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|
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available 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: Sterling Hughes <sterling@php.net> |
| Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_API.h"
#include "zend_reflection_api.h"
#include "zend_builtin_functions.h"
zend_class_entry *default_exception_ptr;
zend_class_entry *abstract_exception_ptr;
static zend_object_value zend_default_exception_new(zend_class_entry *class_type TSRMLS_DC)
{
zval tmp, obj;
zend_object *object;
zval *trace;
obj.value.obj = zend_objects_new(&object, class_type TSRMLS_CC);
ALLOC_HASHTABLE(object->properties);
zend_hash_init(object->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_hash_copy(object->properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));
ALLOC_ZVAL(trace);
trace->is_ref = 0;
trace->refcount = 0;
zend_fetch_debug_backtrace(trace, 0 TSRMLS_CC);
zend_update_property_string(class_type, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC);
zend_update_property_long(class_type, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
zend_update_property(class_type, &obj, "trace", sizeof("trace")-1, trace TSRMLS_CC);
return obj.value.obj;
}
ZEND_METHOD(exception, __construct)
{
char *message = NULL;
long code = 0;
zval *object;
int argc = ZEND_NUM_ARGS(), message_len;
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, argc TSRMLS_CC, "|sl", &message, &message_len, &code) == FAILURE) {
zend_error(E_CORE_ERROR, "Wrong parameter count for exception([string $exception [, long $code ]])");
}
object = getThis();
if (message) {
zend_update_property_string(Z_OBJCE_P(object), object, "message", sizeof("message")-1, message TSRMLS_CC);
}
if (code) {
zend_update_property_long(Z_OBJCE_P(object), object, "code", sizeof("code")-1, code TSRMLS_CC);
}
}
#define DEFAULT_0_PARAMS \
if (ZEND_NUM_ARGS() > 0) { \
ZEND_WRONG_PARAM_COUNT(); \
}
static void _default_exception_get_entry(zval *object, char *name, int name_len, zval *return_value TSRMLS_DC)
{
zval *value;
value = zend_read_property(Z_OBJCE_P(object), object, name, name_len, 0 TSRMLS_CC);
*return_value = *value;
zval_copy_ctor(return_value);
}
ZEND_METHOD(exception, getfile)
{
DEFAULT_0_PARAMS;
_default_exception_get_entry(getThis(), "file", sizeof("file")-1, return_value TSRMLS_CC);
}
ZEND_METHOD(exception, getline)
{
DEFAULT_0_PARAMS;
_default_exception_get_entry(getThis(), "line", sizeof("line")-1, return_value TSRMLS_CC);
}
ZEND_METHOD(exception, getmessage)
{
DEFAULT_0_PARAMS;
_default_exception_get_entry(getThis(), "message", sizeof("message")-1, return_value TSRMLS_CC);
}
ZEND_METHOD(exception, getcode)
{
DEFAULT_0_PARAMS;
_default_exception_get_entry(getThis(), "code", sizeof("code")-1, return_value TSRMLS_CC);
}
ZEND_METHOD(exception, gettrace)
{
DEFAULT_0_PARAMS;
_default_exception_get_entry(getThis(), "trace", sizeof("trace")-1, return_value TSRMLS_CC);
}
/* All functions that may be used in uncaught exception handlers must be final
* and must not throw exceptions. Otherwise we would need a facility to handle
* such exceptions in that handler.
*/
static zend_function_entry default_exception_functions[] = {
ZEND_ME(exception, __construct, NULL, 0)
ZEND_ME(exception, getmessage, NULL, 0) /* non final for now */
ZEND_ME(exception, getcode, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
ZEND_ME(exception, getfile, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
ZEND_ME(exception, getline, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
ZEND_ME(exception, gettrace, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
{NULL, NULL, NULL}
};
static void zend_register_default_exception(TSRMLS_D)
{
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "exception", default_exception_functions);
default_exception_ptr = zend_register_internal_class(&ce TSRMLS_CC);
default_exception_ptr->create_object = zend_default_exception_new;
zend_declare_property_string(default_exception_ptr, "message", sizeof("message")-1, "Unknown exception", ZEND_ACC_PROTECTED);
zend_declare_property_long(default_exception_ptr, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "file", sizeof("file")-1, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "line", sizeof("line")-1, ZEND_ACC_PROTECTED);
zend_declare_property_null(default_exception_ptr, "trace", sizeof("trace")-1, ZEND_ACC_PROTECTED);
INIT_CLASS_ENTRY(ce, "abstract_exception", NULL);
abstract_exception_ptr = zend_register_internal_class_ex(&ce, default_exception_ptr, NULL TSRMLS_CC);
}
ZEND_API zend_class_entry *zend_exception_get_default(void)
{
return default_exception_ptr;
}
ZEND_API zend_class_entry *zend_exception_get_abstract(void)
{
return abstract_exception_ptr;
}
ZEND_API void zend_throw_exception_ex(zend_class_entry *exception_ce, long code TSRMLS_DC, char *format, ...)
