public void BuildConstructor(ILConversion conversion, ConvertedTypeDefinitionMask_I input, MethodDefinition methodDefinition)
{
if (!(input is ConvertedTypeWithConstructors_I typeWithConstructors))
{
throw new Exception("Trying to build a field on a type that does not support fields.");
}
ConstructorBuilder constructorBuilder;
var constructorEntry = new ConvertedEmittedConstructor
{
Conversion = conversion,
DeclaringType = input,
MethodReference = methodDefinition,
ReturnType = Execution.Types.Ensuring.EnsureBound(conversion, methodDefinition.ReturnType),
};
Type[] systemParameterTypes = Routines.Building.CreateParameters(conversion, constructorEntry);
Type returnType = Routines.Building.SetReturnType(conversion, constructorEntry);
// ReSharper disable once AssignmentInConditionalExpression
if (constructorEntry.IsStaticConstructor = (methodDefinition.Name == ConstructorInfo.TypeConstructorName))
{
constructorBuilder = typeWithConstructors.TypeBuilder.DefineTypeInitializer();
}
// ReSharper disable once AssignmentInConditionalExpression
else if (constructorEntry.IsInstanceConstructor = (methodDefinition.Name == ConstructorInfo.ConstructorName))
{
var constructorAttributes = GetConstructorAttributes(methodDefinition);
var callConventions = Methods.GetCallingConventions(methodDefinition);
constructorBuilder = typeWithConstructors.TypeBuilder.DefineConstructor(constructorAttributes, callConventions, systemParameterTypes);
}
else
{
throw new Exception("Expected a method definition marked as a constructor.");
}
constructorEntry.ConstructorBuilder = constructorBuilder;
// The 'CreateParameterBuilder' call has to called after the parameters are defined
// in the define constructor call. Thus a second loop is needed.
Routines.Building.CreateParameterBuilders(conversion, constructorEntry);
if (methodDefinition.HasBody)
{
constructorEntry.Body = new ConvertedRoutineBody();
if (methodDefinition.Body.HasVariables)
{
constructorEntry.Body.LocalVariables = new ConvertedRoutineLocalVariable[methodDefinition.Body.Variables.Count];
for (int i = 0; i < methodDefinition.Body.Variables.Count; i++)
{
var variable = methodDefinition.Body.Variables[i];
var variableTypeReference = variable.VariableType;
var variableType = Execution.Types.Ensuring.EnsureToType(conversion, variableTypeReference);
constructorEntry.Body.LocalVariables[i] = new ConvertedRoutineLocalVariable()
{
IsPinned = variable.IsPinned,
UnderlyingType = variableType,
Index = variable.Index
};
}
}
}
SetImplementationFlagsIfPresent(methodDefinition, constructorBuilder);
typeWithConstructors.Routines.Add(constructorEntry);
typeWithConstructors.Constructors.All.Add(constructorEntry);
CustomAttributes.BuildCustomAttributes(conversion, input, constructorEntry);
}
public void BuildCustomAttributes(ILConversion conversion, ConvertedTypeDefinitionMask_I input, ConvertedEmittedConstructor constructorEntry)
{
var methodDefinition = (MethodDefinition)constructorEntry.MethodReference;
var builders = CreateCustomAttributeList(conversion, methodDefinition.CustomAttributes);
for (int i = 0; i < builders.Count; i++)
{
var builder1 = builders[i];
constructorEntry.ConstructorBuilder.SetCustomAttribute(builder1);
}
}