forked from krakjoe/uopz
/
uopz.c
1110 lines (922 loc) · 29.2 KB
/
uopz.c
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/*
+----------------------------------------------------------------------+
| uopz |
+----------------------------------------------------------------------+
| Copyright (c) Joe Watkins 2012 - 2014 |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Joe Watkins <joe.watkins@live.co.uk> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "Zend/zend_closures.h"
#include "Zend/zend_exceptions.h"
#include "Zend/zend_extensions.h"
#include "Zend/zend_string.h"
#include "Zend/zend_vm_opcodes.h"
#include "uopz.h"
#include "compile.h"
ZEND_DECLARE_MODULE_GLOBALS(uopz)
#define MAX_OPCODE 163
#undef EX
#define EX(element) execute_data->element
#define OPLINE EX(opline)
#define OPCODE OPLINE->opcode
#if PHP_VERSION_ID >= 50500
# define EX_T(offset) (*EX_TMP_VAR(execute_data, offset))
#else
# define EX_T(offset) (*(temp_variable *)((char*)execute_data->Ts + offset))
#endif
/* {{{ */
user_opcode_handler_t ohandlers[MAX_OPCODE]; /* }}} */
/* {{{ */
typedef struct _uopz_opcode_t {
zend_uchar code;
const char *name;
size_t length;
} uopz_opcode_t;
#define UOPZ_CODE(n) {n, #n, sizeof(#n)-1}
#define UOPZ_END {ZEND_NOP, NULL, 0L}
uopz_opcode_t uoverrides[] = {
UOPZ_CODE(ZEND_NEW),
UOPZ_CODE(ZEND_THROW),
UOPZ_CODE(ZEND_ADD_TRAIT),
UOPZ_CODE(ZEND_ADD_INTERFACE),
UOPZ_CODE(ZEND_INSTANCEOF),
UOPZ_END
}; /* }}} */
/* {{{ */
typedef struct _uopz_handler_t {
zval *handler;
zend_fcall_info_cache *cache;
} uopz_handler_t; /* }}} */
/* {{{ */
static void php_uopz_init_globals(zend_uopz_globals *ng) {
ng->overload._exit = NULL;
} /* }}} */
/* {{{ */
static void php_uopz_handler_dtor(void *pData) {
uopz_handler_t *uhandler = (uopz_handler_t*) pData;
if (uhandler->handler) {
zval_ptr_dtor(&uhandler->handler);
}
if (uhandler->cache) {
efree(uhandler->cache);
}
} /* }}} */
/* {{{ */
static void php_uopz_replaced_dtor(void *pData) {
void **ppData = (void**) pData;
efree(*ppData);
} /* }}} */
/* {{{ */
static int php_uopz_handler(ZEND_OPCODE_HANDLER_ARGS) {
uopz_handler_t *uhandler = NULL;
int dispatching = 0;
if (zend_hash_index_find(&UOPZ(overload).table, OPCODE, (void**)&uhandler) == SUCCESS) {
zend_fcall_info fci;
char *cerror = NULL;
zval *retval = NULL;
zval *op1 = NULL,
*op2 = NULL,
*result = NULL;
zend_free_op free_op1, free_op2, free_result;
zend_class_entry *oce = NULL, **nce = NULL;
memset(
&fci, 0, sizeof(zend_fcall_info));
if (zend_fcall_info_init(uhandler->handler,
IS_CALLABLE_CHECK_SILENT,
&fci, uhandler->cache,
NULL, &cerror TSRMLS_CC) == SUCCESS) {
fci.params = (zval***) emalloc(2 * sizeof(zval **));
fci.param_count = 2;
#define GET_OP1(as) do {\
if ((OPLINE->op1_type != IS_UNUSED) &&\
(op1 = zend_get_zval_ptr(\
OPLINE->op1_type, &OPLINE->op1, execute_data, &free_op1, as TSRMLS_CC))) {\
fci.params[0] = &op1;\
} else {\
fci.params[0] = &EG(uninitialized_zval_ptr);\
}\
} while(0)
#define GET_OP2(as) do {\
if ((OPLINE->op2_type != IS_UNUSED) &&\
(op2 = zend_get_zval_ptr(\
