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zend_API.c
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zend_API.c
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
| Andrei Zmievski <andrei@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_execute.h"
#include "zend_API.h"
#include "zend_modules.h"
#include "zend_constants.h"
#include "zend_exceptions.h"
#include "zend_closures.h"
#include "zend_inheritance.h"
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
/* these variables are true statics/globals, and have to be mutex'ed on every access */
ZEND_API HashTable module_registry;
static zend_module_entry **module_request_startup_handlers;
static zend_module_entry **module_request_shutdown_handlers;
static zend_module_entry **module_post_deactivate_handlers;
static zend_class_entry **class_cleanup_handlers;
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters(int ht, int param_count, ...) /* {{{ */
{
int arg_count;
va_list ptr;
zval **param, *param_ptr;
TSRMLS_FETCH();
param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
if (param_count>arg_count) {
return FAILURE;
}
va_start(ptr, param_count);
while (param_count-->0) {
param = va_arg(ptr, zval **);
if (!Z_ISREF_P(param_ptr) && Z_REFCOUNT_P(param_ptr) > 1) {
zval new_tmp;
ZVAL_DUP(&new_tmp, param_ptr);
Z_DELREF_P(param_ptr);
ZVAL_COPY_VALUE(param_ptr, &new_tmp);
}
*param = param_ptr;
param_ptr++;
}
va_end(ptr);
return SUCCESS;
}
/* }}} */
/* Zend-optimized Extended functions */
/* this function doesn't check for too many parameters */
ZEND_API int zend_get_parameters_ex(int param_count, ...) /* {{{ */
{
int arg_count;
va_list ptr;
zval **param, *param_ptr;
TSRMLS_FETCH();
param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
if (param_count>arg_count) {
return FAILURE;
}
va_start(ptr, param_count);
while (param_count-->0) {
param = va_arg(ptr, zval **);
*param = param_ptr;
param_ptr++;
}
va_end(ptr);
return SUCCESS;
}
/* }}} */
ZEND_API int _zend_get_parameters_array_ex(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */
{
zval *param_ptr;
int arg_count;
param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
if (param_count>arg_count) {
return FAILURE;
}
while (param_count-->0) {
ZVAL_COPY_VALUE(argument_array, param_ptr);
argument_array++;
param_ptr++;
}
return SUCCESS;
}
/* }}} */
ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array TSRMLS_DC) /* {{{ */
{
zval *param_ptr;
int arg_count;
param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
if (param_count>arg_count) {
return FAILURE;
}
while (param_count-->0) {
if (Z_REFCOUNTED_P(param_ptr)) {
Z_ADDREF_P(param_ptr);
}
zend_hash_next_index_insert_new(Z_ARRVAL_P(argument_array), param_ptr);
param_ptr++;
}
return SUCCESS;
}
/* }}} */
ZEND_API void zend_wrong_param_count(TSRMLS_D) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
zend_error(E_WARNING, "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name(TSRMLS_C));
}
/* }}} */
/* Argument parsing API -- andrei */
ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
{
switch(type) {
case IS_FALSE:
case IS_TRUE:
return "boolean";
case IS_LONG:
return "integer";
case IS_DOUBLE:
return "double";
case IS_STRING:
return "string";
case IS_OBJECT:
return "object";
case IS_RESOURCE:
return "resource";
case IS_NULL:
return "null";
case IS_CALLABLE:
return "callable";
