private EvalResult GetRow(
DkmInspectionContext inspectionContext,
DkmClrValue value,
int index,
EvalResultDataItem parent)
{
var typeParameter = _typeParameters[index];
var typeArgument = _typeArguments[index];
var typeArgumentInfo = _customTypeInfoMap.SubstituteCustomTypeInfo(typeParameter, customInfo: null);
var formatSpecifiers = Formatter.NoFormatSpecifiers;
return(new EvalResult(
ExpansionKind.TypeVariable,
typeParameter.Name,
typeDeclaringMemberAndInfo: default(TypeAndCustomInfo),
declaredTypeAndInfo: new TypeAndCustomInfo(DkmClrType.Create(value.Type.AppDomain, typeArgument), typeArgumentInfo),
useDebuggerDisplay: parent != null,
value: value,
displayValue: inspectionContext.GetTypeName(DkmClrType.Create(value.Type.AppDomain, typeArgument), typeArgumentInfo, formatSpecifiers),
expansion: null,
childShouldParenthesize: false,
fullName: null,
childFullNamePrefixOpt: null,
formatSpecifiers: formatSpecifiers,
category: DkmEvaluationResultCategory.Data,
flags: DkmEvaluationResultFlags.ReadOnly,
editableValue: null,
inspectionContext: inspectionContext));
}
private static DkmClrType GetEnumerableType(DkmClrValue value)
{
Debug.Assert(!value.IsError());
if (value.IsNull)
{
return(null);
}
var valueType = value.Type.GetLmrType();
// Do not support Results View for strings
// or arrays. (Matches legacy EE.)
if (valueType.IsString() || valueType.IsArray)
{
return(null);
}
var enumerableType = valueType.GetIEnumerableImplementationIfAny();
if (enumerableType == null)
{
return(null);
}
return(DkmClrType.Create(value.Type.AppDomain, enumerableType));
}
internal static DkmClrType GetProxyType(this DkmClrType type)
{
// CONSIDER: If needed, we could probably compute a new DynamicAttribute for
// the proxy type based on the DynamicAttribute of the argument.
DkmClrType attributeTarget;
DkmClrDebuggerTypeProxyAttribute attribute;
if (type.TryGetEvalAttribute(out attributeTarget, out attribute))
{
var targetedType = attributeTarget.GetLmrType();
var proxyType = attribute.ProxyType;
var underlyingProxy = proxyType.GetLmrType();
if (underlyingProxy.IsGenericType && targetedType.IsGenericType)
{
var typeArgs = targetedType.GetGenericArguments();
// Drop the proxy type if the arity does not match.
if (typeArgs.Length != underlyingProxy.GetGenericArguments().Length)
{
return(null);
}
// Substitute target type arguments for proxy type arguments.
var constructedProxy = underlyingProxy.Substitute(underlyingProxy, typeArgs);
proxyType = DkmClrType.Create(type.AppDomain, constructedProxy);
}
return(proxyType);
}
return(null);
}
private static DkmClrType GetEnumerableType(DkmClrValue value, DkmClrType valueType, bool requireExactInterface)
{
if (!IsEnumerableCandidate(value))
{
return(null);
}
var type = valueType.GetLmrType();
Type enumerableType;
if (requireExactInterface)
{
if (!type.IsIEnumerable() && !type.IsIEnumerableOfT())
{
return(null);
}
enumerableType = type;
}
else
{
enumerableType = type.GetIEnumerableImplementationIfAny();
if (enumerableType == null)
{
return(null);
}
}
return(DkmClrType.Create(valueType.AppDomain, enumerableType));
}
internal override string GetArrayDisplayString(DkmClrAppDomain appDomain, Type lmrType, ReadOnlyCollection <int> sizes, ReadOnlyCollection <int> lowerBounds, ObjectDisplayOptions options)
{
Debug.Assert(lmrType.IsArray);
Type originalLmrType = lmrType;
// Strip off all array types. We'll process them at the end.
while (lmrType.IsArray)
{
lmrType = lmrType.GetElementType();
}
var pooled = PooledStringBuilder.GetInstance();
var builder = pooled.Builder;
builder.Append('{');
// We're showing the type of a value, so "dynamic" does not apply.
bool unused;
builder.Append(GetTypeName(new TypeAndCustomInfo(DkmClrType.Create(appDomain, lmrType)), escapeKeywordIdentifiers: false, sawInvalidIdentifier: out unused)); // NOTE: call our impl directly, since we're coupled anyway.
var numSizes = sizes.Count;
builder.Append('[');
for (int i = 0; i < numSizes; i++)
{
if (i > 0)
{
builder.Append(", ");
}
var lowerBound = lowerBounds[i];
var size = sizes[i];
if (lowerBound == 0)
{
builder.Append(FormatLiteral(size, options));
}
else
{
builder.Append(FormatLiteral(lowerBound, options));
builder.Append("..");
builder.Append(FormatLiteral(size + lowerBound - 1, options));
}
}
builder.Append(']');
lmrType = originalLmrType.GetElementType(); // Strip off one layer (already handled).