OPLINE->op2_type, &OPLINE->op2, execute_data, &free_op2, as TSRMLS_CC))) {\
fci.params[1] = &op2;\
} else {\
fci.params[1] = &EG(uninitialized_zval_ptr);\
}\
} while(0)
switch (OPCODE) {
case ZEND_INSTANCEOF: {
GET_OP1(BP_VAR_R);
oce = EX_T(OPLINE->op2.var).class_entry;
MAKE_STD_ZVAL(op2);
ZVAL_STRINGL(op2, oce->name, oce->name_length, 1);
fci.params[1] = &op2;
} break;
case ZEND_ADD_INTERFACE:
case ZEND_ADD_TRAIT: {
oce = EX_T(OPLINE->op1.var).class_entry;
MAKE_STD_ZVAL(op1);
ZVAL_STRINGL(op1, oce->name, oce->name_length, 1);
fci.params[0] = &op1;
if (CACHED_PTR(OPLINE->op2.literal->cache_slot)) {
oce = CACHED_PTR(OPLINE->op2.literal->cache_slot);
} else {
oce = zend_fetch_class_by_name(
Z_STRVAL_P(OPLINE->op2.zv), Z_STRLEN_P(OPLINE->op2.zv),
OPLINE->op2.literal + 1, ZEND_FETCH_CLASS_NO_AUTOLOAD TSRMLS_CC);
}
MAKE_STD_ZVAL(op2);
ZVAL_STRINGL(op2, oce->name, oce->name_length, 1);
fci.params[1] = &op2;
fci.param_count = 2;
} break;
case ZEND_NEW: {
oce = EX_T(OPLINE->op1.var).class_entry;
MAKE_STD_ZVAL(op1);
ZVAL_STRINGL(op1, oce->name, oce->name_length, 1);
fci.param_count = 1;
fci.params[0] = &op1;
} break;
default: {
GET_OP1(BP_VAR_RW);
GET_OP2(BP_VAR_RW);
}
}
fci.retval_ptr_ptr = &retval;
zend_try {
zend_call_function(&fci, uhandler->cache TSRMLS_CC);
} zend_end_try();
if (fci.params)
efree(fci.params);
if (retval) {
if (Z_TYPE_P(retval) != IS_NULL) {
convert_to_long(retval);
dispatching =
Z_LVAL_P(retval);
}
zval_ptr_dtor(&retval);
}
switch (OPCODE) {
case ZEND_INSTANCEOF: {
convert_to_string(op2);
if (zend_lookup_class(Z_STRVAL_P(op2), Z_STRLEN_P(op2), &nce TSRMLS_CC) == SUCCESS) {
if (*nce != oce) {
EX_T(OPLINE->op2.var).class_entry = *nce;
}
}
zval_ptr_dtor(&op2);
} break;
case ZEND_ADD_INTERFACE:
case ZEND_ADD_TRAIT: {
convert_to_string(op2);
if (zend_lookup_class(Z_STRVAL_P(op2), Z_STRLEN_P(op2), &nce TSRMLS_CC) == SUCCESS) {
if (*nce != oce) {
CACHE_PTR(OPLINE->op2.literal->cache_slot, *nce);
}
}
zval_ptr_dtor(&op1);
zval_ptr_dtor(&op2);
} break;
case ZEND_NEW: {
convert_to_string(op1);
if (zend_lookup_class(Z_STRVAL_P(op1), Z_STRLEN_P(op1), &nce TSRMLS_CC) == SUCCESS) {
if (*nce != oce) {
EX_T(OPLINE->op1.var).class_entry = *nce;
}
}
zval_ptr_dtor(&op1);
} break;
}
}
}
if (dispatching) switch(dispatching) {
case ZEND_USER_OPCODE_CONTINUE:
EX(opline)++;
default:
return dispatching;
}
if (ohandlers[OPCODE]) {
return ohandlers[OPCODE]
(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);
}
return ZEND_USER_OPCODE_DISPATCH_TO | OPCODE;
} /* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
static PHP_MINIT_FUNCTION(uopz)
{
ZEND_INIT_MODULE_GLOBALS(uopz, php_uopz_init_globals, NULL);
UOPZ(copts) = CG(compiler_options);
CG(compiler_options) |=
(ZEND_COMPILE_HANDLE_OP_ARRAY);
memset(ohandlers, 0, sizeof(user_opcode_handler_t) * MAX_OPCODE);
{
#define REGISTER_ZEND_OPCODE(name, len, op) \
zend_register_long_constant\
(name, len, op, CONST_CS|CONST_PERSISTENT, module_number TSRMLS_CC)
uopz_opcode_t *uop = uoverrides;
REGISTER_ZEND_OPCODE("ZEND_EXIT", sizeof("ZEND_EXIT"), ZEND_EXIT);
