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//------------------------------------------------------------------------------
// <copyright file="CodeGenerator.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
using System;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
namespace System.Xml.Serialization {
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Globalization;
using System.Xml;
using System.Xml.Serialization.Configuration;
using System.Reflection;
using System.Reflection.Emit;
using System.IO;
using System.Security;
using System.Security.Permissions;
using System.Text.RegularExpressions;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
internal class CodeGenerator {
[SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Justification = "Method does validation only without any user input")]
internal static bool IsValidLanguageIndependentIdentifier(string ident) { return System.CodeDom.Compiler.CodeGenerator.IsValidLanguageIndependentIdentifier(ident); }
[SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands", Justification = "Method does validation only without any user input")]
internal static void ValidateIdentifiers(System.CodeDom.CodeObject e) { System.CodeDom.Compiler.CodeGenerator.ValidateIdentifiers(e); }
internal static BindingFlags InstancePublicBindingFlags = BindingFlags.Instance | BindingFlags.Public;
internal static BindingFlags InstanceBindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
internal static BindingFlags StaticBindingFlags = BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;
internal static MethodAttributes PublicMethodAttributes = MethodAttributes.Public | MethodAttributes.HideBySig;
internal static MethodAttributes PublicOverrideMethodAttributes = MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig;
internal static MethodAttributes ProtectedOverrideMethodAttributes = MethodAttributes.Family | MethodAttributes.Virtual | MethodAttributes.HideBySig;
internal static MethodAttributes PrivateMethodAttributes = MethodAttributes.Private | MethodAttributes.HideBySig;
internal static Type[] EmptyTypeArray = new Type[] { };
internal static string[] EmptyStringArray = new string[] { };
TypeBuilder typeBuilder;
MethodBuilder methodBuilder;
ILGenerator ilGen;
Dictionary<string, ArgBuilder> argList;
LocalScope currentScope;
// Stores a queue of free locals available in the context of the method, keyed by
// type and name of the local
Dictionary<Tuple<Type, string>, Queue<LocalBuilder>> freeLocals;
Stack blockStack;
Label methodEndLabel;
internal CodeGenerator(TypeBuilder typeBuilder) {
System.Diagnostics.Debug.Assert(typeBuilder != null);
this.typeBuilder = typeBuilder;
}
internal static bool IsNullableGenericType(Type type) {
return type.Name == "Nullable`1";
}
internal static void AssertHasInterface(Type type, Type iType) {
#if DEBUG
Debug.Assert(iType.IsInterface);
foreach (Type iFace in type.GetInterfaces()) {
if (iFace == iType)
return;
}
Debug.Assert(false);
#endif
}
internal void BeginMethod(Type returnType, string methodName, Type[] argTypes, string[] argNames, MethodAttributes methodAttributes) {
this.methodBuilder = typeBuilder.DefineMethod(methodName, methodAttributes, returnType, argTypes);
this.ilGen = methodBuilder.GetILGenerator();
InitILGeneration(argTypes, argNames, (methodBuilder.Attributes & MethodAttributes.Static) == MethodAttributes.Static);
}
internal void BeginMethod(Type returnType, MethodBuilderInfo methodBuilderInfo, Type[] argTypes, string[] argNames, MethodAttributes methodAttributes) {
#if DEBUG
methodBuilderInfo.Validate(returnType, argTypes, methodAttributes);
#endif
this.methodBuilder = methodBuilderInfo.MethodBuilder;
this.ilGen = methodBuilder.GetILGenerator();
InitILGeneration(argTypes, argNames, (methodBuilder.Attributes & MethodAttributes.Static) == MethodAttributes.Static);
}
void InitILGeneration(Type[] argTypes, string[] argNames, bool isStatic) {
this.methodEndLabel = ilGen.DefineLabel();
this.retLabel = ilGen.DefineLabel();
this.blockStack = new Stack();
this.whileStack = new Stack();
this.currentScope = new LocalScope();
this.freeLocals = new Dictionary<Tuple<Type, string>, Queue<LocalBuilder>>();
this.argList = new Dictionary<string, ArgBuilder>();
// this ptr is arg 0 for non static, assuming ref type (not value type)
if (!isStatic)
argList.Add("this", new ArgBuilder("this", 0, this.typeBuilder.BaseType));
for (int i = 0; i < argTypes.Length; i++) {
ArgBuilder arg = new ArgBuilder(argNames[i], argList.Count, argTypes[i]);
argList.Add(arg.Name, arg);
this.methodBuilder.DefineParameter(arg.Index, ParameterAttributes.None, arg.Name);
}
}
internal MethodBuilder EndMethod() {
MarkLabel(methodEndLabel);
Ret();
MethodBuilder retVal = null;
retVal = methodBuilder;
methodBuilder = null;
ilGen = null;
freeLocals = null;
blockStack = null;
whileStack = null;
argList = null;
currentScope = null;
retLocal = null;
return retVal;
}
internal MethodBuilder MethodBuilder {
get { return this.methodBuilder; }
}
internal static Exception NotSupported(string msg) {
System.Diagnostics.Debug.Assert(false, msg);
return new NotSupportedException(msg);
}
internal ArgBuilder GetArg(string name) {
System.Diagnostics.Debug.Assert(argList != null && argList.ContainsKey(name));
return (ArgBuilder)argList[name];
}
internal LocalBuilder GetLocal(string name) {
System.Diagnostics.Debug.Assert(currentScope != null && currentScope.ContainsKey(name));
return currentScope[name];
}
internal LocalBuilder retLocal;
internal Label retLabel;
internal LocalBuilder ReturnLocal {
get {
if (retLocal == null)
retLocal = DeclareLocal(this.methodBuilder.ReturnType, "_ret");
return retLocal;
}
}
internal Label ReturnLabel {
get { return retLabel; }
}
Dictionary<Type, LocalBuilder> TmpLocals = new Dictionary<Type, LocalBuilder>();
internal LocalBuilder GetTempLocal(Type type) {
LocalBuilder localTmp;
if (!TmpLocals.TryGetValue(type, out localTmp)) {
localTmp = DeclareLocal(type, "_tmp" + TmpLocals.Count);
TmpLocals.Add(type, localTmp);
}
return localTmp;
}
internal Type GetVariableType(object var) {
if (var is ArgBuilder)
return ((ArgBuilder)var).ArgType;
else if (var is LocalBuilder)
return ((LocalBuilder)var).LocalType;
else
return var.GetType();
}
internal object GetVariable(string name) {
object var;
if (TryGetVariable(name, out var))
return var;
System.Diagnostics.Debug.Assert(false);
return null;
}
internal bool TryGetVariable(string name, out object variable) {
LocalBuilder loc;
if (currentScope != null && currentScope.TryGetValue(name, out loc)) {
variable = loc;
return true;
}
ArgBuilder arg;
if (argList != null && argList.TryGetValue(name, out arg)) {
variable = arg;
return true;
}
int val;
if (Int32.TryParse(name, out val)) {
variable = val;
return true;
}
variable = null;
return false;
}
#if NotUsed
internal LocalBuilder DeclareLocal(Type type, string name, object initialValue) {
LocalBuilder local = DeclareLocal(type, name);
Load(initialValue);
Store(local);
return local;
}
#endif
internal void EnterScope() {
LocalScope newScope = new LocalScope(this.currentScope);
this.currentScope = newScope;
}
internal void ExitScope()
{
Debug.Assert(this.currentScope.parent != null);
this.currentScope.AddToFreeLocals(freeLocals);
this.currentScope = this.currentScope.parent;
}
private bool TryDequeueLocal(Type type, string name, out LocalBuilder local) {
// This method can only be called between BeginMethod and EndMethod (i.e.
