internal SymbolMethod(ModuleBuilder mod, MethodToken token, Type arrayClass, String methodName,
CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
{
// This is a kind of MethodInfo to represent methods for array type of unbaked type
// Another way to look at this class is as a glorified MethodToken wrapper. At the time of this comment
// this class is only constructed inside ModuleBuilder.GetArrayMethod and the only interesting thing
// passed into it is this MethodToken. The MethodToken was forged using a TypeSpec for an Array type and
// the name of the method on Array.
// As none of the methods on Array have CustomModifiers their is no need to pass those around in here.
m_mdMethod = token;
// The ParameterTypes are also a bit interesting in that they may be unbaked TypeBuilders.
m_returnType = returnType;
if (parameterTypes != null)
{
m_parameterTypes = new Type[parameterTypes.Length];
Array.Copy(parameterTypes, 0, m_parameterTypes, 0, parameterTypes.Length);
}
else
{
m_parameterTypes = EmptyArray<Type>.Value;
}
m_module = mod;
m_containingType = arrayClass;
m_name = methodName;
m_callingConvention = callingConvention;
m_signature = SignatureHelper.GetMethodSigHelper(
mod, callingConvention, returnType, null, null, parameterTypes, null, null);
}
private static IUnknownReleaseDelegate Create_IUnknownRelease()
{
DynamicMethod dm = new DynamicMethod("IUnknownRelease", typeof(int), new Type[] { typeof(IntPtr) }, DynamicModule);
ILGenerator method = dm.GetILGenerator();
// return functionPtr(...)
method.Emit(OpCodes.Ldarg_0);
// functionPtr = *(IntPtr*)(*(interfacePointer) + VTABLE_OFFSET)
int iunknownReleaseOffset = ((int)IDispatchMethodIndices.IUnknown_Release) * Marshal.SizeOf(typeof(IntPtr));
method.Emit(OpCodes.Ldarg_0);
method.Emit(OpCodes.Ldind_I);
method.Emit(OpCodes.Ldc_I4, iunknownReleaseOffset);
method.Emit(OpCodes.Add);
method.Emit(OpCodes.Ldind_I);
System.Reflection.Emit.SignatureHelper signature = System.Reflection.Emit.SignatureHelper.GetMethodSigHelper(CallingConvention.Winapi, typeof(int));
signature.AddArgument(typeof(IntPtr));
method.Emit(OpCodes.Calli, signature);
method.Emit(OpCodes.Ret);
return((IUnknownReleaseDelegate)dm.CreateDelegate(typeof(IUnknownReleaseDelegate)));
}
//***********************************************
//
// Constructor
//
//***********************************************
internal SymbolMethod(
ModuleBuilder mod,
MethodToken token,
Type arrayClass,
String methodName,
CallingConventions callingConvention,
Type returnType,
Type[] parameterTypes)
{
m_module = mod;
m_containingType = arrayClass;
m_name = methodName;
m_callingConvention = callingConvention;
m_returnType = returnType;
m_mdMethod = token;
if (parameterTypes != null)
{
m_parameterTypes = new Type[parameterTypes.Length];
Array.Copy(parameterTypes, m_parameterTypes, parameterTypes.Length);
}
else
m_parameterTypes = null;
m_signature = SignatureHelper.GetMethodSigHelper(mod, callingConvention, returnType, parameterTypes);
}
// 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;
}
internal static SignatureHelper GetMethodSpecSigHelper(Module scope, Type[] inst)
{
SignatureHelper sigHelp = new SignatureHelper(scope, MdSigCallingConvention.GenericInst);
sigHelp.AddData(inst.Length);
foreach(Type t in inst)
sigHelp.AddArgument(t);
return sigHelp;
}
internal PropertyBuilder(ModuleBuilder mod, string name, SignatureHelper sig, PropertyAttributes attr, Type returnType, System.Reflection.Emit.PropertyToken prToken, TypeBuilder containingType)
{
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");
}
this.m_name = name;
this.m_moduleBuilder = mod;
this.m_signature = sig;
this.m_attributes = attr;
this.m_returnType = returnType;
this.m_prToken = prToken;
this.m_tkProperty = prToken.Token;
this.m_containingType = containingType;
}
internal ILGenerator(MethodInfo methodBuilder, int size)
{
if (size < 0x10)
{
this.m_ILStream = new byte[0x10];
}
else
{
this.m_ILStream = new byte[size];
}
this.m_length = 0;
this.m_labelCount = 0;
this.m_fixupCount = 0;
this.m_labelList = null;
this.m_fixupData = null;
this.m_exceptions = null;
this.m_exceptionCount = 0;
this.m_currExcStack = null;
this.m_currExcStackCount = 0;
this.m_RelocFixupList = new int[0x40];
this.m_RelocFixupCount = 0;
this.m_RVAFixupList = new int[0x40];
this.m_RVAFixupCount = 0;
this.m_ScopeTree = new ScopeTree();
this.m_LineNumberInfo = new LineNumberInfo();
this.m_methodBuilder = methodBuilder;
this.m_localCount = 0;
MethodBuilder builder = this.m_methodBuilder as MethodBuilder;
if (builder == null)
{
this.m_localSignature = SignatureHelper.GetLocalVarSigHelper(null);
}
else
{
this.m_localSignature = SignatureHelper.GetLocalVarSigHelper(builder.GetTypeBuilder().Module);
}
}
public override bool Equals(object?obj)
{
if (!(obj is MethodBuilder))
