public void CreateProxiedMethod(FieldInfo field, MethodInfo method, TypeBuilder typeBuilder)
{
const MethodAttributes methodAttributes = MethodAttributes.Public | MethodAttributes.HideBySig |
MethodAttributes.Virtual;
ParameterInfo[] parameters = method.GetParameters();
MethodBuilder methodBuilder = typeBuilder.DefineMethod(method.Name, methodAttributes,
CallingConventions.HasThis, method.ReturnType,
parameters.Select(param => param.ParameterType).ToArray());
System.Type[] typeArgs = method.GetGenericArguments();
if (typeArgs.Length > 0)
{
var typeNames = new List<string>();
for (int index = 0; index < typeArgs.Length; index++)
{
typeNames.Add(string.Format("T{0}", index));
}
methodBuilder.DefineGenericParameters(typeNames.ToArray());
}
ILGenerator IL = methodBuilder.GetILGenerator();
Debug.Assert(MethodBodyEmitter != null);
MethodBodyEmitter.EmitMethodBody(IL, method, field);
}
public static void Clear()
{
_dynamicAssembly = null;
_moduleBuilder = null;
_typeBuilder = null;
_accessorList.Clear();
}
// Constructs a PropertyBuilder.
//
internal PropertyBuilder(
ModuleBuilder mod, // the module containing this PropertyBuilder
String name, // property name
SignatureHelper sig, // property signature descriptor info
PropertyAttributes attr, // property attribute such as DefaultProperty, Bindable, DisplayBind, etc
Type returnType, // return type of the property.
PropertyToken prToken, // the metadata token for this property
TypeBuilder containingType) // the containing type
{
if (name == null)
throw new ArgumentNullException("name");
if (name.Length == 0)
throw new ArgumentException(Environment.GetResourceString("Argument_EmptyName"), "name");
if (name[0] == '\0')
throw new ArgumentException(Environment.GetResourceString("Argument_IllegalName"), "name");
Contract.EndContractBlock();
m_name = name;
m_moduleBuilder = mod;
m_signature = sig;
m_attributes = attr;
m_returnType = returnType;
m_prToken = prToken;
m_tkProperty = prToken.Token;
m_containingType = containingType;
}
public override void GenerateCode(ILGenerator codeGenerator, TypeBuilder typeBuilder, ModuleBuilder moduleBuilder)
{
LeftOperand.GenerateCode(codeGenerator, typeBuilder, moduleBuilder);
RightOperand.GenerateCode(codeGenerator, typeBuilder, moduleBuilder);
Label endLabel = codeGenerator.DefineLabel();
Label trueLabel = codeGenerator.DefineLabel();
if (LeftOperand.ReturnType == StringType.StringInstance)
{
codeGenerator.Emit(OpCodes.Call, typeof(String).GetMethod("CompareTo", new Type[] { typeof(string) }));
codeGenerator.Emit(OpCodes.Ldc_I4_0);
codeGenerator.Emit(OpCodes.Bne_Un, trueLabel);
}
else
codeGenerator.Emit(OpCodes.Bne_Un, trueLabel);
codeGenerator.Emit(OpCodes.Ldc_I4_0);
codeGenerator.Emit(OpCodes.Br, endLabel);
codeGenerator.MarkLabel(trueLabel);
codeGenerator.Emit(OpCodes.Ldc_I4_1);
codeGenerator.MarkLabel(endLabel);
}
public CodeGenerator(Expression pExpression, String pModuleName, ref LogHandler rLogHandler)
{
_symbolTable = new Dictionary <String, Emit.LocalBuilder>();
_assemblyName = new Reflect.AssemblyName(Path.GetFileNameWithoutExtension(pModuleName));
_statement = pExpression;
//Init Assembly
_assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(_assemblyName, Emit.AssemblyBuilderAccess.Save);
_moduleBuilder = _assemblyBuilder.DefineDynamicModule(pModuleName);
_typeBuilder = _moduleBuilder.DefineType("PascalCompilerType");
_methodBuilder = _typeBuilder.DefineMethod
(
"Main",
Reflect.MethodAttributes.Static,
typeof(void),
Type.EmptyTypes
);
_ilGenerator = _methodBuilder.GetILGenerator();
//Actual Work
GenerateStatement(_statement, null);
_ilGenerator.Emit(Emit.OpCodes.Ret);
//Finalizing Work
_typeBuilder.CreateType();
_moduleBuilder.CreateGlobalFunctions();
_assemblyBuilder.SetEntryPoint(_methodBuilder);
_assemblyBuilder.Save(pModuleName);
}
public override void GenerateCode(ILGenerator generator, TypeBuilder typeBuilder)
{
// Declarando la etiqueta.
Label end = generator.DefineLabel();
//Generamos el codigo de la izquierda
Left.GenerateCode(generator, typeBuilder);
//Devuelve '1' en la pila si el valor de Left es distinto de cero.
CheckIfEqualToZero(generator);
//Guardamos el resultado en una variable, por si se salta no perderlo
var result = generator.DeclareLocal(typeof (int));
GetValueFromStack(generator, result);
//Si fue igual a 1 (true), saltamos hacia el final
generator.Emit(OpCodes.Brtrue, end);
//Sino, Generamos el codigo de la derecha
Right.GenerateCode(generator, typeBuilder);
//Si llegamos aqui, entonces el resultado sera el del operador derecho (si es 1 => 1)
CheckIfEqualToZero(generator);
//Guardamos el resultado en la variable
GetValueFromStack(generator, result);
//Haciendo 'backpatch'
generator.MarkLabel(end);
//Guardamos el resultado en la pila
generator.Emit(OpCodes.Ldloc, result);
}
#pragma warning restore 169, 414
internal MethodBuilder (TypeBuilder tb, string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnModReq, Type[] returnModOpt, Type[] parameterTypes, Type[][] paramModReq, Type[][] paramModOpt)
{
this.name = name;
this.attrs = attributes;
this.call_conv = callingConvention;
this.rtype = returnType;
this.returnModReq = returnModReq;
this.returnModOpt = returnModOpt;
this.paramModReq = paramModReq;
this.paramModOpt = paramModOpt;
// The MSDN docs does not specify this, but the MS MethodBuilder
// appends a HasThis flag if the method is not static
if ((attributes & MethodAttributes.Static) == 0)
this.call_conv |= CallingConventions.HasThis;
if (parameterTypes != null) {
for (int i = 0; i < parameterTypes.Length; ++i)
if (parameterTypes [i] == null)
throw new ArgumentException ("Elements of the parameterTypes array cannot be null", "parameterTypes");
this.parameters = new Type [parameterTypes.Length];
System.Array.Copy (parameterTypes, this.parameters, parameterTypes.Length);
}
type = tb;
table_idx = get_next_table_index (this, 0x06, true);
((ModuleBuilder)tb.Module).RegisterToken (this, GetToken ().Token);
}
private void ImplementInterfaceProperties(Type interfaceOfTypeToCreate, System.Reflection.Emit.TypeBuilder typeBuilder)
{
typeBuilder.AddInterfaceImplementation(interfaceOfTypeToCreate);
foreach (var implementedInterfaceType in interfaceOfTypeToCreate.GetInterfaces())
{
ImplementInterfaceProperties(implementedInterfaceType, typeBuilder);
}
foreach (var pi in interfaceOfTypeToCreate.GetProperties())
{
var backingFieldBuilder = typeBuilder.DefineField($"{interfaceOfTypeToCreate.Name}._{ToCamelCase(pi.Name)}", pi.PropertyType, FieldAttributes.Private);
var accessorAttributes = MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.Virtual | MethodAttributes.HideBySig;
var mbGetAccessor = typeBuilder.DefineMethod($"get_{pi.Name}", accessorAttributes, pi.PropertyType, Type.EmptyTypes);
var mbGetIL = mbGetAccessor.GetILGenerator();
mbGetIL.Emit(OpCodes.Ldarg_0);
mbGetIL.Emit(OpCodes.Ldfld, backingFieldBuilder);
mbGetIL.Emit(OpCodes.Ret);
var mbSetAccessor = typeBuilder.DefineMethod($"set_{pi.Name}", accessorAttributes, null, new[] { pi.PropertyType });
var mbSetIL = mbSetAccessor.GetILGenerator();
mbSetIL.Emit(OpCodes.Ldarg_0);
mbSetIL.Emit(OpCodes.Ldarg_1);
mbSetIL.Emit(OpCodes.Stfld, backingFieldBuilder);
mbSetIL.Emit(OpCodes.Ret);
var propertyBuilder = typeBuilder.DefineProperty(pi.Name, PropertyAttributes.HasDefault, pi.PropertyType, null);
propertyBuilder.SetGetMethod(mbGetAccessor);
propertyBuilder.SetSetMethod(mbSetAccessor);
}
}
public ILDynamicMethodDebugImpl(string name, Type delegateType, Type thisType)
