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linux-packaging-mono/mcs/class/referencesource/System.Runtime.Serialization/System/Runtime/Serialization/CodeGenerator.cs

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Imported Upstream version 4.6.0.125 Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4
2016-08-03 10:59:49 +00:00
//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
// ***NOTE*** If this code is changed, make corresponding changes in System.ServiceModel.CodeGenerator also
namespace System.Runtime.Serialization
{
using System;
using System.Collections;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
#if !NO_DYNAMIC_CODEGEN
using System.Reflection.Emit;
#endif
using System.Security;
class CodeGenerator
{
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo getTypeFromHandle;
static MethodInfo GetTypeFromHandle
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical getTypeFromHandle field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (getTypeFromHandle == null)
getTypeFromHandle = typeof(Type).GetMethod("GetTypeFromHandle");
return getTypeFromHandle;
}
}
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo stringFormat;
static MethodInfo StringFormat
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical stringFormat field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (stringFormat == null)
stringFormat = typeof(string).GetMethod("Format", new Type[] { typeof(string), typeof(object[]) });
return stringFormat;
}
}
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo stringConcat2;
static MethodInfo StringConcat2
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical stringConcat2 field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (stringConcat2 == null)
stringConcat2 = typeof(string).GetMethod("Concat", new Type[] { typeof(string), typeof(string) });
return stringConcat2;
}
}
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo stringConcat3;
static MethodInfo StringConcat3
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical stringConcat3 field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (stringConcat3 == null)
stringConcat3 = typeof(string).GetMethod("Concat", new Type[] { typeof(string), typeof(string), typeof(string) });
return stringConcat3;
}
}
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo objectToString;
static MethodInfo ObjectToString
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical objectToString field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (objectToString == null)
objectToString = typeof(object).GetMethod("ToString", new Type[0]);
return objectToString;
}
}
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo objectEquals;
static MethodInfo ObjectEquals
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical objectEquals field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (objectEquals == null)
objectEquals = Globals.TypeOfObject.GetMethod("Equals", BindingFlags.Public | BindingFlags.Static);
return objectEquals;
}
}
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static MethodInfo arraySetValue;
static MethodInfo ArraySetValue
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical arraySetValue field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (arraySetValue == null)
arraySetValue = typeof(Array).GetMethod("SetValue", new Type[] { typeof(object), typeof(int) });
return arraySetValue;
}
}
Type delegateType;
#if USE_REFEMIT
AssemblyBuilder assemblyBuilder;
ModuleBuilder moduleBuilder;
TypeBuilder typeBuilder;
static int typeCounter;
MethodBuilder methodBuilder;
#else
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static Module serializationModule;
static Module SerializationModule
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical serializationModule field.",
Safe = "Get-only properties only needs to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (serializationModule == null)
{
serializationModule = typeof(CodeGenerator).Module; // could to be replaced by different dll that has SkipVerification set to false
}
return serializationModule;
}
}
DynamicMethod dynamicMethod;
#endif
ILGenerator ilGen;
ArrayList argList;
Stack blockStack;