while (uop->code != ZEND_NOP) {
zval constant;
ohandlers[uop->code] =
zend_get_user_opcode_handler(uop->code);
zend_set_user_opcode_handler(uop->code, php_uopz_handler);
if (!zend_get_constant(uop->name, uop->length+1, &constant TSRMLS_CC)) {
REGISTER_ZEND_OPCODE(uop->name, uop->length+1, uop->code);
} else zval_dtor(&constant);
uop++;
}
#undef REGISTER_ZEND_OPCODE
}
REGISTER_LONG_CONSTANT("ZEND_USER_OPCODE_CONTINUE", ZEND_USER_OPCODE_CONTINUE, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ZEND_USER_OPCODE_ENTER", ZEND_USER_OPCODE_ENTER, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ZEND_USER_OPCODE_LEAVE", ZEND_USER_OPCODE_LEAVE, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ZEND_USER_OPCODE_DISPATCH", ZEND_USER_OPCODE_DISPATCH, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ZEND_USER_OPCODE_DISPATCH_TO", ZEND_USER_OPCODE_DISPATCH_TO, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ZEND_USER_OPCODE_RETURN", ZEND_USER_OPCODE_RETURN, CONST_CS|CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
/* {{{ */
static PHP_MSHUTDOWN_FUNCTION(uopz)
{
CG(compiler_options) = UOPZ(copts);
return SUCCESS;
} /* }}} */
/* {{{ PHP_RINIT_FUNCTION
*/
static PHP_RINIT_FUNCTION(uopz)
{
zend_hash_init(&UOPZ(overload).table, 8, NULL, (dtor_func_t) php_uopz_handler_dtor, 0);
zend_hash_init(&UOPZ(replaced), 8, NULL, (dtor_func_t) php_uopz_replaced_dtor, 0);
return SUCCESS;
} /* }}} */
/* {{{ PHP_RSHUTDOWN_FUNCTION
*/
static PHP_RSHUTDOWN_FUNCTION(uopz)
{
if (UOPZ(overload)._exit) {
zval_ptr_dtor(&UOPZ(overload)._exit);
}
if (UOPZ(cache)._exit) {
//efree(UOPZ(cache)._exit);
}
zend_hash_destroy(&UOPZ(overload).table);
zend_hash_destroy(&UOPZ(replaced));
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
static PHP_MINFO_FUNCTION(uopz)
{
php_info_print_table_start();
php_info_print_table_header(2, "uopz support", "enabled");
php_info_print_table_end();
}
/* }}} */
/* {{{ */
static inline void php_uopz_overload_exit(zend_op_array *op_array) {
TSRMLS_FETCH();
zend_uint it = 0;
zend_uint end = op_array->last;
zend_op *opline = NULL;
while (it < end) {
opline = &op_array->opcodes[it];
switch (opline->opcode) {
case ZEND_EXIT: {
znode *result = (znode*) emalloc(sizeof(znode));
zval call;
ZVAL_STRINGL(&call,
"__uopz_exit_overload",
sizeof("__uopz_exit_overload")-1, 1);
opline->opcode = ZEND_DO_FCALL;
SET_NODE(op_array, opline->op1, call);
SET_UNUSED(opline->op2);
opline->op2.num = CG(context).nested_calls;
opline->result.var = php_uopz_temp_var(op_array TSRMLS_CC);
opline->result_type = IS_TMP_VAR;
GET_NODE(op_array, result, opline->result);
CALCULATE_LITERAL_HASH(op_array, opline->op1.constant);
GET_CACHE_SLOT(op_array, opline->op1.constant);
zend_hash_next_index_insert(
&UOPZ(replaced), (void**) &result, sizeof(void*), NULL);
} break;
}
it++;
}
} /* }}} */
/* {{{ proto void uopz_overload(int opcode, Callable handler) */
static PHP_FUNCTION(uopz_overload)
{
zval *handler = NULL;
long opcode = ZEND_NOP;
zend_fcall_info_cache fcc;
