mirror of
https://github.com/php/php-src.git
synced 2024-12-01 05:43:38 +08:00
835 lines
26 KiB
C
835 lines
26 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| Zend Engine |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1998-2010 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> |
|
|
| Marcus Boerger <helly@php.net> |
|
|
| Sterling Hughes <sterling@php.net> |
|
|
| Zeev Suraski <zeev@zend.com> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
#include "zend.h"
|
|
#include "zend_API.h"
|
|
#include "zend_builtin_functions.h"
|
|
#include "zend_interfaces.h"
|
|
#include "zend_exceptions.h"
|
|
#include "zend_vm.h"
|
|
#include "zend_dtrace.h"
|
|
|
|
zend_class_entry *default_exception_ce;
|
|
zend_class_entry *error_exception_ce;
|
|
static zend_object_handlers default_exception_handlers;
|
|
ZEND_API void (*zend_throw_exception_hook)(zval *ex TSRMLS_DC);
|
|
|
|
void zend_exception_set_previous(zval *exception, zval *add_previous TSRMLS_DC)
|
|
{
|
|
zval *previous;
|
|
|
|
if (exception == add_previous || !add_previous || !exception) {
|
|
return;
|
|
}
|
|
if (Z_TYPE_P(add_previous) != IS_OBJECT && !instanceof_function(Z_OBJCE_P(add_previous), default_exception_ce TSRMLS_CC)) {
|
|
zend_error(E_ERROR, "Cannot set non exception as previous exception");
|
|
return;
|
|
}
|
|
while (exception && exception != add_previous && Z_OBJ_HANDLE_P(exception) != Z_OBJ_HANDLE_P(add_previous)) {
|
|
previous = zend_read_property(default_exception_ce, exception, "previous", sizeof("previous")-1, 1 TSRMLS_CC);
|
|
if (Z_TYPE_P(previous) == IS_NULL) {
|
|
zend_update_property(default_exception_ce, exception, "previous", sizeof("previous")-1, add_previous TSRMLS_CC);
|
|
Z_DELREF_P(add_previous);
|
|
return;
|
|
}
|
|
exception = previous;
|
|
}
|
|
}
|
|
|
|
void zend_exception_save(TSRMLS_D) /* {{{ */
|
|
{
|
|
if (EG(prev_exception)) {
|
|
zend_exception_set_previous(EG(exception), EG(prev_exception) TSRMLS_CC);
|
|
}
|
|
if (EG(exception)) {
|
|
EG(prev_exception) = EG(exception);
|
|
}
|
|
EG(exception) = NULL;
|
|
}
|
|
/* }}} */
|
|
|
|
void zend_exception_restore(TSRMLS_D) /* {{{ */
|
|
{
|
|
if (EG(prev_exception)) {
|
|
if (EG(exception)) {
|
|
zend_exception_set_previous(EG(exception), EG(prev_exception) TSRMLS_CC);
|
|
} else {
|
|
EG(exception) = EG(prev_exception);
|
|
}
|
|
EG(prev_exception) = NULL;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
void zend_throw_exception_internal(zval *exception TSRMLS_DC) /* {{{ */
|
|
{
|
|
#ifdef HAVE_DTRACE
|
|
if (DTRACE_EXCEPTION_THROWN_ENABLED()) {
|
|
char *classname;
|
|
int name_len;
|
|
|
|
if (exception != NULL) {
|
|
zend_get_object_classname(exception, &classname, &name_len);
|
|
DTRACE_EXCEPTION_THROWN(classname);
|
|
} else {
|
|
DTRACE_EXCEPTION_THROWN(NULL);
|
|
}
|
|
}
|
|
#endif /* HAVE_DTRACE */
|
|
|
|
if (exception != NULL) {
|
|
zval *previous = EG(exception);
|
|
zend_exception_set_previous(exception, EG(exception) TSRMLS_CC);
|
|
EG(exception) = exception;
|
|
if (previous) {
|
|
return;
|
|
}
|
|
}
|
|
if (!EG(current_execute_data)) {
|
|
zend_error(E_ERROR, "Exception thrown without a stack frame");
|
|
}
|
|
|
|
if (zend_throw_exception_hook) {
|
|
zend_throw_exception_hook(exception TSRMLS_CC);
|
|
}
|
|
|
|
if (EG(current_execute_data)->opline == NULL ||
|
|
(EG(current_execute_data)->opline+1)->opcode == ZEND_HANDLE_EXCEPTION) {
|
|
/* no need to rethrow the exception */
|
|
return;
|
|
}
|
|
EG(opline_before_exception) = EG(current_execute_data)->opline;
|
|
EG(current_execute_data)->opline = EG(exception_op);
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API void zend_clear_exception(TSRMLS_D) /* {{{ */
|
|
{
|
|
if (EG(prev_exception)) {
|
|
zval_ptr_dtor(&EG(prev_exception));
|
|
EG(prev_exception) = NULL;
|
|
}
|
|
if (!EG(exception)) {
|
|
return;
|
|
}
|
|
zval_ptr_dtor(&EG(exception));
|
|
