// Constructor for single-predecessor node public HighCfgNode(HighInstruction[] instructions) { m_predecessors = new HighCfgNodeHandle[0]; m_phis = new HighPhi[0]; m_instructions = instructions; }
public void VisitSsaUses(HighInstruction.VisitSsaDelegate visitor) { visitor(ref m_reg); }
public void SetAll(HighPhi[] phis, HighInstruction[] instrs) { m_instructions = instrs; m_phis = phis; }
public HighCfgNode(HighCfgNodeHandle[] predecessors, HighPhi[] phis, HighInstruction[] instructions) { m_predecessors = predecessors; m_phis = phis; m_instructions = instructions; }
protected override void VisitCfgNodesInternal(HighInstruction.VisitCfgNodeDelegate visitor) { foreach (HighCatchHandler catchHandler in m_catchHandlers) catchHandler.Region.VisitCfgNodes(visitor); }
public HighCfgEdge(HighInstruction src, HighCfgNodeHandle dest) { m_src = src; m_dest = dest; }
protected override void VisitCfgNodesInternal(HighInstruction.VisitCfgNodeDelegate visitor) { m_finallyRegion.VisitCfgNodes(visitor); }
void IMethodReferencingInstruction.VisitMethodSpecs(HighInstruction.VisitMethodSpecDelegate visitor) { visitor(ref m_methodSpec); }
private void ProcessInstruction(HighCfgNode cfgNode, HighInstruction instr, List<HighInstruction> newInstrs) { bool validationOnly = true; { IBranchingInstruction brInstr = instr as IBranchingInstruction; if (brInstr != null) { brInstr.VisitSuccessors(delegate (ref HighCfgEdge edge) { HighCfgNode dest = edge.Dest.Value; foreach (HighCfgNodeHandle pred in dest.Predecessors) if (pred.Value == cfgNode) return; throw new RpaCompileException("Branching instruction jumps to undeclared predecessor"); }); } } switch (instr.Opcode) { case HighInstruction.Opcodes.LoadLocal: { LoadLocalInstruction tInstr = (LoadLocalInstruction)instr; HighSsaRegister dest = tInstr.Dest; HighLocal local = tInstr.Local; switch (local.TypeOfType) { case HighLocal.ETypeOfType.ByRef: if (dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("Illegal LoadLocal"); break; case HighLocal.ETypeOfType.TypedByRef: throw new NotImplementedException(); case HighLocal.ETypeOfType.Value: if (dest.ValueType != HighValueType.ValueValue && dest.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("Illegal LoadLocal"); break; default: throw new Exception(); } if (dest.Type != local.Type) throw new RpaCompileException("Type mismatch in LoadLocal"); } break; case HighInstruction.Opcodes.AllocArray: { AllocArrayInstruction tInstr = (AllocArrayInstruction)instr; HighSsaRegister dest = tInstr.Dest; if (dest == null) throw new RpaCompileException("AllocArray has no destination"); if (dest.ValueType != HighValueType.ReferenceValue || !(dest.Type is TypeSpecArrayTag)) throw new RpaCompileException("AllocArray destination is not an array"); TypeSpecArrayTag type = (TypeSpecArrayTag)dest.Type; if (type.Rank != (uint)tInstr.Sizes.Length) throw new RpaCompileException("AllocArray index count doesn't match destination type rank"); foreach (HighSsaRegister sz in tInstr.Sizes) { switch (sz.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("AllocArray index is invalid"); } if (sz.Type != m_nativeIntType) throw new RpaCompileException("AllocArray index is invalid"); } this.Compiler.GetRloVTable(dest.Type, GenerateMethodInstantiationPath(tInstr.CodeLocation)); } break; case HighInstruction.Opcodes.AllocObj: { AllocObjInstruction tInstr = (AllocObjInstruction)instr; HighSsaRegister dest = tInstr.Dest; if (dest == null) throw new RpaCompileException("AllocObj has no destination"); if (dest.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("AllocObj destination is not a reference type"); TypeSpecClassTag destType = dest.Type as TypeSpecClassTag; if (destType == null) throw new RpaCompileException("AllocObj destination type is not a class"); HighTypeDef typeDef = this.Compiler.GetTypeDef(destType.TypeName); if (typeDef.Semantics != TypeSemantics.Class) throw new RpaCompileException("AllocObj created non-class"); if (typeDef.IsAbstract) throw new RpaCompileException("AllocObj created class is abstract"); this.Compiler.GetRloVTable(destType, GenerateMethodInstantiationPath(tInstr.CodeLocation)); } break; case HighInstruction.Opcodes.Box: { BoxInstruction tInstr = (BoxInstruction)instr; HighSsaRegister dest = tInstr.Dest; HighSsaRegister src = tInstr.Src; if (dest == null) throw new RpaCompileException("Box has no destination"); if ((src.ValueType == HighValueType.ConstantValue || src.ValueType == HighValueType.ValueValue) && dest.ValueType == HighValueType.BoxedValue) { // Normally don't do anything, leave box as canonical // In the case of Nullable`1 only, convert the box instruction if (dest.Type != src.Type) { if (!(src.Type is TypeSpecClassTag)) throw new RpaCompileException("Invalid box source type"); TypeSpecClassTag srcClass = (TypeSpecClassTag)src.Type; TypeNameTag srcClassName = srcClass.TypeName; if (srcClassName.ContainerType != null || srcClassName.AssemblyName != "mscorlib" || srcClassName.TypeNamespace != "System" || srcClassName.TypeName != "Nullable`1" || srcClass.ArgTypes.Length != 1) throw new RpaCompileException("Invalid box source type"); TypeSpecTag srcSubType = srcClass.ArgTypes[0]; if (dest.Type != srcSubType) throw new RpaCompileException("Nullable box type mixmatch"); validationOnly = false; TypeNameTag clarityToolsName = new TypeNameTag("mscorlib", "Clarity", "Tools"); clarityToolsName = this.Compiler.TagRepository.InternTypeName(clarityToolsName); TypeSpecClassTag clarityToolsClass = new TypeSpecClassTag(clarityToolsName, new TypeSpecTag[0]); clarityToolsClass = (TypeSpecClassTag)this.Compiler.TagRepository.InternTypeSpec(clarityToolsClass); TypeNameTag nullableName = new TypeNameTag("mscorlib", "System", "Nullable`1", 1, null); nullableName = this.Compiler.TagRepository.InternTypeName(nullableName); TypeSpecGenericParamTypeTag mArgType = new TypeSpecGenericParamTypeTag(TypeSpecGenericParamTypeTag.Values.MVar); TypeSpecGenericParamTag m0Type = new TypeSpecGenericParamTag(mArgType, 0); m0Type = (TypeSpecGenericParamTag)this.Compiler.TagRepository.InternTypeSpec(m0Type); TypeSpecClassTag nullableM0Class = new TypeSpecClassTag(nullableName, new TypeSpecTag[] { m0Type }); nullableM0Class = (TypeSpecClassTag)this.Compiler.TagRepository.InternTypeSpec(nullableM0Class); MethodSignatureParam[] bnDeclParams = new MethodSignatureParam[] { new MethodSignatureParam(nullableM0Class, new MethodSignatureParamTypeOfType(MethodSignatureParamTypeOfType.Values.Value)) }; MethodSignatureTag bnDeclSignature = new MethodSignatureTag(1, m_objectType, bnDeclParams); bnDeclSignature = this.Compiler.TagRepository.InternMethodSignature(bnDeclSignature); MethodDeclTag boxNullableDecl = new MethodDeclTag("BoxNullable", bnDeclSignature, clarityToolsName); boxNullableDecl = this.Compiler.TagRepository.InternMethodDeclTag(boxNullableDecl); MethodSpecTag bnMethodSpec = new MethodSpecTag(MethodSlotType.Static, new TypeSpecTag[] { srcSubType }, clarityToolsClass, boxNullableDecl); bnMethodSpec = this.Compiler.TagRepository.InternMethodSpec(bnMethodSpec); MethodHandle hdl = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(bnMethodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); newInstrs.Add(new Instructions.CallRloStaticMethodInstruction(tInstr.CodeLocation, hdl, dest, new HighSsaRegister[] { src })); } else { TypeSpecBoxTag boxType = new TypeSpecBoxTag((TypeSpecClassTag)dest.Type); boxType = (TypeSpecBoxTag)this.Compiler.TagRepository.InternTypeSpec(boxType); this.Compiler.GetRloVTable(boxType, GenerateMethodInstantiationPath(tInstr.CodeLocation)); } } else if (src.ValueType == HighValueType.ReferenceValue && dest.ValueType == HighValueType.ReferenceValue) { if (dest.Type != src.Type) throw new RpaCompileException("Box instruction destination is a different type from source"); // Source should never be ConstantString at this stage. // Boxing a reference type converts to a copy validationOnly = false; newInstrs.Add(new Instructions.CopyInstruction(tInstr.CodeLocation, dest, src)); } } break; case HighInstruction.Opcodes.Arith: { ArithInstruction tInstr = (ArithInstruction)instr; TypeSpecClassTag expectedClass = ExpectedClassForArithType(tInstr.ArithType); if (tInstr.CheckOverflow) { switch (tInstr.ArithType) { case NumberArithType.Int32: case NumberArithType.Int64: case NumberArithType.NativeInt: case NumberArithType.NativeUInt: case NumberArithType.UInt32: case NumberArithType.UInt64: break; case NumberArithType.Float32: case NumberArithType.Float64: throw new RpaCompileException("Check overflow flag on flowing point arith operation"); default: throw new Exception(); } } CheckArithDest(tInstr.Dest, expectedClass); CheckArithOperand(tInstr.Left, expectedClass); CheckArithOperand(tInstr.Right, expectedClass); } break; case HighInstruction.Opcodes.BranchCompareNumbers: { BranchCompareNumbersInstruction tInstr = (BranchCompareNumbersInstruction)instr; TypeSpecClassTag expectedClass = ExpectedClassForArithType(tInstr.ArithType); CheckArithOperand(tInstr.Left, expectedClass); CheckArithOperand(tInstr.Right, expectedClass); } break; case HighInstruction.Opcodes.DynamicCast: { DynamicCastInstruction tInstr = (DynamicCastInstruction)instr; if (tInstr.Dest != null) { switch (tInstr.Dest.ValueType) { case HighValueType.BoxedValue: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("Illegal destination type for dynamic cast instruction"); } } switch (tInstr.Src.