while (lmrType.IsArray)
{
builder.Append('[');
builder.Append(',', lmrType.GetArrayRank() - 1);
builder.Append(']');
lmrType = lmrType.GetElementType();
}
builder.Append('}');
return(pooled.ToStringAndFree());
}
internal static Type GetBaseTypeOrNull(this Type underlyingType, DkmClrAppDomain appDomain, out DkmClrType type)
{
Debug.Assert((underlyingType.BaseType != null) || underlyingType.IsPointer || underlyingType.IsArray, "BaseType should only return null if the underlyingType is a pointer or array.");
underlyingType = underlyingType.BaseType;
type = (underlyingType != null) ? DkmClrType.Create(appDomain, underlyingType) : null;
return(underlyingType);
}
internal static EvalResult CreateMemberDataItem(
ResultProvider resultProvider,
DkmInspectionContext inspectionContext,
MemberAndDeclarationInfo member,
DkmClrValue memberValue,
EvalResultDataItem parent,
CustomTypeInfoTypeArgumentMap customTypeInfoMap,
ExpansionFlags flags,
bool supportsFavorites)
{
var fullNameProvider = resultProvider.FullNameProvider;
var declaredType = member.Type;
var declaredTypeInfo = customTypeInfoMap.SubstituteCustomTypeInfo(member.OriginalDefinitionType, member.TypeInfo);
string memberName;
// Considering, we're not handling the case of a member inherited from a generic base type.
var typeDeclaringMember = member.GetExplicitlyImplementedInterface(out memberName) ?? member.DeclaringType;
var typeDeclaringMemberInfo = typeDeclaringMember.IsInterface
? customTypeInfoMap.SubstituteCustomTypeInfo(typeDeclaringMember.GetInterfaceListEntry(member.DeclaringType), customInfo: null)
: null;
var memberNameForFullName = fullNameProvider.GetClrValidIdentifier(inspectionContext, memberName);
var appDomain = memberValue.Type.AppDomain;
string fullName;
if (memberNameForFullName == null)
{
fullName = null;
}
else
{
memberName = memberNameForFullName;
fullName = MakeFullName(
fullNameProvider,
inspectionContext,
memberNameForFullName,
new TypeAndCustomInfo(DkmClrType.Create(appDomain, typeDeclaringMember), typeDeclaringMemberInfo), // Note: Won't include DynamicAttribute.
member.RequiresExplicitCast,
member.IsStatic,
parent);
}
return(resultProvider.CreateDataItem(
inspectionContext,
memberName,
typeDeclaringMemberAndInfo: (member.IncludeTypeInMemberName || typeDeclaringMember.IsInterface) ? new TypeAndCustomInfo(DkmClrType.Create(appDomain, typeDeclaringMember), typeDeclaringMemberInfo) : default(TypeAndCustomInfo), // Note: Won't include DynamicAttribute.
declaredTypeAndInfo: new TypeAndCustomInfo(DkmClrType.Create(appDomain, declaredType), declaredTypeInfo),
value: memberValue,
useDebuggerDisplay: parent != null,
expansionFlags: flags,
childShouldParenthesize: false,
fullName: fullName,
formatSpecifiers: Formatter.NoFormatSpecifiers,
category: DkmEvaluationResultCategory.Other,
flags: memberValue.EvalFlags,
evalFlags: DkmEvaluationFlags.None,
canFavorite: member.CanFavorite,
isFavorite: member.IsFavorite,
supportsFavorites: supportsFavorites));
}
private static TypeAndCustomInfo GetTupleFieldTypeAndInfo(
DkmClrAppDomain appDomain,
FieldInfo field,
CustomTypeInfoTypeArgumentMap customTypeInfoMap)
{
var declaringTypeDef = field.DeclaringType.GetGenericTypeDefinition();
var fieldDef = declaringTypeDef.GetTupleField(field.Name);
var fieldType = DkmClrType.Create(appDomain, field.FieldType);
var fieldTypeInfo = customTypeInfoMap.SubstituteCustomTypeInfo(fieldDef.FieldType, null);
return(new TypeAndCustomInfo(fieldType, fieldTypeInfo));
}
public DkmClrValue GetArrayElement(int[] indices)
{
var array = (System.Array)_rawValue;
var element = array.GetValue(indices);
var type = DkmClrType.Create(this.Type.AppDomain, (TypeImpl)((element == null) ? array.GetType().GetElementType() : element.GetType()));
return(new DkmClrValue(
element,
element,
type: type,
alias: null,
formatter: _formatter,
evalFlags: DkmEvaluationResultFlags.None,
valueFlags: DkmClrValueFlags.None,
inspectionContext: this.InspectionContext));
}
public DkmClrValue GetArrayElement(int[] indices, DkmInspectionContext inspectionContext)
{
if (inspectionContext == null)
{
throw new ArgumentNullException(nameof(inspectionContext));
}
var array = (System.Array)RawValue;
var element = array.GetValue(indices);
var type = DkmClrType.Create(this.Type.AppDomain, (TypeImpl)((element == null) ? array.GetType().GetElementType() : element.GetType()));
return(new DkmClrValue(
element,
element,
type: type,
alias: null,
evalFlags: DkmEvaluationResultFlags.None,
valueFlags: DkmClrValueFlags.None));
}
private DkmEvaluationResult GetRow(ResultProvider resultProvider, DkmClrValue value, int index, EvalResultDataItem parent)
{
var inspectionContext = value.InspectionContext;
var appDomain = value.Type.AppDomain;
var typeParameter = _typeParameters[index];
var typeArgument = _typeArguments[index];
