# Copyright 2015 Egor Tensin # This file is licensed under the terms of the MIT License. # See LICENSE.txt for details. 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 '!='