EG(exception) = NULL;
|
|
EG(current_execute_data)->opline = EG(opline_before_exception);
|
|
#if ZEND_DEBUG
|
|
EG(opline_before_exception) = NULL;
|
|
#endif
|
|
}
|
|
/* }}} */
|
|
|
|
static zend_object_value zend_default_exception_new_ex(zend_class_entry *class_type, int skip_top_traces TSRMLS_DC) /* {{{ */
|
|
{
|
|
zval obj;
|
|
zend_object *object;
|
|
zval *trace;
|
|
|
|
Z_OBJVAL(obj) = zend_objects_new(&object, class_type TSRMLS_CC);
|
|
Z_OBJ_HT(obj) = &default_exception_handlers;
|
|
|
|
object_properties_init(object, class_type);
|
|
|
|
ALLOC_ZVAL(trace);
|
|
Z_UNSET_ISREF_P(trace);
|
|
Z_SET_REFCOUNT_P(trace, 0);
|
|
zend_fetch_debug_backtrace(trace, skip_top_traces, 0 TSRMLS_CC);
|
|
|
|
zend_update_property_string(default_exception_ce, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC);
|
|
zend_update_property_long(default_exception_ce, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
|
|
zend_update_property(default_exception_ce, &obj, "trace", sizeof("trace")-1, trace TSRMLS_CC);
|
|
|
|
return Z_OBJVAL(obj);
|
|
}
|
|
/* }}} */
|
|
|
|
static zend_object_value zend_default_exception_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
|
|
{
|
|
return zend_default_exception_new_ex(class_type, 0 TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
static zend_object_value zend_error_exception_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
|
|
{
|
|
return zend_default_exception_new_ex(class_type, 2 TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto Exception Exception::__clone()
|
|
Clone the exception object */
|
|
ZEND_METHOD(exception, __clone)
|
|
{
|
|
/* Should never be executable */
|
|
zend_throw_exception(NULL, "Cannot clone object using __clone()", 0 TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto Exception::__construct(string message, int code [, Exception previous])
|
|
Exception constructor */
|
|
ZEND_METHOD(exception, __construct)
|
|
{
|
|
char *message = NULL;
|
|
long code = 0;
|
|
zval *object, *previous = NULL;
|
|
int argc = ZEND_NUM_ARGS(), message_len;
|
|
|
|
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, argc TSRMLS_CC, "|slO!", &message, &message_len, &code, &previous, default_exception_ce) == FAILURE) {
|
|
zend_error(E_ERROR, "Wrong parameters for Exception([string $exception [, long $code [, Exception $previous = NULL]]])");
|
|
}
|
|
|
|
object = getThis();
|
|
|
|
if (message) {
|
|
zend_update_property_string(default_exception_ce, object, "message", sizeof("message")-1, message TSRMLS_CC);
|
|
}
|
|
|
|
if (code) {
|
|
zend_update_property_long(default_exception_ce, object, "code", sizeof("code")-1, code TSRMLS_CC);
|
|
}
|
|
|
|
if (previous) {
|
|
zend_update_property(default_exception_ce, object, "previous", sizeof("previous")-1, previous TSRMLS_CC);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto ErrorException::__construct(string message, int code, int severity [, string filename [, int lineno [, Exception previous]]])
|
|
ErrorException constructor */
|
|
ZEND_METHOD(error_exception, __construct)
|
|
{
|
|
char *message = NULL, *filename = NULL;
|
|
long code = 0, severity = E_ERROR, lineno;
|
|
zval *object, *previous = NULL;
|
|
int argc = ZEND_NUM_ARGS(), message_len, filename_len;
|
|
|
|
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, argc TSRMLS_CC, "|sllslO!", &message, &message_len, &code, &severity, &filename, &filename_len, &lineno, &previous, default_exception_ce) == FAILURE) {
|
|
zend_error(E_ERROR, "Wrong parameters for ErrorException([string $exception [, long $code, [ long $severity, [ string $filename, [ long $lineno [, Exception $previous = NULL]]]]]])");
|
|
}
|
|
|
|
object = getThis();
|
|
|
|
if (message) {
|
|
zend_update_property_string(default_exception_ce, object, "message", sizeof("message")-1, message TSRMLS_CC);
|
|
}
|
|
|
|
if (code) {
|
|
