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Fix bug #27186
This commit is contained in:
Zeev Suraski
parent
da36a7c249
commit
b6e14b44b4
2 changed files with 122 additions and 94 deletions
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@ -25,7 +25,7 @@
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#include "zend_builtin_functions.h"
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#include "zend_interfaces.h"
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static zend_class_entry *default_exception_ptr;
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static zend_class_entry *default_exception_ce;
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static zend_object_handlers default_exception_handlers;
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ZEND_API void zend_throw_exception(zend_class_entry *exception_ce, char *message, long code TSRMLS_DC);
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@ -47,9 +47,9 @@ static zend_object_value zend_default_exception_new(zend_class_entry *class_type
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trace->refcount = 0;
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zend_fetch_debug_backtrace(trace, 0 TSRMLS_CC);
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zend_update_property_string(default_exception_ptr, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC);
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zend_update_property_long(default_exception_ptr, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
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zend_update_property(default_exception_ptr, &obj, "trace", sizeof("trace")-1, trace TSRMLS_CC);
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zend_update_property_string(default_exception_ce, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC);
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zend_update_property_long(default_exception_ce, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
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zend_update_property(default_exception_ce, &obj, "trace", sizeof("trace")-1, trace TSRMLS_CC);
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return obj.value.obj;
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}
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@ -74,11 +74,11 @@ ZEND_METHOD(exception, __construct)
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object = getThis();
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if (message) {
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zend_update_property_string(default_exception_ptr, object, "message", sizeof("message")-1, message TSRMLS_CC);
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zend_update_property_string(default_exception_ce, object, "message", sizeof("message")-1, message TSRMLS_CC);
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}
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if (code) {
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zend_update_property_long(default_exception_ptr, object, "code", sizeof("code")-1, code TSRMLS_CC);
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zend_update_property_long(default_exception_ce, object, "code", sizeof("code")-1, code TSRMLS_CC);
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}
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}
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@ -91,7 +91,7 @@ static void _default_exception_get_entry(zval *object, char *name, int name_len,
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{
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zval *value;
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value = zend_read_property(default_exception_ptr, object, name, name_len, 0 TSRMLS_CC);
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value = zend_read_property(default_exception_ce, object, name, name_len, 0 TSRMLS_CC);
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*return_value = *value;
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zval_copy_ctor(return_value);
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@ -290,7 +290,7 @@ ZEND_METHOD(exception, getTraceAsString)
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char *res = estrdup(""), **str = &res, *s_tmp;
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int res_len = 0, *len = &res_len, num = 0;
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trace = zend_read_property(default_exception_ptr, getThis(), "trace", sizeof("trace")-1, 1 TSRMLS_CC);
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trace = zend_read_property(default_exception_ce, getThis(), "trace", sizeof("trace")-1, 1 TSRMLS_CC);
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zend_hash_apply_with_arguments(Z_ARRVAL_P(trace), (apply_func_args_t)_build_trace_string, 3, str, len, &num);
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s_tmp = emalloc(1 + MAX_LENGTH_OF_LONG + 7 + 1);
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@ -316,15 +316,19 @@ int zend_spprintf(char **message, int max_len, char *format, ...)
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ZEND_METHOD(exception, __toString)
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{
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zval *message, *file, *line, *trace;
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zval message, file, line, *trace;
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char *str;
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int len;
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zend_fcall_info fci;
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zval fname;
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message = zend_read_property(default_exception_ptr, getThis(), "message", sizeof("message")-1, 1 TSRMLS_CC);
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file = zend_read_property(default_exception_ptr, getThis(), "file", sizeof("file")-1, 1 TSRMLS_CC);
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line = zend_read_property(default_exception_ptr, getThis(), "line", sizeof("line")-1, 1 TSRMLS_CC);
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_default_exception_get_entry(getThis(), "message", sizeof("message")-1, &message TSRMLS_CC);
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_default_exception_get_entry(getThis(), "file", sizeof("file")-1, &file TSRMLS_CC);
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_default_exception_get_entry(getThis(), "line", sizeof("line")-1, &line TSRMLS_CC);
