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php-src/Zend/zend.c

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2002 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> |
+----------------------------------------------------------------------+
*/
#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_builtin_functions.h"
#include "zend_ini.h"
#ifdef ZTS
# define GLOBAL_FUNCTION_TABLE &global_main_class.function_table
# define GLOBAL_CLASS_TABLE &global_main_class.class_table
# define GLOBAL_CONSTANTS_TABLE &global_main_class.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_CONSTANTS_TABLE CG(zend_constants)
# define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals)
#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 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);
static void (*zend_message_dispatcher_p)(long message, void *data);
static int (*zend_get_configuration_directive_p)(char *name, uint name_length, zval *contents);
#ifdef ZTS
ZEND_API int compiler_globals_id;
ZEND_API int executor_globals_id;
ZEND_API int alloc_globals_id;
zend_class_entry global_main_class;
HashTable *global_auto_globals_table;
#endif
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) 1998-2002 Zend Technologies\n"
#define PRINT_ZVAL_INDENT 4
static void print_hash(HashTable *ht, int indent)
{
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:
ZEND_PUTS(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);
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");
}
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 = empty_string;
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 = empty_string;
}
break;
case IS_RESOURCE:
expr_copy->value.str.val = (char *) emalloc(sizeof("Resource id #")-1 + MAX_LENGTH_OF_LONG);
expr_copy->value.str.len = sprintf(expr_copy->value.str.val, "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:
expr_copy->value.str.val = (char *) emalloc(sizeof("Object id #")-1 + MAX_LENGTH_OF_LONG);
expr_copy->value.str.len = sprintf(expr_copy->value.str.val, "Object id #%ld", (long)expr->value.obj.handle);
#if 0
/* FIXME: This might break BC for some people */
expr_copy->value.str.len = sizeof("Object")-1;
expr_copy->value.str.val = estrndup("Object", expr_copy->value.str.len);
#endif
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_zval_r(zval *expr, int indent)
{
zend_print_zval_r_ex(zend_write, expr, indent);
}
ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent)
{
switch(expr->type) {
case IS_ARRAY:
ZEND_PUTS("Array\n");
if (++expr->value.ht->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
expr->value.ht->nApplyCount=0;
return;
}
print_hash(expr->value.ht, indent);
expr->value.ht->nApplyCount--;
break;
case IS_OBJECT:
{
zend_object *object = Z_OBJ_P(expr);
if (++object->properties->nApplyCount>1) {
ZEND_PUTS(" *RECURSION*");
object->properties->nApplyCount=0;
return;
}
zend_printf("%s Object\n", object->ce->name);
print_hash(object->properties, indent);
object->properties->nApplyCount--;
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(void)
{
zend_standard_class_def = malloc(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_standard_class_def->parent = NULL;
zend_hash_init_ex(&zend_standard_class_def->default_properties, 0, NULL, ZVAL_PTR_DTOR, 1, 0);
zend_hash_init_ex(&zend_standard_class_def->private_properties, 0, NULL, ZVAL_PTR_DTOR, 1, 0);
zend_standard_class_def->static_members = (HashTable *) malloc(sizeof(HashTable));
zend_hash_init_ex(zend_standard_class_def->static_members, 0, NULL, ZVAL_PTR_DTOR, 1, 0);
zend_hash_init_ex(&zend_standard_class_def->constants_table, 0, NULL, ZVAL_PTR_DTOR, 1, 0);
zend_hash_init_ex(&zend_standard_class_def->class_table, 10, NULL, ZEND_CLASS_DTOR, 1, 0);
zend_hash_init_ex(&zend_standard_class_def->function_table, 0, NULL, ZEND_FUNCTION_DTOR, 1, 0);
zend_standard_class_def->constructor = NULL;
zend_standard_class_def->destructor = NULL;
zend_standard_class_def->clone = NULL;
zend_standard_class_def->handle_function_call = NULL;
zend_standard_class_def->handle_property_get = NULL;
zend_standard_class_def->handle_property_set = NULL;
zend_standard_class_def->refcount = 1;
zend_hash_add(GLOBAL_CLASS_TABLE, "stdclass", sizeof("stdclass"), &zend_standard_class_def, sizeof(zend_class_entry *), NULL);
}
static void zend_set_default_compile_time_values(TSRMLS_D)
{
/* default compile-time values */
CG(asp_tags) = 0;
CG(short_tags) = 1;
CG(allow_call_time_pass_reference) = 1;
CG(extended_info) = 0;
}
#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 = &compiler_globals->main_class.function_table;
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 = &compiler_globals->main_class.class_table;
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(void *) /* empty element */);
}
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);
}
if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
zend_hash_destroy(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);
}
}
static void executor_globals_ctor(zend_executor_globals *executor_globals TSRMLS_DC)
{
if (GLOBAL_CONSTANTS_TABLE) {
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(in_execution) = 0;
}
static void executor_globals_dtor(zend_executor_globals *executor_globals TSRMLS_DC)
{
zend_shutdown_constants(TSRMLS_C);
zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
zend_ini_shutdown(TSRMLS_C);
}
static void zend_new_thread_end_handler(THREAD_T thread_id TSRMLS_DC)
{
zend_copy_ini_directives(TSRMLS_C);
zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP TSRMLS_CC);
}
#endif
static void alloc_globals_ctor(zend_alloc_globals *alloc_globals_p TSRMLS_DC)
{
start_memory_manager(TSRMLS_C);
}
static void alloc_globals_dtor(zend_alloc_globals *alloc_globals_p TSRMLS_DC)
{
shutdown_memory_manager(0, 1 TSRMLS_CC);
