appA.tex

\chapter{Code snippets\label{app:appa}}

\section{Python parser}
\label{sec:pythonparsersec}

\begin{lstlisting}[language=Python, caption={The parser code detects the valid start and end point of the JavaScript functions and properly splits the Transcriptase code.},label={lst:pythonparser}, mathescape=false]
with open("transcriptase.js", "r") as ins:
    total_functions = 1000 
    line = ins.read()
    k = sys.argv[1]        
    required = (int)(total_functions/k)
    cnt,braces,rbraces,sbraces,brackets_match,func_ind = 0,0,0,0,0,0
    skip, eachfun_done = False, False
    data, skip_char = '', ''
    function_start = True
    func = ['f','u','n','c','t','i','o','n']
    for c in line:
        if cnt == required and eachfun_done == True:
            cnt = 0
            eachfun_done = False
            #write data into a file 
            data=''
        if (c=='\textquotedblleft' or c=="\textquoteleft") and skip==False:
            skip = True
            data = data+c
            skip_char = c
            continue
        if skip == True:
            data = data+c
            if skip_char == c:
                skip = False
                skip_char = ''
            continue
        if c == '(':
            rbraces+=1
        elif c == ')':
            rbraces-=1
        if c == '[':
            sbraces+=1
        elif c == ']':
            sbraces-=1
        if c == '{':
            if function_start==True:
                function_start=False
            braces+=1
        elif c == '}':
            braces-=1
        if braces == 0 and sbraces ==0 and rbraces == 0:
            if function_start==False:
                eachfun_done = True
        else:
            data = data +c
            continue 
        if func[func_ind] == c:
            func_ind+=1
        else:
            func_ind=0
        if func_ind == 8:
            total_functions+=1
            cnt+=1
            function_start=True
            eachfun_done = False
            func_ind=0
        data+=c
    if data != "":
        cnt = 0
        eachfun_done = False
        #write data into a file 
        data=''
\end{lstlisting}