public override void VisitDeclConstructor(ASTDeclarationCtor n)
{
//lookup base class for the current type builder
if (_currentTypeBuilder.Builder.BaseType is object)
{
_currentMethodBuilder = _currentTypeBuilder.ConstructorBuilder;
_gen = _currentTypeBuilder.ConstructorBuilder.Builder.GetILGenerator();
//invoke the constructor of object
ConstructorInfo baseCtor = typeof(object).GetConstructor(Type.EmptyTypes);
_gen.Emit(OpCodes.Ldarg_0); //this.
_gen.Emit(OpCodes.Call, baseCtor);
//visit the body of the constructor
n.Body.Visit(this);
_gen.Emit(OpCodes.Ret);
}
else
{
throw new NotImplementedException("Inheritance is totally not done yet.");
}
}
public override void VisitDeclMethod(ASTDeclarationMethod n)
{
n.Modifiers.Visit(this);
MethodBuilderInfo methodInfo = _typeManager.GetMethodBuilderInfo(_currentTypeBuilder.Name, n.Name);
//store a reference so we can access locals, arguments, and stuff about the current method we're working on.
_currentMethodBuilder = methodInfo;
_gen = methodInfo.Builder.GetILGenerator();
//is this the entry point
if (n.Name == MainMethodName)
{
_assemblyBuilder.SetEntryPoint(methodInfo.Builder);
}
n.Body.Visit(this);
//we need to explicitly put a return statement for voids
if (_typeManager.LookupCilType(n.ReturnType) == typeof(void))
{
_gen.Emit(OpCodes.Ret);
}
}