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\section*{Homework 8}

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\begin{enumerate}
\item Write a program in the WHILE-language that calculates
      the factorial function.

\item What optimisations could a compiler perform when
      compiling a WHILE-program?

\item What is the main difference between the Java assembler
      (as processed by Jasmin) and Java Byte Code?

\item Parser combinators can directly be given a string as
      input, without the need of a lexer. What are the
      advantages to first lex a string and then feed a
      sequence of tokens as input to the parser?

\item Explain what is meant by the terms lazy evaluation and eager
      evaluation.
\end{enumerate}

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