zend_update_property_long(default_exception_ce, object, "code", sizeof("code")-1, code TSRMLS_CC);
|
|
}
|
|
|
|
if (previous) {
|
|
zend_update_property(default_exception_ce, object, "previous", sizeof("previous")-1, previous TSRMLS_CC);
|
|
}
|
|
|
|
zend_update_property_long(default_exception_ce, object, "severity", sizeof("severity")-1, severity TSRMLS_CC);
|
|
|
|
if (argc >= 4) {
|
|
zend_update_property_string(default_exception_ce, object, "file", sizeof("file")-1, filename TSRMLS_CC);
|
|
if (argc < 5) {
|
|
lineno = 0; /* invalidate lineno */
|
|
}
|
|
zend_update_property_long(default_exception_ce, object, "line", sizeof("line")-1, lineno TSRMLS_CC);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
#define DEFAULT_0_PARAMS \
|
|
if (zend_parse_parameters_none() == FAILURE) { \
|
|
return; \
|
|
}
|
|
|
|
static void _default_exception_get_entry(zval *object, char *name, int name_len, zval *return_value TSRMLS_DC) /* {{{ */
|
|
{
|
|
zval *value;
|
|
|
|
value = zend_read_property(default_exception_ce, object, name, name_len, 0 TSRMLS_CC);
|
|
|
|
*return_value = *value;
|
|
zval_copy_ctor(return_value);
|
|
INIT_PZVAL(return_value);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string Exception::getFile()
|
|
Get the file in which the exception occurred */
|
|
ZEND_METHOD(exception, getFile)
|
|
{
|
|
DEFAULT_0_PARAMS;
|
|
|
|
_default_exception_get_entry(getThis(), "file", sizeof("file")-1, return_value TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int Exception::getLine()
|
|
Get the line in which the exception occurred */
|
|
ZEND_METHOD(exception, getLine)
|
|
{
|
|
DEFAULT_0_PARAMS;
|
|
|
|
_default_exception_get_entry(getThis(), "line", sizeof("line")-1, return_value TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string Exception::getMessage()
|
|
Get the exception message */
|
|
ZEND_METHOD(exception, getMessage)
|
|
{
|
|
DEFAULT_0_PARAMS;
|
|
|
|
_default_exception_get_entry(getThis(), "message", sizeof("message")-1, return_value TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int Exception::getCode()
|
|
Get the exception code */
|
|
ZEND_METHOD(exception, getCode)
|
|
{
|
|
DEFAULT_0_PARAMS;
|
|
|
|
_default_exception_get_entry(getThis(), "code", sizeof("code")-1, return_value TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto array Exception::getTrace()
|
|
Get the stack trace for the location in which the exception occurred */
|
|
ZEND_METHOD(exception, getTrace)
|
|
{
|
|
DEFAULT_0_PARAMS;
|
|
|
|
_default_exception_get_entry(getThis(), "trace", sizeof("trace")-1, return_value TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int ErrorException::getSeverity()
|
|
Get the exception severity */
|
|
ZEND_METHOD(error_exception, getSeverity)
|
|
{
|
|
DEFAULT_0_PARAMS;
|
|
|
|
_default_exception_get_entry(getThis(), "severity", sizeof("severity")-1, return_value TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ gettraceasstring() macros */
|
|
#define TRACE_APPEND_CHR(chr) \
|
|
*str = (char*)erealloc(*str, *len + 1 + 1); \
|
|
(*str)[(*len)++] = chr
|
|
|
|
#define TRACE_APPEND_STRL(val, vallen) \
|
|
{ \
|
|
int l = vallen; \
|
|
*str = (char*)erealloc(*str, *len + l + 1); \
|
|
memcpy((*str) + *len, val, l); \
|
|
*len += l; \
|
|
}
|
|
|
|
#define TRACE_APPEND_STR(val) \
|
|
TRACE_APPEND_STRL(val, sizeof(val)-1)
|
|
|
|
#define TRACE_APPEND_KEY(key) \
|
|
if (zend_hash_find(ht, key, sizeof(key), (void**)&tmp) == SUCCESS) { \
|
|
TRACE_APPEND_STRL(Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp)); \
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
static int _build_trace_args(zval **arg TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
|
|
{
|
|
char **str;
|
|
int *len;
|
|
|
|
str = va_arg(args, char**);
|
|
len = va_arg(args, int*);
|
|
|
|
/* the trivial way would be to do:
|
|
* conver_to_string_ex(arg);
|
|
* append it and kill the now tmp arg.
