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C# CodeGenerator.Brtrue方法代码示例

本文整理汇总了C#中CodeGenerator.Brtrue方法的典型用法代码示例。如果您正苦于以下问题:C# CodeGenerator.Brtrue方法的具体用法?C# CodeGenerator.Brtrue怎么用?C# CodeGenerator.Brtrue使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CodeGenerator的用法示例。


在下文中一共展示了CodeGenerator.Brtrue方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: WriteEnumMethod

        void WriteEnumMethod(EnumMapping mapping) {
            MethodBuilder get_TableName = null;
            if (mapping.IsFlags)
                WriteHashtable(mapping, mapping.TypeDesc.Name, out get_TableName);

            string methodName = (string)MethodNames[mapping];
            string fullTypeName = mapping.TypeDesc.CSharpName;
            List<Type> argTypes = new List<Type>();
            List<string> argNames = new List<string>();
            Type returnType;
            Type underlyingType;

            returnType = mapping.TypeDesc.Type;
            underlyingType = Enum.GetUnderlyingType(returnType);
            argTypes.Add(typeof(string));
            argNames.Add("s");
            ilg = new CodeGenerator(this.typeBuilder);
            ilg.BeginMethod(
                returnType,
                GetMethodBuilder(methodName),
                argTypes.ToArray(),
                argNames.ToArray(),
                CodeGenerator.PrivateMethodAttributes);

            ConstantMapping[] constants = mapping.Constants;
            if (mapping.IsFlags) {
                {
                    MethodInfo XmlSerializationReader_ToEnum = typeof(XmlSerializationReader).GetMethod(
                        "ToEnum",
                        CodeGenerator.StaticBindingFlags,
                        null,
                        new Type[] { typeof(String), typeof(Hashtable), typeof(String) },
                        null
                        );
                    ilg.Ldarg("s");
                    ilg.Ldarg(0);
                    Debug.Assert(get_TableName != null);
                    ilg.Call(get_TableName);
                    ilg.Ldstr(fullTypeName);
                    ilg.Call(XmlSerializationReader_ToEnum);
                    // XmlSerializationReader_ToEnum return long!
                    if (underlyingType != typeof(long)) {
                        ilg.ConvertValue(typeof(long), underlyingType);
                    }
                    ilg.Stloc(ilg.ReturnLocal);
                    ilg.Br(ilg.ReturnLabel);
                }
            }
            else {
                List<Label> caseLabels = new List<Label>();
                List<object> retValues = new List<object>();
                Label defaultLabel = ilg.DefineLabel();
                Label endSwitchLabel = ilg.DefineLabel();
                // This local is necessary; otherwise, it becomes if/else
                LocalBuilder localTmp = ilg.GetTempLocal(typeof(string));
                ilg.Ldarg("s");
                ilg.Stloc(localTmp);
                ilg.Ldloc(localTmp);
                ilg.Brfalse(defaultLabel);
                Hashtable cases = new Hashtable();
                for (int i = 0; i < constants.Length; i++) {
                    ConstantMapping c = constants[i];

                    CodeIdentifier.CheckValidIdentifier(c.Name);
                    if (cases[c.XmlName] == null) {
                        cases[c.XmlName] = c.XmlName;
                        Label caseLabel = ilg.DefineLabel();
                        ilg.Ldloc(localTmp);
                        ilg.Ldstr(c.XmlName);
                        MethodInfo String_op_Equality = typeof(string).GetMethod(
                            "op_Equality",
                            CodeGenerator.StaticBindingFlags,
                            null,
                            new Type[] { typeof(string), typeof(string) },
                            null
                            );
                        ilg.Call(String_op_Equality);
                        ilg.Brtrue(caseLabel);
                        caseLabels.Add(caseLabel);
                        retValues.Add(Enum.ToObject(mapping.TypeDesc.Type, c.Value));
                    }
                }

                ilg.Br(defaultLabel);
                // Case bodies
                for (int i = 0; i < caseLabels.Count; i++) {
                    ilg.MarkLabel(caseLabels[i]);
                    ilg.Ldc(retValues[i]);
                    ilg.Stloc(ilg.ReturnLocal);
                    ilg.Br(ilg.ReturnLabel);
                }
                MethodInfo XmlSerializationReader_CreateUnknownConstantException = typeof(XmlSerializationReader).GetMethod(
                    "CreateUnknownConstantException",
                    CodeGenerator.InstanceBindingFlags,
                    null,
                    new Type[] { typeof(string), typeof(Type) },
                    null
                    );
                // Default body
                ilg.MarkLabel(defaultLabel);
//.........这里部分代码省略.........
开发者ID:iskiselev,项目名称:JSIL.NetFramework,代码行数:101,代码来源:XmlSerializationReaderILGen.cs

