public void RegressiveTestILSplit()
{
MscorlibRegression(delegate(MethodTableCursor cur, MethodInfo method)
{
if (cur.RVA == 0)
{
return;
}
//FIXME: This test cannot pass because in exception handlers the catch blocks load the exception
// onto the evaluation stack. I need to decide how to deal with it.
CLIFileRW.MethodBody cb = cur.MethodBody;
LocalsVarSig locals = cb.LocalsSignature;
if (locals != null)
{
CLIType[] vars = locals.GetVariables().ToArray <CLIType>();
CLIType[] args = cur.GetMethodSignature().GetParameters(method.IsStatic ? null : cur.FindCLIType()).ToArray <CLIType>();
ILCursor ilc = cb.ILInstructions;
ilc.TrackStack(args, vars);
while (ilc.Next())
{
ILInstruction instr = ilc.Instr;
object o = instr.ResolveParameter(reader);
if (ilc.BeginStatement)
{
System.Diagnostics.Debug.WriteLine(string.Format("MethodTest statement at offset: {0:X4}", ilc.Position));
}
}
}
});
}
public void TrackCallsTest()
{
MethodTableCursor cur = CLIFile.FindMethod(typeof(GenericsUnitTest).GetMethod("ExpressionInput"));
CLIFileRW.MethodBody cb = cur.MethodBody;
LocalsVarSig locals = cb.LocalsSignature;
CLIType[] vars = locals.GetVariables().ToArray <CLIType>();
CLIType[] args = cur.GetMethodSignature().GetParameters(cur.FindCLIType()).ToArray <CLIType>();
ILCursor ilc = cb.ILInstructions;
ilc.TrackStack(args, vars, cb.MaxStack);
while (ilc.Next())
{
ILInstruction instr = ilc.Instr;
object o = instr.ResolveParameter(f);
if (ilc.IsCall)
{
Target[] cargs = ilc.CallLoadArguments();
MethodDesc m = (MethodDesc)o;
System.Diagnostics.Debug.WriteLine(string.Format("{0} to {1} at offset {2:X4}", ilc.Instr.op, m.Name, ilc.Position));
for (int i = 0; i < cargs.Length; i++)
{
System.Diagnostics.Debug.WriteLine(string.Format("\tPar {0} at offset {1:X4}", i, cargs[i].Position));
}
}
}
}
public void MethodBodyTest()
{
MethodInfo m = typeof(GenericsUnitTest).GetMethod("MethodTest");
MethodTableCursor cur = f[TableNames.Method].GetCursor() as MethodTableCursor;
cur.Goto(m.MetadataToken & 0xFFFFFF);
System.Reflection.MethodBody rb = m.GetMethodBody();
CLIFileRW.MethodBody cb = cur.MethodBody;
Assert.AreEqual(rb.LocalSignatureMetadataToken & 0xFFFFFF, cb.LocalsSig);
LocalsVarSig locals = cb.LocalsSignature;
IEnumerator <CLIType> lv = locals.GetVariables().GetEnumerator();
foreach (LocalVariableInfo v in rb.LocalVariables)
{
Assert.IsTrue(lv.MoveNext());
// Fetch instantiation from local type since we are not driven by CLIFile reflection
Assert.AreSame(v.LocalType, lv.Current.GetReflectionType(v.LocalType.GetGenericArguments()));
}
ILCursor ilc = cb.ILInstructions;
while (ilc.Next())
{
ILInstruction instr = ilc.Instr;
object o = instr.ResolveParameter(f);
}
}
public void RegressiveTestCheckLocalSignature()
{
MscorlibRegression(delegate(MethodTableCursor cur, MethodInfo method)
{
var rb = method.GetMethodBody();
if (rb != null)
{
CLIFileRW.MethodBody cb = cur.MethodBody;
Assert.AreEqual(rb.LocalSignatureMetadataToken & 0x00FFFFFF, cb.LocalsSig);
if (cb.LocalsSig != 0)
{
LocalsVarSig locals = cb.LocalsSignature;
IEnumerator <CLIType> lv = locals.GetVariables().GetEnumerator();
foreach (LocalVariableInfo v in rb.LocalVariables)
{
Assert.IsTrue(lv.MoveNext());
// Note: Here we are not traversing metadata in order so I get the signature from
// the reflection object.