{
return(false);
}
if (!m_strName.Equals(((MethodBuilder)obj).m_strName))
{
return(false);
}
if (m_iAttributes != (((MethodBuilder)obj).m_iAttributes))
{
return(false);
}
SignatureHelper thatSig = ((MethodBuilder)obj).GetMethodSignature();
if (thatSig.Equals(GetMethodSignature()))
{
return(true);
}
return(false);
}
internal static SignatureHelper GetMethodSigHelper(
Module?scope, CallingConventions callingConvention, int cGenericParam,
Type?returnType, Type[]?requiredReturnTypeCustomModifiers, Type[]?optionalReturnTypeCustomModifiers,
Type[]?parameterTypes, Type[][]?requiredParameterTypeCustomModifiers, Type[][]?optionalParameterTypeCustomModifiers)
{
SignatureHelper sigHelp;
MdSigCallingConvention intCall;
if (returnType == null)
{
returnType = typeof(void);
}
intCall = MdSigCallingConvention.Default;
if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
{
intCall = MdSigCallingConvention.Vararg;
}
if (cGenericParam > 0)
{
intCall |= MdSigCallingConvention.Generic;
}
if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
{
intCall |= MdSigCallingConvention.HasThis;
}
sigHelp = new SignatureHelper(scope, intCall, cGenericParam, returnType,
requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers);
sigHelp.AddArguments(parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
return(sigHelp);
}
public static SignatureHelper GetPropertySigHelper(Module?mod, CallingConventions callingConvention,
Type?returnType, Type[]?requiredReturnTypeCustomModifiers, Type[]?optionalReturnTypeCustomModifiers,
Type[]?parameterTypes, Type[][]?requiredParameterTypeCustomModifiers, Type[][]?optionalParameterTypeCustomModifiers)
{
SignatureHelper sigHelp;
if (returnType == null)
{
returnType = typeof(void);
}
MdSigCallingConvention intCall = MdSigCallingConvention.Property;
if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
{
intCall |= MdSigCallingConvention.HasThis;
}
sigHelp = new SignatureHelper(mod, intCall,
returnType, requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers);
sigHelp.AddArguments(parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
return(sigHelp);
}
internal static SignatureHelper GetMethodSigHelper(Module scope, CallingConventions callingConvention, int cGenericParam, Type returnType, Type[] requiredReturnTypeCustomModifiers, Type[] optionalReturnTypeCustomModifiers, Type[] parameterTypes, Type[][] requiredParameterTypeCustomModifiers, Type[][] optionalParameterTypeCustomModifiers)
{
if (returnType == null)
{
returnType = typeof(void);
}
System.Reflection.MdSigCallingConvention convention = System.Reflection.MdSigCallingConvention.Default;
if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
{
convention = System.Reflection.MdSigCallingConvention.C | System.Reflection.MdSigCallingConvention.FastCall;
}
if (cGenericParam > 0)
{
convention = (System.Reflection.MdSigCallingConvention)((byte)(convention | (System.Reflection.MdSigCallingConvention.Default | System.Reflection.MdSigCallingConvention.Generic)));
}
if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
{
convention = (System.Reflection.MdSigCallingConvention)((byte)(convention | (System.Reflection.MdSigCallingConvention.Default | System.Reflection.MdSigCallingConvention.HasThis)));
}
SignatureHelper helper = new SignatureHelper(scope, convention, cGenericParam, returnType, requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers);
helper.AddArguments(parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
return(helper);
}
internal static SignatureHelper GetMethodSigHelper(
Module mod,
CallingConventions callingConvention,
Type returnType,
Type[] parameterTypes)
{
SignatureHelper sigHelp;
int intCall;
if (returnType == null)
{
returnType = typeof(void);
}
intCall = IMAGE_CEE_CS_CALLCONV_DEFAULT;
if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
{
intCall = IMAGE_CEE_CS_CALLCONV_VARARG;
}
if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
{
intCall |= IMAGE_CEE_CS_CALLCONV_HASTHIS;
}
sigHelp = new SignatureHelper(mod, intCall, (Type)returnType);
if (parameterTypes != null)
{
for (int i = 0; i < parameterTypes.Length; i++)
{
sigHelp.AddArgument(parameterTypes[i]);
}
}
return(sigHelp);
}
internal int GetSignatureToken(SignatureHelper sigHelper)
{
ArgumentNullException.ThrowIfNull(sigHelper);
return(GetToken(sigHelper));
}
public int GetToken (SignatureHelper helper) {
return mb.GetToken (helper);
}
public SignatureToken GetSignatureToken (SignatureHelper sigHelper)
{
if (sigHelper == null)
throw new ArgumentNullException ("sigHelper");
return new SignatureToken (GetToken (sigHelper));
}
/// <include file='doc\SignatureHelper.uex' path='docs/doc[@for="SignatureHelper.GetMethodSigHelper2"]/*' />
public static SignatureHelper GetMethodSigHelper(
Module mod,
CallingConvention unmanagedCallConv,
