API tools faq
paste
Advertisement
3snoW

Drive-In Window Interpreter

3snoW
Mar 5th, 2019
605
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Python 18.29 KB | None | 0 0
raw download clone embed print report
  1. # Hi, welcome to Drive-In Window Interpreter. Here is the menu.
  2. #
  3. # to know more about this programming language: $0
  4. #
  5. # Here are your sides.
  6. #
  7. # Interpreter Author 3snoW:  $2019
  8. # Language Creator JWinslow23: $2013
  9. # Marshmallows: $5
  10. #
  11. # May I take your order?
  12. #
  13. # Person 1 would like to know more about this programming language.
  14. #
  15. # OK, that will be https://esolangs.org/wiki/Drive-In_Window. Thanks for coming!
  16.  
  17. import sys
  18.  
  19. showWarnings = False #Change to true to display warning messages!
  20.  
  21. def _find_getch():
  22.     try:
  23.         import termios
  24.     except ImportError:
  25.         # Non-POSIX. Return msvcrt's (Windows') getch.
  26.         import msvcrt
  27.         return msvcrt.getch
  28.  
  29.     # POSIX system. Create and return a getch that manipulates the tty.
  30.     import sys, tty
  31.     def _getch():
  32.         fd = sys.stdin.fileno()
  33.         old_settings = termios.tcgetattr(fd)
  34.         try:
  35.             tty.setraw(fd)
  36.             ch = sys.stdin.read(1)
  37.         finally:
  38.             termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
  39.         return ch
  40.  
  41.     return _getch
  42.  
  43. getch = _find_getch()
  44.  
  45. def printErrorMessage(filename,line_number,line,message):
  46.     errorMessage = "\n"+'Error while parsing \''+filename+'\' at line '+str(line_number) + ' : ' + line
  47.     errorMessage += "\n\t" + message
  48.     print errorMessage
  49.  
  50. def printWarningMessage(filename,line_number,line,message):
  51.     errorMessage = 'Warning while parsing \''+filename+'\' at line '+str(line_number) + ' : ' + line
  52.     errorMessage += "\n\t" + message
  53.     print errorMessage
  54.  
  55. if(len(sys.argv) > 1):
  56.     filename = sys.argv[1]
  57. else:
  58.     print 'File to parse: '
  59.     filename = raw_input().strip()
  60.  
  61. commands = []
  62. f = open(filename,'r')
  63. for line in f:
  64.     commands.append(line.strip())
  65. f.close()
  66.  
  67. people = {}
  68. menu = {}
  69. for_dict = {}
  70. end_for_dict = {}
  71.  
  72. declarationState = 'start'
  73. errorMessage = ''
  74. line_number = 0
  75. success = True
  76. digits = '0123456789'
  77.  
  78. while line_number < len(commands):
  79.     line = commands[line_number]
  80.     warningMessage = ''
  81.     line = line.strip()
  82.     if not line:
  83.         line_number += 1
  84.         continue
  85.     if declarationState == 'start':
  86.         split_line = line.split('Hi, welcome to ')
  87.         if len(split_line)<2:
  88.             success = False
  89.         else:
  90.             split_line = split_line[1]
  91.             split_line = split_line.split('. Here is a menu.')[0]
  92.             split_line = split_line.strip()
  93.             if not split_line:
  94.                 success = False
  95.         if not success:
  96.             errorMessage = 'Invalid Restaurant declaration. First sentence must be in the form of "Hi, welcome to __RESTAURANT_NAME__. Here is a menu."'
  97.         else:
  98.             declarationState = 'menu'  
  99.     elif declarationState == 'menu':
  100.         split_line = line.split(':')
  101.         if not len(split_line) == 2:
  102.             if line == 'Here are your sides.' or line == 'May I take your order?':
  103.                 if not menu:
  104.                     success = False
  105.                     errorMessage = 'Menu can\'t be empty!'
  106.                 elif line == 'Here are your sides.':
  107.                     declarationState = 'sides'
  108.                 else:
  109.                     declarationState = 'main'
  110.             else:
  111.                 success = False
  112.                 errorMessage = 'Menu entries must be in the form of "__MENU_ENTRY__: $__PRICE__".'
  113.         else:
  114.             menu_entry = split_line[0].strip()
  115.             price = split_line[1].strip()
  116.             if not price[0] == '$':
  117.                 success = False
  118.                 errorMessage = 'Menu prices must be in dollars.'
