diff options
Diffstat (limited to 'Zend/zend_builtin_functions.c')
| -rw-r--r-- | Zend/zend_builtin_functions.c | 1703 |
1 files changed, 0 insertions, 1703 deletions
diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c deleted file mode 100644 index 571b591fd6..0000000000 --- a/Zend/zend_builtin_functions.c +++ /dev/null @@ -1,1703 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2003 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 at through the world-wide-web at | - | 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> | - +----------------------------------------------------------------------+ -*/ - -/* $Id$ */ - -#include "zend.h" -#include "zend_API.h" -#include "zend_builtin_functions.h" -#include "zend_constants.h" -#include "zend_ini.h" - -#undef ZEND_TEST_EXCEPTIONS - -static ZEND_FUNCTION(zend_version); -static ZEND_FUNCTION(func_num_args); -static ZEND_FUNCTION(func_get_arg); -static ZEND_FUNCTION(func_get_args); -static ZEND_NAMED_FUNCTION(zend_if_strlen); -static ZEND_FUNCTION(strcmp); -static ZEND_FUNCTION(strncmp); -static ZEND_FUNCTION(strcasecmp); -static ZEND_FUNCTION(strncasecmp); -static ZEND_FUNCTION(each); -static ZEND_FUNCTION(error_reporting); -static ZEND_FUNCTION(define); -static ZEND_FUNCTION(defined); -static ZEND_FUNCTION(get_class); -static ZEND_FUNCTION(get_parent_class); -static ZEND_FUNCTION(method_exists); -static ZEND_FUNCTION(class_exists); -static ZEND_FUNCTION(function_exists); -#if ZEND_DEBUG -static ZEND_FUNCTION(leak); -#ifdef ZEND_TEST_EXCEPTIONS -static ZEND_FUNCTION(crash); -#endif -#endif -static ZEND_FUNCTION(get_included_files); -static ZEND_FUNCTION(is_subclass_of); -static ZEND_FUNCTION(is_a); -static ZEND_FUNCTION(get_class_vars); -static ZEND_FUNCTION(get_object_vars); -static ZEND_FUNCTION(get_class_methods); -static ZEND_FUNCTION(trigger_error); -static ZEND_FUNCTION(set_error_handler); -static ZEND_FUNCTION(restore_error_handler); -static ZEND_FUNCTION(set_exception_handler); -static ZEND_FUNCTION(restore_exception_handler); -static ZEND_FUNCTION(get_declared_classes); -static ZEND_FUNCTION(get_defined_functions); -static ZEND_FUNCTION(get_defined_vars); -static ZEND_FUNCTION(create_function); -static ZEND_FUNCTION(get_resource_type); -static ZEND_FUNCTION(get_loaded_extensions); -static ZEND_FUNCTION(extension_loaded); -static ZEND_FUNCTION(get_extension_funcs); -static ZEND_FUNCTION(get_defined_constants); -static ZEND_FUNCTION(debug_backtrace); -static ZEND_FUNCTION(debug_print_backtrace); -#if ZEND_DEBUG -static ZEND_FUNCTION(zend_test_func); -#ifdef ZTS -static ZEND_FUNCTION(zend_thread_id); -#endif -#endif - -ZEND_API unsigned char first_arg_force_ref[] = { 1, BYREF_FORCE }; -ZEND_API unsigned char second_arg_force_ref[] = { 2, BYREF_NONE, BYREF_FORCE }; -ZEND_API unsigned char third_arg_force_ref[] = { 3, BYREF_NONE, BYREF_NONE, BYREF_FORCE }; - -static zend_function_entry builtin_functions[] = { - ZEND_FE(zend_version, NULL) - ZEND_FE(func_num_args, NULL) - ZEND_FE(func_get_arg, NULL) - ZEND_FE(func_get_args, NULL) - { "strlen", zend_if_strlen, NULL }, - ZEND_FE(strcmp, NULL) - ZEND_FE(strncmp, NULL) - ZEND_FE(strcasecmp, NULL) - ZEND_FE(strncasecmp, NULL) - ZEND_FE(each, first_arg_force_ref) - ZEND_FE(error_reporting, NULL) - ZEND_FE(define, NULL) - ZEND_FE(defined, NULL) - ZEND_FE(get_class, NULL) - ZEND_FE(get_parent_class, NULL) - ZEND_FE(method_exists, NULL) - ZEND_FE(class_exists, NULL) - ZEND_FE(function_exists, NULL) -#if ZEND_DEBUG - ZEND_FE(leak, NULL) -#ifdef ZEND_TEST_EXCEPTIONS - ZEND_FE(crash, NULL) -#endif -#endif - ZEND_FE(get_included_files, NULL) - ZEND_FALIAS(get_required_files, get_included_files, NULL) - ZEND_FE(is_subclass_of, NULL) - ZEND_FE(is_a, NULL) - ZEND_FE(get_class_vars, NULL) - ZEND_FE(get_object_vars, NULL) - ZEND_FE(get_class_methods, NULL) - ZEND_FE(trigger_error, NULL) - ZEND_FALIAS(user_error, trigger_error, NULL) - ZEND_FE(set_error_handler, NULL) - ZEND_FE(restore_error_handler, NULL) - ZEND_FE(set_exception_handler, NULL) - ZEND_FE(restore_exception_handler, NULL) - ZEND_FE(get_declared_classes, NULL) - ZEND_FE(get_defined_functions, NULL) - ZEND_FE(get_defined_vars, NULL) - ZEND_FE(create_function, NULL) - ZEND_FE(get_resource_type, NULL) - ZEND_FE(get_loaded_extensions, NULL) - ZEND_FE(extension_loaded, NULL) - ZEND_FE(get_extension_funcs, NULL) - ZEND_FE(get_defined_constants, NULL) - ZEND_FE(debug_backtrace, NULL) - ZEND_FE(debug_print_backtrace, NULL) -#if ZEND_DEBUG - ZEND_FE(zend_test_func, NULL) -#ifdef ZTS - ZEND_FE(zend_thread_id, NULL) -#endif -#endif - { NULL, NULL, NULL } -}; - - -int zend_startup_builtin_functions(TSRMLS_D) -{ - return zend_register_functions(NULL, builtin_functions, NULL, MODULE_PERSISTENT TSRMLS_CC); -} - - -/* {{{ proto string zend_version(void) - Get the version of the Zend Engine */ -ZEND_FUNCTION(zend_version) -{ - RETURN_STRINGL(ZEND_VERSION, sizeof(ZEND_VERSION)-1, 1); -} -/* }}} */ - - -/* {{{ proto int func_num_args(void) - Get the number of arguments that were passed to the function */ -ZEND_FUNCTION(func_num_args) -{ - void **p; - int arg_count; - - p = EG(argument_stack).top_element-1-1; - arg_count = (ulong) *p; /* this is the amount of arguments passed to func_num_args(); */ - p -= 1+arg_count; - if (*p) { - zend_error(E_ERROR, "func_num_args(): Can't be used as a function parameter"); - } - --p; - if (p>=EG(argument_stack).elements) { - RETURN_LONG((ulong) *p); - } else { - zend_error(E_WARNING, "func_num_args(): Called from the global scope - no function context"); - RETURN_LONG(-1); - } -} -/* }}} */ - - -/* {{{ proto mixed func_get_arg(int