private unsafe void ReadExceptions(DynamicResolver dynamicResolver, int excCount)
{
var buf = stackalloc CORINFO_EH_CLAUSE[1];
var exceptionClause = &buf[0];
for (int i = 0; i < excCount; ++i)
{
dynamicResolver.GetEHInfo(i, exceptionClause);
var handler = new ExceptionHandler((ExceptionHandlerType)exceptionClause->Flags);
handler.TryStart = GetInstruction(exceptionClause->TryOffset);
handler.TryEnd = GetInstruction(handler.TryStart.Offset + exceptionClause->TryLength);
handler.HandlerStart = GetInstruction(exceptionClause->HandlerOffset);
handler.HandlerEnd = GetInstruction(handler.HandlerStart.Offset + exceptionClause->HandlerLength);
switch (handler.HandlerType)
{
case ExceptionHandlerType.Catch:
var token = new MetadataToken((uint)exceptionClause->ClassTokenOrFilterOffset);
handler.CatchType = resolveTokens ? ResolveToken(token) : token;
break;
case ExceptionHandlerType.Filter:
handler.FilterStart = GetInstruction(exceptionClause->ClassTokenOrFilterOffset);
break;
}
ExceptionHandlers.Add(handler);
}
}
public static void Init()
{
DynamicMethodWrapper.Init();
DynamicILGenerator.Init();
DynamicILInfoWrapper.Init();
DynamicScope.Init();
DynamicResolver.Init();
}
public MethodBodyOnDynamicILInfo(DynamicMethod dynamicMethod, GrEmit.Utils.DynamicILInfo dynamicILInfo, bool resolveTokens)
: base(GetMethodSignature(dynamicILInfo), resolveTokens)
{
scope = new DynamicILInfoWrapper(dynamicILInfo).m_scope;
using (var dynamicResolver = new DynamicResolver(dynamicMethod, dynamicILInfo))
{
int stackSize;
int initLocals;
int EHCount;
var code = dynamicResolver.GetCodeInfo(out stackSize, out initLocals, out EHCount);
MaxStack = stackSize;
InitLocals = initLocals != 0;
SetLocalSignature(dynamicResolver.m_localSignature);
ILCodeReader.Read(code, ResolveToken, resolveTokens, this);
ExceptionsInfoReader.Read(dynamicResolver.GetRawEHInfo(), ResolveToken, resolveTokens, this);
}
}
public MethodBodyOnDynamicILGenerator(DynamicMethod dynamicMethod, ILGenerator ilGenerator, bool resolveTokens)
: base(GetMethodSignature(ilGenerator), resolveTokens)
{
scope = new DynamicILGenerator(ilGenerator).m_scope;
using (var dynamicResolver = new DynamicResolver(dynamicMethod, ilGenerator))
{
int stackSize;
int initLocals;
int EHCount;
var code = dynamicResolver.GetCodeInfo(out stackSize, out initLocals, out EHCount);
MaxStack = stackSize;
InitLocals = initLocals != 0;
SetLocalSignature(dynamicResolver.m_localSignature);
ILCodeReader.Read(code, ResolveToken, resolveTokens, this);
ReadExceptions(dynamicResolver, EHCount);
}
}