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("Illegal source type for dynamic cast instruction."); } } break; case HighInstruction.Opcodes.ForceDynamicCast: { ForceDynamicCastInstruction tInstr = (ForceDynamicCastInstruction)instr; if (tInstr.Dest != null) { switch (tInstr.Dest.ValueType) { case HighValueType.BoxedValue: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("Illegal destination type for force dynamic cast instruction"); } } switch (tInstr.Src.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("Illegal source type for force dynamic cast instruction."); } } break; case HighInstruction.Opcodes.GetArrayElementPtr: { GetArrayElementPtrInstruction tInstr = (GetArrayElementPtrInstruction)instr; HighSsaRegister arraySrc = tInstr.ArraySrc; if (arraySrc.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("GetArrayElementPtr instruction array is not a reference"); TypeSpecArrayTag arrayType = arraySrc.Type as TypeSpecArrayTag; if (arrayType == null) throw new RpaCompileException("GetArrayElementPtr instruction arrays source is not an array"); if ((uint)tInstr.Indexes.Length != arrayType.Rank) throw new RpaCompileException("GetArrayElementPtr instruction array source rank doesn't match index count"); HighSsaRegister dest = tInstr.Dest; if (dest != null) { if (dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("GetArrayElementPtr destination is not a managed pointer"); if (dest.Type != arrayType.SubscriptType) throw new RpaCompileException("GetArrayElementPtr destination does not match subscript type"); } } break; case HighInstruction.Opcodes.CompareRefs: { CompareRefsInstruction tInstr = (CompareRefsInstruction)instr; HighSsaRegister[] sources = new HighSsaRegister[2]; sources[0] = tInstr.SrcA; sources[1] = tInstr.SrcB; if (tInstr.Dest != null && tInstr.Dest.ValueType != HighValueType.ValueValue && tInstr.Dest.Type != m_int32Type) throw new RpaCompileException("CompareRefs destination is not an int"); bool isSideConverted = false; UpdateRefCompare(tInstr.CodeLocation, sources, newInstrs, out isSideConverted); if (isSideConverted) { validationOnly = false; newInstrs.Add(new CompareRefsInstruction(tInstr.CodeLocation, tInstr.Dest, sources[0], sources[1], tInstr.EqualValue, tInstr.NotEqualValue)); } } break; case HighInstruction.Opcodes.BranchCompareRefs: { BranchCompareRefsInstruction tInstr = (BranchCompareRefsInstruction)instr; HighSsaRegister[] sources = new HighSsaRegister[2]; sources[0] = tInstr.SrcA; sources[1] = tInstr.SrcB; bool isSideConverted = false; UpdateRefCompare(tInstr.CodeLocation, sources, newInstrs, out isSideConverted); if (isSideConverted) { validationOnly = false; newInstrs.Add(new BranchCompareRefsInstruction(tInstr.CodeLocation, sources[0], sources[1], tInstr.EqualEdge.Dest, tInstr.NotEqualEdge.Dest)); } } break; case HighInstruction.Opcodes.GetStaticFieldAddr: { GetStaticFieldAddrInstruction tInstr = (GetStaticFieldAddrInstruction)instr; TypeSpecClassTag classSpec = tInstr.StaticType as TypeSpecClassTag; if (classSpec == null) throw new RpaCompileException("GetStaticFieldAddr type is not a class"); CliClass cls = this.Compiler.GetClosedClass(classSpec); uint fieldIndex; if (!cls.NameToStaticFieldSlot.TryGetValue(tInstr.FieldName, out fieldIndex)) throw new RpaCompileException("GetStaticFieldAddr could not match static field name"); HighSsaRegister dest = tInstr.Dest; if (dest != null) { if (dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("GetStaticFieldAddr dest is not a managed pointer"); if (dest.Type != cls.StaticFields[fieldIndex].Type) throw new RpaCompileException("GetStaticFieldAddr dest type does not match field type"); } } break; case HighInstruction.Opcodes.BranchRefNull: { BranchRefNullInstruction tInstr = (BranchRefNullInstruction)instr; HighSsaRegister src = tInstr.Src; switch (src.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("BranchRefNull source is not a reference"); } } break; case HighInstruction.Opcodes.GetTypeInfo: { GetTypeInfoInstruction tInstr = (GetTypeInfoInstruction)instr; if (tInstr.Dest.ValueType != HighValueType.ValueValue || tInstr.Dest.Type != m_runtimeTypeHandleType) throw new RpaCompileException("GetTypeInfo destination is not the correct type"); } break; case HighInstruction.Opcodes.LoadPtr: { LoadPtrInstruction tInstr = (LoadPtrInstruction)instr; if (tInstr.Dest != null) { switch (tInstr.Dest.ValueType) { case HighValueType.ReferenceValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("LoadPtr destination has an invalid value type"); } } if (tInstr.Src.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("LoadPtr source is not a managed pointer"); if (tInstr.Src.Type != tInstr.Dest.Type) throw new RpaCompileException("LoadPtr source type is not the same as dest type"); } break; case HighInstruction.Opcodes.PtrField: { PtrFieldInstruction tInstr = (PtrFieldInstruction)instr; HighSsaRegister dest = tInstr.Dest; HighSsaRegister src = tInstr.Src; if (src.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("PtrField source not a field"); TypeSpecClassTag classSpec = src.Type as TypeSpecClassTag; if (classSpec == null) throw new RpaCompileException("PtrField source is not a class"); CliClass cls = this.Compiler.GetClosedClass(classSpec); uint fieldIndex; if (!cls.NameToInstanceFieldSlot.TryGetValue(tInstr.FieldName, out fieldIndex)) throw new RpaCompileException("PtrField field does not exist"); if (dest != null) { if (dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("PtrField dest is not a field"); HighField fld = cls.InstanceFields[fieldIndex]; if (fld.Type != dest.Type) throw new RpaCompileException("PtrField dest type does not match field type"); } } break; case HighInstruction.Opcodes.RefField: { RefFieldInstruction tInstr = (RefFieldInstruction)instr; HighSsaRegister dest = tInstr.Dest; HighSsaRegister src = tInstr.Src; if (src.