// while we are emitting code for a method
Debug.Assert(freeLocals != null);
Queue<LocalBuilder> freeLocalQueue;
Tuple<Type, string> key = new Tuple<Type, string>(type, name);
if (freeLocals.TryGetValue(key, out freeLocalQueue)) {
local = freeLocalQueue.Dequeue();
// If the queue is empty, remove this key from the dictionary
// of free locals
if (freeLocalQueue.Count == 0) {
freeLocals.Remove(key);
}
return true;
}
local = null;
return false;
}
internal LocalBuilder DeclareLocal(Type type, string name) {
Debug.Assert(!currentScope.ContainsKey(name));
LocalBuilder local;
if (!TryDequeueLocal(type, name, out local)) {
local = ilGen.DeclareLocal(type, false);
if (DiagnosticsSwitches.KeepTempFiles.Enabled)
local.SetLocalSymInfo(name);
}
currentScope[name] = local;
return local;
}
internal LocalBuilder DeclareOrGetLocal(Type type, string name) {
LocalBuilder local;
if (!currentScope.TryGetValue(name, out local))
local = DeclareLocal(type, name);
else
Debug.Assert(local.LocalType == type);
return local;
}
#if NotUsed
Dictionary<string, int> parameterMapping = new Dictionary<string, int>();
internal Dictionary<string, int> ParameterMapping { get { return this.parameterMapping; } }
internal ParameterBuilder DefineParameter(int index, ParameterAttributes attributes, string name)
{
if (this.parameterMapping == null)
{
this.parameterMapping = new Dictionary<string, int>();
}
this.parameterMapping.Add(name, index);
return this.methodBuilder.DefineParameter(index, attributes, name);
}
internal void Set(LocalBuilder local, object value)
{
Load(value);
Store(local);
}
#endif
internal object For(LocalBuilder local, object start, object end) {
ForState forState = new ForState(local, DefineLabel(), DefineLabel(), end);
if (forState.Index != null) {
Load(start);
Stloc(forState.Index);
Br(forState.TestLabel);
}
MarkLabel(forState.BeginLabel);
blockStack.Push(forState);
return forState;
}
internal void EndFor() {
object stackTop = blockStack.Pop();
ForState forState = stackTop as ForState;
Debug.Assert(forState != null);
if (forState.Index != null) {
Ldloc(forState.Index);
Ldc(1);
Add();
Stloc(forState.Index);
MarkLabel(forState.TestLabel);
Ldloc(forState.Index);
Load(forState.End);
Type varType = GetVariableType(forState.End);
if (varType.IsArray) {
Ldlen();
}
else {
#if DEBUG
CodeGenerator.AssertHasInterface(varType, typeof(ICollection));
#endif
MethodInfo ICollection_get_Count = typeof(ICollection).GetMethod(
"get_Count",
CodeGenerator.InstanceBindingFlags,
null,
CodeGenerator.EmptyTypeArray,
null
);
Call(ICollection_get_Count);
}
Blt(forState.BeginLabel);
}
else
Br(forState.BeginLabel);
}
#if NotUsed
internal void Break(object forState)
{
InternalBreakFor(forState, OpCodes.Br);
}
internal void IfTrueBreak(object forState)
{
InternalBreakFor(forState, OpCodes.Brtrue);
}
internal void IfFalseBreak(object forState)
{
InternalBreakFor(forState, OpCodes.Brfalse);
}
internal void InternalBreakFor(object userForState, OpCode branchInstruction)
{
foreach (object block in blockStack)
{
ForState forState = block as ForState;
if (forState != null && (object)forState == userForState)
{
if (!forState.RequiresEndLabel)
{
forState.EndLabel = DefineLabel();
forState.RequiresEndLabel = true;
}
ilGen.Emit(branchInstruction, forState.EndLabel);
break;
}
}
}
internal void ForEach(LocalBuilder local, Type elementType, Type enumeratorType,
LocalBuilder enumerator, MethodInfo getCurrentMethod)
{
ForState forState = new ForState(local, DefineLabel(), DefineLabel(), enumerator);
Br(forState.TestLabel);
MarkLabel(forState.BeginLabel);
Call(enumerator, getCurrentMethod);
ConvertValue(elementType, GetVariableType(local));
Stloc(local);
blockStack.Push(forState);
}
internal void EndForEach(MethodInfo moveNextMethod)
{
object stackTop = blockStack.Pop();
ForState forState = stackTop as ForState;
if (forState == null)
ThrowMismatchException(stackTop);
MarkLabel(forState.TestLabel);
object enumerator = forState.End;
Call(enumerator, moveNextMethod);
Brtrue(forState.BeginLabel);
if (forState.RequiresEndLabel)
MarkLabel(forState.EndLabel);
}
internal void IfNotDefaultValue(object value)
{
Type type = GetVariableType(value);
TypeCode typeCode = Type.GetTypeCode(type);
if ((typeCode == TypeCode.Object && type.IsValueType) ||
typeCode == TypeCode.DateTime || typeCode == TypeCode.Decimal)
{
LoadDefaultValue(type);
ConvertValue(type, Globals.TypeOfObject);
Load(value);
ConvertValue(type, Globals.TypeOfObject);
Call(ObjectEquals);
IfNot();
}
else
{
LoadDefaultValue(type);
Load(value);
If(Cmp.NotEqualTo);
}
}
#endif
internal void If() {
InternalIf(false);
}
internal void IfNot() {
InternalIf(true);
}
static OpCode[] BranchCodes = new OpCode[] {
OpCodes.Bge,
OpCodes.Bne_Un,
OpCodes.Bgt,
OpCodes.Ble,
OpCodes.Beq,
OpCodes.Blt,
};
OpCode GetBranchCode(Cmp cmp) {
return BranchCodes[(int)cmp];
}
#if NotUsed
Cmp GetCmpInverse(Cmp cmp)
{
switch (cmp) {
case Cmp.LessThan:
return Cmp.GreaterThanOrEqualTo;
case Cmp.EqualTo:
return Cmp.NotEqualTo;
case Cmp.LessThanOrEqualTo:
return Cmp.GreaterThan;
case Cmp.GreaterThan:
return Cmp.LessThanOrEqualTo;
case Cmp.NotEqualTo:
return Cmp.EqualTo;
default:
Debug.Assert(cmp == Cmp.GreaterThanOrEqualTo, "Unexpected cmp");
return Cmp.LessThan;
}
}
#endif
internal void If(Cmp cmpOp) {
IfState ifState = new IfState();
ifState.EndIf = DefineLabel();
ifState.ElseBegin = DefineLabel();
ilGen.Emit(GetBranchCode(cmpOp), ifState.ElseBegin);
blockStack.Push(ifState);
}
internal void If(object value1, Cmp cmpOp, object value2) {
Load(value1);
Load(value2);
If(cmpOp);
}
internal void Else() {
IfState ifState = PopIfState();
Br(ifState.EndIf);
MarkLabel(ifState.ElseBegin);
ifState.ElseBegin = ifState.EndIf;
blockStack.Push(ifState);
}
#if NotUsed
internal void ElseIf(object value1, Cmp cmpOp, object value2)
{
IfState ifState = (IfState)blockStack.Pop();
Br(ifState.EndIf);
MarkLabel(ifState.ElseBegin);
Load(value1);
Load(value2);
ifState.ElseBegin = DefineLabel();
ilGen.Emit(GetBranchCode(cmpOp), ifState.ElseBegin);
blockStack.Push(ifState);
}
#endif
internal void EndIf() {
IfState ifState = PopIfState();
if (!ifState.ElseBegin.Equals(ifState.EndIf))
MarkLabel(ifState.ElseBegin);
MarkLabel(ifState.EndIf);
}
Stack leaveLabels = new Stack();
internal void BeginExceptionBlock() {
leaveLabels.Push(DefineLabel());
ilGen.BeginExceptionBlock();
}
internal void BeginCatchBlock(Type exception) {
ilGen.BeginCatchBlock(exception);
}
internal void EndExceptionBlock() {
ilGen.EndExceptionBlock();
ilGen.MarkLabel((Label)leaveLabels.Pop());
}
internal void Leave() {
ilGen.Emit(OpCodes.Leave, (Label)leaveLabels.Peek());
}
#if NotUsed
internal void VerifyParameterCount(MethodInfo methodInfo, int expectedCount)
{
if (methodInfo.GetParameters().Length != expectedCount)
throw Utility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ParameterCountMismatch, methodInfo.Name, methodInfo.GetParameters().Length, expectedCount)));
}
internal void Call(object thisObj, MethodInfo methodInfo)
{
VerifyParameterCount(methodInfo, 0);
LoadThis(thisObj, methodInfo);
Call(methodInfo);
}
internal void Call(object thisObj, MethodInfo methodInfo, object param1)
{
VerifyParameterCount(methodInfo, 1);
LoadThis(thisObj, methodInfo);
LoadParam(param1, 1, methodInfo);
Call(methodInfo);
}
internal void Call(object thisObj, MethodInfo methodInfo, object param1, object param2)
{
VerifyParameterCount(methodInfo, 2);
LoadThis(thisObj, methodInfo);
LoadParam(param1, 1, methodInfo);
LoadParam(param2, 2, methodInfo);
Call(methodInfo);
}
internal void Call(object thisObj, MethodInfo methodInfo, object param1, object param2, object param3)
{
VerifyParameterCount(methodInfo, 3);
LoadThis(thisObj, methodInfo);
LoadParam(param1, 1, methodInfo);
LoadParam(param2, 2, methodInfo);
LoadParam(param3, 3, methodInfo);
Call(methodInfo);
}
