private List <Constant> ReadConstants(ISymbolScope scope)
{
// Read the constants.
// IldbSymbols.dll doesn't support ISymUnmanagedScope2 so nothing we can do for ILDB to read
// constants (even though it does support writing them). But RefEmit doesn't ever emit constants
// anyway, so there should be no need for this.
if (symFormat == SymbolFormat.ILDB)
{
return(null);
}
// Note - ISymbolConstants are written to the xml, but cannot be easily round-tripped.
// The SigTokens cannot be easily retrieved from either the pdb or the assembly metadata
List <Constant> constants = new List <Constant>();
ISymbolScope2 scope2 = (ISymbolScope2)scope;
foreach (ISymbolConstant c in scope2.GetConstants())
{
Constant constData = new Constant();
constData.name = c.GetName();
constData.value = c.GetValue().ToString();
constData.signature = Util.ToHexString(c.GetSignature());
constants.Add(constData);
}
return(constants);
}
private void WriteScopes(ISymbolScope2 scope)
{
m_writer.WriteStartElement("scope");
{
m_writer.WriteAttributeString("startOffset", Util.AsIlOffset(scope.StartOffset));
m_writer.WriteAttributeString("endOffset", Util.AsIlOffset(scope.EndOffset));
{
// If there are no locals, then this element will just be empty.
WriteLocalsHelper(scope, false);
}
foreach (ISymbolScope child in scope.GetChildren())
{
WriteScopes((ISymbolScope2)child);
}
}
m_writer.WriteEndElement(); // </scope>
}
private void WriteLocalsHelper(ISymbolScope2 scope, bool IncludeChildScopes)
{
foreach (ISymbolVariable l in scope.GetLocals())
{
m_writer.WriteStartElement("local");
{
m_writer.WriteAttributeString("name", l.Name);
// Each local maps to a unique "IL Index" or "slot" number.
// This index is what you pass to ICorDebugILFrame::GetLocalVariable() to get
// a specific local variable.
Debug.Assert(l.AddressKind == SymAddressKind.ILOffset);
int slot = l.AddressField1;
m_writer.WriteAttributeString("il_index", Util.CultureInvariantToString(slot));
// Provide scope range
m_writer.WriteAttributeString("il_start", Util.AsIlOffset(scope.StartOffset));
m_writer.WriteAttributeString("il_end", Util.AsIlOffset(scope.EndOffset));
m_writer.WriteAttributeString("attributes", l.Attributes.ToString());
Byte[] b_signature = l.GetSignature();
m_writer.WriteAttributeString("signature", Util.ToHexString(b_signature));
}
m_writer.WriteEndElement(); // </local>
}
foreach (ISymbolConstant c in scope.GetConstants())
{
// BUGBUG - ISymbolConstants are written to the xml, but cannot be easily round-tripped.
// The SigTokens cannot be easily retrieved from either the pdb or the assembly metadata
m_writer.WriteStartElement("constant");
{
m_writer.WriteAttributeString("name", c.GetName());
m_writer.WriteAttributeString("value", c.GetValue().ToString());
m_writer.WriteAttributeString("signature", Util.ToHexString(c.GetSignature()));
}
m_writer.WriteEndElement(); // </constant>
}
if (!IncludeChildScopes)
{
return;
}
foreach (ISymbolScope childScope in scope.GetChildren())
{
WriteLocalsHelper((ISymbolScope2)childScope);
}
}
private void WriteLocalsHelper(ISymbolScope2 scope, bool IncludeChildScopes)
{
foreach (ISymbolVariable l in scope.GetLocals())
{
m_writer.WriteStartElement("local");
{
m_writer.WriteAttributeString("name", l.Name);
// Each local maps to a unique "IL Index" or "slot" number.
// This index is what you pass to ICorDebugILFrame::GetLocalVariable() to get
// a specific local variable.
Debug.Assert(l.AddressKind == SymAddressKind.ILOffset);
int slot = l.AddressField1;
m_writer.WriteAttributeString("il_index", Util.CultureInvariantToString(slot));
// Provide scope range
m_writer.WriteAttributeString("il_start", Util.AsIlOffset(scope.StartOffset));
m_writer.WriteAttributeString("il_end", Util.AsIlOffset(scope.EndOffset));
m_writer.WriteAttributeString("attributes", l.Attributes.ToString());
Byte[] b_signature = l.GetSignature();
m_writer.WriteAttributeString("signature", Util.ToHexString(b_signature));
}
m_writer.WriteEndElement(); // </local>
}
foreach (ISymbolConstant c in scope.GetConstants())
{
// BUGBUG - ISymbolConstants are written to the xml, but cannot be easily round-tripped.
// The SigTokens cannot be easily retrieved from either the pdb or the assembly metadata
m_writer.WriteStartElement("constant");
{
m_writer.WriteAttributeString("name", c.GetName());
m_writer.WriteAttributeString("value", c.GetValue().ToString());
m_writer.WriteAttributeString("signature", Util.ToHexString(c.GetSignature()));
}
m_writer.WriteEndElement(); // </constant>
}
if (!IncludeChildScopes)
{
return;
}
foreach (ISymbolScope childScope in scope.GetChildren())
{
WriteLocalsHelper((ISymbolScope2) childScope);
}
}
// Helper method to write the local variables in the given scope.
// Scopes match an IL range, and also have child scopes.
private void WriteLocalsHelper(ISymbolScope2 scope)
{
WriteLocalsHelper(scope, true);
}
private void WriteScopes(ISymbolScope2 scope)
{
m_writer.WriteStartElement("scope");
{
m_writer.WriteAttributeString("startOffset", Util.AsIlOffset(scope.StartOffset));
m_writer.WriteAttributeString("endOffset", Util.AsIlOffset(scope.EndOffset));
{
// If there are no locals, then this element will just be empty.
WriteLocalsHelper(scope, false);
}
foreach (ISymbolScope child in scope.GetChildren())
{
WriteScopes((ISymbolScope2) child);
}
}
m_writer.WriteEndElement(); // </scope>
}
// Helper method to write the local variables in the given scope.
// Scopes match an IL range, and also have child scopes.
private void WriteLocalsHelper(ISymbolScope2 scope)
{
WriteLocalsHelper(scope, true);
}