  119.             elif not price[-1] == '0':
  120.                 success = False
  121.                 errorMessage = 'Menu prices must be multiples of 10 dollars.'
  122.             else:
  123.                 price = price[1:]
  124.                 for digit in price:
  125.                     if not digit in digits:
  126.                         success = False
  127.                         errorMessage = 'Menu prices must be whole numbers.'
  128.                         break
  129.             if success:
  130.                 if menu_entry in menu:
  131.                     warningMessage = 'Menu entry "'+menu_entry+'" was already declared with a value of $'+str(menu[menu_entry])
  132.                 menu[menu_entry] = int(price)
  133.     elif declarationState == 'sides':
  134.         split_line = line.split(':')
  135.         if not len(split_line) == 2:
  136.             if line == 'May I take your order?':
  137.                 declarationState = 'main'
  138.             else:
  139.                 success = False
  140.                 errorMessage = 'Menu entries must be in the form of "__MENU_ENTRY__: $__PRICE__".'
  141.         else:
  142.             menu_entry = split_line[0].strip()
  143.             price = split_line[1].strip()
  144.             if not price[0] == '$':
  145.                 success = False
  146.                 errorMessage = 'Menu prices must be in dollars.'
  147.             else:
  148.                 price = price[1:]
  149.                 for digit in price:
  150.                     if not digit in digits:
  151.                         success = False
  152.                         errorMessage = 'Menu prices must be whole numbers.'
  153.                         break
  154.             if success:
  155.                 if menu_entry in menu:
  156.                     warningMessage = 'Menu entry "'+menu_entry+'" was already declared with a value of $'+str(menu[menu_entry]+'. Old value was replaced.')
  157.                 menu[menu_entry] = int(price)
  158.     elif declarationState == 'main':
  159.        
  160.         #Person N would (not|also) like what Person Y has.
  161.         if ' would ' in line and ' like what Person ' in line:
  162.             split_line = line.split('Person ')
  163.             if split_line[0] or (not line[-5:] == ' has.') or (not len(split_line)==3):
  164.                 success = False
  165.                 errorMessage = 'Invalid syntax.'
  166.             else:
  167.                 person1 = split_line[1].split(' would ')[0].strip()
  168.                 person2 = split_line[2].split(' has.')[0].strip()
  169.                 modifier = split_line[1].split(' would ')[1].split(' like ')[0].strip()
  170.  
  171.                 for digit in person1:
  172.                     if not digit in digits:
  173.                         success = False
  174.                         errorMessage = 'Person must be a positive whole number.'
  175.                         break
  176.                 for digit in person2:
  177.                     if not digit in digits:
  178.                         success = False
  179.                         errorMessage = 'Person must be a positive whole number.'
  180.                         break
  181.                 #Parse people:
  182.                 if success:
  183.                     person1 = int(person1)
  184.                     person2 = int(person2)
  185.                     if person1 == 0 or person2==0:
  186.                         success = False
  187.                         errorMessage = 'Person must be greater than 0'
  188.                     elif person1 not in people:
  189.                         people[person1] = 0
  190.                     elif person2 not in people:
  191.                         people[person2] = 0
  192.                 #Assign people:
  193.                 if success:
  194.                     if not modifier:
  195.                         people[person1] = people[person2]
  196.                     elif modifier == 'not':
  197.                         people[person1] -= people[person2]
  198.                     elif modifier == 'also':
  199.                         people[person1] += people[person2]
  200.                     else:
  201.                         success = False
  202.                         errorMessage = '"' + modifier + '" is not a valid modifier for a "would like" command. Valid modifiers are "would not like" and "would also like".'
  203.                     people[person1] %= 256                    
  204.  
  205.         #Person N would (not|also) like menu_item( with side_item|, hold the side_item).
  206.         elif 'Person ' in line and ' would ' in line and ' like ' in line:
  207.             split_line = line.split('Person ')
  208.             if split_line[0] or not line[-1] == '.':
  209.                 success = False
  210.                 errorMessage = 'Invalid syntax.'
  211.             else:
  212.                 split_line = split_line[1].split(' would ')
  213.                 person = split_line[0].strip()
  214.                 split_line = split_line[1].split('like ')
  215.                 item = split_line[1]
  216.                 for digit in person:
  217.                     if not digit in digits:
  218.                         success = False
  219.                         errorMessage = 'Person must be a positive whole number.'