var type = DkmClrType.Create(appDomain, typeArgument);
var name = typeParameter.Name;
var dataItem = new EvalResultDataItem(
name,
typeDeclaringMember: null,
declaredType: typeArgument,
value: null,
expansion: null,
childShouldParenthesize: false,
fullName: null,
childFullNamePrefixOpt: null,
formatSpecifiers: Formatter.NoFormatSpecifiers,
category: DkmEvaluationResultCategory.Data,
flags: DkmEvaluationResultFlags.ReadOnly,
editableValue: null);
var typeName = inspectionContext.GetTypeName(DkmClrType.Create(appDomain, typeArgument));
return(DkmSuccessEvaluationResult.Create(
inspectionContext,
value.StackFrame,
name,
dataItem.FullName,
dataItem.Flags,
Value: typeName,
EditableValue: null,
Type: typeName,
Category: dataItem.Category,
Access: value.Access,
StorageType: value.StorageType,
TypeModifierFlags: value.TypeModifierFlags,
Address: value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
}
private static DkmEvaluationResult GetMemberRow(
ResultProvider resultProvider,
DkmInspectionContext inspectionContext,
DkmClrValue value,
MemberAndDeclarationInfo member,
EvalResultDataItem parent)
{
var memberValue = GetMemberValue(value, member);
var dataItem = CreateMemberDataItem(
resultProvider,
inspectionContext,
member,
memberValue,
parent,
ExpansionFlags.All);
return(resultProvider.GetResult(
dataItem,
memberValue.Type,
DkmClrType.Create(memberValue.Type.AppDomain, member.Type),
parent));
}
private EvalResultDataItem GetRow(ResultProvider resultProvider, DkmInspectionContext inspectionContext, DkmClrValue value, int index, EvalResultDataItem parent)
{
var typeParameter = _typeParameters[index];
var typeArgument = _typeArguments[index];
var formatSpecifiers = Formatter.NoFormatSpecifiers;
return(new EvalResultDataItem(
ExpansionKind.TypeVariables,
typeParameter.Name,
typeDeclaringMember: null,
declaredType: typeArgument,
parent: parent,
value: value,
displayValue: inspectionContext.GetTypeName(DkmClrType.Create(value.Type.AppDomain, typeArgument), formatSpecifiers),
expansion: null,
childShouldParenthesize: false,
fullName: null,
childFullNamePrefixOpt: null,
formatSpecifiers: formatSpecifiers,
category: DkmEvaluationResultCategory.Data,
flags: DkmEvaluationResultFlags.ReadOnly,
editableValue: null,
inspectionContext: inspectionContext));
}
internal static void AppendTypeMembers(
this Type type,
ArrayBuilder <MemberAndDeclarationInfo> includedMembers,
Predicate <MemberInfo> predicate,
Type declaredType,
DkmClrAppDomain appDomain,
bool includeInherited,
bool hideNonPublic)
{
Debug.Assert(!type.IsInterface);
var memberLocation = DeclarationInfo.FromSubTypeOfDeclaredType;
var previousDeclarationMap = includeInherited ? new Dictionary <string, DeclarationInfo>() : null;
int inheritanceLevel = 0;
while (!type.IsObject())
{
if (type.Equals(declaredType))
{
Debug.Assert(memberLocation == DeclarationInfo.FromSubTypeOfDeclaredType);
memberLocation = DeclarationInfo.FromDeclaredTypeOrBase;
}
// Get the state from DebuggerBrowsableAttributes for the members of the current type.
var browsableState = DkmClrType.Create(appDomain, type).GetDebuggerBrowsableAttributeState();
// Hide non-public members if hideNonPublic is specified (intended to reflect the
// DkmInspectionContext's DkmEvaluationFlags), and the type is from an assembly
// with no symbols.
var hideNonPublicBehavior = DeclarationInfo.None;
if (hideNonPublic)
{
var moduleInstance = appDomain.FindClrModuleInstance(type.Module.ModuleVersionId);
if (moduleInstance == null || moduleInstance.Module == null)
{
// Synthetic module or no symbols loaded.
hideNonPublicBehavior = DeclarationInfo.HideNonPublic;
}
}
foreach (var member in type.GetMembers(MemberBindingFlags))
{
if (!predicate(member))
{
continue;
}
var memberName = member.Name;
// This represents information about the immediately preceding (more derived)
// declaration with the same name as the current member.
var previousDeclaration = DeclarationInfo.None;
var memberNameAlreadySeen = false;
if (includeInherited)
{
memberNameAlreadySeen = previousDeclarationMap.TryGetValue(memberName, out previousDeclaration);
if (memberNameAlreadySeen)
{
// There was a name conflict, so we'll need to include the declaring
// type of the member to disambiguate.
previousDeclaration |= DeclarationInfo.IncludeTypeInMemberName;
}
// Update previous member with name hiding (casting) and declared location information for next time.
previousDeclarationMap[memberName] =
(previousDeclaration & ~(DeclarationInfo.RequiresExplicitCast |
DeclarationInfo.FromSubTypeOfDeclaredType)) |
member.AccessingBaseMemberWithSameNameRequiresExplicitCast() |
memberLocation;
}
Debug.Assert(memberNameAlreadySeen != (previousDeclaration == DeclarationInfo.None));
// Decide whether to include this member in the list of members to display.
