public static ISymUnmanagedVariable[] GetAndValidateVariables(ISymUnmanagedScope scope, int expectedCount)
{
int count, count2, count3;
Assert.Equal(HResult.S_OK, scope.GetLocalCount(out count));
Assert.Equal(expectedCount, count);
Assert.Equal(HResult.S_OK, scope.GetLocals(0, out count2, null));
Assert.Equal(expectedCount, count2);
var variables = new ISymUnmanagedVariable[count];
Assert.Equal(HResult.S_OK, scope.GetLocals(count, out count3, variables));
Assert.Equal(count, count3);
return(variables);
}
private static void ForEachLocalVariableRecursive(
ISymUnmanagedScope scope,
int offset,
ref ISymUnmanagedVariable[] localsBuffer,
Action <ISymUnmanagedVariable> action)
{
Debug.Assert((offset < 0) || scope.IsInScope(offset));
// apply action on locals of the current scope:
int localCount;
scope.GetLocalCount(out localCount);
if (localCount > 0)
{
EnsureBufferSize(ref localsBuffer, localCount);
scope.GetLocals(localCount, out localCount, localsBuffer);
for (int i = 0; i < localCount; i++)
{
action(localsBuffer[i]);
}
}
// recurse:
int childCount;
scope.GetChildren(0, out childCount, null);
if (childCount > 0)
{
var children = new ISymUnmanagedScope[childCount];
scope.GetChildren(childCount, out childCount, children);
foreach (var child in children)
{
if ((offset < 0) || child.IsInScope(offset))
{
ForEachLocalVariableRecursive(child, offset, ref localsBuffer, action);
if (offset >= 0)
{
return;
}
}
}
}
}
public static void ValidateRootScope(ISymUnmanagedScope scope)
{
int count;
Assert.Equal(HResult.S_OK, scope.GetLocalCount(out count));
Assert.Equal(0, count);
Assert.Equal(HResult.S_OK, ((ISymUnmanagedScope2)scope).GetConstantCount(out count));
Assert.Equal(0, count);
Assert.Equal(HResult.S_OK, ((ISymUnmanagedScope2)scope).GetNamespaces(0, out count, null));
Assert.Equal(0, count);
ISymUnmanagedScope parent;
Assert.Equal(HResult.S_OK, scope.GetParent(out parent));
Assert.Null(parent);
}
//
// Gather the local details in a scope and then recurse to child scopes
//
private void ProbeScopeForLocals(List <LocalVariable> variables, ISymUnmanagedScope scope)
{
int localCount;
ThrowExceptionForHR(scope.GetLocalCount(out localCount));
ISymUnmanagedVariable[] locals = new ISymUnmanagedVariable[localCount];
ThrowExceptionForHR(scope.GetLocals(localCount, out localCount, locals));
for (int i = 0; i < localCount; i++)
{
var local = locals[i];
int slot;
ThrowExceptionForHR(local.GetAddressField1(out slot));
int nameLength;
ThrowExceptionForHR(local.GetName(0, out nameLength, null));
// nameLength includes terminating '\0'
char[] nameBuffer = new char[nameLength];
ThrowExceptionForHR(local.GetName(nameLength, out nameLength, nameBuffer));
int attributes;
ThrowExceptionForHR(local.GetAttributes(out attributes));
variables.Add(new LocalVariable()
{
Slot = slot, Name = new String(nameBuffer, 0, nameLength - 1), CompilerGenerated = (attributes & 0x1) != 0
});
}
int childrenCount;
ThrowExceptionForHR(scope.GetChildren(0, out childrenCount, null));
ISymUnmanagedScope[] children = new ISymUnmanagedScope[childrenCount];
ThrowExceptionForHR(scope.GetChildren(childrenCount, out childrenCount, children));
for (int i = 0; i < childrenCount; i++)
{
ProbeScopeForLocals(variables, children[i]);
}
}
private static ISymUnmanagedVariable[] GetLocalsInternal(ISymUnmanagedScope scope)
{
int numAvailable;
scope.GetLocalCount(out numAvailable);
if (numAvailable == 0)
{
return(null);
}
int numRead;