{
_delegateType = delegateType;
_expectedLength = 64;
var mi = delegateType.GetMethod("Invoke");
var uniqueName = ILDynamicTypeDebugImpl.UniqueName(name);
_assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(new AssemblyName(uniqueName), AssemblyBuilderAccess.RunAndSave, DynamicILDirectoryPath.DynamicIL);
_moduleBuilder = _assemblyBuilder.DefineDynamicModule(uniqueName + ".dll", true);
var sourceCodeFileName = Path.Combine(DynamicILDirectoryPath.DynamicIL, uniqueName + ".il");
_symbolDocumentWriter = _moduleBuilder.DefineDocument(sourceCodeFileName, SymDocumentType.Text, SymLanguageType.ILAssembly, SymLanguageVendor.Microsoft);
_sourceCodeWriter = new SourceCodeWriter(sourceCodeFileName, _symbolDocumentWriter);
Type[] parameterTypes;
if (thisType != null)
{
parameterTypes = new[] { thisType }.Concat(mi.GetParameters().Select(pi => pi.ParameterType)).ToArray();
}
else
{
parameterTypes = mi.GetParameters().Select(pi => pi.ParameterType).ToArray();
}
_sourceCodeWriter.StartMethod(name, mi.ReturnType, parameterTypes, MethodAttributes.Static);
_typeBuilder = _moduleBuilder.DefineType(name, TypeAttributes.Public, typeof(object), Type.EmptyTypes);
_forbidenInstructions = new ILGenForbidenInstructionsCheating(_typeBuilder);
_dynamicMethod = _typeBuilder.DefineMethod("Invoke", MethodAttributes.Public | MethodAttributes.Static, mi.ReturnType, parameterTypes);
for (int i = 0; i < parameterTypes.Length; i++)
{
_dynamicMethod.DefineParameter(i + 1, ParameterAttributes.In, string.Format("arg{0}", i));
}
}
#pragma warning restore 169, 414
internal EventBuilder (TypeBuilder tb, string eventName, EventAttributes eventAttrs, Type eventType) {
name = eventName;
attrs = eventAttrs;
type = eventType;
typeb = tb;
table_idx = get_next_table_index (this, 0x14, true);
}
public MethodGen(Emit.TypeBuilder typeBuilder, Collections.Dictionary <string, Emit.FieldBuilder> typefieldList, string dllProbeDirectory, TypeGen parent)
{
this.typeBuilder = typeBuilder;
this.dllProbeDirectory = dllProbeDirectory;
this.typefieldList = typefieldList;
this.parent = parent;
}
/// <summary>
/// Initializes a new instance of the <see cref="TypeBuilderHelper"/> class
/// with the specified parameters.
/// </summary>
/// <param name="assemblyBuilder">Associated <see cref="AssemblyBuilderHelper"/>.</param>
/// <param name="typeBuilder">A <see cref="TypeBuilder"/></param>
public TypeBuilderHelper(AssemblyBuilderHelper assemblyBuilder, System.Reflection.Emit.TypeBuilder typeBuilder)
{
Assembly = assemblyBuilder ?? throw new ArgumentNullException(nameof(assemblyBuilder));
TypeBuilder = typeBuilder ?? throw new ArgumentNullException(nameof(typeBuilder));
TypeBuilder.SetCustomAttribute(Assembly.ReflectionExtensionsAttribute);
}
private FieldInfo[] GenerateProperties(TypeBuilder tb, DynamicProperty[] properties)
{
FieldInfo[] array = new FieldBuilder[properties.Length];
for (int i = 0; i < properties.Length; i++)
{
DynamicProperty dynamicProperty = properties[i];
FieldBuilder fieldBuilder = tb.DefineField("_" + dynamicProperty.Name, dynamicProperty.Type, FieldAttributes.Private);
PropertyBuilder propertyBuilder = tb.DefineProperty(dynamicProperty.Name, PropertyAttributes.HasDefault, dynamicProperty.Type, null);
MethodBuilder methodBuilder = tb.DefineMethod("get_" + dynamicProperty.Name, MethodAttributes.FamANDAssem | MethodAttributes.Family | MethodAttributes.HideBySig | MethodAttributes.SpecialName, dynamicProperty.Type, Type.EmptyTypes);
ILGenerator iLGenerator = methodBuilder.GetILGenerator();
iLGenerator.Emit(OpCodes.Ldarg_0);
iLGenerator.Emit(OpCodes.Ldfld, fieldBuilder);
iLGenerator.Emit(OpCodes.Ret);
MethodBuilder methodBuilder2 = tb.DefineMethod("set_" + dynamicProperty.Name, MethodAttributes.FamANDAssem | MethodAttributes.Family | MethodAttributes.HideBySig | MethodAttributes.SpecialName, null, new Type[]
{
dynamicProperty.Type
});
ILGenerator iLGenerator2 = methodBuilder2.GetILGenerator();
iLGenerator2.Emit(OpCodes.Ldarg_0);
iLGenerator2.Emit(OpCodes.Ldarg_1);
iLGenerator2.Emit(OpCodes.Stfld, fieldBuilder);
iLGenerator2.Emit(OpCodes.Ret);
propertyBuilder.SetGetMethod(methodBuilder);
propertyBuilder.SetSetMethod(methodBuilder2);
array[i] = fieldBuilder;
}
return array;
}
private static void ImplementInterfaceMethod(TypeBuilder newType, MethodInfo interfaceMethod)
{
ParameterInfo[] parameters = interfaceMethod.GetParameters();
Type[] parameterTypes = new Type[parameters.Length];
for (int idx = 0; idx < parameters.Length; idx++)
parameterTypes[idx] = parameters[idx].ParameterType;
MethodBuilder newMethod = newType.DefineMethod(
interfaceMethod.DeclaringType.Name + "." + interfaceMethod.Name,
MethodAttributes.Private | MethodAttributes.HideBySig | MethodAttributes.NewSlot | MethodAttributes.Virtual | MethodAttributes.Final,
interfaceMethod.ReturnType, parameterTypes
);
MethodInfo baseMethod = newType.BaseType.GetMethod(interfaceMethod.Name, parameterTypes);
for (int i = 0; i < parameters.Length; i++)
newMethod.DefineParameter(i + 1, parameters[i].Attributes, parameters[i].Name);
ILGenerator ilGen = newMethod.GetILGenerator();
for (int i = 0; i <= parameterTypes.Length; i++)
ilGen.Emit(OpCodes.Ldarg_S, (byte)i);
ilGen.Emit(OpCodes.Call, baseMethod);
ilGen.Emit(OpCodes.Ret);
newType.DefineMethodOverride(newMethod, interfaceMethod);
}
private static FieldInfo[] GenerateProperties(TypeBuilder tb, IDictionary<string, Type> properties)
{
const MethodAttributes getSetAttr = MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
FieldInfo[] fields = new FieldBuilder[properties.Count];
int i = 0;
foreach (string key in properties.Keys)
{
string name = key;
Type type = properties[key];
FieldBuilder fb = tb.DefineField("_" + key, type, FieldAttributes.Public);
PropertyBuilder pb = tb.DefineProperty(key, PropertyAttributes.HasDefault, type, null);
MethodBuilder mbGet = tb.DefineMethod("get_" + name, getSetAttr, type, Type.EmptyTypes);
ILGenerator genGet = mbGet.GetILGenerator(8);
genGet.Emit(OpCodes.Ldarg_0);
genGet.Emit(OpCodes.Ldfld, fb);
genGet.Emit(OpCodes.Ret);
pb.SetGetMethod(mbGet);
MethodBuilder mbSet = tb.DefineMethod("set_" + name, getSetAttr, null, new Type[] { type });
ILGenerator genSet = mbSet.GetILGenerator(8);
genSet.Emit(OpCodes.Ldarg_0);
genSet.Emit(OpCodes.Ldarg_1);
genSet.Emit(OpCodes.Stfld, fb);
genSet.Emit(OpCodes.Ret);
pb.SetSetMethod(mbSet);
fields[i] = fb;
}
return fields;
}
public AbstractProxyBuilder(ModuleBuilder moduleBuilder, string className, Type interfaceType, Type innerType)
{
Verify.ArgumentNotNull(moduleBuilder, "moduleBuilder");
Verify.ArgumentNotNull(className, "className");
Verify.ArgumentNotNull(interfaceType, "interfaceType");
Verify.ArgumentNotNull(innerType, "innerType");
if (!interfaceType.IsInterface) {
throw new ArgumentException("must be an interface type", "interfaceType");
}
_errorMessages = new List<string>();
_moduleBuilder = moduleBuilder;
_className = className;
_interfaceType = interfaceType;
_innerType = innerType;
_typeBuilder = _moduleBuilder.DefineType(
_className,
TypeAttributes.Public |
TypeAttributes.Class |
TypeAttributes.AutoClass |
TypeAttributes.AnsiClass |
TypeAttributes.BeforeFieldInit |
TypeAttributes.AutoLayout,
typeof(object),
new Type[] {_interfaceType});
_innerFieldBuilder = _typeBuilder.DefineField("inner", _innerType, FieldAttributes.Private);
}
public InterfaceImplementation(
TypeBuilder typeBuilder,
Type @interface,
FieldBuilder proxyInterceptionPipelineField,