Assert.AreSame(v.LocalType, lv.Current.GetReflectionType(v.LocalType.GetGenericArguments()));
}
}
}
});
}
public void StatementsBodyTest()
{
MethodTableCursor cur = CLIFile.FindMethod(typeof(GenericsUnitTest).GetMethod("MethodTest"));
CLIFileRW.MethodBody cb = cur.MethodBody;
LocalsVarSig locals = cb.LocalsSignature;
CLIType[] vars = locals.GetVariables().ToArray <CLIType>();
CLIType[] args = cur.GetMethodSignature().GetParameters(cur.FindCLIType()).ToArray <CLIType>();
ILCursor ilc = cb.ILInstructions;
ilc.TrackStack(args, vars, cb.MaxStack);
while (ilc.Next())
{
ILInstruction instr = ilc.Instr;
object o = instr.ResolveParameter(f);
if (ilc.BeginStatement)
{
System.Diagnostics.Debug.WriteLine(string.Format("MethodTest statement at offset: {0:X4}", ilc.Position));
}
}
}
public void MethodBodyAllTest()
{
Assembly mscorlib = typeof(object).Assembly;
CLIFile f = CLIFile.Open(mscorlib.Location);
MethodTableCursor cur = f[TableNames.Method].GetCursor() as MethodTableCursor;
int instrcnt = 0;
int methods = 0;
int implmeth = 0;
int brcnt = 0;
while (cur.Next())
{
// The token 0x0600449a is not resolved by ResolveMethod, it is likely a bug in reflection.
// With .NET 3.5 SP1 the method has moved into token 0x44df.
if (cur.Position == 0x44df)
{
continue;
}
MethodBase mb = mscorlib.ManifestModule.ResolveMethod(cur.MetadataToken);
System.Reflection.MethodBody rb = mb.GetMethodBody();
methods++;
if (rb == null)
{
Assert.IsTrue(rb == null && cur.RVA == 0);
continue;
}
implmeth++;
CLIFileRW.MethodBody cb = cur.MethodBody;
Assert.AreEqual(rb.LocalSignatureMetadataToken & 0xFFFFFF, cb.LocalsSig);
if (rb.LocalSignatureMetadataToken != 0)
{
LocalsVarSig locals = cb.LocalsSignature;
IEnumerator <CLIType> lv = locals.GetVariables().GetEnumerator();
foreach (LocalVariableInfo v in rb.LocalVariables)
{
Assert.IsTrue(lv.MoveNext());
// Fetch instantiation from local type since we are not driven by CLIFile reflection
Assert.AreSame(v.LocalType, lv.Current.GetReflectionType(mb.DeclaringType.ContainsGenericParameters ? mb.DeclaringType.GetGenericArguments() : null, mb.ContainsGenericParameters ? mb.GetGenericArguments() : null));
}
}
ILCursor ilc = cb.ILInstructions;
while (ilc.Next())
{
ILInstruction instr = ilc.Instr;
object o = instr.ResolveParameter(f);
instrcnt++;
if (instr.op == System.Reflection.Emit.OpCodes.Br || instr.op == System.Reflection.Emit.OpCodes.Br_S)
{
brcnt++;
}
}
}
System.Diagnostics.Debug.WriteLine(string.Format("Total methods: {0}", methods));
System.Diagnostics.Debug.WriteLine(string.Format("Impl methods: {0}", implmeth));
System.Diagnostics.Debug.WriteLine(string.Format("Total instructions: {0}", instrcnt));
System.Diagnostics.Debug.WriteLine(string.Format("Total unconditional branch: {0}", brcnt));
System.Diagnostics.Debug.WriteLine(string.Format("Average method len: {0}", (instrcnt / (double)methods)));
}