = stackEntry.Previous) != null)
{
var localVarInParentFrame = stackEntry.DebugInfo.m_locals[lvar.Index];
if (localVarInParentFrame.Name.IsValid)
{
return(localVarInParentFrame.Name);
}
}
}
// Invalid if all previous efforts failed.
return(SymbolAtom.Invalid);
}
internal String ILocalVarToString(ILocalVar lv)
{
var name = lv.Source.DebugInfo == null ? null :
lv.Source.DebugInfo.LocalNames.GetOrDefault(lv.Index);
return(name == null?lv.Index.ToString() : String.Format("{0} ({1})",
lv.Index.ToString(), name));
}
public String this[ILocalVar local] {
get { return(LocalNames[local.Index]); }
}
public bool Equals(ILocalVar other)
{
return(Equals(other as LocalVar));
}
public String this[ILocalVar local] { get { return LocalNames[local.Index]; } }