char *cerror = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|z", &opcode, &handler) != SUCCESS) {
return;
}
if (!handler || Z_TYPE_P(handler) == IS_NULL) {
if (opcode == ZEND_EXIT) {
if (UOPZ(overload)._exit) {
zval_ptr_dtor(&UOPZ(overload)._exit);
efree(UOPZ(cache)._exit);
UOPZ(overload)._exit = NULL;
UOPZ(cache)._exit = NULL;
}
} else {
zend_hash_index_del(&UOPZ(overload).table, opcode);
}
RETURN_TRUE;
}
if (zend_is_callable_ex(handler, NULL, IS_CALLABLE_CHECK_SILENT, NULL, NULL, &fcc, &cerror TSRMLS_CC)) {
if (opcode == ZEND_EXIT) {
if (UOPZ(overload)._exit) {
zval_ptr_dtor(&UOPZ(overload)._exit);
efree(UOPZ(cache)._exit);
}
MAKE_STD_ZVAL(UOPZ(overload)._exit);
ZVAL_ZVAL(UOPZ(overload)._exit, handler, 1, 0);
UOPZ(cache)._exit = (zend_fcall_info_cache*)
emalloc(sizeof(zend_fcall_info_cache));
memcpy(UOPZ(cache)._exit, &fcc, sizeof(zend_fcall_info_cache));
} else {
uopz_handler_t uhandler;
MAKE_STD_ZVAL(uhandler.handler);
ZVAL_ZVAL(uhandler.handler, handler, 1, 0);
uhandler.cache = (zend_fcall_info_cache*)
emalloc(sizeof(zend_fcall_info_cache));
memcpy(uhandler.cache, &fcc, sizeof(zend_fcall_info_cache));
zend_hash_index_update(
&UOPZ(overload).table, opcode, (void**) &uhandler, sizeof(uopz_handler_t), NULL);
}
RETURN_TRUE;
}
}
/* }}} */
/* {{{ */
static inline void uopz_rename(HashTable *table, zval *function, zval *overload TSRMLS_DC) {
zend_function *tuple[2] = {NULL, NULL};
zend_ulong hashed[2] = {0L, 0L};
if ((function && (Z_TYPE_P(function) == IS_STRING)) &&
(overload && (Z_TYPE_P(overload) == IS_STRING))) {
char *lcf = zend_str_tolower_dup(Z_STRVAL_P(function), Z_STRLEN_P(function)+1),
*lco = zend_str_tolower_dup(Z_STRVAL_P(overload), Z_STRLEN_P(overload)+1);
hashed[0] = zend_inline_hash_func(lcf, Z_STRLEN_P(function)+1);
hashed[1] = zend_inline_hash_func(lco, Z_STRLEN_P(overload)+1);
zend_hash_quick_find(table, lcf, Z_STRLEN_P(function)+1, hashed[0], (void**) &tuple[0]);
zend_hash_quick_find(table, lco, Z_STRLEN_P(overload)+1, hashed[1], (void**) &tuple[1]);
if (tuple[0]){
zend_function store[2];
store[0] = *tuple[0];
if (tuple[1]) {
store[1] = *tuple[1];
}
if (tuple[0]->type == ZEND_USER_FUNCTION) {
function_add_ref(&store[0]);
}
if (tuple[1]) {
if (tuple[1]->type == ZEND_USER_FUNCTION) {
function_add_ref(&store[1]);
}
zend_hash_quick_del(table, lco, Z_STRLEN_P(overload)+1, hashed[1]);
}
zend_hash_quick_del(table, lcf, Z_STRLEN_P(function)+1, hashed[0]);
zend_hash_quick_update(table,
lco, Z_STRLEN_P(overload)+1, hashed[1],
(void**) &store[0], sizeof(zend_function), NULL);
if (tuple[1]) {
zend_hash_quick_update(table,
lcf, Z_STRLEN_P(function)+1, hashed[0],
(void**) &store[1], sizeof(zend_function), NULL);
}
}
efree(lcf);
efree(lco);
}
} /* }}} */
/* {{{ proto void uopz_rename(mixed function, mixed overload)
proto void uopz_rename(string class, mixed function, mixed overload) */
PHP_FUNCTION(uopz_rename) {
zval *function = NULL;
zval *overload = NULL;
zend_class_entry *clazz = NULL;
HashTable *table = EG(function_table);
switch (ZEND_NUM_ARGS()) {
