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
26const char *
27ast_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
81ast_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
89void
90ast_expression_bin::print(void) const
91{
92   subexpressions[0]->print();
93   printf("%s ", operator_string(oper));
94   subexpressions[1]->print();
95}
96