# Path: pydsl/grammar/symbol.py
# class TerminalSymbol(Symbol):
# 
#     def __init__(self, gd):
#         if not isinstance(gd, Grammar):
#             raise TypeError("Expected Grammar, got %s" % (gd,))
#         Symbol.__init__(self)
#         if not gd:
#             raise Exception
#         self.gd = gd
# 
#     def __hash__(self):
#         return hash(self.gd)
# 
#     def check(self, data):# ->bool:
#         """Checks if input is recognized as this symbol"""
#         return check(self.gd, data)
# 
#     def first(self):
#         return self.gd.first
# 
#     def __eq__(self, other):
#         """StringTerminalSymbol are equals if definition and names are equal"""
#         try:
#             return self.gd == other.gd
#         except AttributeError:
#             return False
# 
#     def __str__(self):
#         return "<TS: " + str(self.gd) + ">"
# 
# class NonTerminalSymbol(str, Symbol):
#     def __init__(self, name):
#         Symbol.__init__(self)
# 
#     def __str__(self):
#         return "<NonTS: " + self + ">"
# 
#     def __hash__(self):
#         return str.__hash__(self)
# 
#     def __eq__(self, other):
#         if not isinstance(other, NonTerminalSymbol):
#             return False
#         return str.__eq__(self,other)
# 
# class NullSymbol(Symbol):
#     _instance = None
#     def __new__(cls):
#         if not cls._instance:
#             cls._instance = super(NullSymbol, cls).__new__(cls)
#         return cls._instance
# 
#     def __eq__(self, other):
#         return isinstance(other, NullSymbol)
# 
#     def __ne__(self, other):
#         return not self.__eq__(other)
# 
#     def __bool__(self):
#         return False
# 
# Path: pydsl/grammar/BNF.py
# class Production(object):
# 
#     def __init__(self, leftside, rightside):
#         # Left side must have at least one non terminal symbol
#         for element in rightside:
#             if not isinstance(element, Symbol):
#                 raise TypeError
#         self.leftside = tuple(leftside)
#         self.rightside = tuple(rightside)
# 
#     def __str__(self):
#         leftstr = " ".join([x for x in self.leftside])
#         rightstr = " ".join([str(x) for x in self.rightside])
#         return leftstr + "::=" + rightstr
# 
#     def __eq__(self, other):
#         try:
#             if len(self.leftside) != len(other.leftside):
#                 return False
#             if len(self.rightside) != len(other.rightside):
#                 return False
#             if not list_eq(self.leftside, other.leftside):
#                 return False
#             if not list_eq(self.rightside, other.rightside):
#                 return False
#         except AttributeError:
#             return False
#         return True
# 
#     def __hash__(self):
#         return hash(self.leftside) & hash(self.rightside)


import logging
import re
from pydsl.grammar.symbol import TerminalSymbol, NonTerminalSymbol, NullSymbol
from pydsl.grammar.BNF import Production
    from pydsl.grammar.definition import String
    from pydsl.grammar.BNF import BNFGrammar
        n += 1
    return result

def read_terminal_production(line, repository):
    leftside, rightside = line.split(":=")
    leftside = leftside.strip()
    symbolnames = leftside.split(" ")
    if len(symbolnames) != 1:
        LOG.error("Error generating terminal rule: " + line + "At left side")
        raise ValueError("Error reading left side of terminal production rule")
    #leftside is symbolname
    rightside = rightside.strip()
    #regexp to detect rightside: String, Grammar
    if re.search("^String", rightside):
        newsymbol = __generateStringSymbol(rightside)
    elif re.search("^Word", rightside):
        newsymbol = __generateWordSymbol(rightside, repository)
    elif re.search("^Null", rightside):
        newsymbol = NullSymbol()
    else:
        raise ValueError("Unknown terminal production type " + str(rightside))
    return symbolnames[0], newsymbol


def strlist_to_production_set(linelist, repository = None, start_symbol = "S"):
    if repository is None:
        repository = {}
    nonterminalrulelist = []
    terminalrulelist = []
    rulelist = []