bool explicitImplementation)
: this(typeBuilder, @interface, proxyInterceptionPipelineField, explicitImplementation, null)
{ }
public void ImplementProxy(TypeBuilder typeBuilder)
{
typeBuilder.AddInterfaceImplementation(typeof (IProxy));
InterceptorField = typeBuilder
.DefineField("__interceptor",
typeof (Proxy.DynamicProxy.IInterceptor),
FieldAttributes.Private);
var getterMethod = typeBuilder
.DefineMethod("get_Interceptor",
InterceptorMethodsAttributes,
CallingConventions.HasThis,
typeof (Proxy.DynamicProxy.IInterceptor),
new System.Type[0]);
getterMethod.SetImplementationFlags(MethodImplAttributes.IL);
var il = getterMethod.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, InterceptorField);
il.Emit(OpCodes.Ret);
var setterMethod = typeBuilder
.DefineMethod("set_Interceptor",
InterceptorMethodsAttributes,
CallingConventions.HasThis,
typeof (void),
new[] {typeof (Proxy.DynamicProxy.IInterceptor)});
setterMethod.SetImplementationFlags(MethodImplAttributes.IL);
il = setterMethod.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, InterceptorField);
il.Emit(OpCodes.Ret);
var originalSetter = typeof (IProxy).GetMethod("set_Interceptor");
var originalGetter = typeof (IProxy).GetMethod("get_Interceptor");
typeBuilder.DefineMethodOverride(setterMethod, originalSetter);
typeBuilder.DefineMethodOverride(getterMethod, originalGetter);
}
private void CompileMainClass(Node ActiveNode)
{
Emit.TypeBuilder _TypeBuilder =
TypeTable[ActiveNode.Nodes[1].Value];
Emit.MethodBuilder MethBuilder = _TypeBuilder.DefineMethod("Main", Reflect.MethodAttributes.Static, typeof(void), System.Type.EmptyTypes);
this.AssemblerGenerator = MethBuilder.GetILGenerator();
CurrentType = _TypeBuilder;
OpenBlockVariables();
CreateCode(ActiveNode.Nodes[14]);
CreateCode(ActiveNode.Nodes[15]);
CloseBlockVariables();
// Отладочные команды
AssemblerGenerator.Emit(Emit.OpCodes.Ldstr, "Programm was finished. Press Enter key to quit...");
AssemblerGenerator.Emit(Emit.OpCodes.Call,
typeof(System.Console).GetMethod("WriteLine", new System.Type[] { typeof(string) }));
AssemblerGenerator.Emit(Emit.OpCodes.Call,
typeof(System.Console).GetMethod("ReadLine", System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static, null, new System.Type[] { }, null));
AssemblerGenerator.Emit(Emit.OpCodes.Pop);
AssemblerGenerator.Emit(Emit.OpCodes.Ret);
CreatedTypeTable[ActiveNode.Nodes[1].Value] = _TypeBuilder.CreateType();
ModBuilder.CreateGlobalFunctions();
AsmBuilder.SetEntryPoint(MethBuilder);
}
/// <summary>
/// Creates a <see cref="MethodBuilder"/> and implements a default wrapper.
/// </summary>
/// <param name="owner">The type that will own this method.</param>
/// <param name="interfaceType">Type of interface implemented by the <paramref name="owner"/>.</param>
/// <param name="overrideMethod">Method to override.</param>
/// <param name="fieldBuilders">Fields specified by the <see paramref="owner"/>.</param>
/// <returns>MethodBuilder with an already implemented wrapper.</returns>
public MethodBuilder GenerateInvocation(TypeBuilder owner, Type interfaceType, MethodInfo overrideMethod, IEnumerable<FieldBuilder> fieldBuilders)
{
var result = owner.DefineMethod
(
overrideMethod.Name,
MethodAttributes.Private | MethodAttributes.Virtual | MethodAttributes.Final |
MethodAttributes.HideBySig | MethodAttributes.NewSlot,
overrideMethod.ReturnType,
overrideMethod.GetParameters().OrderBy(p => p.Position).Select(t => t.ParameterType).ToArray()
);
result.SetImplementationFlags(MethodImplAttributes.AggressiveInlining);
var generator = result.GetILGenerator();
var fieldName = LibraryInterfaceMapper.GetFieldNameForMethodInfo(overrideMethod);
var field = fieldBuilders.First(f => f.Name == fieldName);
var parameters = overrideMethod.GetParameters();
OnInvokeBegin(owner, interfaceType, generator, overrideMethod);
generator.Emit(OpCodes.Ldarg_0); // this
generator.Emit(OpCodes.Ldfld, field); // MethodNameProc _glMethodName. Initialized by constructor.
foreach (var item in parameters.Where(p => !p.IsRetval).Select((p, i) => new { Type = p, Index = i }))
{
generator.Emit(OpCodes.Ldarg, item.Index + 1);
}
generator.EmitCall(OpCodes.Callvirt, field.FieldType.GetMethod("Invoke"), null);
OnInvokeEnd(owner, interfaceType, generator, overrideMethod);
generator.Emit(OpCodes.Ret);
owner.DefineMethodOverride(result, overrideMethod);
return result;
}
private static void BuildStringProperty(TypeBuilder typeBuilder, string property)
{
//implement properties from interface
FieldBuilder fieldBuilder = typeBuilder.DefineField(property.ToLower(), typeof(string), FieldAttributes.Private);
PropertyBuilder propertyBuilder = typeBuilder.DefineProperty(property, PropertyAttributes.HasDefault, typeof(string), null);
const MethodAttributes getSetAttributes = MethodAttributes.Public | MethodAttributes.SpecialName |
MethodAttributes.HideBySig | MethodAttributes.Virtual;
//define 'get' accessor
MethodBuilder getPropertyBuilder = typeBuilder.DefineMethod("get_" + property, getSetAttributes, typeof(string),
Type.EmptyTypes);
//create IL code for get
ILGenerator genusGetIL = getPropertyBuilder.GetILGenerator();
genusGetIL.Emit(OpCodes.Ldarg_0);
genusGetIL.Emit(OpCodes.Ldfld, fieldBuilder);
genusGetIL.Emit(OpCodes.Ret);
//define 'set' accessor
MethodBuilder setPropertyBuilder = typeBuilder.DefineMethod("set_" + property, getSetAttributes, null,
new[] { typeof(String) });
//create IL code for set
ILGenerator genusSetIL = setPropertyBuilder.GetILGenerator();
genusSetIL.Emit(OpCodes.Ldarg_0);
genusSetIL.Emit(OpCodes.Ldarg_1);
genusSetIL.Emit(OpCodes.Stfld, fieldBuilder);
genusSetIL.Emit(OpCodes.Ret);
//map get and set to property 'methods'
propertyBuilder.SetGetMethod(getPropertyBuilder);
propertyBuilder.SetSetMethod(setPropertyBuilder);
}
public CodeGen(Stmt stmt, string moduleName)
{
if (IO.Path.GetFileName(moduleName) != moduleName)
{
throw new System.Exception("can only output into current directory!");
}
Reflect.AssemblyName name = new Reflect.AssemblyName(IO.Path.GetFileNameWithoutExtension(moduleName));
Emit.AssemblyBuilder asmb = System.AppDomain.CurrentDomain.DefineDynamicAssembly(name, Emit.AssemblyBuilderAccess.Save);
Emit.ModuleBuilder modb = asmb.DefineDynamicModule(moduleName);
Emit.TypeBuilder typeBuilder = modb.DefineType("Foo");
Emit.MethodBuilder methb = typeBuilder.DefineMethod("Main", Reflect.MethodAttributes.Static, typeof(void), System.Type.EmptyTypes);
// CodeGenerator
this.il = methb.GetILGenerator();
this.symbolTable = new Collections.Dictionary <string, Emit.LocalBuilder>();
// Go Compile!
this.GenStmt(stmt);
il.Emit(Emit.OpCodes.Ret);
typeBuilder.CreateType();
modb.CreateGlobalFunctions();
asmb.SetEntryPoint(methb);
asmb.Save(moduleName);
this.symbolTable = null;
this.il = null;
}
private static FieldBuilder CréeAttributs(TypeBuilder constructeurDeType, DataColumn colonne)
{
FieldBuilder champBldr = null;
PropertyBuilder constructeurPropriété;
#region Création de l'attribut
champBldr = constructeurDeType.DefineField(colonne.ColumnName.ToLower(), colonne.DataType, FieldAttributes.Private);
#endregion
#region Création de la Propriété associée
constructeurPropriété = constructeurDeType.DefineProperty(colonne.ColumnName, System.Reflection.PropertyAttributes.HasDefault, colonne.DataType, null);
// Choix des attributs
MethodAttributes attrGetSet = MethodAttributes.Public |
MethodAttributes.SpecialName | MethodAttributes.HideBySig;
#region Définition du "getter".