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convert_to_string(&message);
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convert_to_string(&file);
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convert_to_long(&line);
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ZVAL_STRINGL(&fname, "gettraceasstring", sizeof("gettraceasstring")-1, 0);
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@ -340,21 +344,31 @@ ZEND_METHOD(exception, __toString)
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zend_call_function(&fci, NULL TSRMLS_CC);
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if (Z_STRLEN_P(message) > 0) {
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if (Z_TYPE_P(trace) != IS_STRING) {
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trace = NULL;
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}
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if (Z_STRLEN(message) > 0) {
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len = zend_spprintf(&str, 0, "exception '%s' with message '%s' in %s:%ld\nStack trace:\n%s",
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Z_OBJCE_P(getThis())->name, Z_STRVAL_P(message), Z_STRVAL_P(file), Z_LVAL_P(line),
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Z_STRLEN_P(trace) ? Z_STRVAL_P(trace) : "#0 {main}\n");
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Z_OBJCE_P(getThis())->name, Z_STRVAL(message), Z_STRVAL(file), Z_LVAL(line),
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(trace && Z_STRLEN_P(trace)) ? Z_STRVAL_P(trace) : "#0 {main}\n");
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} else {
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len = zend_spprintf(&str, 0, "exception '%s' in %s:%ld\nStack trace:\n%s",
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Z_OBJCE_P(getThis())->name, Z_STRVAL_P(file), Z_LVAL_P(line),
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Z_STRLEN_P(trace) ? Z_STRVAL_P(trace) : "#0 {main}\n");
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Z_OBJCE_P(getThis())->name, Z_STRVAL(file), Z_LVAL(line),
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(trace && Z_STRLEN_P(trace)) ? Z_STRVAL_P(trace) : "#0 {main}\n");
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}
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/* We store the result in the private property string so we can access
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* the result in uncaught exception handlers without memleaks. */
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zend_update_property_string(default_exception_ptr, getThis(), "string", sizeof("string")-1, str TSRMLS_CC);
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zend_update_property_string(default_exception_ce, getThis(), "string", sizeof("string")-1, str TSRMLS_CC);
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zval_ptr_dtor(&trace);
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if (trace) {
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zval_ptr_dtor(&trace);
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}
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zval_dtor(&message);
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zval_dtor(&file);
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zval_dtor(&line);
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RETURN_STRINGL(str, len, 0);
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}
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@ -386,22 +400,22 @@ static void zend_register_default_exception(TSRMLS_D)
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zend_class_entry ce;
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INIT_CLASS_ENTRY(ce, "exception", default_exception_functions);
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default_exception_ptr = zend_register_internal_class(&ce TSRMLS_CC);
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default_exception_ptr->create_object = zend_default_exception_new;
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default_exception_ce = zend_register_internal_class(&ce TSRMLS_CC);
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default_exception_ce->create_object = zend_default_exception_new;
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memcpy(&default_exception_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
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default_exception_handlers.clone_obj = NULL;
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zend_declare_property_string(default_exception_ptr, "message", sizeof("message")-1, "", ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_string(default_exception_ptr, "string", sizeof("string")-1, "", ZEND_ACC_PRIVATE TSRMLS_CC);
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zend_declare_property_long(default_exception_ptr, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_null(default_exception_ptr, "file", sizeof("file")-1, ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_null(default_exception_ptr, "line", sizeof("line")-1, ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_null(default_exception_ptr, "trace", sizeof("trace")-1, ZEND_ACC_PRIVATE TSRMLS_CC);
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zend_declare_property_string(default_exception_ce, "message", sizeof("message")-1, "", ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_string(default_exception_ce, "string", sizeof("string")-1, "", ZEND_ACC_PRIVATE TSRMLS_CC);
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zend_declare_property_long(default_exception_ce, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_null(default_exception_ce, "file", sizeof("file")-1, ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_null(default_exception_ce, "line", sizeof("line")-1, ZEND_ACC_PROTECTED TSRMLS_CC);
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zend_declare_property_null(default_exception_ce, "trace", sizeof("trace")-1, ZEND_ACC_PRIVATE TSRMLS_CC);
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}
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ZEND_API zend_class_entry *zend_exception_get_default(void)
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{
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return default_exception_ptr;
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return default_exception_ce;
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}
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ZEND_API void zend_throw_exception_ex(zend_class_entry *exception_ce, long code TSRMLS_DC, char *format, ...)