arg_num) - Get the $arg_num'th argument that was passed to the function */ -ZEND_FUNCTION(func_get_arg) -{ - void **p; - int arg_count; - zval **z_requested_offset; - zval *arg; - long requested_offset; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &z_requested_offset)==FAILURE) { - RETURN_FALSE; - } - convert_to_long_ex(z_requested_offset); - requested_offset = (*z_requested_offset)->value.lval; - - if (requested_offset < 0) { - zend_error(E_WARNING, "func_get_arg(): The argument number should be >= 0"); - RETURN_FALSE; - } - - p = EG(argument_stack).top_element-1-1; - arg_count = (ulong) *p; /* this is the amount of arguments passed to func_get_arg(); */ - p -= 1+arg_count; - if (*p) { - zend_error(E_ERROR, "func_get_arg(): Can't be used as a function parameter"); - } - --p; - if (p<EG(argument_stack).elements) { - zend_error(E_WARNING, "func_get_arg(): Called from the global scope - no function context"); - RETURN_FALSE; - } - arg_count = (ulong) *p; - - if (requested_offset>=arg_count) { - zend_error(E_WARNING, "func_get_arg(): Argument %d not passed to function", requested_offset); - RETURN_FALSE; - } - - arg = *(p-(arg_count-requested_offset)); - *return_value = *arg; - zval_copy_ctor(return_value); -} -/* }}} */ - - -/* {{{ proto array func_get_args() - Get an array of the arguments that were passed to the function */ -ZEND_FUNCTION(func_get_args) -{ - void **p; - int arg_count; - int i; - - p = EG(argument_stack).top_element-1-1; - arg_count = (ulong) *p; /* this is the amount of arguments passed to func_get_args(); */ - p -= 1+arg_count; - if (*p) { - zend_error(E_ERROR, "func_get_args(): Can't be used as a function parameter"); - } - --p; - - if (p<EG(argument_stack).elements) { - zend_error(E_WARNING, "func_get_args(): Called from the global scope - no function context"); - RETURN_FALSE; - } - arg_count = (ulong) *p; - - - array_init(return_value); - for (i=0; i<arg_count; i++) { - zval *element; - - ALLOC_ZVAL(element); - *element = **((zval **) (p-(arg_count-i))); - zval_copy_ctor(element); - INIT_PZVAL(element); - zend_hash_next_index_insert(return_value->value.ht, &element, sizeof(zval *), NULL); - } -} -/* }}} */ - - -/* {{{ proto int strlen(string str) - Get string length */ -ZEND_NAMED_FUNCTION(zend_if_strlen) -{ - zval **str; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &str) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(str); - RETVAL_LONG((*str)->value.str.len); -} -/* }}} */ - - -/* {{{ proto int strcmp(string str1, string str2) - Binary safe string comparison */ -ZEND_FUNCTION(strcmp) -{ - zval **s1, **s2; - - if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &s1, &s2) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(s1); - convert_to_string_ex(s2); - RETURN_LONG(zend_binary_zval_strcmp(*s1, *s2)); -} -/* }}} */ - - -/* {{{ proto int strncmp(string str1, string str2, int len) - Binary safe string comparison */ -ZEND_FUNCTION(strncmp) -{ - zval **s1, **s2, **s3; - - if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &s1, &s2, &s3) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(s1); - convert_to_string_ex(s2); - convert_to_long_ex(s3); - RETURN_LONG(zend_binary_zval_strncmp(*s1, *s2, *s3)); -} -/* }}} */ - - -/* {{{ proto int strcasecmp(string str1, string str2) - Binary safe case-insensitive string comparison */ -ZEND_FUNCTION(strcasecmp) -{ - zval **s1, **s2; - - if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &s1, &s2) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(s1); - convert_to_string_ex(s2); - RETURN_LONG(zend_binary_zval_strcasecmp(*s1, *s2)); -} -/* }}} */ - - -/* {{{ proto int strncasecmp(string str1, string str2, int len) - Binary safe string comparison */ -ZEND_FUNCTION(strncasecmp) -{ - zval **s1, **s2, **s3; - - if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &s1, &s2, &s3) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(s1); - convert_to_string_ex(s2); - convert_to_long_ex(s3); - RETURN_LONG(zend_binary_zval_strncasecmp(*s1, *s2, *s3)); -} -/* }}} */ - - -/* {{{ proto array each(array arr) - Return the currently pointed key..value pair in the passed array, and advance the pointer to the next element */ -ZEND_FUNCTION(each) -{ - zval **array, *entry, **entry_ptr, *tmp; - char *string_key; - ulong num_key; - zval **inserted_pointer; - HashTable *target_hash; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &array) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - target_hash = HASH_OF(*array); - if (!target_hash) { - zend_error(E_WARNING,"Variable passed to each() is not an array or object"); - return; - } - if (zend_hash_get_current_data(target_hash, (void **) &entry_ptr)==FAILURE) { - RETURN_FALSE; - } - array_init(return_value); - entry = *entry_ptr; - - /* add value elements */ - if (entry->is_ref) { - ALLOC_ZVAL(tmp); - *tmp = *entry; - zval_copy_ctor(tmp); - tmp->is_ref=0; - tmp->refcount=0; - entry=tmp; - } - zend_hash_index_update(return_value->value.ht, 1, &entry, sizeof(zval *), NULL); - entry->refcount++; - zend_hash_update(return_value->value.ht, "value", sizeof("value"), &entry, sizeof(zval *), NULL); - entry->refcount++; - - /* add the key elements */ - switch (zend_hash_get_current_key(target_hash, &string_key, &num_key, 1)) { - case HASH_KEY_IS_STRING: - add_get_index_string(return_value, 0, string_key, (void **) &inserted_pointer, 0); - break; - case HASH_KEY_IS_LONG: - add_get_index_long(return_value, 0, num_key, (void **) &inserted_pointer); - break; - } - zend_hash_update(return_value->value.ht, "key", sizeof("key"), inserted_pointer, sizeof(zval *), NULL); - (*inserted_pointer)->refcount++; - zend_hash_move_forward(target_hash); -} -/* }}} */ - - -/* {{{ proto int error_reporting(int new_error_level=null) - Return the current error_reporting level, and if an argument was passed - change to the new level */ -ZEND_FUNCTION(error_reporting) -{ - zval **arg; - int old_error_reporting; - - old_error_reporting = EG(error_reporting); - switch (ZEND_NUM_ARGS()) { - case 0: - break; - case 1: - if (zend_get_parameters_ex(1, &arg) == FAILURE) { - RETURN_FALSE; - } - convert_to_string_ex(arg); - zend_alter_ini_entry("error_reporting", sizeof("error_reporting"), Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME); - break; - default: - ZEND_WRONG_PARAM_COUNT(); - break; - } - - RETVAL_LONG(old_error_reporting); -} -/* }}} */ - - -/* {{{ proto bool define(string constant_name, mixed value, case_sensitive=true) - Define a new constant */ -ZEND_FUNCTION(define) -{ - zval **var, **val, **non_cs; - int case_sensitive; - zend_constant c; - - switch (ZEND_NUM_ARGS()) { - case 2: - if (zend_get_parameters_ex(2, &var, &val)==FAILURE) { - RETURN_FALSE; - } - case_sensitive = CONST_CS; - break; - case 3: - if (zend_get_parameters_ex(3, &var, &val, &non_cs)==FAILURE) { - RETURN_FALSE; - } - convert_to_long_ex(non_cs); - if ((*non_cs)->value.lval) { - case_sensitive = 0; - } else { - case_sensitive = CONST_CS; - } - break; - default: - ZEND_WRONG_PARAM_COUNT(); - break; - } - - switch ((*val)->type) { - case IS_LONG: - case IS_DOUBLE: - case IS_STRING: - case IS_BOOL: - case IS_RESOURCE: - case IS_NULL: - break; - default: - zend_error(E_WARNING,"Constants may only evaluate to scalar values"); - RETURN_FALSE; - break; - } - convert_to_string_ex(var); - - c.value = **val; - zval_copy_ctor(&c.value); - c.flags = case_sensitive; /* non persistent */ - c.name = zend_strndup((*var)->value.str.val, (*var)->value.str.len); - c.name_len = (*var)->value.str.len+1; - if (zend_register_constant(&c TSRMLS_CC) == SUCCESS) { - RETURN_TRUE; - } else { - RETURN_FALSE; - } -} -/* }}} */ - - -/* {{{ proto bool defined(string constant_name) - Check whether a constant exists */ -ZEND_FUNCTION(defined) -{ - zval **var; - zval c; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &var)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(var); - if (zend_get_constant((*var)->value.str.val, (*var)->value.str.len, &c TSRMLS_CC)) { - zval_dtor(&c); - RETURN_LONG(1); - } else { - RETURN_LONG(0); - } -} -/* }}} */ - - -/* {{{ proto string get_class(object object) - Retrieves the class name */ -ZEND_FUNCTION(get_class) -{ - zval **arg; - char *name; - zend_uint name_len; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &arg)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - if (Z_TYPE_PP(arg) != IS_OBJECT) { - RETURN_FALSE; - } - - if (Z_OBJ_HT_PP(arg)->get_class_name == NULL || - Z_OBJ_HT_PP(arg)->get_class_name(*arg, &name, &name_len, 0 TSRMLS_CC) != SUCCESS) { - zend_class_entry *ce; - - ce = zend_get_class_entry(*arg); - if (!ce) { - RETURN_FALSE; - } - - name = ce->name; - name_len = ce->name_length; - } - - RETURN_STRINGL(name, name_len, 1); -} -/* }}} */ - - -/* {{{ proto string get_parent_class(mixed object) - Retrieves the parent class name for object or class. */ -ZEND_FUNCTION(get_parent_class) -{ - zval **arg; - zend_class_entry *ce = NULL; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &arg)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - if (Z_TYPE_PP(arg) == IS_OBJECT) { - char *name; - zend_uint name_length; - - if (Z_OBJ_HT_PP(arg)->get_class_name - && Z_OBJ_HT_PP(arg)->get_class_name(*arg, &name, &name_length, 1 TSRMLS_CC) == SUCCESS) { - RETURN_STRINGL(name, name_length, 1); - } else if (Z_OBJ_HT_PP(arg)->get_class_entry && (ce = zend_get_class_entry(*arg))) { - RETURN_STRINGL(ce->name, ce->name_length, 1); - } else { - RETURN_FALSE; - } - } else if (Z_TYPE_PP(arg) == IS_STRING) { - zend_class_entry **pce; - - SEPARATE_ZVAL(arg); - zend_str_tolower(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg)); - if (zend_lookup_class(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &pce TSRMLS_CC) == SUCCESS) { - ce = *pce; - } - } - - if (ce && ce->parent) { - RETURN_STRINGL(ce->parent->name, ce->parent->name_length, 1); - } else { - RETURN_FALSE; - } -} -/* }}} */ - - -static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass) -{ - zval **obj, **class_name; - char *lcname; - zend_class_entry *ce = NULL; - - if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &obj, &class_name)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - if (Z_TYPE_PP(obj) != IS_OBJECT) { - RETURN_FALSE; - } - - /* TBI!! new object handlers */ - if (!HAS_CLASS_ENTRY(**obj)) { - RETURN_FALSE; - } - - convert_to_string_ex(class_name); - - lcname = estrndup(Z_STRVAL_PP(class_name), Z_STRLEN_PP(class_name)); - zend_str_tolower(lcname, Z_STRLEN_PP(class_name)); - - if (only_subclass) - ce = Z_OBJCE_PP(obj)->parent; - else - ce = Z_OBJCE_PP(obj); - for (; ce != NULL; ce = ce->parent) { - if ((ce->name_length == Z_STRLEN_PP(class_name)) && !memcmp(ce->name, lcname, ce->name_length)) { - efree(lcname); - RETURN_TRUE; - } - } - efree(lcname); - RETURN_FALSE; -} - - -/* {{{ proto bool is_subclass_of(object object, string class_name) - Returns true if the object has this class as one of its parents */ -ZEND_FUNCTION(is_subclass_of) -{ - is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); -} -/* }}} */ - - -/* {{{ proto bool is_a(object object, string class_name) - Returns true if the object is of this class or has this class as one of its parents */ -ZEND_FUNCTION(is_a) -{ - is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); -} -/* }}} */ - - -/* {{{ proto array get_class_vars(string class_name) - Returns an array of default properties of the class */ -ZEND_FUNCTION(get_class_vars) -{ - zval **class_name; - char *lcname; - zend_class_entry *ce, **pce; - zval *tmp; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &class_name)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(class_name); - lcname = estrndup((*class_name)->value.str.val, (*class_name)->value.str.len); - zend_str_tolower(lcname, (*class_name)->value.str.len); - - if (zend_lookup_class(lcname, Z_STRLEN_PP(class_name), &pce TSRMLS_CC) == FAILURE) { - efree(lcname); - RETURN_FALSE; - } else { - ce = *pce; - efree(lcname); - array_init(return_value); - if (!ce->constants_updated) { - zend_hash_apply_with_argument(&ce->default_properties, (apply_func_arg_t) zval_update_constant, (void *) 1 TSRMLS_CC); - ce->constants_updated = 1; - } - zend_hash_copy(return_value->value.ht, &ce->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *)); - } -} -/* }}} */ - - -/* {{{ proto array get_object_vars(object obj) - Returns an array of object properties */ -ZEND_FUNCTION(get_object_vars) -{ - zval **obj; - zval *tmp; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &obj) == FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - if ((*obj)->type != IS_OBJECT) { - RETURN_FALSE; - } - if (Z_OBJ_HT_PP(obj)->get_properties == NULL) { - RETURN_FALSE; - } - - array_init(return_value); - zend_hash_copy(return_value->value.ht, Z_OBJ_HT_PP(obj)->get_properties(*obj TSRMLS_CC), - (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *)); -} -/* }}} */ - - -/* {{{ proto array get_class_methods(mixed class) - Returns an array of method names for class or class instance. */ -ZEND_FUNCTION(get_class_methods) -{ - zval **class; - zval *method_name; - zend_class_entry *ce = NULL, **pce; - char *string_key; - ulong num_key; - int key_type; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &class)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - if (Z_TYPE_PP(class) == IS_OBJECT) { - /* TBI!! new object handlers */ - if (!HAS_CLASS_ENTRY(**class)) { - RETURN_FALSE; - } - ce = Z_OBJCE_PP(class); - } else if (Z_TYPE_PP(class) == IS_STRING) { - SEPARATE_ZVAL(class); - zend_str_tolower(Z_STRVAL_PP(class), Z_STRLEN_PP(class)); - - if (zend_lookup_class(Z_STRVAL_PP(class), Z_STRLEN_PP(class), &pce TSRMLS_CC) == SUCCESS) { - ce = *pce; - } - } - - if (!ce) { - RETURN_NULL(); - } - - array_init(return_value); - zend_hash_internal_pointer_reset(&ce->function_table); - while ((key_type = zend_hash_get_current_key(&ce->function_table, &string_key, &num_key, 1)) != HASH_KEY_NON_EXISTANT) { - if (key_type == HASH_KEY_IS_STRING) { - MAKE_STD_ZVAL(method_name); - ZVAL_STRING(method_name, string_key, 0); - zend_hash_next_index_insert(return_value->value.ht, &method_name, sizeof(zval *), NULL); - } - zend_hash_move_forward(&ce->function_table); - } -} -/* }}} */ - - -/* {{{ proto bool method_exists(object object, string method) - Checks if the class method exists */ -ZEND_FUNCTION(method_exists) -{ - zval **klass, **method_name; - char *lcname; - - if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &klass, &method_name)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - if ((*klass)->type != IS_OBJECT) { - RETURN_FALSE; - } - - /* TBI!! new object handlers */ - if (!HAS_CLASS_ENTRY(**klass)) { - RETURN_FALSE; - } - - convert_to_string_ex(method_name); - lcname = estrndup((*method_name)->value.str.val, (*method_name)->value.str.len); - zend_str_tolower(lcname, (*method_name)->value.str.len); - if (zend_hash_exists(&Z_OBJCE_PP(klass)->function_table, lcname, (*method_name)->value.str.len+1)) { - efree(lcname); - RETURN_TRUE; - } else { - efree(lcname); - RETURN_FALSE; - } -} -/* }}} */ - - -/* {{{ proto bool class_exists(string classname) - Checks if the class exists */ -ZEND_FUNCTION(class_exists) -{ - zval **class_name; - char *lcname; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &class_name)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(class_name); - lcname = estrndup((*class_name)->value.str.val, (*class_name)->value.str.len); - zend_str_tolower(lcname, (*class_name)->value.str.len); - if (zend_hash_exists(EG(class_table), lcname, (*class_name)->value.str.len+1)) { - efree(lcname); - RETURN_TRUE; - } else { - efree(lcname); - RETURN_FALSE; - } -} -/* }}} */ - - -/* {{{ proto bool function_exists(string function_name) - Checks if the function exists */ -ZEND_FUNCTION(function_exists) -{ - zval **function_name; - zend_function *func; - char *lcname; - zend_bool retval; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &function_name)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(function_name); - lcname = estrndup((*function_name)->value.str.val, (*function_name)->value.str.len); - zend_str_tolower(lcname, (*function_name)->value.str.len); - - retval = (zend_hash_find(EG(function_table), lcname, (*function_name)->value.str.len+1, (void **)&func) == SUCCESS); - efree(lcname); - - /* - * A bit of a hack, but not a bad one: we see if the handler of the function - * is actually one that displays "function is disabled" message. - */ - if (retval && - func->internal_function.handler == zif_display_disabled_function) { - retval = 0; - } - - RETURN_BOOL(retval); -} -/* }}} */ - -#if ZEND_DEBUG -/* {{{ proto void leak(int num_bytes=3) - Cause an intentional memory leak, for testing/debugging purposes */ -ZEND_FUNCTION(leak) -{ - int leakbytes=3; - zval **leak; - - if (ZEND_NUM_ARGS()>=1) { - if (zend_get_parameters_ex(1, &leak)==SUCCESS) { - convert_to_long_ex(leak); - leakbytes = (*leak)->value.lval; - } - } - - emalloc(leakbytes); -} -/* }}} */ - - -#ifdef ZEND_TEST_EXCEPTIONS -ZEND_FUNCTION(crash) -{ - char *nowhere=NULL; - - memcpy(nowhere, "something", sizeof("something")); -} -#endif - -#endif /* ZEND_DEBUG */ - -/* {{{ proto array get_included_files(void) - Returns an array with the file names that were include_once()'d */ -ZEND_FUNCTION(get_included_files) -{ - char *entry; - if (ZEND_NUM_ARGS() != 0) { - ZEND_WRONG_PARAM_COUNT(); - } - - array_init(return_value); - zend_hash_internal_pointer_reset(&EG(included_files)); - while (zend_hash_get_current_key(&EG(included_files), &entry, NULL, 1) == HASH_KEY_IS_STRING) { - add_next_index_string(return_value, entry, 0); - zend_hash_move_forward(&EG(included_files)); - } -} -/* }}} */ - - -/* {{{ proto void trigger_error(string messsage [, int error_type]) - Generates a user-level error/warning/notice message */ -ZEND_FUNCTION(trigger_error) -{ - int error_type = E_USER_NOTICE; - zval **z_error_type, **z_error_message; - - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1, &z_error_message)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - break; - case 2: - if (zend_get_parameters_ex(2, &z_error_message, &z_error_type)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_long_ex(z_error_type); - error_type = (*z_error_type)->value.lval; - switch (error_type) { - case E_USER_ERROR: - case E_USER_WARNING: - case E_USER_NOTICE: - break; - default: - zend_error(E_WARNING, "Invalid error type specified"); - RETURN_FALSE; - break; - } - break; - default: - ZEND_WRONG_PARAM_COUNT(); - } - convert_to_string_ex(z_error_message); - zend_error(error_type, "%s", (*z_error_message)->value.str.val); - RETURN_TRUE; -} -/* }}} */ - - -/* {{{ proto string set_error_handler(string error_handler) - Sets a user-defined error handler function. Returns the previously defined error handler, or false on error */ -ZEND_FUNCTION(set_error_handler) -{ - zval **error_handler; - zend_bool had_orig_error_handler=0; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &error_handler)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(error_handler); - if (EG(user_error_handler)) { - had_orig_error_handler = 1; - *return_value = *EG(user_error_handler); - zval_copy_ctor(return_value); - zend_ptr_stack_push(&EG(user_error_handlers), EG(user_error_handler)); - } - ALLOC_ZVAL(EG(user_error_handler)); - - if (Z_STRLEN_PP(error_handler)==0) { /* unset user-defined handler */ - FREE_ZVAL(EG(user_error_handler)); - EG(user_error_handler) = NULL; - RETURN_TRUE; - } - - *EG(user_error_handler) = **error_handler; - zval_copy_ctor(EG(user_error_handler)); - - if (!had_orig_error_handler) { - RETURN_NULL(); - } -} -/* }}} */ - - -/* {{{ proto void restore_error_handler(void) - Restores the previously defined error handler function */ -ZEND_FUNCTION(restore_error_handler) -{ - if (EG(user_error_handler)) { - zval_ptr_dtor(&EG(user_error_handler)); - } - if (zend_ptr_stack_num_elements(&EG(user_error_handlers))==0) { - EG(user_error_handler) = NULL; - } else { - EG(user_error_handler) = zend_ptr_stack_pop(&EG(user_error_handlers)); - } - RETURN_TRUE; -} -/* }}} */ - - -/* {{{ proto string set_exception_handler(string exception_handler) - Sets a user-defined exception handler function. Returns the previously defined exception handler, or false on error */ -ZEND_FUNCTION(set_exception_handler) -{ - zval **exception_handler; - zend_bool had_orig_exception_handler=0; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &exception_handler)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(exception_handler); - if (EG(user_exception_handler)) { - had_orig_exception_handler = 1; - *return_value = *EG(user_exception_handler); - zval_copy_ctor(return_value); - zend_ptr_stack_push(&EG(user_exception_handlers), EG(user_exception_handler)); - } - ALLOC_ZVAL(EG(user_exception_handler)); - - if (Z_STRLEN_PP(exception_handler)==0) { /* unset user-defined handler */ - FREE_ZVAL(EG(user_exception_handler)); - EG(user_exception_handler) = NULL; - RETURN_TRUE; - } - - *EG(user_exception_handler) = **exception_handler; - zval_copy_ctor(EG(user_exception_handler)); - - if (!had_orig_exception_handler) { - RETURN_NULL(); - } -} -/* }}} */ - - -/* {{{ proto void restore_exception_handler(void) - Restores the previously defined exception handler function */ -ZEND_FUNCTION(restore_exception_handler) -{ - if (EG(user_exception_handler)) { - zval_ptr_dtor(&EG(user_exception_handler)); - } - if (zend_ptr_stack_num_elements(&EG(user_exception_handlers))==0) { - EG(user_exception_handler) = NULL; - } else { - EG(user_exception_handler) = zend_ptr_stack_pop(&EG(user_exception_handlers)); - } - RETURN_TRUE; -} -/* }}} */ - - -static int copy_class_name(zend_class_entry **pce, int num_args, va_list args, zend_hash_key *hash_key) -{ - zval *array = va_arg(args, zval *); - zend_class_entry *ce = *pce; - - if (hash_key->nKeyLength==0 || hash_key->arKey[0]!