if (!memberNameAlreadySeen || previousDeclaration.IsSet(DeclarationInfo.RequiresExplicitCast))
{
DkmClrDebuggerBrowsableAttributeState?browsableStateValue = null;
if (browsableState != null)
{
DkmClrDebuggerBrowsableAttributeState value;
if (browsableState.TryGetValue(memberName, out value))
{
browsableStateValue = value;
}
}
if (memberLocation.IsSet(DeclarationInfo.FromSubTypeOfDeclaredType))
{
// If the current type is a sub-type of the declared type, then
// we always need to insert a cast to access the member
previousDeclaration |= DeclarationInfo.RequiresExplicitCast;
}
else if (previousDeclaration.IsSet(DeclarationInfo.FromSubTypeOfDeclaredType))
{
// If the immediately preceding member (less derived) was
// declared on a sub-type of the declared type, then we'll
// ignore the casting bit. Accessing a member through the
// declared type is the same as casting to that type, so
// the cast would be redundant.
previousDeclaration &= ~DeclarationInfo.RequiresExplicitCast;
}
previousDeclaration |= hideNonPublicBehavior;
includedMembers.Add(new MemberAndDeclarationInfo(member, browsableStateValue, previousDeclaration, inheritanceLevel));
}
}
if (!includeInherited)
{
break;
}
type = type.BaseType;
inheritanceLevel++;
}
includedMembers.Sort(MemberAndDeclarationInfo.Comparer);
}
/// <remarks>
/// Very simple expression evaluation (may not support all syntax supported by Concord).
/// </remarks>
public void EvaluateDebuggerDisplayString(DkmWorkList workList, DkmInspectionContext inspectionContext, DkmClrType targetType, string formatString, DkmCompletionRoutine <DkmEvaluateDebuggerDisplayStringAsyncResult> completionRoutine)
{
Debug.Assert(!this.IsNull, "Not supported by VIL");
if (inspectionContext == null)
{
throw new ArgumentNullException(nameof(inspectionContext));
}
var pooled = PooledStringBuilder.GetInstance();
var builder = pooled.Builder;
int openPos = -1;
int length = formatString.Length;
for (int i = 0; i < length; i++)
{
char ch = formatString[i];
if (ch == '{')
{
if (openPos >= 0)
{
throw new ArgumentException(string.Format("Nested braces in '{0}'", formatString));
}
openPos = i;
}
else if (ch == '}')
{
if (openPos < 0)
{
throw new ArgumentException(string.Format("Unmatched closing brace in '{0}'", formatString));
}
string name = formatString.Substring(openPos + 1, i - openPos - 1);
openPos = -1;
var formatSpecifiers = Formatter.NoFormatSpecifiers;
int commaIndex = name.IndexOf(',');
if (commaIndex >= 0)
{
var rawFormatSpecifiers = name.Substring(commaIndex + 1).Split(',');
var trimmedFormatSpecifiers = ArrayBuilder <string> .GetInstance(rawFormatSpecifiers.Length);
trimmedFormatSpecifiers.AddRange(rawFormatSpecifiers.Select(fs => fs.Trim()));
formatSpecifiers = trimmedFormatSpecifiers.ToImmutableAndFree();
foreach (var formatSpecifier in formatSpecifiers)
{
if (formatSpecifier == "nq")
{
inspectionContext = new DkmInspectionContext(_formatter, inspectionContext.EvaluationFlags | DkmEvaluationFlags.NoQuotes, inspectionContext.Radix, inspectionContext.RuntimeInstance);
}
// If we need to support additional format specifiers, add them here...
}
name = name.Substring(0, commaIndex);
}
var type = ((TypeImpl)this.Type.GetLmrType()).Type;
const System.Reflection.BindingFlags bindingFlags =
System.Reflection.BindingFlags.Public |
System.Reflection.BindingFlags.NonPublic |
System.Reflection.BindingFlags.Instance |
System.Reflection.BindingFlags.Static;
DkmClrValue exprValue;
var appDomain = this.Type.AppDomain;
var field = type.GetField(name, bindingFlags);
if (field != null)
{
var fieldValue = field.GetValue(RawValue);
exprValue = new DkmClrValue(
fieldValue,
fieldValue,
DkmClrType.Create(appDomain, (TypeImpl)((fieldValue == null) ? field.FieldType : fieldValue.GetType())),
alias: null,
formatter: _formatter,
evalFlags: GetEvaluationResultFlags(fieldValue),
valueFlags: DkmClrValueFlags.None);
}
else
{
var property = type.GetProperty(name, bindingFlags);
if (property != null)
{
var propertyValue = property.GetValue(RawValue);
exprValue = new DkmClrValue(
propertyValue,
propertyValue,
DkmClrType.Create(appDomain, (TypeImpl)((propertyValue == null) ? property.PropertyType : propertyValue.GetType())),
alias: null,
formatter: _formatter,
evalFlags: GetEvaluationResultFlags(propertyValue),
valueFlags: DkmClrValueFlags.None);
}
else
{
var openParenIndex = name.IndexOf('(');
if (openParenIndex >= 0)
{
name = name.Substring(0, openParenIndex);
}
var method = type.GetMethod(name, bindingFlags);
// The real implementation requires parens on method invocations, so
// we'll return error if there wasn't at least an open paren...
