|
| 1 | +/* |
| 2 | + +----------------------------------------------------------------------+ |
| 3 | + | Copyright (c) The PHP Group | |
| 4 | + +----------------------------------------------------------------------+ |
| 5 | + | This source file is subject to version 3.01 of the PHP license, | |
| 6 | + | that is bundled with this package in the file LICENSE, and is | |
| 7 | + | available through the world-wide-web at the following url: | |
| 8 | + | https://www.php.net/license/3_01.txt | |
| 9 | + | If you did not receive a copy of the PHP license and are unable to | |
| 10 | + | obtain it through the world-wide-web, please send a note to | |
| 11 | + | [email protected] so we can mail you a copy immediately. | |
| 12 | + +----------------------------------------------------------------------+ |
| 13 | + | Authors: George Peter Banyard <[email protected]> | |
| 14 | + +----------------------------------------------------------------------+ |
| 15 | +*/ |
| 16 | + |
| 17 | +#include "object_handlers.h" |
| 18 | +#include "zend_API.h" |
| 19 | +#include "object_handlers_arginfo.h" |
| 20 | + |
| 21 | +/* donc refers to DoOperationNoCast */ |
| 22 | +static zend_class_entry *donc_ce; |
| 23 | +static zend_object_handlers donc_object_handlers; |
| 24 | + |
| 25 | +static zend_object* donc_object_create_ex(zend_class_entry* ce, zend_long l) { |
| 26 | + zend_object *obj = zend_objects_new(ce); |
| 27 | + object_properties_init(obj, ce); |
| 28 | + obj->handlers = &donc_object_handlers; |
| 29 | + ZVAL_LONG(OBJ_PROP_NUM(obj, 0), l); |
| 30 | + return obj; |
| 31 | +} |
| 32 | +static zend_object *donc_object_create(zend_class_entry *ce) /* {{{ */ |
| 33 | +{ |
| 34 | + return donc_object_create_ex(ce, 0); |
| 35 | +} |
| 36 | +/* }}} */ |
| 37 | + |
| 38 | +static inline void donc_create(zval *target, zend_long l) /* {{{ */ |
| 39 | +{ |
| 40 | + ZVAL_OBJ(target, donc_object_create_ex(donc_ce, l)); |
| 41 | +} |
| 42 | + |
| 43 | +#define IS_DONC(zval) \ |
| 44 | + (Z_TYPE_P(zval) == IS_OBJECT && instanceof_function(Z_OBJCE_P(zval), donc_ce)) |
| 45 | + |
| 46 | +static void donc_add(zval *result, zval *op1, zval *op2) |
| 47 | +{ |
| 48 | + zend_long val_1; |
| 49 | + zend_long val_2; |
| 50 | + if (IS_DONC(op1)) { |
| 51 | + val_1 = Z_LVAL_P(OBJ_PROP_NUM(Z_OBJ_P(op1), 0)); |
| 52 | + } else { |
| 53 | + val_1 = zval_get_long(op1); |
| 54 | + } |
| 55 | + if (IS_DONC(op2)) { |
| 56 | + val_2 = Z_LVAL_P(OBJ_PROP_NUM(Z_OBJ_P(op2), 0)); |
| 57 | + } else { |
| 58 | + val_2 = zval_get_long(op2); |
| 59 | + } |
| 60 | + |
| 61 | + donc_create(result, val_1 + val_2); |
| 62 | +} |
| 63 | +static void donc_mul(zval *result, zval *op1, zval *op2) |
| 64 | +{ |
| 65 | + zend_long val_1; |
| 66 | + zend_long val_2; |
| 67 | + if (IS_DONC(op1)) { |
| 68 | + val_1 = Z_LVAL_P(OBJ_PROP_NUM(Z_OBJ_P(op1), 0)); |
| 69 | + } else { |
| 70 | + val_1 = zval_get_long(op1); |
| 71 | + } |
| 72 | + if (IS_DONC(op2)) { |
| 73 | + val_2 = Z_LVAL_P(OBJ_PROP_NUM(Z_OBJ_P(op2), 0)); |
| 74 | + } else { |
| 75 | + val_2 = zval_get_long(op2); |
| 76 | + } |
| 77 | + |
| 78 | + donc_create(result, val_1 * val_2); |
| 79 | +} |
| 80 | + |
| 81 | +static zend_result donc_do_operation(zend_uchar opcode, zval *result, zval *op1, zval *op2) |
| 82 | +{ |
| 83 | + zval op1_copy; |
| 84 | + zend_result status; |
| 85 | + |
| 86 | + if (result == op1) { |
| 87 | + ZVAL_COPY_VALUE(&op1_copy, op1); |
| 88 | + op1 = &op1_copy; |
| 89 | + } |
| 90 | + |
| 91 | + switch (opcode) { |
