public void Write(MethodBody body)
{
var method_token = body.Method.MetadataToken;
var sym_token = new SymbolToken (method_token.ToInt32 ());
var instructions = CollectInstructions (body);
if (instructions.Count == 0 && !body.HasVariables)
return;
writer.OpenMethod (sym_token);
DefineSequencePoints (instructions);
if (body.Scope != null)
WriteScope (body, body.Scope);
else
if (body.HasVariables)
{
var start_offset = 0;
var end_offset = body.CodeSize;
writer.OpenScope (start_offset);
DefineVariables (body, body.Variables, start_offset, end_offset);
writer.CloseScope (end_offset);
}
if (body.IteratorType != null)
DefineIteratorType (sym_token, body.IteratorType.Name);
if (body.iterator_scopes != null)
DefineIteratorScopes (sym_token, body.IteratorScopes, body.CodeSize);
writer.CloseMethod ();
}
void CreateScopes (MethodBody body, ScopeCollection scopes, SymbolToken localVarToken)
{
foreach (Scope s in scopes) {
int startOffset = s.Start.Offset;
int endOffset = s.End == body.Instructions.Outside ?
body.Instructions[body.Instructions.Count - 1].Offset + 1 :
s.End.Offset;
m_writer.OpenScope (startOffset);
m_writer.UsingNamespace (body.Method.DeclaringType.Namespace);
m_writer.OpenNamespace (body.Method.DeclaringType.Namespace);
int start = body.Instructions.IndexOf (s.Start);
int end = s.End == body.Instructions.Outside ?
body.Instructions.Count - 1 :
body.Instructions.IndexOf (s.End);
ArrayList instructions = CollectSequencePoints (body, start, end);
DefineSequencePoints (instructions);
CreateLocalVariable (s, startOffset, endOffset, localVarToken);
CreateScopes (body, s.Scopes, localVarToken);
m_writer.CloseNamespace ();
m_writer.CloseScope (endOffset);
}
}
public ISymbolMethod GetMethod(SymbolToken method, int version) {
ISymUnmanagedMethod unMethod;
int hr = reader.GetMethodByVersion((uint)method.GetToken(), version, out unMethod);
if (hr == E_FAIL)
return null;
Marshal.ThrowExceptionForHR(hr);
return unMethod == null ? null : new SymbolMethod(unMethod);
}
public virtual void DefineField
(SymbolToken parent, String name,
FieldAttributes attributes,
byte[] signature,
SymAddressKind addrKind,
int addr1, int addr2, int addr3)
{
throw new NotSupportedException();
}
public int GetMethodByVersion(SymbolToken methodToken, int version, out ISymUnmanagedMethod retVal)
{
var hr = _reader.GetMethodByVersion(methodToken, version, out retVal);
if (retVal != null)
{
retVal = new SymMethod(this, retVal);
}
return hr;
}
public void Write(MethodBody body)
{
var method_token = body.Method.MetadataToken;
var sym_token = new SymbolToken (method_token.ToInt32 ());
writer.OpenMethod (sym_token);
DefineSequencePoints (body);
DefineVariables (body);
writer.CloseMethod ();
}
private ISymUnmanagedMethod GetSymMethod(SymbolToken token)
{
try
{
return _comReader.GetMethod(token);
}
catch
{
return null;
}
}
public void DefineLocalVariable2 (string name,
FieldAttributes attributes,
SymbolToken sigToken,
SymAddressKind addrKind,
int addr1,
int addr2,
int addr3,
int startOffset,
int endOffset)
{
((ISymUnmanagedWriter2)m_writer).DefineLocalVariable2 (name, (int)attributes, sigToken, (int)addrKind, addr1, addr2, addr3, startOffset, endOffset);
}
void CreateLocalVariable(VariableDebugInformation variable, SymbolToken local_var_token, int start_offset, int end_offset)
{
writer.DefineLocalVariable2 (
variable.Name,
variable.Attributes,
local_var_token,
SymAddressKind.ILOffset,
variable.Index,
0,
0,
start_offset,
end_offset);
}
public static ISymbolMethod GetSymReader(this MethodBase method)
{
var reader = method.Module.GetSymReader();
if (reader == null)
{
return null;
}
else
{
var token = new SymbolToken(method.MetadataToken);
return reader.GetMethod(token);
}
}
void DefineVariables (MethodBody body, int start_offset, int end_offset)
{
if (!body.HasVariables)
return;
var sym_token = new SymbolToken (body.LocalVarToken.ToInt32 ());
var variables = body.Variables;
for (int i = 0; i < variables.Count; i++) {