}
#ifdef __FreeBSD__
/* FreeBSD 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;
}
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;
void ***tsrm_ls;
#ifdef ZTS
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
ts_allocate_id(&alloc_globals_id, sizeof(zend_alloc_globals), (ts_allocate_ctor) alloc_globals_ctor, (ts_allocate_dtor) alloc_globals_dtor);
#else
alloc_globals_ctor(&alloc_globals TSRMLS_CC);
#endif
#ifdef __FreeBSD__
/* FreeBSD floating point precision fix */
fpsetmask(0);
#endif
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_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_compile_file = compile_file;
zend_execute = execute;
/* set up version */
zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO)-1;
#ifndef ZTS
GLOBAL_FUNCTION_TABLE = &compiler_globals.main_class.function_table;
GLOBAL_CLASS_TABLE = &compiler_globals.main_class.class_table;
#endif
GLOBAL_AUTO_GLOBALS_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, NULL, 1, 0);
register_standard_class();
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
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, tsrm_ls);
*compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
*compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
zend_startup_constants(tsrm_ls);
#else
zend_hash_init_ex(CG(auto_globals), 8, NULL, NULL, 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;
#endif
zend_register_standard_constants(TSRMLS_C);
#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);
*GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
*GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
#endif
return SUCCESS;
}
void zend_shutdown(TSRMLS_D)
{
#ifdef ZEND_WIN32
zend_shutdown_timeout_thread();
#endif
#ifndef ZTS
zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC);
#endif
zend_destroy_rsrc_list_dtors();
zend_hash_destroy(&module_registry);
#ifndef ZTS
/* In ZTS mode these are freed by compiler_globals_dtor() */
zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
zend_hash_destroy(GLOBAL_CLASS_TABLE);
#endif
zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
free(GLOBAL_AUTO_GLOBALS_TABLE);
zend_shutdown_extensions(TSRMLS_C);
free(zend_version_info);
#ifndef ZTS
zend_shutdown_constants();
#endif
}
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, error);
}
BEGIN_EXTERN_C()
ZEND_API void _zend_bailout(char *filename, uint lineno)
{
TSRMLS_FETCH();
if (!EG(bailout_set)) {
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;
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()
{
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_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_try {
zend_ini_deactivate(TSRMLS_C);
} zend_end_try();
}
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;
}
}
#define ZEND_ERROR_BUFFER_SIZE 1024
ZEND_API void zend_error(int type, const char *format, ...)
{
va_list args;
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;
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_WARNING:
case E_USER_ERROR:
case E_USER_WARNING:
case E_USER_NOTICE:
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)) {
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);
z_error_message->value.str.val = (char *) emalloc(ZEND_ERROR_BUFFER_SIZE);
#ifdef HAVE_VSNPRINTF
z_error_message->value.str.len = vsnprintf(z_error_message->value.str.val, ZEND_ERROR_BUFFER_SIZE, format, args);
if (z_error_message->value.str.len > ZEND_ERROR_BUFFER_SIZE-1) {
z_error_message->value.str.len = ZEND_ERROR_BUFFER_SIZE-1;
}
#else
strncpy(z_error_message->value.str.val, format, ZEND_ERROR_BUFFER_SIZE);
/* This is risky... */
/* z_error_message->value.str.len = vsprintf(z_error_message->value.str.val, format, args); */
#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_ADDREF(z_context); /* we don't want this one to be freed */
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;
if (call_user_function_ex(CG(function_table), NULL, orig_user_error_handler, &retval, 5, params, 1, NULL TSRMLS_CC)==SUCCESS) {
zval_ptr_dtor(&retval);
} else {
/* The user error handler failed, use built-in error handler */
zend_error_cb(type, error_filename, error_lineno, format, args);
}
EG(user_error_handler) = 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);
if (ZVAL_REFCOUNT(z_context)==2) {
FREE_ZVAL(z_context);
}
break;
}
va_end(args);
if (type==E_PARSE) {
zend_init_compiler_data_structures(TSRMLS_C);
}
}
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 *local_retval=NULL;
zend_execute_data execute_data;
EX(prev_execute_data) = NULL;
EG(current_execute_data) = &execute_data;
EX(object) = NULL;
EX(opline) = 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, ZEND_INCLUDE TSRMLS_CC);
zend_destroy_file_handle(file_handle TSRMLS_CC);
if (EG(active_op_array)) {
EX(function_state).function = (zend_function *) EG(active_op_array);
EG(return_value_ptr_ptr) = retval ? retval : &local_retval;
zend_execute(EG(active_op_array) TSRMLS_CC);
if (EG(exception)) {
zval_ptr_dtor(&EG(exception));
zend_error(E_ERROR, "Uncaught exception!");
} else if (!retval) {
zval_ptr_dtor(EG(return_value_ptr_ptr));
local_retval = NULL;
}
destroy_op_array(EG(active_op_array));
efree(EG(active_op_array));
} else if (type==ZEND_REQUIRE) {
va_end(files);
EG(active_op_array) = orig_op_array;
return FAILURE;
}
}
va_end(files);
EG(active_op_array) = orig_op_array;
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;
}
compiled_string_description = emalloc(sizeof(COMPILED_STRING_DESCRIPTION_FORMAT)+strlen(name)+strlen(cur_filename)+MAX_LENGTH_OF_LONG);
sprintf(compiled_string_description, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
return compiled_string_description;
}
void free_estring(char **str_p)
{
efree(*str_p);
}
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