Type returnType)
{
SignatureHelper sigHelp;
int intCall;
if (returnType == null)
{
returnType = typeof(void);
}
if (unmanagedCallConv == CallingConvention.Cdecl)
intCall = IMAGE_CEE_UNMANAGED_CALLCONV_C;
else if (unmanagedCallConv == CallingConvention.StdCall)
intCall = IMAGE_CEE_UNMANAGED_CALLCONV_STDCALL;
else if (unmanagedCallConv == CallingConvention.ThisCall)
intCall = IMAGE_CEE_UNMANAGED_CALLCONV_THISCALL;
else if (unmanagedCallConv == CallingConvention.FastCall)
intCall = IMAGE_CEE_UNMANAGED_CALLCONV_FASTCALL;
else
throw new ArgumentException(Environment.GetResourceString("Argument_UnknownUnmanagedCallConv"), "unmanagedCallConv");
sigHelp = new SignatureHelper(mod, intCall, (Type)returnType);
return sigHelp;
}
private void Init(
String name,
MethodAttributes attributes,
CallingConventions callingConvention,
Type returnType,
Type[] parameterTypes,
Module mod,
TypeBuilder type,
bool bIsGlobalMethod)
{
m_strName = name;
m_localSignature = SignatureHelper.GetLocalVarSigHelper(mod);
m_module = mod;
m_containingType = type;
if (returnType == null)
{
m_returnType = typeof(void);
}
else
{
m_returnType = returnType;
}
if ((attributes & MethodAttributes.Static) == 0)
{
// turn on the has this calling convention
callingConvention = callingConvention | CallingConventions.HasThis;
}
else if ((attributes & MethodAttributes.Virtual) != 0)
{
//A method can't be both static and virtual
throw new ArgumentException(Environment.GetResourceString("Arg_NoStaticVirtual"));
}
if ((attributes & MethodAttributes.SpecialName) != MethodAttributes.SpecialName)
{
if ((type.Attributes & TypeAttributes.Interface) == TypeAttributes.Interface)
{
// methods on interface have to be abstract + virtual except special name methods(such as type initializer
if ((attributes & (MethodAttributes.Abstract | MethodAttributes.Virtual)) != (MethodAttributes.Abstract | MethodAttributes.Virtual))
{
throw new ArgumentException(Environment.GetResourceString("Argument_BadAttributeOnInterfaceMethod"));
}
}
}
m_callingConvention = callingConvention;
m_returnType = returnType;
if (parameterTypes != null)
{
m_parameterTypes = new Type[parameterTypes.Length];
Array.Copy(parameterTypes, m_parameterTypes, parameterTypes.Length);
}
else
{
m_parameterTypes = null;
}
m_signature = SignatureHelper.GetMethodSigHelper(mod, callingConvention, returnType, parameterTypes);
m_iAttributes = attributes;
m_bIsGlobalMethod = bIsGlobalMethod;
m_bIsBaked = false;
m_fInitLocals = true;
m_localSymInfo = new LocalSymInfo();
m_ubBody = null;
m_ilGenerator = null;
// default is managed IL
// Manged IL has bit flag 0x0020 set off
m_dwMethodImplFlags = MethodImplAttributes.IL;
}
internal VarArgMethod(RuntimeMethodInfo method, SignatureHelper signature)
{
m_method = method;
m_signature = signature;
}
public int GetToken(SignatureHelper helper)
{
return(m.AddRef(helper));
}
internal static SignatureHelper GetMethodSigHelper(
Module scope, CallingConventions callingConvention, int cGenericParam,
Type returnType, Type[] requiredReturnTypeCustomModifiers, Type[] optionalReturnTypeCustomModifiers,
Type[] parameterTypes, Type[][] requiredParameterTypeCustomModifiers, Type[][] optionalParameterTypeCustomModifiers)
{
SignatureHelper sigHelp;
MdSigCallingConvention intCall;
if (returnType == null)
{
returnType = typeof(void);
}
intCall = MdSigCallingConvention.Default;
if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
intCall = MdSigCallingConvention.Vararg;
if (cGenericParam > 0)
{
intCall |= MdSigCallingConvention.Generic;
}
if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
intCall |= MdSigCallingConvention.HasThis;
sigHelp = new SignatureHelper(scope, intCall, cGenericParam, returnType,
requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers);
sigHelp.AddArguments(parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
return sigHelp;
}
/// <summary>Returns a signature helper for a method with a standard calling convention, given the method's module, return type, and argument types.</summary>
/// <returns>The SignatureHelper object for a method.</returns>
/// <param name="mod">The <see cref="T:System.Reflection.Emit.ModuleBuilder" /> that contains the method for which the SignatureHelper is requested. </param>
/// <param name="returnType">The return type of the method, or null for a void return type (Sub procedure in Visual Basic). </param>
/// <param name="parameterTypes">The types of the arguments of the method, or null if the method has no arguments. </param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="mod" /> is null.-or-An element of <paramref name="parameterTypes" /> is null.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="mod" /> is not a <see cref="T:System.Reflection.Emit.ModuleBuilder" />.</exception>