case IS_ARRAY:
return "array";
default:
return "unknown";
}
}
/* }}} */
ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
{
ZVAL_DEREF(arg);
return zend_get_type_by_const(Z_TYPE_P(arg));
}
/* }}} */
static int parse_arg_object_to_string(zval *arg, char **p, size_t *pl, int type TSRMLS_DC) /* {{{ */
{
if (Z_OBJ_HANDLER_P(arg, cast_object)) {
zval obj;
if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, type TSRMLS_CC) == SUCCESS) {
zval_ptr_dtor(arg);
ZVAL_COPY_VALUE(arg, &obj);
*pl = Z_STRLEN_P(arg);
*p = Z_STRVAL_P(arg);
return SUCCESS;
}
}
/* Standard PHP objects */
if (Z_OBJ_HT_P(arg) == &std_object_handlers || !Z_OBJ_HANDLER_P(arg, cast_object)) {
SEPARATE_ZVAL_NOREF(arg);
if (zend_std_cast_object_tostring(arg, arg, type TSRMLS_CC) == SUCCESS) {
*pl = Z_STRLEN_P(arg);
*p = Z_STRVAL_P(arg);
return SUCCESS;
}
}
if (!Z_OBJ_HANDLER_P(arg, cast_object) && Z_OBJ_HANDLER_P(arg, get)) {
zval rv;
zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv TSRMLS_CC);
Z_ADDREF_P(z);
if(Z_TYPE_P(z) != IS_OBJECT) {
zval_dtor(arg);
ZVAL_NULL(arg);
if (!zend_make_printable_zval(z, arg TSRMLS_CC)) {
ZVAL_ZVAL(arg, z, 1, 1);
}
*pl = Z_STRLEN_P(arg);
*p = Z_STRVAL_P(arg);
return SUCCESS;
}
zval_ptr_dtor(z);
}
return FAILURE;
}
/* }}} */
ZEND_API int parse_arg_object_to_str(zval *arg, zend_string **str, int type TSRMLS_DC) /* {{{ */
{
if (Z_OBJ_HANDLER_P(arg, cast_object)) {
zval obj;
if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, type TSRMLS_CC) == SUCCESS) {
zval_ptr_dtor(arg);
ZVAL_COPY_VALUE(arg, &obj);
*str = Z_STR_P(arg);
return SUCCESS;
}
}
/* Standard PHP objects */
if (Z_OBJ_HT_P(arg) == &std_object_handlers || !Z_OBJ_HANDLER_P(arg, cast_object)) {
SEPARATE_ZVAL_NOREF(arg);
if (zend_std_cast_object_tostring(arg, arg, type TSRMLS_CC) == SUCCESS) {
*str = Z_STR_P(arg);
return SUCCESS;
}
}
if (!Z_OBJ_HANDLER_P(arg, cast_object) && Z_OBJ_HANDLER_P(arg, get)) {
zval rv;
zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv TSRMLS_CC);
Z_ADDREF_P(z);
if(Z_TYPE_P(z) != IS_OBJECT) {
zval_dtor(arg);
ZVAL_NULL(arg);
if (!zend_make_printable_zval(z, arg TSRMLS_CC)) {
ZVAL_ZVAL(arg, z, 1, 1);
}
*str = Z_STR_P(arg);
return SUCCESS;
}
zval_ptr_dtor(z);
}
return FAILURE;
}
/* }}} */
#ifdef FAST_ZPP
ZEND_API void zend_wrong_paramers_count_error(int num_args, int min_num_args, int max_num_args TSRMLS_DC) /* {{{ */
{
zend_function *active_function = EG(current_execute_data)->func;
const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : "";
zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given",
class_name, \
class_name[0] ? "::" : "", \
active_function->common.function_name->val,
min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
num_args < min_num_args ? min_num_args : max_num_args,
(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
num_args);
}
/* }}} */
ZEND_API void zend_wrong_paramer_type_error(int num, zend_expected_type expected_type, zval *arg TSRMLS_DC) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
static const char * const expected_error[] = {
Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR)
NULL
};
zend_error(E_WARNING, "%s%s%s() expects parameter %d to be %s, %s given",
class_name, space, get_active_function_name(TSRMLS_C), num, expected_error[expected_type], zend_zval_type_name(arg));
}
/* }}} */