MethodBuilder constructeurGet = constructeurDeType.DefineMethod("get_" + colonne.ColumnName, attrGetSet, colonne.DataType, Type.EmptyTypes);
ILGenerator champGetIL = constructeurGet.GetILGenerator();
champGetIL.Emit(OpCodes.Ldarg_0);
champGetIL.Emit(OpCodes.Ldfld, champBldr);
champGetIL.Emit(OpCodes.Ret);
#endregion
#region Définition du "setter".
MethodBuilder constructeurSet = constructeurDeType.DefineMethod("set_" + colonne.ColumnName, attrGetSet, null, new Type[] { colonne.DataType });
ILGenerator champSetIL = constructeurSet.GetILGenerator();
champSetIL.Emit(OpCodes.Ldarg_0);
champSetIL.Emit(OpCodes.Ldarg_1);
champSetIL.Emit(OpCodes.Stfld, champBldr);
champSetIL.Emit(OpCodes.Ret);
#endregion
#region Association des accesseurs à la propriété
constructeurPropriété.SetGetMethod(constructeurGet);
constructeurPropriété.SetSetMethod(constructeurSet);
#endregion
#endregion
return champBldr;
}
public void ImplementProxy(TypeBuilder typeBuilder)
{
// Implement the IProxy interface
typeBuilder.AddInterfaceImplementation(typeof (IProxy));
field = typeBuilder.DefineField("__interceptor", typeof (IInterceptor), FieldAttributes.Private);
// Implement the getter
MethodBuilder getterMethod = typeBuilder.DefineMethod("get_Interceptor", InterceptorMethodsAttributes, CallingConventions.HasThis, typeof(IInterceptor), new System.Type[0]);
getterMethod.SetImplementationFlags(MethodImplAttributes.Managed | MethodImplAttributes.IL);
ILGenerator IL = getterMethod.GetILGenerator();
// This is equivalent to:
// get { return __interceptor;
IL.Emit(OpCodes.Ldarg_0);
IL.Emit(OpCodes.Ldfld, field);
IL.Emit(OpCodes.Ret);
// Implement the setter
MethodBuilder setterMethod = typeBuilder.DefineMethod("set_Interceptor", InterceptorMethodsAttributes, CallingConventions.HasThis, typeof (void), new[] {typeof (IInterceptor)});
setterMethod.SetImplementationFlags(MethodImplAttributes.Managed | MethodImplAttributes.IL);
IL = setterMethod.GetILGenerator();
IL.Emit(OpCodes.Ldarg_0);
IL.Emit(OpCodes.Ldarg_1);
IL.Emit(OpCodes.Stfld, field);
IL.Emit(OpCodes.Ret);
MethodInfo originalSetter = typeof (IProxy).GetMethod("set_Interceptor");
MethodInfo originalGetter = typeof (IProxy).GetMethod("get_Interceptor");
typeBuilder.DefineMethodOverride(setterMethod, originalSetter);
typeBuilder.DefineMethodOverride(getterMethod, originalGetter);
}
public static MethodBuilder GenerateStaticSerializerStub(TypeBuilder tb, Type type)
{
var mb = tb.DefineMethod("Serialize", MethodAttributes.Public | MethodAttributes.Static, null, new Type[] { typeof(Stream), type });
mb.DefineParameter(1, ParameterAttributes.None, "stream");
mb.DefineParameter(2, ParameterAttributes.None, "value");
return mb;
}
private void DefineClassVaribale(Emit.TypeBuilder typeBuilder, TypeDeclaration _type)
{
fieldList = new Dictionary <string, Emit.FieldBuilder>();
Emit.FieldBuilder classVariable;
foreach (KeyValuePair <string, Type> para in _type.instanceVariable)
{
classVariable = typeBuilder.DefineField(para.Key,
para.Value,
FieldAttributes.Private);
fieldList.Add(para.Key, classVariable);
}
foreach (KeyValuePair <string, Type> para in _type.classVariable)
{
classVariable = typeBuilder.DefineField(para.Key,
para.Value,
FieldAttributes.Private | FieldAttributes.Static);
fieldList.Add(para.Key, classVariable);
}
//mthdIL.Emit(OpCodes.Ldarg_0);
//mthdIL.Emit(OpCodes.Ldarg_0);
//mthdIL.Emit(OpCodes.Ldfld, balanceAmtBldr);
//mthdIL.Emit(OpCodes.Ldarg_2);
//mthdIL.Emit(OpCodes.Add);
}
public TypeGen(TypeDeclaration typeDec, Emit.ModuleBuilder modb, string dllProbeDirectory, AssemblyGen parent)
{
methodList = new List <System.Reflection.Emit.MethodBuilder>();
typeBuilder = modb.DefineType(typeDec.TypeName, TypeAttributes.Public);
this.parent = parent;
this.typeDec = typeDec;
}
/// <summary>
/// Creates a new instance of the method builder.
/// </summary>
/// <param name="typeBuilder">The type builder to use.</param>
/// <param name="aopProxyGenerator">
/// The <see cref="IAopProxyTypeGenerator"/> implementation to use.
/// </param>
/// <param name="targetMethods">
///
/// </param>
/// <param name="index">index of the introduction to delegate call to</param>
public IntroductionProxyMethodBuilder(
TypeBuilder typeBuilder, IAopProxyTypeGenerator aopProxyGenerator,
IDictionary targetMethods, int index)
: base(typeBuilder, aopProxyGenerator, true, targetMethods)
{
this.index = index;
}
public static void DefineInterface(TypeBuilder typeBuilder, Type interfaceType, Type implementType,
Action<ILGenerator, MethodInfo, MethodInfo> ilGenerator)
{
var proxyMethodBuilder = new ProxyMethodBuilder(typeBuilder);
InterfaceMapping mapping = implementType.GetInterfaceMap(interfaceType);
for (int i = 0; i < mapping.InterfaceMethods.Length; i++)
mapping.TargetMethods[i] = proxyMethodBuilder.DefineMethod(mapping.InterfaceMethods[i],
il => ilGenerator(il, mapping.InterfaceMethods[i], mapping.TargetMethods[i]));
foreach (PropertyInfo propertyInfo in interfaceType.GetProperties())
{
MethodBuilder getMethodBuilder = null;
MethodInfo getMethodInfo = propertyInfo.GetGetMethod();
if (getMethodInfo != null)
getMethodBuilder = (MethodBuilder)GetTargetMethodInfo(ref mapping, getMethodInfo);
MethodBuilder setMethodBuilder = null;
MethodInfo setMethodInfo = propertyInfo.GetSetMethod();
if (setMethodInfo != null)
setMethodBuilder = (MethodBuilder)GetTargetMethodInfo(ref mapping, setMethodInfo);
ProxyBuilderHelper.DefineProperty(typeBuilder, propertyInfo, getMethodBuilder, setMethodBuilder);
}
foreach (EventInfo eventInfo in interfaceType.GetEvents())
{
var addMethodBuilder = (MethodBuilder)GetTargetMethodInfo(ref mapping, eventInfo.GetAddMethod());
var removeMethodBuilder = (MethodBuilder)GetTargetMethodInfo(ref mapping, eventInfo.GetRemoveMethod());
ProxyBuilderHelper.DefineEvent(typeBuilder, eventInfo, addMethodBuilder, removeMethodBuilder);
}
}
public Type CreateType(TypeBuilder typeBuilder)
{
Type proxyType = typeBuilder.CreateType();
((AssemblyBuilder)typeBuilder.Assembly).Save("ProxyAssembly.dll");
AssemblyAssert.IsValidAssembly("ProxyAssembly.dll");
return proxyType;
}
/// <summary>
/// 动态创建类的属性
/// </summary>
/// <param name="tb">承载该属性的类型</param>
/// <param name="properityName">属性名，首字母应大写</param>
/// <param name="properityType">属性数据类型</param>
public static FieldBuilder createProperty(TypeBuilder tb, string propertyName, Type propertyType)
{
//定义属性对应的私有字段
FieldBuilder fieldBuilder = tb.DefineField("_" + propertyName, propertyType, FieldAttributes.Private);
//定义属性
PropertyBuilder propertyBuilder = tb.DefineProperty(propertyName, PropertyAttributes.HasDefault, propertyType, null);
//定义与属性相关的get方法
MethodBuilder getPropMthdBldr = tb.DefineMethod("get_" + propertyName,
MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig,
propertyType,
Type.EmptyTypes);
ILGenerator getIL = getPropMthdBldr.GetILGenerator();//获取il 生成器
getIL.Emit(OpCodes.Ldarg_0);
getIL.Emit(OpCodes.Ldfld, fieldBuilder);
getIL.Emit(OpCodes.Ret);
//定义与属性相关的set方法
MethodBuilder setPropMthdBldr = tb.DefineMethod("set_" + propertyName,
MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig,
null, new Type[] { propertyType });
ILGenerator setIL = setPropMthdBldr.GetILGenerator();
/*
* OpCodes.Ldarg_0:Ldarg是加载方法参数的意思。这里Ldarg_0事实上是对当前对象的引用即this。
* 因为类的实例方法（非静态方法）在调用时，this 是会作为第一个参数传入的。
*/
setIL.Emit(OpCodes.Ldarg_0);
setIL.Emit(OpCodes.Ldarg_1);//OpCodes.Ldarg_1:加载参数列表的第一个参数了。
setIL.Emit(OpCodes.Stfld, fieldBuilder);//OpCodes.Stfld:用新值替换在对象引用或指针的字段中存储的值。
setIL.Emit(OpCodes.Ret);
//把get/set方法和属性联系起来
propertyBuilder.SetGetMethod(getPropMthdBldr);
propertyBuilder.SetSetMethod(setPropMthdBldr);
return fieldBuilder;
}
private static void CreateProperty(string name, TypeBuilder tb, MethodInfo bgcmi, MethodInfo bscmi)
{
// define getter
var gmb = tb.DefineMethod("get_" + name,
MethodAttributes.SpecialName | MethodAttributes.HideBySig | MethodAttributes.Public,
typeof(string),
null);
var g = gmb.GetILGenerator();
g.Emit(OpCodes.Ldarg_0);
g.Emit(OpCodes.Ldstr, name);
g.Emit(OpCodes.Call, bgcmi);
g.Emit(OpCodes.Ret);
// define setter
var smb = tb.DefineMethod("set_" + name,
MethodAttributes.SpecialName | MethodAttributes.HideBySig | MethodAttributes.Public,
null,
new Type[] { typeof(string) });
g = smb.GetILGenerator();
g.Emit(OpCodes.Ldarg_0);
g.Emit(OpCodes.Ldstr, name);
g.Emit(OpCodes.Ldarg_1);
g.Emit(OpCodes.Call, bscmi);
g.Emit(OpCodes.Ret);
// define properties
var pb = tb.DefineProperty(name, PropertyAttributes.None, typeof(string), null);
pb.SetGetMethod(gmb);
pb.SetSetMethod(smb);
}
public static EventBrokerResolvedType ResolveType(IMemberMap<EventInfo> memberMap, TypeBuilder typeBuilder)
{
Type[] @params = null;
Type delegateType = null;
Type[] delegateParameters = null;
var @event = memberMap.ContractMember;
var declaringType = memberMap.ContractType;
var invokeMethod = @event.GetInvokeMethod();
var invokeReturnType = invokeMethod.ReturnType;
var eventBrokerResolvedType = new EventBrokerResolvedType(@event) {
DecalringType = declaringType
};
if (invokeMethod.GetDelegateParams(out @params, out delegateParameters)) {
delegateType = @params.GetDelegateType(true);
eventBrokerResolvedType.EventInterceptionContractArgs = @event.ToEventArgumentContract(@params);
eventBrokerResolvedType.EventInterceptionArgs = declaringType.MakeGenericFunctionAspectArgsEvent(@params);
eventBrokerResolvedType.EventBrokerBaseClassType = declaringType.MakeGenericEventBrokerBaseClassFunctionBinding(@params);
eventBrokerResolvedType.EventBrokerInvokeDelegateType = typeof(Func<,>).MakeGenericType(new[] { eventBrokerResolvedType.EventInterceptionContractArgs, invokeReturnType });
}
else {
delegateType = delegateParameters.GetDelegateType(false);
eventBrokerResolvedType.EventInterceptionContractArgs = @event.ToEventArgumentContract(delegateParameters);
eventBrokerResolvedType.EventInterceptionArgs = declaringType.MakeGenericActionAspectArgsEvent(delegateParameters);
eventBrokerResolvedType.EventBrokerBaseClassType = declaringType.MakeGenericEventBrokerBaseClassActionType(delegateParameters);
eventBrokerResolvedType.EventBrokerInvokeDelegateType = typeof(Action<>).MakeGenericType(new[] { eventBrokerResolvedType.EventInterceptionContractArgs });
}
eventBrokerResolvedType.Arguments = delegateParameters;
eventBrokerResolvedType.EventBrokerFieldType = typeof(IEventBroker<>).MakeGenericType(delegateType);
return eventBrokerResolvedType;
}
private static void CreateProperty(System.Reflection.Emit.TypeBuilder tb, string propertyName, Type propertyType)
{
FieldBuilder fieldBuilder = tb.DefineField("_" + propertyName, propertyType, FieldAttributes.Private);
PropertyBuilder propertyBuilder = tb.DefineProperty(propertyName, PropertyAttributes.HasDefault, propertyType, null);
MethodBuilder getPropMthdBldr = tb.DefineMethod("get_" + propertyName, MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig, propertyType, Type.EmptyTypes);
ILGenerator getIl = getPropMthdBldr.GetILGenerator();
getIl.Emit(OpCodes.Ldarg_0);
getIl.Emit(OpCodes.Ldfld, fieldBuilder);
getIl.Emit(OpCodes.Ret);
MethodBuilder setPropMthdBldr =
tb.DefineMethod("set_" + propertyName,
MethodAttributes.Public |
MethodAttributes.SpecialName |
MethodAttributes.HideBySig,
null, new[] { propertyType });
ILGenerator setIl = setPropMthdBldr.GetILGenerator();
Label modifyProperty = setIl.DefineLabel();
Label exitSet = setIl.DefineLabel();
setIl.MarkLabel(modifyProperty);
setIl.Emit(OpCodes.Ldarg_0);
setIl.Emit(OpCodes.Ldarg_1);
setIl.Emit(OpCodes.Stfld, fieldBuilder);
setIl.Emit(OpCodes.Nop);
setIl.MarkLabel(exitSet);
setIl.Emit(OpCodes.Ret);
propertyBuilder.SetGetMethod(getPropMthdBldr);
propertyBuilder.SetSetMethod(setPropMthdBldr);
}
private FieldInfo[] GenerateProperties( TypeBuilder tb , DynamicProperty[] properties ) {
FieldInfo[] fields = new FieldBuilder[properties.Length];
for ( int i = 0 ; i < properties.Length ; i++ ) {
DynamicProperty dp = properties[i];
FieldBuilder fb = tb.DefineField( "_" + dp.Name , dp.Type , FieldAttributes.Private );
PropertyBuilder pb = tb.DefineProperty( dp.Name , PropertyAttributes.HasDefault , dp.Type , null );
MethodBuilder mbGet = tb.DefineMethod( "get_" + dp.Name ,
MethodAttributes.Public | MethodAttributes.SpecialName |
MethodAttributes.HideBySig ,
dp.Type , Type.EmptyTypes );
ILGenerator genGet = mbGet.GetILGenerator();
genGet.Emit( OpCodes.Ldarg_0 );
genGet.Emit( OpCodes.Ldfld , fb );
genGet.Emit( OpCodes.Ret );
MethodBuilder mbSet = tb.DefineMethod( "set_" + dp.Name ,
MethodAttributes.Public | MethodAttributes.SpecialName |
MethodAttributes.HideBySig ,
null , new[] { dp.Type } );
ILGenerator genSet = mbSet.GetILGenerator();
genSet.Emit( OpCodes.Ldarg_0 );
genSet.Emit( OpCodes.Ldarg_1 );
genSet.Emit( OpCodes.Stfld , fb );
genSet.Emit( OpCodes.Ret );
pb.SetGetMethod( mbGet );
pb.SetSetMethod( mbSet );
fields[i] = fb;
}
return fields;
}
private void GenerateFunction(TypeBuilder typeBuilder, out MethodBuilder methodBuilder)
{
methodBuilder = null;
ProgramDeclBlock pdb = this.expr as ProgramDeclBlock;
if (pdb != null)
{
foreach (var function in pdb.Statements)
{
var functionDecl = function as BlockDeclExpr;
if (functionDecl != null)
{
bool isMain = functionDecl.IsMain;
var parameters = functionDecl.Parameters;
Expr mainFunctionParameters = null;
if (isMain)
{
mainFunctionParameters =
GenerateMainMethod(
typeBuilder,
functionDecl,
parameters,
mainFunctionParameters,
out methodBuilder);
}
}
}
}
}
