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# Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "Simple interpreter" project.
# For details, see https://github.com/egor-tensin/simple-interpreter.
# Distributed under the MIT License.
class Token:
pass
class AdditionOpToken(Token):
def __str__(self):
return '+'
class SubtractionOpToken(Token):
def __str__(self):
return '-'
class MultiplicationOpToken(Token):
def __str__(self):
return '*'
class DivisionOpToken(Token):
def __str__(self):
return '/'
class AssignmentOpToken(Token):
def __str__(self):
return ':='
class SemicolonToken(Token):
def __str__(self):
return ';'
class PrintToken(Token):
def __str__(self):
return 'print'
class OpeningParenToken(Token):
def __str__(self):
return '('
class ClosingParenToken(Token):
def __str__(self):
return ')'
class OpeningBraceToken(Token):
def __str__(self):
return '{'
class ClosingBraceToken(Token):
def __str__(self):
return '}'
class IdentifierToken(Token):
def __init__(self, i):
self._i = i
def __str__(self):
return str(self._i)
class FloatingPointNumberToken(Token):
def __init__(self, n):
self._n = n
def __float__(self):
return float(self._n)
def __str__(self):
return str(self._n)
class IntegerNumberToken(Token):
def __init__(self, n):
self._n = n
def __int__(self):
return int(self._n)
def __str__(self):
return str(self._n)
class TrueToken(Token):
def __str__(self):
return 'True'
class FalseToken(Token):
def __str__(self):
return 'False'
class AndOpToken(Token):
def __str__(self):
return '&&'
class OrOpToken(Token):
def __str__(self):
return '||'
class IfToken(Token):
def __str__(self):
return 'if'
class EqualsOpToken(Token):
def __str__(self):
return '=='
class NotEqualsOpToken(Token):
def __str__(self):
return '!='
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