ZEND_API void zend_wrong_paramer_class_error(int num, char *name, zval *arg TSRMLS_DC) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
zend_error(E_WARNING, "%s%s%s() expects parameter %d to be %s, %s given",
class_name, space, get_active_function_name(TSRMLS_C), num, name, zend_zval_type_name(arg));
}
/* }}} */
ZEND_API void zend_wrong_callback_error(int severity, int num, char *error TSRMLS_DC) /* {{{ */
{
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
zend_error(severity, "%s%s%s() expects parameter %d to be a valid callback, %s",
class_name, space, get_active_function_name(TSRMLS_C), num, error);
efree(error);
}
/* }}} */
ZEND_API int _z_param_class(zval *arg, zend_class_entry **pce, int num, int check_null TSRMLS_DC) /* {{{ */
{
zend_class_entry *ce_base = *pce;
if (check_null && Z_TYPE_P(arg) == IS_NULL) {
*pce = NULL;
return 1;
}
convert_to_string_ex(arg);
*pce = zend_lookup_class(Z_STR_P(arg) TSRMLS_CC);
if (ce_base) {
if ((!*pce || !instanceof_function(*pce, ce_base TSRMLS_CC))) {
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
zend_error(E_WARNING, "%s%s%s() expects parameter %d to be a class name derived from %s, '%s' given",
class_name, space, get_active_function_name(TSRMLS_C), num,
ce_base->name->val, Z_STRVAL_P(arg));
*pce = NULL;
return 0;
}
}
if (!*pce) {
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
zend_error(E_WARNING, "%s%s%s() expects parameter %d to be a valid class name, '%s' given",
class_name, space, get_active_function_name(TSRMLS_C), num,
Z_STRVAL_P(arg));
return 0;
}
return 1;
}
/* }}} */
#endif
static const char *zend_parse_arg_impl(int arg_num, zval *arg, va_list *va, const char **spec, char **error, int *severity TSRMLS_DC) /* {{{ */
{
const char *spec_walk = *spec;
char c = *spec_walk++;
int check_null = 0;
zval *real_arg = arg;
/* scan through modifiers */
ZVAL_DEREF(arg);
while (1) {
if (*spec_walk == '/') {
SEPARATE_ZVAL(arg);
real_arg = arg;
} else if (*spec_walk == '!') {
check_null = 1;
} else {
break;
}
spec_walk++;
}
switch (c) {
case 'l':
case 'L':
{
zend_long *p = va_arg(*va, zend_long *);
zend_bool *is_null = NULL;
if (check_null) {
is_null = va_arg(*va, zend_bool *);
}
if (!_z_param_long(arg, p, is_null, check_null, c == 'L')) {
return "long";
}
}
break;
case 'd':
{
double *p = va_arg(*va, double *);
zend_bool *is_null = NULL;
if (check_null) {
is_null = va_arg(*va, zend_bool *);
}
if (!_z_param_double(arg, p, is_null, check_null)) {
return "double";
}
}
break;
case 's':
{
char **p = va_arg(*va, char **);
size_t *pl = va_arg(*va, size_t *);
if (!_z_param_string(arg, p, pl, check_null TSRMLS_CC)) {
return "string";
}
}
break;
case 'p':
{
char **p = va_arg(*va, char **);
size_t *pl = va_arg(*va, size_t *);
if (!_z_param_path(arg, p, pl, check_null TSRMLS_CC)) {
return "a valid path";
}
}
break;
case 'P':
{
zend_string **str = va_arg(*va, zend_string **);
if (!_z_param_path_str(arg, str, check_null TSRMLS_CC)) {
return "a valid path";
}
}
break;
case 'S':
{
zend_string **str = va_arg(*va, zend_string **);
if (!_z_param_str(arg, str, check_null TSRMLS_CC)) {
return "string";
}
}
break;
case 'b':
{
zend_bool *p = va_arg(*va, zend_bool *);
zend_bool *is_null = NULL;
if (check_null) {
is_null = va_arg(*va, zend_bool *);
}
if (!_z_param_bool(arg, p, is_null, check_null TSRMLS_CC)) {
return "boolean";
}
}
break;
case 'r':
{
zval **p = va_arg(*va, zval **);