  220.                         break
  221.                 #Parse person
  222.                 if success:
  223.                     person = int(person)
  224.                     if person == 0:
  225.                         success = False
  226.                         errorMessage = 'Person must be greater than 0'
  227.                     elif person not in people:
  228.                         people[person] = 0
  229.                 #Parse menu item and side dish
  230.                 if success:
  231.                     side_price = 0
  232.                     if ' with ' in item or ', hold the ' in item:
  233.                         if ' with ' in item:
  234.                             mod_with = True
  235.                             split_item = item.split(' with ')
  236.                         else:
  237.                             mod_with = False
  238.                             split_item = item.split(', hold the ')
  239.                         item = split_item[0].strip()
  240.                         if item[0:3] == 'the':
  241.                             item = item[3:].lstrip()
  242.                         side = split_item[1]
  243.                         if side[0:3] == 'the':
  244.                             side = side[3:].lstrip()
  245.                         side = side[0:-1].strip()
  246.                         if side not in menu:
  247.                             success = False
  248.                             errorMessage = 'Side dish "'+side+'" was not declared in the menu.'
  249.                         else:
  250.                             if mod_with:
  251.                                 side_price = menu[side]
  252.                             else:
  253.                                 side_price = -menu[side]
  254.                     else:
  255.                         if item[0:3] == 'the':
  256.                             item = item[3:].lstrip()
  257.                         item = item[0:-1].strip()
  258.                     if not item in menu:
  259.                         success = False
  260.                         errorMessage = 'Menu item "'+item+'" was not declared in the menu.'
  261.                     else:
  262.                         dish_price = menu[item]+side_price
  263.                 #Assign value to person
  264.                 if success:
  265.                     modifier = split_line[0].strip()
  266.                     if not modifier:
  267.                         people[person] = dish_price
  268.                     elif modifier == 'not':
  269.                         people[person] -= dish_price
  270.                     elif modifier == 'also':
  271.                         people[person] += dish_price
  272.                     else:
  273.                         success = False
  274.                         errorMessage = '"' + modifier + '" is not a valid modifier for a "would like" command. Valid modifiers are "would not like" and "would also like".'
  275.                     people[person] %= 256
  276.  
  277.         #Person N will pay for his order!
  278.         elif 'Person ' in line and ' will pay for his order!' in line:
  279.             split_line = line.split('Person ')
  280.             if split_line[0]:
  281.                 success = False
  282.                 errorMessage = 'Invalid syntax.'
  283.             else:
  284.                 split_line = split_line[1].split(' will pay for his order!')
  285.                 person = split_line[0].strip()
  286.                 for digit in person:
  287.                     if not digit in digits:
  288.                         success = False
  289.                         errorMessage = 'Person must be a positive whole number.'
  290.                         break
  291.                 #Parse person
  292.                 if success:
  293.                     person = int(person)
  294.                     if person == 0:
  295.                         success = False
  296.                         errorMessage = 'Person must be greater than 0'
  297.                     elif person not in people:
  298.                         people[person] = 0
  299.                 #Print person value:
  300.                 if success:
  301.                     sys.stdout.write(str(unichr(people[person])))
  302.         #Person N needs X dollars more/less for his order!
  303.         elif 'Person 'in line and ' needs ' in line and (' dollars ' in line or ' dollar ' in line) and ' for his order!' in line and (' more ' in line or ' less 'in line):
  304.             split_line = line.split('Person ')
  305.             if split_line[0]:
  306.                 success = False
  307.                 errorMessage = 'Invalid syntax.'
  308.             else:
  309.                 adding = ' more ' in line
  310.                 split_line[1] = split_line[1].replace(' more ',' ').replace(' less ',' ')
  311.                 person = split_line[1].split(' needs ')[0].strip()
  312.                 if ' dollars ' in line:
  313.                     money = split_line[1].split(' needs ')[1].split(' dollars ')[0].strip()
  314.                 else:
  315.                     money = split_line[1].split(' needs ')[1].split(' dollar ')[0].strip()
  316.                
  317.                 for digit in person:
  318.                     if not digit in digits:
  319.                         success = False
  320.                         errorMessage = 'Person must be a positive whole number.'
  321.                         break
  322.                 for digit in money:
  323.                     if not digit in digits:
  324.                         success = False
  325.                         errorMessage = 'dollars must be a positive whole number.'