=0) { - add_next_index_stringl(array, ce->name, ce->name_length, 1); - } - return 0; -} - - -/* {{{ proto array get_declared_classes(void) - Returns an array of all declared classes. */ -ZEND_FUNCTION(get_declared_classes) -{ - if (ZEND_NUM_ARGS() != 0) { - ZEND_WRONG_PARAM_COUNT(); - } - - array_init(return_value); - zend_hash_apply_with_arguments(EG(class_table), (apply_func_args_t) copy_class_name, 1, return_value); -} -/* }}} */ - - -static int copy_function_name(zend_function *func, int num_args, va_list args, zend_hash_key *hash_key) -{ - zval *internal_ar = va_arg(args, zval *), - *user_ar = va_arg(args, zval *); - - if (hash_key->nKeyLength == 0 || hash_key->arKey[0] == 0) { - return 0; - } - - if (func->type == ZEND_INTERNAL_FUNCTION) { - add_next_index_stringl(internal_ar, hash_key->arKey, hash_key->nKeyLength-1, 1); - } else if (func->type == ZEND_USER_FUNCTION) { - add_next_index_stringl(user_ar, hash_key->arKey, hash_key->nKeyLength-1, 1); - } - - return 0; -} - - -/* {{{ proto array get_defined_functions(void) - Returns an array of all defined functions */ -ZEND_FUNCTION(get_defined_functions) -{ - zval *internal; - zval *user; - - if (ZEND_NUM_ARGS() != 0) { - ZEND_WRONG_PARAM_COUNT(); - } - - MAKE_STD_ZVAL(internal); - MAKE_STD_ZVAL(user); - - array_init(internal); - array_init(user); - array_init(return_value); - - zend_hash_apply_with_arguments(EG(function_table), (apply_func_args_t) copy_function_name, 2, internal, user); - - if (zend_hash_add(return_value->value.ht, "internal", sizeof("internal"), (void **)&internal, sizeof(zval *), NULL) == FAILURE) { - zend_error(E_WARNING, "Cannot add internal functions to return value from get_defined_functions()"); - RETURN_FALSE; - } - - if (zend_hash_add(return_value->value.ht, "user", sizeof("user"), (void **)&user, sizeof(zval *), NULL) == FAILURE) { - zend_error(E_WARNING, "Cannot add user functions to return value from get_defined_functions()"); - RETURN_FALSE; - } -} -/* }}} */ - - -/* {{{ proto array get_defined_vars(void) - Returns an associative array of names and values of all currently defined variable names (variables in the current scope) */ -ZEND_FUNCTION(get_defined_vars) -{ - zval *tmp; - - array_init(return_value); - - zend_hash_copy(return_value->value.ht, EG(active_symbol_table), - (copy_ctor_func_t)zval_add_ref, &tmp, sizeof(zval *)); -} -/* }}} */ - - -#define LAMBDA_TEMP_FUNCNAME "__lambda_func" -/* {{{ proto string create_function(string args, string code) - Creates an anonymous function, and returns its name (funny, eh?) */ -ZEND_FUNCTION(create_function) -{ - char *eval_code, *function_name; - int eval_code_length, function_name_length; - zval **z_function_args, **z_function_code; - int retval; - char *eval_name; - - if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &z_function_args, &z_function_code)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(z_function_args); - convert_to_string_ex(z_function_code); - - eval_code_length = sizeof("function " LAMBDA_TEMP_FUNCNAME) - +Z_STRLEN_PP(z_function_args) - +2 /* for the args parentheses */ - +2 /* for the curly braces */ - +Z_STRLEN_PP(z_function_code); - - eval_code = (char *) emalloc(eval_code_length); - sprintf(eval_code, "function " LAMBDA_TEMP_FUNCNAME "(%s){%s}", Z_STRVAL_PP(z_function_args), Z_STRVAL_PP(z_function_code)); - - eval_name = zend_make_compiled_string_description("runtime-created function" TSRMLS_CC); - retval = zend_eval_string(eval_code, NULL, eval_name TSRMLS_CC); - efree(eval_code); - efree(eval_name); - - if (retval==SUCCESS) { - zend_function *func; - - if (zend_hash_find(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME), (void **) &func)==FAILURE) { - zend_error(E_ERROR, "Unexpected inconsistency in create_function()"); - RETURN_FALSE; - } - function_add_ref(func); - - function_name = (char *) emalloc(sizeof("0lambda_")+MAX_LENGTH_OF_LONG); - - do { - sprintf(function_name, "%clambda_%d", 0, ++EG(lambda_count)); - function_name_length = strlen(function_name+1)+1; - } while (zend_hash_add(EG(function_table), function_name, function_name_length+1, func, sizeof(zend_function), NULL)==FAILURE); - zend_hash_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)); - RETURN_STRINGL(function_name, function_name_length, 0); - } else { - RETURN_FALSE; - } -} -/* }}} */ - - -#if ZEND_DEBUG -ZEND_FUNCTION(zend_test_func) -{ - zval *arg1, *arg2; - - zend_get_parameters(ht, 2, &arg1, &arg2); -} - - -#ifdef ZTS -ZEND_FUNCTION(zend_thread_id) -{ - RETURN_LONG(tsrm_thread_id()); -} -#endif -#endif - -/* {{{ proto string get_resource_type(resource res) - Get the resource type name for a given resource */ -ZEND_FUNCTION(get_resource_type) -{ - char *resource_type; - zval **z_resource_type; - - if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &z_resource_type)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - if (Z_TYPE_PP(z_resource_type) != IS_RESOURCE) { - zend_error(E_WARNING, "Supplied argument is not a valid resource handle"); - RETURN_FALSE; - } - - resource_type = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(z_resource_type) TSRMLS_CC); - if (resource_type) { - RETURN_STRING(resource_type, 1); - } else { - RETURN_STRING("Unknown", 1); - } -} -/* }}} */ - - -static int add_extension_info(zend_module_entry *module, void *arg TSRMLS_DC) -{ - zval *name_array = (zval *)arg; - add_next_index_string(name_array, module->name, 1); - return 0; -} - -static int add_constant_info(zend_constant *constant, void *arg TSRMLS_DC) -{ - zval *name_array = (zval *)arg; - zval *const_val; - - MAKE_STD_ZVAL(const_val); - *const_val = constant->value; - zval_copy_ctor(const_val); - INIT_PZVAL(const_val); - add_assoc_zval_ex(name_array, constant->name, constant->name_len, const_val); - return 0; -} - - -/* {{{ proto array get_loaded_extensions(void) - Return an array containing names of loaded extensions */ -ZEND_FUNCTION(get_loaded_extensions) -{ - if (ZEND_NUM_ARGS() != 0) { - ZEND_WRONG_PARAM_COUNT(); - } - - array_init(return_value); - zend_hash_apply_with_argument(&module_registry, (apply_func_arg_t) add_extension_info, return_value TSRMLS_CC); -} -/* }}} */ - - -/* {{{ proto array get_defined_constants(void) - Return an