if (!_z_param_resource(arg, p, check_null)) {
return "resource";
}
}
break;
case 'A':
case 'a':
{
zval **p = va_arg(*va, zval **);
if (!_z_param_array(arg, p, check_null, c == 'A')) {
return "array";
}
}
break;
case 'H':
case 'h':
{
HashTable **p = va_arg(*va, HashTable **);
if (!_z_param_array_ht(arg, p, check_null, c == 'H' TSRMLS_CC)) {
return "array";
}
}
break;
case 'o':
{
zval **p = va_arg(*va, zval **);
if (check_null && Z_TYPE_P(arg) == IS_NULL) {
*p = NULL;
break;
}
if (Z_TYPE_P(arg) == IS_OBJECT) {
*p = arg;
} else {
return "object";
}
}
break;
case 'O':
{
zval **p = va_arg(*va, zval **);
zend_class_entry *ce = va_arg(*va, zend_class_entry *);
if (!_z_param_object(arg, p, ce, check_null TSRMLS_CC)) {
if (ce) {
return ce->name->val;
} else {
return "object";
}
}
}
break;
case 'C':
{
zend_class_entry *lookup, **pce = va_arg(*va, zend_class_entry **);
zend_class_entry *ce_base = *pce;
if (check_null && Z_TYPE_P(arg) == IS_NULL) {
*pce = NULL;
break;
}
convert_to_string_ex(arg);
if ((lookup = zend_lookup_class(Z_STR_P(arg) TSRMLS_CC)) == NULL) {
*pce = NULL;
} else {
*pce = lookup;
}
if (ce_base) {
if ((!*pce || !instanceof_function(*pce, ce_base TSRMLS_CC))) {
zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given",
ce_base->name->val, Z_STRVAL_P(arg));
*pce = NULL;
return "";
}
}
if (!*pce) {
zend_spprintf(error, 0, "to be a valid class name, '%s' given",
Z_STRVAL_P(arg));
return "";
}
break;
}
break;
case 'f':
{
zend_fcall_info *fci = va_arg(*va, zend_fcall_info *);
zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *);
char *is_callable_error = NULL;
if (check_null && Z_TYPE_P(arg) == IS_NULL) {
fci->size = 0;
fcc->initialized = 0;
break;
}
if (zend_fcall_info_init(arg, 0, fci, fcc, NULL, &is_callable_error TSRMLS_CC) == SUCCESS) {
if (is_callable_error) {
*severity = E_STRICT;
zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
efree(is_callable_error);
*spec = spec_walk;
return "";
}
break;
} else {
if (is_callable_error) {
*severity = E_WARNING;
zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
efree(is_callable_error);
return "";
} else {
return "valid callback";
}
}
}
case 'z':
{
zval **p = va_arg(*va, zval **);
_z_param_zval(arg, p, check_null);
}
break;
case 'Z':
/* 'Z' iz not supported anymore and should be replaced with 'z' */
ZEND_ASSERT(c != 'Z');
default:
return "unknown";
}
*spec = spec_walk;
return NULL;
}
/* }}} */
static int zend_parse_arg(int arg_num, zval *arg, va_list *va, const char **spec, int quiet TSRMLS_DC) /* {{{ */
{
const char *expected_type = NULL;
char *error = NULL;
int severity = E_WARNING;
expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity TSRMLS_CC);
if (expected_type) {
if (!quiet && (*expected_type || error)) {
const char *space;
const char *class_name = get_active_class_name(&space TSRMLS_CC);
if (error) {
zend_error(severity, "%s%s%s() expects parameter %d %s",
class_name, space, get_active_function_name(TSRMLS_C), arg_num, error);
efree(error);
} else {
zend_error(severity, "%s%s%s() expects parameter %d to be %s, %s given",
class_name, space, get_active_function_name(TSRMLS_C), arg_num, expected_type,
zend_zval_type_name(arg));
}
}
if (severity != E_STRICT) {
return FAILURE;
}
}
return SUCCESS;
}
/* }}} */
ZEND_API int zend_parse_parameter(int flags, int arg_num TSRMLS_DC, zval *arg, const char *spec, ...)
