1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* IfStatementAST.C
*
* Description: See IfStatementAST.hh
*
* $Id$
*
*/
#include "mem/slicc/ast/IfStatementAST.hh"
IfStatementAST::IfStatementAST(ExprAST* cond_ptr,
StatementListAST* then_ptr,
StatementListAST* else_ptr)
: StatementAST()
{
assert(cond_ptr != NULL);
assert(then_ptr != NULL);
m_cond_ptr = cond_ptr;
m_then_ptr = then_ptr;
m_else_ptr = else_ptr;
}
IfStatementAST::~IfStatementAST()
{
delete m_cond_ptr;
delete m_then_ptr;
delete m_else_ptr;
}
void IfStatementAST::generate(string& code, Type* return_type_ptr) const
{
Type* type_ptr;
// Conditional
code += indent_str() + "if (";
type_ptr = m_cond_ptr->generate(code);
if (type_ptr != g_sym_table.getType("bool")) {
m_cond_ptr->error("Condition of if statement must be boolean, type was '" + type_ptr->toString() + "'");
}
code += ") {\n";
// Then part
inc_indent();
m_then_ptr->generate(code, return_type_ptr);
dec_indent();
// Else part
if (m_else_ptr != NULL) {
code += indent_str() + "} else {\n";
inc_indent();
m_else_ptr->generate(code, return_type_ptr);
dec_indent();
}
code += indent_str() + "}\n"; // End scope
}
void IfStatementAST::findResources(Map<Var*, string>& resource_list) const
{
// Take a worse case look at both paths
m_then_ptr->findResources(resource_list);
if (m_else_ptr != NULL) {
m_else_ptr->findResources(resource_list);
}
}
void IfStatementAST::print(ostream& out) const
{
out << "[IfStatement: " << *m_cond_ptr << *m_then_ptr << *m_else_ptr << "]";
}
|