|
|
* but that could cause some E_NOTICE and also damn long lines.
|
|
*/
|
|
|
|
switch (Z_TYPE_PP(arg)) {
|
|
case IS_NULL:
|
|
TRACE_APPEND_STR("NULL, ");
|
|
break;
|
|
case IS_STRING: {
|
|
int l_added;
|
|
TRACE_APPEND_CHR('\'');
|
|
if (Z_STRLEN_PP(arg) > 15) {
|
|
TRACE_APPEND_STRL(Z_STRVAL_PP(arg), 15);
|
|
TRACE_APPEND_STR("...', ");
|
|
l_added = 15 + 6 + 1; /* +1 because of while (--l_added) */
|
|
} else {
|
|
l_added = Z_STRLEN_PP(arg);
|
|
TRACE_APPEND_STRL(Z_STRVAL_PP(arg), l_added);
|
|
TRACE_APPEND_STR("', ");
|
|
l_added += 3 + 1;
|
|
}
|
|
while (--l_added) {
|
|
if ((*str)[*len - l_added] < 32) {
|
|
(*str)[*len - l_added] = '?';
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case IS_BOOL:
|
|
if (Z_LVAL_PP(arg)) {
|
|
TRACE_APPEND_STR("true, ");
|
|
} else {
|
|
TRACE_APPEND_STR("false, ");
|
|
}
|
|
break;
|
|
case IS_RESOURCE:
|
|
TRACE_APPEND_STR("Resource id #");
|
|
/* break; */
|
|
case IS_LONG: {
|
|
long lval = Z_LVAL_PP(arg);
|
|
char s_tmp[MAX_LENGTH_OF_LONG + 1];
|
|
int l_tmp = zend_sprintf(s_tmp, "%ld", lval); /* SAFE */
|
|
TRACE_APPEND_STRL(s_tmp, l_tmp);
|
|
TRACE_APPEND_STR(", ");
|
|
break;
|
|
}
|
|
case IS_DOUBLE: {
|
|
double dval = Z_DVAL_PP(arg);
|
|
char *s_tmp;
|
|
int l_tmp;
|
|
|
|
s_tmp = emalloc(MAX_LENGTH_OF_DOUBLE + EG(precision) + 1);
|
|
l_tmp = zend_sprintf(s_tmp, "%.*G", (int) EG(precision), dval); /* SAFE */
|
|
TRACE_APPEND_STRL(s_tmp, l_tmp);
|
|
/* %G already handles removing trailing zeros from the fractional part, yay */
|
|
efree(s_tmp);
|
|
TRACE_APPEND_STR(", ");
|
|
break;
|
|
}
|
|
case IS_ARRAY:
|
|
TRACE_APPEND_STR("Array, ");
|
|
break;
|
|
case IS_OBJECT: {
|
|
char *class_name;
|
|
zend_uint class_name_len;
|
|
int dup;
|
|
|
|
TRACE_APPEND_STR("Object(");
|
|
|
|
dup = zend_get_object_classname(*arg, &class_name, &class_name_len TSRMLS_CC);
|
|
|
|
TRACE_APPEND_STRL(class_name, class_name_len);
|
|
if(!dup) {
|
|
efree(class_name);
|
|
}
|
|
|
|
TRACE_APPEND_STR("), ");
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return ZEND_HASH_APPLY_KEEP;
|
|
}
|
|
/* }}} */
|
|
|
|
static int _build_trace_string(zval **frame TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
|
|
{
|
|
char *s_tmp, **str;
|
|
int *len, *num;
|
|
long line;
|
|
HashTable *ht = Z_ARRVAL_PP(frame);
|
|
zval **file, **tmp;
|
|
|
|
str = va_arg(args, char**);
|
|
len = va_arg(args, int*);
|
|
num = va_arg(args, int*);
|
|
|
|
s_tmp = emalloc(1 + MAX_LENGTH_OF_LONG + 1 + 1);
|
|
sprintf(s_tmp, "#%d ", (*num)++);
|
|
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
|
|
efree(s_tmp);
|
|
if (zend_hash_find(ht, "file", sizeof("file"), (void**)&file) == SUCCESS) {
|
|