| 92 | + case ZEND_ADD: |
| 93 | + donc_add(result, op1, op2); |
| 94 | + if (UNEXPECTED(EG(exception))) { status = FAILURE; } |
| 95 | + status = SUCCESS; |
| 96 | + break; |
| 97 | + case ZEND_MUL: |
| 98 | + donc_mul(result, op1, op2); |
| 99 | + if (UNEXPECTED(EG(exception))) { status = FAILURE; } |
| 100 | + status = SUCCESS; |
| 101 | + break; |
| 102 | + default: |
| 103 | + status = FAILURE; |
| 104 | + break; |
| 105 | + } |
| 106 | + |
| 107 | + if (status == SUCCESS && op1 == &op1_copy) { |
| 108 | + zval_ptr_dtor(op1); |
| 109 | + } |
| 110 | + |
| 111 | + return status; |
| 112 | +} |
| 113 | + |
| 114 | +ZEND_METHOD(DoOperationNoCast, __construct) |
| 115 | +{ |
| 116 | + zend_long l; |
| 117 | + |
| 118 | + ZEND_PARSE_PARAMETERS_START(1, 1) |
| 119 | + Z_PARAM_LONG(l) |
| 120 | + ZEND_PARSE_PARAMETERS_END(); |
| 121 | + |
| 122 | + ZVAL_LONG(OBJ_PROP_NUM(Z_OBJ_P(ZEND_THIS), 0), l); |
| 123 | +} |
| 124 | + |
| 125 | +static zend_class_entry *long_castable_no_operation_ce; |
| 126 | +static zend_object_handlers long_castable_no_operation_object_handlers; |
| 127 | + |
| 128 | +static zend_object* long_castable_no_operation_object_create_ex(zend_class_entry* ce, zend_long l) { |
| 129 | + zend_object *obj = zend_objects_new(ce); |
| 130 | + object_properties_init(obj, ce); |
| 131 | + obj->handlers = &long_castable_no_operation_object_handlers; |
| 132 | + ZVAL_LONG(OBJ_PROP_NUM(obj, 0), l); |
| 133 | + return obj; |
| 134 | +} |
| 135 | + |
| 136 | +static zend_object *long_castable_no_operation_object_create(zend_class_entry *ce) |
| 137 | +{ |
| 138 | + return long_castable_no_operation_object_create_ex(ce, 0); |
| 139 | +} |
| 140 | + |
| 141 | +static zend_result long_castable_no_operation_cast_object(zend_object *obj, zval *result, int type) |
| 142 | +{ |
| 143 | + if (type == IS_LONG) { |
| 144 | + ZVAL_COPY(result, OBJ_PROP_NUM(obj, 0)); |
| 145 | + return SUCCESS; |
| 146 | + } |
| 147 | + return FAILURE; |
| 148 | +} |
| 149 | + |
| 150 | +ZEND_METHOD(LongCastableNoOperations, __construct) |
| 151 | +{ |
| 152 | + zend_long l; |
| 153 | + |
| 154 | + ZEND_PARSE_PARAMETERS_START(1, 1) |
| 155 | + Z_PARAM_LONG(l) |
| 156 | + ZEND_PARSE_PARAMETERS_END(); |
| 157 | + |
| 158 | + ZVAL_LONG(OBJ_PROP_NUM(Z_OBJ_P(ZEND_THIS), 0), l); |
| 159 | +} |
| 160 | + |
| 161 | +static zend_class_entry *float_castable_no_operation_ce; |
| 162 | +static zend_object_handlers float_castable_no_operation_object_handlers; |
| 163 | + |
| 164 | +static zend_object* float_castable_no_operation_object_create_ex(zend_class_entry* ce, double d) { |
| 165 | + zend_object *obj = zend_objects_new(ce); |
| 166 | + object_properties_init(obj, ce); |
| 167 | + obj->handlers = &float_castable_no_operation_object_handlers; |
| 168 | + ZVAL_DOUBLE(OBJ_PROP_NUM(obj, 0), d); |
| 169 | + return obj; |
| 170 | +} |
| 171 | + |
| 172 | +static zend_object *float_castable_no_operation_object_create(zend_class_entry *ce) |
| 173 | +{ |
| 174 | + return float_castable_no_operation_object_create_ex(ce, 0.0); |
| 175 | +} |
| 176 | + |
| 177 | +static zend_result float_castable_no_operation_cast_object(zend_object *obj, zval *result, int type) |
| 178 | +{ |
| 179 | + if (type == IS_DOUBLE) { |
| 180 | + ZVAL_COPY(result, OBJ_PROP_NUM(obj, 0)); |
| 181 | + return SUCCESS; |
| 182 | + } |
| 183 | + return FAILURE; |
| 184 | +} |
| 185 | + |
| 186 | +ZEND_METHOD(FloatCastableNoOperations, __construct) |
| 187 | +{ |
| 188 | + double d; |