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("RefField source not a field"); TypeSpecClassTag classSpec = src.Type as TypeSpecClassTag; if (classSpec == null) throw new RpaCompileException("RefField source is not a class"); CliClass cls = this.Compiler.GetClosedClass(classSpec); uint fieldIndex; if (!cls.NameToInstanceFieldSlot.TryGetValue(tInstr.FieldName, out fieldIndex)) throw new RpaCompileException("RefField field does not exist"); if (dest != null) { if (dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("RefField dest is not a field"); HighField fld = cls.InstanceFields[fieldIndex]; if (fld.Type != dest.Type) throw new RpaCompileException("RefField dest type does not match field type"); } } break; case HighInstruction.Opcodes.CallInstanceMethod: { CallInstanceMethodInstruction tInstr = (CallInstanceMethodInstruction)instr; HighSsaRegister instance = tInstr.InstanceSrc; HighSsaRegister[] parameters = tInstr.Parameters; HighSsaRegister dest = tInstr.ReturnDest; TypeSpecClassTag classSpec = tInstr.MethodSpec.DeclaringClass; if (instance.Type != tInstr.MethodSpec.DeclaringClass) throw new RpaCompileException("CallInstanceMethod target is not the same class as the method being called"); HighTypeDef typeDef = this.Compiler.GetTypeDef(classSpec.TypeName); switch (typeDef.Semantics) { case TypeSemantics.Interface: throw new RpaCompileException("CallInstanceMethod target is an interface"); case TypeSemantics.Class: case TypeSemantics.Delegate: case TypeSemantics.Enum: case TypeSemantics.Struct: break; default: throw new ArgumentException(); } switch (instance.ValueType) { case HighValueType.ConstantString: case HighValueType.ReferenceValue: case HighValueType.ManagedPtr: break; // BoxedValues should never have methods called on them directly (use unbox first) // Calls on null at this stage are illegal default: throw new RpaCompileException("CallInstanceMethod source type is invalid"); } CliClass cliClass = this.Compiler.GetClosedClass(classSpec); MethodSpecTag methodSpec = tInstr.MethodSpec; if (methodSpec.MethodSlotType != MethodSlotType.Instance) throw new RpaCompileException("CallInstanceMethod method is not an instance method"); uint methodSlot; if (!cliClass.DeclTagToMethod.TryGetValue(methodSpec.MethodDecl, out methodSlot)) throw new RpaCompileException("CallInstanceMethod method wasn't found"); HighMethod method = cliClass.Methods[methodSlot]; if (method.IsStatic) throw new RpaCompileException("CallInstanceMethod method is static"); CheckMethodCall(methodSpec, dest, parameters, method.MethodSignature); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(methodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); validationOnly = false; newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, tInstr.ReturnDest, tInstr.InstanceSrc, tInstr.Parameters)); } break; case HighInstruction.Opcodes.CallStaticMethod: { CallStaticMethodInstruction tInstr = (CallStaticMethodInstruction)instr; HighSsaRegister[] parameters = tInstr.Parameters; HighSsaRegister dest = tInstr.ReturnDest; TypeSpecClassTag classSpec = tInstr.MethodSpec.DeclaringClass; HighTypeDef typeDef = this.Compiler.GetTypeDef(classSpec.TypeName); switch (typeDef.Semantics) { case TypeSemantics.Interface: throw new RpaCompileException("CallStaticMethod target is an interface"); case TypeSemantics.Class: case TypeSemantics.Delegate: case TypeSemantics.Enum: case TypeSemantics.Struct: break; default: throw new ArgumentException(); } CliClass cliClass = this.Compiler.GetClosedClass(classSpec); MethodSpecTag methodSpec = tInstr.MethodSpec; if (methodSpec.MethodSlotType != MethodSlotType.Static) throw new RpaCompileException("CallStaticMethod method is not an instance method"); uint methodSlot; if (!cliClass.DeclTagToMethod.TryGetValue(methodSpec.MethodDecl, out methodSlot)) throw new RpaCompileException("CallStaticMethod method wasn't found"); HighMethod method = cliClass.Methods[methodSlot]; if (!method.IsStatic) throw new RpaCompileException("CallStaticMethod method is not static"); CheckMethodCall(methodSpec, dest, parameters, method.MethodSignature); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(methodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); validationOnly = false; newInstrs.Add(new Instructions.CallRloStaticMethodInstruction(tInstr.CodeLocation, methodHandle, tInstr.ReturnDest, tInstr.Parameters)); } break; case HighInstruction.Opcodes.CallVirtualMethod: { CallVirtualMethodInstruction tInstr = (CallVirtualMethodInstruction)instr; HighSsaRegister instance = tInstr.InstanceSrc; HighSsaRegister[] parameters = tInstr.Parameters; HighSsaRegister dest = tInstr.ReturnDest; MethodSpecTag methodSpec = tInstr.MethodSpec; if (methodSpec.MethodSlotType != MethodSlotType.Virtual) throw new RpaCompileException("CallVirtualMethod target is not virtual"); TypeSpecClassTag classSpec = methodSpec.DeclaringClass; if (instance.Type != tInstr.MethodSpec.DeclaringClass) throw new RpaCompileException("CallVirtualMethod target is not the same class as the method being called"); HighTypeDef typeDef = this.Compiler.GetTypeDef(classSpec.TypeName); bool isInterface; switch (typeDef.Semantics) { case TypeSemantics.Interface: isInterface = true; break; case TypeSemantics.Class: case TypeSemantics.Delegate: case TypeSemantics.Enum: case TypeSemantics.Struct: isInterface = false; break; default: throw new ArgumentException(); } switch (instance.ValueType) { case HighValueType.ConstantString: case HighValueType.ReferenceValue: case HighValueType.ManagedPtr: break; // BoxedValues should never have methods called on them directly (use unbox first) // Calls on null at this stage are illegal default: throw new RpaCompileException("CallVirtualMethod source type is invalid"); } if (methodSpec.GenericParameters.Length != 0) throw new RpaCompileException("Can't call an unconstrained generic virtual method"); CliVtableSlot vtableSlot; uint vtableSlotIndex; MethodSignatureTag methodSignature; if (isInterface) { CliInterface ifc = this.Compiler.GetClosedInterface(classSpec); vtableSlotIndex = ifc.CliSlotForSlotTag(methodSpec.MethodDecl); methodSignature = ifc.Slots[vtableSlotIndex].Signature; } else { CliClass cliClass = this.Compiler.GetClosedClass(classSpec); if (!cliClass.DeclTagToVTableSlot.TryGetValue(methodSpec.MethodDecl, out vtableSlotIndex)) throw new RpaCompileException("CallVirtualMethod method wasn't found"); methodSignature = cliClass.VTable[vtableSlotIndex].MethodSignature; } if (methodSpec.MethodSlotType != MethodSlotType.Virtual) throw new RpaCompileException("CallVirtualMethod method is not an instance method"); CheckMethodCall(methodSpec, dest, parameters, methodSignature); validationOnly = false; if (isInterface) newInstrs.Add(new Instructions.CallRloVirtualMethodInstruction(tInstr.CodeLocation, vtableSlotIndex, tInstr.ReturnDest, tInstr.InstanceSrc, tInstr.Parameters)); else newInstrs.Add(new Instructions.CallRloInterfaceMethodInstruction(tInstr.CodeLocation, vtableSlotIndex, tInstr.ReturnDest, tInstr.InstanceSrc, tInstr.Parameters)); } break; case HighInstruction.Opcodes.CallConstrainedVirtualMethod: { validationOnly = false; CallConstrainedVirtualMethodInstruction tInstr = (CallConstrainedVirtualMethodInstruction)instr; HighSsaRegister refInstance = tInstr.InstanceSrc; HighSsaRegister[] parameters = tInstr.Parameters; HighSsaRegister dest = tInstr.ReturnDest; MethodSpecTag methodSpec = tInstr.MethodSpec; if (methodSpec.MethodSlotType != MethodSlotType.Virtual) throw new RpaCompileException("CallConstrainedVirtualMethod target is not virtual"); TypeSpecTag constraintType = tInstr.ConstraintType; if (refInstance.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("CallConstrainedVirtualMethod target is not a managed pointer"); if (refInstance.Type != constraintType) throw new RpaCompileException("CallConstrainedVirtualMethod target type is different from constraint type"); TypeSpecTag instanceType = refInstance.Type; bool isValueType; bool isInterface; switch (instanceType.SubType) { case TypeSpecTag.SubTypeCode.Array: isValueType = false; isInterface = false; break; case TypeSpecTag.SubTypeCode.Class: { TypeSpecClassTag instanceClassTag = (TypeSpecClassTag)instanceType; HighTypeDef instanceTypeDef = this.Compiler.GetTypeDef(instanceClassTag.TypeName); switch (instanceTypeDef.Semantics) { case TypeSemantics.Class: case TypeSemantics.Delegate: isValueType = false; isInterface = false; break; case TypeSemantics.Interface: isValueType = false; isInterface = true; break; case TypeSemantics.Enum: case TypeSemantics.Struct: isValueType = true; isInterface = false; break; default: throw new NotSupportedException(); } } break; default: throw new RpaCompileException("Invalid instance type in CallConstrainedVirtualMethod"); }; if (isValueType) { TypeSpecClassTag instanceClassTag = (TypeSpecClassTag)refInstance.Type; CliClass cls = this.Compiler.GetClosedClass(instanceClassTag); TypeSpecClassTag methodDeclaringClass = methodSpec.DeclaringClass; HighTypeDef methodTypeDef = this.Compiler.GetTypeDef(methodDeclaringClass.TypeName); HighMethod resolvedMethod; uint vtableSlotIndex; if (methodTypeDef.Semantics != TypeSemantics.Interface) { if (!cls.DeclTagToVTableSlot.TryGetValue(methodSpec.MethodDecl, out vtableSlotIndex)) throw new RpaCompileException("CallConstrainedVirtualMethod