using System; using System.Collections; using Microsoft.Iris.Debug; using Microsoft.Iris.Library; using Microsoft.Iris.Markup.UIX; using Microsoft.Iris.Session; namespace Microsoft.Iris.Markup { // Token: 0x0200018B RID: 395 internal class Interpreter { // Token: 0x06000F21 RID: 3873 RVA: 0x00029E78 File Offset: 0x00028E78 public static object Run(InterpreterContext context) { object result = null; ByteCodeReader byteCodeReader = null; long num = -1L; bool flag = true; ErrorManager.EnterContext(context); try { byteCodeReader = context.LoadResult.ObjectSection; num = (long)((ulong)byteCodeReader.CurrentOffset); byteCodeReader.CurrentOffset = context.InitialBytecodeOffset; result = Interpreter.Run(context, byteCodeReader); flag = false; } finally { if (flag) { Interpreter.ExceptionContext = context.ToString(); } ErrorManager.ExitContext(); if (byteCodeReader != null && num != -1L) { byteCodeReader.CurrentOffset = (uint)num; } } return result; } // Token: 0x06000F22 RID: 3874 RVA: 0x00029EF8 File Offset: 0x00028EF8 private static object Run(InterpreterContext context, ByteCodeReader reader) { MarkupLoadResult loadResult = context.LoadResult; IMarkupTypeBase instance = context.Instance; MarkupImportTables importTables = loadResult.ImportTables; MarkupConstantsTable constantsTable = loadResult.ConstantsTable; SymbolReference[] symbolReferenceTable = context.MarkupType.SymbolReferenceTable; Trace.IsCategoryEnabled(TraceCategory.Markup); Stack stack = Interpreter._stack; int count = stack.Count; if (instance != null) { stack.Push(instance); } ErrorWatermark watermark = ErrorManager.Watermark; bool flag = false; object result = null; bool wasInDebugState = false; while (!flag) { OpCode opCode = (OpCode)reader.ReadByte(); switch (opCode) { case OpCode.ConstructObject: { int num = reader.ReadUInt16(); TypeSchema typeSchema = importTables.TypeImports[num]; object obj = typeSchema.ConstructDefault(); Interpreter.ReportErrorOnNull(obj, "Construction", typeSchema.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { Interpreter.RegisterDisposable(obj, typeSchema, instance); stack.Push(obj); } break; } case OpCode.ConstructObjectIndirect: { int num2 = reader.ReadUInt16(); TypeSchema typeSchema2 = importTables.TypeImports[num2]; TypeSchema typeSchema3 = (TypeSchema)stack.Pop(); if (!typeSchema2.IsAssignableFrom(typeSchema3)) { ErrorManager.ReportError("Script runtime failure: Dynamic construction type override failed. Attempting to construct '{0}' in place of '{1}'", (typeSchema3 != null) ? typeSchema3.Name : "null", typeSchema2.Name); if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { break; } } IDynamicConstructionSchema dynamicConstructionSchema = typeSchema3 as IDynamicConstructionSchema; object obj2; if (dynamicConstructionSchema != null) { obj2 = dynamicConstructionSchema.ConstructDefault(typeSchema2); } else { obj2 = typeSchema3.ConstructDefault(); } Interpreter.ReportErrorOnNull(obj2, "Construction", typeSchema3.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { Interpreter.RegisterDisposable(obj2, typeSchema3, instance); stack.Push(obj2); } break; } case OpCode.ConstructObjectParam: { int num3 = reader.ReadUInt16(); TypeSchema typeSchema4 = importTables.TypeImports[num3]; int num4 = reader.ReadUInt16(); ConstructorSchema constructorSchema = importTables.ConstructorImports[num4]; int i = constructorSchema.ParameterTypes.Length; object[] array = Interpreter.ParameterListAllocator.Alloc(i); for (i--; i >= 0; i--) { array[i] = stack.Pop(); } object obj3 = constructorSchema.Construct(array); Interpreter.ReportErrorOnNull(obj3, "Construction", typeSchema4.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { Interpreter.RegisterDisposable(obj3, typeSchema4, instance); stack.Push(obj3); Interpreter.ParameterListAllocator.Free(array); } break; } case OpCode.ConstructFromString: { int num5 = reader.ReadUInt16(); TypeSchema typeSchema5 = importTables.TypeImports[num5]; int index = reader.ReadUInt16(); string from = (string)constantsTable.Get(index); object obj4; typeSchema5.TypeConverter(from, StringSchema.Type, out obj4); Interpreter.ReportErrorOnNull(obj4, "Construction", typeSchema5.