| 189 | + |
| 190 | + ZEND_PARSE_PARAMETERS_START(1, 1) |
| 191 | + Z_PARAM_DOUBLE(d) |
| 192 | + ZEND_PARSE_PARAMETERS_END(); |
| 193 | + |
| 194 | + ZVAL_DOUBLE(OBJ_PROP_NUM(Z_OBJ_P(ZEND_THIS), 0), d); |
| 195 | +} |
| 196 | + |
| 197 | +static zend_class_entry *numeric_castable_no_operation_ce; |
| 198 | +static zend_object_handlers numeric_castable_no_operation_object_handlers; |
| 199 | + |
| 200 | +static zend_object* numeric_castable_no_operation_object_create_ex(zend_class_entry* ce, const zval *n) { |
| 201 | + zend_object *obj = zend_objects_new(ce); |
| 202 | + object_properties_init(obj, ce); |
| 203 | + obj->handlers = &numeric_castable_no_operation_object_handlers; |
| 204 | + ZVAL_COPY(OBJ_PROP_NUM(obj, 0), n); |
| 205 | + return obj; |
| 206 | +} |
| 207 | + |
| 208 | +static zend_object *numeric_castable_no_operation_object_create(zend_class_entry *ce) |
| 209 | +{ |
| 210 | + zval tmp; |
| 211 | + ZVAL_LONG(&tmp, 0); |
| 212 | + return numeric_castable_no_operation_object_create_ex(ce, &tmp); |
| 213 | +} |
| 214 | + |
| 215 | +static zend_result numeric_castable_no_operation_cast_object(zend_object *obj, zval *result, int type) |
| 216 | +{ |
| 217 | + if (type == _IS_NUMBER) { |
| 218 | + ZVAL_COPY(result, OBJ_PROP_NUM(obj, 0)); |
| 219 | + return SUCCESS; |
| 220 | + } |
| 221 | + return FAILURE; |
| 222 | +} |
| 223 | + |
| 224 | +ZEND_METHOD(NumericCastableNoOperations, __construct) |
| 225 | +{ |
| 226 | + zval *n; |
| 227 | + |
| 228 | + ZEND_PARSE_PARAMETERS_START(1, 1) |
| 229 | + Z_PARAM_NUMBER(n) |
| 230 | + ZEND_PARSE_PARAMETERS_END(); |
| 231 | + |
| 232 | + ZVAL_COPY(OBJ_PROP_NUM(Z_OBJ_P(ZEND_THIS), 0), n); |
| 233 | +} |
| 234 | + |
| 235 | +void zend_test_object_handlers_init(void) |
| 236 | +{ |
| 237 | + /* DoOperationNoCast class */ |
| 238 | + donc_ce = register_class_DoOperationNoCast(); |
| 239 | + donc_ce->create_object = donc_object_create; |
| 240 | + memcpy(&donc_object_handlers, &std_object_handlers, sizeof(zend_object_handlers)); |
| 241 | + donc_object_handlers.do_operation = donc_do_operation; |
| 242 | + |
| 243 | + /* CastableNoOperation classes */ |
| 244 | + long_castable_no_operation_ce = register_class_LongCastableNoOperations(); |
| 245 | + long_castable_no_operation_ce->create_object = long_castable_no_operation_object_create; |
| 246 | + memcpy(&long_castable_no_operation_object_handlers, &std_object_handlers, sizeof(zend_object_handlers)); |
| 247 | + long_castable_no_operation_object_handlers.cast_object = long_castable_no_operation_cast_object; |
| 248 | + |
| 249 | + float_castable_no_operation_ce = register_class_FloatCastableNoOperations(); |
| 250 | + float_castable_no_operation_ce->create_object = float_castable_no_operation_object_create; |
| 251 | + memcpy(&float_castable_no_operation_object_handlers, &std_object_handlers, sizeof(zend_object_handlers)); |
| 252 | + float_castable_no_operation_object_handlers.cast_object = float_castable_no_operation_cast_object; |
| 253 | + |
| 254 | + numeric_castable_no_operation_ce = register_class_NumericCastableNoOperations(); |
| 255 | + numeric_castable_no_operation_ce->create_object = numeric_castable_no_operation_object_create; |
| 256 | + memcpy(&numeric_castable_no_operation_object_handlers, &std_object_handlers, sizeof(zend_object_handlers)); |
| 257 | + numeric_castable_no_operation_object_handlers.cast_object = numeric_castable_no_operation_cast_object; |
| 258 | +} |
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