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