Boo.Lang.Compiler.Steps.EmitAssembly.EndMethodBody C# (CSharp) Метод

        void EndMethodBody(Method method)
        {
            if (!_returnImplicit)
                _returnImplicit = !AstUtil.AllCodePathsReturnOrRaise(method.Body);

            //At most a method epilogue contains 3 independent load instructions:
            //1) load of the value of an actual return (emitted elsewhere and branched to _returnLabel)
            //2) load of a default value (implicit returns [e.g return without expression])
            //3) load of the `leave' stored value

            bool hasDefaultValueReturn = _returnImplicit && !IsVoid(_returnType);
            if (hasDefaultValueReturn)
            {
                if (_returnStatements == -1) //emit branch only if instructed to do so (-1)
                    _il.Emit(OpCodes.Br_S, _returnLabel);

                //load default return value for implicit return
                _il.MarkLabel(_implicitLabel);
                EmitDefaultValue(_returnType);
                PopType();
            }

            if (_hasLeaveWithStoredValue)
            {
                if (hasDefaultValueReturn || _returnStatements == -1)
                    _il.Emit(OpCodes.Br_S, _returnLabel);

                //load the stored return value and `ret'
                _il.MarkLabel(_leaveLabel);
                _il.Emit(OpCodes.Ldloc, GetDefaultValueHolder(_returnType));
            }

            if (_returnImplicit || _returnStatements != 0)
            {
                _il.MarkLabel(_returnLabel);
                _il.Emit(OpCodes.Ret);
            }
        }