public static SignatureHelper GetMethodSigHelper(Module mod, Type returnType, Type[] parameterTypes)
{
return(SignatureHelper.GetMethodSigHelper(mod, CallingConventions.Standard, (CallingConvention)0, returnType, parameterTypes));
}
public virtual new void Emit(OpCode opcode, SignatureHelper signature)
{
}
/// <summary>Puts the specified instruction and a signature token onto the Microsoft intermediate language (MSIL) stream of instructions.</summary>
/// <param name="opcode">The MSIL instruction to be emitted onto the stream. </param>
/// <param name="signature">A helper for constructing a signature token. </param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="signature" /> is null. </exception>
/// <param name="generator">The <see cref="T:System.Reflection.Emit.ILGenerator" /> to emit instructions from</param>
public static ILGenerator FluentEmit(this ILGenerator generator, System.Reflection.Emit.OpCode opcode, System.Reflection.Emit.SignatureHelper signature)
{
generator.Emit(opcode, signature);
return(generator);
}
/// <summary>Checks if this instance is equal to the given object.</summary>
/// <returns>true if the given object is a SignatureHelper and represents the same signature; otherwise, false.</returns>
/// <param name="obj">The object with which this instance should be compared. </param>
public override bool Equals(object obj)
{
SignatureHelper signatureHelper = obj as SignatureHelper;
if (signatureHelper == null)
{
return(false);
}
if (signatureHelper.module != this.module || signatureHelper.returnType != this.returnType || signatureHelper.callConv != this.callConv || signatureHelper.unmanagedCallConv != this.unmanagedCallConv)
{
return(false);
}
if (this.arguments != null)
{
if (signatureHelper.arguments == null)
{
return(false);
}
if (this.arguments.Length != signatureHelper.arguments.Length)
{
return(false);
}
for (int i = 0; i < this.arguments.Length; i++)
{
if (!signatureHelper.arguments[i].Equals(this.arguments[i]))
{
return(false);
}
}
}
else if (signatureHelper.arguments != null)
{
return(false);
}
return(SignatureHelper.CompareOK(signatureHelper.modreqs, this.modreqs) && SignatureHelper.CompareOK(signatureHelper.modopts, this.modopts));
}
public SignatureToken GetSignatureToken(SignatureHelper sigHelper)
{
// TODO
return(new SignatureToken(0));
}
public int GetToken (SignatureHelper helper) {
return m.AddRef (helper);
}
internal int GetToken(SignatureHelper helper)
{
return(getToken(this, helper, true));
}
public static SignatureHelper GetMethodSigHelper(Module mod, CallingConvention unmanagedCallConv, Type returnType)
{
SignatureHelper sigHelp;
MdSigCallingConvention intCall;
if (returnType == null)
returnType = typeof(void);
if (unmanagedCallConv == CallingConvention.Cdecl)
{
intCall = MdSigCallingConvention.C;
}
else if (unmanagedCallConv == CallingConvention.StdCall || unmanagedCallConv == CallingConvention.Winapi)
{
intCall = MdSigCallingConvention.StdCall;
}
else if (unmanagedCallConv == CallingConvention.ThisCall)
{
intCall = MdSigCallingConvention.ThisCall;
}
else if (unmanagedCallConv == CallingConvention.FastCall)
{
intCall = MdSigCallingConvention.FastCall;
}
else
{
throw new ArgumentException(Environment.GetResourceString("Argument_UnknownUnmanagedCallConv"), nameof(unmanagedCallConv));
}
sigHelp = new SignatureHelper(mod, intCall, returnType, null, null);
return sigHelp;
}
private static IDispatchInvokeDelegate Create_IDispatchInvoke(bool returnResult)
{
const int dispatchPointerIndex = 0;
const int memberDispIdIndex = 1;
const int flagsIndex = 2;
const int dispParamsIndex = 3;
const int resultIndex = 4;
const int exceptInfoIndex = 5;
const int argErrIndex = 6;
Debug.Assert(argErrIndex + 1 == typeof(IDispatchInvokeDelegate).GetMethod("Invoke").GetParameters().Length);
Type[] paramTypes = new Type[argErrIndex + 1];
paramTypes[dispatchPointerIndex] = typeof(IntPtr);
paramTypes[memberDispIdIndex] = typeof(int);
paramTypes[flagsIndex] = typeof(ComTypes.INVOKEKIND);
paramTypes[dispParamsIndex] = typeof(ComTypes.DISPPARAMS).MakeByRefType();
paramTypes[resultIndex] = typeof(Variant).MakeByRefType();
paramTypes[exceptInfoIndex] = typeof(ExcepInfo).MakeByRefType();
paramTypes[argErrIndex] = typeof(uint).MakeByRefType();
// Define the dynamic method in our assembly so we skip verification
DynamicMethod dm = new DynamicMethod("IDispatchInvoke", typeof(int), paramTypes, DynamicModule);
ILGenerator method = dm.GetILGenerator();
// return functionPtr(...)
EmitLoadArg(method, dispatchPointerIndex);
EmitLoadArg(method, memberDispIdIndex);
// burn the address of our empty IID in directly. This is never freed, relocated, etc...
// Note passing this as a Guid directly results in a ~30% perf hit for IDispatch invokes so
// we also pass it directly as an IntPtr instead.
