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 <cstdio>
24 #include <cassert>
25 #include "ast.h"
26
27 const char *
operator_string(enum ast_operators op)28 ast_expression::operator_string(enum ast_operators op)
29 {
30 static const char *const operators[] = {
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 assert((unsigned int)op < sizeof(operators) / sizeof(operators[0]));
77
78 return operators[op];
79 }
80
81
ast_expression_bin(int oper,ast_expression * ex0,ast_expression * ex1)82 ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0,
83 ast_expression *ex1) :
84 ast_expression(oper, ex0, ex1, NULL)
85 {
86 assert((oper >= ast_plus) && (oper <= ast_logic_not));
87 }
88
89
90 void
print(void) const91 ast_expression_bin::print(void) const
92 {
93 subexpressions[0]->print();
94 printf("%s ", operator_string(oper));
95 subexpressions[1]->print();
96 }
97