internal void Call(object thisObj, MethodInfo methodInfo, object param1, object param2, object param3, object param4)
{
VerifyParameterCount(methodInfo, 4);
LoadThis(thisObj, methodInfo);
LoadParam(param1, 1, methodInfo);
LoadParam(param2, 2, methodInfo);
LoadParam(param3, 3, methodInfo);
LoadParam(param4, 4, methodInfo);
Call(methodInfo);
}
internal void Call(object thisObj, MethodInfo methodInfo, object param1, object param2, object param3, object param4, object param5)
{
VerifyParameterCount(methodInfo, 5);
LoadThis(thisObj, methodInfo);
LoadParam(param1, 1, methodInfo);
LoadParam(param2, 2, methodInfo);
LoadParam(param3, 3, methodInfo);
LoadParam(param4, 4, methodInfo);
LoadParam(param5, 5, methodInfo);
Call(methodInfo);
}
internal void Call(object thisObj, MethodInfo methodInfo, object param1, object param2, object param3, object param4, object param5, object param6)
{
VerifyParameterCount(methodInfo, 6);
LoadThis(thisObj, methodInfo);
LoadParam(param1, 1, methodInfo);
LoadParam(param2, 2, methodInfo);
LoadParam(param3, 3, methodInfo);
LoadParam(param4, 4, methodInfo);
LoadParam(param5, 5, methodInfo);
LoadParam(param6, 6, methodInfo);
Call(methodInfo);
}
#endif
internal void Call(MethodInfo methodInfo) {
Debug.Assert(methodInfo != null);
if (methodInfo.IsVirtual && !methodInfo.DeclaringType.IsValueType)
ilGen.Emit(OpCodes.Callvirt, methodInfo);
else
ilGen.Emit(OpCodes.Call, methodInfo);
}
internal void Call(ConstructorInfo ctor) {
Debug.Assert(ctor != null);
ilGen.Emit(OpCodes.Call, ctor);
}
internal void New(ConstructorInfo constructorInfo) {
Debug.Assert(constructorInfo != null);
ilGen.Emit(OpCodes.Newobj, constructorInfo);
}
#if NotUsed
internal void New(ConstructorInfo constructorInfo, object param1)
{
LoadParam(param1, 1, constructorInfo);
New(constructorInfo);
}
#endif
internal void InitObj(Type valueType) {
ilGen.Emit(OpCodes.Initobj, valueType);
}
internal void NewArray(Type elementType, object len) {
Load(len);
ilGen.Emit(OpCodes.Newarr, elementType);
}
#if NotUsed
internal void IgnoreReturnValue()
{
Pop();
}
#endif
internal void LoadArrayElement(object obj, object arrayIndex) {
Type objType = GetVariableType(obj).GetElementType();
Load(obj);
Load(arrayIndex);
if (IsStruct(objType)) {
Ldelema(objType);
Ldobj(objType);
}
else
Ldelem(objType);
}
internal void StoreArrayElement(object obj, object arrayIndex, object value) {
Type arrayType = GetVariableType(obj);
if (arrayType == typeof(Array)) {
Load(obj);
Call(typeof(Array).GetMethod("SetValue", new Type[] { typeof(object), typeof(int) }));
}
else {
Type objType = arrayType.GetElementType();
Load(obj);
Load(arrayIndex);
if (IsStruct(objType))
Ldelema(objType);
Load(value);
ConvertValue(GetVariableType(value), objType);
if (IsStruct(objType))
Stobj(objType);
else
Stelem(objType);
}
}
static bool IsStruct(Type objType) {
return objType.IsValueType && !objType.IsPrimitive;
}
internal Type LoadMember(object obj, MemberInfo memberInfo) {
if (GetVariableType(obj).IsValueType)
LoadAddress(obj);
else
Load(obj);
return LoadMember(memberInfo);
}
private static MethodInfo GetPropertyMethodFromBaseType(PropertyInfo propertyInfo, bool isGetter) {
// we only invoke this when the propertyInfo does not have a GET or SET method on it
Type currentType = propertyInfo.DeclaringType.BaseType;
PropertyInfo currentProperty;
string propertyName = propertyInfo.Name;
MethodInfo result = null;
while (currentType != null) {
currentProperty = currentType.GetProperty(propertyName);
if (currentProperty != null) {
if (isGetter) {
result = currentProperty.GetGetMethod(true);
}
else {
result = currentProperty.GetSetMethod(true);
}
if (result != null) {
// we found the GetMethod/SetMethod on the type closest to the current declaring type
break;
}
}
// keep looking at the base type like compiler does
currentType = currentType.BaseType;
}
return result;
}
internal Type LoadMember(MemberInfo memberInfo) {
Type memberType = null;
if (memberInfo.MemberType == MemberTypes.Field) {
FieldInfo fieldInfo = (FieldInfo)memberInfo;
memberType = fieldInfo.FieldType;
if (fieldInfo.IsStatic) {
ilGen.Emit(OpCodes.Ldsfld, fieldInfo);
}
else {
ilGen.Emit(OpCodes.Ldfld, fieldInfo);
}
}
else {
System.Diagnostics.Debug.Assert(memberInfo.MemberType == MemberTypes.Property);
PropertyInfo property = (PropertyInfo)memberInfo;
memberType = property.PropertyType;
if (property != null) {
MethodInfo getMethod = property.GetGetMethod(true);
if (getMethod == null)
{
getMethod = GetPropertyMethodFromBaseType(property, true);
}
System.Diagnostics.Debug.Assert(getMethod != null);
Call(getMethod);
}
}
return memberType;
}
internal Type LoadMemberAddress(MemberInfo memberInfo) {
Type memberType = null;
if (memberInfo.MemberType == MemberTypes.Field) {
FieldInfo fieldInfo = (FieldInfo)memberInfo;
memberType = fieldInfo.FieldType;
if (fieldInfo.IsStatic) {
ilGen.Emit(OpCodes.Ldsflda, fieldInfo);
}
else {
ilGen.Emit(OpCodes.Ldflda, fieldInfo);
}
}
else {
System.Diagnostics.Debug.Assert(memberInfo.MemberType == MemberTypes.Property);
PropertyInfo property = (PropertyInfo)memberInfo;
memberType = property.PropertyType;
if (property != null) {
MethodInfo getMethod = property.GetGetMethod(true);
if (getMethod == null)
{
getMethod = GetPropertyMethodFromBaseType(property, true);
}
System.Diagnostics.Debug.Assert(getMethod != null);
Call(getMethod);
LocalBuilder tmpLoc = GetTempLocal(memberType);
Stloc(tmpLoc);
Ldloca(tmpLoc);
}
}
return memberType;
}
internal void StoreMember(MemberInfo memberInfo) {
if (memberInfo.MemberType == MemberTypes.Field) {
FieldInfo fieldInfo = (FieldInfo)memberInfo;
if (fieldInfo.IsStatic) {
ilGen.Emit(OpCodes.Stsfld, fieldInfo);
}
else {
ilGen.Emit(OpCodes.Stfld, fieldInfo);
}
}
else {
System.Diagnostics.Debug.Assert(memberInfo.MemberType == MemberTypes.Property);
PropertyInfo property = (PropertyInfo)memberInfo;
if (property != null) {
MethodInfo setMethod = property.GetSetMethod(true);
if (setMethod == null)
{
setMethod = GetPropertyMethodFromBaseType(property, false);
}
System.Diagnostics.Debug.Assert(setMethod != null);
Call(setMethod);
}
}
}
#if NotUsed
internal void LoadDefaultValue(Type type)
{
if (type.IsValueType)
{
switch (Type.GetTypeCode(type))
{
case TypeCode.Boolean:
Ldc(false);
break;
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
Ldc(0);
break;
case TypeCode.Int64:
case TypeCode.UInt64:
Ldc(0L);
break;
case TypeCode.Single:
Ldc(0.0F);
break;
case TypeCode.Double:
Ldc(0.0);
break;
case TypeCode.Decimal:
case TypeCode.DateTime:
default:
LocalBuilder zero = DeclareLocal(type, "zero");
LoadAddress(zero);
InitObj(type);
Load(zero);
break;
}
}
else
Load(null);
}
#endif
internal void Load(object obj) {
if (obj == null)
ilGen.Emit(OpCodes.Ldnull);
else if (obj is ArgBuilder)
Ldarg((ArgBuilder)obj);
else if (obj is LocalBuilder)
Ldloc((LocalBuilder)obj);
else
Ldc(obj);
}
#if NotUsed
internal void Store(object var)
{
if (var is ArgBuilder)
Starg((ArgBuilder)var);
else
{
System.Diagnostics.Debug.Assert(var is LocalBuilder);
Stloc((LocalBuilder)var);
}
}
internal void Dec(object var)
{
Load(var);
Load(1);
Subtract();
Store(var);
}
internal void Inc(object var)
{
Load(var);
Load(1);
Add();
Store(var);
}
#endif
internal void LoadAddress(object obj) {
if (obj is ArgBuilder)
LdargAddress((ArgBuilder)obj);
else if (obj is LocalBuilder)
LdlocAddress((LocalBuilder)obj);
else
Load(obj);
}
internal void ConvertAddress(Type source, Type target) {
InternalConvert(source, target, true);
}
internal void ConvertValue(Type source, Type target) {
InternalConvert(source, target, false);
}
internal void Castclass(Type target) {
ilGen.Emit(OpCodes.Castclass, target);
}
internal void Box(Type type) {
ilGen.Emit(OpCodes.Box, type);
}
internal void Unbox(Type type) {
ilGen.Emit(OpCodes.Unbox, type);
}
static OpCode[] LdindOpCodes = new OpCode[] {
OpCodes.Nop,//Empty = 0,
OpCodes.Nop,//Object = 1,
