| public static GetFieldSigHelper ( System mod ) : System.Reflection.Emit.SignatureHelper | ||
| mod | System | |
| return | System.Reflection.Emit.SignatureHelper | |
public void SetLocalSymInfo(String name, int startOffset, int endOffset)
{
ModuleBuilder dynMod;
SignatureHelper sigHelp;
int sigLength;
byte[] signature;
byte[] mungedSig;
int index;
MethodBuilder methodBuilder = m_methodBuilder as MethodBuilder;
if (methodBuilder == null)
{
// it's a light code gen entity
throw new NotSupportedException();
}
dynMod = (ModuleBuilder)methodBuilder.Module;
if (methodBuilder.IsTypeCreated())
{
// cannot change method after its containing type has been created
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_TypeHasBeenCreated"));
}
// set the name and range of offset for the local
if (dynMod.GetSymWriter() == null)
{
// cannot set local name if not debug module
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_NotADebugModule"));
}
sigHelp = SignatureHelper.GetFieldSigHelper(dynMod);
sigHelp.AddArgument(m_localType);
signature = sigHelp.InternalGetSignature(out sigLength);
// The symbol store doesn't want the calling convention on the
// front of the signature, but InternalGetSignature returns
// the callinging convention. So we strip it off. This is a
// bit unfortunate, since it means that we need to allocate
// yet another array of bytes...
mungedSig = new byte[sigLength - 1];
Array.Copy(signature, 1, mungedSig, 0, sigLength - 1);
index = methodBuilder.GetILGenerator().m_ScopeTree.GetCurrentActiveScopeIndex();
if (index == -1)
{
// top level scope information is kept with methodBuilder
methodBuilder.m_localSymInfo.AddLocalSymInfo(
name,
mungedSig,
m_localIndex,
startOffset,
endOffset);
}
else
{
methodBuilder.GetILGenerator().m_ScopeTree.AddLocalSymInfoToCurrentScope(
name,
mungedSig,
m_localIndex,
startOffset,
endOffset);
}
}