if ((openParenIndex >= 0) && method != null)
{
var methodValue = method.Invoke(RawValue, new object[] { });
exprValue = new DkmClrValue(
methodValue,
methodValue,
DkmClrType.Create(appDomain, (TypeImpl)((methodValue == null) ? method.ReturnType : methodValue.GetType())),
alias: null,
formatter: _formatter,
evalFlags: GetEvaluationResultFlags(methodValue),
valueFlags: DkmClrValueFlags.None);
}
else
{
var stringValue = "Problem evaluating expression";
var stringType = DkmClrType.Create(appDomain, (TypeImpl)typeof(string));
exprValue = new DkmClrValue(
stringValue,
stringValue,
stringType,
alias: null,
formatter: _formatter,
evalFlags: DkmEvaluationResultFlags.None,
valueFlags: DkmClrValueFlags.Error);
}
}
}
builder.Append(exprValue.GetValueString(inspectionContext, formatSpecifiers)); // Re-enter the formatter.
}
else if (openPos < 0)
{
builder.Append(ch);
}
}
if (openPos >= 0)
{
throw new ArgumentException(string.Format("Unmatched open brace in '{0}'", formatString));
}
workList.AddWork(() => completionRoutine(new DkmEvaluateDebuggerDisplayStringAsyncResult(pooled.ToStringAndFree())));
}
private void CreateEvaluationResultAndContinue(EvalResultDataItem dataItem, DkmWorkList workList, DkmInspectionContext inspectionContext, DkmStackWalkFrame stackFrame, CompletionRoutine <DkmEvaluationResult> completionRoutine)
{
switch (dataItem.Kind)
{
case ExpansionKind.Error:
completionRoutine(DkmFailedEvaluationResult.Create(
inspectionContext,
StackFrame: stackFrame,
Name: dataItem.Name,
FullName: dataItem.FullName,
ErrorMessage: dataItem.DisplayValue,
Flags: DkmEvaluationResultFlags.None,
Type: null,
DataItem: null));
break;
case ExpansionKind.NonPublicMembers:
case ExpansionKind.StaticMembers:
completionRoutine(CreateEvaluationResult(
inspectionContext,
dataItem.Value,
dataItem.Name,
typeName: string.Empty,
display: null,
dataItem: dataItem));
break;
case ExpansionKind.RawView:
completionRoutine(CreateEvaluationResult(
inspectionContext,
dataItem.Value,
Resources.RawView,
typeName: string.Empty,
display: null,
dataItem: dataItem));
break;
case ExpansionKind.ResultsView:
completionRoutine(CreateEvaluationResult(
inspectionContext,
dataItem.Value,
dataItem.Name,
typeName: string.Empty,
display: Resources.ResultsViewValueWarning,
dataItem: dataItem));
break;
case ExpansionKind.TypeVariables:
var value = dataItem.Value;
completionRoutine(DkmSuccessEvaluationResult.Create(
inspectionContext,
stackFrame,
dataItem.Name,
dataItem.FullName,
dataItem.Flags,
dataItem.DisplayValue,
EditableValue: null,
Type: dataItem.DisplayValue,
Category: dataItem.Category,
Access: value.Access,
StorageType: value.StorageType,
TypeModifierFlags: value.TypeModifierFlags,
Address: value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
break;
default:
Debug.Assert((dataItem.Kind == ExpansionKind.Default) || (dataItem.Kind == ExpansionKind.PointerDereference));
// This call will evaluate DebuggerDisplayAttributes.
GetResultAndContinue(
dataItem,
workList,
declaredType: DkmClrType.Create(dataItem.Value.Type.AppDomain, dataItem.DeclaredType),
inspectionContext: inspectionContext,
parent: dataItem.Parent,
completionRoutine: completionRoutine);
break;
}
}
/// <remarks>
/// Very simple expression evaluation (may not support all syntax supported by Concord).
/// </remarks>
public string EvaluateDebuggerDisplayString(string formatString)
{
Debug.Assert(!this.IsNull, "Not supported by VIL");
var pooled = PooledStringBuilder.GetInstance();
var builder = pooled.Builder;
int openPos = -1;
int length = formatString.Length;
for (int i = 0; i < length; i++)
{
char ch = formatString[i];
if (ch == '{')
{
if (openPos >= 0)
{
throw new ArgumentException(string.Format("Nested braces in '{0}'", formatString));
}
openPos = i;
}
else if (ch == '}')
{
if (openPos < 0)
{
throw new ArgumentException(string.Format("Unmatched closing brace in '{0}'", formatString));
}
string name = formatString.Substring(openPos + 1, i - openPos - 1);
openPos = -1;
// Ignore any format specifiers.