OpCodes.Nop,//DBNull = 2,
OpCodes.Ldind_I1,//Boolean = 3,
OpCodes.Ldind_I2,//Char = 4,
OpCodes.Ldind_I1,//SByte = 5,
OpCodes.Ldind_U1,//Byte = 6,
OpCodes.Ldind_I2,//Int16 = 7,
OpCodes.Ldind_U2,//UInt16 = 8,
OpCodes.Ldind_I4,//Int32 = 9,
OpCodes.Ldind_U4,//UInt32 = 10,
OpCodes.Ldind_I8,//Int64 = 11,
OpCodes.Ldind_I8,//UInt64 = 12,
OpCodes.Ldind_R4,//Single = 13,
OpCodes.Ldind_R8,//Double = 14,
OpCodes.Nop,//Decimal = 15,
OpCodes.Nop,//DateTime = 16,
OpCodes.Nop,//17
OpCodes.Ldind_Ref,//String = 18,
};
OpCode GetLdindOpCode(TypeCode typeCode) {
return LdindOpCodes[(int)typeCode];
//switch (typeCode)
//{
//case TypeCode.Boolean:
// return OpCodes.Ldind_I1; // TypeCode.Boolean:
//case TypeCode.Char:
// return OpCodes.Ldind_I2; // TypeCode.Char:
//case TypeCode.SByte:
// return OpCodes.Ldind_I1; // TypeCode.SByte:
//case TypeCode.Byte:
// return OpCodes.Ldind_U1; // TypeCode.Byte:
//case TypeCode.Int16:
// return OpCodes.Ldind_I2; // TypeCode.Int16:
//case TypeCode.UInt16:
// return OpCodes.Ldind_U2; // TypeCode.UInt16:
//case TypeCode.Int32:
// return OpCodes.Ldind_I4; // TypeCode.Int32:
//case TypeCode.UInt32:
// return OpCodes.Ldind_U4; // TypeCode.UInt32:
//case TypeCode.Int64:
// return OpCodes.Ldind_I8; // TypeCode.Int64:
//case TypeCode.UInt64:
// return OpCodes.Ldind_I8; // TypeCode.UInt64:
//case TypeCode.Single:
// return OpCodes.Ldind_R4; // TypeCode.Single:
//case TypeCode.Double:
// return OpCodes.Ldind_R8; // TypeCode.Double:
//case TypeCode.String:
// return OpCodes.Ldind_Ref; // TypeCode.String:
//default:
// return OpCodes.Nop;
//}
//
}
internal void Ldobj(Type type) {
OpCode opCode = GetLdindOpCode(Type.GetTypeCode(type));
if (!opCode.Equals(OpCodes.Nop)) {
ilGen.Emit(opCode);
}
else {
ilGen.Emit(OpCodes.Ldobj, type);
}
}
internal void Stobj(Type type) {
ilGen.Emit(OpCodes.Stobj, type);
}
internal void Ceq() {
ilGen.Emit(OpCodes.Ceq);
}
internal void Clt() {
ilGen.Emit(OpCodes.Clt);
}
internal void Cne() {
Ceq();
Ldc(0);
Ceq();
}
#if NotUsed
internal void Bgt(Label label)
{
ilGen.Emit(OpCodes.Bgt, label);
}
#endif
internal void Ble(Label label) {
ilGen.Emit(OpCodes.Ble, label);
}
internal void Throw() {
ilGen.Emit(OpCodes.Throw);
}
internal void Ldtoken(Type t) {
ilGen.Emit(OpCodes.Ldtoken, t);
}
internal void Ldc(object o) {
Type valueType = o.GetType();
if (o is Type) {
Ldtoken((Type)o);
Call(typeof(Type).GetMethod("GetTypeFromHandle", BindingFlags.Static | BindingFlags.Public, null, new Type[] { typeof(RuntimeTypeHandle) }, null));
}
else if (valueType.IsEnum) {
Ldc(((IConvertible)o).ToType(Enum.GetUnderlyingType(valueType), null));
}
else {
switch (Type.GetTypeCode(valueType)) {
case TypeCode.Boolean:
Ldc((bool)o);
break;
case TypeCode.Char:
Debug.Assert(false, "Char is not a valid schema primitive and should be treated as int in DataContract");
throw new NotSupportedException("Char is not a valid schema primitive and should be treated as int in DataContract");
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
Ldc(((IConvertible)o).ToInt32(CultureInfo.InvariantCulture));
break;
case TypeCode.Int32:
Ldc((int)o);
break;
case TypeCode.UInt32:
Ldc((int)(uint)o);
break;
case TypeCode.UInt64:
Ldc((long)(ulong)o);
break;
case TypeCode.Int64:
Ldc((long)o);
break;
case TypeCode.Single:
Ldc((float)o);
break;
case TypeCode.Double:
Ldc((double)o);
break;
case TypeCode.String:
Ldstr((string)o);
break;
case TypeCode.Decimal:
ConstructorInfo Decimal_ctor = typeof(Decimal).GetConstructor(
CodeGenerator.InstanceBindingFlags,
null,
new Type[] { typeof(Int32), typeof(Int32), typeof(Int32), typeof(Boolean), typeof(Byte) },
null
);
int[] bits = Decimal.GetBits((decimal)o);
Ldc(bits[0]); // digit
Ldc(bits[1]); // digit
Ldc(bits[2]); // digit
Ldc((bits[3] & 0x80000000) == 0x80000000); // sign
Ldc((Byte)((bits[3] >> 16) & 0xFF)); // decimal location
New(Decimal_ctor);
break;
case TypeCode.DateTime:
ConstructorInfo DateTime_ctor = typeof(DateTime).GetConstructor(
CodeGenerator.InstanceBindingFlags,
null,
new Type[] { typeof(Int64) },
null
);
Ldc(((DateTime)o).Ticks); // ticks
New(DateTime_ctor);
break;
case TypeCode.Object:
case TypeCode.Empty:
case TypeCode.DBNull:
default:
if (valueType == typeof(TimeSpan) && LocalAppContextSwitches.EnableTimeSpanSerialization)
{
ConstructorInfo TimeSpan_ctor = typeof(TimeSpan).GetConstructor(
CodeGenerator.InstanceBindingFlags,
null,
new Type[] { typeof(Int64) },
null
);
Ldc(((TimeSpan)o).Ticks); // ticks
New(TimeSpan_ctor);
break;
}
else
{
Debug.Assert(false, "UnknownConstantType");
throw new NotSupportedException("UnknownConstantType"); //.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.UnknownConstantType, DataContract.GetClrTypeFullName(valueType))));
}
}
}
}
internal void Ldc(bool boolVar) {
if (boolVar) {
ilGen.Emit(OpCodes.Ldc_I4_1);
}
else {
ilGen.Emit(OpCodes.Ldc_I4_0);
}
}
internal void Ldc(int intVar) {
switch (intVar) {
case -1:
ilGen.Emit(OpCodes.Ldc_I4_M1);
break;
case 0:
ilGen.Emit(OpCodes.Ldc_I4_0);
break;
case 1:
ilGen.Emit(OpCodes.Ldc_I4_1);
break;
case 2:
ilGen.Emit(OpCodes.Ldc_I4_2);
break;
case 3:
ilGen.Emit(OpCodes.Ldc_I4_3);
break;
case 4:
ilGen.Emit(OpCodes.Ldc_I4_4);
break;
case 5:
ilGen.Emit(OpCodes.Ldc_I4_5);
break;
case 6:
ilGen.Emit(OpCodes.Ldc_I4_6);
break;
case 7:
ilGen.Emit(OpCodes.Ldc_I4_7);
break;
case 8:
ilGen.Emit(OpCodes.Ldc_I4_8);
break;
default:
ilGen.Emit(OpCodes.Ldc_I4, intVar);
break;
}
}
internal void Ldc(long l) {
ilGen.Emit(OpCodes.Ldc_I8, l);
}
internal void Ldc(float f) {
ilGen.Emit(OpCodes.Ldc_R4, f);
}
internal void Ldc(double d) {
ilGen.Emit(OpCodes.Ldc_R8, d);
}
internal void Ldstr(string strVar) {
if (strVar == null)
ilGen.Emit(OpCodes.Ldnull);
else
ilGen.Emit(OpCodes.Ldstr, strVar);
}
internal void LdlocAddress(LocalBuilder localBuilder) {
if (localBuilder.LocalType.IsValueType)
Ldloca(localBuilder);
else
Ldloc(localBuilder);
}
internal void Ldloc(LocalBuilder localBuilder) {
ilGen.Emit(OpCodes.Ldloc, localBuilder);
}
internal void Ldloc(string name) {
Debug.Assert(currentScope.ContainsKey(name));
LocalBuilder local = currentScope[name];
Ldloc(local);
}
internal void Stloc(Type type, string name) {
LocalBuilder local = null;
if (!currentScope.TryGetValue(name, out local)) {
local = DeclareLocal(type, name);
}
Debug.Assert(local.LocalType == type);
Stloc(local);
}
internal void Stloc(LocalBuilder local) {
ilGen.Emit(OpCodes.Stloc, local);
}
internal void Ldloc(Type type, string name) {
Debug.Assert(currentScope.ContainsKey(name));
LocalBuilder local = currentScope[name];
Debug.Assert(local.LocalType == type);
Ldloc(local);
}
#if NotUsed
internal void Ldloc(int slot)
{
switch (slot)
{
case 0:
ilGen.Emit(OpCodes.Ldloc_0);
break;
case 1:
ilGen.Emit(OpCodes.Ldloc_1);
break;
case 2:
ilGen.Emit(OpCodes.Ldloc_2);
break;
case 3:
ilGen.Emit(OpCodes.Ldloc_3);
break;
default:
if (slot <= 255)
ilGen.Emit(OpCodes.Ldloc_S, slot);
else
ilGen.Emit(OpCodes.Ldloc, slot);
break;
}
}
internal void Stloc(int slot)
{
switch (slot)
{
case 0:
ilGen.Emit(OpCodes.Stloc_0);
break;
case 1:
ilGen.Emit(OpCodes.Stloc_1);
break;
case 2:
ilGen.Emit(OpCodes.Stloc_2);
break;
case 3:
ilGen.Emit(OpCodes.Stloc_3);
break;
default:
if (slot <= 255)
ilGen.Emit(OpCodes.Stloc_S, slot);
else
ilGen.Emit(OpCodes.Stloc, slot);
break;
}
}
internal void Ldloca(int slot)
{
if (slot <= 255)
ilGen.Emit(OpCodes.Ldloca_S, slot);
else
ilGen.Emit(OpCodes.Ldloca, slot);
}
#endif
internal void Ldloca(LocalBuilder localBuilder) {
ilGen.Emit(OpCodes.Ldloca, localBuilder);
}
internal void LdargAddress(ArgBuilder argBuilder) {
if (argBuilder.ArgType.IsValueType)
Ldarga(argBuilder);
else
Ldarg(argBuilder);
}
internal void Ldarg(string arg) {
Ldarg(GetArg(arg));
}
internal void Ldarg(ArgBuilder arg) {
Ldarg(arg.Index);
}
internal void Ldarg(int slot) {
switch (slot) {
case 0:
ilGen.Emit(OpCodes.Ldarg_0);
break;
case 1:
ilGen.Emit(OpCodes.Ldarg_1);