if (zend_hash_find(ht, "line", sizeof("line"), (void**)&tmp) == SUCCESS) {
|
|
line = Z_LVAL_PP(tmp);
|
|
} else {
|
|
line = 0;
|
|
}
|
|
s_tmp = emalloc(Z_STRLEN_PP(file) + MAX_LENGTH_OF_LONG + 4 + 1);
|
|
sprintf(s_tmp, "%s(%ld): ", Z_STRVAL_PP(file), line);
|
|
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
|
|
efree(s_tmp);
|
|
} else {
|
|
TRACE_APPEND_STR("[internal function]: ");
|
|
}
|
|
TRACE_APPEND_KEY("class");
|
|
TRACE_APPEND_KEY("type");
|
|
TRACE_APPEND_KEY("function");
|
|
TRACE_APPEND_CHR('(');
|
|
if (zend_hash_find(ht, "args", sizeof("args"), (void**)&tmp) == SUCCESS) {
|
|
int last_len = *len;
|
|
zend_hash_apply_with_arguments(Z_ARRVAL_PP(tmp) TSRMLS_CC, (apply_func_args_t)_build_trace_args, 2, str, len);
|
|
if (last_len != *len) {
|
|
*len -= 2; /* remove last ', ' */
|
|
}
|
|
}
|
|
TRACE_APPEND_STR(")\n");
|
|
return ZEND_HASH_APPLY_KEEP;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string Exception::getTraceAsString()
|
|
Obtain the backtrace for the exception as a string (instead of an array) */
|
|
ZEND_METHOD(exception, getTraceAsString)
|
|
{
|
|
zval *trace;
|
|
char *res, **str, *s_tmp;
|
|
int res_len = 0, *len = &res_len, num = 0;
|
|
|
|
DEFAULT_0_PARAMS;
|
|
|
|
res = estrdup("");
|
|
str = &res;
|
|
|
|
trace = zend_read_property(default_exception_ce, getThis(), "trace", sizeof("trace")-1, 1 TSRMLS_CC);
|
|
zend_hash_apply_with_arguments(Z_ARRVAL_P(trace) TSRMLS_CC, (apply_func_args_t)_build_trace_string, 3, str, len, &num);
|
|
|
|
s_tmp = emalloc(1 + MAX_LENGTH_OF_LONG + 7 + 1);
|
|
sprintf(s_tmp, "#%d {main}", num);
|
|
TRACE_APPEND_STRL(s_tmp, strlen(s_tmp));
|
|
efree(s_tmp);
|
|
|
|
res[res_len] = '\0';
|
|
RETURN_STRINGL(res, res_len, 0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string Exception::getPrevious()
|
|
Return previous Exception or NULL. */
|
|
ZEND_METHOD(exception, getPrevious)
|
|
{
|
|
zval *previous;
|
|
|
|
DEFAULT_0_PARAMS;
|
|
|
|
previous = zend_read_property(default_exception_ce, getThis(), "previous", sizeof("previous")-1, 1 TSRMLS_CC);
|
|
RETURN_ZVAL(previous, 1, 0);
|
|
}
|
|
|
|
int zend_spprintf(char **message, int max_len, char *format, ...) /* {{{ */
|
|
{
|
|
va_list arg;
|
|
int len;
|
|
|
|
va_start(arg, format);
|
|
len = zend_vspprintf(message, max_len, format, arg);
|
|
va_end(arg);
|
|
return len;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string Exception::__toString()
|
|
Obtain the string representation of the Exception object */
|
|
ZEND_METHOD(exception, __toString)
|
|
{
|
|
zval message, file, line, *trace, *exception;
|
|
char *str, *prev_str;
|
|
int len = 0;
|
|
zend_fcall_info fci;
|
|
zval fname;
|
|
|
|
DEFAULT_0_PARAMS;
|
|
|
|
str = estrndup("", 0);