var locals = new ISymUnmanagedVariable[numAvailable];
scope.GetLocals(numAvailable, out numRead, locals);
if (numRead != numAvailable)
{
throw new InvalidOperationException(string.Format("Read only {0} of {1} locals.", numRead, numAvailable));
}
return(locals);
}
public static ImmutableArray <ISymUnmanagedVariable> GetLocals(this ISymUnmanagedScope scope)
{
int numAvailable;
scope.GetLocalCount(out numAvailable);
if (numAvailable == 0)
{
return(ImmutableArray <ISymUnmanagedVariable> .Empty);
}
int numRead;
var locals = new ISymUnmanagedVariable[numAvailable];
scope.GetLocals(numAvailable, out numRead, locals);
if (numRead != numAvailable)
{
throw new InvalidOperationException(string.Format("Read only {0} of {1} locals.", numRead, numAvailable));
}
return(ImmutableArray.Create(locals));
}
static void _PrintLocals(ICorDebugILFrame ilframe, ISymUnmanagedScope unmScope, uint ip, System.IO.TextWriter writer)
{
int varcount;
unmScope.GetLocalCount(out varcount);
ISymUnmanagedVariable[] vars = new ISymUnmanagedVariable[varcount];
unmScope.GetLocals(varcount, out varcount, vars);
for (int iv = 0; iv < varcount; iv++)
{
ISymUnmanagedVariable var = vars[iv];
string varname;
{
int namelen;
var.GetName(0, out namelen, null);
StringBuilder sbName = new StringBuilder(namelen);
var.GetName(sbName.Capacity, out namelen, sbName);
namelen--; // Remove nul.
sbName.Length = namelen;
varname = sbName.ToString();
}
string valstr;
{
int field1;
var.GetAddressField1(out field1);
ICorDebugValue pvalue;
ilframe.GetLocalVariable((uint)field1, out pvalue);
valstr = ToString(pvalue);
}
writer.WriteLine("{0}={1}", varname, valstr);
}
int cChildren;
unmScope.GetChildren(0, out cChildren, null);
ISymUnmanagedScope[] children = new ISymUnmanagedScope[cChildren];
unmScope.GetChildren(children.Length, out cChildren, children);
for (int ic = 0; ic < cChildren; ic++)
{
_PrintLocals(ilframe, children[ic], ip, writer);
}
}
static ICorDebugValue _FindLocal(string name, ICorDebugILFrame ilframe, ISymUnmanagedScope unmScope, uint ip)
{
int varcount;
unmScope.GetLocalCount(out varcount);
ISymUnmanagedVariable[] vars = new ISymUnmanagedVariable[varcount];
unmScope.GetLocals(varcount, out varcount, vars);
for (int iv = 0; iv < varcount; iv++)
{
ISymUnmanagedVariable var = vars[iv];
string varname;
{
int namelen;
var.GetName(0, out namelen, null);
StringBuilder sbName = new StringBuilder(namelen);
var.GetName(sbName.Capacity, out namelen, sbName);
namelen--; // Remove nul.
sbName.Length = namelen;
varname = sbName.ToString();
}
if (name == varname)
{
int field1;
var.GetAddressField1(out field1);
ICorDebugValue pvalue;
ilframe.GetLocalVariable((uint)field1, out pvalue);
return pvalue;
}
}
int cChildren;
unmScope.GetChildren(0, out cChildren, null);
ISymUnmanagedScope[] children = new ISymUnmanagedScope[cChildren];
unmScope.GetChildren(children.Length, out cChildren, children);
for (int ic = 0; ic < cChildren; ic++)
{
ICorDebugValue pvalue = _FindLocal(name, ilframe, children[ic], ip);
if (null != pvalue)
{
return pvalue;
}
}
return null;
}
//
// Gather the local details in a scope and then recurse to child scopes
//
private void ProbeScopeForLocals(List<ILLocalVariable> variables, ISymUnmanagedScope scope)
{
int localCount;
ThrowExceptionForHR(scope.GetLocalCount(out localCount));
ISymUnmanagedVariable[] locals = new ISymUnmanagedVariable[localCount];
ThrowExceptionForHR(scope.GetLocals(localCount, out localCount, locals));
for (int i = 0; i < localCount; i++)
