private CorGenericValue GetGenericValue()
{
CorGenericValue gv = CorValue.CastToGenericValue();
if (gv == null)
{
throw new MDbgValueWrongTypeException();
}
return(gv);
}
public override object CreateValue(EvaluationContext gctx, object value)
{
CorEvaluationContext ctx = (CorEvaluationContext)gctx;
if (value is string)
{
return(new CorValRef(delegate {
return ctx.Session.NewString(ctx, (string)value);
}));
}
foreach (KeyValuePair <CorElementType, Type> tt in CorMetadataImport.CoreTypes)
{
if (tt.Value == value.GetType())
{
CorValue val = ctx.Eval.CreateValue(tt.Key, null);
CorGenericValue gv = val.CastToGenericValue();
gv.SetValue(value);
return(new CorValRef(val));
}
}
throw new NotSupportedException();
}
public static CorValue GetRealObject(EvaluationContext ctx, CorValue obj)
{
CorEvaluationContext cctx = (CorEvaluationContext)ctx;
if (obj == null)
{
return(null);
}
try {
if (obj is CorStringValue)
{
return(obj);
}
if (obj is CorGenericValue)
{
return(obj);
}
if (obj is CorGenericValue)
{
return(obj);
}
if (obj is CorArrayValue)
{
return(obj);
}
CorArrayValue arrayVal = obj.CastToArrayValue();
if (arrayVal != null)
{
return(arrayVal);
}
CorReferenceValue refVal = obj.CastToReferenceValue();
if (refVal != null)
{
if (refVal.IsNull)
{
return(refVal);
}
else
{
cctx.Session.WaitUntilStopped();
return(GetRealObject(cctx, refVal.Dereference()));
}
}
cctx.Session.WaitUntilStopped();
CorBoxValue boxVal = obj.CastToBoxValue();
if (boxVal != null)
{
return(Unbox(ctx, boxVal));
}
if (obj.ExactType.Type == CorElementType.ELEMENT_TYPE_STRING)
{
return(obj.CastToStringValue());
}
if (CorMetadataImport.CoreTypes.ContainsKey(obj.Type))
{
CorGenericValue genVal = obj.CastToGenericValue();
if (genVal != null)
{
return(genVal);
}
}
if (!(obj is CorObjectValue))
{
return(obj.CastToObjectValue());
}
}
catch {
// Ignore
throw;
}
return(obj);
}
private string InternalGetValue(int indentLevel, int expandDepth, bool canDoFunceval)
{
Debug.Assert(expandDepth >= 0);
CorValue value = this.CorValue;
if (value == null)
{
return("<N/A>");
}
// Record the memory addresses if displaying them is enabled
string prefix = String.Empty;
StringBuilder ptrStrBuilder = null;
if (m_process.m_engine.Options.ShowAddresses)
{
ptrStrBuilder = new StringBuilder();
}
try
{
value = Dereference(value, ptrStrBuilder);
}
catch (COMException ce)
{
if (ce.ErrorCode == (int)HResult.CORDBG_E_BAD_REFERENCE_VALUE)
{
return(MakePrefixFromPtrStringBuilder(ptrStrBuilder) + "<invalid reference value>");
}
throw;
}
prefix = MakePrefixFromPtrStringBuilder(ptrStrBuilder);
if (value == null)
{
return(prefix + "<null>");
}
Unbox(ref value);
switch (value.Type)
{
case CorElementType.ELEMENT_TYPE_BOOLEAN:
case CorElementType.ELEMENT_TYPE_I1:
case CorElementType.ELEMENT_TYPE_U1:
case CorElementType.ELEMENT_TYPE_I2:
case CorElementType.ELEMENT_TYPE_U2:
case CorElementType.ELEMENT_TYPE_I4:
case CorElementType.ELEMENT_TYPE_U4:
case CorElementType.ELEMENT_TYPE_I:
case CorElementType.ELEMENT_TYPE_U:
case CorElementType.ELEMENT_TYPE_I8:
case CorElementType.ELEMENT_TYPE_U8:
case CorElementType.ELEMENT_TYPE_R4:
case CorElementType.ELEMENT_TYPE_R8:
case CorElementType.ELEMENT_TYPE_CHAR:
{
object v = value.CastToGenericValue().GetValue();
string result;
IFormattable vFormattable = v as IFormattable;
if (vFormattable != null)
{
result = vFormattable.ToString(null, System.Globalization.CultureInfo.CurrentUICulture);
}
else
{
result = v.ToString();
}