if (IntPtr.Size == 4)
{
method.Emit(OpCodes.Ldc_I4, UnsafeMethods.NullInterfaceId.ToInt32()); // riid
}
else
{
method.Emit(OpCodes.Ldc_I8, UnsafeMethods.NullInterfaceId.ToInt64()); // riid
}
method.Emit(OpCodes.Conv_I);
method.Emit(OpCodes.Ldc_I4_0); // lcid
EmitLoadArg(method, flagsIndex);
EmitLoadArg(method, dispParamsIndex);
if (returnResult)
{
EmitLoadArg(method, resultIndex);
}
else
{
method.Emit(OpCodes.Ldsfld, typeof(IntPtr).GetField("Zero"));
}
EmitLoadArg(method, exceptInfoIndex);
EmitLoadArg(method, argErrIndex);
// functionPtr = *(IntPtr*)(*(dispatchPointer) + VTABLE_OFFSET)
int idispatchInvokeOffset = ((int)IDispatchMethodIndices.IDispatch_Invoke) * Marshal.SizeOf(typeof(IntPtr));
EmitLoadArg(method, dispatchPointerIndex);
method.Emit(OpCodes.Ldind_I);
method.Emit(OpCodes.Ldc_I4, idispatchInvokeOffset);
method.Emit(OpCodes.Add);
method.Emit(OpCodes.Ldind_I);
System.Reflection.Emit.SignatureHelper signature = System.Reflection.Emit.SignatureHelper.GetMethodSigHelper(CallingConvention.Winapi, typeof(int));
Type[] invokeParamTypes = new Type[] {
typeof(IntPtr), // dispatchPointer
typeof(int), // memberDispId
typeof(IntPtr), // riid
typeof(int), // lcid
typeof(ushort), // flags
typeof(IntPtr), // dispParams
typeof(IntPtr), // result
typeof(IntPtr), // excepInfo
typeof(IntPtr), // argErr
};
signature.AddArguments(invokeParamTypes, null, null);
method.Emit(OpCodes.Calli, signature);
method.Emit(OpCodes.Ret);
return((IDispatchInvokeDelegate)dm.CreateDelegate(typeof(IDispatchInvokeDelegate)));
}
// Constructor.
internal MethodBuilder(TypeBuilder type, String name,
MethodAttributes attributes,
CallingConventions callingConvention,
Type returnType, Type[] parameterTypes)
{
// Validate the parameters.
if (name == null)
{
throw new ArgumentNullException("name");
}
else if (name == String.Empty)
{
throw new ArgumentException(_("Emit_NameEmpty"));
}
if (returnType == null)
{
returnType = typeof(void);
}
if ((attributes & MethodAttributes.Static) == 0)
{
callingConvention |= CallingConventions.HasThis;
}
else if ((attributes & MethodAttributes.Virtual) != 0)
{
throw new ArgumentException
(_("Emit_BothStaticAndVirtual"));
}
if ((type.Attributes & TypeAttributes.ClassSemanticsMask)
== TypeAttributes.Interface &&
(attributes & MethodAttributes.SpecialName) == 0)
{
if ((attributes & (MethodAttributes.Virtual |
MethodAttributes.Abstract))
!= (MethodAttributes.Virtual |
MethodAttributes.Abstract))
{
throw new ArgumentException
(_("Emit_InterfaceMethodAttrs"));
}
}
// Set the local state.
this.type = type;
this.bodySet = false;
this.initLocals = true;
this.explicitBody = null;
this.ilGenerator = null;
this.returnType = returnType;
this.returnBuilder = null;
this.numParams = (parameterTypes != null
? parameterTypes.Length : 0);
// Register this item to be detached later.
type.module.assembly.AddDetach(this);
// Create the method signature.
helper = SignatureHelper.GetMethodSigHelper
(type.module, callingConvention,
(CallingConvention)0,
returnType, parameterTypes);
// Create the method.
lock (typeof(AssemblyBuilder))
{
this.privateData = ClrMethodCreate
(((IClrProgramItem)type).ClrHandle, name,
attributes, helper.sig);
}
// Add the method to the type for post-processing.
type.AddMethod(this);
}
private int GetTokenForVarArgMethod(DynamicMethod dm, SignatureHelper sig)
{
VarArgMethod varArgMeth = new VarArgMethod(dm, sig);
return(m_scope.GetTokenFor(varArgMeth));
}
// Define signature token given a signature helper. This will define a metadata
// token for the signature described by SignatureHelper.
/// <include file='doc\ModuleBuilder.uex' path='docs/doc[@for="ModuleBuilder.GetSignatureToken"]/*' />
public SignatureToken GetSignatureToken(SignatureHelper sigHelper)
{
BCLDebug.Log("DYNIL","## DYNIL LOGGING: ModuleBuilder.GetSignatureToken( )");
int sigLength;
byte[] sigBytes;
if (sigHelper == null)
{
throw new ArgumentNullException("sigHelper");
}
// get the signature in byte form
sigBytes = sigHelper.InternalGetSignature(out sigLength);
return new SignatureToken(TypeBuilder.InternalGetTokenFromSig(this, sigBytes, sigLength), this);
}
public SignatureToken GetSignatureToken(SignatureHelper !sigHelper)
{
CodeContract.Requires(sigHelper != null);
return(default(SignatureToken));
}
/// <summary>Returns a signature helper for a method given the method's module, unmanaged calling convention, and return type.</summary>
/// <returns>The SignatureHelper object for a method.</returns>
/// <param name="mod">The <see cref="T:System.Reflection.Emit.ModuleBuilder" /> that contains the method for which the SignatureHelper is requested. </param>
/// <param name="unmanagedCallConv">The unmanaged calling convention of the method. </param>
/// <param name="returnType">The return type of the method, or null for a void return type (Sub procedure in Visual Basic). </param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="mod" /> is null.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="mod" /> is not a <see cref="T:System.Reflection.Emit.ModuleBuilder" />.-or-<paramref name="unmanagedCallConv" /> is an unknown unmanaged calling convention.</exception>
public static SignatureHelper GetMethodSigHelper(Module mod, CallingConvention unmanagedCallConv, Type returnType)
{
return(SignatureHelper.GetMethodSigHelper(mod, CallingConventions.Standard, unmanagedCallConv, returnType, null));
}
/// <include file='doc\SignatureHelper.uex' path='docs/doc[@for="SignatureHelper.GetPropertySigHelper"]/*' />
public static SignatureHelper GetPropertySigHelper(Module mod, Type returnType, Type[] parameterTypes)
