1 /*
2 UnnecessaryParentheses
3 tokens = EXPR, IDENT, NUM_DOUBLE, NUM_FLOAT, NUM_INT, NUM_LONG, \
4 STRING_LITERAL, LITERAL_NULL, LITERAL_FALSE, LITERAL_TRUE, ASSIGN, \
5 BAND_ASSIGN, BOR_ASSIGN, BSR_ASSIGN, BXOR_ASSIGN, DIV_ASSIGN, \
6 MINUS_ASSIGN, MOD_ASSIGN, PLUS_ASSIGN, SL_ASSIGN, SR_ASSIGN, STAR_ASSIGN, \
7 LAMBDA, TEXT_BLOCK_LITERAL_BEGIN, LAND, LITERAL_INSTANCEOF, GT, LT, GE, \
8 LE, EQUAL, NOT_EQUAL, UNARY_MINUS, UNARY_PLUS, INC, DEC, LNOT, BNOT, \
9 POST_INC, POST_DEC, BOR, BAND, BXOR
10
11
12 */
13
14 package com.puppycrawl.tools.checkstyle.checks.coding.unnecessaryparentheses;
15
16 public class InputUnnecessaryParenthesesOperator {
17 boolean a = true;
18 boolean b = false;
19 void method() {
20 if(a || (b ^ a) || b) { // violation 'Unnecessary parentheses around expression'
21 }
22 if(a || (b | a) || b) { // violation 'Unnecessary parentheses around expression'
23 }
24 if(a || (b & a) || b) { // violation 'Unnecessary parentheses around expression'
25 }
26 if(a && (b ^ a) && b) { // violation 'Unnecessary parentheses around expression'
27 }
28 if(a && (b | a) && b) { // violation 'Unnecessary parentheses around expression'
29 }
30 if(a && (b & a) && b) { // violation 'Unnecessary parentheses around expression'
31 }
32 if(a && (b ^ a) || b) { // violation 'Unnecessary parentheses around expression'
33 }
34 if(a && (b | a) || b) { // violation 'Unnecessary parentheses around expression'
35 }
36 if(a && (b & a) || b) { // violation 'Unnecessary parentheses around expression'
37 }
38 if(a || (b ^ a) && b) { // violation 'Unnecessary parentheses around expression'
39 }
40 if(a || (b | a) && b) { // violation 'Unnecessary parentheses around expression'
41 }
42 if(a || (b & a) && b) { // violation 'Unnecessary parentheses around expression'
43 }
44 }
45
46 void method2() {
47 if(a || (((b ^ a))) || b) { // violation 'Unnecessary parentheses around expression'
48 }
49 if(a || ((b | a)) || b) { // violation 'Unnecessary parentheses around expression'
50 }
51 if(a || ((b & a)) || b) { // violation 'Unnecessary parentheses around expression'
52 }
53 if(a && (b ^ a) && b) { // violation 'Unnecessary parentheses around expression'
54 }
55 if(a && ((b | a)) && b) { // violation 'Unnecessary parentheses around expression'
56 }
57 if(a && (((b & a))) && b) { // violation 'Unnecessary parentheses around expression'
58 }
59 if(a && ((b ^ a)) || b) { // violation 'Unnecessary parentheses around expression'
60 }
61 if(a && (((b | a))) || b) { // violation 'Unnecessary parentheses around expression'
62 }
63 if(a && ((b & a)) || b) { // violation 'Unnecessary parentheses around expression'
64 }
65 if(a || ((b ^ a)) && b) { // violation 'Unnecessary parentheses around expression'
66 }
67 if(a || (((b | a))) && b) { // violation 'Unnecessary parentheses around expression'
68 }
69 if(a || ((b & a)) && b) { // violation 'Unnecessary parentheses around expression'
70 }
71 int x = 10, y = 38;
72 if(x>= 0 != (x<=8 ^ y<=11) && y>=8) {
73 return;
74 }
75 if(x>= 0 != (x<=8 || y<=11) && y>=8) {
76 return;
77 }
78 if(x== 0 != (x<=8 ^ y<=11) && y==8) {
79 return;
80 }
81 boolean v = true, w = false;
82 if ((v & w) !=
83 (w | v)) {
84 }
85 if(x>= 0 | (x<=8 | y<=11) | y>=8) {
86 return; // violation above 'Unnecessary parentheses around expression'
87 }
88 }
89
90 void method3() {
91 int code1 = 9;
92 if ((code1 & 1) == 8) {}
93 if ((code1 | 1) == 8) {}
94 if ((code1 ^ 1) == 8) {}
95
96 if ((code1 & 1) != 8) {}
97 if ((code1 | 1) != 8) {}
98 if ((code1 ^ 1) != 8) {}
99 }
100 void method4() {
101 int a = 2;
102 if ((~a) < -27 // violation 'Unnecessary parentheses around expression'
103 && a-- < 30) {
104 return;
105 }
106 if ((~a) <= -27 // violation 'Unnecessary parentheses around expression'
107 && a-- < 30) {
108 return;
109 }
110 }
111 }