internal MethodDefinitionHandle CreateConstructor(ConstructorInfo constructorInfo)
{
if (_ctorDefHandles.TryGetValue(constructorInfo, out var constructorDef))
{
return(constructorDef);
}
var parameters = CreateParameters(constructorInfo.GetParameters());
var bodyOffset = _ilBuilder.Count;
var body = constructorInfo.GetMethodBody();
if (body != null)
{
var methodBodyWriter = new MethodBodyStreamWriter(_ilBuilder, GetString, _typeHandles, _ctorRefHandles,
_fieldHandles, _methodsHandles);
// bodyOffset can be aligned during serialization. So, override the correct offset.
bodyOffset = methodBodyWriter.AddMethodBody(constructorInfo);
}
var ctorDef = _metadataBuilder.AddMethodDefinition(
constructorInfo.Attributes,
constructorInfo.MethodImplementationFlags,
GetString(constructorInfo.Name),
GetConstructorSignature(constructorInfo),
bodyOffset,
parameters);
_ctorDefHandles.Add(constructorInfo, ctorDef);
return(ctorDef);
}
private MethodDefinitionHandle GetOrCreateMethod(MethodInfo methodInfo)
{
if (_methodsHandles.ContainsKey(methodInfo))
{
return(_methodsHandles[methodInfo]);
}
var offset = _ilBuilder.Count; // take an offset
var body = methodInfo.GetMethodBody();
// If body exists, we write it in IL body stream
if (body != null)
{
var methodBodyWriter = new MethodBodyStreamWriter(_ilBuilder, GetString, _typeHandles, _ctorRefHandles,
_fieldHandles, _methodsHandles);
// offset can be aligned during serialization. So, override the correct offset.
offset = methodBodyWriter.AddMethodBody(methodInfo);
}
var signature = GetMethodSignature(methodInfo);
var parameters = CreateParameters(methodInfo.GetParameters());
var handle = _metadataBuilder.AddMethodDefinition(
methodInfo.Attributes,
methodInfo.MethodImplementationFlags,
GetString(methodInfo.Name),
signature,
offset,
parameters);
if (body != null && body.LocalVariables.Count > 0)
{
_metadataBuilder.AddStandaloneSignature
(GetBlob(
BuildSignature(x =>
{
var sig = x.LocalVariableSignature(body.LocalVariables.Count);
foreach (var vrb in body.LocalVariables)
{
sig.AddVariable().Type(
vrb.LocalType.IsByRef,
vrb.IsPinned)
.FromSystemType(vrb.LocalType, this);
}
})));
}
/*
* FieldList and MethodList described in ECMA 335, page 270
*/
_methodsHandles.Add(methodInfo, handle);
CreateCustomAttributes(handle, methodInfo.GetCustomAttributesData());
return(handle);
}
private void CreateMethod(MethodInfo method)
{
if (!_metadata.TryGetMethodDefinition(method, out var metadata))
{
ThrowMetadataIsNotReserved("Method", method);
}
EnsureMetadataWasNotEmitted(metadata, method);
var body = method.GetMethodBody();
var localVariablesSignature = default(StandaloneSignatureHandle);
if (body != null && body.LocalVariables.Count > 0)
{
localVariablesSignature = _metadata.Builder.AddStandaloneSignature(_metadata.GetOrAddBlob(
MetadataHelper.BuildSignature(x =>
{
var sig = x.LocalVariableSignature(body.LocalVariables.Count);
foreach (var vrb in body.LocalVariables)
{
sig.AddVariable().Type(
vrb.LocalType.IsByRef,
vrb.IsPinned)
.FromSystemType(vrb.LocalType, _metadata);
}
})));
}
var offset = _metadata.ILBuilder.Count; // take an offset
// If body exists, we write it in IL body stream
if (body != null)
{
var methodBodyWriter = new MethodBodyStreamWriter(_metadata);
// offset can be aligned during serialization. So, override the correct offset.