|
|
|
|
exception = getThis();
|
|
ZVAL_STRINGL(&fname, "gettraceasstring", sizeof("gettraceasstring")-1, 1);
|
|
|
|
while (exception && Z_TYPE_P(exception) == IS_OBJECT) {
|
|
prev_str = str;
|
|
_default_exception_get_entry(exception, "message", sizeof("message")-1, &message TSRMLS_CC);
|
|
_default_exception_get_entry(exception, "file", sizeof("file")-1, &file TSRMLS_CC);
|
|
_default_exception_get_entry(exception, "line", sizeof("line")-1, &line TSRMLS_CC);
|
|
|
|
convert_to_string(&message);
|
|
convert_to_string(&file);
|
|
convert_to_long(&line);
|
|
|
|
fci.size = sizeof(fci);
|
|
fci.function_table = &Z_OBJCE_P(exception)->function_table;
|
|
fci.function_name = &fname;
|
|
fci.symbol_table = NULL;
|
|
fci.object_ptr = exception;
|
|
fci.retval_ptr_ptr = &trace;
|
|
fci.param_count = 0;
|
|
fci.params = NULL;
|
|
fci.no_separation = 1;
|
|
|
|
zend_call_function(&fci, NULL TSRMLS_CC);
|
|
|
|
if (Z_TYPE_P(trace) != IS_STRING) {
|
|
zval_ptr_dtor(&trace);
|
|
trace = NULL;
|
|
}
|
|
|
|
if (Z_STRLEN(message) > 0) {
|
|
len = zend_spprintf(&str, 0, "exception '%s' with message '%s' in %s:%ld\nStack trace:\n%s%s%s",
|
|
Z_OBJCE_P(exception)->name, Z_STRVAL(message), Z_STRVAL(file), Z_LVAL(line),
|
|
(trace && Z_STRLEN_P(trace)) ? Z_STRVAL_P(trace) : "#0 {main}\n",
|
|
len ? "\n\nNext " : "", prev_str);
|
|
} else {
|
|
len = zend_spprintf(&str, 0, "exception '%s' in %s:%ld\nStack trace:\n%s%s%s",
|
|
Z_OBJCE_P(exception)->name, Z_STRVAL(file), Z_LVAL(line),
|
|
(trace && Z_STRLEN_P(trace)) ? Z_STRVAL_P(trace) : "#0 {main}\n",
|
|
len ? "\n\nNext " : "", prev_str);
|
|
}
|
|
efree(prev_str);
|
|
zval_dtor(&message);
|
|
zval_dtor(&file);
|
|
zval_dtor(&line);
|
|
|
|
exception = zend_read_property(default_exception_ce, exception, "previous", sizeof("previous")-1, 0 TSRMLS_CC);
|
|
|
|
if (trace) {
|
|
zval_ptr_dtor(&trace);
|
|
}
|
|
|
|
}
|
|
zval_dtor(&fname);
|
|
|
|
/* We store the result in the private property string so we can access
|
|
* the result in uncaught exception handlers without memleaks. */
|
|
zend_update_property_string(default_exception_ce, getThis(), "string", sizeof("string")-1, str TSRMLS_CC);
|
|
|
|
RETURN_STRINGL(str, len, 0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ internal structs */
|
|
/* 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.
|
|
* Also all getXY() methods are final because thy serve as read only access to
|
|
* their corresponding properties, no more, no less. If after all you need to
|
|
* override somthing then it is method __toString().
|
|
* And never try to change the state of exceptions and never implement anything
|
|
* that gives the user anything to accomplish this.
