FormalParamAST.py revision 6882 
1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
2# Copyright (c) 2009 The Hewlett-Packard Development Company
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
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8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27
28from slicc.ast.AST import AST
29from slicc.symbols import Var
30
31class FormalParamAST(AST):
32    def __init__(self, slicc, type_ast, ident, default = None, pointer = False):
33        super(FormalParamAST, self).__init__(slicc)
34        self.type_ast = type_ast
35        self.ident = ident
36        self.default = default
37        self.pointer = pointer
38
39    def __repr__(self):
40        return "[FormalParamAST: %s]" % self.ident
41
42    @property
43    def name(self):
44        return self.ident
45
46    def generate(self):
47        type = self.type_ast.type
48        param = "param_%s" % self.ident
49
50        # Add to symbol table
51        v = Var(self.symtab, self.ident, self.location, type, param,
52                self.pairs)
53        self.symtab.newSymbol(v)
54        return type, "%s %s" % (type.c_ident, param)
55