break;
case 2:
ilGen.Emit(OpCodes.Ldarg_2);
break;
case 3:
ilGen.Emit(OpCodes.Ldarg_3);
break;
default:
if (slot <= 255)
ilGen.Emit(OpCodes.Ldarg_S, slot);
else
ilGen.Emit(OpCodes.Ldarg, slot);
break;
}
}
#if NotUsed
internal void Starg(ArgBuilder arg)
{
Starg(arg.Index);
}
internal void Starg(int slot)
{
if (slot <= 255)
ilGen.Emit(OpCodes.Starg_S, slot);
else
ilGen.Emit(OpCodes.Starg, slot);
}
#endif
internal void Ldarga(ArgBuilder argBuilder) {
Ldarga(argBuilder.Index);
}
internal void Ldarga(int slot) {
if (slot <= 255)
ilGen.Emit(OpCodes.Ldarga_S, slot);
else
ilGen.Emit(OpCodes.Ldarga, slot);
}
internal void Ldlen() {
ilGen.Emit(OpCodes.Ldlen);
ilGen.Emit(OpCodes.Conv_I4);
}
static OpCode[] LdelemOpCodes = new OpCode[] {
OpCodes.Nop,//Empty = 0,
OpCodes.Ldelem_Ref,//Object = 1,
OpCodes.Ldelem_Ref,//DBNull = 2,
OpCodes.Ldelem_I1,//Boolean = 3,
OpCodes.Ldelem_I2,//Char = 4,
OpCodes.Ldelem_I1,//SByte = 5,
OpCodes.Ldelem_U1,//Byte = 6,
OpCodes.Ldelem_I2,//Int16 = 7,
OpCodes.Ldelem_U2,//UInt16 = 8,
OpCodes.Ldelem_I4,//Int32 = 9,
OpCodes.Ldelem_U4,//UInt32 = 10,
OpCodes.Ldelem_I8,//Int64 = 11,
OpCodes.Ldelem_I8,//UInt64 = 12,
OpCodes.Ldelem_R4,//Single = 13,
OpCodes.Ldelem_R8,//Double = 14,
OpCodes.Nop,//Decimal = 15,
OpCodes.Nop,//DateTime = 16,
OpCodes.Nop,//17
OpCodes.Ldelem_Ref,//String = 18,
};
OpCode GetLdelemOpCode(TypeCode typeCode) {
return LdelemOpCodes[(int)typeCode];
//switch (typeCode)
//{
//case TypeCode.Object:
//case TypeCode.DBNull:
// return OpCodes.Ldelem_Ref;// TypeCode.Object:
//case TypeCode.Boolean:
// return OpCodes.Ldelem_I1;// TypeCode.Boolean:
//case TypeCode.Char:
// return OpCodes.Ldelem_I2;// TypeCode.Char:
//case TypeCode.SByte:
// return OpCodes.Ldelem_I1;// TypeCode.SByte:
//case TypeCode.Byte:
// return OpCodes.Ldelem_U1;// TypeCode.Byte:
//case TypeCode.Int16:
// return OpCodes.Ldelem_I2;// TypeCode.Int16:
//case TypeCode.UInt16:
// return OpCodes.Ldelem_U2;// TypeCode.UInt16:
//case TypeCode.Int32:
// return OpCodes.Ldelem_I4;// TypeCode.Int32:
//case TypeCode.UInt32:
// return OpCodes.Ldelem_U4;// TypeCode.UInt32:
//case TypeCode.Int64:
// return OpCodes.Ldelem_I8;// TypeCode.Int64:
//case TypeCode.UInt64:
// return OpCodes.Ldelem_I8;// TypeCode.UInt64:
//case TypeCode.Single:
// return OpCodes.Ldelem_R4;// TypeCode.Single:
//case TypeCode.Double:
// return OpCodes.Ldelem_R8;// TypeCode.Double:
//case TypeCode.String:
// return OpCodes.Ldelem_Ref;// TypeCode.String:
//default:
// return OpCodes.Nop;
//}
}
internal void Ldelem(Type arrayElementType) {
if (arrayElementType.IsEnum) {
Ldelem(Enum.GetUnderlyingType(arrayElementType));
}
else {
OpCode opCode = GetLdelemOpCode(Type.GetTypeCode(arrayElementType));
Debug.Assert(!opCode.Equals(OpCodes.Nop));
if (opCode.Equals(OpCodes.Nop))
throw new InvalidOperationException("ArrayTypeIsNotSupported"); //.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ArrayTypeIsNotSupported, DataContract.GetClrTypeFullName(arrayElementType))));
ilGen.Emit(opCode);
}
}
internal void Ldelema(Type arrayElementType) {
OpCode opCode = OpCodes.Ldelema;
ilGen.Emit(opCode, arrayElementType);
}
static OpCode[] StelemOpCodes = new OpCode[] {
OpCodes.Nop,//Empty = 0,
OpCodes.Stelem_Ref,//Object = 1,
OpCodes.Stelem_Ref,//DBNull = 2,
OpCodes.Stelem_I1,//Boolean = 3,
OpCodes.Stelem_I2,//Char = 4,
OpCodes.Stelem_I1,//SByte = 5,
OpCodes.Stelem_I1,//Byte = 6,
OpCodes.Stelem_I2,//Int16 = 7,
OpCodes.Stelem_I2,//UInt16 = 8,
OpCodes.Stelem_I4,//Int32 = 9,
OpCodes.Stelem_I4,//UInt32 = 10,
OpCodes.Stelem_I8,//Int64 = 11,
OpCodes.Stelem_I8,//UInt64 = 12,
OpCodes.Stelem_R4,//Single = 13,
OpCodes.Stelem_R8,//Double = 14,
OpCodes.Nop,//Decimal = 15,
OpCodes.Nop,//DateTime = 16,
OpCodes.Nop,//17
OpCodes.Stelem_Ref,//String = 18,
};
OpCode GetStelemOpCode(TypeCode typeCode) {
return StelemOpCodes[(int)typeCode];
//switch (typeCode)
//{
//case TypeCode.Object:
//case TypeCode.DBNull:
// return OpCodes.Stelem_Ref;// TypeCode.Object:
//case TypeCode.Boolean:
// return OpCodes.Stelem_I1;// TypeCode.Boolean:
//case TypeCode.Char:
// return OpCodes.Stelem_I2;// TypeCode.Char:
//case TypeCode.SByte:
// return OpCodes.Stelem_I1;// TypeCode.SByte:
//case TypeCode.Byte:
// return OpCodes.Stelem_I1;// TypeCode.Byte:
//case TypeCode.Int16:
// return OpCodes.Stelem_I2;// TypeCode.Int16:
//case TypeCode.UInt16:
// return OpCodes.Stelem_I2;// TypeCode.UInt16:
//case TypeCode.Int32:
// return OpCodes.Stelem_I4;// TypeCode.Int32:
//case TypeCode.UInt32:
// return OpCodes.Stelem_I4;// TypeCode.UInt32:
//case TypeCode.Int64:
// return OpCodes.Stelem_I8;// TypeCode.Int64:
//case TypeCode.UInt64:
// return OpCodes.Stelem_I8;// TypeCode.UInt64:
//case TypeCode.Single:
// return OpCodes.Stelem_R4;// TypeCode.Single:
//case TypeCode.Double:
// return OpCodes.Stelem_R8;// TypeCode.Double:
//case TypeCode.String:
// return OpCodes.Stelem_Ref;// TypeCode.String:
//default:
// return OpCodes.Nop;
//}
}
internal void Stelem(Type arrayElementType) {
if (arrayElementType.IsEnum)
Stelem(Enum.GetUnderlyingType(arrayElementType));
else {
OpCode opCode = GetStelemOpCode(Type.GetTypeCode(arrayElementType));
if (opCode.Equals(OpCodes.Nop))
throw new InvalidOperationException("ArrayTypeIsNotSupported"); //.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ArrayTypeIsNotSupported, DataContract.GetClrTypeFullName(arrayElementType))));
ilGen.Emit(opCode);
}
}
internal Label DefineLabel() {
return ilGen.DefineLabel();
}
internal void MarkLabel(Label label) {
ilGen.MarkLabel(label);
}
internal void Nop() {
ilGen.Emit(OpCodes.Nop);
}
internal void Add() {
ilGen.Emit(OpCodes.Add);
}
#if NotUsed
internal void Subtract()
{
ilGen.Emit(OpCodes.Sub);
}
internal void And()
{
ilGen.Emit(OpCodes.And);
}
internal void Or()
{
ilGen.Emit(OpCodes.Or);
}
internal void Not()
{
ilGen.Emit(OpCodes.Not);
}
#endif
internal void Ret() {
ilGen.Emit(OpCodes.Ret);
}
internal void Br(Label label) {
ilGen.Emit(OpCodes.Br, label);
}
internal void Br_S(Label label) {
ilGen.Emit(OpCodes.Br_S, label);
}
internal void Blt(Label label) {
ilGen.Emit(OpCodes.Blt, label);
}
internal void Brfalse(Label label) {
ilGen.Emit(OpCodes.Brfalse, label);
}
internal void Brtrue(Label label) {
ilGen.Emit(OpCodes.Brtrue, label);
}
internal void Pop() {
ilGen.Emit(OpCodes.Pop);
}
internal void Dup() {
ilGen.Emit(OpCodes.Dup);
}
#if !SILVERLIGHT // Not in SL
internal void Ldftn(MethodInfo methodInfo) {
ilGen.Emit(OpCodes.Ldftn, methodInfo);
}
#endif
#if NotUsed
void LoadThis(object thisObj, MethodInfo methodInfo)
{
if (thisObj != null && !methodInfo.IsStatic)
{
LoadAddress(thisObj);
ConvertAddress(GetVariableType(thisObj), methodInfo.DeclaringType);
}
}
void LoadParam(object arg, int oneBasedArgIndex, MethodBase methodInfo)
{
Load(arg);
if (arg != null)
ConvertValue(GetVariableType(arg), methodInfo.GetParameters()[oneBasedArgIndex - 1].ParameterType);
}
#endif
void InternalIf(bool negate) {
IfState ifState = new IfState();
ifState.EndIf = DefineLabel();
ifState.ElseBegin = DefineLabel();
if (negate)
Brtrue(ifState.ElseBegin);
else
Brfalse(ifState.ElseBegin);
blockStack.Push(ifState);
}
static OpCode[] ConvOpCodes = new OpCode[] {
OpCodes.Nop,//Empty = 0,
OpCodes.Nop,//Object = 1,
OpCodes.Nop,//DBNull = 2,
OpCodes.Conv_I1,//Boolean = 3,
OpCodes.Conv_I2,//Char = 4,
OpCodes.Conv_I1,//SByte = 5,
OpCodes.Conv_U1,//Byte = 6,
OpCodes.Conv_I2,//Int16 = 7,
OpCodes.Conv_U2,//UInt16 = 8,
OpCodes.Conv_I4,//Int32 = 9,
OpCodes.Conv_U4,//UInt32 = 10,
OpCodes.Conv_I8,//Int64 = 11,
OpCodes.Conv_U8,//UInt64 = 12,
OpCodes.Conv_R4,//Single = 13,
OpCodes.Conv_R8,//Double = 14,
OpCodes.Nop,//Decimal = 15,
OpCodes.Nop,//DateTime = 16,
OpCodes.Nop,//17
OpCodes.Nop,//String = 18,
};
OpCode GetConvOpCode(TypeCode typeCode) {
return ConvOpCodes[(int)typeCode];
//switch (typeCode)
//{
//case TypeCode.Boolean:
// return OpCodes.Conv_I1;// TypeCode.Boolean:
