| 110 | } |
| 111 | |
| 112 | static bool |
| 113 | db_unary(db_expr_t *valuep) |
| 114 | { |
| 115 | int t; |
| 116 | |
| 117 | t = db_read_token(); |
| 118 | if (t == tMINUS) { |
| 119 | if (!db_unary(valuep)) { |
| 120 | db_printf("Expression syntax error after '%c'\n", '-'); |
| 121 | db_error(NULL); |
| 122 | /*NOTREACHED*/ |
| 123 | } |
| 124 | *valuep = -*valuep; |
| 125 | return (true); |
| 126 | } |
| 127 | if (t == tEXCL) { |
| 128 | if(!db_unary(valuep)) { |
| 129 | db_printf("Expression syntax error after '%c'\n", '!'); |
| 130 | db_error(NULL); |
| 131 | /* NOTREACHED */ |
| 132 | } |
| 133 | *valuep = (!(*valuep)); |
| 134 | return (true); |
| 135 | } |
| 136 | if (t == tBIT_NOT) { |
| 137 | if(!db_unary(valuep)) { |
| 138 | db_printf("Expression syntax error after '%c'\n", '~'); |
| 139 | db_error(NULL); |
| 140 | /* NOTREACHED */ |
| 141 | } |
| 142 | *valuep = (~(*valuep)); |
| 143 | return (true); |
| 144 | } |
| 145 | if (t == tSTAR) { |
| 146 | /* indirection */ |
| 147 | if (!db_unary(valuep)) { |
| 148 | db_printf("Expression syntax error after '%c'\n", '*'); |
| 149 | db_error(NULL); |
| 150 | /*NOTREACHED*/ |
| 151 | } |
| 152 | *valuep = db_get_value((db_addr_t)*valuep, sizeof(void *), |
| 153 | false); |
| 154 | return (true); |
| 155 | } |
| 156 | db_unread_token(t); |
| 157 | return (db_term(valuep)); |
| 158 | } |
| 159 | |
| 160 | static bool |
| 161 | db_mult_expr(db_expr_t *valuep) |
no test coverage detected