  326.                         break
  327.                 #Parse person
  328.                 if success:
  329.                     person = int(person)
  330.                     if person == 0:
  331.                         success = False
  332.                         errorMessage = 'Person must be greater than 0'
  333.                     elif person not in people:
  334.                         people[person] = 0
  335.                 #Parse money and assign value
  336.                 if success:
  337.                     if adding:
  338.                         money = int(money)
  339.                     else:
  340.                         money = -1 * int(money)
  341.                     if ' dollar ' in line and not money == 1:
  342.                         warningMessage = 'Using "dollar" to reference a non singular amount of money.'
  343.                     elif ' dollars ' in line and money == 1:
  344.                         warningMessage = 'Using "dollars" to reference a single dollar.'
  345.                     people[person] += money
  346.  
  347.         elif 'OK, what should Person ' in line and ' get?' in line:
  348.             person = line.replace('OK, what should Person ','').replace(' get?','').strip()
  349.             for digit in person:
  350.                 if not digit in digits:
  351.                     success = False
  352.                     errorMessage = 'Person must be a positive whole number.'
  353.                     break
  354.             if success:
  355.                 person = int(person)
  356.                 if person == 0:
  357.                     success = False
  358.                     errorMessage = 'Person must be greater than 0'
  359.             if success:
  360.                 people[person] = ord(getch())
  361.         elif 'OK, how much money should Person ' in line and ' have?' in line:
  362.             person = line.replace('OK, how much money should Person ','').replace(' have?','').strip()
  363.             for digit in person:
  364.                 if not digit in digits:
  365.                     success = False
  366.                     errorMessage = 'Person must be a positive whole number.'
  367.                     break
  368.             if success:
  369.                 person = int(person)
  370.                 if person == 0:
  371.                     success = False
  372.                     errorMessage = 'Person must be greater than 0'
  373.             if success:
  374.                 people[person] = int(raw_input().strip())
  375.         elif 'Let\'s just do this until Person ' in line and ' has no more money!' in line:
  376.             if line_number not in for_dict:
  377.                 for_stack = []
  378.                 for cur_line_number in range(line_number,len(commands)):
  379.                     cur_line = commands[cur_line_number]
  380.                     if 'Let\'s just do this until Person ' in cur_line and ' has no more money!' in cur_line:
  381.                         for_stack.append(cur_line_number)
  382.                     elif 'Person ' in cur_line and ' has no more money!' in cur_line:
  383.                         for_start = for_stack.pop()
  384.                         for_end = cur_line_number
  385.                         for_dict[for_start] = for_end
  386.                         end_for_dict[for_end] = for_start
  387.                         if not for_stack:
  388.                             break
  389.                 if for_stack:
  390.                     success = False
  391.                     errorMessage = 'This loop has no end!'
  392.             if success:
  393.                 person = line.replace('Let\'s just do this until Person ','').replace(' has no more money!','').strip()
  394.                 for digit in person:
  395.                     if not digit in digits:
  396.                         success = False
  397.                         errorMessage = 'Person must be a positive whole number.'
  398.                         break
  399.             if success:
  400.                 person = int(person)
  401.                 if person == 0:
  402.                     success = False
  403.                     errorMessage = 'Person must be greater than 0'
  404.             if success and people[person] == 0:
  405.                 line_number = for_dict[line_number]
  406.  
  407.         elif 'Person ' in line and ' has no more money!' in line:
  408.             if line_number not in end_for_dict:
  409.                 success = False
  410.                 errorMessage = 'This loop has no start!'
  411.             else:
  412.                 line_number = end_for_dict[line_number]-1
  413.         elif line == 'Just wait while we decide...':
  414.             raw_input()
  415.        
  416.         elif 'OK, that will be ' in line and '. Thanks for coming!' in line:
  417.             declarationState = 'finished'
  418.         else:
  419.             success = False
  420.             errorMessage = 'Unknown command, check the syntax.'
  421.     else:
  422.         break
  423.     if not success:
  424.         declarationState = 'error'
  425.         break
  426.     if showWarnings and warningMessage:
  427.         printWarningMessage(filename,line_number,line,warningMessage)
  428.     line_number += 1
  429. #end while
  430.  
  431. if declarationState == 'error':
  432.     printErrorMessage(filename,line_number,line,errorMessage)
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!