case 3: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Czz", &clazz, &function, &overload) != SUCCESS) {
return;
} else {
table = &clazz->function_table;
} break;
case 2: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz", &function, &overload) != SUCCESS) {
return;
} break;
}
uopz_rename(table, function, overload TSRMLS_CC);
} /* }}} */
/* {{{ */
static inline void uopz_alias(HashTable *table, zval *function, zval *alias TSRMLS_DC) {
zend_function *tuple[2] = {NULL, NULL};
zend_ulong hashed[2] = {0L, 0L};
if ((function && (Z_TYPE_P(function) == IS_STRING)) &&
(alias && (Z_TYPE_P(alias) == IS_STRING))) {
char *lcf = zend_str_tolower_dup(Z_STRVAL_P(function), Z_STRLEN_P(function)+1),
*lca = zend_str_tolower_dup(Z_STRVAL_P(alias), Z_STRLEN_P(alias)+1);
hashed[0] = zend_inline_hash_func(lcf, Z_STRLEN_P(function)+1);
hashed[1] = zend_inline_hash_func(lca, Z_STRLEN_P(alias)+1);
zend_hash_quick_find(table, lcf, Z_STRLEN_P(function)+1, hashed[0], (void**) &tuple[0]);
zend_hash_quick_find(table, lca, Z_STRLEN_P(alias)+1, hashed[1], (void**) &tuple[1]);
if (tuple[0] && !tuple[1]) {
zend_hash_quick_update(
table,
lca, Z_STRLEN_P(alias)+1,
hashed[1], (void**) tuple[0], sizeof(zend_function),
NULL);
if (tuple[0]->type == ZEND_USER_FUNCTION) {
function_add_ref(tuple[0]);
}
}
efree(lca);
efree(lcf);
}
} /* }}} */
/* {{{ proto void uopz_alias(mixed function, mixed alias)
proto void uopz_alias(string class, mixed function, mixed alias) */
PHP_FUNCTION(uopz_alias) {
zval *function = NULL;
zval *alias = NULL;
zend_class_entry *clazz = NULL;
HashTable *table = EG(function_table);
switch (ZEND_NUM_ARGS()) {
case 3: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Czz", &clazz, &function, &alias) != SUCCESS) {
return;
} else {
table = &clazz->function_table;
} break;
case 2: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz", &function, &alias) != SUCCESS) {
return;
} break;
}
uopz_alias(table, function, alias TSRMLS_CC);
} /* }}} */
/* {{{ */
static inline void uopz_delete(HashTable *table, zval *function TSRMLS_DC) {
if (function && (Z_TYPE_P(function) == IS_STRING)) {
char *lcf = zend_str_tolower_dup
(Z_STRVAL_P(function), Z_STRLEN_P(function)+1);
zend_hash_del(
table,
lcf, Z_STRLEN_P(function)+1);
efree(lcf);
}
} /* }}} */
/* {{{ proto void uopz_delete(mixed function)
proto void uopz_delete(string class, mixed function) */
PHP_FUNCTION(uopz_delete) {
zval *function = NULL;
zend_class_entry *clazz = NULL;
HashTable *table = EG(function_table);
switch (ZEND_NUM_ARGS()) {
case 2: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Cz", &clazz, &function) != SUCCESS) {
return;
} else {
table = &clazz->function_table;
} break;
case 1: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &function) != SUCCESS) {
return;
} break;
}
uopz_delete(table, function TSRMLS_CC);
} /* }}} */
/* {{{ proto void __uopz_exit_overload() */
PHP_FUNCTION(__uopz_exit_overload) {
zend_bool leave = 1;
if(UOPZ(overload)._exit) {
zend_fcall_info fci;
char *cerror = NULL;
zval *retval = NULL;
memset(
&fci, 0, sizeof(zend_fcall_info));
