/// <summary>
/// Checks whether <paramref name="localSig"/> contains a <see cref="GenericVar"/> or a
/// <see cref="GenericMVar"/>.
/// </summary>
/// <param name="localSig">Local signature</param>
/// <returns><c>true</c> if <paramref name="localSig"/> contains a <see cref="GenericVar"/>
/// or a <see cref="GenericMVar"/>.</returns>
public static bool ContainsGenericParameter(LocalSig localSig)
{
return(new TypeHelper().ContainsGenericParameterInternal(localSig));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="localSig">A locals sig</param>
public StandAloneSigUser(LocalSig localSig) {
this.signature = localSig;
}
bool ContainsGenericParameterInternal(LocalSig ls) {
if (ls == null)
return false;
if (!recursionCounter.Increment())
return false;
bool res = ContainsGenericParameter(ls.Locals);
recursionCounter.Decrement();
return res;
}
void Add(LocalSig sig)
{
if (sig == null)
return;
Add(sig.Locals);
}
/// <summary>
/// Checks whether <paramref name="localSig"/> contains a <see cref="GenericVar"/> or a
/// <see cref="GenericMVar"/>.
/// </summary>
/// <param name="localSig">Local signature</param>
/// <returns><c>true</c> if <paramref name="localSig"/> contains a <see cref="GenericVar"/>
/// or a <see cref="GenericMVar"/>.</returns>
public static bool ContainsGenericParameter(LocalSig localSig) {
return new TypeHelper().ContainsGenericParameterInternal(localSig);
}
public void Write()
{
uint codeSize = InitializeInstructionOffsets();
jitBody.MaxStack = keepMaxStack ? body.MaxStack : GetMaxStack();
jitBody.Options = 0;
if (body.InitLocals)
jitBody.Options |= 0x10;
if (body.Variables.Count > 0) {
var local = new LocalSig(body.Variables.Select(var => var.Type).ToList());
jitBody.LocalVars = SignatureWriter.Write(metadata, local);
}
else
jitBody.LocalVars = new byte[0];
using (var ms = new MemoryStream()) {
uint _codeSize = WriteInstructions(new BinaryWriter(ms));
Debug.Assert(codeSize == _codeSize);
jitBody.ILCode = ms.ToArray();
}
jitBody.EHs = new JITEHClause[exceptionHandlers.Count];
if (exceptionHandlers.Count > 0) {
jitBody.Options |= 8;
for (int i = 0; i < exceptionHandlers.Count; i++) {
ExceptionHandler eh = exceptionHandlers[i];
jitBody.EHs[i].Flags = (uint)eh.HandlerType;
uint tryStart = GetOffset(eh.TryStart);
uint tryEnd = GetOffset(eh.TryEnd);
jitBody.EHs[i].TryOffset = tryStart;
jitBody.EHs[i].TryLength = tryEnd - tryStart;
uint handlerStart = GetOffset(eh.HandlerStart);
uint handlerEnd = GetOffset(eh.HandlerEnd);
jitBody.EHs[i].HandlerOffset = handlerStart;
jitBody.EHs[i].HandlerLength = handlerEnd - handlerStart;
if (eh.HandlerType == ExceptionHandlerType.Catch) {
uint token = metadata.GetToken(eh.CatchType).Raw;
if ((token & 0xff000000) == 0x1b000000)
jitBody.Options |= 0x80;
jitBody.EHs[i].ClassTokenOrFilterOffset = token;
}
else if (eh.HandlerType == ExceptionHandlerType.Filter) {
jitBody.EHs[i].ClassTokenOrFilterOffset = GetOffset(eh.FilterStart);
}
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="localSig">A locals sig</param>
public StandAloneSigUser(LocalSig localSig)
{
this.signature = localSig;
}
/// <summary>
/// Gets the locals
/// </summary>
/// <param name="sig">this</param>
/// <returns>All locals</returns>
public static IList <TypeSig> GetLocals(this LocalSig sig)
{
return(sig == null?ThreadSafeListCreator.Create <TypeSig>() : sig.Locals);
}
/// <summary>
/// Gets the locals
/// </summary>
/// <param name="sig">this</param>
/// <returns>All locals</returns>
public static IList <TypeSig> GetLocals(this LocalSig sig)
{
return(sig == null ? new List <TypeSig>() : sig.Locals);
}