int commaIndex = name.IndexOf(',');
if (commaIndex >= 0)
{
name = name.Substring(0, commaIndex);
}
var type = ((TypeImpl)this.Type.GetLmrType()).Type;
var bindingFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
DkmClrValue exprValue;
var appDomain = this.Type.AppDomain;
var field = type.GetField(name, bindingFlags);
if (field != null)
{
var fieldValue = field.GetValue(_rawValue);
exprValue = new DkmClrValue(
fieldValue,
fieldValue,
DkmClrType.Create(appDomain, (TypeImpl)((fieldValue == null) ? field.FieldType : fieldValue.GetType())),
alias: null,
formatter: _formatter,
evalFlags: GetEvaluationResultFlags(fieldValue),
valueFlags: DkmClrValueFlags.None,
inspectionContext: this.InspectionContext);
}
else
{
var property = type.GetProperty(name, bindingFlags);
if (property != null)
{
var propertyValue = property.GetValue(_rawValue);
exprValue = new DkmClrValue(
propertyValue,
propertyValue,
DkmClrType.Create(appDomain, (TypeImpl)((propertyValue == null) ? property.PropertyType : propertyValue.GetType())),
alias: null,
formatter: _formatter,
evalFlags: GetEvaluationResultFlags(propertyValue),
valueFlags: DkmClrValueFlags.None,
inspectionContext: this.InspectionContext);
}
else
{
var openParenIndex = name.IndexOf('(');
if (openParenIndex >= 0)
{
name = name.Substring(0, openParenIndex);
}
var method = type.GetMethod(name, bindingFlags);
// The real implementation requires parens on method invocations, so
// we'll return error if there wasn't at least an open paren...
if ((openParenIndex >= 0) && method != null)
{
var methodValue = method.Invoke(_rawValue, new object[] { });
exprValue = new DkmClrValue(
methodValue,
methodValue,
DkmClrType.Create(appDomain, (TypeImpl)((methodValue == null) ? method.ReturnType : methodValue.GetType())),
alias: null,
formatter: _formatter,
evalFlags: GetEvaluationResultFlags(methodValue),
valueFlags: DkmClrValueFlags.None,
inspectionContext: this.InspectionContext);
}
else
{
var stringValue = "Problem evaluating expression";
var stringType = DkmClrType.Create(appDomain, (TypeImpl)typeof(string));
exprValue = new DkmClrValue(
stringValue,
stringValue,
stringType,
alias: null,
formatter: _formatter,
evalFlags: DkmEvaluationResultFlags.None,
valueFlags: DkmClrValueFlags.Error,
inspectionContext: this.InspectionContext);
}
}
}
builder.Append(exprValue.GetValueString()); // Re-enter the formatter.
}
else if (openPos < 0)
{
builder.Append(ch);
}
}
if (openPos >= 0)
{
throw new ArgumentException(string.Format("Unmatched open brace in '{0}'", formatString));
}
return(pooled.ToStringAndFree());
}
internal Expansion GetTypeExpansion(
DkmInspectionContext inspectionContext,
TypeAndCustomInfo declaredTypeAndInfo,
DkmClrValue value,
ExpansionFlags flags)
{
var declaredType = declaredTypeAndInfo.Type;
Debug.Assert(!declaredType.IsTypeVariables());
if ((inspectionContext.EvaluationFlags & DkmEvaluationFlags.NoExpansion) != 0)
{
return(null);
}
var runtimeType = value.Type.GetLmrType();
// If the value is an array, expand the array elements.
if (runtimeType.IsArray)
{
var sizes = value.ArrayDimensions;
if (sizes == null)
{
// Null array. No expansion.
return(null);
}
var lowerBounds = value.ArrayLowerBounds;
Type elementType;
DkmClrCustomTypeInfo elementTypeInfo;
if (declaredType.IsArray)
{
elementType = declaredType.GetElementType();
elementTypeInfo = CustomTypeInfo.SkipOne(declaredTypeAndInfo.Info);
}
else
{
elementType = runtimeType.GetElementType();
elementTypeInfo = null;
}
return(ArrayExpansion.CreateExpansion(new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, elementType), elementTypeInfo), sizes, lowerBounds));
}
if (this.IsPrimitiveType(runtimeType))
{
return(null);
}
if (declaredType.IsFunctionPointer())
{
// Function pointers have no expansion
return(null);
}
if (declaredType.IsPointer)
{
// If this assert fails, the element type info is just .SkipOne().
Debug.Assert(declaredTypeAndInfo.Info?.PayloadTypeId != CustomTypeInfo.PayloadTypeId);
var elementType = declaredType.GetElementType();
return(value.IsNull || elementType.IsVoid()
? null
: new PointerDereferenceExpansion(new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, elementType))));
}
if (value.EvalFlags.Includes(DkmEvaluationResultFlags.ExceptionThrown) &&
runtimeType.IsEmptyResultsViewException())
{
// The value is an exception thrown expanding an empty
// IEnumerable. Use the runtime type of the exception and
// skip base types. (This matches the native EE behavior
// to expose a single property from the exception.)
flags &= ~ExpansionFlags.IncludeBaseMembers;
}
return(MemberExpansion.CreateExpansion(inspectionContext, declaredTypeAndInfo, value, flags, TypeHelpers.IsVisibleMember, this));
}
internal EvalResult CreateDataItem(
DkmInspectionContext inspectionContext,
string name,
TypeAndCustomInfo typeDeclaringMemberAndInfo,
TypeAndCustomInfo declaredTypeAndInfo,
DkmClrValue value,
bool useDebuggerDisplay,
ExpansionFlags expansionFlags,
bool childShouldParenthesize,
string fullName,
ReadOnlyCollection <string> formatSpecifiers,
DkmEvaluationResultCategory category,
DkmEvaluationResultFlags flags,
DkmEvaluationFlags evalFlags)
{
if ((evalFlags & DkmEvaluationFlags.ShowValueRaw) != 0)
{
formatSpecifiers = Formatter.AddFormatSpecifier(formatSpecifiers, "raw");
}
Expansion expansion;
// If the declared type is Nullable<T>, the value should
// have no expansion if null, or be expanded as a T.