{
zval *ex;
va_list arg;
#ifdef _GNU_SOURCE
char *message;
va_start(arg, format);
vasprintf(message, format, arg);
va_end(arg);
#else
char message[1024];
va_start(arg, format);
vsnprintf(message, sizeof(message), format, arg);
va_end(arg);
#endif
MAKE_STD_ZVAL(ex);
if (exception_ce) {
if (!instanceof_function(exception_ce, default_exception_ptr TSRMLS_CC)) {
zend_error(E_NOTICE, "Exceptions must be derived from exception");
exception_ce = default_exception_ptr;
}
} else {
exception_ce = default_exception_ptr;
}
object_init_ex(ex, exception_ce);
if (message) {
zend_update_property_string(exception_ce, ex, "message", sizeof("message")-1, message TSRMLS_CC);
}
if (code) {
zend_update_property_long(exception_ce, ex, "code", sizeof("code")-1, code TSRMLS_CC);
}
#ifdef _GNU_SOURCE
free(message);
#endif
EG(exception) = ex;
}
/* at the moment we can't use zend_throw_exception_ex because we don't have a protable
* vsnprintf that tells us the number of characters needed nor do we have spprintf from
* php or asprintf from glibc always.
*/
ZEND_API void zend_throw_exception(zend_class_entry *exception_ce, char *message, long code TSRMLS_DC)
{
zval *ex;
MAKE_STD_ZVAL(ex);
if (exception_ce) {
if (!instanceof_function(exception_ce, default_exception_ptr TSRMLS_CC)) {
zend_error(E_NOTICE, "Exceptions must be derived from exception");
exception_ce = default_exception_ptr;
}
} else {
exception_ce = default_exception_ptr;
}
object_init_ex(ex, exception_ce);
if (message) {
zend_update_property_string(exception_ce, ex, "message", sizeof("message")-1, message TSRMLS_CC);
}
if (code) {
zend_update_property_long(exception_ce, ex, "code", sizeof("code")-1, code TSRMLS_CC);
}
EG(exception) = ex;
}
static void zend_error_va(int type, const char *file, uint lineno, const char *format, ...)
{
va_list args;
va_start(args, format);
zend_error_cb(E_ERROR, file, lineno, format, args);
va_end(args);
}
ZEND_API void zend_exception_error(zval *exception TSRMLS_DC)
{
if (instanceof_function(Z_OBJCE_P(exception), default_exception_ptr TSRMLS_CC)) {
zval *message = zend_read_property(default_exception_ptr, exception, "message", sizeof("message")-1, 1 TSRMLS_CC);
zval *file = zend_read_property(default_exception_ptr, exception, "file", sizeof("file")-1, 1 TSRMLS_CC);
zval *lineno = zend_read_property(default_exception_ptr, exception, "line", sizeof("line")-1, 1 TSRMLS_CC);
zend_error_va(E_ERROR, Z_STRVAL_P(file), Z_LVAL_P(lineno), "Uncaught exception '%s' with message '%s'", Z_OBJCE_P(exception)->name, Z_STRVAL_P(message));
} else {
zend_error(E_ERROR, "Uncaught exception '%s'!", Z_OBJCE_P(exception)->name);
}
}
ZEND_API void zend_register_default_classes(TSRMLS_D)
{
zend_register_default_exception(TSRMLS_C);
zend_register_reflection_api(TSRMLS_C);
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
|
