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159a5d12db
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@14 e7d03fd6-7b0d-0410-9947-9c21f3af8025
170 lines
8.7 KiB
Python
170 lines
8.7 KiB
Python
"""
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GrammarParser.py -- created Mon Feb 28 12:51:35 2000
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This file was automatically generated by the PyLR parser generator.
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It defines the tables 'actiontable', 'gototable', and 'prodinfo'. These
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tables are used to give functionality to a parsing engine. It also defines
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A Parser class called GrammarParser which will use this engine. It's usage
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is indicated in GrammarParser's doc-string.
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"""
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#
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# this section contains source code added by the user
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# plus 'import PyLR'
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#
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import PyLR
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#
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# the action table means
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# ('s', -1) shift
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# ('r', <n>) reduce with production n
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# ('a', -1) accept
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# ('', -1) error
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# each row represents a state and each column a terminal lookahead symbol
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# Lexer symbols are:
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# ['EOF', 'LEX', 'CODE', 'CLASS', 'ID', 'COLON', 'SCOLON', 'OR', 'LPAREN', 'RPAREN', 'GDEL']
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#
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_actiontable = [
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[('', -1), ('s', 10), ('s', 11), ('s', 12), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('s', 5)],
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[('a', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('r', 1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('s', 10), ('s', 11), ('s', 12), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('s', 5)],
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[('r', 2), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('s', 15), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('s', 15), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('s', 7)],
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[('r', 3), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('r', 4), ('r', 4), ('r', 4), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 4)],
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[('', -1), ('r', 5), ('r', 5), ('r', 5), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 5)],
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[('', -1), ('r', 6), ('r', 6), ('r', 6), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 6)],
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[('', -1), ('r', 7), ('r', 7), ('r', 7), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 7)],
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[('', -1), ('r', 8), ('r', 8), ('r', 8), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 8)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('r', 9), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 9)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('r', 10), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 10)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('s', 16), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('s', 28), ('', -1), ('r', 17), ('r', 17), ('r', 17), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('s', 18), ('s', 20), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('r', 11), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 11)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 12), ('r', 12), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('s', 28), ('', -1), ('r', 17), ('r', 17), ('r', 17), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 13), ('r', 13), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 14), ('r', 14), ('s', 23), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('s', 24), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('s', 25), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('', -1), ('r', 15), ('r', 15), ('', -1), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('s', 27), ('', -1), ('r', 16), ('r', 16), ('r', 16), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('r', 18), ('', -1), ('r', 18), ('r', 18), ('r', 18), ('', -1), ('', -1)],
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[('', -1), ('', -1), ('', -1), ('', -1), ('r', 19), ('', -1), ('r', 19), ('r', 19), ('r', 19), ('', -1), ('', -1)]
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]
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#
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# the goto table, each row represents a state
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# and each column the nonterminal that was on the lhs of the
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# reduction
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#
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_gototable = [
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[1, 2, 3, 9, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, 4, None, 8, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, 6, 14, None, None, None, None],
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[None, None, None, None, None, 13, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, 17, 19, 22, 26],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, 21, 22, 26],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None],
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[None, None, None, None, None, None, None, None, None, None]
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]
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#
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# This is the prodinfo table. each row represents a production
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# the entries are the length of the production, the name of a method
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# in an instance of the GrammarParser class below that gets called
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# when that production occurs, and the index of the lhs in the
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# nonterminals (as in the gototable)
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#
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_prodinfo = [
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(1, 'unspecified', 0), # pspec: gspec (unspecified)
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(2, 'unspecified', 0), # pspec: pydefs gspec (unspecified)
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(3, 'unspecified', 1), # gspec: 10 lhsdeflist 10 (unspecified)
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(2, 'unspecified', 2), # pydefs: pydefs pydef (unspecified)
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(1, 'unspecified', 2), # pydefs: pydef (unspecified)
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(1, 'lexdef', 3), # pydef: 1 (lexdef)
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(1, 'addcode', 3), # pydef: 2 (addcode)
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(1, 'classname', 3), # pydef: 3 (classname)
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(2, 'unspecified', 4), # lhsdeflist: lhsdeflist lhsdef (unspecified)
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(1, 'unspecified', 4), # lhsdeflist: lhsdef (unspecified)
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(4, 'lhsdef', 5), # lhsdef: 4 5 rhslist 6 (lhsdef)
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(1, 'singletolist', 6), # rhslist: rhs (singletolist)
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(3, 'rhslist_OR_rhs', 6), # rhslist: rhslist 7 rhs (rhslist_OR_rhs)
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(1, 'rhs_idlist', 7), # rhs: rhsidlist (rhs_idlist)
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(4, 'rhs_idlist_func', 7), # rhs: rhsidlist 8 4 9 (rhs_idlist_func)
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(1, 'unspecified', 8), # rhsidlist: idlist (unspecified)
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(0, 'rhseps', 8), # rhsidlist: (rhseps)
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(2, 'idl_idlistID', 9), # idlist: idlist 4 (idl_idlistID)
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(1, 'idlistID', 9), # idlist: 4 (idlistID)
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]
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class GrammarParser(PyLR.Parser):
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"""
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this class was produced automatically by the PyLR parser generator.
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It is meant to be subclassed to produce a parser for the grammar
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pspec: gspec (unspecified);
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pspec: pydefs gspec (unspecified);
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gspec: GDEL lhsdeflist GDEL (unspecified);
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pydefs: pydefs pydef (unspecified);
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pydefs: pydef (unspecified);
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pydef: LEX (lexdef);
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pydef: CODE (addcode);
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pydef: CLASS (classname);
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lhsdeflist: lhsdeflist lhsdef (unspecified);
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lhsdeflist: lhsdef (unspecified);
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lhsdef: ID COLON rhslist SCOLON (lhsdef);
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rhslist: rhs (singletolist);
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rhslist: rhslist OR rhs (rhslist_OR_rhs);
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rhs: rhsidlist (rhs_idlist);
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rhs: rhsidlist LPAREN ID RPAREN (rhs_idlist_func);
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rhsidlist: idlist (unspecified);
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rhsidlist: (rhseps);
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idlist: idlist ID (idl_idlistID);
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idlist: ID (idlistID);
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While parsing input, if one of the above productions is recognized,
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a method of your sub-class (whose name is indicated in parens to the
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right) will be invoked. Names marked 'unspecified' should be ignored.
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usage:
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class MyGrammarParser(GrammarParser):
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# ...define the methods for the productions...
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p = MyGrammarParser(); p.parse(text)
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"""
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def __init__(self):
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lexer = PyLR.GrammarLexer()
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PyLR.Parser.__init__(self, lexer, _actiontable, _gototable, _prodinfo)
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