def def_code_generate(self):
generated_code = []
generated_code.append("def "+self.sign+"()")
generated_code.append("\tcase @token")
epsilon_flag = False
for row in self.analized_data:
if row[0] != nonToken.epsilon_symbol:
frst = []
if row[0] != nonToken.repete_start_symbol:
row[0].get_first(frst)
else:
row[1].get_first(frst)
code = "\twhen " + ",".join(frst)
generated_code.append(code)
for i, col in enumerate(row):
if Token.is_generated(col.get_sign()):
code = "\t\tchecktoken(\"" + self.sign + "\", " + col.get_entity() + ")"
elif nonToken.is_generated(col.get_sign()):
code = "\t\t" + col.get_sign() + "()"
elif col == nonToken.repete_start_symbol:
if Token.is_generated(row[i+1].get_sign()):
code = "\t\twhile @token == " + row[i+1].get_entity() + " do"
elif nonToken.is_generated(row[i+1].get_sign()):
frst = []
row[i+1].get_first(frst)
code = "\t\twhile "
for ft in frst:
code += "@token == " + ft + " || "
code = code[:-3] + "do"
elif col == nonToken.repete_end_symbol:
code = "\t\tend"
generated_code.append(code)
else:
epsilon_flag = True
if epsilon_flag:
generated_code.append("\telse")
else:
generated_code.append("\telse")
generated_code.append("\t\tputs \"error\"")
generated_code.append("\t\texit(1)")
generated_code.append("\tend")
generated_code.append("end")
return generated_code
def analize(self, grammars): self.analized_data = [] for i, grammar in enumerate(grammars): if grammar == '': continue self.analized_data.append([]) for unit in grammar: # if "unit" is already generated in Token, if Token.is_generated(unit): rtn = Token.return_token(unit) # if already generated in Non-Token, elif nonToken.is_generated(unit): rtn = nonToken.return_token(unit) elif unit == nonToken.repete_start_symbol.get_sign(): rtn = nonToken.repete_start_symbol elif unit == nonToken.repete_end_symbol.get_sign(): rtn = nonToken.repete_end_symbol elif unit == nonToken.epsilon_symbol.get_sign(): rtn = nonToken.epsilon_symbol else: print u"Error! Token or Non-Token excepted !" print unit self.analized_data[i].append(rtn)
