tools/lexer_generator/term.py - Issue 170253007: Experimental parser: always apply default transitions

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Issue 170253007: Experimental parser: always apply default transitions (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser

Patch Set: Created 6 years, 10 months ago

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1 # Copyright 2014 the V8 project authors. All rights reserved.	1 # Copyright 2014 the V8 project authors. All rights reserved.

2 # Redistribution and use in source and binary forms, with or without	2 # Redistribution and use in source and binary forms, with or without

3 # modification, are permitted provided that the following conditions are	3 # modification, are permitted provided that the following conditions are

4 # met:	4 # met:

5 #	5 #

6 # * Redistributions of source code must retain the above copyright	6 # * Redistributions of source code must retain the above copyright

7 # notice, this list of conditions and the following disclaimer.	7 # notice, this list of conditions and the following disclaimer.

8 # * Redistributions in binary form must reproduce the above	8 # * Redistributions in binary form must reproduce the above

9 # copyright notice, this list of conditions and the following	9 # copyright notice, this list of conditions and the following

10 # disclaimer in the documentation and/or other materials provided	10 # disclaimer in the documentation and/or other materials provided

(...skipping 49 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
60 def __nonzero__(self):	60 def __nonzero__(self):

61 'true <==> self == empty_term'	61 'true <==> self == empty_term'

62 return bool(self.__tuple[0])	62 return bool(self.__tuple[0])

63	63

64 def __eq__(self, other):	64 def __eq__(self, other):

65 return (isinstance(other, self.__class__) and self.__tuple == other.__tuple)	65 return (isinstance(other, self.__class__) and self.__tuple == other.__tuple)

66	66

67 # TODO(dcarney): escape '(', ')' and ',' in strings	67 # TODO(dcarney): escape '(', ')' and ',' in strings

68 def __str__(self):	68 def __str__(self):

69 if self.__str == None:	69 if self.__str == None:

70 self.__str = '(%s)' % ','.join(map(str, self.__tuple))	70 if not self:

	71 self.__str = ''

	72 else:

	73 self.__str = '%s(%s)' % (self.name(), ','.join(map(str, self.args())))

71 return self.__str	74 return self.__str

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