offset = methodBodyWriter.AddMethodBody(method, localVariablesSignature);
}
var parameters = CreateParameters(method.GetParameters());
var handle = _metadata.Builder.AddMethodDefinition(
method.Attributes,
method.MethodImplementationFlags,
_metadata.GetOrAddString(method.Name),
_metadata.GetMethodSignature(method),
offset,
parameters);
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
CreateCustomAttributes(handle, method.GetCustomAttributesData());
}
private void CreateConstructor(ConstructorInfo ctor)
{
if (!_metadata.TryGetConstructorDefinition(ctor, out var metadata))
{
ThrowMetadataIsNotReserved("Constructor", ctor);
}
EnsureMetadataWasNotEmitted(metadata, ctor);
var body = ctor.GetMethodBody();
var localVariablesSignature = default(StandaloneSignatureHandle);
if (body != null && body.LocalVariables.Count > 0)
{
localVariablesSignature = _metadata.Builder.AddStandaloneSignature(_metadata.GetOrAddBlob(
MetadataHelper.BuildSignature(x =>
{
var sig = x.LocalVariableSignature(body.LocalVariables.Count);
foreach (var vrb in body.LocalVariables)
{
sig.AddVariable().Type(
vrb.LocalType.IsByRef,
vrb.IsPinned)
.FromSystemType(vrb.LocalType, _metadata);
}
})));
}
var bodyOffset = _metadata.ILBuilder.Count;
if (body != null)
{
var methodBodyWriter = new MethodBodyStreamWriter(_metadata);
// bodyOffset can be aligned during serialization. So, override the correct offset.
bodyOffset = methodBodyWriter.AddMethodBody(ctor, localVariablesSignature);
}
var parameters = CreateParameters(ctor.GetParameters());
var handle = _metadata.Builder.AddMethodDefinition(
ctor.Attributes,
ctor.MethodImplementationFlags,
_metadata.GetOrAddString(ctor.Name),
_metadata.GetConstructorSignature(ctor),
bodyOffset,
parameters);
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
}
private void CreateMethod(MethodInfo method, List <DelayedWrite> genericParams)
{
if (!_metadata.TryGetMethodDefinition(method, out var metadata))
{
ThrowMetadataIsNotReserved("Method", method);
}
EnsureMetadataWasNotEmitted(metadata, method);
var body = method.GetMethodBody();
var localVariablesSignature = default(StandaloneSignatureHandle);
if (body != null && body.LocalVariables.Count > 0)
{
localVariablesSignature = _metadata.Builder.AddStandaloneSignature(_metadata.GetOrAddBlob(
MetadataHelper.BuildSignature(x =>
{
x.LocalVariableSignature(body.LocalVariables.Count).AddRange(body.LocalVariables, _metadata);
})));
}
var offset = -1;
// If body exists, we write it in IL body stream
if (body != null && !method.IsAbstract)
{
var methodBodyWriter = new MethodBodyStreamWriter(_metadata);
// offset can be aligned during serialization. So, override the correct offset.
offset = methodBodyWriter.AddMethodBody(method, localVariablesSignature);
}
var parameters = CreateParameters(method.GetParameters());
var handle = _metadata.Builder.AddMethodDefinition(
method.Attributes,
method.MethodImplementationFlags,
_metadata.GetOrAddString(method.Name),
_metadata.GetMethodOrConstructorSignature(method),
offset,
parameters);
// The generation of interface method overrides has been moved to
// AssemblyGenerator.DeclareInterfacesAndCreateInterfaceMap in
// AssemblyGenerator.Types.cs.
