php-src/Zend/zend.c
Rasmus Lerdorf 10afe5d96b Make the sigsetjmp change more robust. On systems that don't have
sigsetjmp use setjmp.  Windows is of course weird in that it seems to
have sigsetjmp but not sigjmp_buf (??) so force it to use setjmp in
config.w32.h.in
2008-03-18 21:14:28 +00:00

1260 lines
37 KiB
C

/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2008 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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_extensions.h"
#include "zend_modules.h"
#include "zend_constants.h"
#include "zend_list.h"
#include "zend_API.h"
#include "zend_exceptions.h"
#include "zend_builtin_functions.h"
#include "zend_ini.h"
#ifdef ZTS
# define GLOBAL_FUNCTION_TABLE global_function_table
# define GLOBAL_CLASS_TABLE global_class_table
# define GLOBAL_CONSTANTS_TABLE global_constants_table
# define GLOBAL_AUTO_GLOBALS_TABLE global_auto_globals_table
#else
# define GLOBAL_FUNCTION_TABLE CG(function_table)
# define GLOBAL_CLASS_TABLE CG(class_table)
# define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals)
# define GLOBAL_CONSTANTS_TABLE EG(zend_constants)
#endif
#if defined(ZEND_WIN32) && ZEND_DEBUG
BOOL WINAPI IsDebuggerPresent(VOID);
#endif
/* true multithread-shared globals */
ZEND_API zend_class_entry *zend_standard_class_def = NULL;
ZEND_API int (*zend_printf)(const char *format, ...);
ZEND_API zend_write_func_t zend_write;
ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path);
ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
ZEND_API void (*zend_block_interruptions)(void);
ZEND_API void (*zend_unblock_interruptions)(void);
ZEND_API void (*zend_ticks_function)(int ticks);
ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args);
int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC);
ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
void (*zend_on_timeout)(int seconds TSRMLS_DC);
static void (*zend_message_dispatcher_p)(long message, void *data);
static int (*zend_get_configuration_directive_p)(char *name, uint name_length, zval *contents);
static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
{
if (!new_value) {
EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
} else {
EG(error_reporting) = atoi(new_value);
}
return SUCCESS;
}
/* }}} */
static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
{
OnUpdateBool(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
if (GC_G(gc_enabled)) {
gc_init(TSRMLS_C);
}
return SUCCESS;
}
/* }}} */
ZEND_INI_BEGIN()
ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting)
STD_ZEND_INI_BOOLEAN("zend.enable_gc", "1", ZEND_INI_ALL, OnUpdateGCEnabled, gc_enabled, zend_gc_globals, gc_globals)
ZEND_INI_END()
#ifdef ZTS
ZEND_API int compiler_globals_id;
ZEND_API int executor_globals_id;
static HashTable *global_function_table = NULL;
static HashTable *global_class_table = NULL;
static HashTable *global_constants_table = NULL;
static HashTable *global_auto_globals_table = NULL;
static HashTable *global_persistent_list = NULL;
#endif
ZEND_API zend_utility_values zend_uv;
ZEND_API zval zval_used_for_init; /* True global variable */
/* version information */
static char *zend_version_info;
static uint zend_version_info_length;
#define ZEND_CORE_VERSION_INFO "Zend Engine v" ZEND_VERSION ", Copyright (c) 1998-2008 Zend Technologies\n"
#define PRINT_ZVAL_INDENT 4
static void print_hash(HashTable *ht, int indent, zend_bool is_object TSRMLS_DC) /* {{{ */
{
zval **tmp;
char *string_key;
HashPosition iterator;
ulong num_key;
uint str_len;
int i;
for (i = 0; i < indent; i++) {
ZEND_PUTS(" ");
}
ZEND_PUTS("(\n");
indent += PRINT_ZVAL_INDENT;
zend_hash_internal_pointer_reset_ex(ht, &iterator);
while (zend_hash_get_current_data_ex(ht, (void **) &tmp, &iterator) == SUCCESS) {
for (i = 0; i < indent; i++) {
ZEND_PUTS(" ");
}
ZEND_PUTS("[");
switch (zend_hash_get_current_key_ex(ht, &string_key, &str_len, &num_key, 0, &iterator)) {
case HASH_KEY_IS_STRING:
if (is_object) {
char *prop_name, *class_name;
int mangled = zend_unmangle_property_name(string_key, str_len - 1, &class_name, &prop_name);
if (class_name && mangled == SUCCESS) {
if (class_name[0]=='*') {
zend_printf("%s:protected", prop_name);
} else {
zend_printf("%s:%s:private", prop_name, class_name);
}
} else {
zend_printf("%s", prop_name);
}
} else {
zend_printf("%s", string_key);
}
break;
case HASH_KEY_IS_LONG:
zend_printf("%ld", num_key);
break;
}
ZEND_PUTS("] => ");
zend_print_zval_r(*tmp, indent+PRINT_ZVAL_INDENT TSRMLS_CC);
ZEND_PUTS("\n");
zend_hash_move_forward_ex(ht, &iterator);
}
indent -= PRINT_ZVAL_INDENT;
for (i = 0; i < indent; i++) {
ZEND_PUTS(" ");
}
ZEND_PUTS(")\n");
}
/* }}} */
static void print_flat_hash(HashTable *ht TSRMLS_DC) /* {{{ */
{
zval **tmp;
char *string_key;
HashPosition iterator;
ulong num_key;
uint str_len;
int i = 0;
zend_hash_internal_pointer_reset_ex(ht, &iterator);
while (zend_hash_get_current_data_ex(ht, (void **) &tmp, &iterator) == SUCCESS) {
if (i++ > 0) {
ZEND_PUTS(",");
}
ZEND_PUTS("[");
switch (zend_hash_get_current_key_ex(ht, &string_key, &str_len, &num_key, 0, &iterator)) {
case HASH_KEY_IS_STRING:
ZEND_PUTS(string_key);
break;
case HASH_KEY_IS_LONG:
zend_printf("%ld", num_key);
break;
}
ZEND_PUTS("] => ");
zend_print_flat_zval_r(*tmp TSRMLS_CC);
zend_hash_move_forward_ex(ht, &iterator);
}
}
/* }}} */
ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy) /* {{{ */
{
if (Z_TYPE_P(expr)==IS_STRING) {
*use_copy = 0;
return;
}
switch (Z_TYPE_P(expr)) {
case IS_NULL:
Z_STRLEN_P(expr_copy) = 0;
Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
break;
case IS_BOOL:
if (Z_LVAL_P(expr)) {
Z_STRLEN_P(expr_copy) = 1;
Z_STRVAL_P(expr_copy) = estrndup("1", 1);
} else {
Z_STRLEN_P(expr_copy) = 0;
Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
}
break;
case IS_RESOURCE:
Z_STRVAL_P(expr_copy) = (char *) emalloc(sizeof("Resource id #") - 1 + MAX_LENGTH_OF_LONG);
Z_STRLEN_P(expr_copy) = sprintf(Z_STRVAL_P(expr_copy), "Resource id #%ld", Z_LVAL_P(expr));
break;
case IS_ARRAY:
Z_STRLEN_P(expr_copy) = sizeof("Array") - 1;
Z_STRVAL_P(expr_copy) = estrndup("Array", Z_STRLEN_P(expr_copy));
break;
case IS_OBJECT:
{
TSRMLS_FETCH();
if (Z_OBJ_HANDLER_P(expr, cast_object) && Z_OBJ_HANDLER_P(expr, cast_object)(expr, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) {
break;
}
/* Standard PHP objects */
if (Z_OBJ_HT_P(expr) == &std_object_handlers || !Z_OBJ_HANDLER_P(expr, cast_object)) {
if (zend_std_cast_object_tostring(expr, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) {
break;
}
}
if (!Z_OBJ_HANDLER_P(expr, cast_object) && Z_OBJ_HANDLER_P(expr, get)) {
zval *z = Z_OBJ_HANDLER_P(expr, get)(expr TSRMLS_CC);
Z_ADDREF_P(z);
if (Z_TYPE_P(z) != IS_OBJECT) {
zend_make_printable_zval(z, expr_copy, use_copy);
if (*use_copy) {
zval_ptr_dtor(&z);
} else {
ZVAL_ZVAL(expr_copy, z, 0, 1);
*use_copy = 1;
}
return;
}
zval_ptr_dtor(&z);
}
zend_error(EG(exception) ? E_ERROR : E_RECOVERABLE_ERROR, "Object of class %s could not be converted to string", Z_OBJCE_P(expr)->name);
Z_STRLEN_P(expr_copy) = 0;
Z_STRVAL_P(expr_copy) = STR_EMPTY_ALLOC();
}
break;
case IS_DOUBLE:
*expr_copy = *expr;
zval_copy_ctor(expr_copy);
zend_locale_sprintf_double(expr_copy ZEND_FILE_LINE_CC);
break;
default:
*expr_copy = *expr;
zval_copy_ctor(expr_copy);
convert_to_string(expr_copy);
break;
}
Z_TYPE_P(expr_copy) = IS_STRING;
*use_copy = 1;
}
/* }}} */
ZEND_API int zend_print_zval(zval *expr, int indent) /* {{{ */
{
return zend_print_zval_ex(zend_write, expr, indent);
}
/* }}} */
ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent) /* {{{ */
{
zval expr_copy;
int use_copy;
zend_make_printable_zval(expr, &expr_copy, &use_copy);
if (use_copy) {
expr = &expr_copy;
}
if (Z_STRLEN_P(expr) == 0) { /* optimize away empty strings */
if (use_copy) {
zval_dtor(expr);
}
return 0;
}
write_func(Z_STRVAL_P(expr), Z_STRLEN_P(expr));
if (use_copy) {
zval_dtor(expr);
}
return Z_STRLEN_P(expr);
}
/* }}} */
ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC) /* {{{ */
{
switch (Z_TYPE_P(expr)) {
case IS_ARRAY:
ZEND_PUTS("Array (");
if (++Z_ARRVAL_P(expr)->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
Z_ARRVAL_P(expr)->nApplyCount--;
return;
}
print_flat_hash(Z_ARRVAL_P(expr) TSRMLS_CC);
ZEND_PUTS(")");
Z_ARRVAL_P(expr)->nApplyCount--;
break;
case IS_OBJECT:
{
HashTable *properties = NULL;
char *class_name = NULL;
zend_uint clen;
if (Z_OBJ_HANDLER_P(expr, get_class_name)) {
Z_OBJ_HANDLER_P(expr, get_class_name)(expr, &class_name, &clen, 0 TSRMLS_CC);
}
if (class_name) {
zend_printf("%s Object (", class_name);
} else {
zend_printf("%s Object (", "Unknown Class");
}
if (class_name) {
efree(class_name);
}
if (Z_OBJ_HANDLER_P(expr, get_properties)) {
properties = Z_OBJPROP_P(expr);
}
if (properties) {
if (++properties->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
properties->nApplyCount--;
return;
}
print_flat_hash(properties TSRMLS_CC);
properties->nApplyCount--;
}
ZEND_PUTS(")");
break;
}
default:
zend_print_variable(expr);
break;
}
}
/* }}} */
ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC) /* {{{ */
{
zend_print_zval_r_ex(zend_write, expr, indent TSRMLS_CC);
}
/* }}} */
ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC) /* {{{ */
{
switch (Z_TYPE_P(expr)) {
case IS_ARRAY:
ZEND_PUTS("Array\n");
if (++Z_ARRVAL_P(expr)->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
Z_ARRVAL_P(expr)->nApplyCount--;
return;
}
print_hash(Z_ARRVAL_P(expr), indent, 0 TSRMLS_CC);
Z_ARRVAL_P(expr)->nApplyCount--;
break;
case IS_OBJECT:
{
HashTable *properties;
char *class_name = NULL;
zend_uint clen;
int is_temp;
if (Z_OBJ_HANDLER_P(expr, get_class_name)) {
Z_OBJ_HANDLER_P(expr, get_class_name)(expr, &class_name, &clen, 0 TSRMLS_CC);
}
if (class_name) {
zend_printf("%s Object\n", class_name);
} else {
zend_printf("%s Object\n", "Unknown class");
}
if (class_name) {
efree(class_name);
}
if ((properties = Z_OBJDEBUG_P(expr, is_temp)) == NULL) {
break;
}
if (++properties->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
properties->nApplyCount--;
return;
}
print_hash(properties, indent, 1 TSRMLS_CC);
properties->nApplyCount--;
if (is_temp) {
zend_hash_destroy(properties);
efree(properties);
}
break;
}
default:
zend_print_variable(expr);
break;
}
}
/* }}} */
static FILE *zend_fopen_wrapper(const char *filename, char **opened_path) /* {{{ */
{
if (opened_path) {
*opened_path = estrdup(filename);
}
return fopen(filename, "rb");
}
/* }}} */
static void register_standard_class(TSRMLS_D) /* {{{ */
{
zend_standard_class_def = calloc(1, sizeof(zend_class_entry));
zend_standard_class_def->type = ZEND_INTERNAL_CLASS;
zend_standard_class_def->name_length = sizeof("stdClass") - 1;
zend_standard_class_def->name = zend_strndup("stdClass", zend_standard_class_def->name_length);
zend_initialize_class_data(zend_standard_class_def, 1 TSRMLS_CC);
zend_hash_add(CG(class_table), "stdclass", sizeof("stdclass"), &zend_standard_class_def, sizeof(zend_class_entry *), NULL);
}
/* }}} */
#ifdef ZTS
static zend_bool asp_tags_default = 0;
static zend_bool short_tags_default = 1;
static zend_bool ct_pass_ref_default = 1;
static zend_uint compiler_options_default = ZEND_COMPILE_DEFAULT;
#else
# define asp_tags_default 0
# define short_tags_default 1
# define ct_pass_ref_default 1
# define compiler_options_default ZEND_COMPILE_DEFAULT
#endif
static void zend_set_default_compile_time_values(TSRMLS_D) /* {{{ */
{
/* default compile-time values */
CG(asp_tags) = asp_tags_default;
CG(short_tags) = short_tags_default;
CG(allow_call_time_pass_reference) = ct_pass_ref_default;
CG(compiler_options) = compiler_options_default;
}
/* }}} */
#ifdef ZTS
static void compiler_globals_ctor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */
{
zend_function tmp_func;
zend_class_entry *tmp_class;
compiler_globals->compiled_filename = NULL;
compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(compiler_globals->function_table, 100, NULL, ZEND_FUNCTION_DTOR, 1, 0);
zend_hash_copy(compiler_globals->function_table, global_function_table, NULL, &tmp_func, sizeof(zend_function));
compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(compiler_globals->class_table, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
zend_hash_copy(compiler_globals->class_table, global_class_table, (copy_ctor_func_t) zend_class_add_ref, &tmp_class, sizeof(zend_class_entry *));
zend_set_default_compile_time_values(TSRMLS_C);
CG(interactive) = 0;
compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, NULL, 1, 0);
zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, NULL, NULL, sizeof(zend_auto_global) /* empty element */);
compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table);
if (compiler_globals->last_static_member) {
compiler_globals->static_members = (HashTable**)calloc(compiler_globals->last_static_member, sizeof(HashTable*));
} else {
compiler_globals->static_members = NULL;
}
}
/* }}} */
static void compiler_globals_dtor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */
{
if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
zend_hash_destroy(compiler_globals->function_table);
free(compiler_globals->function_table);
}
if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
zend_hash_destroy(compiler_globals->class_table);
free(compiler_globals->class_table);
}
if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
zend_hash_destroy(compiler_globals->auto_globals);
free(compiler_globals->auto_globals);
}
if (compiler_globals->static_members) {
free(compiler_globals->static_members);
}
compiler_globals->last_static_member = 0;
}
/* }}} */
static void executor_globals_ctor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */
{
zend_startup_constants(TSRMLS_C);
zend_copy_constants(EG(zend_constants), GLOBAL_CONSTANTS_TABLE);
zend_init_rsrc_plist(TSRMLS_C);
EG(lambda_count) = 0;
EG(user_error_handler) = NULL;
EG(user_exception_handler) = NULL;
EG(in_execution) = 0;
EG(in_autoload) = NULL;
EG(current_execute_data) = NULL;
EG(current_module) = NULL;
EG(exit_status) = 0;
EG(active) = 0;
}
/* }}} */
static void executor_globals_dtor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */
{
zend_ini_shutdown(TSRMLS_C);
if (&executor_globals->persistent_list != global_persistent_list) {
zend_destroy_rsrc_list(&executor_globals->persistent_list TSRMLS_CC);
}
if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
zend_hash_destroy(executor_globals->zend_constants);
free(executor_globals->zend_constants);
}
}
/* }}} */
static void zend_new_thread_end_handler(THREAD_T thread_id TSRMLS_DC) /* {{{ */
{
if (zend_copy_ini_directives(TSRMLS_C) == SUCCESS) {
zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP TSRMLS_CC);
}
}
/* }}} */
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD and DragonFly floating point precision fix */
#include <floatingpoint.h>
#endif
static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */
{
memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
}
/* }}} */
static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */
{
memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
}
/* }}} */
void zend_init_opcodes_handlers(void);
int zend_startup(zend_utility_functions *utility_functions, char **extensions, int start_builtin_functions) /* {{{ */
{
#ifdef ZTS
zend_compiler_globals *compiler_globals;
zend_executor_globals *executor_globals;
extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
extern ZEND_API ts_rsrc_id language_scanner_globals_id;
#else
extern zend_ini_scanner_globals ini_scanner_globals;
extern zend_php_scanner_globals language_scanner_globals;
#endif
TSRMLS_FETCH();
start_memory_manager(TSRMLS_C);
#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD and DragonFly floating point precision fix */
fpsetmask(0);
#endif
zend_startup_strtod();
zend_startup_extensions_mechanism();
/* Set up utility functions and values */
zend_error_cb = utility_functions->error_function;
zend_printf = utility_functions->printf_function;
zend_write = (zend_write_func_t) utility_functions->write_function;
zend_fopen = utility_functions->fopen_function;
if (!zend_fopen) {
zend_fopen = zend_fopen_wrapper;
}
zend_stream_open_function = utility_functions->stream_open_function;
zend_message_dispatcher_p = utility_functions->message_handler;
zend_block_interruptions = utility_functions->block_interruptions;
zend_unblock_interruptions = utility_functions->unblock_interruptions;
zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
zend_ticks_function = utility_functions->ticks_function;
zend_on_timeout = utility_functions->on_timeout;
zend_vspprintf = utility_functions->vspprintf_function;
zend_getenv = utility_functions->getenv_function;
zend_resolve_path = utility_functions->resolve_path_function;
zend_compile_file = compile_file;
zend_compile_string = compile_string;
zend_execute = execute;
zend_execute_internal = NULL;
zend_throw_exception_hook = NULL;
zend_init_opcodes_handlers();
/* set up version */
zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 100, NULL, ZEND_FUNCTION_DTOR, 1, 0);
zend_hash_init_ex(GLOBAL_CLASS_TABLE, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, (dtor_func_t) zend_auto_global_dtor, 1, 0);
zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 20, NULL, ZEND_CONSTANT_DTOR, 1, 0);
zend_hash_init_ex(&module_registry, 50, NULL, ZEND_MODULE_DTOR, 1, 0);
zend_init_rsrc_list_dtors();
/* This zval can be used to initialize allocate zval's to an uninit'ed value */
Z_UNSET_ISREF(zval_used_for_init);
Z_SET_REFCOUNT(zval_used_for_init, 1);
Z_TYPE(zval_used_for_init) = IS_NULL;
#ifdef ZTS
ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
compiler_globals = ts_resource(compiler_globals_id);
executor_globals = ts_resource(executor_globals_id);
tsrm_ls = ts_resource_ex(0, NULL);
compiler_globals_dtor(compiler_globals TSRMLS_CC);
compiler_globals->in_compilation = 0;
compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
*compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
*compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
zend_hash_destroy(executor_globals->zend_constants);
*executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
#else
ini_scanner_globals_ctor(&ini_scanner_globals TSRMLS_CC);
php_scanner_globals_ctor(&language_scanner_globals TSRMLS_CC);
zend_set_default_compile_time_values(TSRMLS_C);
EG(user_error_handler) = NULL;
EG(user_exception_handler) = NULL;
#endif
register_standard_class(TSRMLS_C);
zend_register_standard_constants(TSRMLS_C);
zend_register_auto_global("GLOBALS", sizeof("GLOBALS") - 1, NULL TSRMLS_CC);
#ifndef ZTS
zend_init_rsrc_plist(TSRMLS_C);
#endif
if (start_builtin_functions) {
zend_startup_builtin_functions(TSRMLS_C);
}
zend_ini_startup(TSRMLS_C);
#ifdef ZTS
tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
#endif
return SUCCESS;
}
/* }}} */
void zend_register_standard_ini_entries(TSRMLS_D) /* {{{ */
{
int module_number = 0;
REGISTER_INI_ENTRIES();
}
/* }}} */
/* Unlink the global (r/o) copies of the class, function and constant tables,
* and use a fresh r/w copy for the startup thread
*/
void zend_post_startup(TSRMLS_D) /* {{{ */
{
#ifdef ZTS
zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
*GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
*GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
*GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
asp_tags_default = CG(asp_tags);
short_tags_default = CG(short_tags);
ct_pass_ref_default = CG(allow_call_time_pass_reference);
compiler_options_default = CG(compiler_options);
zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
free(compiler_globals->function_table);
free(compiler_globals->class_table);
compiler_globals_ctor(compiler_globals, tsrm_ls);
free(EG(zend_constants));
executor_globals_ctor(executor_globals, tsrm_ls);
global_persistent_list = &EG(persistent_list);
zend_copy_ini_directives(TSRMLS_C);
#endif
}
/* }}} */
void zend_shutdown(TSRMLS_D) /* {{{ */
{
#ifdef ZEND_WIN32
zend_shutdown_timeout_thread();
#endif
zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
zend_hash_graceful_reverse_destroy(&module_registry);
zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
zend_hash_destroy(GLOBAL_CLASS_TABLE);
zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
free(GLOBAL_AUTO_GLOBALS_TABLE);
zend_shutdown_extensions(TSRMLS_C);
free(zend_version_info);
free(GLOBAL_FUNCTION_TABLE);
free(GLOBAL_CLASS_TABLE);
zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
free(GLOBAL_CONSTANTS_TABLE);
zend_shutdown_strtod();
#ifdef ZTS
GLOBAL_FUNCTION_TABLE = NULL;
GLOBAL_CLASS_TABLE = NULL;
GLOBAL_AUTO_GLOBALS_TABLE = NULL;
GLOBAL_CONSTANTS_TABLE = NULL;
#endif
zend_destroy_rsrc_list_dtors();
}
/* }}} */
void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
{
zend_uv = *utility_values;
zend_uv.import_use_extension_length = strlen(zend_uv.import_use_extension);
}
/* }}} */
/* this should be compatible with the standard zenderror */
void zenderror(char *error) /* {{{ */
{
zend_error(E_PARSE, "%s", error);
}
/* }}} */
BEGIN_EXTERN_C()
ZEND_API void _zend_bailout(char *filename, uint lineno) /* {{{ */
{
TSRMLS_FETCH();
if (!EG(bailout)) {
zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
exit(-1);
}
CG(unclean_shutdown) = 1;
CG(in_compilation) = EG(in_execution) = 0;
EG(current_execute_data) = NULL;
LONGJMP(*EG(bailout), FAILURE);
}
/* }}} */
END_EXTERN_C()
void zend_append_version_info(zend_extension *extension) /* {{{ */
{
char *new_info;
uint new_info_length;
new_info_length = sizeof(" with v, by \n")
+ strlen(extension->name)
+ strlen(extension->version)
+ strlen(extension->copyright)
+ strlen(extension->author);
new_info = (char *) malloc(new_info_length + 1);
sprintf(new_info, " with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
strcat(zend_version_info, new_info);
zend_version_info_length += new_info_length;
free(new_info);
}
/* }}} */
ZEND_API char *get_zend_version(void) /* {{{ */
{
return zend_version_info;
}
/* }}} */
void zend_activate(TSRMLS_D) /* {{{ */
{
gc_reset(TSRMLS_C);
init_compiler(TSRMLS_C);
init_executor(TSRMLS_C);
startup_scanner(TSRMLS_C);
}
/* }}} */
void zend_activate_modules(TSRMLS_D) /* {{{ */
{
zend_hash_apply(&module_registry, (apply_func_t) module_registry_request_startup TSRMLS_CC);
}
/* }}} */
void zend_deactivate_modules(TSRMLS_D) /* {{{ */
{
EG(opline_ptr) = NULL; /* we're no longer executing anything */
zend_try {
zend_hash_apply(&module_registry, (apply_func_t) module_registry_cleanup TSRMLS_CC);
} zend_end_try();
}
/* }}} */
void zend_call_destructors(TSRMLS_D) /* {{{ */
{
zend_try {
shutdown_destructors(TSRMLS_C);
} zend_end_try();
}
/* }}} */
void zend_deactivate(TSRMLS_D) /* {{{ */
{
/* we're no longer executing anything */
EG(opline_ptr) = NULL;
EG(active_symbol_table) = NULL;
zend_try {
shutdown_scanner(TSRMLS_C);
} zend_end_try();
/* shutdown_executor() takes care of its own bailout handling */
shutdown_executor(TSRMLS_C);
zend_try {
shutdown_compiler(TSRMLS_C);
} zend_end_try();
zend_destroy_rsrc_list(&EG(regular_list) TSRMLS_CC);
#ifdef ZEND_DEBUG
if (GC_G(gc_enabled) && !CG(unclean_shutdown)) {
gc_collect_cycles(TSRMLS_C);
}
#endif
#if GC_BENCH
fprintf(stderr, "GC Statistics\n");
fprintf(stderr, "-------------\n");
fprintf(stderr, "Runs: %d\n", GC_G(gc_runs));
fprintf(stderr, "Collected: %d\n", GC_G(collected));
fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
fprintf(stderr, "Root buffer peak: %d\n\n", GC_G(root_buf_peak));
fprintf(stderr, " Possible Remove from Marked\n");
fprintf(stderr, " Root Buffered buffer grey\n");
fprintf(stderr, " -------- -------- ----------- ------\n");
fprintf(stderr, "ZVAL %8d %8d %9d %8d\n", GC_G(zval_possible_root), GC_G(zval_buffered), GC_G(zval_remove_from_buffer), GC_G(zval_marked_grey));
fprintf(stderr, "ZOBJ %8d %8d %9d %8d\n", GC_G(zobj_possible_root), GC_G(zobj_buffered), GC_G(zobj_remove_from_buffer), GC_G(zobj_marked_grey));
#endif
zend_try {
zend_ini_deactivate(TSRMLS_C);
} zend_end_try();
}
/* }}} */
static int exec_done_cb(zend_module_entry *module TSRMLS_DC) /* {{{ */
{
if (module->post_deactivate_func) {
module->post_deactivate_func();
}
return 0;
}
/* }}} */
void zend_post_deactivate_modules(TSRMLS_D) /* {{{ */
{
zend_hash_apply(&module_registry, (apply_func_t) exec_done_cb TSRMLS_CC);
zend_hash_reverse_apply(&module_registry, (apply_func_t) module_registry_unload_temp TSRMLS_CC);
}
/* }}} */
BEGIN_EXTERN_C()
ZEND_API void zend_message_dispatcher(long message, void *data) /* {{{ */
{
if (zend_message_dispatcher_p) {
zend_message_dispatcher_p(message, data);
}
}
/* }}} */
END_EXTERN_C()
ZEND_API int zend_get_configuration_directive(char *name, uint name_length, zval *contents) /* {{{ */
{
if (zend_get_configuration_directive_p) {
return zend_get_configuration_directive_p(name, name_length, contents);
} else {
return FAILURE;
}
}
/* }}} */
ZEND_API void zend_error(int type, const char *format, ...) /* {{{ */
{
va_list args;
va_list usr_copy;
zval ***params;
zval *retval;
zval *z_error_type, *z_error_message, *z_error_filename, *z_error_lineno, *z_context;
char *error_filename;
uint error_lineno;
zval *orig_user_error_handler;
zend_bool in_compilation;
zend_class_entry *saved_class_entry;
TSRMLS_FETCH();
/* Obtain relevant filename and lineno */
switch (type) {
case E_CORE_ERROR:
case E_CORE_WARNING:
error_filename = NULL;
error_lineno = 0;
break;
case E_PARSE:
case E_COMPILE_ERROR:
case E_COMPILE_WARNING:
case E_ERROR:
case E_NOTICE:
case E_STRICT:
case E_DEPRECATED:
case E_WARNING:
case E_USER_ERROR:
case E_USER_WARNING:
case E_USER_NOTICE:
case E_RECOVERABLE_ERROR:
if (zend_is_compiling(TSRMLS_C)) {
error_filename = zend_get_compiled_filename(TSRMLS_C);
error_lineno = zend_get_compiled_lineno(TSRMLS_C);
} else if (zend_is_executing(TSRMLS_C)) {
error_filename = zend_get_executed_filename(TSRMLS_C);
error_lineno = zend_get_executed_lineno(TSRMLS_C);
} else {
error_filename = NULL;
error_lineno = 0;
}
break;
default:
error_filename = NULL;
error_lineno = 0;
break;
}
if (!error_filename) {
error_filename = "Unknown";
}
va_start(args, format);
/* if we don't have a user defined error handler */
if (!EG(user_error_handler)
|| !(EG(user_error_handler_error_reporting) & type)
|| EG(error_handling) != EH_NORMAL) {
zend_error_cb(type, error_filename, error_lineno, format, args);
} else switch (type) {
case E_ERROR:
case E_PARSE:
case E_CORE_ERROR:
case E_CORE_WARNING:
case E_COMPILE_ERROR:
case E_COMPILE_WARNING:
/* The error may not be safe to handle in user-space */
zend_error_cb(type, error_filename, error_lineno, format, args);
break;
default:
/* Handle the error in user space */
ALLOC_INIT_ZVAL(z_error_message);
ALLOC_INIT_ZVAL(z_error_type);
ALLOC_INIT_ZVAL(z_error_filename);
ALLOC_INIT_ZVAL(z_error_lineno);
ALLOC_INIT_ZVAL(z_context);
/* va_copy() is __va_copy() in old gcc versions.
* According to the autoconf manual, using
* memcpy(&dst, &src, sizeof(va_list))
* gives maximum portability. */
#ifndef va_copy
# ifdef __va_copy
# define va_copy(dest, src) __va_copy((dest), (src))
# else
# define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list))
# endif
#endif
va_copy(usr_copy, args);
Z_STRLEN_P(z_error_message) = zend_vspprintf(&Z_STRVAL_P(z_error_message), 0, format, usr_copy);
#ifdef va_copy
va_end(usr_copy);
#endif
Z_TYPE_P(z_error_message) = IS_STRING;
Z_LVAL_P(z_error_type) = type;
Z_TYPE_P(z_error_type) = IS_LONG;
if (error_filename) {
ZVAL_STRING(z_error_filename, error_filename, 1);
}
Z_LVAL_P(z_error_lineno) = error_lineno;
Z_TYPE_P(z_error_lineno) = IS_LONG;
Z_ARRVAL_P(z_context) = EG(active_symbol_table);
Z_TYPE_P(z_context) = IS_ARRAY;
zval_copy_ctor(z_context);
params = (zval ***) emalloc(sizeof(zval **)*5);
params[0] = &z_error_type;
params[1] = &z_error_message;
params[2] = &z_error_filename;
params[3] = &z_error_lineno;
params[4] = &z_context;
orig_user_error_handler = EG(user_error_handler);
EG(user_error_handler) = NULL;
/* User error handler may include() additinal PHP files.
* If an error was generated during comilation PHP will compile
* such scripts recursivly, but some CG() variables may be
* inconsistent. */
in_compilation = zend_is_compiling(TSRMLS_C);
if (in_compilation) {
saved_class_entry = CG(active_class_entry);
CG(active_class_entry) = NULL;
}
if (call_user_function_ex(CG(function_table), NULL, orig_user_error_handler, &retval, 5, params, 1, NULL TSRMLS_CC) == SUCCESS) {
if (retval) {
if (Z_TYPE_P(retval) == IS_BOOL && Z_LVAL_P(retval) == 0) {
zend_error_cb(type, error_filename, error_lineno, format, args);
}
zval_ptr_dtor(&retval);
}
} else if (!EG(exception)) {
/* The user error handler failed, use built-in error handler */
zend_error_cb(type, error_filename, error_lineno, format, args);
}
if (in_compilation) {
CG(active_class_entry) = saved_class_entry;
}
if (!EG(user_error_handler)) {
EG(user_error_handler) = orig_user_error_handler;
}
else {
zval_ptr_dtor(&orig_user_error_handler);
}
efree(params);
zval_ptr_dtor(&z_error_message);
zval_ptr_dtor(&z_error_type);
zval_ptr_dtor(&z_error_filename);
zval_ptr_dtor(&z_error_lineno);
zval_ptr_dtor(&z_context);
break;
}
va_end(args);
if (type == E_PARSE) {
EG(exit_status) = 255;
zend_init_compiler_data_structures(TSRMLS_C);
}
}
/* }}} */
#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)
void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn));
#endif
ZEND_API void zend_output_debug_string(zend_bool trigger_break, char *format, ...) /* {{{ */
{
#if ZEND_DEBUG
va_list args;
va_start(args, format);
# ifdef ZEND_WIN32
{
char output_buf[1024];
vsnprintf(output_buf, 1024, format, args);
OutputDebugString(output_buf);
OutputDebugString("\n");
if (trigger_break && IsDebuggerPresent()) {
DebugBreak();
}
}
# else
vfprintf(stderr, format, args);
fprintf(stderr, "\n");
# endif
va_end(args);
#endif
}
/* }}} */
ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...) /* {{{ */
{
va_list files;
int i;
zend_file_handle *file_handle;
zend_op_array *orig_op_array = EG(active_op_array);
zval **orig_retval_ptr_ptr = EG(return_value_ptr_ptr);
zval *local_retval = NULL;
va_start(files, file_count);
for (i = 0; i < file_count; i++) {
file_handle = va_arg(files, zend_file_handle *);
if (!file_handle) {
continue;
}
EG(active_op_array) = zend_compile_file(file_handle, type TSRMLS_CC);
if (file_handle->opened_path) {
int dummy = 1;
zend_hash_add(&EG(included_files), file_handle->opened_path, strlen(file_handle->opened_path) + 1, (void *)&dummy, sizeof(int), NULL);
}
zend_destroy_file_handle(file_handle TSRMLS_CC);
if (EG(active_op_array)) {
EG(return_value_ptr_ptr) = retval ? retval : &local_retval;
zend_execute(EG(active_op_array) TSRMLS_CC);
if (EG(exception)) {
if (EG(user_exception_handler)) {
zval *orig_user_exception_handler;
zval ***params, *retval2, *old_exception;
params = (zval ***)emalloc(sizeof(zval **));
old_exception = EG(exception);
EG(exception) = NULL;
params[0] = &old_exception;
orig_user_exception_handler = EG(user_exception_handler);
if (call_user_function_ex(CG(function_table), NULL, orig_user_exception_handler, &retval2, 1, params, 1, NULL TSRMLS_CC) == SUCCESS) {
if (retval2 != NULL) {
zval_ptr_dtor(&retval2);
}
} else {
if (!EG(exception)) {
EG(exception) = old_exception;
}
zend_exception_error(EG(exception) TSRMLS_CC);
}
efree(params);
zval_ptr_dtor(&old_exception);
if (EG(exception)) {
zval_ptr_dtor(&EG(exception));
EG(exception) = NULL;
}
} else {
zend_exception_error(EG(exception) TSRMLS_CC);
}
if (retval == NULL && *EG(return_value_ptr_ptr) != NULL) {
zval_ptr_dtor(EG(return_value_ptr_ptr));
local_retval = NULL;
}
} else if (!retval && *EG(return_value_ptr_ptr)) {
zval_ptr_dtor(EG(return_value_ptr_ptr));
local_retval = NULL;
}
destroy_op_array(EG(active_op_array) TSRMLS_CC);
efree(EG(active_op_array));
} else if (type==ZEND_REQUIRE) {
va_end(files);
EG(active_op_array) = orig_op_array;
EG(return_value_ptr_ptr) = orig_retval_ptr_ptr;
return FAILURE;
}
}
va_end(files);
EG(active_op_array) = orig_op_array;
EG(return_value_ptr_ptr) = orig_retval_ptr_ptr;
return SUCCESS;
}
/* }}} */
#define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
ZEND_API char *zend_make_compiled_string_description(char *name TSRMLS_DC) /* {{{ */
{
char *cur_filename;
int cur_lineno;
char *compiled_string_description;
if (zend_is_compiling(TSRMLS_C)) {
cur_filename = zend_get_compiled_filename(TSRMLS_C);
cur_lineno = zend_get_compiled_lineno(TSRMLS_C);
} else if (zend_is_executing(TSRMLS_C)) {
cur_filename = zend_get_executed_filename(TSRMLS_C);
cur_lineno = zend_get_executed_lineno(TSRMLS_C);
} else {
cur_filename = "Unknown";
cur_lineno = 0;
}
zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
return compiled_string_description;
}
/* }}} */
void free_estring(char **str_p) /* {{{ */
{
efree(*str_p);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/