示例2: WriteLiteralStructMethod

        void WriteLiteralStructMethod(StructMapping structMapping) {
            string methodName = (string)MethodNames[structMapping];
            string typeName = structMapping.TypeDesc.CSharpName;
            ilg = new CodeGenerator(this.typeBuilder);
            List<Type> argTypes = new List<Type>();
            List<string> argNames = new List<string>();
            if (structMapping.TypeDesc.IsNullable) {
                argTypes.Add(typeof(Boolean));
                argNames.Add("isNullable");
            }
            argTypes.Add(typeof(Boolean));
            argNames.Add("checkType");
            ilg.BeginMethod(
                structMapping.TypeDesc.Type,
                GetMethodBuilder(methodName),
                argTypes.ToArray(),
                argNames.ToArray(),
                CodeGenerator.PrivateMethodAttributes);

            LocalBuilder locXsiType = ilg.DeclareLocal(typeof(XmlQualifiedName), "xsiType");
            LocalBuilder locIsNull = ilg.DeclareLocal(typeof(Boolean), "isNull");
            MethodInfo XmlSerializationReader_GetXsiType = typeof(XmlSerializationReader).GetMethod(
                "GetXsiType",
                CodeGenerator.InstanceBindingFlags,
                null,
                CodeGenerator.EmptyTypeArray,
                null
                );
            MethodInfo XmlSerializationReader_ReadNull = typeof(XmlSerializationReader).GetMethod(
                 "ReadNull",
                 CodeGenerator.InstanceBindingFlags,
                 null,
                 CodeGenerator.EmptyTypeArray,
                 null
                 );
            Label labelTrue = ilg.DefineLabel();
            Label labelEnd = ilg.DefineLabel();
            ilg.Ldarg("checkType");
            ilg.Brtrue(labelTrue);
            ilg.Load(null);
            ilg.Br_S(labelEnd);
            ilg.MarkLabel(labelTrue);
            ilg.Ldarg(0);
            ilg.Call(XmlSerializationReader_GetXsiType);
            ilg.MarkLabel(labelEnd);
            ilg.Stloc(locXsiType);
            ilg.Ldc(false);
            ilg.Stloc(locIsNull);
            if (structMapping.TypeDesc.IsNullable) {
                ilg.Ldarg("isNullable");
                ilg.If();
                {
                    ilg.Ldarg(0);
                    ilg.Call(XmlSerializationReader_ReadNull);
                    ilg.Stloc(locIsNull);
                }
                ilg.EndIf();
            }

            ilg.Ldarg("checkType");
            ilg.If(); // if (checkType)
            if (structMapping.TypeDesc.IsRoot) {
                ilg.Ldloc(locIsNull);
                ilg.If();
                ilg.Ldloc(locXsiType);
                ilg.Load(null);
                ilg.If(Cmp.NotEqualTo);
                MethodInfo XmlSerializationReader_ReadTypedNull = typeof(XmlSerializationReader).GetMethod(
                       "ReadTypedNull",
                       CodeGenerator.InstanceBindingFlags,
                       null,
                       new Type[] { locXsiType.LocalType },
                       null
                       );
                ilg.Ldarg(0);
                ilg.Ldloc(locXsiType);
                ilg.Call(XmlSerializationReader_ReadTypedNull);
                ilg.Stloc(ilg.ReturnLocal);
                ilg.Br(ilg.ReturnLabel);
                ilg.Else();
                if (structMapping.TypeDesc.IsValueType) {
                    throw CodeGenerator.NotSupported("Arg_NeverValueType");
                }
                else {
                    ilg.Load(null);
                    ilg.Stloc(ilg.ReturnLocal);
                    ilg.Br(ilg.ReturnLabel);
                }
                ilg.EndIf(); // if (xsiType != null)

                ilg.EndIf(); // if (isNull)
            }
            ilg.Ldloc(typeof(XmlQualifiedName), "xsiType");
            ilg.Load(null);
            ilg.Ceq();
            if (!structMapping.TypeDesc.IsRoot) {
                labelTrue = ilg.DefineLabel();
                labelEnd = ilg.DefineLabel();
                // xsiType == null
                ilg.Brtrue(labelTrue);
//.........这里部分代码省略.........
开发者ID:iskiselev,项目名称:JSIL.NetFramework,代码行数:101,代码来源:XmlSerializationReaderILGen.cs

示例3: ILGenForCreateInstance

        internal void ILGenForCreateInstance(CodeGenerator ilg, Type type, Type cast, bool nonPublic)
        {
            // Special case DBNull
            if (type == Globals.TypeOfDBNull)
            {
                FieldInfo DBNull_Value = Globals.TypeOfDBNull.GetField("Value", CodeGenerator.StaticBindingFlags);
                ilg.LoadMember(DBNull_Value);
                return;
            }

