1#
2# Copyright (c) 2013 Advanced Micro Devices, Inc.
3# Copyright (c) 2011 Mark D. Hill and David A. Wood
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer;
10# redistributions in binary form must reproduce the above copyright
11# notice, this list of conditions and the following disclaimer in the
12# documentation and/or other materials provided with the distribution;
13# neither the name of the copyright holders nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29
30from slicc.ast.StatementAST import StatementAST
31from slicc.symbols import Var
32
33class LocalVariableAST(StatementAST):
34    def __init__(self, slicc, type_ast, ident, pointer = False):
35        super(LocalVariableAST, self).__init__(slicc)
36        self.type_ast = type_ast
37        self.ident    = ident
38        self.pointer = pointer
39
40    def __repr__(self):
41        return "[LocalVariableAST: %r %r]" % (self.type_ast, self.ident)
42
43    @property
44    def name(self):
45        return self.var_name
46
47    def inline(self, get_type=False):
48        code = self.slicc.codeFormatter(fix_newlines=False)
49        return_type = self.generate(code)
50        if get_type:
51            return return_type, code
52        else:
53            return code
54
55    def generate(self, code):
56        type = self.type_ast.type;
57        ident = "%s" % self.ident;
58
59        # Add to symbol table
60        v = Var(self.symtab, self.ident, self.location, type, ident,
61                self.pairs)
62        self.symtab.newSymbol(v)
63        if self.pointer or str(type) == "TBE" or (
64           "interface" in type and (
65               type["interface"] == "AbstractCacheEntry" or
66               type["interface"] == "AbstractEntry")):
67            code += "%s* %s" % (type.c_ident, ident)
68        else:
69            code += "%s %s" % (type.c_ident, ident)
70        return type
71