var declaredType = declaredTypeAndInfo.Type;
var lmrNullableTypeArg = declaredType.GetNullableTypeArgument();
if (lmrNullableTypeArg != null && !value.HasExceptionThrown())
{
Debug.Assert(value.Type.GetProxyType() == null);
DkmClrValue nullableValue;
if (value.IsError())
{
expansion = null;
}
else if ((nullableValue = value.GetNullableValue(lmrNullableTypeArg, inspectionContext)) == null)
{
Debug.Assert(declaredType.Equals(value.Type.GetLmrType()));
// No expansion of "null".
expansion = null;
}
else
{
value = nullableValue;
Debug.Assert(lmrNullableTypeArg.Equals(value.Type.GetLmrType())); // If this is not the case, add a test for includeRuntimeTypeIfNecessary.
// CONSIDER: The DynamicAttribute for the type argument should just be Skip(1) of the original flag array.
expansion = this.GetTypeExpansion(inspectionContext, new TypeAndCustomInfo(DkmClrType.Create(declaredTypeAndInfo.ClrType.AppDomain, lmrNullableTypeArg)), value, ExpansionFlags.IncludeResultsView);
}
}
else if (value.IsError() || (inspectionContext.EvaluationFlags & DkmEvaluationFlags.NoExpansion) != 0)
{
expansion = null;
}
else
{
expansion = DebuggerTypeProxyExpansion.CreateExpansion(
this,
inspectionContext,
name,
typeDeclaringMemberAndInfo,
declaredTypeAndInfo,
value,
childShouldParenthesize,
fullName,
flags.Includes(DkmEvaluationResultFlags.ExceptionThrown) ? null : fullName,
formatSpecifiers,
flags,
Formatter2.GetEditableValueString(value, inspectionContext, declaredTypeAndInfo.Info));
if (expansion == null)
{
expansion = value.HasExceptionThrown()
? this.GetTypeExpansion(inspectionContext, new TypeAndCustomInfo(value.Type), value, expansionFlags)
: this.GetTypeExpansion(inspectionContext, declaredTypeAndInfo, value, expansionFlags);
}
}
return(new EvalResult(
ExpansionKind.Default,
name,
typeDeclaringMemberAndInfo,
declaredTypeAndInfo,
useDebuggerDisplay: useDebuggerDisplay,
value: value,
displayValue: null,
expansion: expansion,
childShouldParenthesize: childShouldParenthesize,
fullName: fullName,
childFullNamePrefixOpt: flags.Includes(DkmEvaluationResultFlags.ExceptionThrown) ? null : fullName,
formatSpecifiers: formatSpecifiers,
category: category,
flags: flags,
editableValue: Formatter2.GetEditableValueString(value, inspectionContext, declaredTypeAndInfo.Info),
inspectionContext: inspectionContext));
}
private void CreateEvaluationResultAndContinue(EvalResultDataItem dataItem, WorkList workList, DkmInspectionContext inspectionContext, DkmStackWalkFrame stackFrame, CompletionRoutine <DkmEvaluationResult> completionRoutine)
{
switch (dataItem.Kind)
{
case ExpansionKind.Error:
completionRoutine(DkmFailedEvaluationResult.Create(
inspectionContext,
StackFrame: stackFrame,
Name: dataItem.Name,
FullName: dataItem.FullName,
ErrorMessage: dataItem.DisplayValue,
Flags: DkmEvaluationResultFlags.None,
Type: null,
DataItem: null));
break;
case ExpansionKind.NativeView:
{
var value = dataItem.Value;
var name = Resources.NativeView;
var fullName = dataItem.FullName;
var display = dataItem.Name;
DkmEvaluationResult evalResult;
if (value.IsError())
{
evalResult = DkmFailedEvaluationResult.Create(
inspectionContext,
stackFrame,
Name: name,
FullName: fullName,
ErrorMessage: display,
Flags: dataItem.Flags,
Type: null,
DataItem: dataItem);
}
else
{
// For Native View, create a DkmIntermediateEvaluationResult.
// This will allow the C++ EE to take over expansion.
