AST.py revision 9483 
110447Snilay@cs.wisc.edu# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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27
28from slicc.util import PairContainer, Location
29
30class AST(PairContainer):
31    def __init__(self, slicc, pairs=None):
32        self.slicc = slicc
33        self.location = slicc.currentLocation()
34        self.pairs = {}
35        if pairs:
36            self.pairs.update(getattr(pairs, "pairs", pairs))
37
38    @property
39    def symtab(self):
40        return self.slicc.symtab
41
42    @property
43    def state_machine(self):
44        return self.slicc.symtab.state_machine
45
46    def warning(self, message, *args):
47        self.location.warning(message, *args)
48
49    def error(self, message, *args):
50        self.location.error(message, *args)
51
52    def embedError(self, message, *args):
53        if args:
54            message = message % args
55        code = self.slicc.codeFormatter()
56        code('''
57panic("Runtime Error at ${{self.location}}: %s.\\n", $message);
58''')
59        return code
60