本文整理汇总了Python中grammar.Grammar.bnf2cnf方法的典型用法代码示例。如果您正苦于以下问题：Python Grammar.bnf2cnf方法的具体用法？Python Grammar.bnf2cnf怎么用？Python Grammar.bnf2cnf使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类grammar.Grammar的用法示例。
在下文中一共展示了Grammar.bnf2cnf方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test
# 需要导入模块: from grammar import Grammar [as 别名]
# 或者: from grammar.Grammar import bnf2cnf [as 别名]
def test(string='balance.txt', spec='g1.txt'):
from balance import BalanceLexer
G = Grammar()
source = open(spec,'r')
G.generate(source)
G.bnf2cnf()
print "grammer==",G
lexer= BalanceLexer()
balance=open(string,'r')
lexer.scanFile(balance)
S=lexer.getStream()
print "stream ===",S
C=CYKChart()
C.Build_CYK_Chart(G,S)
print C示例2: solve
# 需要导入模块: from grammar import Grammar [as 别名]
# 或者: from grammar.Grammar import bnf2cnf [as 别名]
def solve():
G = Grammar()
source = open("cky.txt",'r')
G.generate(source)
G.bnf2cnf()
print "grammer==",G
lexer= Telescope()
balance=open('telescope','r')
lexer.scanFile(balance)
S=lexer.getStream()
print "stream ===",S
C=CYKChart()
C.Build_CYK_Chart(G,S)
print C
genDot(C,"cky.dot")
system("dot -Tjpg cky.dot -o cky.jpg")
print "cky.jpg created"示例3: main
# 需要导入模块: from grammar import Grammar [as 别名]
# 或者: from grammar.Grammar import bnf2cnf [as 别名]
def main(args):
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":
genVIZ(C,outputfile)示例4: solve
# 需要导入模块: from grammar import Grammar [as 别名]
# 或者: from grammar.Grammar import bnf2cnf [as 别名]
def solve():
from os import system
G = Grammar()
source = open("infix.txt",'r')
G.generate(source)
G.bnf2cnf()
print "grammer==",G
lexer= Infix()
balance=open('input.txt','r')
lexer.scanFile(balance)
S=lexer.getStream()
print "stream ===",S
C=CYKChart()
C.Build_CYK_Chart(G,S)
print C
print C.graph
genDot(C,"infix.dot")
system("dot -Tjpg infix.dot -o infix.jpg")
print "infix.jpg created"