var process = inspectionContext.RuntimeInstance.Process;
var cpp = process.EngineSettings.GetLanguage(new DkmCompilerId(DkmVendorId.Microsoft, DkmLanguageId.Cpp));
evalResult = DkmIntermediateEvaluationResult.Create(
inspectionContext,
stackFrame,
Name: name,
FullName: fullName,
Expression: display,
IntermediateLanguage: cpp,
TargetRuntime: process.GetNativeRuntimeInstance(),
DataItem: dataItem);
}
completionRoutine(evalResult);
}
break;
case ExpansionKind.NonPublicMembers:
completionRoutine(DkmSuccessEvaluationResult.Create(
inspectionContext,
stackFrame,
Name: Resources.NonPublicMembers,
FullName: dataItem.FullName,
Flags: dataItem.Flags,
Value: null,
EditableValue: null,
Type: string.Empty,
Category: DkmEvaluationResultCategory.Data,
Access: DkmEvaluationResultAccessType.None,
StorageType: DkmEvaluationResultStorageType.None,
TypeModifierFlags: DkmEvaluationResultTypeModifierFlags.None,
Address: dataItem.Value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
break;
case ExpansionKind.StaticMembers:
completionRoutine(DkmSuccessEvaluationResult.Create(
inspectionContext,
stackFrame,
Name: Formatter.StaticMembersString,
FullName: dataItem.FullName,
Flags: dataItem.Flags,
Value: null,
EditableValue: null,
Type: string.Empty,
Category: DkmEvaluationResultCategory.Class,
Access: DkmEvaluationResultAccessType.None,
StorageType: DkmEvaluationResultStorageType.None,
TypeModifierFlags: DkmEvaluationResultTypeModifierFlags.None,
Address: dataItem.Value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
break;
case ExpansionKind.RawView:
completionRoutine(DkmSuccessEvaluationResult.Create(
inspectionContext,
stackFrame,
Name: Resources.RawView,
FullName: dataItem.FullName,
Flags: dataItem.Flags,
Value: null,
EditableValue: dataItem.EditableValue,
Type: string.Empty,
Category: DkmEvaluationResultCategory.Data,
Access: DkmEvaluationResultAccessType.None,
StorageType: DkmEvaluationResultStorageType.None,
TypeModifierFlags: DkmEvaluationResultTypeModifierFlags.None,
Address: dataItem.Value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
break;
case ExpansionKind.DynamicView:
case ExpansionKind.ResultsView:
completionRoutine(DkmSuccessEvaluationResult.Create(
inspectionContext,
stackFrame,
dataItem.Name,
dataItem.FullName,
dataItem.Flags,
dataItem.DisplayValue,
EditableValue: null,
Type: string.Empty,
Category: DkmEvaluationResultCategory.Method,
Access: DkmEvaluationResultAccessType.None,
StorageType: DkmEvaluationResultStorageType.None,
TypeModifierFlags: DkmEvaluationResultTypeModifierFlags.None,
Address: dataItem.Value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
break;
case ExpansionKind.TypeVariable:
completionRoutine(DkmSuccessEvaluationResult.Create(
inspectionContext,
stackFrame,
dataItem.Name,
dataItem.FullName,
dataItem.Flags,
dataItem.DisplayValue,
EditableValue: null,
Type: dataItem.DisplayValue,
Category: DkmEvaluationResultCategory.Data,
Access: DkmEvaluationResultAccessType.None,
StorageType: DkmEvaluationResultStorageType.None,
TypeModifierFlags: DkmEvaluationResultTypeModifierFlags.None,
Address: dataItem.Value.Address,
CustomUIVisualizers: null,
ExternalModules: null,
DataItem: dataItem));
break;
case ExpansionKind.PointerDereference:
case ExpansionKind.Default:
// This call will evaluate DebuggerDisplayAttributes.
GetResultAndContinue(
dataItem,
workList,
declaredType: DkmClrType.Create(dataItem.Value.Type.AppDomain, dataItem.DeclaredTypeAndInfo.Type),
declaredTypeInfo: dataItem.DeclaredTypeAndInfo.Info,
inspectionContext: inspectionContext,
parent: dataItem.Parent,
completionRoutine: completionRoutine);
break;
default:
throw ExceptionUtilities.UnexpectedValue(dataItem.Kind);
}
}
private static DkmEvaluationResult GetRow(
ResultProvider resultProvider,
DkmInspectionContext inspectionContext,
DkmClrValue pointer,
Type elementType,
EvalResultDataItem parent)
{
var value = pointer.Dereference();
var valueType = value.Type.GetLmrType();
var wasExceptionThrown = value.EvalFlags.Includes(DkmEvaluationResultFlags.ExceptionThrown);
string debuggerDisplayName;
string debuggerDisplayValue;
string debuggerDisplayType;
value.GetDebuggerDisplayStrings(out debuggerDisplayName, out debuggerDisplayValue, out debuggerDisplayType);
var declaredType = elementType;
var typeName = debuggerDisplayType ?? pointer.InspectionContext.GetTypeName(DkmClrType.Create(pointer.Type.AppDomain, declaredType));
var expansion = wasExceptionThrown
? null
: resultProvider.GetTypeExpansion(inspectionContext, declaredType, value, ExpansionFlags.None);
var fullName = string.Format("*{0}", parent.ChildFullNamePrefix);
var editableValue = resultProvider.Formatter.GetEditableValue(value);
// NB: Full name is based on the real (i.e. not DebuggerDisplay) name. This is a change from dev12,
// which used the DebuggerDisplay name, causing surprising results in "Add Watch" scenarios.
var dataItem = new EvalResultDataItem(
name: null, // Okay for pointer dereferences.
typeDeclaringMember: null,
declaredType: declaredType,
value: value,
expansion: expansion,
childShouldParenthesize: true,
fullName: fullName,
childFullNamePrefixOpt: fullName,
formatSpecifiers: Formatter.NoFormatSpecifiers,
category: DkmEvaluationResultCategory.Other,
flags: DkmEvaluationResultFlags.None,
editableValue: editableValue);
var name = debuggerDisplayName ?? fullName;
var display = debuggerDisplayValue ??
(wasExceptionThrown ? string.Format(Resources.InvalidPointerDereference, fullName) : value.GetValueString());
return(ResultProvider.CreateEvaluationResult(
value,
name,
typeName,
display,
dataItem));
}