virtual method was not found"); } else { CliInterface ifc = this.Compiler.GetClosedInterface(methodDeclaringClass); uint ifcSlot = ifc.CliSlotForSlotTag(methodSpec.MethodDecl); vtableSlotIndex = this.Compiler.DevirtualizeInterfaceMethod(cls, methodDeclaringClass, ifcSlot); } CliMethodIndex methodIndex = cls.VTable[vtableSlotIndex].MethodIndex; if (methodIndex == null) throw new Exception("Invalid method index (???)"); uint depth = methodIndex.Depth; if (depth == 0) { resolvedMethod = cls.Methods[methodIndex.Index]; if (resolvedMethod.MethodSignature.NumGenericParameters != 0) throw new NotImplementedException(); if (cls.TypeSpec != instanceType) throw new RpaCompileException("CallConstrainedVirtualMethod instance type doesn't match method (???)"); int numParameters = parameters.Length; HighSsaRegister tempDest = null; HighSsaRegister[] tempParameters = new HighSsaRegister[numParameters]; MethodSignatureTag signature = resolvedMethod.MethodSignature; if (signature.ParamTypes.Length != numParameters) throw new RpaCompileException("CallConstrainedVirtualMethod method call parameter mismatch"); for (int i = 0; i < numParameters; i++) { HighValueType hvt; MethodSignatureParam sigParam = signature.ParamTypes[i]; switch (sigParam.TypeOfType.Value) { case MethodSignatureParamTypeOfType.Values.ByRef: hvt = HighValueType.ManagedPtr; break; case MethodSignatureParamTypeOfType.Values.Value: hvt = this.Compiler.TypeIsValueType(sigParam.Type) ? HighValueType.ValueValue : HighValueType.ReferenceValue; break; default: throw new NotImplementedException(); } if (hvt == HighValueType.ReferenceValue) { HighSsaRegister tempParam = new HighSsaRegister(hvt, sigParam.Type, null); EmitPassiveRefConversion(tInstr.CodeLocation, tempParam, parameters[i], newInstrs); tempParameters[i] = tempParam; } else tempParameters[i] = parameters[i]; } HighSsaRegister returnDest = tInstr.ReturnDest; HighSsaRegister tempReturn = returnDest; bool needReturnConversion = false; if (signature.RetType is TypeSpecVoidTag) { if (returnDest != null) throw new RpaCompileException("Return type is not void"); } else if (returnDest != null) { needReturnConversion = !this.Compiler.TypeIsValueType(signature.RetType); if (needReturnConversion) tempReturn = new HighSsaRegister(HighValueType.ReferenceValue, signature.RetType, null); } MethodSpecTag generatedMethodSpec = new MethodSpecTag(MethodSlotType.Instance, methodSpec.GenericParameters, cls.TypeSpec, resolvedMethod.MethodDeclTag); generatedMethodSpec = this.Compiler.TagRepository.InternMethodSpec(generatedMethodSpec); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(generatedMethodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); CheckMethodCall(generatedMethodSpec, tempReturn, tempParameters, resolvedMethod.MethodSignature); newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, tempReturn, refInstance, tempParameters)); if (needReturnConversion) EmitPassiveRefConversion(tInstr.CodeLocation, returnDest, tempReturn, newInstrs); } else { CliClass resolvedClass = cls; while (depth > 0) { resolvedClass = this.Compiler.GetClosedClass(resolvedClass.ParentClassSpec); depth--; } resolvedMethod = resolvedClass.Methods[methodIndex.Index]; // Method is on the parent of a value type, so it must be boxed HighSsaRegister boxed = new HighSsaRegister(HighValueType.BoxedValue, instanceType, null); newInstrs.Add(new Clarity.Rpa.Instructions.BoxInstruction(tInstr.CodeLocation, boxed, refInstance)); HighSsaRegister newInstanceSrc = new HighSsaRegister(HighValueType.ReferenceValue, resolvedClass.TypeSpec, null); newInstrs.Add(new Instructions.ObjectToObjectInstruction(tInstr.CodeLocation, newInstanceSrc, boxed)); MethodSpecTag generatedMethodSpec = new MethodSpecTag(MethodSlotType.Instance, methodSpec.GenericParameters, resolvedClass.TypeSpec, resolvedMethod.MethodDeclTag); generatedMethodSpec = this.Compiler.TagRepository.InternMethodSpec(generatedMethodSpec); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(generatedMethodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); CheckMethodCall(generatedMethodSpec, dest, parameters, resolvedMethod.MethodSignature); newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, dest, newInstanceSrc, parameters)); } } else { HighSsaRegister loadedInstance = new HighSsaRegister(HighValueType.ReferenceValue, refInstance.Type, null); newInstrs.Add(new LoadPtrInstruction(tInstr.CodeLocation, loadedInstance, refInstance)); if (methodSpec.GenericParameters.Length == 0) { HighSsaRegister instance = new HighSsaRegister(HighValueType.ReferenceValue, constraintType, null); EmitPassiveRefConversion(tInstr.CodeLocation, instance, loadedInstance, newInstrs); if (isInterface) { CliInterface ifc = this.Compiler.GetClosedInterface((TypeSpecClassTag)constraintType); uint vtableSlotIndex = ifc.CliSlotForSlotTag(methodSpec.MethodDecl); MethodSignatureTag methodSignature = ifc.Slots[vtableSlotIndex].Signature; CheckMethodCall(methodSpec, dest, parameters, methodSignature); newInstrs.Add(new Instructions.CallRloInterfaceMethodInstruction(tInstr.CodeLocation, vtableSlotIndex, dest, instance, parameters)); } else { if (constraintType is TypeSpecClassTag || constraintType is TypeSpecArrayTag) { TypeSpecClassTag methodInstanceClass = methodSpec.DeclaringClass; if (this.Compiler.TypeIsValueType(methodInstanceClass)) throw new RpaCompileException("CallConstrainedVirtualMethod method spec is from a value type"); HighSsaRegister convertedInstance = new HighSsaRegister(HighValueType.ReferenceValue, methodInstanceClass, null); EmitPassiveRefConversion(tInstr.CodeLocation, convertedInstance, loadedInstance, newInstrs); if (this.Compiler.TypeIsInterface(methodInstanceClass)) { CliInterface ifcClass = this.Compiler.GetClosedInterface(methodInstanceClass); uint vtableSlotIndex; vtableSlotIndex = ifcClass.CliSlotForSlotTag(methodSpec.MethodDecl); MethodSignatureTag methodSignature = ifcClass.Slots[vtableSlotIndex].Signature; CheckMethodCall(methodSpec, dest, parameters, methodSignature); newInstrs.Add(new Instructions.CallRloInterfaceMethodInstruction(tInstr.CodeLocation, vtableSlotIndex, dest, convertedInstance, parameters)); } else { CliClass cliClass = this.Compiler.GetClosedClass(methodInstanceClass); uint vtableSlotIndex; if (!cliClass.DeclTagToVTableSlot.TryGetValue(methodSpec.MethodDecl, out vtableSlotIndex)) throw new RpaCompileException("CallConstrainedVirtualMethod method wasn't found"); MethodSignatureTag methodSignature = cliClass.VTable[vtableSlotIndex].MethodSignature; CheckMethodCall(methodSpec, dest, parameters, methodSignature); newInstrs.Add(new Instructions.CallRloVirtualMethodInstruction(tInstr.CodeLocation, vtableSlotIndex, dest, convertedInstance, parameters)); } } else throw new RpaCompileException("Unexpected constraint type"); } } else { // Constrained generic call on a reference value TypeSpecClassTag declaringClass = methodSpec.DeclaringClass; HighTypeDef typeDef = this.Compiler.GetTypeDef(declaringClass.TypeName); TypeSpecClassTag instanceClassTag = instanceType as TypeSpecClassTag; if (instanceClassTag == null) throw new RpaCompileException("Constrained generic call site a non-class"); HighTypeDef instanceTypeDef = this.Compiler.GetTypeDef(instanceClassTag.TypeName); if (instanceTypeDef.Semantics != TypeSemantics.Class) { MethodInstantiationPath path = GenerateMethodInstantiationPath(tInstr.CodeLocation); throw new RpaCompileException("Constrained generic call on a non-class: " + path.ToString()); } if (!instanceTypeDef.IsSealed) { MethodInstantiationPath path = GenerateMethodInstantiationPath(tInstr.CodeLocation); throw new RpaCompileException("Constrained generic call on a class that isn't sealed: " + path.ToString()); } CliClass instanceClass = this.Compiler.GetClosedClass(instanceClassTag); uint vtableSlotIndex; switch (typeDef.Semantics) { case TypeSemantics.Interface: { CliInterface ifc = this.Compiler.GetClosedInterface(declaringClass); uint ifcSlot = ifc.CliSlotForSlotTag(methodSpec.MethodDecl); vtableSlotIndex = this.Compiler.DevirtualizeInterfaceMethod(instanceClass, declaringClass, ifcSlot); } break; case TypeSemantics.Class: { CliClass cls = this.Compiler.GetClosedClass(declaringClass); if (!cls.DeclTagToVTableSlot.TryGetValue(methodSpec.MethodDecl, out vtableSlotIndex)) throw new RpaCompileException("CallConstrainedVirtualMethod vtable slot had no match"); } break; default: throw new RpaCompileException("Unexpected semantics on generic call on reference type"); } CliVtableSlot vtableSlot = instanceClass.VTable[vtableSlotIndex]; CliMethodIndex methodIndex = vtableSlot.MethodIndex; uint depth = methodIndex.Depth; CliClass instanceConversionTargetClass = instanceClass; while (depth > 0) { instanceConversionTargetClass = instanceConversionTargetClass.ParentClass; depth--; } HighMethod resolvedMethod = instanceConversionTargetClass.Methods[methodIndex.Index]; if (resolvedMethod.MethodSignature.NumGenericParameters != methodSpec.GenericParameters.Length) throw new RpaCompileException("Constrained generic call parameter type mismatch"); // Convert instance HighSsaRegister convertedInstance = new HighSsaRegister(HighValueType.ReferenceValue, instanceConversionTargetClass.TypeSpec, null); EmitPassiveRefConversion(tInstr.CodeLocation, convertedInstance, loadedInstance, newInstrs); // Convert parameters MethodSignatureTag methodSignature = resolvedMethod.MethodSignature.Instantiate(this.Compiler.TagRepository, new TypeSpecTag[0], methodSpec.GenericParameters); int numParameters = methodSignature.ParamTypes.Length; if (numParameters != parameters.Length) throw new RpaCompileException("Constrained generic call parameter count mismatch"); List<HighSsaRegister> convertedParameters = new List<HighSsaRegister>(); for (int i = 0; i < numParameters; i++) { MethodSignatureParam param = methodSignature.ParamTypes[i]; switch (param.TypeOfType.Value) { case MethodSignatureParamTypeOfType.Values.ByRef: convertedParameters.Add(parameters[i]); break; case MethodSignatureParamTypeOfType.Values.Value: { if (this.Compiler.TypeIsValueType(param.Type)) convertedParameters.Add(parameters[i]); else { HighSsaRegister convertedParameter = new HighSsaRegister(HighValueType.ReferenceValue, param.Type, null); EmitPassiveRefConversion(tInstr.CodeLocation, convertedParameter, parameters[i], newInstrs); convertedParameters.Add(convertedParameter); } } break; default: throw new NotImplementedException(); } } parameters = convertedParameters.ToArray(); HighSsaRegister unconvertedReturnDest = tInstr.ReturnDest; HighSsaRegister convertedReturnDest = null; if (unconvertedReturnDest != null) { if (this.Compiler.TypeIsValueType(methodSignature.RetType)) convertedReturnDest = unconvertedReturnDest; else { unconvertedReturnDest = new HighSsaRegister(HighValueType.ReferenceValue, methodSignature.RetType, null); convertedReturnDest = tInstr.ReturnDest; } } MethodSpecTag generatedMethodSpec = new MethodSpecTag(MethodSlotType.Instance, methodSpec.GenericParameters, instanceConversionTargetClass.TypeSpec, resolvedMethod.MethodDeclTag); generatedMethodSpec = this.Compiler.TagRepository.InternMethodSpec(generatedMethodSpec); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(generatedMethodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); CheckMethodCall(generatedMethodSpec, unconvertedReturnDest, parameters, resolvedMethod.MethodSignature); newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, unconvertedReturnDest, convertedInstance, parameters)); if (unconvertedReturnDest != convertedReturnDest) EmitPassiveRefConversion(tInstr.CodeLocation, convertedReturnDest, unconvertedReturnDest, newInstrs); } } } break; case HighInstruction.Opcodes.CompareNumbers: { CompareNumbersInstruction tInstr = (CompareNumbersInstruction)instr; HighSsaRegister dest = tInstr.Dest; if (dest == null) throw new RpaCompileException("CompareNumbers has no destination"); if (dest.ValueType != HighValueType.ValueValue || dest.Type != m_boolType) throw new RpaCompileException("CompareNumbers has an invalid destination type"); TypeSpecClassTag expectedType = ExpectedClassForArithType(tInstr.NumberType); switch (tInstr.Left.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("CompareNumbers has an invalid operand"); } switch (tInstr.Right.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("CompareNumbers has an invalid operand"); } if (tInstr.Left.Type != expectedType || tInstr.Right.Type != expectedType) throw new RpaCompileException("CompareNumbers operands are the wrong type"); } break; case HighInstruction.Opcodes.GetArrayLength: { GetArrayLengthInstruction tInstr = (GetArrayLengthInstruction)instr; HighSsaRegister dest = tInstr.Dest; HighSsaRegister src = tInstr.Src; if (dest != null) { if (dest.ValueType != HighValueType.ValueValue || dest.Type != m_nativeUIntType) throw new RpaCompileException("GetArrayLength invalid destination type"); } switch (src.ValueType) { case HighValueType.Null: break; case HighValueType.ReferenceValue: { TypeSpecArrayTag srcType = src.Type as TypeSpecArrayTag; if (srcType == null) throw new RpaCompileException("GetArrayLength operand isn't an array"); if (srcType.Rank != 1) throw new RpaCompileException("GetArrayLength operand isn't 1-rank"); } break; default: throw new RpaCompileException("GetArrayLength operand isn't a reference"); } } break; case HighInstruction.Opcodes.ReturnValue: { ReturnValueInstruction tInstr = (ReturnValueInstruction)instr; HighSsaRegister value = tInstr.Value; TypeSpecTag retType = this.MethodBody.ReturnType; if (retType is TypeSpecVoidTag) throw new RpaCompileException("ReturnValue in a function that has no return type"); bool isValueType = this.Compiler.TypeIsValueType(retType); bool expectValueType; switch (tInstr.Value.ValueType) { case HighValueType.Null: case HighValueType.ConstantString: case HighValueType.ReferenceValue: expectValueType = false; break; case HighValueType.ConstantValue: case HighValueType.ValueValue: expectValueType = true; break; default: throw new RpaCompileException("ReturnValue invalid return value type"); } if (expectValueType != isValueType) throw new RpaCompileException("Incompatible return value type"); if (tInstr.Value.ValueType != HighValueType.Null && tInstr.Value.Type != retType) throw new RpaCompileException("Incompatible return value type"); } break; case HighInstruction.Opcodes.GetLocalPtr: { GetLocalPtrInstruction tInstr = (GetLocalPtrInstruction)instr; HighLocal local = tInstr.Local; if (local.TypeOfType != HighLocal.ETypeOfType.Value) throw new RpaCompileException("GetLocalPtr local isn't a value"); HighSsaRegister dest = tInstr.Dest; if (dest == null) throw new RpaCompileException("GetLocalPtr has no destination"); if (dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("GetLocalPtr destination isn't a managed pointer"); if (dest.Type != local.Type) throw new RpaCompileException("GetLocalPtr destination isn't the same type as the local"); } break; case HighInstruction.Opcodes.UnaryArith: { UnaryArithInstruction tInstr = (UnaryArithInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("UnaryArith has no destination"); TypeSpecClassTag expectedClass = ExpectedClassForArithType(tInstr.ArithType); switch (tInstr.Src.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("UnaryArith source type is invalid"); } if (tInstr.Dest.ValueType != HighValueType.ValueValue) throw new RpaCompileException("UnaryArith destination type is invalid"); if (tInstr.Src.Type != expectedClass || tInstr.Dest.Type != expectedClass) throw new RpaCompileException("UnaryArith type doesn't match"); } break; case HighInstruction.Opcodes.StoreLocal: { StoreLocalInstruction tInstr = (StoreLocalInstruction)instr; HighLocal local = tInstr.Local; HighSsaRegister src = tInstr.Src; switch (local.TypeOfType) { case HighLocal.ETypeOfType.ByRef: if (src.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("StoreLocal type mismatch"); if (src.Type != local.Type) throw new RpaCompileException("StoreLocal type mismatch"); break; case HighLocal.ETypeOfType.Value: { bool isValueType = this.Compiler.TypeIsValueType(local.Type); if (isValueType) { switch (src.