//case TypeCode.Char:
// return OpCodes.Conv_I2;// TypeCode.Char:
//case TypeCode.SByte:
// return OpCodes.Conv_I1;// TypeCode.SByte:
//case TypeCode.Byte:
// return OpCodes.Conv_U1;// TypeCode.Byte:
//case TypeCode.Int16:
// return OpCodes.Conv_I2;// TypeCode.Int16:
//case TypeCode.UInt16:
// return OpCodes.Conv_U2;// TypeCode.UInt16:
//case TypeCode.Int32:
// return OpCodes.Conv_I4;// TypeCode.Int32:
//case TypeCode.UInt32:
// return OpCodes.Conv_U4;// TypeCode.UInt32:
//case TypeCode.Int64:
// return OpCodes.Conv_I8;// TypeCode.Int64:
//case TypeCode.UInt64:
// return OpCodes.Conv_U8;// TypeCode.UInt64:
//case TypeCode.Single:
// return OpCodes.Conv_R4;// TypeCode.Single:
//case TypeCode.Double:
// return OpCodes.Conv_R8;// TypeCode.Double:
//default:
// return OpCodes.Nop;
//}
}
void InternalConvert(Type source, Type target, bool isAddress) {
if (target == source)
return;
if (target.IsValueType) {
if (source.IsValueType) {
OpCode opCode = GetConvOpCode(Type.GetTypeCode(target));
if (opCode.Equals(OpCodes.Nop)) {
//.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.NoConversionPossibleTo, DataContract.GetClrTypeFullName(target))));
throw new CodeGeneratorConversionException(source, target, isAddress,"NoConversionPossibleTo");
}
else {
ilGen.Emit(opCode);
}
}
else if (source.IsAssignableFrom(target)) {
Unbox(target);
if (!isAddress)
Ldobj(target);
}
else {
//.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.IsNotAssignableFrom, DataContract.GetClrTypeFullName(target), DataContract.GetClrTypeFullName(source))));
throw new CodeGeneratorConversionException(source, target, isAddress, "IsNotAssignableFrom");
}
}
else if (target.IsAssignableFrom(source)) {
if (source.IsValueType) {
if (isAddress)
Ldobj(source);
Box(source);
}
}
else if (source.IsAssignableFrom(target)) {
//assert(source.IsValueType == false);
Castclass(target);
}
else if (target.IsInterface || source.IsInterface) {
Castclass(target);
}
else {
//.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.IsNotAssignableFrom, DataContract.GetClrTypeFullName(target), DataContract.GetClrTypeFullName(source))));
throw new CodeGeneratorConversionException(source, target, isAddress, "IsNotAssignableFrom");
}
}
IfState PopIfState() {
object stackTop = blockStack.Pop();
IfState ifState = stackTop as IfState;
Debug.Assert(ifState != null);
return ifState;
}
static internal AssemblyBuilder CreateAssemblyBuilder(AppDomain appDomain, string name) {
AssemblyName assemblyName = new AssemblyName();
assemblyName.Name = name;
assemblyName.Version = new Version(1, 0, 0, 0);
if (DiagnosticsSwitches.KeepTempFiles.Enabled)
return appDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.RunAndSave, TempFilesLocation);
else
return appDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);
}
static string tempFilesLocation = null;
internal static string TempFilesLocation {
get {
if (tempFilesLocation == null) {
// Return different XmlSerializerSection from legacy assembly due to its register config handlers
object section = ConfigurationManager.GetSection(ConfigurationStrings.XmlSerializerSectionPath);
string location = null;
if (section != null) {
XmlSerializerSection configSection = section as XmlSerializerSection;
if (configSection != null) {
location = configSection.TempFilesLocation;
}
}
if (location != null) {
tempFilesLocation = location.Trim();
}
else {
tempFilesLocation = Path.GetTempPath();
}
}
return tempFilesLocation;
}
set {
tempFilesLocation = value;
}
}
static internal ModuleBuilder CreateModuleBuilder(AssemblyBuilder assemblyBuilder, string name) {
if (DiagnosticsSwitches.KeepTempFiles.Enabled)
return assemblyBuilder.DefineDynamicModule(name, name + ".dll", true);
else
return assemblyBuilder.DefineDynamicModule(name);
}
static internal TypeBuilder CreateTypeBuilder(ModuleBuilder moduleBuilder, string name, TypeAttributes attributes, Type parent, Type[] interfaces) {
// parent is nullable if no base class
return moduleBuilder.DefineType(TempAssembly.GeneratedAssemblyNamespace + "." + name,
attributes, parent, interfaces);
}
#if NotUsed
internal void EmitSourceInstruction(string line)
{
EmitSourceLine(" " + line);
}
internal void EmitSourceLabel(string line)
{
EmitSourceLine(line);
}
internal void EmitSourceComment(string comment)
{
EmitSourceInstruction("// " + comment);
}
internal void EmitSourceLine(string line)
{
if (codeGenTrace != CodeGenTrace.None)
Console.WriteLine(String.Format("{0:X4}: {1}", lineNo++, line));
SerializationTrace.WriteInstruction(lineNo++, line);
if (ilGen != null && codeGenTrace == CodeGenTrace.Tron)
{
ilGen.Emit(OpCodes.Ldstr, string.Format(CultureInfo.InvariantCulture, "{0:00000}: {1}", lineNo-1, line));
ilGen.Emit(OpCodes.Call, XmlFormatGeneratorStatics.TraceInstructionMethod);
}
}
internal void EmitStackTop(Type stackTopType)
{
if (codeGenTrace != CodeGenTrace.Tron)
return;
codeGenTrace = CodeGenTrace.None;
Dup();
ToString(stackTopType);
LocalBuilder topValue = DeclareLocal(Globals.TypeOfString, "topValue");
Store(topValue);
Load("//value = ");
Load(topValue);
Concat2();
Call(XmlFormatGeneratorStatics.TraceInstructionMethod);
codeGenTrace = CodeGenTrace.Tron;
}
internal void ToString(Type type)
{
if (type.IsValueType)
{
Box(type);
Call(ObjectToString);
}
else
{
Dup();
Load(null);
If(Cmp.EqualTo);
Pop();
Load("<null>");
Else();
if (type.IsArray)
{
LocalBuilder arrayVar = DeclareLocal(type, "arrayVar");
Store(arrayVar);
Load("{ ");
LocalBuilder arrayValueString = DeclareLocal(typeof(string), "arrayValueString");
Store(arrayValueString);
LocalBuilder i = DeclareLocal(typeof(int), "i");
For(i, 0, arrayVar);
Load(arrayValueString);
LoadArrayElement(arrayVar, i);
ToString(arrayVar.LocalType.GetElementType());
Load(", ");
Concat3();
Store(arrayValueString);
EndFor();
Load(arrayValueString);
Load("}");
Concat2();
}
else
Call(ObjectToString);
EndIf();
}
}
internal void Concat2()
{
Call(StringConcat2);
}
internal void Concat3()
{
Call(StringConcat3);
}
internal Label[] Switch(int labelCount)
{
SwitchState switchState = new SwitchState(DefineLabel(), DefineLabel());
Label[] caseLabels = new Label[labelCount];
for (int i = 0; i < caseLabels.Length; i++)
caseLabels[i] = DefineLabel();
if (codeGenTrace != CodeGenTrace.None)
{
EmitSourceInstruction("switch (");
foreach (Label l in caseLabels)
EmitSourceInstruction(" " + l.GetHashCode());
EmitSourceInstruction(") {");
}
ilGen.Emit(OpCodes.Switch, caseLabels);
Br(switchState.DefaultLabel);
blockStack.Push(switchState);
return caseLabels;
}
internal void Case(Label caseLabel1, string caseLabelName)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("case " + caseLabelName + "{");
MarkLabel(caseLabel1);
}
internal void EndCase()
{
object stackTop = blockStack.Peek();
SwitchState switchState = stackTop as SwitchState;
if (switchState == null)
ThrowMismatchException(stackTop);
Br(switchState.EndOfSwitchLabel);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("} //end case ");
}
internal void DefaultCase()
{
object stackTop = blockStack.Peek();
SwitchState switchState = stackTop as SwitchState;
if (switchState == null)
ThrowMismatchException(stackTop);
MarkLabel(switchState.DefaultLabel);
switchState.DefaultDefined = true;
}
internal void EndSwitch()
{
object stackTop = blockStack.Pop();
SwitchState switchState = stackTop as SwitchState;
if (switchState == null)
ThrowMismatchException(stackTop);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("} //end switch");
if (!switchState.DefaultDefined)
MarkLabel(switchState.DefaultLabel);
MarkLabel(switchState.EndOfSwitchLabel);
}
internal void CallStringFormat(string msg, params object[] values)
{
NewArray(typeof(object), values.Length);
if (stringFormatArray == null)
stringFormatArray = DeclareLocal(typeof(object[]), "stringFormatArray");
Stloc(stringFormatArray);
for (int i = 0; i < values.Length; i++)