Label methodEndLabel;
LocalBuilder stringFormatArray;
Hashtable localNames;
int lineNo = 1;
enum CodeGenTrace { None, Save, Tron };
CodeGenTrace codeGenTrace;
internal CodeGenerator()
{
SourceSwitch codeGenSwitch = SerializationTrace.CodeGenerationSwitch;
if ((codeGenSwitch.Level & SourceLevels.Verbose) == SourceLevels.Verbose)
codeGenTrace = CodeGenTrace.Tron;
else if ((codeGenSwitch.Level & SourceLevels.Information) == SourceLevels.Information)
codeGenTrace = CodeGenTrace.Save;
else
codeGenTrace = CodeGenTrace.None;
}
#if !USE_REFEMIT
internal void BeginMethod(DynamicMethod dynamicMethod, Type delegateType, string methodName, Type[] argTypes, bool allowPrivateMemberAccess)
{
this.dynamicMethod = dynamicMethod;
this.ilGen = this.dynamicMethod.GetILGenerator();
this.delegateType = delegateType;
InitILGeneration(methodName, argTypes);
}
#endif
internal void BeginMethod(string methodName, Type delegateType, bool allowPrivateMemberAccess)
{
MethodInfo signature = delegateType.GetMethod("Invoke");
ParameterInfo[] parameters = signature.GetParameters();
Type[] paramTypes = new Type[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
paramTypes[i] = parameters[i].ParameterType;
BeginMethod(signature.ReturnType, methodName, paramTypes, allowPrivateMemberAccess);
this.delegateType = delegateType;
}
void BeginMethod(Type returnType, string methodName, Type[] argTypes, bool allowPrivateMemberAccess)
{
#if USE_REFEMIT
string typeName = "Type" + (typeCounter++);
InitAssemblyBuilder(typeName + "." + methodName);
this.typeBuilder = moduleBuilder.DefineType(typeName, TypeAttributes.Public);
this.methodBuilder = typeBuilder.DefineMethod(methodName, MethodAttributes.Public|MethodAttributes.Static, returnType, argTypes);
this.ilGen = this.methodBuilder.GetILGenerator();
#else
this.dynamicMethod = new DynamicMethod(methodName, returnType, argTypes, SerializationModule, allowPrivateMemberAccess);
this.ilGen = this.dynamicMethod.GetILGenerator();
#endif
InitILGeneration(methodName, argTypes);
}
void InitILGeneration(string methodName, Type[] argTypes)
{
this.methodEndLabel = ilGen.DefineLabel();
this.blockStack = new Stack();
this.argList = new ArrayList();
for (int i = 0; i < argTypes.Length; i++)
argList.Add(new ArgBuilder(i, argTypes[i]));
if (codeGenTrace != CodeGenTrace.None)
EmitSourceLabel("Begin method " + methodName + " {");
}
internal Delegate EndMethod()
{
MarkLabel(methodEndLabel);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceLabel("} End method");
Ret();
Delegate retVal = null;
#if USE_REFEMIT
Type type = typeBuilder.CreateType();
assemblyBuilder.Save(assemblyBuilder.GetName().Name+".dll");
MethodInfo method = type.GetMethod(methodBuilder.Name);
retVal = Delegate.CreateDelegate(delegateType, method);
methodBuilder = null;
#else
retVal = dynamicMethod.CreateDelegate(delegateType);
dynamicMethod = null;
#endif
delegateType = null;
ilGen = null;
blockStack = null;
argList = null;
return retVal;
}
internal MethodInfo CurrentMethod
{
get
{
#if USE_REFEMIT
return methodBuilder;
#else
return dynamicMethod;
#endif
}
}
internal ArgBuilder GetArg(int index)
{
return (ArgBuilder)argList[index];
}
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 LocalBuilder DeclareLocal(Type type, string name, object initialValue)
{
LocalBuilder local = DeclareLocal(type, name);
Load(initialValue);
Store(local);
return local;
}
internal LocalBuilder DeclareLocal(Type type, string name)
{
return DeclareLocal(type, name, false);
}
internal LocalBuilder DeclareLocal(Type type, string name, bool isPinned)
{
LocalBuilder local = ilGen.DeclareLocal(type, isPinned);
if (codeGenTrace != CodeGenTrace.None)
{
LocalNames[local] = name;
EmitSourceComment("Declare local '" + name + "' of type " + type);
}
return local;
}
internal void Set(LocalBuilder local, object value)
{
Load(value);
Store(local);
}
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;
if (forState == null)
ThrowMismatchException(stackTop);
if (forState.Index != null)
{
Ldloc(forState.Index);
Ldc(1);
Add();
Stloc(forState.Index);
MarkLabel(forState.TestLabel);
Ldloc(forState.Index);
Load(forState.End);
if (GetVariableType(forState.End).IsArray)
Ldlen();