// let's put quotes around char values
if (value.Type == CorElementType.ELEMENT_TYPE_CHAR)
{
result = "'" + result + "'";
}
return(prefix + result);
}
case CorElementType.ELEMENT_TYPE_CLASS:
case CorElementType.ELEMENT_TYPE_VALUETYPE:
CorObjectValue ov = value.CastToObjectValue();
return(prefix + PrintObject(indentLevel, ov, expandDepth, canDoFunceval));
case CorElementType.ELEMENT_TYPE_STRING:
CorStringValue sv = value.CastToStringValue();
return(prefix + '"' + sv.String + '"');
case CorElementType.ELEMENT_TYPE_SZARRAY:
case CorElementType.ELEMENT_TYPE_ARRAY:
CorArrayValue av = value.CastToArrayValue();
return(prefix + PrintArray(indentLevel, av, expandDepth, canDoFunceval));
case CorElementType.ELEMENT_TYPE_PTR:
return(prefix + "<non-null pointer>");
case CorElementType.ELEMENT_TYPE_FNPTR:
return(prefix + "0x" + value.CastToReferenceValue().Value.ToString("X"));
case CorElementType.ELEMENT_TYPE_BYREF:
case CorElementType.ELEMENT_TYPE_TYPEDBYREF:
case CorElementType.ELEMENT_TYPE_OBJECT:
default:
return(prefix + "<printing value of type: " + value.Type + " not implemented>");
}
}
public CorValue VariableExpressionInvoke(ExpressionParsingResult info)
{
//based on MdbgCommands.SetCmd(string arguments)
if (info.Instance == null)
{
throw new Exception("Cannot resolve variable ");
}
if (info.Arguments == null || !info.Arguments.Any())
{
throw new Exception("Cannot resolve arguments ");
}
// Arguments has to be in the form of variable=varName, variable=value or variable=(<type>)value,
// where we use the ldasm naming convention (e.g. "int", "sbyte", "ushort", etc...) for <type>.
// Example inputs: var=myInt, var=45, var=(long)45
MDbgValue lsMVar = new MDbgValue(process, info.Instance);
CorValue val = info.Arguments.First();
CorGenericValue valGeneric = val as CorGenericValue;
bool bIsReferenceValue = val is CorReferenceValue;
if (lsMVar != null)
{
if (valGeneric != null)
{
CorValue lsVar = lsMVar.CorValue;
if (lsVar == null)
{
throw new Exception("cannot set constant values to unavailable variables");
}
// val is a primitive value
CorGenericValue lsGenVal = lsVar.CastToGenericValue();
if (lsGenVal == null)
{
throw new Exception("cannot set constant values to non-primitive values");
}
try
{
// We want to allow some type coercion. Eg, casting between integer precisions.
lsMVar.Value = val; // This may do type coercion
}
catch (MDbgValueWrongTypeException)
{
throw new Exception(String.Format("Type mismatch. Can't convert from {0} to {1}", val.Type, lsGenVal.Type));
}
}
else if (bIsReferenceValue)
{
//reget variable
lsMVar = process.ResolveVariable(info.Member, process.Threads.Active.CurrentFrame);
lsMVar.Value = val;
}
else
{
if (val.CastToHeapValue() != null)
{
throw new Exception("Heap values should be assigned only to debugger variables");
}
if (val.CastToGenericValue() != null)
{
lsMVar.Value = val.CastToGenericValue();
}
else
{
lsMVar.Value = val.CastToReferenceValue();
}
}
}
// as a last thing we do is to return new value of the variable
lsMVar = process.ResolveVariable(info.Member, process.Threads.Active.CurrentFrame);
return(lsMVar.CorValue);
}
private string InternalGetValue(int indentLevel, int expandDepth, bool canDoFunceval, string variableName, Dictionary <string, int> variablesToLog)
{
Debug.Assert(expandDepth >= 0);
CorValue value = this.CorValue;
if (value == null)
{
return("<N/A>");
}
// Record the memory addresses if displaying them is enabled
string prefix = String.Empty;