StoreArrayElement(stringFormatArray, i, values[i]);
Load(msg);
Load(stringFormatArray);
Call(StringFormat);
}
static MethodInfo stringEquals = typeof(string).GetMethod("Equals", new Type[]{ typeof(string), typeof(string)});
static MethodInfo stringCompare = typeof(string).GetMethod("Compare", new Type[]{ typeof(string), typeof(string)});
static ConstructorInfo permissionSetCtor = typeof(PermissionSet).GetConstructor(new Type[]{ typeof(PermissionState)});
static MethodInfo permissionSetDemand = typeof(PermissionSet).GetMethod("Demand", new Type[0]);
#endif
int initElseIfStack = -1;
IfState elseIfState;
internal void InitElseIf() {
Debug.Assert(initElseIfStack == -1);
elseIfState = (IfState)blockStack.Pop();
initElseIfStack = blockStack.Count;
Br(elseIfState.EndIf);
MarkLabel(elseIfState.ElseBegin);
}
int initIfStack = -1;
internal void InitIf() {
Debug.Assert(initIfStack == -1);
initIfStack = blockStack.Count;
}
internal void AndIf(Cmp cmpOp) {
if (initIfStack == blockStack.Count) {
initIfStack = -1;
If(cmpOp);
return;
}
if (initElseIfStack == blockStack.Count) {
initElseIfStack = -1;
elseIfState.ElseBegin = DefineLabel();
ilGen.Emit(GetBranchCode(cmpOp), elseIfState.ElseBegin);
blockStack.Push(elseIfState);
return;
}
Debug.Assert(initIfStack == -1 && initElseIfStack == -1);
IfState ifState = (IfState)blockStack.Peek();
ilGen.Emit(GetBranchCode(cmpOp), ifState.ElseBegin);
}
internal void AndIf() {
if (initIfStack == blockStack.Count) {
initIfStack = -1;
If();
return;
}
if (initElseIfStack == blockStack.Count) {
initElseIfStack = -1;
elseIfState.ElseBegin = DefineLabel();
Brfalse(elseIfState.ElseBegin);
blockStack.Push(elseIfState);
return;
}
Debug.Assert(initIfStack == -1 && initElseIfStack == -1);
IfState ifState = (IfState)blockStack.Peek();
Brfalse(ifState.ElseBegin);
}
#if NotUsed
internal void ElseIf(object boolVal)
{
InternalElseIf(boolVal, false);
}
void InternalElseIf(object boolVal, bool negate)
{
IfState ifState = (IfState)blockStack.Pop();
Br(ifState.EndIf);
MarkLabel(ifState.ElseBegin);
Load(boolVal);
ifState.ElseBegin = DefineLabel();
if (negate)
Brtrue(ifState.ElseBegin);
else
Brfalse(ifState.ElseBegin);
blockStack.Push(ifState);
}
internal void IfString(object s1, Cmp cmpOp, object s2)
{
Load(s1);
Load(s2);
Call(stringCompare);
Load(0);
If(cmpOp);
}
internal void ElseIfString(object s1, Cmp cmpOp, object s2)
{
IfState ifState = (IfState)blockStack.Pop();
Br(ifState.EndIf);
MarkLabel(ifState.ElseBegin);
Load(s1);
Load(s2);
Call(stringCompare);
Load(0);
ifState.ElseBegin = DefineLabel();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Branch if " + CmpInverse[(int) cmpOp].ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString(NumberFormatInfo.InvariantInfo));
ilGen.Emit(BranchCode[(int)cmpOp], ifState.ElseBegin);
blockStack.Push(ifState);
}
internal void While(object value1, Cmp cmpOp, object value2)
{
IfState ifState = new IfState();
ifState.EndIf = DefineLabel();
ifState.ElseBegin = DefineLabel();
ilGen.MarkLabel(ifState.ElseBegin);
Load(value1);
Load(value2);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Branch if " + CmpInverse[(int) cmpOp].ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString());
ilGen.Emit(BranchCode[(int)cmpOp], ifState.EndIf);
blockStack.Push(ifState);
}
internal void EndWhile()
{
IfState ifState = PopIfState();
Br(ifState.ElseBegin);
MarkLabel(ifState.EndIf);
}
internal void ElseIfNot(object boolVal)
{
InternalElseIf(boolVal, true);
}
internal void Ldc(long l)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldc.i8 " + l);
ilGen.Emit(OpCodes.Ldc_I8, l);
}
internal void Ldc(float f)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldc.r4 " + f);
ilGen.Emit(OpCodes.Ldc_R4, f);
}
internal void Ldc(double d)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldc.r8 " + d);
ilGen.Emit(OpCodes.Ldc_R8, d);
}
#endif
internal void IsInst(Type type) {
ilGen.Emit(OpCodes.Isinst, type);
}
#if NotUsed
internal void Clt()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Clt");
ilGen.Emit(OpCodes.Clt);
}
internal void StringEquals()
{
Call(stringEquals);
}
internal void StringEquals(object s1, object s2)
{
Load(s1);
ConvertValue(GetVariableType(s1), typeof(string));
Load(s2);
ConvertValue(GetVariableType(s2), typeof(string));
StringEquals();
}
internal void Bge(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Bge " + label.GetHashCode());
ilGen.Emit(OpCodes.Bge, label);
}
#endif
internal void Beq(Label label) {
ilGen.Emit(OpCodes.Beq, label);
}
internal void Bne(Label label) {
ilGen.Emit(OpCodes.Bne_Un, label);
}
#if NotUsed
internal void ResizeArray(object arrayVar, object sizeVar)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("ResizeArray() {");
Label doResize = DefineLabel();
Load(arrayVar);
Load(null);
Beq(doResize);
Ldlen(arrayVar);
Load(sizeVar);
If(Cmp.NotEqualTo);
MarkLabel(doResize);
Type arrayType = GetVariableType(arrayVar);
Type elementType = arrayType.GetElementType();
LocalBuilder tempArray = DeclareLocal(arrayType, "tempArray");
NewArray(elementType, sizeVar);
Store(tempArray);
CopyArray(arrayVar, tempArray, sizeVar);
Load(tempArray);
Store(arrayVar);
EndIf();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("} // ResizeArray");
}
LocalBuilder resizeLen, resizeCounter;
internal void EnsureArrayCapacity(object arrayVar, object lastElementVar)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("EnsureArrayCapacity() {");
Type arrayType = GetVariableType(arrayVar);
Type elementType = arrayType.GetElementType();
If(arrayVar, Cmp.EqualTo, null);
NewArray(elementType, 4);
Store(arrayVar);
Else();
Load(lastElementVar);
Ldlen(arrayVar);
If(Cmp.GreaterThanOrEqualTo);
LocalBuilder tempArray = DeclareLocal(arrayType, "tempArray");
if (resizeLen == null)
resizeLen = DeclareLocal(typeof(int), "resizeLen");
Load(lastElementVar);
Load(2);
Mul();
Store(resizeLen);
NewArray(elementType, resizeLen);
Store(tempArray);
CopyArray(arrayVar, tempArray, arrayVar);
Load(tempArray);
Store(arrayVar);
EndIf();
EndIf();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("} // EnsureArrayCapacity");
}
internal void CopyArray(object sourceArray, object destArray, object length)
{
If(sourceArray, Cmp.NotEqualTo, null);
if (resizeCounter == null)
resizeCounter = DeclareLocal(typeof(int), "resizeCounter");
For(resizeCounter, 0, length);
Load(destArray);
Load(resizeCounter);
LoadArrayElement(sourceArray, resizeCounter);
Stelem(GetVariableType(destArray).GetElementType());
EndFor();
EndIf();
}
#endif
internal void GotoMethodEnd() {
//limit to only short forward (127 CIL instruction)
//Br_S(this.methodEndLabel);
Br(this.methodEndLabel);
}
internal class WhileState {
public Label StartLabel;
public Label CondLabel;
public Label EndLabel;
public WhileState(CodeGenerator ilg) {
StartLabel = ilg.DefineLabel();
CondLabel = ilg.DefineLabel();
EndLabel = ilg.DefineLabel();
}
}
// Usage:
// WhileBegin()
// WhileBreak()
// WhileContinue()
// WhileBeginCondition()
// (bool on stack)
// WhileEndCondition()
// WhileEnd()
Stack whileStack;
internal void WhileBegin() {
WhileState whileState = new WhileState(this);
Br(whileState.CondLabel);
MarkLabel(whileState.StartLabel);
whileStack.Push(whileState);
}
internal void WhileEnd() {
WhileState whileState = (WhileState)whileStack.Pop();
MarkLabel(whileState.EndLabel);
}
internal void WhileBreak() {
WhileState whileState = (WhileState)whileStack.Peek();
Br(whileState.EndLabel);
}
internal void WhileContinue() {
WhileState whileState = (WhileState)whileStack.Peek();
Br(whileState.CondLabel);
}
internal void WhileBeginCondition() {
WhileState whileState = (WhileState)whileStack.Peek();
// If there are two MarkLabel ILs consecutively, Labels will converge to one label.
// This could cause the code to look different. We insert Nop here specifically
// that the While label stands out.
