Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / CodeGenerator.cs / 1305376 / CodeGenerator.cs
//------------------------------------------------------------------------------ // 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; using System.Reflection.Emit; 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"); 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 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 > 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; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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