StringBuilder ptrStrBuilder = null;
if (m_process.m_engine.Options.ShowAddresses)
{
ptrStrBuilder = new StringBuilder();
}
try
{
value = Dereference(value, ptrStrBuilder);
}
catch (COMException ce)
{
if (ce.ErrorCode == (int)HResult.CORDBG_E_BAD_REFERENCE_VALUE)
{
return(MakePrefixFromPtrStringBuilder(ptrStrBuilder) + "<invalid reference value>");
}
throw;
}
prefix = MakePrefixFromPtrStringBuilder(ptrStrBuilder);
if (value == null)
{
return(prefix + "<null>");
}
Unbox(ref value);
switch (value.Type)
{
case CorElementType.ELEMENT_TYPE_BOOLEAN:
case CorElementType.ELEMENT_TYPE_I1:
case CorElementType.ELEMENT_TYPE_U1:
case CorElementType.ELEMENT_TYPE_I2:
case CorElementType.ELEMENT_TYPE_U2:
case CorElementType.ELEMENT_TYPE_I4:
case CorElementType.ELEMENT_TYPE_U4:
case CorElementType.ELEMENT_TYPE_I:
case CorElementType.ELEMENT_TYPE_U:
case CorElementType.ELEMENT_TYPE_I8:
case CorElementType.ELEMENT_TYPE_U8:
case CorElementType.ELEMENT_TYPE_R4:
case CorElementType.ELEMENT_TYPE_R8:
case CorElementType.ELEMENT_TYPE_CHAR:
{
if (variablesToLog == null)
{
}
else if (!variablesToLog.Any(variable => variable.Key == variableName))
{
return("[SKIP]");
}
object v = value.CastToGenericValue().GetValue();
string result;
IFormattable vFormattable = v as IFormattable;
if (vFormattable != null)
{
result = vFormattable.ToString(null, System.Globalization.CultureInfo.CurrentUICulture);
}
else
{
result = v.ToString();
}
// let's put quotes around char values
if (value.Type == CorElementType.ELEMENT_TYPE_CHAR)
{
result = "'" + result + "'";
}
return(Loger.WriteThisToLog(variableName, prefix + result));
}
case CorElementType.ELEMENT_TYPE_CLASS:
case CorElementType.ELEMENT_TYPE_VALUETYPE:
CorObjectValue ov = value.CastToObjectValue();
var objectString = PrintObject(indentLevel, ov, expandDepth, canDoFunceval, variableName, variablesToLog);
string objectPrint;
if (objectString == "[SKIP]")
{
objectPrint = "[SKIP]";
}
else
{
objectPrint = prefix + objectString;
Loger.WriteThisToLog(variableName, objectPrint.Substring(0, objectPrint.IndexOf('\n') > -1 ? objectPrint.IndexOf('\n') : objectPrint.Length));
}
return(objectPrint);
case CorElementType.ELEMENT_TYPE_STRING:
if (variablesToLog == null)
{
}
else if (!variablesToLog.Any(variable => variable.Key == variableName))
{
return("[SKIP]");
}
CorStringValue sv = value.CastToStringValue();
return(Loger.WriteThisToLog(variableName, $"{prefix}\"{sv.String}\""));
case CorElementType.ELEMENT_TYPE_SZARRAY:
case CorElementType.ELEMENT_TYPE_ARRAY:
CorArrayValue av = value.CastToArrayValue();
var arrayString = PrintArray(indentLevel, av, expandDepth, canDoFunceval, variableName, variablesToLog);
string arrayPrint;
if (arrayString == "[SKIP]")
{
arrayPrint = "[SKIP]";
}
else
{
arrayPrint = prefix + arrayString;
Loger.WriteThisToLog(variableName, arrayPrint.Substring(0, arrayPrint.IndexOf('\n') > -1 ? arrayPrint.IndexOf('\n') : arrayPrint.Length));
}
return(arrayPrint);
case CorElementType.ELEMENT_TYPE_PTR:
return(Loger.WriteThisToLog(variableName, prefix + "<non-null pointer>"));;
case CorElementType.ELEMENT_TYPE_FNPTR:
return(Loger.WriteThisToLog(variableName, prefix + "0x" + value.CastToReferenceValue().Value.ToString("X")));
case CorElementType.ELEMENT_TYPE_BYREF:
case CorElementType.ELEMENT_TYPE_TYPEDBYREF:
case CorElementType.ELEMENT_TYPE_OBJECT:
default:
return(Loger.WriteThisToLog(variableName, prefix + "<printing value of type: " + value.Type + " not implemented>"));
}
}
