Complex sentence: A metacompiler is a computer program, a unique class of compiler-compiler, whose input is a metaprogramming language s that take programed specifications of the source source code object code and object language of a compiler, translators, or interpreter.
Split into simpler sentences: A metacompiler is a computer program whose input is a metaprogramming language. A class of compiler-compilers that take programed specifications of the source source code object code and object language of a compiler, translators, or interpreter.