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1 /*
2  * Copyright © 2010 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  */
23 #include <assert.h>
24 #include "ast.h"
25 
26 const char *
operator_string(enum ast_operators op)27 ast_expression::operator_string(enum ast_operators op)
28 {
29    static const char *const operators[] = {
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    assert((unsigned int)op < sizeof(operators) / sizeof(operators[0]));
76 
77    return operators[op];
78 }
79 
80 
ast_expression_bin(int oper,ast_expression * ex0,ast_expression * ex1)81 ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0,
82                                        ast_expression *ex1) :
83    ast_expression(oper, ex0, ex1, NULL)
84 {
85    assert((oper >= ast_plus) && (oper <= ast_logic_not));
86 }
87 
88 
89 void
print(void) const90 ast_expression_bin::print(void) const
91 {
92    subexpressions[0]->print();
93    printf("%s ", operator_string(oper));
94    subexpressions[1]->print();
95 }
96