            // Special case XElement
            // codegen the same as 'internal XElement : this("default") { }'
            if (type.FullName == "System.Xml.Linq.XElement")
            {
                Type xName = type.GetTypeInfo().Assembly.GetType("System.Xml.Linq.XName");
                if (xName != null)
                {
                    MethodInfo XName_op_Implicit = xName.GetMethod(
                        "op_Implicit",
                        CodeGenerator.StaticBindingFlags,
                        new Type[] { typeof(String) }
                        );
                    ConstructorInfo XElement_ctor = type.GetConstructor(
                        CodeGenerator.InstanceBindingFlags,
                        new Type[] { xName }
                        );
                    if (XName_op_Implicit != null && XElement_ctor != null)
                    {
                        ilg.Ldstr("default");
                        ilg.Call(XName_op_Implicit);
                        ilg.New(XElement_ctor);
                        return;
                    }
                }
            }

            Label labelReturn = ilg.DefineLabel();
            Label labelEndIf = ilg.DefineLabel();

            // TypeInfo typeInfo = type.GetTypeInfo();
            // typeInfo not declared explicitly
            ilg.Ldc(type);
            MethodInfo getTypeInfoMehod = typeof(IntrospectionExtensions).GetMethod(
                  "GetTypeInfo",
                  CodeGenerator.StaticBindingFlags,
                  new[] { typeof(Type) }
                  );
            ilg.Call(getTypeInfoMehod);

            // IEnumerator<ConstructorInfo> e = typeInfo.DeclaredConstructors.GetEnumerator();
            LocalBuilder enumerator = ilg.DeclareLocal(typeof(IEnumerator<>).MakeGenericType(typeof(ConstructorInfo)), "e");
            MethodInfo getDeclaredConstructors = typeof(TypeInfo).GetMethod("get_DeclaredConstructors");
            MethodInfo getEnumerator = typeof(IEnumerable<>).MakeGenericType(typeof(ConstructorInfo)).GetMethod("GetEnumerator");
            ilg.Call(getDeclaredConstructors);
            ilg.Call(getEnumerator);
            ilg.Stloc(enumerator);

            ilg.WhileBegin();
            // ConstructorInfo constructorInfo = e.Current();
            MethodInfo enumeratorCurrent = typeof(IEnumerator).GetMethod("get_Current");
            ilg.Ldloc(enumerator);
            ilg.Call(enumeratorCurrent);
            LocalBuilder constructorInfo = ilg.DeclareLocal(typeof(ConstructorInfo), "constructorInfo");
            ilg.Stloc(constructorInfo);

            // if (!constructorInfo.IsStatic && constructorInfo.GetParameters.Length() == 0)
            ilg.Ldloc(constructorInfo);
            MethodInfo constructorIsStatic = typeof(ConstructorInfo).GetMethod("get_IsStatic");
            ilg.Call(constructorIsStatic);
            ilg.Brtrue(labelEndIf);
            ilg.Ldloc(constructorInfo);
            MethodInfo constructorGetParameters = typeof(ConstructorInfo).GetMethod("GetParameters");
            ilg.Call(constructorGetParameters);
            ilg.Ldlen();
            ilg.Ldc(0);
            ilg.Cne();
            ilg.Brtrue(labelEndIf);

            // constructorInfo.Invoke(null);
            MethodInfo constructorInvoke = typeof(ConstructorInfo).GetMethod("Invoke", new Type[] { typeof(object[]) });
            ilg.Ldloc(constructorInfo);
            ilg.Load(null);
            ilg.Call(constructorInvoke);
            ilg.Br(labelReturn);

            ilg.MarkLabel(labelEndIf);
            ilg.WhileBeginCondition(); // while (e.MoveNext())
            MethodInfo IEnumeratorMoveNext = typeof(IEnumerator).GetMethod(
                "MoveNext",
                CodeGenerator.InstanceBindingFlags,
                Array.Empty<Type>());
            ilg.Ldloc(enumerator);
            ilg.Call(IEnumeratorMoveNext);
            ilg.WhileEndCondition();
            ilg.WhileEnd();

            MethodInfo Activator_CreateInstance = typeof(Activator).GetMethod(
                  "CreateInstance",
                  CodeGenerator.StaticBindingFlags,
                  new Type[] { typeof(Type) }
//.........这里部分代码省略.........
开发者ID:shiftkey-tester,项目名称:corefx,代码行数:101,代码来源:XmlSerializationWriterILGen.cs


注:本文中的CodeGenerator.Brtrue方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。