var variable = variables [i];
CreateLocalVariable (variable, sym_token, start_offset, end_offset);
}
}
public void Write(MethodDebugInformation info)
{
var method_token = info.method.MetadataToken;
var sym_token = new SymbolToken (method_token.ToInt32 ());
writer.OpenMethod (sym_token);
if (!info.sequence_points.IsNullOrEmpty ())
DefineSequencePoints (info.sequence_points);
if (info.scope != null)
DefineScope (info.scope, info);
writer.CloseMethod ();
}
public virtual ISymbolMethod GetMethod(SymbolToken method, int version)
{
ISymbolMethod meth;
if (methodCache == null)
{
methodCache = new Hashtable();
}
else if ((meth = (ISymbolMethod)methodCache
[method.GetToken()]) != null)
{
return(meth);
}
meth = new SymMethod(this, method.GetToken());
methodCache[method.GetToken()] = meth;
return(meth);
}
public void Write (MethodBody body)
{
var method_token = body.Method.MetadataToken;
var sym_token = new SymbolToken (method_token.ToInt32 ());
var instructions = CollectInstructions (body);
if (instructions.Count == 0)
return;
var start_offset = 0;
var end_offset = body.CodeSize;
writer.OpenMethod (sym_token);
writer.OpenScope (start_offset);
DefineSequencePoints (instructions);
DefineVariables (body, start_offset, end_offset);
writer.CloseScope (end_offset);
writer.CloseMethod ();
}
public bool TryGetFunctionByLocation(SourceLocation location, out SymbolToken token)
{
token = default(SymbolToken);
try
{
var document = _comReader.GetDocument(location.FilePath.FullPath, default(Guid), default(Guid), default(Guid));
if (document == null)
return false;
var method = _comReader.GetMethodFromDocumentPosition(document, location.Line, location.Column);
if (method == null)
return false;
token = method.GetToken();
return true;
}
catch (COMException)
{
return false;
}
}
public ISymbolVariable[] GetVariables(SymbolToken parent) {
uint numVars;
reader.GetVariables((uint)parent.GetToken(), 0, out numVars, null);
var unVars = new ISymUnmanagedVariable[numVars];
reader.GetVariables((uint)parent.GetToken(), (uint)unVars.Length, out numVars, unVars);
var vars = new ISymbolVariable[numVars];
for (uint i = 0; i < numVars; i++)
vars[i] = new SymbolVariable(unVars[i]);
return vars;
}
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.DefineLocalVariable1"]/*' />
public void DefineLocalVariable([MarshalAs(UnmanagedType.LPWStr)] String name,
int attributes,
SymbolToken sigToken,
int addressKind,
int addr1,
int addr2,
int addr3,
int startOffset,
int endOffset)
{
((ISymUnmanagedWriter2)m_target).DefineLocalVariable2(name, attributes, sigToken,
addressKind, addr1, addr2, addr3, startOffset, endOffset);
}
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.RemapToken"]/*' />
public void RemapToken(SymbolToken oldToken,
SymbolToken newToken)
{
m_target.RemapToken(oldToken, newToken);
}
public void OpenMethod (SymbolToken method)
{
m_writer.OpenMethod (method);
}
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.DefineConstant1"]/*' />
public void DefineConstant([MarshalAs(UnmanagedType.LPWStr)] String name,
Object value,
SymbolToken sigToken)
{
((ISymUnmanagedWriter2)m_target).DefineConstant2(name, value, sigToken);
}
public virtual void OpenMethod(SymbolToken method)
{
// Nothing to do here.
}
public bool Equals(SymbolToken obj) // Method.
{
return(obj.m_token == this.m_token);
}
public virtual byte[] GetSymAttribute(SymbolToken parent, String name)
{
throw new NotSupportedException();
}
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.SetUserEntryPoint"]/*' />
public void SetUserEntryPoint(SymbolToken entryMethod)
{
m_target.SetUserEntryPoint(entryMethod);
}
public virtual ISymbolVariable[] GetVariables(SymbolToken parent)
{
throw new NotSupportedException();
}
public bool Equals(SymbolToken obj)
{
return(obj.m_token == m_token);
}
public bool Equals(SymbolToken obj)
{
return(obj.GetToken() == _val);
}
public virtual void SetUserEntryPoint(SymbolToken entryMethod)
{
// Nothing to do here.