{
SignatureHelper sigHelp;
if (returnType == null)
{
returnType = typeof(void);
}
sigHelp = new SignatureHelper(mod, IMAGE_CEE_CS_CALLCONV_PROPERTY, (Type)returnType);
if (parameterTypes != null)
{
for (int i=0; i<parameterTypes.Length; i++)
{
sigHelp.AddArgument(parameterTypes[i]);
}
}
return sigHelp;
}
public virtual void Emit(OpCode opcode, SignatureHelper signature)
{
if (signature == null)
{
throw new ArgumentNullException("signature");
}
int stackchange = 0;
ModuleBuilder module = (ModuleBuilder) this.m_methodBuilder.Module;
int token = module.GetSignatureToken(signature).Token;
this.EnsureCapacity(7);
this.InternalEmit(opcode);
if (opcode.m_pop == StackBehaviour.Varpop)
{
stackchange -= signature.ArgumentCount;
stackchange--;
this.UpdateStackSize(opcode, stackchange);
}
this.RecordTokenFixup();
this.PutInteger4(token);
}
internal int GetToken (SignatureHelper helper) {
return getToken (this, helper, true);
}
/// <summary>Returns a signature helper for a method given the method's module, calling convention, and return type.</summary>
/// <returns>The SignatureHelper object for a method.</returns>
/// <param name="mod">The <see cref="T:System.Reflection.Emit.ModuleBuilder" /> that contains the method for which the SignatureHelper is requested. </param>
/// <param name="callingConvention">The calling convention of the method. </param>
/// <param name="returnType">The return type of the method, or null for a void return type (Sub procedure in Visual Basic). </param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="mod" /> is null.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="mod" /> is not a <see cref="T:System.Reflection.Emit.ModuleBuilder" />.</exception>
public static SignatureHelper GetMethodSigHelper(Module mod, CallingConventions callingConvention, Type returnType)
{
return(SignatureHelper.GetMethodSigHelper(mod, callingConvention, (CallingConvention)0, returnType, null));
}
public virtual void Emit (OpCode opcode, SignatureHelper signature)
{
int token = token_gen.GetToken (signature);
make_room (6);
ll_emit (opcode);
emit_int (token);
}
internal SignatureHelper GetMethodSignature()
{
if (m_parameterTypes == null)
m_parameterTypes = new Type[0];
m_signature = SignatureHelper.GetMethodSigHelper (m_module, m_callingConvention, m_inst != null ? m_inst.Length : 0,
m_returnType == null ? typeof(void) : m_returnType, m_returnTypeRequiredCustomModifiers, m_returnTypeOptionalCustomModifiers,
m_parameterTypes, m_parameterTypeRequiredCustomModifiers, m_parameterTypeOptionalCustomModifiers);
return m_signature;
}
internal static SignatureHelper GetMethodSigHelper (Module mod, CallingConventions callingConvention, CallingConvention unmanagedCallingConvention, Type returnType,
Type [] parameters)
{
if (mod != null && !(mod is ModuleBuilder))
throw new ArgumentException ("ModuleBuilder is expected");
if (returnType == null)
returnType = typeof (void);
if (returnType.IsUserType)
throw new NotSupportedException ("User defined subclasses of System.Type are not yet supported.");
if (parameters != null) {
for (int i = 0; i < parameters.Length; ++i)
if (parameters [i].IsUserType)
throw new NotSupportedException ("User defined subclasses of System.Type are not yet supported.");
}
SignatureHelper helper =
new SignatureHelper ((ModuleBuilder)mod, SignatureHelperType.HELPER_METHOD);
helper.returnType = returnType;
helper.callConv = callingConvention;
helper.unmanagedCallConv = unmanagedCallingConvention;
if (parameters != null) {
helper.arguments = new Type [parameters.Length];
for (int i = 0; i < parameters.Length; ++i)
helper.arguments [i] = parameters [i];
}
return helper;
}
private void Init(String name, MethodAttributes attributes, CallingConventions callingConvention,
Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers,
Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers,
Module mod, TypeBuilder type, bool bIsGlobalMethod)
{
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");
if (mod == null)
throw new ArgumentNullException("mod");
if (parameterTypes != null)
{
foreach(Type t in parameterTypes)
{
if (t == null)
throw new ArgumentNullException("parameterTypes");
}
}
m_link = type.m_currentMethod;
type.m_currentMethod = this;
m_strName = name;
m_module = mod;
m_containingType = type;
m_localSignature = SignatureHelper.GetLocalVarSigHelper(mod);
//
//if (returnType == null)
//{
// m_returnType = typeof(void);
//}
//else
{
m_returnType = returnType;
}
if ((attributes & MethodAttributes.Static) == 0)
{
// turn on the has this calling convention
callingConvention = callingConvention | CallingConventions.HasThis;
}
else if ((attributes & MethodAttributes.Virtual) != 0)
{
// A method can't be both static and virtual
throw new ArgumentException(Environment.GetResourceString("Arg_NoStaticVirtual"));
}
if ((attributes & MethodAttributes.SpecialName) != MethodAttributes.SpecialName)
{
if ((type.Attributes & TypeAttributes.Interface) == TypeAttributes.Interface)
{
// methods on interface have to be abstract + virtual except special name methods such as type initializer
if ((attributes & (MethodAttributes.Abstract | MethodAttributes.Virtual)) !=
(MethodAttributes.Abstract | MethodAttributes.Virtual) &&
(attributes & MethodAttributes.Static) == 0)
throw new ArgumentException(Environment.GetResourceString("Argument_BadAttributeOnInterfaceMethod"));
}
}
m_callingConvention = callingConvention;
if (parameterTypes != null)
{
m_parameterTypes = new Type[parameterTypes.Length];