Nop();
MarkLabel(whileState.CondLabel);
}
internal void WhileEndCondition() {
WhileState whileState = (WhileState)whileStack.Peek();
Brtrue(whileState.StartLabel);
}
#if NotUsed
internal void AndWhile(Cmp cmpOp)
{
object startWhile = blockStack.Pop();
AndIf(cmpOp);
blockStack.Push(startWhile);
}
internal void BeginWhileBody()
{
Label startWhile = (Label) blockStack.Pop();
If();
blockStack.Push(startWhile);
}
internal void BeginWhileBody(Cmp cmpOp)
{
Label startWhile = (Label) blockStack.Pop();
If(cmpOp);
blockStack.Push(startWhile);
}
internal Label BeginWhileCondition()
{
Label startWhile = DefineLabel();
MarkLabel(startWhile);
blockStack.Push(startWhile);
return startWhile;
}
internal void Cne()
{
Ceq();
Load(0);
Ceq();
}
internal void New(ConstructorInfo constructorInfo, object param1, object param2)
{
LoadParam(param1, 1, constructorInfo);
LoadParam(param2, 2, constructorInfo);
New(constructorInfo);
}
//This code is not tested
internal void Stind(Type type)
{
OpCode opCode = StindOpCodes[(int) Type.GetTypeCode(type)];
if (!opCode.Equals(OpCodes.Nop))
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(opCode.ToString());
ilGen.Emit(opCode);
}
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Stobj " + type);
ilGen.Emit(OpCodes.Stobj, type);
}
}
//This code is not tested
internal void StoreOutParam(ArgBuilder arg, object value)
{
Type destType = arg.ArgType;
if (!destType.IsByRef)
throw new InvalidOperationException("OutParametersMustBeByRefTypeReceived"); //.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.OutParametersMustBeByRefTypeReceived, DataContract.GetClrTypeFullName(destType))));
destType = destType.GetElementType();
Type sourceType;
if (value is ArgBuilder)
sourceType = ((ArgBuilder) value).ArgType;
else if (value is LocalBuilder)
sourceType = ((LocalBuilder) value).LocalType;
else if (value != null)
sourceType = value.GetType();
else
sourceType = null;
Load(arg);
Load(value);
if (sourceType != null)
ConvertAddress(sourceType, destType);
Stind(destType);
}
void CheckSecurity(FieldInfo field)
{
if (fullTrustDemanded)
return;
if (IsProtectedWithSecurity(field))
DemandFullTrust();
}
void CheckSecurity(MethodBase method)
{
if (fullTrustDemanded)
return;
if (IsProtectedWithSecurity(method))
DemandFullTrust();
}
void CheckSecurity(Type type)
{
if (fullTrustDemanded)
return;
if (IsProtectedWithSecurity(type))
DemandFullTrust();
}
void CheckSecurity(Assembly assembly)
{
if (fullTrustDemanded)
return;
if (IsProtectedWithSecurity(assembly))
DemandFullTrust();
}
static bool IsProtectedWithSecurity(FieldInfo field)
{
return IsProtectedWithSecurity(field.DeclaringType);
}
static bool IsProtectedWithSecurity(Type type)
{
return IsProtectedWithSecurity(type.Assembly) || (type.Attributes & TypeAttributes.HasSecurity) != 0;
}
static bool IsProtectedWithSecurity(Assembly assembly)
{
object[] attrs = assembly.GetCustomAttributes(typeof(AllowPartiallyTrustedCallersAttribute), true);
bool hasAptca = attrs != null && attrs.Length > 0;
return !hasAptca;
}
void DemandFullTrust()
{
fullTrustDemanded = true;
/*
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("DemandFullTrust() {");
Ldc(PermissionState.Unrestricted);
New(permissionSetCtor);
Call(permissionSetDemand);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("}");
*/
}
static bool IsProtectedWithSecurity(MethodBase method)
{
return false;
//return (method.Attributes & MethodAttributes.HasSecurity) != 0;
}
#endif
}
internal class ArgBuilder {
internal string Name;
internal int Index;
internal Type ArgType;
internal ArgBuilder(string name, int index, Type argType) {
this.Name = name;
this.Index = index;
this.ArgType = argType;
}
}
internal class ForState {
LocalBuilder indexVar;
Label beginLabel;
Label testLabel;
object end;
internal ForState(LocalBuilder indexVar, Label beginLabel, Label testLabel, object end) {
this.indexVar = indexVar;
this.beginLabel = beginLabel;
this.testLabel = testLabel;
this.end = end;
}
internal LocalBuilder Index {
get {
return indexVar;
}
}
internal Label BeginLabel {
get {
return beginLabel;
}
}
internal Label TestLabel {
get {
return testLabel;
}
}
internal object End {
get {
return end;
}
}
}
internal enum Cmp : int {
LessThan = 0,
EqualTo,
LessThanOrEqualTo,
GreaterThan,
NotEqualTo,
GreaterThanOrEqualTo
}
internal class IfState {
Label elseBegin;
Label endIf;
internal Label EndIf {
get {
return this.endIf;
}
set {
this.endIf = value;
}
}
internal Label ElseBegin {
get {
return this.elseBegin;
}
set {
this.elseBegin = value;
}
}
}
internal class LocalScope {
public readonly LocalScope parent;
readonly Dictionary<string, LocalBuilder> locals;
// Root scope
public LocalScope() {
this.locals = new Dictionary<string, LocalBuilder>();
}
public LocalScope(LocalScope parent) : this() {
this.parent = parent;
}
public void Add(string key, LocalBuilder value) {
locals.Add(key, value);
}
public bool ContainsKey(string key) {
return locals.ContainsKey(key) || (parent != null && parent.ContainsKey(key));
}
public bool TryGetValue(string key, out LocalBuilder value) {
if (locals.TryGetValue(key, out value)) {
return true;
}
else if (parent != null) {
return parent.TryGetValue(key, out value);
}
else {
value = null;
return false;
}
}
public LocalBuilder this[string key] {
get {
LocalBuilder value;
TryGetValue(key, out value);
return value;
}
set {
locals[key] = value;
}
}
public void AddToFreeLocals(Dictionary<Tuple<Type, string>, Queue<LocalBuilder>> freeLocals) {
foreach (var item in locals) {
Tuple<Type, string> key = new Tuple<Type, string>(item.Value.LocalType, item.Key);
Queue<LocalBuilder> freeLocalQueue;
if (freeLocals.TryGetValue(key, out freeLocalQueue)) {
// Add to end of the queue so that it will be re-used in
// FIFO manner
freeLocalQueue.Enqueue(item.Value);
}
else {
freeLocalQueue = new Queue<LocalBuilder>();
freeLocalQueue.Enqueue(item.Value);
freeLocals.Add(key, freeLocalQueue);
}
}
}
}
#if NotUsed
internal class BitFlagsGenerator
{
LocalBuilder[] locals;
CodeGenerator ilg;
int bitCount;
internal BitFlagsGenerator(int bitCount, CodeGenerator ilg, string localName)
{
this.ilg = ilg;
this.bitCount = bitCount;
int localCount = (bitCount+7)/8;
locals = new LocalBuilder[localCount];
for (int i=0;i<locals.Length;i++)
locals[i] = ilg.DeclareLocal(Globals.TypeOfByte, localName+i, (byte)0);
}
internal void Store(int bitIndex, bool value)
{
LocalBuilder local = locals[GetByteIndex(bitIndex)];
byte bitValue = GetBitValue(bitIndex);
if (value)
{
ilg.Load(local);
ilg.Load(bitValue);
ilg.Or();
ilg.Stloc(local);
}
else
{
ilg.Load(local);
ilg.Load(bitValue);
ilg.Not();
ilg.And();
ilg.Stloc(local);
}
}
internal void Load(int bitIndex)
{
LocalBuilder local = locals[GetByteIndex(bitIndex)];
byte bitValue = GetBitValue(bitIndex);
ilg.Load(local);
ilg.Load(bitValue);
ilg.And();
ilg.Load(bitValue);
ilg.Ceq();
}
internal void LoadArray()
{
LocalBuilder localArray = ilg.DeclareLocal(Globals.TypeOfByteArray, "localArray");
ilg.NewArray(Globals.TypeOfByte, locals.Length);
ilg.Store(localArray);
for (int i=0;i<locals.Length;i++)
ilg.StoreArrayElement(localArray, i, locals[i]);
ilg.Load(localArray);
}
internal int GetLocalCount()
{
return locals.Length;
}
internal int GetBitCount()
{
return bitCount;
}
internal LocalBuilder GetLocal(int i)
{
return locals[i];
}
internal static bool IsBitSet(byte[] bytes, int bitIndex)
{
int byteIndex = GetByteIndex(bitIndex);
byte bitValue = GetBitValue(bitIndex);
return (bytes[byteIndex] & bitValue) == bitValue;
}
internal static void SetBit(byte[] bytes, int bitIndex)
{
int byteIndex = GetByteIndex(bitIndex);
byte bitValue = GetBitValue(bitIndex);
bytes[byteIndex] |= bitValue;
}
static int GetByteIndex(int bitIndex)
{
return bitIndex >> 3;
}
static byte GetBitValue(int bitIndex)
{
return (byte)(1 << (bitIndex & 7));
}
}
internal class SwitchState
{
Label defaultLabel;
Label endOfSwitchLabel;
bool defaultDefined;
internal SwitchState(Label defaultLabel, Label endOfSwitchLabel)
{
this.defaultLabel = defaultLabel;
this.endOfSwitchLabel = endOfSwitchLabel;
this.defaultDefined = false;
}
internal Label DefaultLabel
{
get
{
return defaultLabel;
}
}
internal Label EndOfSwitchLabel
{
get
{
return endOfSwitchLabel;
}
}
internal bool DefaultDefined
{
get
{
return defaultDefined;
}
set
{
defaultDefined = value;
}
}
}
#endif
internal class MethodBuilderInfo {
public readonly MethodBuilder MethodBuilder;
public readonly Type[] ParameterTypes;
public MethodBuilderInfo(MethodBuilder methodBuilder, Type[] parameterTypes) {
this.MethodBuilder = methodBuilder;
this.ParameterTypes = parameterTypes;
}
public void Validate(Type returnType, Type[] parameterTypes, MethodAttributes attributes) {
#if DEBUG
Debug.Assert(this.MethodBuilder.ReturnType == returnType);
Debug.Assert(this.MethodBuilder.Attributes == attributes);
Debug.Assert(this.ParameterTypes.Length == parameterTypes.Length);
for (int i = 0; i < parameterTypes.Length; ++i) {
Debug.Assert(this.ParameterTypes[i] == parameterTypes[i]);
}
#endif
}
}
internal class CodeGeneratorConversionException : Exception {
private Type sourceType;
private Type targetType;
private bool isAddress;
private string reason;
public CodeGeneratorConversionException(Type sourceType, Type targetType, bool isAddress, string reason)
: base() {
this.sourceType = sourceType;
this.targetType = targetType;
this.isAddress = isAddress;
this.reason = reason;
}
}
}
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