Blt(forState.BeginLabel);
}
else
Br(forState.BeginLabel);
if (forState.RequiresEndLabel)
MarkLabel(forState.EndLabel);
}
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;
}
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(branchInstruction + " " + forState.EndLabel.GetHashCode());
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);
}
}
internal void If()
{
InternalIf(false);
}
internal void IfNot()
{
InternalIf(true);
}
OpCode GetBranchCode(Cmp cmp)
{
switch (cmp)
{
case Cmp.LessThan:
return OpCodes.Bge;
case Cmp.EqualTo:
return OpCodes.Bne_Un;
case Cmp.LessThanOrEqualTo:
return OpCodes.Bgt;
case Cmp.GreaterThan:
return OpCodes.Ble;
case Cmp.NotEqualTo:
return OpCodes.Beq;
default:
Fx.Assert(cmp == Cmp.GreaterThanOrEqualTo, "Unexpected cmp");
return OpCodes.Blt;
}
}
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:
Fx.Assert(cmp == Cmp.GreaterThanOrEqualTo, "Unexpected cmp");
return Cmp.LessThan;
}
}
internal void If(Cmp cmpOp)
{
IfState ifState = new IfState();
ifState.EndIf = DefineLabel();
ifState.ElseBegin = DefineLabel();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Branch if " + GetCmpInverse(cmpOp).ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString(NumberFormatInfo.InvariantInfo));
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);
}
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();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Branch if " + GetCmpInverse(cmpOp).ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString(NumberFormatInfo.InvariantInfo));
ilGen.Emit(GetBranchCode(cmpOp), ifState.ElseBegin);
blockStack.Push(ifState);
}
internal void EndIf()
{
IfState ifState = PopIfState();
if (!ifState.ElseBegin.Equals(ifState.EndIf))
MarkLabel(ifState.ElseBegin);
MarkLabel(ifState.EndIf);
}
internal void VerifyParameterCount(MethodInfo methodInfo, int expectedCount)
{
if (methodInfo.GetParameters().Length != expectedCount)
throw DiagnosticUtility.ExceptionUtility.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);
}
internal void Call(MethodInfo methodInfo)
{
if (methodInfo.IsVirtual && !methodInfo.DeclaringType.IsValueType)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Callvirt " + methodInfo.ToString() + " on type " + methodInfo.DeclaringType.ToString());
ilGen.Emit(OpCodes.Callvirt, methodInfo);
}
else if (methodInfo.IsStatic)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Static Call " + methodInfo.ToString() + " on type " + methodInfo.DeclaringType.ToString());
ilGen.Emit(OpCodes.Call, methodInfo);
}
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Call " + methodInfo.ToString() + " on type " + methodInfo.DeclaringType.ToString());
ilGen.Emit(OpCodes.Call, methodInfo);
}
}
internal void Call(ConstructorInfo ctor)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Call " + ctor.ToString() + " on type " + ctor.DeclaringType.ToString());
ilGen.Emit(OpCodes.Call, ctor);
}
internal void New(ConstructorInfo constructorInfo)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Newobj " + constructorInfo.ToString() + " on type " + constructorInfo.DeclaringType.ToString());
ilGen.Emit(OpCodes.Newobj, constructorInfo);
}
internal void New(ConstructorInfo constructorInfo, object param1)
{
LoadParam(param1, 1, constructorInfo);
New(constructorInfo);
}
internal void InitObj(Type valueType)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Initobj " + valueType);
ilGen.Emit(OpCodes.Initobj, valueType);
}
internal void NewArray(Type elementType, object len)
{
Load(len);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Newarr " + elementType);
ilGen.Emit(OpCodes.Newarr, elementType);
}
internal void IgnoreReturnValue()
{
Pop();
}
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 == Globals.TypeOfArray)
{
Call(obj, ArraySetValue, value, arrayIndex);
}
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(MemberInfo memberInfo)
{
Type memberType = null;
if (memberInfo.MemberType == MemberTypes.Field)
{
FieldInfo fieldInfo = (FieldInfo)memberInfo;
memberType = fieldInfo.FieldType;
if (fieldInfo.IsStatic)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldsfld " + fieldInfo + " on type " + fieldInfo.DeclaringType);