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@ -416,21 +430,21 @@ ZEND_API void zend_throw_exception_ex(zend_class_entry *exception_ce, long code
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MAKE_STD_ZVAL(ex);
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if (exception_ce) {
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if (!instanceof_function(exception_ce, default_exception_ptr TSRMLS_CC)) {
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if (!instanceof_function(exception_ce, default_exception_ce TSRMLS_CC)) {
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zend_error(E_NOTICE, "Exceptions must be derived from exception");
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exception_ce = default_exception_ptr;
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exception_ce = default_exception_ce;
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}
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} else {
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exception_ce = default_exception_ptr;
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exception_ce = default_exception_ce;
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}
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object_init_ex(ex, exception_ce);
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if (message) {
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zend_update_property_string(default_exception_ptr, ex, "message", sizeof("message")-1, message TSRMLS_CC);
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zend_update_property_string(default_exception_ce, ex, "message", sizeof("message")-1, message TSRMLS_CC);
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}
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if (code) {
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zend_update_property_long(default_exception_ptr, ex, "code", sizeof("code")-1, code TSRMLS_CC);
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zend_update_property_long(default_exception_ce, ex, "code", sizeof("code")-1, code TSRMLS_CC);
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}
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efree(message);
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@ -448,21 +462,21 @@ ZEND_API void zend_throw_exception(zend_class_entry *exception_ce, char *message
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MAKE_STD_ZVAL(ex);
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if (exception_ce) {
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if (!instanceof_function(exception_ce, default_exception_ptr TSRMLS_CC)) {
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if (!instanceof_function(exception_ce, default_exception_ce TSRMLS_CC)) {
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zend_error(E_NOTICE, "Exceptions must be derived from exception");
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exception_ce = default_exception_ptr;
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exception_ce = default_exception_ce;
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}
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} else {
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exception_ce = default_exception_ptr;
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exception_ce = default_exception_ce;
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}
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object_init_ex(ex, exception_ce);
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if (message) {
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zend_update_property_string(default_exception_ptr, ex, "message", sizeof("message")-1, message TSRMLS_CC);
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zend_update_property_string(default_exception_ce, ex, "message", sizeof("message")-1, message TSRMLS_CC);
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}
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if (code) {
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zend_update_property_long(default_exception_ptr, ex, "code", sizeof("code")-1, code TSRMLS_CC);
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zend_update_property_long(default_exception_ce, ex, "code", sizeof("code")-1, code TSRMLS_CC);
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}
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zend_throw_exception_internal(ex TSRMLS_CC);
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@ -480,7 +494,7 @@ static void zend_error_va(int type, const char *file, uint lineno, const char *f
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ZEND_API void zend_exception_error(zval *exception TSRMLS_DC)
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{
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zend_class_entry *ce_exception = Z_OBJCE_P(exception);
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if (instanceof_function(ce_exception, default_exception_ptr TSRMLS_CC)) {
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if (instanceof_function(ce_exception, default_exception_ce TSRMLS_CC)) {
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zval *str, *file, *line;
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zval *old_exception = EG(exception);
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@ -491,16 +505,16 @@ ZEND_API void zend_exception_error(zval *exception TSRMLS_DC)
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if (Z_TYPE_P(str) != IS_STRING) {
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zend_error(E_WARNING, "%s::__toString() must return a string", ce_exception->name);
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} else {
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zend_update_property_string(default_exception_ptr, exception, "string", sizeof("string")-1, EG(exception) ? ce_exception->name : Z_STRVAL_P(str) TSRMLS_CC);
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zend_update_property_string(default_exception_ce, exception, "string", sizeof("string")-1, EG(exception) ? ce_exception->name : Z_STRVAL_P(str) TSRMLS_CC);
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}
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}
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zval_ptr_dtor(&str);
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if (EG(exception)) {
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/* do the best we can to inform about the inner exception */
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if (instanceof_function(ce_exception, default_exception_ptr TSRMLS_CC)) {
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file = zend_read_property(default_exception_ptr, EG(exception), "file", sizeof("file")-1, 1 TSRMLS_CC);
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line = zend_read_property(default_exception_ptr, EG(exception), "line", sizeof("line")-1, 1 TSRMLS_CC);
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if (instanceof_function(ce_exception, default_exception_ce TSRMLS_CC)) {
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file = zend_read_property(default_exception_ce, EG(exception), "file", sizeof("file")-1, 1 TSRMLS_CC);
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line = zend_read_property(default_exception_ce, EG(exception), "line", sizeof("line")-1, 1 TSRMLS_CC);
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} else {
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file = NULL;
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line = NULL;
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@ -508,9 +522,9 @@ ZEND_API void zend_exception_error(zval *exception TSRMLS_DC)
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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);
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}
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str = zend_read_property(default_exception_ptr, exception, "string", sizeof("string")-1, 1 TSRMLS_CC);
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file = zend_read_property(default_exception_ptr, exception, "file", sizeof("file")-1, 1 TSRMLS_CC);
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line = zend_read_property(default_exception_ptr, exception, "line", sizeof("line")-1, 1 TSRMLS_CC);
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str = zend_read_property(default_exception_ce, exception, "string", sizeof("string")-1, 1 TSRMLS_CC);
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file = zend_read_property(default_exception_ce, exception, "file", sizeof("file")-1, 1 TSRMLS_CC);
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line = zend_read_property(default_exception_ce, exception, "line", sizeof("line")-1, 1 TSRMLS_CC);
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EG(exception) = old_exception;
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