if (zend_fcall_info_init(UOPZ(overload)._exit,
IS_CALLABLE_CHECK_SILENT,
&fci, UOPZ(cache)._exit,
NULL, &cerror TSRMLS_CC) == SUCCESS) {
fci.retval_ptr_ptr = &retval;
zend_try {
zend_call_function(&fci, UOPZ(cache)._exit TSRMLS_CC);
} zend_end_try();
if (retval) {
#if PHP_VERSION_ID > 50600
leave = zend_is_true(retval TSRMLS_CC);
#else
leave = zend_is_true(retval);
#endif
zval_ptr_dtor(&retval);
}
}
}
zval_ptr_dtor(&return_value);
if (leave) {
zend_bailout();
}
} /* }}} */
/* {{{ */
static inline void uopz_redefine(HashTable *table, zval *constant, zval *variable TSRMLS_DC) {
zend_constant *zconstant;
zend_ulong hash = zend_inline_hash_func(Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1);
switch (Z_TYPE_P(variable)) {
case IS_LONG:
case IS_DOUBLE:
case IS_STRING:
case IS_BOOL:
case IS_RESOURCE:
case IS_NULL:
break;
default:
return;
}
if (Z_TYPE_P(constant) == IS_STRING) {
if (zend_hash_quick_find(
table, Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1,
hash, (void**)&zconstant) == SUCCESS) {
if ((table == EG(zend_constants))) {
if (zconstant->module_number == PHP_USER_CONSTANT) {
zval_dtor(&zconstant->value);
ZVAL_ZVAL(
&zconstant->value, variable, 1, 0);
}
} else {
zval *copy;
MAKE_STD_ZVAL(copy);
ZVAL_ZVAL(copy, variable, 1, 0);
zend_hash_quick_update(
table,
Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1,
hash, (void**)©,
sizeof(zval*), NULL);
}
} else {
if (table == EG(zend_constants)) {
zend_constant create;
ZVAL_ZVAL(&create.value, variable, 1, 0);
create.flags = CONST_CS;
create.name = zend_strndup(Z_STRVAL_P(constant), Z_STRLEN_P(constant));
create.name_len = Z_STRLEN_P(constant)+1;
create.module_number = PHP_USER_CONSTANT;
zend_register_constant(&create TSRMLS_CC);
} else {
zval *create;
MAKE_STD_ZVAL(create);
ZVAL_ZVAL(create, variable, 1, 0);
zend_hash_quick_update(
table,
Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1,
hash, (void**)&create,
sizeof(zval*), NULL);
}
}
}
} /* }}} */
/* {{{ proto void uopz_redefine(string constant, mixed variable)
proto void uopz_redefine(string class, string constant, mixed variable) */
PHP_FUNCTION(uopz_redefine)
{
zval *constant = NULL;
zval *variable = NULL;
HashTable *table = EG(zend_constants);
zend_class_entry *clazz = NULL;
switch (ZEND_NUM_ARGS()) {
case 3: {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Czz", &clazz, &constant, &variable) != SUCCESS) {
return;
} else {
table = &clazz->constants_table;
}
} break;
default: {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz", &constant, &variable) != SUCCESS) {
return;
}
}
}
uopz_redefine(table, constant, variable TSRMLS_CC);
if (table != EG(zend_constants)) {
while ((clazz = clazz->parent)) {
uopz_redefine(
&clazz->constants_table, constant, variable TSRMLS_CC);
}
}
} /* }}} */
/* {{{ */
static inline void uopz_undefine(HashTable *table, zval *constant TSRMLS_DC) {
zend_constant *zconstant;
zend_ulong hash = zend_inline_hash_func(Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1);