ilGen.Emit(OpCodes.Ldsfld, fieldInfo);
}
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldfld " + fieldInfo + " on type " + fieldInfo.DeclaringType);
ilGen.Emit(OpCodes.Ldfld, fieldInfo);
}
}
else if (memberInfo.MemberType == MemberTypes.Property)
{
PropertyInfo property = memberInfo as PropertyInfo;
memberType = property.PropertyType;
if (property != null)
{
MethodInfo getMethod = property.GetGetMethod(true);
if (getMethod == null)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.NoGetMethodForProperty, property.DeclaringType, property)));
Call(getMethod);
}
}
else if (memberInfo.MemberType == MemberTypes.Method)
{
MethodInfo method = (MethodInfo)memberInfo;
memberType = method.ReturnType;
Call(method);
}
else
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.CannotLoadMemberType, memberInfo.MemberType, memberInfo.DeclaringType, memberInfo.Name)));
EmitStackTop(memberType);
return memberType;
}
internal void StoreMember(MemberInfo memberInfo)
{
if (memberInfo.MemberType == MemberTypes.Field)
{
FieldInfo fieldInfo = (FieldInfo)memberInfo;
if (fieldInfo.IsStatic)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Stsfld " + fieldInfo + " on type " + fieldInfo.DeclaringType);
ilGen.Emit(OpCodes.Stsfld, fieldInfo);
}
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Stfld " + fieldInfo + " on type " + fieldInfo.DeclaringType);
ilGen.Emit(OpCodes.Stfld, fieldInfo);
}
}
else if (memberInfo.MemberType == MemberTypes.Property)
{
PropertyInfo property = memberInfo as PropertyInfo;
if (property != null)
{
MethodInfo setMethod = property.GetSetMethod(true);
if (setMethod == null)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.NoSetMethodForProperty, property.DeclaringType, property)));
Call(setMethod);
}
}
else if (memberInfo.MemberType == MemberTypes.Method)
Call((MethodInfo)memberInfo);
else
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.CannotLoadMemberType, memberInfo.MemberType)));
}
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);
}
internal void Load(object obj)
{
if (obj == null)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldnull");
ilGen.Emit(OpCodes.Ldnull);
}
else if (obj is ArgBuilder)
Ldarg((ArgBuilder)obj);
else if (obj is LocalBuilder)
Ldloc((LocalBuilder)obj);
else
Ldc(obj);
}
internal void Store(object var)
{
if (var is ArgBuilder)
Starg((ArgBuilder)var);
else if (var is LocalBuilder)
Stloc((LocalBuilder)var);
else
{
Fx.Assert("Data can only be stored into ArgBuilder or LocalBuilder.");
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.CanOnlyStoreIntoArgOrLocGot0, DataContract.GetClrTypeFullName(var.GetType()))));
}
}
internal void Dec(object var)
{
Load(var);
Load(1);
Subtract();
Store(var);
}
internal void Inc(object var)
{
Load(var);
Load(1);
Add();
Store(var);
}
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)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Castclass " + target);
ilGen.Emit(OpCodes.Castclass, target);
}
internal void Box(Type type)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Box " + type);
ilGen.Emit(OpCodes.Box, type);
}
internal void Unbox(Type type)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Unbox " + type);
ilGen.Emit(OpCodes.Unbox, type);
}
OpCode GetLdindOpCode(TypeCode 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))
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(opCode.ToString());
ilGen.Emit(opCode);
}
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldobj " + type);
ilGen.Emit(OpCodes.Ldobj, type);
}
}
internal void Stobj(Type type)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Stobj " + type);
ilGen.Emit(OpCodes.Stobj, type);
}
internal void Ceq()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ceq");
ilGen.Emit(OpCodes.Ceq);
}
internal void Bgt(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Bgt " + label.GetHashCode());
ilGen.Emit(OpCodes.Bgt, label);
}
internal void Ble(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ble " + label.GetHashCode());
ilGen.Emit(OpCodes.Ble, label);
}
internal void Throw()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Throw");
ilGen.Emit(OpCodes.Throw);
}
internal void Ldtoken(Type t)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldtoken " + t);
