lexarname =None

gramarspec =None

inputfile =None

outputtype =None

outputfile =None

argc= len(args)

if argc == 1:

print "usage: main.py lexarname, gramarspec, inputfile,[output-type] [output-file ]\n"

return

if argc > 1 :

lexarname = args[1]

if argc > 2 :

gramarspec = args[2]

if argc > 3 :

inputfile = args[3]

if argc > 4 :

outputtype=args[4]

else:

outputtype="dot"

if argc > 5 :

outputfile = args[5]

else:

outputfile = inputfile

G = Grammar()

source = open(gramarspec,'r')

G.generate(source)

G.bnf2cnf()

print "grammer==",G

if sep in lexarname:

lexarname = lexarname.replace(sep,".")

lexerclass=__import__(lexarname)

lexer=lexerclass.Lexer()

lexer.scan(inputfile)

S=lexer.getStream()

print "stream ===",S

C=CYKChart()

C.Build_CYK_Chart(G,S)

print C

print C.graph

if outputtype=="dot":

genDot(C,outputfile)

system("dot -Tjpg %s -o %s "%(outputfile, outputfile)) # todo, see if dot takes STDIN so I can pipe this to it

print "%s generated"%(outputfile)

elif outputtype=="js":