if (Z_TYPE_P(constant) == IS_STRING && zend_hash_quick_find(
table,
Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1, hash, (void**)&zconstant) == SUCCESS) {
if (table == EG(zend_constants)) {
if (zconstant->module_number == PHP_USER_CONSTANT) {
zend_hash_quick_del
(table, Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1, hash);
}
} else {
zend_hash_quick_del(table, Z_STRVAL_P(constant), Z_STRLEN_P(constant)+1, hash);
}
}
} /* }}} */
/* {{{ proto void uopz_undefine(string constant)
proto void uopz_undefine(string class, string constant) */
PHP_FUNCTION(uopz_undefine)
{
zval *constant = NULL;
HashTable *table = EG(zend_constants);
zend_class_entry *clazz = NULL;
switch (ZEND_NUM_ARGS()) {
case 2: {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Cz", &clazz, &constant) != SUCCESS) {
return;
} else {
table = &clazz->constants_table;
}
} break;
default: {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &constant) != SUCCESS) {
return;
}
}
}
uopz_undefine(table, constant TSRMLS_CC);
if (table != EG(zend_constants)) {
while ((clazz = clazz->parent)) {
uopz_undefine(&clazz->constants_table, constant TSRMLS_CC);
}
}
} /* }}} */
/* {{{ */
static inline void uopz_function(HashTable *table, zval *function, zend_function *override TSRMLS_DC) {
if (Z_TYPE_P(function) == IS_STRING) {
char *lcname = zend_str_tolower_dup
(Z_STRVAL_P(function), Z_STRLEN_P(function)+1);
zend_hash_update(
table,
lcname, Z_STRLEN_P(function)+1,
(void**) override, sizeof(zend_function),
NULL);
function_add_ref(override);
efree(lcname);
}
} /* }}} */
/* {{{ proto void uopz_function(string function, Closure handler)
proto void uopz_function(string class, string method, Closure handler) */
PHP_FUNCTION(uopz_function) {
zval *function = NULL;
zval *callable = NULL;
HashTable *table = CG(function_table);
zend_class_entry *clazz = NULL;
switch (ZEND_NUM_ARGS()) {
case 3: {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Czo", &clazz, &function, &callable, zend_ce_closure) != SUCCESS) {
return;
} else {
table = &clazz->function_table;
}
} break;
default: {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zo", &function, &callable, zend_ce_closure) != SUCCESS) {
return;
}
}
}
uopz_function(table, function, (zend_function*) zend_get_closure_method_def(callable TSRMLS_CC) TSRMLS_CC);
} /* }}} */
/* {{{ proto void uopz_implement(string class, string interface) */
PHP_FUNCTION(uopz_implement)
{
zend_class_entry *clazz = NULL;
zend_class_entry *interface = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "CC", &clazz, &interface) != SUCCESS) {
return;
}
if (clazz && interface) {
zend_bool is_final = clazz->ce_flags;
clazz->ce_flags &= ~ZEND_ACC_FINAL;
if (!instanceof_function(clazz, interface TSRMLS_CC)) {
if (interface->ce_flags & ZEND_ACC_INTERFACE) {
zend_do_implement_interface(clazz, interface TSRMLS_CC);
}
}
if (is_final)
clazz->ce_flags |= ZEND_ACC_FINAL;
}
} /* }}} */
/* {{{ proto void uopz_extend(string class, string parent) */
PHP_FUNCTION(uopz_extend)
{
zend_class_entry *clazz = NULL;