ilGen.Emit(OpCodes.Ldtoken, t);
}
internal void Ldc(object o)
{
Type valueType = o.GetType();
if (o is Type)
{
Ldtoken((Type)o);
Call(GetTypeFromHandle);
}
else if (valueType.IsEnum)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceComment("Ldc " + o.GetType() + "." + o);
Ldc(((IConvertible)o).ToType(Enum.GetUnderlyingType(valueType), null));
}
else
{
switch (Type.GetTypeCode(valueType))
{
case TypeCode.Boolean:
Ldc((bool)o);
break;
case TypeCode.Char:
Fx.Assert("Char is not a valid schema primitive and should be treated as int in DataContract");
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.CharIsInvalidPrimitive)));
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.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.Empty:
case TypeCode.DBNull:
default:
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.UnknownConstantType, DataContract.GetClrTypeFullName(valueType))));
}
}
}
internal void Ldc(bool boolVar)
{
if (boolVar)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldc.i4 1");
ilGen.Emit(OpCodes.Ldc_I4_1);
}
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldc.i4 0");
ilGen.Emit(OpCodes.Ldc_I4_0);
}
}
internal void Ldc(int intVar)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldc.i4 " + 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)
{
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);
}
internal void Ldstr(string strVar)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldstr " + strVar);
ilGen.Emit(OpCodes.Ldstr, strVar);
}
internal void LdlocAddress(LocalBuilder localBuilder)
{
if (localBuilder.LocalType.IsValueType)
Ldloca(localBuilder);
else
Ldloc(localBuilder);
}
internal void Ldloc(LocalBuilder localBuilder)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldloc " + LocalNames[localBuilder]);
ilGen.Emit(OpCodes.Ldloc, localBuilder);
EmitStackTop(localBuilder.LocalType);
}
internal void Stloc(LocalBuilder local)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Stloc " + LocalNames[local]);
EmitStackTop(local.LocalType);
ilGen.Emit(OpCodes.Stloc, local);
}
internal void Ldloc(int slot)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldloc " + 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)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Stloc " + 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(LocalBuilder localBuilder)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldloca " + LocalNames[localBuilder]);
ilGen.Emit(OpCodes.Ldloca, localBuilder);
EmitStackTop(localBuilder.LocalType);
}
internal void Ldloca(int slot)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldloca " + slot);
if (slot <= 255)
ilGen.Emit(OpCodes.Ldloca_S, slot);
else
ilGen.Emit(OpCodes.Ldloca, slot);
}
internal void LdargAddress(ArgBuilder argBuilder)
{
if (argBuilder.ArgType.IsValueType)
Ldarga(argBuilder);
else
Ldarg(argBuilder);
}
internal void Ldarg(ArgBuilder arg)
{
Ldarg(arg.Index);
}
internal void Starg(ArgBuilder arg)
{
Starg(arg.Index);
}
internal void Ldarg(int slot)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldarg " + 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;
}
}
internal void Starg(int slot)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Starg " + slot);
if (slot <= 255)
ilGen.Emit(OpCodes.Starg_S, slot);
else
ilGen.Emit(OpCodes.Starg, slot);
}
internal void Ldarga(ArgBuilder argBuilder)
{
Ldarga(argBuilder.Index);
}
internal void Ldarga(int slot)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldarga " + slot);
if (slot <= 255)
ilGen.Emit(OpCodes.Ldarga_S, slot);
else
ilGen.Emit(OpCodes.Ldarga, slot);
}
internal void Ldlen()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ldlen");
ilGen.Emit(OpCodes.Ldlen);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Conv.i4");
ilGen.Emit(OpCodes.Conv_I4);
}
OpCode GetLdelemOpCode(TypeCode 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));
if (opCode.Equals(OpCodes.Nop))
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ArrayTypeIsNotSupported, DataContract.GetClrTypeFullName(arrayElementType))));
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(opCode.ToString());
ilGen.Emit(opCode);
EmitStackTop(arrayElementType);