array containing the names and values of all defined constants */ -ZEND_FUNCTION(get_defined_constants) -{ - int argc = ZEND_NUM_ARGS(); - - if (argc != 0 && argc != 1) { - ZEND_WRONG_PARAM_COUNT(); - } - - array_init(return_value); - - if (argc) { - HashPosition pos; - zend_constant *val; - int prev_module_number = -1; - char **module_names; - zval *module_constants = NULL; - zend_module_entry *module; - int i = 1; - - module_names = emalloc((zend_hash_num_elements(&module_registry) + 1) * sizeof(char *)); - zend_hash_internal_pointer_reset_ex(&module_registry, &pos); - while (zend_hash_get_current_data_ex(EG(zend_constants), (void **) &module, &pos) != FAILURE) { - module_names[i++] = module->name; - zend_hash_move_forward_ex(&module_registry, &pos); - } - - zend_hash_internal_pointer_reset_ex(EG(zend_constants), &pos); - - while (zend_hash_get_current_data_ex(EG(zend_constants), (void **) &val, &pos) != FAILURE) { - zval *const_val; - - if (val->module_number != prev_module_number) { - if (prev_module_number != -1) { - if (prev_module_number == 0) { - add_assoc_zval(return_value, "internal", module_constants); - } else if (prev_module_number <= i) { - add_assoc_zval(return_value, module_names[prev_module_number], module_constants); - } else { - add_assoc_zval(return_value, "user", module_constants); - } - } - - MAKE_STD_ZVAL(module_constants); - array_init(module_constants); - - prev_module_number = val->module_number; - } - - MAKE_STD_ZVAL(const_val); - *const_val = val->value; - zval_copy_ctor(const_val); - INIT_PZVAL(const_val); - - add_assoc_zval_ex(module_constants, val->name, val->name_len, const_val); - - zend_hash_move_forward_ex(EG(zend_constants), &pos); - } - if (module_constants) { - if (prev_module_number == 0) { - add_assoc_zval(return_value, "internal", module_constants); - } else if (prev_module_number <= i) { - add_assoc_zval(return_value, module_names[prev_module_number], module_constants); - } else { - add_assoc_zval(return_value, "user", module_constants); - } - } - efree(module_names); - } else { - zend_hash_apply_with_argument(EG(zend_constants), (apply_func_arg_t) add_constant_info, return_value TSRMLS_CC); - } -} -/* }}} */ - - -static zval *debug_backtrace_get_args(void ***curpos TSRMLS_DC) { - void **p = *curpos - 2; - zval *arg_array, **arg; - int arg_count = (ulong) *p; - - *curpos -= (arg_count+2); - - MAKE_STD_ZVAL(arg_array); - array_init(arg_array); - p -= arg_count; - - while (--arg_count >= 0) { - arg = (zval **) p++; - SEPARATE_ZVAL_TO_MAKE_IS_REF(arg); - (*arg)->refcount++; - add_next_index_zval(arg_array, *arg); - } - return arg_array; -} - -void debug_print_backtrace_args(zval *arg_array TSRMLS_DC) -{ - zval **tmp; - HashPosition iterator; - int i = 0; - - zend_hash_internal_pointer_reset_ex(arg_array->value.ht, &iterator); - while (zend_hash_get_current_data_ex(arg_array->value.ht, (void **) &tmp, &iterator) == SUCCESS) { - if (i++) { - ZEND_PUTS(", "); - } - zend_print_flat_zval_r(*tmp TSRMLS_CC); - zend_hash_move_forward_ex(arg_array->value.ht, &iterator); - } -} - -/* {{{ proto void debug_print_backtrace(void) */ -ZEND_FUNCTION(debug_print_backtrace) -{ - zend_execute_data *ptr; - int lineno; - char *function_name; - char *filename; - char *class_name = NULL; - char *call_type; - char *include_filename = NULL; - zval *arg_array = NULL; - void **cur_arg_pos = EG(argument_stack).top_element; - void **args = cur_arg_pos; - int arg_stack_consistent = 0; - int frames_on_stack = 0; - int indent = 0; - - if (ZEND_NUM_ARGS()) { - ZEND_WRONG_PARAM_COUNT(); - } - - while (--args >= EG(argument_stack).elements) { - if (*args--) { - break; - } - args -= *(ulong*)args; - frames_on_stack++; - - if (args == EG(argument_stack).elements) { - arg_stack_consistent = 1; - break; - } - } - - ptr = EG(current_execute_data); - - /* skip debug_backtrace() */ - ptr = ptr->prev_execute_data; - cur_arg_pos -= 2; - frames_on_stack--; - - array_init(return_value); - - while (ptr) { - if (ptr->op_array) { - filename = ptr->op_array->filename; - lineno = ptr->opline->lineno; - } else { - filename = NULL; - } - - function_name = ptr->function_state.function->common.function_name; - - if (function_name) { - if (ptr->object) { - class_name = Z_OBJCE(*ptr->object)->name; - call_type = "->"; - } else if (ptr->function_state.function->common.scope) { - class_name = ptr->function_state.function->common.scope->name; - call_type = "::"; - } else { - class_name = NULL; - call_type = NULL; - } - if ((! ptr->opline) || ((ptr->opline->opcode == ZEND_DO_FCALL_BY_NAME) || (ptr->opline->opcode == ZEND_DO_FCALL))) { - if (arg_stack_consistent && (frames_on_stack > 0)) { - arg_array = debug_backtrace_get_args(&cur_arg_pos TSRMLS_CC); - frames_on_stack--; - } - } - } else { - /* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */ - zend_bool build_filename_arg = 1; - - switch (ptr->opline->op2.u.constant.value.lval) { - case ZEND_EVAL: - function_name = "eval"; - build_filename_arg = 0; - break; - case ZEND_INCLUDE: - function_name = "include"; - break; - case ZEND_REQUIRE: - function_name = "require"; - break; - case ZEND_INCLUDE_ONCE: - function_name = "include_once"; - break; - case ZEND_REQUIRE_ONCE: - function_name = "require_once"; - break; - default: - /* this can actually happen if you use debug_backtrace() in your error_handler and - * you're in the top-scope */ - function_name = "unknown"; - build_filename_arg = 0; - break; - } - - if (build_filename_arg && include_filename) { - MAKE_STD_ZVAL(arg_array); - array_init(arg_array); - add_next_index_string(arg_array, include_filename, 