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: if (src.Type != local.Type) throw new RpaCompileException("StoreLocal type mismatch"); break; default: throw new RpaCompileException("StoreLocal source type is invalid"); } } else { switch (src.ValueType) { case HighValueType.ConstantString: case HighValueType.ReferenceValue: if (src.Type != local.Type) throw new RpaCompileException("StoreLocal type mismatch"); break; case HighValueType.Null: break; default: throw new RpaCompileException("StoreLocal source type is invalid"); } } } break; case HighLocal.ETypeOfType.TypedByRef: throw new NotImplementedException(); default: throw new ArgumentException(); } } break; case HighInstruction.Opcodes.UnboxPtr: { UnboxPtrInstruction tInstr = (UnboxPtrInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("UnboxPtr has no destination"); if (tInstr.Dest.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("UnboxPtr destination isn't a managed pointer"); if (!this.Compiler.TypeIsValueType(tInstr.Dest.Type)) throw new RpaCompileException("UnboxPtr type isn't a value type"); switch (tInstr.Src.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: // Grumble grumble case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("UnboxPtr source isn't a reference type"); } if (tInstr.Src.Type != m_objectType) throw new RpaCompileException("UnboxPtr source isn't System.Object"); } break; case HighInstruction.Opcodes.ZeroFillPtr: { ZeroFillPtrInstruction tInstr = (ZeroFillPtrInstruction)instr; if (tInstr.Target.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("ZeroFillPtr target isn't a managed pointer"); } break; case HighInstruction.Opcodes.UnboxValue: { UnboxValueInstruction tInstr = (UnboxValueInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("UnboxValue has no destination"); switch (tInstr.Src.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: // Grumble grumble case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("UnboxValue source isn't a reference type"); } if (tInstr.Src.Type != m_objectType) throw new RpaCompileException("UnboxValue source isn't System.Object"); validationOnly = true; switch (tInstr.Dest.ValueType) { case HighValueType.ValueValue: { HighSsaRegister ptr = new HighSsaRegister(HighValueType.ManagedPtr, tInstr.Dest.Type, null); newInstrs.Add(new UnboxPtrInstruction(tInstr.CodeLocation, ptr, tInstr.Src)); newInstrs.Add(new LoadPtrInstruction(tInstr.CodeLocation, tInstr.Dest, ptr)); } break; case HighValueType.ReferenceValue: newInstrs.Add(new ForceDynamicCastInstruction(tInstr.CodeLocation, tInstr.Dest, tInstr.Src, tInstr.Dest.Type)); break; default: throw new RpaCompileException("UnboxValue destination is invalid"); } } break; case HighInstruction.Opcodes.Switch: { SwitchInstruction tInstr = (SwitchInstruction)instr; switch (tInstr.Value.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("Switch source is invalid"); } if (tInstr.Value.Type != m_uint32Type) throw new RpaCompileException("Switch source isn't a UInt32"); } break; case HighInstruction.Opcodes.Throw: { ThrowInstruction tInstr = (ThrowInstruction)instr; switch (tInstr.Exception.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("Throw instruction doesn't throw an object"); } } break; case HighInstruction.Opcodes.StorePtr: { StorePtrInstruction tInstr = (StorePtrInstruction)instr; if (tInstr.Ptr.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("StorePtr destination isn't a managed pointer"); bool isValueType = this.Compiler.TypeIsValueType(tInstr.Ptr.Type); switch (tInstr.Value.ValueType) { case HighValueType.ConstantString: case HighValueType.ConstantValue: case HighValueType.ReferenceValue: case HighValueType.ValueValue: if (tInstr.Value.Type != tInstr.Ptr.Type) throw new RpaCompileException("StorePtr type mismatch"); break; case HighValueType.Null: if (isValueType) throw new RpaCompileException("StorePtr type mismatch"); break; default: throw new RpaCompileException("StorePtr source is invalid"); } } break; case HighInstruction.Opcodes.GetFieldInfo: { GetFieldInfoInstruction tInstr = (GetFieldInfoInstruction)instr; TypeSpecClassTag typeClassSpec = tInstr.Type as TypeSpecClassTag; if (typeClassSpec == null) throw new RpaCompileException("GetFieldInfo type isn't a class"); if (!this.Compiler.HaveCliOpenClass(typeClassSpec.TypeName)) throw new RpaCompileException("GetFieldInfo type name isn't a class"); CliClass cls = this.Compiler.GetClosedClass(typeClassSpec); if (tInstr.Dest == null) throw new RpaCompileException("GetFieldInfo has no destination"); if (tInstr.Dest.ValueType != HighValueType.ValueValue && tInstr.Type != m_runtimeFieldHandleType) throw new RpaCompileException("GetFieldInfo destination is invalid"); IDictionary<string, uint> fieldDict = tInstr.IsStatic ? cls.NameToStaticFieldSlot : cls.NameToInstanceFieldSlot; uint fieldIndex; if (!fieldDict.TryGetValue(tInstr.FieldName, out fieldIndex)) throw new RpaCompileException("GetFieldInfo field not found"); validationOnly = false; newInstrs.Add(new Instructions.GetRloFieldInfoInstruction(tInstr.CodeLocation, tInstr.Dest, tInstr.Type, fieldIndex, tInstr.IsStatic)); } break; case HighInstruction.Opcodes.LoadValueField: { LoadValueFieldInstruction tInstr = (LoadValueFieldInstruction)instr; validationOnly = false; if (tInstr.Src.ValueType != HighValueType.ValueValue) throw new RpaCompileException("LoadValueField source is invalid"); TypeSpecClassTag typeClassSpec = tInstr.Src.Type as TypeSpecClassTag; if (typeClassSpec == null) throw new RpaCompileException("LoadValueField type isn't a class"); if (!this.Compiler.HaveCliOpenClass(typeClassSpec.TypeName)) throw new RpaCompileException("LoadValueField type name isn't a class"); CliClass cls = this.Compiler.GetClosedClass(typeClassSpec); uint fieldIndex; if (!cls.NameToInstanceFieldSlot.TryGetValue(tInstr.FieldName, out fieldIndex)) throw new RpaCompileException("LoadValueField field not found"); HighField fld = cls.InstanceFields[fieldIndex]; switch (tInstr.Dest.ValueType) { case HighValueType.ValueValue: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("LoadValueField destination isn't a value"); } if (tInstr.Dest.Type != fld.Type) throw new RpaCompileException("LoadValueField destination type mismatch"); validationOnly = false; newInstrs.Add(new Instructions.LoadValueRloFieldInstruction(tInstr.CodeLocation, tInstr.Dest, tInstr.Src, fieldIndex)); } break; case HighInstruction.Opcodes.BindStaticDelegate: { BindStaticDelegateInstruction tInstr = (BindStaticDelegateInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("BindStaticDelegate has no destination"); if (tInstr.Dest.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("BindStaticDelegate target isn't a reference"); TypeSpecClassTag destClass = tInstr.Dest.Type as TypeSpecClassTag; if (destClass == null) throw new RpaCompileException("BindStaticDelegate destination isn't a class"); HighTypeDef typeDef = this.Compiler.GetTypeDef(destClass.TypeName); if (typeDef.Semantics != TypeSemantics.Delegate) throw new RpaCompileException("BindStaticDelegate destination isn't a delegate"); if (tInstr.MethodSpec.MethodSlotType != MethodSlotType.Static) throw new RpaCompileException("BindStaticDelegate method spec isn't static"); TypeSpecDelegateTag dgTag = new TypeSpecDelegateTag(destClass, tInstr.MethodSpec); dgTag = (TypeSpecDelegateTag)this.Compiler.TagRepository.InternTypeSpec(dgTag); validationOnly = true; HighSsaRegister sdInstance = new HighSsaRegister(HighValueType.ReferenceValue, dgTag, null); newInstrs.Add(new AllocObjInstruction(tInstr.CodeLocation, sdInstance, dgTag)); newInstrs.Add(new Instructions.ObjectToObjectInstruction(tInstr.CodeLocation, tInstr.Dest, sdInstance)); this.Compiler.GetRloVTable(dgTag, GenerateMethodInstantiationPath(tInstr.CodeLocation)); } break; case HighInstruction.Opcodes.BindInstanceDelegate: { BindInstanceDelegateInstruction tInstr = (BindInstanceDelegateInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("BindInstanceDelegate has no destination"); if (tInstr.Dest.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("BindInstanceDelegate target isn't a reference"); TypeSpecClassTag destClass = tInstr.Dest.Type as TypeSpecClassTag; if (destClass == null) throw new RpaCompileException("BindInstanceDelegate destination isn't a class"); HighTypeDef typeDef = this.Compiler.GetTypeDef(destClass.TypeName); if (typeDef.Semantics != TypeSemantics.Delegate) throw new RpaCompileException("BindInstanceDelegate destination isn't a delegate"); if (tInstr.MethodSpec.MethodSlotType != MethodSlotType.Instance) throw new RpaCompileException("BindInstanceDelegate method spec isn't an instance method"); switch (tInstr.Object.