}
}
internal void Ldelema(Type arrayElementType)
{
OpCode opCode = OpCodes.Ldelema;
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(opCode.ToString());
ilGen.Emit(opCode, arrayElementType);
EmitStackTop(arrayElementType);
}
OpCode GetStelemOpCode(TypeCode 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 System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ArrayTypeIsNotSupported, DataContract.GetClrTypeFullName(arrayElementType))));
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(opCode.ToString());
EmitStackTop(arrayElementType);
ilGen.Emit(opCode);
}
}
internal Label DefineLabel()
{
return ilGen.DefineLabel();
}
internal void MarkLabel(Label label)
{
ilGen.MarkLabel(label);
if (codeGenTrace != CodeGenTrace.None)
EmitSourceLabel(label.GetHashCode() + ":");
}
internal void Add()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Add");
ilGen.Emit(OpCodes.Add);
}
internal void Subtract()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Sub");
ilGen.Emit(OpCodes.Sub);
}
internal void And()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("And");
ilGen.Emit(OpCodes.And);
}
internal void Or()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Or");
ilGen.Emit(OpCodes.Or);
}
internal void Not()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Not");
ilGen.Emit(OpCodes.Not);
}
internal void Ret()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Ret");
ilGen.Emit(OpCodes.Ret);
}
internal void Br(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Br " + label.GetHashCode());
ilGen.Emit(OpCodes.Br, label);
}
internal void Blt(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Blt " + label.GetHashCode());
ilGen.Emit(OpCodes.Blt, label);
}
internal void Brfalse(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Brfalse " + label.GetHashCode());
ilGen.Emit(OpCodes.Brfalse, label);
}
internal void Brtrue(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Brtrue " + label.GetHashCode());
ilGen.Emit(OpCodes.Brtrue, label);
}
internal void Pop()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Pop");
ilGen.Emit(OpCodes.Pop);
}
internal void Dup()
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Dup");
ilGen.Emit(OpCodes.Dup);
}
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);
}
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);
}
OpCode GetConvOpCode(TypeCode 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_I8; // 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))
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.NoConversionPossibleTo, DataContract.GetClrTypeFullName(target))));
else
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction(opCode.ToString());
ilGen.Emit(opCode);
}
}
else if (source.IsAssignableFrom(target))
{
Unbox(target);
if (!isAddress)
Ldobj(target);
}
else
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.IsNotAssignableFrom, DataContract.GetClrTypeFullName(target), DataContract.GetClrTypeFullName(source))));
}
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
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.IsNotAssignableFrom, DataContract.GetClrTypeFullName(target), DataContract.GetClrTypeFullName(source))));
}
IfState PopIfState()
{
object stackTop = blockStack.Pop();
IfState ifState = stackTop as IfState;
if (ifState == null)
ThrowMismatchException(stackTop);
return ifState;
}
#if USE_REFEMIT
void InitAssemblyBuilder(string methodName)
{
AssemblyName name = new AssemblyName();
name.Name = "Microsoft.GeneratedCode."+methodName;
assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.RunAndSave);
moduleBuilder = assemblyBuilder.DefineDynamicModule(name.Name, name.Name + ".dll", false);
}
#endif
void ThrowMismatchException(object expected)
{
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.ExpectingEnd, expected.ToString())));
}
Hashtable LocalNames
{
get
{
if (localNames == null)
localNames = new Hashtable();
return localNames;
}
}
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)
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();
ToDebuggableString(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 != Globals.TypeOfString)
{
if (type.IsValueType)
{
Box(type);
}