{
va_list va;
int ret;
int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
va_start(va, spec);
ret = zend_parse_arg(arg_num, arg, &va, &spec, quiet TSRMLS_CC);
va_end(va);
return ret;
}
static int zend_parse_va_args(int num_args, const char *type_spec, va_list *va, int flags TSRMLS_DC) /* {{{ */
{
const char *spec_walk;
int c, i;
int min_num_args = -1;
int max_num_args = 0;
int post_varargs = 0;
zval *arg;
int arg_count;
int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
zend_bool have_varargs = 0;
zval **varargs = NULL;
int *n_varargs = NULL;
for (spec_walk = type_spec; *spec_walk; spec_walk++) {
c = *spec_walk;
switch (c) {
case 'l': case 'd':
case 's': case 'b':
case 'r': case 'a':
case 'o': case 'O':
case 'z': case 'Z':
case 'C': case 'h':
case 'f': case 'A':
case 'H': case 'p':
case 'S': case 'P':
case 'L':
max_num_args++;
break;
case '|':
min_num_args = max_num_args;
break;
case '/':
case '!':
/* Pass */
break;
case '*':
case '+':
if (have_varargs) {
if (!quiet) {
zend_function *active_function = EG(current_execute_data)->func;
const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : "";
zend_error(E_WARNING, "%s%s%s(): only one varargs specifier (* or +) is permitted",
class_name,
class_name[0] ? "::" : "",
active_function->common.function_name->val);
}
return FAILURE;
}
have_varargs = 1;
/* we expect at least one parameter in varargs */
if (c == '+') {
max_num_args++;
}
/* mark the beginning of varargs */
post_varargs = max_num_args;
break;
default:
if (!quiet) {
zend_function *active_function = EG(current_execute_data)->func;
const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : "";
zend_error(E_WARNING, "%s%s%s(): bad type specifier while parsing parameters",
class_name,
class_name[0] ? "::" : "",
active_function->common.function_name->val);
}
return FAILURE;
}
}
if (min_num_args < 0) {
min_num_args = max_num_args;
}
if (have_varargs) {
/* calculate how many required args are at the end of the specifier list */
post_varargs = max_num_args - post_varargs;
max_num_args = -1;
}
if (num_args < min_num_args || (num_args > max_num_args && max_num_args > 0)) {
if (!quiet) {
zend_function *active_function = EG(current_execute_data)->func;
const char *class_name = active_function->common.scope ? active_function->common.scope->name->val : "";
zend_error(E_WARNING, "%s%s%s() expects %s %d parameter%s, %d given",
class_name,
class_name[0] ? "::" : "",
active_function->common.function_name->val,
min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
num_args < min_num_args ? min_num_args : max_num_args,
(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
num_args);
}
return FAILURE;
}
arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
if (num_args > arg_count) {
zend_error(E_WARNING, "%s(): could not obtain parameters for parsing",
get_active_function_name(TSRMLS_C));
return FAILURE;
}
i = 0;
while (num_args-- > 0) {
if (*type_spec == '|') {
type_spec++;
}
if (*type_spec == '*' || *type_spec == '+') {
int num_varargs = num_args + 1 - post_varargs;
/* eat up the passed in storage even if it won't be filled in with varargs */
varargs = va_arg(*va, zval **);
n_varargs = va_arg(*va, int *);
type_spec++;
if (num_varargs > 0) {
*n_varargs = num_varargs;
*varargs = ZEND_CALL_ARG(EG(current_execute_data), i + 1);
/* adjust how many args we have left and restart loop */
num_args += 1 - num_varargs;
i += num_varargs;
continue;
} else {
*varargs = NULL;
*n_varargs = 0;
}
}
arg = ZEND_CALL_ARG(EG(current_execute_data), i + 1);
if (zend_parse_arg(i+1, arg, va, &type_spec, quiet TSRMLS_CC) == FAILURE) {
/* clean up varargs array if it was used */
if (varargs && *varargs) {
*varargs = NULL;
}
return FAILURE;
}
i++;
}
return SUCCESS;
}
/* }}} */
#define RETURN_IF_ZERO_ARGS(num_args, type_spec, quiet) { \
int __num_args = (num_args); \
\
if (0 == (type_spec)[0] && 0 != __num_args && !(quiet)) { \
const char *__space; \
const char * __class_name = get_active_class_name(&__space TSRMLS_CC); \
zend_error(E_WARNING, "%s%s%s() expects exactly 0 parameters, %d given", \
__class_name, __space, \
get_active_function_name(TSRMLS_C), __num_args); \
return FAILURE; \
}\
}
ZEND_API int zend_parse_parameters_ex(int flags, int num_args TSRMLS_DC, const char *type_spec, ...) /* {{{ */
{
va_list va;
int retval;
RETURN_IF_ZERO_ARGS(num_args, type_spec, flags & ZEND_PARSE_PARAMS_QUIET);
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
va_end(va);
return retval;
}
/* }}} */
ZEND_API int zend_parse_parameters(int num_args TSRMLS_DC, const char *type_spec, ...) /* {{{ */
{
va_list va;
int retval;
RETURN_IF_ZERO_ARGS(num_args, type_spec, 0);
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
va_end(va);
return retval;
}
/* }}} */
ZEND_API int zend_parse_method_parameters(int num_args TSRMLS_DC, zval *this_ptr, const char *type_spec, ...) /* {{{ */
{
va_list va;
int retval;
const char *p = type_spec;
zval **object;
zend_class_entry *ce;
/* Just checking this_ptr is not enough, because fcall_common_helper does not set
* Z_OBJ(EG(This)) to NULL when calling an internal function with common.scope == NULL.