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("BindInstanceDelegate object is invalid"); } if (tInstr.MethodSpec.DeclaringClass != tInstr.Object.Type) throw new RpaCompileException("BindInstanceDelegate method spec type doesn't match source"); if (tInstr.MethodSpec.MethodSlotType != MethodSlotType.Instance) throw new RpaCompileException("BindInstanceDelegate method spec isn't an instance method"); TypeSpecDelegateTag dgTag = new TypeSpecDelegateTag(destClass, tInstr.MethodSpec); dgTag = (TypeSpecDelegateTag)this.Compiler.TagRepository.InternTypeSpec(dgTag); validationOnly = true; HighSsaRegister dgInstance = new HighSsaRegister(HighValueType.ReferenceValue, dgTag, null); newInstrs.Add(new Instructions.AllocInstanceDelegateInstruction(tInstr.CodeLocation, dgTag, dgInstance, tInstr.Object)); newInstrs.Add(new Instructions.ObjectToObjectInstruction(tInstr.CodeLocation, tInstr.Dest, dgInstance)); this.Compiler.GetRloVTable(dgTag, GenerateMethodInstantiationPath(tInstr.CodeLocation)); } break; case HighInstruction.Opcodes.BindVirtualDelegate: { BindVirtualDelegateInstruction tInstr = (BindVirtualDelegateInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("BindVirtualDelegate has no destination"); if (tInstr.Dest.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("BindVirtualDelegate target isn't a reference"); TypeSpecClassTag destClass = tInstr.Dest.Type as TypeSpecClassTag; if (destClass == null) throw new RpaCompileException("BindVirtualDelegate destination isn't a class"); HighTypeDef typeDef = this.Compiler.GetTypeDef(destClass.TypeName); if (typeDef.Semantics != TypeSemantics.Delegate) throw new RpaCompileException("BindVirtualDelegate destination isn't a delegate"); if (tInstr.MethodSpec.MethodSlotType != MethodSlotType.Virtual) throw new RpaCompileException("BindVirtualDelegate method spec isn't an instance method"); switch (tInstr.Object.ValueType) { case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: break; default: throw new RpaCompileException("BindInstanceDelegate object is invalid"); } if (tInstr.MethodSpec.DeclaringClass != tInstr.Object.Type) throw new RpaCompileException("BindInstanceDelegate method spec type doesn't match source"); if (tInstr.MethodSpec.MethodSlotType != MethodSlotType.Virtual) throw new RpaCompileException("BindInstanceDelegate method spec isn't a virtual method"); TypeSpecDelegateTag dgTag = new TypeSpecDelegateTag(destClass, tInstr.MethodSpec); dgTag = (TypeSpecDelegateTag)this.Compiler.TagRepository.InternTypeSpec(dgTag); validationOnly = true; HighSsaRegister dgInstance = new HighSsaRegister(HighValueType.ReferenceValue, dgTag, null); newInstrs.Add(new Instructions.AllocInstanceDelegateInstruction(tInstr.CodeLocation, dgTag, dgInstance, tInstr.Object)); newInstrs.Add(new Instructions.ObjectToObjectInstruction(tInstr.CodeLocation, tInstr.Dest, dgInstance)); this.Compiler.GetRloVTable(dgTag, GenerateMethodInstantiationPath(tInstr.CodeLocation)); } break; case HighInstruction.Opcodes.Catch: { CatchInstruction tInstr = (CatchInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("Catch instruction has no destination"); if (tInstr.Dest.ValueType != HighValueType.ReferenceValue) throw new RpaCompileException("Catch instruction destination is invalid"); } break; case HighInstruction.Opcodes.NumberConvert: { validationOnly = false; NumberConvertInstruction tInstr = (NumberConvertInstruction)instr; if (tInstr.Dest == null) throw new RpaCompileException("NumberConvert instruction destination is invalid"); if (tInstr.Dest.ValueType != HighValueType.ValueValue) break; switch (tInstr.Src.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: break; default: throw new RpaCompileException("NumberConvert source is invalid"); } EmitNumberConversion(tInstr.CodeLocation, tInstr.Dest, tInstr.Src, tInstr.CheckOverflow, newInstrs); } break; case HighInstruction.Opcodes.PassiveConvert: { PassiveConvertInstruction tInstr = (PassiveConvertInstruction)instr; validationOnly = false; if (tInstr.Dest == null) throw new RpaCompileException("PassiveConvert has no destination"); bool srcIsValue; switch (tInstr.Src.ValueType) { case HighValueType.ConstantValue: case HighValueType.ValueValue: srcIsValue = true; break; case HighValueType.BoxedValue: case HighValueType.ConstantString: case HighValueType.Null: case HighValueType.ReferenceValue: srcIsValue = false; break; default: throw new RpaCompileException("PassiveConvert invalid source type"); } bool destIsValue; switch (tInstr.Dest.ValueType) { case HighValueType.BoxedValue: case HighValueType.ReferenceValue: destIsValue = false; break; case HighValueType.ValueValue: destIsValue = true; break; default: throw new RpaCompileException("PassiveConvert invalid dest type"); } if (destIsValue != srcIsValue) throw new RpaCompileException("PassiveConvert ref/value mismatch"); if (srcIsValue) EmitPassiveValueConversion(tInstr.CodeLocation, tInstr.Dest, tInstr.Src, newInstrs); else EmitPassiveRefConversion(tInstr.CodeLocation, tInstr.Dest, tInstr.Src, newInstrs); } break; case HighInstruction.Opcodes.CallConstrainedMethod: { validationOnly = false; CallConstrainedMethodInstruction tInstr = (CallConstrainedMethodInstruction)instr; HighSsaRegister refInstance = tInstr.InstanceSrc; HighSsaRegister[] parameters = tInstr.Parameters; HighSsaRegister dest = tInstr.ReturnDest; MethodSpecTag methodSpec = tInstr.MethodSpec; if (methodSpec.MethodSlotType != MethodSlotType.Instance) throw new RpaCompileException("CallConstrainedMethodInstruction target is not an instance method"); TypeSpecTag constraintType = tInstr.ConstraintType; if (refInstance.ValueType != HighValueType.ManagedPtr) throw new RpaCompileException("CallConstrainedMethodInstruction target is not a managed pointer"); if (refInstance.Type != constraintType) throw new RpaCompileException("CallConstrainedMethodInstruction target type is different from constraint type"); TypeSpecTag instanceType = refInstance.Type; bool isValueType; bool isInterface; switch (instanceType.SubType) { case TypeSpecTag.SubTypeCode.Array: isValueType = false; isInterface = false; break; case TypeSpecTag.SubTypeCode.Class: { TypeSpecClassTag instanceClassTag = (TypeSpecClassTag)instanceType; HighTypeDef instanceTypeDef = this.Compiler.GetTypeDef(instanceClassTag.TypeName); switch (instanceTypeDef.Semantics) { case TypeSemantics.Class: case TypeSemantics.Delegate: isValueType = false; isInterface = false; break; case TypeSemantics.Interface: isValueType = false; isInterface = true; break; case TypeSemantics.Enum: case TypeSemantics.Struct: isValueType = true; isInterface = false; break; default: throw new NotSupportedException(); } } break; default: throw new RpaCompileException("Invalid instance type in CallConstrainedVirtualMethod"); }; if (isValueType) { TypeSpecClassTag instanceClassTag = (TypeSpecClassTag)refInstance.Type; CliClass cls = this.Compiler.GetClosedClass(instanceClassTag); TypeSpecClassTag methodDeclaringClass = methodSpec.DeclaringClass; HighTypeDef methodTypeDef = this.Compiler.GetTypeDef(methodDeclaringClass.TypeName); HighMethod resolvedMethod; uint methodIndex = 0; if (methodTypeDef.Semantics != TypeSemantics.Class) throw new RpaCompileException("CallConstrainedMethod declaring type isn't a class"); CliClass resolvedClass = cls; while (resolvedClass != null) { if (resolvedClass.DeclTagToMethod.TryGetValue(methodSpec.MethodDecl, out methodIndex)) break; resolvedClass = resolvedClass.ParentClass; } if (resolvedClass == null) throw new RpaCompileException("CallConstrainedMethod virtual method was not found"); resolvedMethod = resolvedClass.Methods[methodIndex]; HighSsaRegister boxed = new HighSsaRegister(HighValueType.BoxedValue, instanceType, null); newInstrs.Add(new BoxInstruction(tInstr.CodeLocation, boxed, refInstance)); HighSsaRegister newInstanceSrc = new HighSsaRegister(HighValueType.ReferenceValue, resolvedClass.TypeSpec, null); newInstrs.Add(new