public PropertyEmitter(TypeBuilder owner, string name, Type propertyType, FieldBuilder propertyChangedField) {
this.owner = owner;
this.propertyChangedField = propertyChangedField;
fieldBuilder = owner.DefineField(String.Format("<{0}>", name), propertyType, FieldAttributes.Private);
getterBuilder = owner.DefineMethod(String.Format("get_{0}", name), MethodAttributes.Public|MethodAttributes.Virtual|MethodAttributes.HideBySig|MethodAttributes.SpecialName, propertyType, Type.EmptyTypes);
ILGenerator getterIl = getterBuilder.GetILGenerator();
getterIl.Emit(OpCodes.Ldarg_0);
getterIl.Emit(OpCodes.Ldfld, fieldBuilder);
getterIl.Emit(OpCodes.Ret);
setterBuilder = owner.DefineMethod(String.Format("set_{0}", name), MethodAttributes.Public|MethodAttributes.Virtual|MethodAttributes.HideBySig|MethodAttributes.SpecialName, typeof(void), new[] {propertyType});
ILGenerator setterIl = setterBuilder.GetILGenerator();
setterIl.Emit(OpCodes.Ldarg_0);
setterIl.Emit(OpCodes.Ldarg_1);
setterIl.Emit(OpCodes.Stfld, fieldBuilder);
if (propertyChangedField != null) {
setterIl.Emit(OpCodes.Ldarg_0);
setterIl.Emit(OpCodes.Dup);
setterIl.Emit(OpCodes.Ldfld, propertyChangedField);
setterIl.Emit(OpCodes.Ldstr, name);
setterIl.Emit(OpCodes.Call, proxyBase_NotifyPropertyChanged);
}
setterIl.Emit(OpCodes.Ret);
propertyBuilder = owner.DefineProperty(name, PropertyAttributes.None, propertyType, null);
propertyBuilder.SetGetMethod(getterBuilder);
propertyBuilder.SetSetMethod(setterBuilder);
}
static void DefineDelegateFieldAndOverride(TypeBuilder tb, int numArgs)
{
Type fieldType = FuncTypeHelpers.GetFFuncType(numArgs);
string fieldName = "_fn" + numArgs;
FieldBuilder fb = tb.DefineField(fieldName, fieldType, FieldAttributes.Public);
MethodBuilder mb = tb.DefineMethod("invoke", MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.Virtual, typeof(object), CreateObjectTypeArray(numArgs));
ILGenerator gen = mb.GetILGenerator();
Label eqLabel = gen.DefineLabel();
// this._fni == null ?
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, fb);
gen.Emit(OpCodes.Ldnull);
gen.Emit(OpCodes.Beq, eqLabel);
//Not equal to Null, invoke it.
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldfld, fb);
for (int i = 0; i < numArgs; i++)
gen.Emit(OpCodes.Ldarg, i+1);
gen.Emit(OpCodes.Call,fb.FieldType.GetMethod("Invoke"));
gen.Emit(OpCodes.Ret);
gen.MarkLabel(eqLabel);
// Equal to Null: throw WrongArityException
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Call, Method_AFn_WrongArityException);
gen.Emit(OpCodes.Throw);
}
public ProxyClassBuildingContext(Type interfaceType, string path, TypeBuilder builder, ProxyClassFieldCache fields)
{
Fields = fields;
Builder = builder;
Path = path;
InterfaceType = interfaceType;
}
protected override void Implement(DynamicTypeBuilder config, System.Reflection.Emit.TypeBuilder typeBuilder, ILGenerator il)
{
var evt = config.DynamicMembers.OfType <DynamicEvent>().Where(p => p.MemberName == "PropertyChanged").FirstOrDefault();
if (evt == null)
{
#if NETSTANDARD1_6
throw new MissingMemberException($"Missiong member PropertyChanged on type {typeBuilder.Name}.");
#else
throw new MissingMemberException(typeBuilder.Name, "PropertyChanged");
#endif
}
var endLabel = il.DefineLabel();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, evt.BackingField);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Ceq);
il.Emit(OpCodes.Brtrue_S, endLabel);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, evt.BackingField);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Newobj, typeof(PropertyChangedEventArgs).GetConstructor(new[] { typeof(string) }));
il.Emit(OpCodes.Callvirt, typeof(PropertyChangedEventHandler).GetMethod("Invoke"));
il.MarkLabel(endLabel);
il.Emit(OpCodes.Ret);
}
protected override void Implement(DynamicTypeBuilder config, System.Reflection.Emit.TypeBuilder typeBuilder, System.Reflection.Emit.ILGenerator il)
{
var convention = config.Conventions.OfType <TransactionProxyConvention>().First();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, convention.TargetsField.Field);
il.Emit(OpCodes.Ret);
}
private Emit.MethodBuilder GenerateMethod(Emit.TypeBuilder typeBuilder, MethodDeclaration method)
{
Emit.MethodBuilder methb = typeBuilder.DefineMethod(method.MethodName, Reflect.MethodAttributes.Static, typeof(void), System.Type.EmptyTypes);
this.il = methb.GetILGenerator();
this.symbolTable = new Collections.Dictionary <string, Emit.LocalBuilder>();
this.GenStmt(method.stmt);
return(methb);
}
public TypeBuilder(
string TypeName,
TypeAttributes TypeAttribute)
{
myAsmBuilder =
AssemblyBuilder.DefineDynamicAssembly(myAsmName, AssemblyBuilderAccess.Run);
myModBuilder = myAsmBuilder.DefineDynamicModule(myAsmName.Name);
myTypeBuilder = myModBuilder.DefineType(TypeName, TypeAttribute);
}
protected override void Implement(DynamicTypeBuilder config, System.Reflection.Emit.TypeBuilder typeBuilder, System.Reflection.Emit.ILGenerator il)
{
var convention = config.Conventions.OfType <TransactionProxyConvention>().First();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.EmitCall(OpCodes.Callvirt, convention.GetValueEntiresTypedMethod.Method, null);
il.Emit(OpCodes.Ret);
}
public TypeBuilder Inicialize(string typeName, TypeAttributes typeAttributes, Type[] implementedInterfaces)
{
if (string.IsNullOrWhiteSpace(typeName))
{
throw new ArgumentException("Parameter cannot be empty!", nameof(typeName));
}
_typeBuilder = _moduleBuilder.DefineType(typeName, typeAttributes, null, implementedInterfaces);
return(this);
}
private void CompileClassDecl(Node ActiveNode)
{
Emit.TypeBuilder _TypeBuilder = TypeTable[ActiveNode.Nodes[1].Value];
CurrentType = _TypeBuilder;
OpenBlockVariables();
CreateCode(ActiveNode.Nodes[3]);
CloseBlockVariables();
CreateCode(ActiveNode.Nodes[4]);
CreatedTypeTable[ActiveNode.Nodes[1].Value] = _TypeBuilder.CreateType();
}
///// <summary>
///// Creates a delegate that does type conversion and calls the method represented by this
///// object.
///// </summary>
///// <param name="argumentTypes"> The types of the arguments that will be passed to the delegate. </param>
///// <returns> A delegate that does type conversion and calls the method represented by this
///// object. </returns>
//internal BinderDelegate CreateBinder<T>()
//{
// // Delegate types have an Invoke method containing the relevant parameters.
// MethodInfo adapterInvokeMethod = typeof(T).GetMethod("Invoke", BindingFlags.Public | BindingFlags.Instance);
// if (adapterInvokeMethod == null)
// throw new ArgumentException("The type parameter T must be delegate type.", "T");
// // Get the argument types.
// Type[] argumentTypes = adapterInvokeMethod.GetParameters().Select(p => p.ParameterType).ToArray();
// // Create the binder.