|
|
*/
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_exception___construct, 0, 0, 0)
|
|
ZEND_ARG_INFO(0, message)
|
|
ZEND_ARG_INFO(0, code)
|
|
ZEND_ARG_INFO(0, previous)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
const static zend_function_entry default_exception_functions[] = {
|
|
ZEND_ME(exception, __clone, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_FINAL)
|
|
ZEND_ME(exception, __construct, arginfo_exception___construct, ZEND_ACC_PUBLIC)
|
|
ZEND_ME(exception, getMessage, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
|
|
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)
|
|
ZEND_ME(exception, getPrevious, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
|
|
ZEND_ME(exception, getTraceAsString, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
|
|
ZEND_ME(exception, __toString, NULL, 0)
|
|
{NULL, NULL, NULL}
|
|
};
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_error_exception___construct, 0, 0, 0)
|
|
ZEND_ARG_INFO(0, message)
|
|
ZEND_ARG_INFO(0, code)
|
|
ZEND_ARG_INFO(0, severity)
|
|
ZEND_ARG_INFO(0, filename)
|
|
ZEND_ARG_INFO(0, lineno)
|
|
ZEND_ARG_INFO(0, previous)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
static const zend_function_entry error_exception_functions[] = {
|
|
ZEND_ME(error_exception, __construct, arginfo_error_exception___construct, ZEND_ACC_PUBLIC)
|
|
ZEND_ME(error_exception, getSeverity, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)
|
|
{NULL, NULL, NULL}
|
|
};
|
|
/* }}} */
|
|
|
|
void zend_register_default_exception(TSRMLS_D) /* {{{ */
|
|
{
|
|
zend_class_entry ce;
|
|
|
|
INIT_CLASS_ENTRY(ce, "Exception", default_exception_functions);
|
|
default_exception_ce = zend_register_internal_class(&ce TSRMLS_CC);
|
|
default_exception_ce->create_object = zend_default_exception_new;
|
|
memcpy(&default_exception_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
|
|
default_exception_handlers.clone_obj = NULL;
|
|
|
|
zend_declare_property_string(default_exception_ce, "message", sizeof("message")-1, "", ZEND_ACC_PROTECTED TSRMLS_CC);
|
|
zend_declare_property_string(default_exception_ce, "string", sizeof("string")-1, "", ZEND_ACC_PRIVATE TSRMLS_CC);
|
|
zend_declare_property_long(default_exception_ce, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED TSRMLS_CC);
|
|
zend_declare_property_null(default_exception_ce, "file", sizeof("file")-1, ZEND_ACC_PROTECTED TSRMLS_CC);
|
|
zend_declare_property_null(default_exception_ce, "line", sizeof("line")-1, ZEND_ACC_PROTECTED TSRMLS_CC);
|
|
zend_declare_property_null(default_exception_ce, "trace", sizeof("trace")-1, ZEND_ACC_PRIVATE TSRMLS_CC);
|
|
zend_declare_property_null(default_exception_ce, "previous", sizeof("previous")-1, ZEND_ACC_PRIVATE TSRMLS_CC);
|
|
|
|
INIT_CLASS_ENTRY(ce, "ErrorException", error_exception_functions);
|
|
error_exception_ce = zend_register_internal_class_ex(&ce, default_exception_ce, NULL TSRMLS_CC);
|
|
error_exception_ce->create_object = zend_error_exception_new;
|
|
zend_declare_property_long(error_exception_ce, "severity", sizeof("severity")-1, E_ERROR, ZEND_ACC_PROTECTED TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API zend_class_entry *zend_exception_get_default(TSRMLS_D) /* {{{ */
|
|
{
|
|
return default_exception_ce;
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API zend_class_entry *zend_get_error_exception(TSRMLS_D) /* {{{ */
|
|
{
|
|
return error_exception_ce;
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API zval * 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_ce TSRMLS_CC)) {
|
|
zend_error(E_NOTICE, "Exceptions must be derived from the Exception base class");
|
|
exception_ce = default_exception_ce;
|
|
}
|
|
} else {
|
|
exception_ce = default_exception_ce;
|
|
}
|
|
object_init_ex(ex, exception_ce);
|
|
|
|
|
|
if (message) {
|
|
zend_update_property_string(default_exception_ce, ex, "message", sizeof("message")-1, message TSRMLS_CC);