Array.Copy(parameterTypes, m_parameterTypes, parameterTypes.Length);
}
else
{
m_parameterTypes = null;
}
m_returnTypeRequiredCustomModifiers = returnTypeRequiredCustomModifiers;
m_returnTypeOptionalCustomModifiers = returnTypeOptionalCustomModifiers;
m_parameterTypeRequiredCustomModifiers = parameterTypeRequiredCustomModifiers;
m_parameterTypeOptionalCustomModifiers = parameterTypeOptionalCustomModifiers;
// m_signature = SignatureHelper.GetMethodSigHelper(mod, callingConvention,
// returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers,
// parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
m_iAttributes = attributes;
m_bIsGlobalMethod = bIsGlobalMethod;
m_bIsBaked = false;
m_fInitLocals = true;
m_localSymInfo = new LocalSymInfo();
m_ubBody = null;
m_ilGenerator = null;
// Default is managed IL. Manged IL has bit flag 0x0020 set off
m_dwMethodImplFlags = MethodImplAttributes.IL;
//int i = MetadataTokenInternal;
}
public int GetToken(SignatureHelper helper)
{
return(mb.GetToken(helper));
}
public virtual void Emit(OpCode opcode, SignatureHelper signature)
{
throw new PlatformNotSupportedException();
}
/// <summary>Puts the specified instruction and a signature token onto the Microsoft intermediate language (MSIL) stream of instructions.</summary><param name="opcode">The MSIL instruction to be emitted onto the stream. </param><param name="signature">A helper for constructing a signature token. </param><exception cref="T:System.ArgumentNullException"><paramref name="signature" /> is null. </exception>
public virtual void Emit(OpCode opcode, SignatureHelper signature)
{
throw new NotImplementedException();
}
[System.Security.SecuritySafeCritical] // auto-generated
public SignatureToken GetSignatureToken(SignatureHelper sigHelper)
{
// Define signature token given a signature helper. This will define a metadata
// token for the signature described by SignatureHelper.
if (sigHelper == null)
{
throw new ArgumentNullException("sigHelper");
}
Contract.EndContractBlock();
int sigLength;
byte[] sigBytes;
// get the signature in byte form
sigBytes = sigHelper.InternalGetSignature(out sigLength);
return new SignatureToken(TypeBuilder.GetTokenFromSig(GetNativeHandle(), sigBytes, sigLength), this);
}
private int GetTokenForVarArgMethod(DynamicMethod dm, SignatureHelper sig)
{
return(this.m_scope.GetTokenFor(new VarArgMethod(dm, sig)));
}
public virtual void Emit(OpCode opcode, SignatureHelper signature)
{
if (signature == null)
throw new ArgumentNullException("signature");
Contract.EndContractBlock();
int stackchange = 0;
ModuleBuilder modBuilder = (ModuleBuilder)m_methodBuilder.Module;
SignatureToken sig = modBuilder.GetSignatureToken(signature);
int tempVal = sig.Token;
EnsureCapacity(7);
InternalEmit(opcode);
// The only IL instruction that has VarPop behaviour, that takes a
// Signature token as a parameter is calli. Pop the parameters and
// the native function pointer. To be conservative, do not pop the
// this pointer since this information is not easily derived from
// SignatureHelper.
if (opcode.StackBehaviourPop == StackBehaviour.Varpop)
{
Contract.Assert(opcode.Equals(OpCodes.Calli),
"Unexpected opcode encountered for StackBehaviour VarPop.");
// Pop the arguments..
stackchange -= signature.ArgumentCount;
// Pop native function pointer off the stack.
stackchange--;
UpdateStackSize(opcode, stackchange);
}
RecordTokenFixup();
PutInteger4(tempVal);
}
internal VarArgMethod(DynamicMethod dm, SignatureHelper signature)
{
m_dynamicMethod = dm;
m_signature = signature;
}
private int GetTokenForVarArgMethod(RuntimeMethodInfo rtMeth, SignatureHelper sig)
{
#if FEATURE_APPX
if (ProfileAPICheck && (rtMeth.InvocationFlags & INVOCATION_FLAGS.INVOCATION_FLAGS_NON_W8P_FX_API) != 0)
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_APIInvalidForCurrentContext", rtMeth.FullName));
#endif
VarArgMethod varArgMeth = new VarArgMethod(rtMeth, sig);
return m_scope.GetTokenFor(varArgMeth);
}
private int GetTokenForVarArgMethod(RuntimeMethodInfo rtMeth, SignatureHelper sig)
{
VarArgMethod varArgMeth = new VarArgMethod(rtMeth, sig);
return(m_scope.GetTokenFor(varArgMeth));
}
private int GetTokenForVarArgMethod(DynamicMethod dm, SignatureHelper sig)
{
VarArgMethod varArgMeth = new VarArgMethod(dm, sig);
return m_scope.GetTokenFor(varArgMeth);
}
public void SetLocalSymInfo(String name, int startOffset, int endOffset)
{
ModuleBuilder dynMod;
SignatureHelper sigHelp;
int sigLength;
byte[] signature;
byte[] mungedSig;
int index;
MethodBuilder methodBuilder = m_methodBuilder as MethodBuilder;
if (methodBuilder == null)
{
// it's a light code gen entity
throw new NotSupportedException();
}
dynMod = (ModuleBuilder)methodBuilder.Module;
if (methodBuilder.IsTypeCreated())
{
// cannot change method after its containing type has been created
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_TypeHasBeenCreated"));
}
// set the name and range of offset for the local
if (dynMod.GetSymWriter() == null)
{
// cannot set local name if not debug module
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_NotADebugModule"));
}
sigHelp = SignatureHelper.GetFieldSigHelper(dynMod);
sigHelp.AddArgument(m_localType);
signature = sigHelp.InternalGetSignature(out sigLength);
// The symbol store doesn't want the calling convention on the
// front of the signature, but InternalGetSignature returns
// the callinging convention. So we strip it off. This is a
// bit unfortunate, since it means that we need to allocate
// yet another array of bytes...