* In that case EG(This) would still be the $this from the calling code and we'd take the
* wrong branch here. */
zend_bool is_method = EG(current_execute_data)->func->common.scope != NULL;
if (!is_method || !this_ptr || Z_TYPE_P(this_ptr) != IS_OBJECT) {
RETURN_IF_ZERO_ARGS(num_args, p, 0);
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, 0 TSRMLS_CC);
va_end(va);
} else {
p++;
RETURN_IF_ZERO_ARGS(num_args, p, 0);
va_start(va, type_spec);
object = va_arg(va, zval **);
ce = va_arg(va, zend_class_entry *);
*object = this_ptr;
if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
Z_OBJCE_P(this_ptr)->name->val, get_active_function_name(TSRMLS_C), ce->name->val, get_active_function_name(TSRMLS_C));
}
retval = zend_parse_va_args(num_args, p, &va, 0 TSRMLS_CC);
va_end(va);
}
return retval;
}
/* }}} */
ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args TSRMLS_DC, zval *this_ptr, const char *type_spec, ...) /* {{{ */
{
va_list va;
int retval;
const char *p = type_spec;
zval **object;
zend_class_entry *ce;
int quiet = flags & ZEND_PARSE_PARAMS_QUIET;
if (!this_ptr) {
RETURN_IF_ZERO_ARGS(num_args, p, quiet);
va_start(va, type_spec);
retval = zend_parse_va_args(num_args, type_spec, &va, flags TSRMLS_CC);
va_end(va);
} else {
p++;
RETURN_IF_ZERO_ARGS(num_args, p, quiet);
va_start(va, type_spec);
object = va_arg(va, zval **);
ce = va_arg(va, zend_class_entry *);
*object = this_ptr;
if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce TSRMLS_CC)) {
if (!quiet) {
zend_error(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
ce->name->val, get_active_function_name(TSRMLS_C), Z_OBJCE_P(this_ptr)->name->val, get_active_function_name(TSRMLS_C));
}
va_end(va);
return FAILURE;
}
retval = zend_parse_va_args(num_args, p, &va, flags TSRMLS_CC);
va_end(va);
}
return retval;
}
/* }}} */
/* Argument parsing API -- andrei */
ZEND_API int _array_init(zval *arg, uint size ZEND_FILE_LINE_DC) /* {{{ */
{
ZVAL_NEW_ARR(arg);
_zend_hash_init(Z_ARRVAL_P(arg), size, ZVAL_PTR_DTOR, 0 ZEND_FILE_LINE_RELAY_CC);
return SUCCESS;
}
/* }}} */
/* This function should be called after the constructor has been called
* because it may call __set from the uninitialized object otherwise. */
ZEND_API void zend_merge_properties(zval *obj, HashTable *properties TSRMLS_DC) /* {{{ */
{
const zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
zend_class_entry *old_scope = EG(scope);
zend_string *key;
zval *value;
EG(scope) = Z_OBJCE_P(obj);
ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, value) {
if (key) {
zval member;
ZVAL_STR(&member, key);
obj_ht->write_property(obj, &member, value, NULL TSRMLS_CC);
}
} ZEND_HASH_FOREACH_END();
EG(scope) = old_scope;
}
/* }}} */
static int zval_update_class_constant(zval *pp, int is_static, uint32_t offset TSRMLS_DC) /* {{{ */
{
ZVAL_DEREF(pp);
if (Z_CONSTANT_P(pp)) {
zend_class_entry **scope = EG(current_execute_data) ? &EG(scope) : &CG(active_class_entry);
if ((*scope)->parent) {
zend_class_entry *ce = *scope;
zend_property_info *prop_info;
do {
ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) {
if (is_static == ((prop_info->flags & ZEND_ACC_STATIC) != 0) &&
offset == prop_info->offset) {
int ret;
zend_class_entry *old_scope = *scope;
*scope = prop_info->ce;
ret = zval_update_constant(pp, 1 TSRMLS_CC);
*scope = old_scope;
return ret;
}
} ZEND_HASH_FOREACH_END();
ce = ce->parent;
} while (ce);
}
return zval_update_constant(pp, 1 TSRMLS_CC);
}
return 0;