Instructions.ObjectToObjectInstruction(tInstr.CodeLocation, newInstanceSrc, boxed)); MethodSpecTag generatedMethodSpec = new MethodSpecTag(MethodSlotType.Instance, methodSpec.GenericParameters, resolvedClass.TypeSpec, resolvedMethod.MethodDeclTag); generatedMethodSpec = this.Compiler.TagRepository.InternMethodSpec(generatedMethodSpec); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(generatedMethodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); CheckMethodCall(generatedMethodSpec, dest, parameters, resolvedMethod.MethodSignature); newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, dest, newInstanceSrc, parameters)); } else { HighSsaRegister loadedInstance = new HighSsaRegister(HighValueType.ReferenceValue, refInstance.Type, null); newInstrs.Add(new LoadPtrInstruction(tInstr.CodeLocation, loadedInstance, refInstance)); if (methodSpec.GenericParameters.Length != 0) throw new RpaCompileException("Generic method spec on a non-virtual method (???)"); HighSsaRegister instance = new HighSsaRegister(HighValueType.ReferenceValue, constraintType, null); EmitPassiveRefConversion(tInstr.CodeLocation, instance, loadedInstance, newInstrs); if (isInterface) { HighSsaRegister objReg = new HighSsaRegister(HighValueType.ReferenceValue, m_objectType, null); newInstrs.Add(new Instructions.InterfaceToObjectInstruction(tInstr.CodeLocation, objReg, loadedInstance)); if (methodSpec.DeclaringClass != m_objectType) throw new RpaCompileException("Constrained method on an interface isn't System.Object"); uint methodIndex; CliClass objClass = this.Compiler.GetClosedClass(m_objectType); if (!objClass.DeclTagToMethod.TryGetValue(methodSpec.MethodDecl, out methodIndex)) throw new RpaCompileException("Constrained method on System.Object not found"); HighMethod resolvedMethod = objClass.Methods[methodIndex]; MethodSignatureTag methodSignature = resolvedMethod.MethodSignature; CheckMethodCall(methodSpec, dest, parameters, methodSignature); MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(methodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, dest, instance, parameters)); } else { if (constraintType is TypeSpecClassTag || constraintType is TypeSpecArrayTag) { TypeSpecClassTag methodInstanceClass = methodSpec.DeclaringClass; if (this.Compiler.TypeIsValueType(methodInstanceClass)) throw new RpaCompileException("CallConstrainedMethod method spec is from a value type"); HighSsaRegister convertedInstance = new HighSsaRegister(HighValueType.ReferenceValue, methodInstanceClass, null); EmitPassiveRefConversion(tInstr.CodeLocation, convertedInstance, loadedInstance, newInstrs); if (this.Compiler.TypeIsInterface(methodInstanceClass)) throw new RpaCompileException("CallConstrainedMethod target class was an interface"); else { CliClass cliClass = this.Compiler.GetClosedClass(methodInstanceClass); uint methodIndex; if (!cliClass.DeclTagToMethod.TryGetValue(methodSpec.MethodDecl, out methodIndex)) throw new RpaCompileException("CallConstrainedMethod method wasn't found"); HighMethod resolvedMethod = cliClass.Methods[methodIndex]; MethodSignatureTag methodSignature = resolvedMethod.MethodSignature; MethodHandle methodHandle = this.Compiler.InstantiateMethod(new MethodSpecMethodKey(methodSpec), GenerateMethodInstantiationPath(tInstr.CodeLocation)); CheckMethodCall(methodSpec, dest, parameters, methodSignature); newInstrs.Add(new Instructions.CallRloInstanceMethodInstruction(tInstr.CodeLocation, methodHandle, dest, convertedInstance, parameters)); } } else throw new RpaCompileException("Unexpected constraint type"); } } } break; case HighInstruction.Opcodes.Return: case HighInstruction.Opcodes.Branch: case HighInstruction.Opcodes.EnterProtectedBlock: case HighInstruction.Opcodes.LeaveRegion: break; //throw new NotImplementedException(); default: throw new ArgumentException(); } if (validationOnly) newInstrs.Add(instr); }
private void ConvertInstruction(HighInstruction instr, List<HighInstruction> newInstrs) { switch (instr.Opcode) { case HighInstruction.Opcodes.AllocArray: case HighInstruction.Opcodes.LoadLocal: case HighInstruction.Opcodes.PassiveConvert: case HighInstruction.Opcodes.Arith: case HighInstruction.Opcodes.Box: case HighInstruction.Opcodes.BranchCompareNumbers: case HighInstruction.Opcodes.Branch: case HighInstruction.Opcodes.DynamicCast: case HighInstruction.Opcodes.ForceDynamicCast: case HighInstruction.Opcodes.GetArrayElementPtr: case HighInstruction.Opcodes.CompareRefs: case HighInstruction.Opcodes.BranchCompareRefs: case HighInstruction.Opcodes.GetStaticFieldAddr: case HighInstruction.Opcodes.BranchRefNull: case HighInstruction.Opcodes.GetTypeInfo: case HighInstruction.Opcodes.CallConstrainedMethod: case HighInstruction.Opcodes.CallConstrainedVirtualMethod: case HighInstruction.Opcodes.LoadPtr: case HighInstruction.Opcodes.PtrField: case HighInstruction.Opcodes.CallInstanceMethod: case HighInstruction.Opcodes.CallStaticMethod: case HighInstruction.Opcodes.RefField: case HighInstruction.Opcodes.NumberConvert: case HighInstruction.Opcodes.CompareNumbers: case HighInstruction.Opcodes.CallVirtualMethod: case HighInstruction.Opcodes.GetArrayLength: case HighInstruction.Opcodes.Return: case HighInstruction.Opcodes.GetLocalPtr: case HighInstruction.Opcodes.ReturnValue: case HighInstruction.Opcodes.UnaryArith: case HighInstruction.Opcodes.StoreLocal: case HighInstruction.Opcodes.UnboxPtr: case HighInstruction.Opcodes.ZeroFillPtr: case HighInstruction.Opcodes.UnboxValue: case HighInstruction.Opcodes.Switch: case HighInstruction.Opcodes.Throw: case HighInstruction.Opcodes.StorePtr: case HighInstruction.Opcodes.GetFieldInfo: case HighInstruction.Opcodes.LoadValueField: case HighInstruction.Opcodes.BindStaticDelegate: case HighInstruction.Opcodes.BindInstanceDelegate: case HighInstruction.Opcodes.BindVirtualDelegate: case HighInstruction.Opcodes.Catch: case HighInstruction.Opcodes.LeaveRegion: case HighInstruction.Opcodes.AllocObj: { HighInstruction clonedInstr = instr.Clone(); clonedInstr.VisitAllSsa(m_ssaTranslate); ILocalUsingInstruction localUsing = clonedInstr as ILocalUsingInstruction; if (localUsing != null) localUsing.VisitLocalRefs(m_localTranslate); IBranchingInstruction branching = clonedInstr as IBranchingInstruction; if (branching != null) branching.VisitSuccessors(m_cfgEdgeTranslate); ITypeReferencingInstruction typeReferencing = clonedInstr as ITypeReferencingInstruction; if (typeReferencing != null) typeReferencing.VisitTypes(m_typeSpecTranslate); IMethodReferencingInstruction methodReferencing = clonedInstr as IMethodReferencingInstruction; if (methodReferencing != null) methodReferencing.VisitMethodSpecs(m_methodSpecTranslate); newInstrs.Add(clonedInstr); } break; case HighInstruction.Opcodes.EnterProtectedBlock: { EnterProtectedBlockInstruction tInstr = (EnterProtectedBlockInstruction)instr; HighEHCluster oldCluster = tInstr.EHCluster; List<HighEscapePathTerminator> terminators = new List<HighEscapePathTerminator>(); foreach (HighEscapePathTerminator terminator in oldCluster.EscapePathTerminators) { uint escapePath = terminator.EscapePath; HighCfgNodeHandle cfgNode = GetNode(terminator.CfgNode.Value); terminators.Add(new HighEscapePathTerminator(escapePath, cfgNode)); } HighProtectedRegion oldProtRegion = oldCluster.ProtectedRegion; HighProtectedRegion convertedProtRegion = ConvertProtectedRegion(oldProtRegion); HighEHCluster newCluster = new HighEHCluster(convertedProtRegion, terminators.ToArray()); newInstrs.Add(new EnterProtectedBlockInstruction(tInstr.CodeLocation, newCluster)); } break; default: throw new Exception("Unrecognized instruction"); } }
public void VisitSsaUses(HighInstruction.VisitSsaDelegate visitor) { foreach (HighPhiLink phiLink in m_links) phiLink.VisitSsaUses(visitor); }
public void VisitSsaDests(HighInstruction.VisitSsaDelegate visitor) { visitor(ref m_dest); }
public void VisitCfgNodes(HighInstruction.VisitCfgNodeDelegate visitor) { visitor(ref m_entryNode); }
protected abstract void VisitCfgNodesInternal(HighInstruction.VisitCfgNodeDelegate visitor);
public void VisitCfgNodes(HighInstruction.VisitCfgNodeDelegate visitor) { m_tryRegion.VisitCfgNodes(visitor); this.VisitCfgNodesInternal(visitor); }