// Add generic parameters
if (method.IsGenericMethodDefinition)
{
int index = 0;
foreach (var arg in method.GetGenericArguments())
{
genericParams.Add(new DelayedWrite(CodedIndex.TypeOrMethodDef(handle), () =>
{
// Add the argument
var gaHandle = _metadata.Builder.AddGenericParameter(handle, arg.GenericParameterAttributes, _metadata.GetOrAddString(arg.Name), index++);
// Add it's constraints
foreach (var constraint in arg.GetGenericParameterConstraints())
{
_metadata.Builder.AddGenericParameterConstraint(gaHandle, _metadata.GetTypeHandle(constraint));
}
}));
}
}
else if (method.Attributes.HasFlag(MethodAttributes.PinvokeImpl))
{
ProcessPInvokeMapData(
method,
out string libraryName,
out string entryName,
out MethodImportAttributes attrs);
var libraryNameHandle = _metadata.GetOrAddString(libraryName);
var moduleRefHandle = _metadata.Builder.AddModuleReference(libraryNameHandle);
var entryNameHandle = _metadata.GetOrAddString(entryName);
// Add the ImplMap entry for the P/Invoke
_metadata.Builder.AddMethodImport(
handle,
attrs,
entryNameHandle,
moduleRefHandle);
}
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
CreateCustomAttributes(handle, method.GetCustomAttributesData());
}
private void CreateMethod(MethodInfo method, List <DelayedWrite> genericParams)
{
if (!_metadata.TryGetMethodDefinition(method, out var metadata))
{
ThrowMetadataIsNotReserved("Method", method);
}
EnsureMetadataWasNotEmitted(metadata, method);
var body = method.GetMethodBody();
var localVariablesSignature = default(StandaloneSignatureHandle);
if (body != null && body.LocalVariables.Count > 0)
{
localVariablesSignature = _metadata.Builder.AddStandaloneSignature(_metadata.GetOrAddBlob(
MetadataHelper.BuildSignature(x =>
{
x.LocalVariableSignature(body.LocalVariables.Count).AddRange(body.LocalVariables, _metadata);
})));
}
var offset = -1;
// If body exists, we write it in IL body stream
if (body != null && !method.IsAbstract)
{
var methodBodyWriter = new MethodBodyStreamWriter(_metadata);
// offset can be aligned during serialization. So, override the correct offset.
offset = methodBodyWriter.AddMethodBody(method, localVariablesSignature);
}
var parameters = CreateParameters(method.GetParameters());
var handle = _metadata.Builder.AddMethodDefinition(
method.Attributes,
method.MethodImplementationFlags,
_metadata.GetOrAddString(method.Name),
_metadata.GetMethodOrConstructorSignature(method),
offset,
parameters);
// Explicit interface implementations need to be marked with method implementation
// (This is the equivalent of .Override in msil)
if (method.IsPrivate)
{
// Go through all the implemented interfaces and all their methods
// looking for methods that this method implements and mark accordingly.
// NB: This is not super efficient. Should probably create a map somewhere
// for faster lookup, but this will do for now.
var type = method.DeclaringType;
foreach (var itf in type.GetInterfaces())
{
var itfMap = type.GetInterfaceMap(itf);
for (int i = 0; i < itfMap.TargetMethods.Length; i++)
{
var m = itfMap.TargetMethods[i];
if (m == method)
{
var itfImpl = itfMap.InterfaceMethods[i];
_metadata.Builder.AddMethodImplementation((TypeDefinitionHandle)_metadata.GetTypeHandle(method.DeclaringType), handle, _metadata.GetMethodHandle(itfImpl));
}
}
}
}
// Add generic parameters
if (method.IsGenericMethodDefinition)
{
int index = 0;
foreach (var arg in method.GetGenericArguments())
{
genericParams.Add(new DelayedWrite(CodedIndex.TypeOrMethodDef(handle), () =>
{
// Add the argument
var gaHandle = _metadata.Builder.AddGenericParameter(handle, arg.GenericParameterAttributes, _metadata.GetOrAddString(arg.Name), index++);
// Add it's constraints
foreach (var constraint in arg.GetGenericParameterConstraints())
{
_metadata.Builder.AddGenericParameterConstraint(gaHandle, _metadata.GetTypeHandle(constraint));
}
}));
}
}
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
CreateCustomAttributes(handle, method.GetCustomAttributesData());
}