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { Interpreter.RegisterDisposable(obj4, typeSchema5, instance); stack.Push(obj4); } break; } case OpCode.ConstructFromBinary: { int num6 = reader.ReadUInt16(); TypeSchema typeSchema6 = importTables.TypeImports[num6]; object obj5 = typeSchema6.DecodeBinary(reader); Interpreter.ReportErrorOnNull(obj5, "Construction", typeSchema6.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { Interpreter.RegisterDisposable(obj5, typeSchema6, instance); stack.Push(obj5); } break; } case OpCode.InitializeInstance: { int num7 = reader.ReadUInt16(); TypeSchema typeSchema7 = importTables.TypeImports[num7]; object obj6 = stack.Pop(); typeSchema7.InitializeInstance(ref obj6); Interpreter.ReportErrorOnNull(obj6, "Initialize", typeSchema7.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { stack.Push(obj6); } break; } case OpCode.InitializeInstanceIndirect: { TypeSchema typeSchema8 = (TypeSchema)stack.Pop(); object obj7 = stack.Pop(); typeSchema8.InitializeInstance(ref obj7); Interpreter.ReportErrorOnNull(obj7, "Initialize", typeSchema8.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { stack.Push(obj7); } break; } case OpCode.LookupSymbol: { int num8 = reader.ReadUInt16(); SymbolReference symbolRef = symbolReferenceTable[num8]; object obj8 = context.ReadSymbol(symbolRef); stack.Push(obj8); if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.WriteSymbol: case OpCode.WriteSymbolPeek: { object value = (opCode == OpCode.WriteSymbolPeek) ? stack.Peek() : stack.Pop(); int num9 = reader.ReadUInt16(); SymbolReference symbolRef2 = symbolReferenceTable[num9]; context.WriteSymbol(symbolRef2, value); if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.ClearSymbol: { int num10 = reader.ReadUInt16(); SymbolReference symbolRef3 = symbolReferenceTable[num10]; context.ClearSymbol(symbolRef3); if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.PropertyInitialize: case OpCode.PropertyInitializeIndirect: { bool flag2 = opCode == OpCode.PropertyInitializeIndirect; TypeSchema typeSchema9 = null; if (flag2) { typeSchema9 = (TypeSchema)stack.Pop(); } int num11 = reader.ReadUInt16(); PropertySchema propertySchema = importTables.PropertyImports[num11]; object obj9 = stack.Pop(); object obj10 = stack.Pop(); Interpreter.ReportErrorOnNull(obj10, "Property Set", propertySchema.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { if (flag2) { PropertySchema propertySchema2 = typeSchema9.FindPropertyDeep(propertySchema.Name); if (propertySchema2 != propertySchema) { TypeSchema propertyType = propertySchema2.PropertyType; if (!propertyType.IsAssignableFrom(obj9)) { string param = TypeSchema.NameFromInstance(obj9); ErrorManager.ReportError("Script runtime failure: Incompatible value for property '{0}' supplied (expecting values of type '{1}' but got '{2}') while constructing runtime replacement type '{3}' (original type '{4}')", propertySchema.Name, propertyType.Name, param, typeSchema9.Name, propertySchema.Owner.Name); result = Interpreter.ScriptError; } if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { break; } } } propertySchema.SetValue(ref obj10, obj9); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { stack.Push(obj10); } } break; } case OpCode.PropertyListAdd: { int propertyIndex = reader.ReadUInt16(); object value2 = stack.Pop(); object collection = Interpreter.GetCollection(stack.Peek(), importTables, propertyIndex); Interpreter.ReportErrorOnNull(collection, "List Add"); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { ((IList)collection).Add(value2); if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { } } break; } case OpCode.PropertyDictionaryAdd: { int propertyIndex2 = reader.ReadUInt16(); int index2 = reader.ReadUInt16(); string key = (string)constantsTable.Get(index2); object value3 = stack.Pop(); object collection2 = Interpreter.GetCollection(stack.Peek(), importTables, propertyIndex2); Interpreter.ReportErrorOnNull(collection2, "Dictionary Add"); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { ((IDictionary)collection2)[key] = value3; if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { } } break; } case OpCode.PropertyAssign: case OpCode.PropertyAssignStatic: { int num12 = reader.ReadUInt16(); PropertySchema propertySchema3 = importTables.PropertyImports[num12]; object instance2 = null; if (opCode == OpCode.PropertyAssign) { instance2 = stack.Pop(); Interpreter.ReportErrorOnNullOrDisposed(instance2, "Property Set", propertySchema3.Name, propertySchema3.Owner); if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { break; } } object value4 = stack.Peek(); propertySchema3.SetValue(ref instance2, value4); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag) && Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.PropertyGet: case OpCode.PropertyGetPeek: case OpCode.PropertyGetStatic: { int num13 = reader.ReadUInt16(); PropertySchema propertySchema4 = importTables.PropertyImports[num13]; object instance3 = null; if (opCode != OpCode.PropertyGetStatic) { instance3 = ((opCode == OpCode.PropertyGet) ? stack.Pop() : stack.Peek()); Interpreter.ReportErrorOnNullOrDisposed(instance3, "Property Get", propertySchema4.Name, propertySchema4.Owner); if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { break; } } object value5 = propertySchema4.GetValue(instance3); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { stack.Push(value5); if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } } break; } case OpCode.MethodInvoke: case OpCode.MethodInvokePeek: case OpCode.MethodInvokeStatic: case OpCode.MethodInvokePushLastParam: case OpCode.MethodInvokeStaticPushLastParam: { int num14 = reader.ReadUInt16(); MethodSchema methodSchema = importTables.MethodImports[num14]; int j = methodSchema.ParameterTypes.Length; object[] array2 = Interpreter.ParameterListAllocator.Alloc(j); for (j--; j >= 0; j--) { array2[j] = stack.Pop(); } object instance4 = null; bool flag3 = opCode != OpCode.MethodInvokeStatic && opCode != OpCode.MethodInvokeStaticPushLastParam; bool flag4 = opCode == OpCode.MethodInvokePeek; bool flag5 = opCode == OpCode.MethodInvokePushLastParam || opCode == OpCode.MethodInvokeStaticPushLastParam; if (flag3) { if (!flag4) { instance4 = stack.Pop(); } else { instance4 = stack.Peek(); } Interpreter.ReportErrorOnNullOrDisposed(instance4, "Method Invoke", methodSchema.Name, methodSchema.Owner); if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { break; } } object obj11 = methodSchema.Invoke(instance4, array2); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { if (!flag5) { if (methodSchema.ReturnType != VoidSchema.Type) { stack.Push(obj11); } } else { stack.Push(array2[array2.Length - 1]); } Interpreter.ParameterListAllocator.Free(array2); } break; } case OpCode.VerifyTypeCast: { int num15 = reader.ReadUInt16(); TypeSchema typeSchema10 = importTables.TypeImports[num15]; object obj12 = stack.Peek(); if (obj12 != null) { if (!typeSchema10.IsAssignableFrom(obj12)) { string param2 = TypeSchema.NameFromInstance(obj12); string name = typeSchema10.Name; ErrorManager.ReportError("Script runtime failure: Invalid type cast while attempting to cast an instance with a runtime type of '{0}' to '{1}'", param2, name); result = Interpreter.ScriptError; } if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { } } else if (!typeSchema10.IsNullAssignable) { Interpreter.ReportErrorOnNull(obj12, "Verify Type Cast", typeSchema10.Name); if (Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { } } break; } case OpCode.ConvertType: { int num16 = reader.ReadUInt16(); TypeSchema typeSchema11 = importTables.TypeImports[num16]; int num17 = reader.ReadUInt16(); TypeSchema fromType = importTables.TypeImports[num17]; object obj13 = stack.Pop(); Interpreter.ReportErrorOnNull(obj13, "Type Conversion", typeSchema11.Name); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { object obj14; Result result2 = typeSchema11.TypeConverter(obj13, fromType, out obj14); if (result2.Failed) { ErrorManager.ReportError("Script runtime failure: Type conversion failed while attempting to convert to '{0}' ({1})", typeSchema11.Name, result2.Error); } if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { stack.Push(obj14); } } break; } case OpCode.Operation: { int num18 = reader.ReadUInt16(); TypeSchema typeSchema12 = importTables.TypeImports[num18]; OperationType op = (OperationType)reader.ReadByte(); object right = null; if (!TypeSchema.IsUnaryOperation(op)) { right = stack.Pop(); } object left = stack.Pop(); object obj15 = typeSchema12.PerformOperationDeep(left, right, op); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { stack.Push(obj15); if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } } break; } case OpCode.IsCheck: { int num19 = reader.ReadUInt16(); TypeSchema typeSchema13 = importTables.TypeImports[num19]; object obj16 = stack.Pop(); bool value6 = false; if (obj16 != null) { value6 = typeSchema13.IsAssignableFrom(obj16); } stack.Push(BooleanBoxes.Box(value6)); if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.As: { int num20 = reader.ReadUInt16(); TypeSchema typeSchema14 = importTables.TypeImports[num20]; object obj17 = stack.Peek(); if (obj17 != null && !typeSchema14.IsAssignableFrom(obj17)) { stack.Pop(); stack.Push(null); } if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.TypeOf: { int num21 = reader.ReadUInt16(); TypeSchema obj18 = importTables.TypeImports[num21]; stack.Push(obj18); break; } case OpCode.PushNull: stack.Push(null); break; case OpCode.PushConstant: { int index3 = reader.ReadUInt16(); object obj19 = constantsTable.Get(index3); stack.Push(obj19); break; } case OpCode.PushThis: stack.Push(instance); break; case OpCode.DiscardValue: stack.Pop(); break; case OpCode.ReturnValue: { object obj20 = stack.Pop(); result = obj20; flag = true; break; } case OpCode.ReturnVoid: result = Interpreter.VoidReturnValue; flag = true; break; case OpCode.JumpIfFalse: case OpCode.JumpIfFalsePeek: case OpCode.JumpIfTruePeek: { uint currentOffset = reader.ReadUInt32(); object obj21 = (opCode == OpCode.JumpIfFalse) ? stack.Pop() : stack.Peek(); bool flag6 = (bool)obj21; bool flag7 = opCode == OpCode.JumpIfTruePeek; Trace.IsCategoryEnabled(TraceCategory.Markup); if (flag7 == flag6) { reader.CurrentOffset = currentOffset; if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } } break; } case OpCode.JumpIfDictionaryContains: { ushort propertyIndex3 = reader.ReadUInt16(); ushort index4 = reader.ReadUInt16(); uint currentOffset2 = reader.ReadUInt32(); string key2 = (string)constantsTable.Get(index4); object collection3 = Interpreter.GetCollection(stack.Peek(), importTables, propertyIndex3); Interpreter.ReportErrorOnNull(collection3, "Dictionary Contains"); if (!Interpreter.ErrorsDetected(watermark, ref result, ref flag)) { bool flag8 = ((IDictionary)collection3).Contains(key2); Trace.IsCategoryEnabled(TraceCategory.Markup); if (flag8) { reader.CurrentOffset = currentOffset2; if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } } } break; } case OpCode.JumpIfNullPeek: { uint currentOffset3 = reader.ReadUInt32(); object obj22 = stack.Peek(); Trace.IsCategoryEnabled(TraceCategory.Markup); if (obj22 == null) { reader.CurrentOffset = currentOffset3; if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } } break; } case OpCode.Jump: { uint currentOffset4 = reader.ReadUInt32(); reader.CurrentOffset = currentOffset4; if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.ConstructListenerStorage: { int listenerCount = reader.ReadUInt16(); if (instance.Listeners == null) { MarkupListeners markupListeners = new MarkupListeners(listenerCount); markupListeners.DeclareOwner(instance); instance.Listeners = markupListeners; } else { instance.Listeners.AddEntries(listenerCount); } if (Trace.IsCategoryEnabled(TraceCategory.Markup)) { } break; } case OpCode.Listen: case OpCode.DestructiveListen: { int index5 = reader.ReadUInt16(); ListenerType listenerType = (ListenerType)reader.ReadByte(); int num22 = reader.ReadUInt16(); uint scriptOffset = reader.ReadUInt32(); uint refreshOffset = uint.MaxValue; if (opCode == OpCode.DestructiveListen) { refreshOffset = reader.ReadUInt32(); } string watch = null; switch (listenerType) { case ListenerType.Property: watch = importTables.PropertyImports[num22].Name; break; case ListenerType.Event: watch = importTables.EventImports[num22].Name; break; case ListenerType.Symbol: watch = symbolReferenceTable[num22].Symbol; break; } object obj23 = stack.Peek(); if (obj23 != null) { INotifyObject notifier = (INotifyObject)obj23; Trace.IsCategoryEnabled(TraceCategory.Markup); MarkupListeners listeners = instance.Listeners; listeners.RefreshListener(index5, notifier, watch, instance, scriptOffset, refreshOffset); } else { Trace.IsCategoryEnabled(TraceCategory.Markup); } break; } case OpCode.EnterDebugState: { int breakpointIndex = reader.ReadInt32(); if (MarkupSystem.IsDebuggingEnabled(2)) { wasInDebugState = MarkupDebugHelper.EnterDebugState(wasInDebugState, loadResult, breakpointIndex, instance.Storage); } break; } } } while (stack.Count > count) { stack.Pop(); } return result; } // Token: 0x06000F23 RID: 3875 RVA: 0x0002ADA7 File Offset: 0x00029DA7 private static bool ErrorsDetected(ErrorWatermark watermark, ref object result, ref bool done) { if (watermark.ErrorsDetected) { result = Interpreter.ScriptError; done = true; return true; } return false; } // Token: 0x06000F24 RID: 3876 RVA: 0x0002ADC0 File Offset: 0x00029DC0 private static void RegisterDisposable(object instance, TypeSchema type, IMarkupTypeBase root) { if (type.Disposable && root != null) { IDisposableObject disposableObject = (IDisposableObject)instance; root.RegisterDisposable(disposableObject); disposableObject.DeclareOwner(root); } } // Token: 0x06000F25 RID: 3877 RVA: 0x0002ADF0 File Offset: 0x00029DF0 private static object GetCollection(object stackInstance, MarkupImportTables importTables, int propertyIndex) { object result = null; if (propertyIndex == 65535) { result = stackInstance; } else { PropertySchema propertySchema = importTables.PropertyImports[propertyIndex]; Interpreter.ReportErrorOnNull(stackInstance, "Property Get", propertySchema.Name); if (stackInstance != null) { result = propertySchema.GetValue(stackInstance); } } return result; } // Token: 0x06000F26 RID: 3878 RVA: 0x0002AE31 File Offset: 0x00029E31 private static void ReportErrorOnNull(object instance, string operation, string member) { if (instance == null) { ErrorManager.ReportError("Script runtime failure: Null-reference while attempting a '{0}' of '{1}' on a null instance", operation, member); } } // Token: 0x06000F27 RID: 3879 RVA: 0x0002AE42 File Offset: 0x00029E42 private static void ReportErrorOnNull(object instance, string operation) { if (instance == null) { ErrorManager.ReportError("Script runtime failure: Null-reference while attempting a '{0}'", operation); } } // Token: 0x06000F28 RID: 3880 RVA: 0x0002AE54 File Offset: 0x00029E54 private static void ReportErrorOnNullOrDisposed(object instance, string operation, string member, TypeSchema typeSchema) { if (instance == null) { ErrorManager.ReportError("Script runtime failure: Null-reference while attempting a '{0}' of '{1}' on a null instance", operation, member); return; } if (typeSchema.Disposable) { IDisposableObject disposableObject = (IDisposableObject)instance; if (disposableObject.IsDisposed) { ErrorManager.ReportError("Script runtime failure: Attempting a '{0}' of '{1}' on an object '{2}' that has already been disposed", operation, member, TypeSchema.NameFromInstance(instance)); } } } // Token: 0x04000947 RID: 2375 public const uint InvalidOffset = 4294967295U; // Token: 0x04000948 RID: 2376 private static object VoidReturnValue = new object(); // Token: 0x04000949 RID: 2377 private static Stack _stack = new Stack(); // Token: 0x0400094A RID: 2378 public static object ScriptError = new Interpreter.ScriptErrorObject(); // Token: 0x0400094B RID: 2379 public static string ExceptionContext; // Token: 0x0200018C RID: 396 private class ScriptErrorObject { } // Token: 0x0200018D RID: 397 private struct ParameterListAllocator { // Token: 0x06000F2C RID: 3884 RVA: 0x0002AECC File Offset: 0x00029ECC public static object[] Alloc(int count) { object[] array; if (count == 0) { array = Interpreter.ParameterListAllocator.s_params0; } else if (count < 20) { array = Interpreter.ParameterListAllocator.s_cachedLists[count]; if (array != null) { Interpreter.ParameterListAllocator.s_cachedLists[count] = null; } else { array = new object[count]; } } else { array = new object[count]; } return array; } // Token: 0x06000F2D RID: 3885 RVA: 0x0002AF10 File Offset: 0x00029F10 public static void Free(object[] paramList) { int num = paramList.Length; if (num != 0 && num < 20 && Interpreter.ParameterListAllocator.s_cachedLists[num] == null) { Array.Clear(paramList, 0, paramList.Length); Interpreter.ParameterListAllocator.s_cachedLists[num] = paramList; } } // Token: 0x0400094C RID: 2380 private const int MAX_CACHED_LIST_SIZE = 20; // Token: 0x0400094D RID: 2381 private static object[] s_params0 = new object[0]; // Token: 0x0400094E RID: 2382 private static object[][] s_cachedLists = new object[20][]; } } }