}
void DefineIteratorType(SymbolToken method_token, string name)
{
var buffer = new PE.ByteBuffer ();
buffer.WriteByte (4);
buffer.WriteByte (1);
buffer.Align (4);
buffer.WriteByte (4);
buffer.WriteByte (4);
buffer.Align (4);
var length = 10 + (uint) name.Length * 2;
while (length % 4 > 0)
length++;
buffer.WriteUInt32 (length);
buffer.WriteBytes (System.Text.Encoding.Unicode.GetBytes (name));
buffer.WriteByte (0);
buffer.Align (4);
writer.SetSymAttribute (method_token, "MD2", buffer.length, buffer.buffer);
}
internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
{
if (ilgen != null && ilgen.HasDebugInfo) {
SymbolToken token = new SymbolToken (GetToken().Token);
symbolWriter.OpenMethod (token);
symbolWriter.SetSymAttribute (token, "__name", System.Text.Encoding.UTF8.GetBytes (Name));
ilgen.GenerateDebugInfo (symbolWriter);
symbolWriter.CloseMethod ();
}
}
void DefineVariables(MethodSymbols symbols, Collection<VariableDefinition> variables, int start_offset, int end_offset)
{
var sym_token = new SymbolToken (symbols.LocalVarToken.ToInt32 ());
for (int i = 0; i < variables.Count; i++) {
var variable = variables [i];
CreateLocalVariable (variable, sym_token, start_offset, end_offset);
}
}
public void SetUserEntryPoint(SymbolToken method)
{
m_writer.SetUserEntryPoint (method);
}
public virtual ISymbolMethod GetMethod(SymbolToken method)
{
return(GetMethod(method, 0));
}
public virtual void SetSymAttribute
(SymbolToken parent, String name, byte[] data)
{
// Nothing to do here.
}
void CreateLocalVariable (IVariableDefinitionProvider provider, int startOffset, int endOffset, SymbolToken localVarToken)
{
for (int i = 0; i < provider.Variables.Count; i++) {
VariableDefinition var = provider.Variables [i];
m_writer.DefineLocalVariable2(
var.Name,
0,
localVarToken,
SymAddressKind.ILOffset,
var.Index,
0,
0,
startOffset,
endOffset);
}
}
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.DefineField"]/*' />
public void DefineField(SymbolToken parent,
String name,
FieldAttributes attributes,
byte[] signature,
SymAddressKind addressKind,
int addr1,
int addr2,
int addr3)
{
m_target.DefineField(parent, name, (int)attributes, signature.Length, signature,
(int)addressKind, addr1, addr2, addr3);
}
// // Summary: // Determines whether obj is equal to this instance. // // Parameters: // obj: // The System.Diagnostics.SymbolStore.SymbolToken to check. // // Returns: // true if obj is equal to this instance; otherwise, false. public bool Equals(SymbolToken obj);
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.OpenMethod"]/*' />
public void OpenMethod(SymbolToken method)
{
m_target.OpenMethod(method);
}
public byte[] GetSymAttribute(SymbolToken parent, string name) {
uint bufSize;
reader.GetSymAttribute((uint)parent.GetToken(), name, 0, out bufSize, null);
var buffer = new byte[bufSize];
reader.GetSymAttribute((uint)parent.GetToken(), name, (uint)buffer.Length, out bufSize, buffer);
return buffer;
}
/// <include file='doc\SymWriter.uex' path='docs/doc[@for="SymbolWriter.SetSymAttribute"]/*' />
public void SetSymAttribute(SymbolToken parent, String name, byte[] data)
{
m_target.SetSymAttribute(parent, name, data.Length, data);
}
/// <summary>Determines whether <paramref name="obj" /> is equal to this instance.</summary><returns>true if <paramref name="obj" /> is equal to this instance; otherwise, false.</returns><param name="obj">The <see cref="T:System.Diagnostics.SymbolStore.SymbolToken" /> to check.</param>
public bool Equals(SymbolToken obj)
{
throw new NotImplementedException();
}
[System.Security.SecurityCritical] // auto-generated
private void SetUserEntryPointNoLock(MethodInfo entryPoint)
{
// Set the user entry point. Compiler may generate startup stub before calling user main.
// The startup stub will be the entry point. While the user "main" will be the user entry
// point so that debugger will not step into the compiler entry point.
if (entryPoint == null)
{
throw new ArgumentNullException("entryPoint");
}
Contract.EndContractBlock();
if (m_iSymWriter == null)
{
// Cannot set entry point when it is not a debug module
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_NotADebugModule"));
}
if (entryPoint.DeclaringType != null)
{
if (!entryPoint.Module.Equals(this))
{
// you cannot pass in a MethodInfo that is not contained by this ModuleBuilder
throw new InvalidOperationException(Environment.GetResourceString("Argument_NotInTheSameModuleBuilder"));
}
}
else
{
// unfortunately this check is missing for global function passed in as RuntimeMethodInfo.
// The problem is that Reflection does not
// allow us to get the containing module giving a global function
MethodBuilder mb = entryPoint as MethodBuilder;
if (mb != null && mb.GetModuleBuilder() != this)
{
// you cannot pass in a MethodInfo that is not contained by this ModuleBuilder
throw new InvalidOperationException(Environment.GetResourceString("Argument_NotInTheSameModuleBuilder"));
}
}
// get the metadata token value and create the SymbolStore's token value class
SymbolToken tkMethod = new SymbolToken(GetMethodTokenInternal(entryPoint).Token);
// set the UserEntryPoint
m_iSymWriter.SetUserEntryPoint(tkMethod);
}
public bool Equals(SymbolToken obj) => obj._token == _token;
