Code listing with highlighting in latex

code-listing-with-color-latex.tex

\definecolor{ashgrey}{rgb}{0.7, 0.75, 0.71}
\begin{lstlisting}[firstnumber=1]
'use strict';

const common = require('../common');
  ... 
\end{lstlisting}	  
  \vspace{-\baselineskip}
  \begin{lstlisting}[firstnumber=10, backgroundcolor=\color{ashgrey}]
  function main({ len, n }) {
	const { internalBinding } = require('internal/test/binding');
	const { HTTPParser } = internalBinding('http_parser');
	const REQUEST = HTTPParser.REQUEST;
\end{lstlisting}	
\vspace{-\baselineskip}

\begin{lstlisting}[firstnumber=20]
    const kOnHeaders = HTTPParser.kOnHeaders | 0;
    ... 
\end{lstlisting}
\vspace{-\baselineskip}

  \begin{lstlisting}[firstnumber=50,backgroundcolor=\color{ashgrey}]
	function processHeader(header, n) {
		const parser = newParser(REQUEST);
		for (var i = 0; i < n; i++) {
-			  parser.reinitialize(REQUEST);
+             parser.reinitialize(REQUEST, i > 0);
		}
	}
\end{lstlisting}
\vspace{-\baselineskip}
\begin{lstlisting} [firstnumber=80, caption={Sliced program with missing argument},captionpos=b]
  	...	
	processHeader(Buffer.from(header), n);
}	
\end{lstlisting}