{
var local = locals[i];
int slot;
ThrowExceptionForHR(local.GetAddressField1(out slot));
int nameLength;
ThrowExceptionForHR(local.GetName(0, out nameLength, null));
// nameLength includes terminating '\0'
char[] nameBuffer = new char[nameLength];
ThrowExceptionForHR(local.GetName(nameLength, out nameLength, nameBuffer));
int attributes;
ThrowExceptionForHR(local.GetAttributes(out attributes));
variables.Add(new ILLocalVariable() { Slot = slot, Name = new String(nameBuffer, 0, nameLength - 1), CompilerGenerated = (attributes & 0x1) != 0 });
}
int childrenCount;
ThrowExceptionForHR(scope.GetChildren(0, out childrenCount, null));
ISymUnmanagedScope[] children = new ISymUnmanagedScope[childrenCount];
ThrowExceptionForHR(scope.GetChildren(childrenCount, out childrenCount, children));
for (int i = 0; i < childrenCount; i++)
{
ProbeScopeForLocals(variables, children[i]);
}
}
public static ISymUnmanagedVariable[] GetAndValidateVariables(ISymUnmanagedScope scope, int expectedCount)
{
int count, count2, count3;
Assert.Equal(HResult.S_OK, scope.GetLocalCount(out count));
Assert.Equal(expectedCount, count);
Assert.Equal(HResult.S_OK, scope.GetLocals(0, out count2, null));
Assert.Equal(expectedCount, count2);
var variables = new ISymUnmanagedVariable[count];
Assert.Equal(HResult.S_OK, scope.GetLocals(count, out count3, variables));
Assert.Equal(count, count3);
return variables;
}
public static void ValidateRootScope(ISymUnmanagedScope scope)
{
int count;
Assert.Equal(HResult.S_OK, scope.GetLocalCount(out count));
Assert.Equal(0, count);
Assert.Equal(HResult.S_OK, ((ISymUnmanagedScope2)scope).GetConstantCount(out count));
Assert.Equal(0, count);
Assert.Equal(HResult.S_OK, ((ISymUnmanagedScope2)scope).GetNamespaces(0, out count, null));
Assert.Equal(0, count);
ISymUnmanagedScope parent;
Assert.Equal(HResult.S_OK, scope.GetParent(out parent));
Assert.Null(parent);
}
public int GetLocalCount(out int pRetVal)
{
return(_scope.GetLocalCount(out pRetVal));
}
internal void GetLocalSourceNames(ISymUnmanagedScope/*!*/ scope, Hashtable/*!*/ localSourceNames)
{
uint numLocals = scope.GetLocalCount();
IntPtr[] localPtrs = new IntPtr[numLocals];
scope.GetLocals((uint)localPtrs.Length, out numLocals, localPtrs);
char[] nameBuffer = new char[100];
uint nameLen;
for (int i = 0; i < numLocals; i++)
{
ISymUnmanagedVariable local =
(ISymUnmanagedVariable)System.Runtime.InteropServices.Marshal.GetTypedObjectForIUnknown(localPtrs[i], typeof(ISymUnmanagedVariable));
if (local != null)
{
local.GetName((uint)nameBuffer.Length, out nameLen, nameBuffer);
int localIndex = (int)local.GetAddressField1();
localSourceNames[localIndex] = new String(nameBuffer, 0, (int)nameLen - 1);
System.Runtime.InteropServices.Marshal.ReleaseComObject(local);
}
System.Runtime.InteropServices.Marshal.Release(localPtrs[i]);
}
IntPtr[] subscopes = new IntPtr[100];
uint numScopes;
scope.GetChildren((uint)subscopes.Length, out numScopes, subscopes);
for (int i = 0; i < numScopes; i++)
{
ISymUnmanagedScope subscope =
(ISymUnmanagedScope)System.Runtime.InteropServices.Marshal.GetTypedObjectForIUnknown(subscopes[i], typeof(ISymUnmanagedScope));
if (subscope != null)
{
this.GetLocalSourceNames(subscope, localSourceNames);
System.Runtime.InteropServices.Marshal.ReleaseComObject(subscope);
}
System.Runtime.InteropServices.Marshal.Release(subscopes[i]);
//TODO: need to figure out how map these scope to blocks and set HasLocals on those blocks
}
}