Call(ObjectToString);
}
}
internal void ToDebuggableString(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);
ToDebuggableString(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 stringLength = typeof(string).GetProperty("Length").GetGetMethod();
internal void ElseIfIsEmptyString(LocalBuilder strLocal)
{
IfState ifState = (IfState)blockStack.Pop();
Br(ifState.EndIf);
MarkLabel(ifState.ElseBegin);
Load(strLocal);
Call(stringLength);
Load(0);
ifState.ElseBegin = DefineLabel();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Branch if " + GetCmpInverse(Cmp.EqualTo).ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString(NumberFormatInfo.InvariantInfo));
ilGen.Emit(GetBranchCode(Cmp.EqualTo), ifState.ElseBegin);
blockStack.Push(ifState);
}
internal void IfNotIsEmptyString(LocalBuilder strLocal)
{
Load(strLocal);
Call(stringLength);
Load(0);
If(Cmp.NotEqualTo);
}
internal void BeginWhileCondition()
{
Label startWhile = DefineLabel();
MarkLabel(startWhile);
blockStack.Push(startWhile);
}
internal void BeginWhileBody(Cmp cmpOp)
{
Label startWhile = (Label)blockStack.Pop();
If(cmpOp);
blockStack.Push(startWhile);
}
internal void EndWhile()
{
Label startWhile = (Label)blockStack.Pop();
Br(startWhile);
EndIf();
}
#if NotUsed
static MethodInfo stringCompare = typeof(string).GetMethod("Compare", new Type[] { typeof(string), typeof(string) });
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 " + GetCmpInverse(cmpOp).ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString(NumberFormatInfo.InvariantInfo));
ilGen.Emit(GetBranchCode(cmpOp), ifState.ElseBegin);
blockStack.Push(ifState);
}
internal void IfString(object s1, Cmp cmpOp, object s2)
{
Load(s1);
Load(s2);
Call(stringCompare);
Load(0);
If(cmpOp);
}
static MethodInfo stringEquals = typeof(string).GetMethod("Equals", 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]);
internal void AndIf(Cmp cmpOp)
{
IfState ifState = (IfState) blockStack.Peek();
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Branch if " + CmpInverse[(int) cmpOp].ToString() + " to " + ifState.ElseBegin.GetHashCode().ToString());
ilGen.Emit(BranchCode[(int)cmpOp], ifState.ElseBegin);
}
internal void AndIf()
{
IfState ifState = (IfState) blockStack.Peek();
Brfalse(ifState.ElseBegin);
}
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 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);
}
internal void IsInst(Type type)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("IsInst " + DataContract.GetClrTypeFullName(type));
ilGen.Emit(OpCodes.Isinst, type);
}
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);
}
internal void Beq(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Beq " + label.GetHashCode());
ilGen.Emit(OpCodes.Beq, label);
}
internal void Bne(Label label)
{
if (codeGenTrace != CodeGenTrace.None)
EmitSourceInstruction("Bne " + label.GetHashCode());
ilGen.Emit(OpCodes.Bne_Un, label);
}
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();
}
internal void GotoMethodEnd()
{
Br(this.methodEndLabel);
}
internal void AndWhile(Cmp cmpOp)
{
object startWhile = blockStack.Pop();
AndIf(cmpOp);
blockStack.Push(startWhile);
}
internal void BeginWhileBody(Cmp cmpOp)
{
Label startWhile = (Label) blockStack.Pop();
If(cmpOp);
blockStack.Push(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 System.Runtime.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 int Index;
internal Type ArgType;
internal ArgBuilder(int index, Type argType)
{
this.Index = index;
this.ArgType = argType;
}
}
internal class ForState
{
LocalBuilder indexVar;
Label beginLabel;
Label testLabel;
Label endLabel;
bool requiresEndLabel;
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 Label EndLabel
{
get
{
return endLabel;
}
set
{
endLabel = value;
}
}
internal bool RequiresEndLabel
{
get
{
return requiresEndLabel;
}
set
{
requiresEndLabel = value;
}
}
internal object End
{
get
{
return end;
}
}
}
internal enum Cmp
{
LessThan,
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;
}
}
}
#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));
}
}
#endif
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;
}
}
}
}
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