42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
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import lex
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class DiffGrammar(lex.Grammar):
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GRAMMAR_LIST = [
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{'name': "left",
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'expr': "(?:^|(?<=\n))\-.*(?:$|\n)",
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'action': lex.make_token},
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{'name': "right",
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'expr': "(?:^|(?<=\n))\+.*(?:$|\n)",
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'action': lex.make_token},
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#RCS file: /usr/local/cvsroot/TBB_v2/main_application/lib/TBB/EfileServer.pm,v
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#retrieving revision 1.57
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#diff -u -r1.57 EfileServer.pm
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{'name': "cvs metadata",
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'expr': "(?:^|(?<=\n))Index: .*\n={67}\nRCS file: .*,v\nretrieving revision [0-9.]+\ndiff -u .*(?:$|\n)",
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'action': lex.make_token},
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{'name': "svn metadata",
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'expr': "(?:^|(?<=\n))Index: .*\n={67}(?:$|\n)",
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'action': lex.make_token},
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{'name': "location",
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'expr': "(?:^|(?<=\n))@@ [-+0-9a-z, ]* @@(?:$|\n)",
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'action': lex.make_token},
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{'name': "common",
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'expr': "(?:^|(?<=\n)).*(?:$|\n)",
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'action': lex.make_token},
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{'name': "default",
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'expr': r'\\.|.|\n',
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'action': lex.silent}
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]
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def _default_rules(self):
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"""subclasses can override this to define defaults for a grammar"""
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for rdir in DiffGrammar.GRAMMAR_LIST:
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self.add_rule(**rdir)
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