|
|
}
|
|
if (code) {
|
|
zend_update_property_long(default_exception_ce, ex, "code", sizeof("code")-1, code TSRMLS_CC);
|
|
}
|
|
|
|
zend_throw_exception_internal(ex TSRMLS_CC);
|
|
return ex;
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API zval * zend_throw_exception_ex(zend_class_entry *exception_ce, long code TSRMLS_DC, char *format, ...) /* {{{ */
|
|
{
|
|
va_list arg;
|
|
char *message;
|
|
zval *zexception;
|
|
|
|
va_start(arg, format);
|
|
zend_vspprintf(&message, 0, format, arg);
|
|
va_end(arg);
|
|
zexception = zend_throw_exception(exception_ce, message, code TSRMLS_CC);
|
|
efree(message);
|
|
return zexception;
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API zval * zend_throw_error_exception(zend_class_entry *exception_ce, char *message, long code, int severity TSRMLS_DC) /* {{{ */
|
|
{
|
|
zval *ex = zend_throw_exception(exception_ce, message, code TSRMLS_CC);
|
|
zend_update_property_long(default_exception_ce, ex, "severity", sizeof("severity")-1, severity TSRMLS_CC);
|
|
return 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(type, file, lineno, format, args);
|
|
va_end(args);
|
|
}
|
|
/* }}} */
|
|
|
|
/* This function doesn't return if it uses E_ERROR */
|
|
ZEND_API void zend_exception_error(zval *exception, int severity TSRMLS_DC) /* {{{ */
|
|
{
|
|
zend_class_entry *ce_exception = Z_OBJCE_P(exception);
|
|
if (instanceof_function(ce_exception, default_exception_ce TSRMLS_CC)) {
|
|
zval *str, *file, *line;
|
|
|
|
EG(exception) = NULL;
|
|
|
|
zend_call_method_with_0_params(&exception, ce_exception, NULL, "__tostring", &str);
|
|
if (!EG(exception)) {
|
|
if (Z_TYPE_P(str) != IS_STRING) {
|
|
zend_error(E_WARNING, "%s::__toString() must return a string", ce_exception->name);
|
|
} else {
|
|
zend_update_property_string(default_exception_ce, exception, "string", sizeof("string")-1, EG(exception) ? ce_exception->name : Z_STRVAL_P(str) TSRMLS_CC);
|
|
}
|
|
}
|
|
zval_ptr_dtor(&str);
|
|
|
|
if (EG(exception)) {
|
|
/* do the best we can to inform about the inner exception */
|
|
if (instanceof_function(ce_exception, default_exception_ce TSRMLS_CC)) {
|
|
file = zend_read_property(default_exception_ce, EG(exception), "file", sizeof("file")-1, 1 TSRMLS_CC);
|
|
line = zend_read_property(default_exception_ce, EG(exception), "line", sizeof("line")-1, 1 TSRMLS_CC);
|
|
} else {
|
|
file = NULL;
|
|
line = NULL;
|
|
}
|
|
zend_error_va(E_WARNING, file ? Z_STRVAL_P(file) : NULL, line ? Z_LVAL_P(line) : 0, "Uncaught %s in exception handling during call to %s::__tostring()", Z_OBJCE_P(EG(exception))->name, ce_exception->name);
|
|
}
|
|
|
|
str = zend_read_property(default_exception_ce, exception, "string", sizeof("string")-1, 1 TSRMLS_CC);
|
|
file = zend_read_property(default_exception_ce, exception, "file", sizeof("file")-1, 1 TSRMLS_CC);
|
|
line = zend_read_property(default_exception_ce, exception, "line", sizeof("line")-1, 1 TSRMLS_CC);
|
|
|
|
zend_error_va(severity, Z_STRVAL_P(file), Z_LVAL_P(line), "Uncaught %s\n thrown", Z_STRVAL_P(str));
|
|
} else {
|
|
zend_error(severity, "Uncaught exception '%s'", ce_exception->name);
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
ZEND_API void zend_throw_exception_object(zval *exception TSRMLS_DC) /* {{{ */
|
|
{
|
|
zend_class_entry *exception_ce;
|
|
|
|
if (exception == NULL || Z_TYPE_P(exception) != IS_OBJECT) {
|
|
zend_error(E_ERROR, "Need to supply an object when throwing an exception");
|
|
}
|
|
|
|
exception_ce = Z_OBJCE_P(exception);
|
|
|
|
if (!exception_ce || !instanceof_function(exception_ce, default_exception_ce TSRMLS_CC)) {
|
|
zend_error(E_ERROR, "Exceptions must be valid objects derived from the Exception base class");
|
|
}
|
|
zend_throw_exception_internal(exception TSRMLS_CC);
|
|
}
|
|
/* }}} */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*/
|