mungedSig = new byte[sigLength - 1];
Array.Copy(signature, 1, mungedSig, 0, sigLength - 1);
index = methodBuilder.GetILGenerator().m_ScopeTree.GetCurrentActiveScopeIndex();
if (index == -1)
{
// top level scope information is kept with methodBuilder
methodBuilder.m_localSymInfo.AddLocalSymInfo(
name,
mungedSig,
m_localIndex,
startOffset,
endOffset);
}
else
{
methodBuilder.GetILGenerator().m_ScopeTree.AddLocalSymInfoToCurrentScope(
name,
mungedSig,
m_localIndex,
startOffset,
endOffset);
}
}
internal static SignatureHelper GetMethodSigHelper(
Module mod,
CallingConventions callingConvention,
Type returnType,
Type[] parameterTypes)
{
SignatureHelper sigHelp;
int intCall;
if (returnType == null)
{
returnType = typeof(void);
}
intCall = IMAGE_CEE_CS_CALLCONV_DEFAULT;
if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
{
intCall = IMAGE_CEE_CS_CALLCONV_VARARG;
}
if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
{
intCall |= IMAGE_CEE_CS_CALLCONV_HASTHIS;
}
sigHelp = new SignatureHelper(mod, intCall, (Type)returnType);
if (parameterTypes != null)
{
for (int i=0; i<parameterTypes.Length; i++)
{
sigHelp.AddArgument(parameterTypes[i]);
}
}
return sigHelp;
}
internal VarArgMethod(DynamicMethod dm, SignatureHelper signature)
{
m_dynamicMethod = dm;
m_signature = signature;
}
public virtual void EmitCalli(OpCode opcode, CallingConvention unmanagedCallConv, Type returnType, Type[] parameterTypes)
{
SignatureHelper helper = SignatureHelper.GetMethodSigHelper(module, 0, unmanagedCallConv, returnType, parameterTypes);
Emit(opcode, helper);
}
internal ILGenerator(MethodInfo methodBuilder, int size)
{
Contract.Requires(methodBuilder != null);
Contract.Requires(methodBuilder is MethodBuilder || methodBuilder is DynamicMethod);
if (size < defaultSize)
{
m_ILStream = new byte[defaultSize];
}
else
{
m_ILStream = new byte[size];
}
m_length = 0;
m_labelCount = 0;
m_fixupCount = 0;
m_labelList = null;
m_fixupData = null;
m_exceptions = null;
m_exceptionCount = 0;
m_currExcStack = null;
m_currExcStackCount = 0;
m_RelocFixupList = null;
m_RelocFixupCount = 0;
// initialize the scope tree
m_ScopeTree = new ScopeTree();
m_LineNumberInfo = new LineNumberInfo();
m_methodBuilder = methodBuilder;
// initialize local signature
m_localCount = 0;
MethodBuilder mb = m_methodBuilder as MethodBuilder;
if (mb == null)
m_localSignature = SignatureHelper.GetLocalVarSigHelper(null);
else
m_localSignature = SignatureHelper.GetLocalVarSigHelper(mb.GetTypeBuilder().Module);
}
internal VarArgMethod(RuntimeMethodInfo method, SignatureHelper signature)
{
m_method = method;
m_signature = signature;
}
/// <summary>
/// Puts the specified instruction and a signature token onto the Microsoft intermediate language (MSIL)
/// stream of instructions.
/// </summary>
public void Emit(OpCode opcode, SignatureHelper signature)
{
if (InterceptEmit(opcode, signature)) il.Emit(opcode, signature);
}
public override void Emit(OpCode opcode, SignatureHelper signature)
{
if (signature == null)
throw new ArgumentNullException(nameof(signature));
Contract.EndContractBlock();
int stackchange = 0;
EnsureCapacity(7);
InternalEmit(opcode);
// The only IL instruction that has VarPop behaviour, that takes a
// Signature token as a parameter is calli. Pop the parameters and
// the native function pointer. To be conservative, do not pop the
// this pointer since this information is not easily derived from
// SignatureHelper.
if (opcode.StackBehaviourPop == StackBehaviour.Varpop)
{
Contract.Assert(opcode.Equals(OpCodes.Calli),
"Unexpected opcode encountered for StackBehaviour VarPop.");
// Pop the arguments..
stackchange -= signature.ArgumentCount;
// Pop native function pointer off the stack.
stackchange--;
UpdateStackSize(opcode, stackchange);
}
int token = GetTokenForSig(signature.GetSignature(true)); ;
PutInteger4(token);
}
