forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			70 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from typing import Tuple, Union
 | |
| 
 | |
| 
 | |
| class ParseError(Exception):
 | |
|     def __init__(self, code: str, *args: Union[str, None]):
 | |
|         self.code = code
 | |
|         self.args = args
 | |
|         self.message = get_error_message(code, args)
 | |
| 
 | |
| 
 | |
| def get_error_message(code: str, args: Tuple[Union[str, None], ...]) -> str:
 | |
|     if code == 'E00001':
 | |
|         return 'Generic error'
 | |
|     if code == 'E0002':
 | |
|         return 'Expected an entry start'
 | |
|     if code == 'E0003':
 | |
|         return 'Expected token: "{}"'.format(args[0])
 | |
|     if code == 'E0004':
 | |
|         return 'Expected a character from range: "{}"'.format(args[0])
 | |
|     if code == 'E0005':
 | |
|         msg = 'Expected message "{}" to have a value or attributes'
 | |
|         return msg.format(args[0])
 | |
|     if code == 'E0006':
 | |
|         msg = 'Expected term "-{}" to have a value'
 | |
|         return msg.format(args[0])
 | |
|     if code == 'E0007':
 | |
|         return 'Keyword cannot end with a whitespace'
 | |
|     if code == 'E0008':
 | |
|         return 'The callee has to be an upper-case identifier or a term'
 | |
|     if code == 'E0009':
 | |
|         return 'The argument name has to be a simple identifier'
 | |
|     if code == 'E0010':
 | |
|         return 'Expected one of the variants to be marked as default (*)'
 | |
|     if code == 'E0011':
 | |
|         return 'Expected at least one variant after "->"'
 | |
|     if code == 'E0012':
 | |
|         return 'Expected value'
 | |
|     if code == 'E0013':
 | |
|         return 'Expected variant key'
 | |
|     if code == 'E0014':
 | |
|         return 'Expected literal'
 | |
|     if code == 'E0015':
 | |
|         return 'Only one variant can be marked as default (*)'
 | |
|     if code == 'E0016':
 | |
|         return 'Message references cannot be used as selectors'
 | |
|     if code == 'E0017':
 | |
|         return 'Terms cannot be used as selectors'
 | |
|     if code == 'E0018':
 | |
|         return 'Attributes of messages cannot be used as selectors'
 | |
|     if code == 'E0019':
 | |
|         return 'Attributes of terms cannot be used as placeables'
 | |
|     if code == 'E0020':
 | |
|         return 'Unterminated string expression'
 | |
|     if code == 'E0021':
 | |
|         return 'Positional arguments must not follow named arguments'
 | |
|     if code == 'E0022':
 | |
|         return 'Named arguments must be unique'
 | |
|     if code == 'E0024':
 | |
|         return 'Cannot access variants of a message.'
 | |
|     if code == 'E0025':
 | |
|         return 'Unknown escape sequence: \\{}.'.format(args[0])
 | |
|     if code == 'E0026':
 | |
|         return 'Invalid Unicode escape sequence: {}.'.format(args[0])
 | |
|     if code == 'E0027':
 | |
|         return 'Unbalanced closing brace in TextElement.'
 | |
|     if code == 'E0028':
 | |
|         return 'Expected an inline expression'
 | |
|     if code == 'E0029':
 | |
|         return 'Expected simple expression as selector'
 | |
|     return code
 | 