1); - } - } - zend_printf("#%-2d ", indent); - if (class_name) { - ZEND_PUTS(class_name); - ZEND_PUTS(call_type); - } - zend_printf("%s(", function_name?function_name:"main"); - if (arg_array) { - debug_print_backtrace_args(arg_array TSRMLS_CC); - zval_ptr_dtor(&arg_array); - } - zend_printf(") called at [%s:%d]\n", filename, lineno); - include_filename = filename; - ptr = ptr->prev_execute_data; - ++indent; - } -} - -/* }}} */ -/* {{{ proto void debug_backtrace(void) - Prints out a backtrace */ -ZEND_FUNCTION(debug_backtrace) -{ - zend_execute_data *ptr; - int lineno; - char *function_name; - char *filename; - char *class_name; - char *call_type; - char *include_filename = NULL; - zval *stack_frame; - void **cur_arg_pos = EG(argument_stack).top_element; - void **args = cur_arg_pos; - int arg_stack_consistent = 0; - int frames_on_stack = 0; - - if (ZEND_NUM_ARGS()) { - ZEND_WRONG_PARAM_COUNT(); - } - - while (--args >= EG(argument_stack).elements) { - if (*args--) { - break; - } - args -= *(ulong*)args; - frames_on_stack++; - - if (args == EG(argument_stack).elements) { - arg_stack_consistent = 1; - break; - } - } - - ptr = EG(current_execute_data); - - /* skip debug_backtrace() */ - ptr = ptr->prev_execute_data; - cur_arg_pos -= 2; - frames_on_stack--; - - array_init(return_value); - - while (ptr) { - MAKE_STD_ZVAL(stack_frame); - array_init(stack_frame); - - if (ptr->op_array) { - filename = ptr->op_array->filename; - lineno = ptr->opline->lineno; - add_assoc_string_ex(stack_frame, "file", sizeof("file"), filename, 1); - add_assoc_long_ex(stack_frame, "line", sizeof("line"), lineno); - - /* try to fetch args only if an FCALL was just made - elsewise we're in the middle of a function - * and debug_baktrace() might have been called by the error_handler. in this case we don't - * want to pop anything of the argument-stack */ - } else { - filename = NULL; - } - - function_name = ptr->function_state.function->common.function_name; - - if (function_name) { - add_assoc_string_ex(stack_frame, "function", sizeof("function"), function_name, 1); - - if (ptr->object) { - class_name = Z_OBJCE(*ptr->object)->name; - call_type = "->"; - } else if (ptr->function_state.function->common.scope) { - class_name = ptr->function_state.function->common.scope->name; - call_type = "::"; - } else { - class_name = NULL; - call_type = NULL; - } - - if (class_name) { - add_assoc_string_ex(stack_frame, "class", sizeof("class"), class_name, 1); - add_assoc_string_ex(stack_frame, "type", sizeof("type"), call_type, 1); - } - - if ((! ptr->opline) || ((ptr->opline->opcode == ZEND_DO_FCALL_BY_NAME) || (ptr->opline->opcode == ZEND_DO_FCALL))) { - if (arg_stack_consistent && (frames_on_stack > 0)) { - add_assoc_zval_ex(stack_frame, "args", sizeof("args"), debug_backtrace_get_args(&cur_arg_pos TSRMLS_CC)); - frames_on_stack--; - } - } - } else { - /* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */ - zend_bool build_filename_arg = 1; - - switch (ptr->opline->op2.u.constant.value.lval) { - case ZEND_EVAL: - function_name = "eval"; - build_filename_arg = 0; - break; - case ZEND_INCLUDE: - function_name = "include"; - break; - case ZEND_REQUIRE: - function_name = "require"; - break; - case ZEND_INCLUDE_ONCE: - function_name = "include_once"; - break; - case ZEND_REQUIRE_ONCE: - function_name = "require_once"; - break; - default: - /* this can actually happen if you use debug_backtrace() in your error_handler and - * you're in the top-scope */ - function_name = "unknown"; - build_filename_arg = 0; - break; - } - - if (build_filename_arg && include_filename) { - zval *arg_array; - - MAKE_STD_ZVAL(arg_array); - array_init(arg_array); - - /* include_filename always points to the last filename of the last last called-fuction. - if we have called include in the frame above - this is the file we have included. - */ - - add_next_index_string(arg_array, include_filename, 1); - add_assoc_zval_ex(stack_frame, "args", sizeof("args"), arg_array); - } - - add_assoc_string_ex(stack_frame, "function", sizeof("function"), function_name, 1); - } - - add_next_index_zval(return_value, stack_frame); - - include_filename = filename; - - ptr = ptr->prev_execute_data; - } -} -/* }}} */ - - -/* {{{ proto bool extension_loaded(string extension_name) - Returns true if the named extension is loaded */ -ZEND_FUNCTION(extension_loaded) -{ - zval **extension_name; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &extension_name)) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(extension_name); - if (zend_hash_exists(&module_registry, Z_STRVAL_PP(extension_name), Z_STRLEN_PP(extension_name)+1)) { - RETURN_TRUE; - } else { - RETURN_FALSE; - } -} -/* }}} */ - - -/* {{{ proto array get_extension_funcs(string extension_name) - Returns an array with the names of functions belonging to the named extension */ -ZEND_FUNCTION(get_extension_funcs) -{ - zval **extension_name; - zend_module_entry *module; - zend_function_entry *func; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &extension_name)) { - ZEND_WRONG_PARAM_COUNT(); - } - - convert_to_string_ex(extension_name); - if (strncasecmp(Z_STRVAL_PP(extension_name), "zend", sizeof("zend"))) { - if (zend_hash_find(&module_registry, Z_STRVAL_PP(extension_name), - Z_STRLEN_PP(extension_name)+1, (void**)&module) == FAILURE) { - RETURN_FALSE; - } - - if (!(func = module->functions)) { - RETURN_FALSE; - } - } else { - func = builtin_functions; - } - - array_init(return_value); - - while (func->fname) { - add_next_index_string(return_value, func->fname, 1); - func++; - } -} -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |