root/Zend/zend.c

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DEFINITIONS

This source file includes following definitions.
  1. ZEND_INI_MH
  2. print_hash
  3. print_flat_hash
  4. zend_make_printable_zval
  5. zend_print_zval
  6. zend_print_zval_ex
  7. zend_print_flat_zval_r
  8. zend_print_zval_r
  9. zend_print_zval_r_ex
  10. zend_fopen_wrapper
  11. register_standard_class
  12. zend_set_default_compile_time_values
  13. compiler_globals_ctor
  14. compiler_globals_dtor
  15. executor_globals_ctor
  16. executor_globals_dtor
  17. zend_new_thread_end_handler
  18. scanner_globals_ctor
  19. zend_startup
  20. zend_register_standard_ini_entries
  21. zend_post_startup
  22. zend_shutdown
  23. zend_set_utility_values
  24. zenderror
  25. BEGIN_EXTERN_C
  26. END_EXTERN_C
  27. get_zend_version
  28. zend_activate
  29. zend_activate_modules
  30. zend_deactivate_modules
  31. zend_call_destructors
  32. zend_deactivate
  33. exec_done_cb
  34. zend_post_deactivate_modules
  35. BEGIN_EXTERN_C
  36. END_EXTERN_C
  37. zend_error
  38. zend_output_debug_string
  39. zend_execute_scripts
  40. zend_make_compiled_string_description
  41. free_estring

/*
   +----------------------------------------------------------------------+
   | 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: zend.c,v 1.308.2.12.2.36 2007/12/31 07:20:02 sebastian Exp $ */

#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);

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;
        } else {
                EG(error_reporting) = atoi(new_value);
        }
        return SUCCESS;
}


ZEND_INI_BEGIN()
        ZEND_INI_ENTRY("error_reporting",                               NULL,           ZEND_INI_ALL,           OnUpdateErrorReporting)
        STD_ZEND_INI_BOOLEAN("zend.ze1_compatibility_mode",     "0",    ZEND_INI_ALL,           OnUpdateBool,   ze1_compatibility_mode, zend_executor_globals,  executor_globals)
#ifdef ZEND_MULTIBYTE
        STD_ZEND_INI_BOOLEAN("detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
#endif
ZEND_INI_END()


#ifdef ZTS
ZEND_API int compiler_globals_id;
ZEND_API int executor_globals_id;
HashTable *global_function_table;
HashTable *global_class_table;
HashTable *global_constants_table;
HashTable *global_auto_globals_table;
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(zend_write_func_t write_func, 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_EX(" ");
        }
        ZEND_PUTS_EX("(\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_EX(" ");
                }
                ZEND_PUTS_EX("[");
                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);
                                        ZEND_PUTS_EX(prop_name);
                                        if (class_name && mangled == SUCCESS) {
                                                if (class_name[0]=='*') {
                                                        ZEND_PUTS_EX(":protected");
                                                } else {
                                                        ZEND_PUTS_EX(":private");
                                                }
                                        }
                                } else {
                                        ZEND_WRITE_EX(string_key, str_len-1);
                                }
                                break;
                        case HASH_KEY_IS_LONG:
                                {
                                        char key[25];
                                        snprintf(key, sizeof(key), "%ld", num_key);
                                        ZEND_PUTS_EX(key);
                                }
                                break;
                }
                ZEND_PUTS_EX("] => ");
                zend_print_zval_r_ex(write_func, *tmp, indent+PRINT_ZVAL_INDENT TSRMLS_CC);
                ZEND_PUTS_EX("\n");
                zend_hash_move_forward_ex(ht, &iterator);
        }
        indent -= PRINT_ZVAL_INDENT;
        for (i=0; i<indent; i++) {
                ZEND_PUTS_EX(" ");
        }
        ZEND_PUTS_EX(")\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 (expr->type==IS_STRING) {
                *use_copy = 0;
                return;
        }
        switch (expr->type) {
                case IS_NULL:
                        expr_copy->value.str.len = 0;
                        expr_copy->value.str.val = STR_EMPTY_ALLOC();
                        break;
                case IS_BOOL:
                        if (expr->value.lval) {
                                expr_copy->value.str.len = 1;
                                expr_copy->value.str.val = estrndup("1", 1);
                        } else {
                                expr_copy->value.str.len = 0;
                                expr_copy->value.str.val = STR_EMPTY_ALLOC();
                        }
                        break;
                case IS_RESOURCE:
                        expr_copy->value.str.len = zend_spprintf(&expr_copy->value.str.val, 0, "Resource id #%ld", expr->value.lval);
                        break;
                case IS_ARRAY:
                        expr_copy->value.str.len = sizeof("Array")-1;
                        expr_copy->value.str.val = estrndup("Array", expr_copy->value.str.len);
                        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->refcount++;
                                        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);
                                expr_copy->value.str.len = 0;
                                expr_copy->value.str.val = 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;
        }
        expr_copy->type = 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 (expr->value.str.len==0) { /* optimize away empty strings */
                if (use_copy) {
                        zval_dtor(expr);
                }
                return 0;
        }
        write_func(expr->value.str.val, expr->value.str.len);
        if (use_copy) {
                zval_dtor(expr);
        }
        return expr->value.str.len;
}

ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC)
{
    switch (expr->type) {
        case IS_ARRAY:
            ZEND_PUTS("Array (");
            if (++expr->value.ht->nApplyCount>1) {
                ZEND_PUTS(" *RECURSION*");
                expr->value.ht->nApplyCount--;
                return;
            }
            print_flat_hash(expr->value.ht TSRMLS_CC);
            ZEND_PUTS(")");
            expr->value.ht->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);
                        }
                        zend_printf("%s Object (", class_name?class_name:"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 (expr->type) {
                case IS_ARRAY:
                        ZEND_PUTS_EX("Array\n");
                        if (++expr->value.ht->nApplyCount>1) {
                                ZEND_PUTS_EX(" *RECURSION*");
                                expr->value.ht->nApplyCount--;
                                return;
                        }
                        print_hash(write_func, expr->value.ht, indent, 0 TSRMLS_CC);
                        expr->value.ht->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_PUTS_EX(class_name);
                                } else {
                                        ZEND_PUTS_EX("Unknown Class");
                                }
                                ZEND_PUTS_EX(" Object\n");
                                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_EX(" *RECURSION*");
                                                properties->nApplyCount--;
                                                return;
                                        }
                                        print_hash(write_func, properties, indent, 1 TSRMLS_CC);
                                        properties->nApplyCount--;
                                }
                                break;
                        }
                default:
                        zend_print_zval_ex(write_func, expr, indent);
                        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_bool extended_info_default = 0;
#else
# define asp_tags_default      0
# define short_tags_default    1
# define ct_pass_ref_default   1
# define extended_info_default 0
#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(extended_info) = extended_info_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 scanner_globals_ctor(zend_scanner_globals *scanner_globals_p TSRMLS_DC)
{
        scanner_globals_p->c_buf_p = (char *) 0;
        scanner_globals_p->init = 1;
        scanner_globals_p->start = 0;
        scanner_globals_p->current_buffer = NULL;
        scanner_globals_p->yy_in = NULL;
        scanner_globals_p->yy_out = NULL;
        scanner_globals_p->_yy_more_flag = 0;
        scanner_globals_p->_yy_more_len = 0;
        scanner_globals_p->yy_start_stack_ptr = 0;
        scanner_globals_p->yy_start_stack_depth = 0;
        scanner_globals_p->yy_start_stack = 0;
}

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_scanner_globals ini_scanner_globals;
        extern zend_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_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));
#ifdef ZTS
        GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
#endif
        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(&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 */
        zval_used_for_init.is_ref = 0;
        zval_used_for_init.refcount = 1;
        zval_used_for_init.type = IS_NULL;

#ifdef ZTS
        zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 20, NULL, ZEND_CONSTANT_DTOR, 1, 0);
        zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, (dtor_func_t) zend_auto_global_dtor, 1, 0);
        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_scanner_globals), (ts_allocate_ctor) scanner_globals_ctor, NULL);
        ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_scanner_globals), (ts_allocate_ctor) 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
        zend_hash_init_ex(CG(auto_globals), 8, NULL, (dtor_func_t) zend_auto_global_dtor, 1, 0);
        scanner_globals_ctor(&ini_scanner_globals TSRMLS_CC);
        scanner_globals_ctor(&language_scanner_globals TSRMLS_CC);
        zend_startup_constants();
        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();
}


#ifdef ZTS
/* 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)
{
        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);
        extended_info_default = CG(extended_info);
        
        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)
{
        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);

        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_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)) {
                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_error_message->value.str.len = zend_vspprintf(&z_error_message->value.str.val, 0, format, usr_copy);
#ifdef va_copy
                        va_end(usr_copy);
#endif
                        z_error_message->type = IS_STRING;

                        z_error_type->value.lval = type;
                        z_error_type->type = IS_LONG;

                        if (error_filename) {
                                z_error_filename->value.str.len = strlen(error_filename);
                                z_error_filename->value.str.val = estrndup(error_filename, z_error_filename->value.str.len);
                                z_error_filename->type = IS_STRING;
                        }

                        z_error_lineno->value.lval = error_lineno;
                        z_error_lineno->type = IS_LONG;

                        z_context->value.ht = EG(active_symbol_table);
                        z_context->type = 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:
 */

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