# Path: pydsl/grammar/symbol.py
# class TerminalSymbol(Symbol):
# 
#     def __init__(self, gd):
#         if not isinstance(gd, Grammar):
#             raise TypeError("Expected Grammar, got %s" % (gd,))
#         Symbol.__init__(self)
#         if not gd:
#             raise Exception
#         self.gd = gd
# 
#     def __hash__(self):
#         return hash(self.gd)
# 
#     def check(self, data):# ->bool:
#         """Checks if input is recognized as this symbol"""
#         return check(self.gd, data)
# 
#     def first(self):
#         return self.gd.first
# 
#     def __eq__(self, other):
#         """StringTerminalSymbol are equals if definition and names are equal"""
#         try:
#             return self.gd == other.gd
#         except AttributeError:
#             return False
# 
#     def __str__(self):
#         return "<TS: " + str(self.gd) + ">"
# 
# class NonTerminalSymbol(str, Symbol):
#     def __init__(self, name):
#         Symbol.__init__(self)
# 
#     def __str__(self):
#         return "<NonTS: " + self + ">"
# 
#     def __hash__(self):
#         return str.__hash__(self)
# 
#     def __eq__(self, other):
#         if not isinstance(other, NonTerminalSymbol):
#             return False
#         return str.__eq__(self,other)
# 
# class NullSymbol(Symbol):
#     _instance = None
#     def __new__(cls):
#         if not cls._instance:
#             cls._instance = super(NullSymbol, cls).__new__(cls)
#         return cls._instance
# 
#     def __eq__(self, other):
#         return isinstance(other, NullSymbol)
# 
#     def __ne__(self, other):
#         return not self.__eq__(other)
# 
#     def __bool__(self):
#         return False
# 
# Path: pydsl/grammar/BNF.py
# class Production(object):
# 
#     def __init__(self, leftside, rightside):
#         # Left side must have at least one non terminal symbol
#         for element in rightside:
#             if not isinstance(element, Symbol):
#                 raise TypeError
#         self.leftside = tuple(leftside)
#         self.rightside = tuple(rightside)
# 
#     def __str__(self):
#         leftstr = " ".join([x for x in self.leftside])
#         rightstr = " ".join([str(x) for x in self.rightside])
#         return leftstr + "::=" + rightstr
# 
#     def __eq__(self, other):
#         try:
#             if len(self.leftside) != len(other.leftside):
#                 return False
#             if len(self.rightside) != len(other.rightside):
#                 return False
#             if not list_eq(self.leftside, other.leftside):
#                 return False
#             if not list_eq(self.rightside, other.rightside):
#                 return False
#         except AttributeError:
#             return False
#         return True
# 
#     def __hash__(self):
#         return hash(self.leftside) & hash(self.rightside)


# Path: pydsl/file/BNF.py
import logging
import re
from pydsl.grammar.symbol import TerminalSymbol, NonTerminalSymbol, NullSymbol
from pydsl.grammar.BNF import Production
    from pydsl.grammar.definition import String
    from pydsl.grammar.BNF import BNFGrammar

        n += 1
    return result

def read_terminal_production(line, repository):
    leftside, rightside = line.split(":=")
    leftside = leftside.strip()
    symbolnames = leftside.split(" ")
    if len(symbolnames) != 1:
        LOG.error("Error generating terminal rule: " + line + "At left side")
        raise ValueError("Error reading left side of terminal production rule")
    #leftside is symbolname
    rightside = rightside.strip()
    #regexp to detect rightside: String, Grammar
    if re.search("^String", rightside):
        newsymbol = __generateStringSymbol(rightside)
    elif re.search("^Word", rightside):
        newsymbol = __generateWordSymbol(rightside, repository)
    elif re.search("^Null", rightside):
        newsymbol = NullSymbol()
    else:
        raise ValueError("Unknown terminal production type " + str(rightside))
    return symbolnames[0], newsymbol


def strlist_to_production_set(linelist, repository = None, start_symbol = "S"):
    if repository is None:
        repository = {}
    nonterminalrulelist = []
    terminalrulelist = []
    rulelist = []

    symboldict = {"Null":NullSymbol()}