zend_class_entry *parent = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "CC", &clazz, &parent) != SUCCESS) {
return;
}
if (clazz && parent) {
zend_bool is_final = clazz->ce_flags;
clazz->ce_flags &= ~ZEND_ACC_FINAL;
if (!instanceof_function(clazz, parent TSRMLS_CC)) {
if (!(parent->ce_flags & ZEND_ACC_INTERFACE)) {
if (parent->ce_flags & ZEND_ACC_TRAIT) {
zend_do_implement_trait(clazz, parent TSRMLS_CC);
} else zend_do_inheritance(clazz, parent TSRMLS_CC);
}
}
if (parent->ce_flags & ZEND_ACC_TRAIT)
zend_do_bind_traits(clazz TSRMLS_CC);
if (is_final)
clazz->ce_flags |= ZEND_ACC_FINAL;
}
} /* }}} */
/* {{{ proto void uopz_compose(string name, array classes) */
PHP_FUNCTION(uopz_compose)
{
char *class_name = NULL;
size_t class_name_len = 0L;
char *lc_class_name = NULL;
zend_ulong lc_class_hash = 0L;
zend_class_entry *entry = NULL;
HashTable *classes = NULL;
zval **clazz = NULL;
HashPosition position;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sh", &class_name, &class_name_len, &classes) != SUCCESS) {
return;
}
if (zend_lookup_class(class_name, class_name_len+1, (zend_class_entry***) &entry TSRMLS_CC) != SUCCESS) {
entry = (zend_class_entry*) emalloc(sizeof(zend_class_entry));
entry->name = estrndup(class_name, class_name_len);
entry->name_length = class_name_len;
entry->type = ZEND_USER_CLASS;
zend_initialize_class_data(entry, 1 TSRMLS_CC);
lc_class_name = zend_str_tolower_dup(class_name, class_name_len);
lc_class_hash = zend_inline_hash_func(lc_class_name, class_name_len+1);
zend_hash_quick_update(
CG(class_table),
lc_class_name, class_name_len+1, lc_class_hash,
(void**)&entry, sizeof(zend_class_entry*), NULL);
for (zend_hash_internal_pointer_reset_ex(classes, &position);
zend_hash_get_current_data_ex(classes, (void**)&clazz, &position) == SUCCESS;
zend_hash_move_forward_ex(classes, &position)) {
zend_class_entry **parent = NULL;
if (Z_TYPE_PP(clazz) == IS_STRING) {
if (zend_lookup_class(
Z_STRVAL_PP(clazz),
Z_STRLEN_PP(clazz), &parent TSRMLS_CC) == SUCCESS) {
if ((*parent)->ce_flags & ZEND_ACC_INTERFACE) {
zend_do_implement_interface(entry, *parent TSRMLS_CC);
} else if ((*parent)->ce_flags & ZEND_ACC_TRAIT) {
zend_do_implement_trait(entry, *parent TSRMLS_CC);
} else zend_do_inheritance(entry, *parent TSRMLS_CC);
}
}
}
zend_do_bind_traits(entry TSRMLS_CC);
efree(lc_class_name);
}
} /* }}} */
/* {{{ uopz */
ZEND_BEGIN_ARG_INFO(uopz_overload_arginfo, 1)
ZEND_ARG_INFO(0, opcode)
ZEND_ARG_INFO(0, callable)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(uopz_rename_arginfo, 2)
ZEND_ARG_INFO(0, class)
ZEND_ARG_INFO(0, function)
ZEND_ARG_INFO(0, overload)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(uopz_alias_arginfo, 2)
ZEND_ARG_INFO(0, class)
ZEND_ARG_INFO(0, function)
ZEND_ARG_INFO(0, alias)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(uopz_delete_arginfo, 1)
ZEND_ARG_INFO(0, class)
ZEND_ARG_INFO(0, function)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(uopz_redefine_arginfo, 2)
ZEND_ARG_INFO(0, class)
ZEND_ARG_INFO(0, constant)
ZEND_ARG_INFO(0, value)