// return this.callBinder.CreateBinder(argumentTypes);
//}
#if !XBOX
/// <summary>
/// Compile the ClrFunction's Binder methods to IL
/// </summary>
/// <param name="typeBuilder">The TypeBuilder to attach the compiled Binder methods to</param>
public void CompileBinder(System.Reflection.Emit.TypeBuilder typeBuilder)
{
if (this.callBinder != null)
{
this.callBinder.Compile(this.Engine, typeBuilder);
}
if (this.constructBinder != null)
{
this.constructBinder.Compile(this.Engine, typeBuilder);
}
}
public override void GenerateCode(ModuleBuilder moduleBuilder, System.Reflection.Emit.TypeBuilder program, ILGenerator generator)
{
var END = generator.DefineLabel();
var T = generator.DefineLabel(); /* true */
var F = generator.DefineLabel(); /* false */
//--------------------------------------------------
// [Stack Status]
// 1. l_operand
// (...)
//--------------------------------------------------
this.LeftOperandNode.GenerateCode(moduleBuilder, program, generator);
//--------------------------------------------------
// [Stack Status]
// (...)
//--------------------------------------------------
generator.Emit(OpCodes.Brfalse, F);
//--------------------------------------------------
// [Stack Status]
// 1. r_operand
// (...)
//--------------------------------------------------
this.RightOperandNode.GenerateCode(moduleBuilder, program, generator);
//--------------------------------------------------
// [Stack Status]
// (...)
//--------------------------------------------------
generator.Emit(OpCodes.Brfalse, F);
generator.MarkLabel(T);
//--------------------------------------------------
// [Stack Status]
// 1. 1 { true }
// (...)
//--------------------------------------------------
generator.Emit(OpCodes.Ldc_I4, 1);
generator.Emit(OpCodes.Br, END);
generator.MarkLabel(F);
//--------------------------------------------------
// [Stack Status]
// 1. 0 { false }
// (...)
//--------------------------------------------------
generator.Emit(OpCodes.Ldc_I4, 0);
generator.MarkLabel(END);
}
public ILCodeGen(string name)
{
this.symtab = Symboltable.Instance;
this.program_name = name;
this.asname = new Reflect.AssemblyName(name);
this.asmb = System.AppDomain.CurrentDomain.DefineDynamicAssembly(asname, Emit.AssemblyBuilderAccess.Save);
this.modb = asmb.DefineDynamicModule(name);
this.typeBuilder = modb.DefineType("fpc2IL");
this.mbuilderTable = new Hashtable();
this.fbuilderTable = new Hashtable();
this.lbuilderTable = new Hashtable();
}
protected override void Implement(DynamicTypeBuilder config, System.Reflection.Emit.TypeBuilder typeBuilder, System.Reflection.Emit.ILGenerator il)
{
var convention = config.Conventions.OfType <TransactionProxyConvention>().First();
var method = typeof(ITransactionProxy <>).MakeGenericType(convention.ItemType).GetMethod("SetTargets");
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Castclass, typeof(IEnumerable <>).MakeGenericType(convention.ItemType));
il.EmitCall(OpCodes.Callvirt, method, null);
il.Emit(OpCodes.Ret);
}
public override void CreateDeclarations(System.Reflection.Emit.TypeBuilder typeBuilder)
{
this.BaseMethod = typeBuilder.BaseType.GetMethods().OfType <MethodInfo>()
.Where(p => p.Name == this.MemberName)
.FirstOrDefault(p =>
p.ReturnType == this.MemberType &&
p.GetParameters().Length == this.ArgumentTypes.Count &&
p.GetParameters().Select((x, i) => new { Index = i, Type = x.ParameterType }).All(x => this.ArgumentTypes[x.Index] == x.Type));
if (BaseMethod != null && !BaseMethod.IsVirtual)
{
throw new MemberCreationException(this.MemberName, "The method has to be declared virtual on the base class.");
}
else if (BaseMethod != null)
{
IsOverride = true;
}
MethodAttributes methodAttributes = MethodAttributes.Public;
if (IsProtected)
{
methodAttributes = MethodAttributes.Family | MethodAttributes.Virtual | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
}
else
{
methodAttributes = MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
}
var implementationAttributes = MethodAttributes.Private | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
Method = typeBuilder.DefineMethod(this.MemberName, methodAttributes);
ImplementationMethod = typeBuilder.DefineMethod(string.Format("{0}_Implementation", this.MemberName), implementationAttributes);
var genericParameters = GetGenericArguments().ToList();
if (genericParameters.Any())
{
this._genericParameters.AddRange(Method.DefineGenericParameters(genericParameters.ToArray()));
this._genericImplementationParameters.AddRange(ImplementationMethod.DefineGenericParameters(genericParameters.ToArray()));
}
this.Method.SetReturnType(TypeLookup(this.MemberType));
this.Method.SetParameters(TypeLookup(this.ArgumentTypes).ToArray());
this.ImplementationMethod.SetReturnType(ImplementationTypeLookup(this.MemberType));
this.ImplementationMethod.SetParameters(ImplementationTypeLookup(this.ArgumentTypes).ToArray());
if (IsOverride)
{
typeBuilder.DefineMethodOverride(this.Method, this.BaseMethod);
}
}
private static void CreateProperty(System.Reflection.Emit.TypeBuilder tb, string propertyName, Type propertyType, bool required)
{
if (propertyType.IsByRef)
{
//avoids an exception in code below when by ref parameters are used
propertyType = propertyType.GetElementType();
}
FieldBuilder fieldBuilder = tb.DefineField("_" + propertyName, propertyType, FieldAttributes.Private);
PropertyBuilder propertyBuilder = tb.DefineProperty(propertyName, PropertyAttributes.HasDefault, propertyType, null);
MethodBuilder getPropMthdBldr = tb.DefineMethod("get_" + propertyName,
MethodAttributes.Public | MethodAttributes.SpecialName |
MethodAttributes.HideBySig, propertyType, Type.EmptyTypes);
ILGenerator getIl = getPropMthdBldr.GetILGenerator();
getIl.Emit(OpCodes.Ldarg_0);
getIl.Emit(OpCodes.Ldfld, fieldBuilder);
getIl.Emit(OpCodes.Ret);
MethodBuilder setPropMthdBldr =
tb.DefineMethod("set_" + propertyName,
MethodAttributes.Public |
MethodAttributes.SpecialName |
MethodAttributes.HideBySig,
null, new[] { propertyType });
ILGenerator setIl = setPropMthdBldr.GetILGenerator();
Label modifyProperty = setIl.DefineLabel();
Label exitSet = setIl.DefineLabel();
setIl.MarkLabel(modifyProperty);
setIl.Emit(OpCodes.Ldarg_0);
setIl.Emit(OpCodes.Ldarg_1);
setIl.Emit(OpCodes.Stfld, fieldBuilder);
setIl.Emit(OpCodes.Nop);
setIl.MarkLabel(exitSet);
setIl.Emit(OpCodes.Ret);
Type[] ctorParams = { };
ConstructorInfo contructorInfo = typeof(DataMemberAttribute).GetConstructor(ctorParams);
CustomAttributeBuilder customAttrBuilder = new CustomAttributeBuilder(contructorInfo, new object[] { });
//TODO: set IsRequired here ??
propertyBuilder.SetCustomAttribute(customAttrBuilder);
propertyBuilder.SetGetMethod(getPropMthdBldr);
propertyBuilder.SetSetMethod(setPropMthdBldr);
}
/// <summary>
/// AddConstructor
/// </summary>
/// <param name="typeBuilder"></param>
/// <param name="backingFields"></param>
private static void CreateConstructor(System.Reflection.Emit.TypeBuilder typeBuilder, IReadOnlyList <dynamic> backingFields)
{
#region Constructor
//--------------------------------------------------------------------
// Constructor: (Default)
// <code>
// .custom instance void [Newtonsoft.Json]Newtonsoft.Json.JsonConverterAttribute::.ctor(class [mscorlib]System.Type) = { type(<NameSpace>.PayloadComplexTypeConverter) }
// .method public hidebysig specialname rtspecialname instance void .ctor() cil managed
// {
// }
// </code>
// Attribute:
// [JsonConverter(typeof(PayloadComplexTypeConverter))]
// Ctor attributes
/* Uncomment if needing similar functionality for nested duck types */
// Attribute:
// [JsonConverterAttribute()]
//var jsonConverterAttr = typeof(JsonConverterAttribute).GetConstructor(new [] { typeof(Type) });
//if (jsonConverterAttr != null) {
// // ReSharper disable once InconsistentNaming
// var jsonConverterCABuilder = new CustomAttributeBuilder(
// jsonConverterAttr,
// new object[] { typeof(PayloadComplexTypeConverter) }
// );
// typeBuilder.SetCustomAttribute(jsonConverterCABuilder);
//}
var constructorBuilder = typeBuilder.DefineConstructor(MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, CallingConventions.Standard, new[] { typeof(string), typeof(string), typeof(Dictionary <string, Type>) });
var ctorIl = constructorBuilder.GetILGenerator();
// Now, we'll load the current instance ref in arg 0, along
// with the value of parameter "x" stored in arg X, into stfld.
for (var x = 0; x < backingFields.Count; x++)
{
ctorIl.Emit(OpCodes.Ldarg_0);
ctorIl.Emit(OpCodes.Ldarg_S, x + 1);
ctorIl.Emit(OpCodes.Stfld, backingFields[x]);
}
// Our work complete, we return.
ctorIl.Emit(OpCodes.Ret);
//--------------------------------------------------------------------
#endregion Constructor
}
private void AddGetter(System.Reflection.Emit.TypeBuilder typeBuilder, FieldBuilder fieldBuilder, PropertyBuilder propertyBuilder)
{
MethodBuilder propertyGetter = typeBuilder.DefineMethod("get_" + _propertyName,
MethodAttributes.Public |
MethodAttributes.SpecialName |
MethodAttributes.HideBySig,
_propertyType, Type.EmptyTypes);
var ilGenerator = propertyGetter.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ldfld, fieldBuilder);
ilGenerator.Emit(OpCodes.Ret);
propertyBuilder.SetGetMethod(propertyGetter);
}
protected override void Implement(DynamicTypeBuilder config, System.Reflection.Emit.TypeBuilder typeBuilder, System.Reflection.Emit.ILGenerator il)
{
var convention = config.Conventions.OfType <TransactionProxyConvention>().First();
var listCtor = convention.TargetsField.MemberType.GetConstructor(new[] { typeof(IEnumerable <>).MakeGenericType(convention.ItemType) });
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Newobj, listCtor);
il.Emit(OpCodes.Stfld, convention.TargetsField.Field);
il.Emit(OpCodes.Ldarg_0);
il.EmitCall(OpCodes.Callvirt, typeof(ICommitable).GetMethod("Rollback"), null);
il.Emit(OpCodes.Ret);
}
/// <summary>把lcpi参数里的属性加入到myTypeBuilder中。注意:该操作会将其它成员清除掉,其功能有待完善。</summary>
/// <param name="typeBuilder">类型构造器的实例。</param>
/// <param name="cpis">里面包含属性列表的信息。</param>
private static void AddPropertyToTypeBuilder(System.Reflection.Emit.TypeBuilder typeBuilder, List <CustPropertyInfo> cpis)
{
PropertyBuilder custNamePropBldr;
MethodBuilder custNameGetPropMthdBldr;
MethodBuilder custNameSetPropMthdBldr;
MethodAttributes getSetAttr;
ILGenerator custNameGetIL;
ILGenerator custNameSetIL;
// 属性Set和Get方法要一个专门的属性。这里设置为Public。
getSetAttr = MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
// 添加属性到myTypeBuilder。
foreach (CustPropertyInfo cpi in cpis)
{
// 定义字段。
FieldBuilder customerNameBldr = typeBuilder.DefineField(cpi.FieldName, Type.GetType(cpi.Type), FieldAttributes.Private);
customerNameBldr.SetConstant("11111111");
// 定义属性。 最后一个参数为null,因为属性没有参数。
custNamePropBldr = typeBuilder.DefineProperty(cpi.PropertyName, PropertyAttributes.HasDefault, Type.GetType(cpi.Type), null);
custNamePropBldr.SetConstant("111111111");
// 定义Get方法。
custNameGetPropMthdBldr = typeBuilder.DefineMethod(cpi.GetPropertyMethodName, getSetAttr, Type.GetType(cpi.Type), Type.EmptyTypes);
custNameGetIL = custNameGetPropMthdBldr.GetILGenerator();
try
{
custNameGetIL.Emit(OpCodes.Ldarg_0);
//custNameGetIL.Emit(OpCodes.Ldfld, customerNameBldr);
custNameGetIL.Emit(OpCodes.Ldfld, customerNameBldr);
custNameGetIL.Emit(OpCodes.Ret);
}
catch
{
}
//定义Set方法。
custNameSetPropMthdBldr = typeBuilder.DefineMethod(cpi.SetPropertyMethodName, getSetAttr, null, new Type[] { Type.GetType(cpi.Type) });
custNameSetIL = custNameSetPropMthdBldr.GetILGenerator();
custNameSetIL.Emit(OpCodes.Ldarg_0);
custNameSetIL.Emit(OpCodes.Ldarg_1);
custNameSetIL.Emit(OpCodes.Stfld, customerNameBldr);
custNameSetIL.Emit(OpCodes.Ret);
//custNamePropBldr.SetConstant("ceshi");
//把创建的两个方法(Get,Set)加入到PropertyBuilder中。
custNamePropBldr.SetGetMethod(custNameGetPropMthdBldr);
custNamePropBldr.SetSetMethod(custNameSetPropMthdBldr);
}
}
private void AddSetter(System.Reflection.Emit.TypeBuilder typeBuilder, FieldBuilder fieldBuilder, PropertyBuilder propertyBuilder)
{
MethodBuilder propertySetter = typeBuilder.DefineMethod("set_" + _propertyName,
MethodAttributes.Public |
MethodAttributes.SpecialName |
MethodAttributes.HideBySig,
null, new Type[] { _propertyType });
var propertySetterIl = propertySetter.GetILGenerator();
propertySetterIl.Emit(OpCodes.Ldarg_0);
propertySetterIl.Emit(OpCodes.Ldarg_1);
propertySetterIl.Emit(OpCodes.Stfld, fieldBuilder);
propertySetterIl.Emit(OpCodes.Ret);
propertyBuilder.SetSetMethod(propertySetter);
}
public static Type CompileResultType(List <FieldInfo> listOfFields, string typeName)
{
System.Reflection.Emit.TypeBuilder tb = GetTypeBuilder(typeName);
ConstructorBuilder constructor = tb.DefineDefaultConstructor(MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName);
// NOTE: assuming your list contains Field objects with fields FieldName(string) and FieldType(Type)
foreach (var field in listOfFields)
{
CreateProperty(tb, field.Name, field.Type);
}
Type objectType = tb.CreateType();
return(objectType);
}
/// <summary>
/// Create property with explicit implementation of getter and setter, with no method defined.
/// </summary>
private PropertyDefinition AddProperty(TypeDefinition declaringType,
string name,
TypeReference propertyType,
string explicitPrefix,
PropertyInfo overridedProp)
{
var proxyPropDef = declaringType.DefineProperty(explicitPrefix + name,
PropertyAttributes.None | PropertyAttributes.SpecialName,
propertyType,
null);
const MethodAttributes methodAttributes = MethodAttributes.Private
| MethodAttributes.HideBySig
| MethodAttributes.NewSlot
| MethodAttributes.Virtual
| MethodAttributes.Final
| MethodAttributes.SpecialName;
var overridedGetMethod = overridedProp.GetGetMethod();
if (overridedGetMethod != null)
{
var proxyPropGetter = declaringType.DefineMethod(
$"{explicitPrefix}get_{name}",
methodAttributes,
propertyType,
Type.EmptyTypes);
declaringType.DefineMethodOverride(proxyPropGetter, overridedGetMethod);
proxyPropDef.SetGetMethod(proxyPropGetter);
}
var overridedSetMethod = overridedProp.GetSetMethod();
if (overridedSetMethod != null)
{
var proxyPropSetter = declaringType.DefineMethod(
$"{explicitPrefix}set_{name}",
methodAttributes,
null,
new[] { propertyType });
proxyPropSetter.DefineParameter(0, ParameterAttributes.None, "value");
declaringType.DefineMethodOverride(proxyPropSetter, overridedSetMethod);
proxyPropDef.SetSetMethod(proxyPropSetter);
}
return(proxyPropDef);
}
/// <summary>
/// Initializes a new instance of the <see cref="TypeBuilderHelper"/> class
/// with the specified parameters.
/// </summary>
/// <param name="assemblyBuilder">Associated <see cref="AssemblyBuilderHelper"/>.</param>
/// <param name="typeBuilder">A <see cref="TypeBuilder"/></param>
public TypeBuilderHelper(AssemblyBuilderHelper assemblyBuilder, System.Reflection.Emit.TypeBuilder typeBuilder)
{
if (assemblyBuilder == null)
{
throw new ArgumentNullException("assemblyBuilder");
}
if (typeBuilder == null)
{
throw new ArgumentNullException("typeBuilder");
}
_assembly = assemblyBuilder;
_typeBuilder = typeBuilder;
_typeBuilder.SetCustomAttribute(_assembly.BLToolkitAttribute);
}
