/2.0/Source/ExtSupport/PHP5/API/zend/zend_exceptions.cpp
C++ | 821 lines | 588 code | 124 blank | 109 comment | 93 complexity | 4b1c31e5ab083b20f95635b293d3fcf6 MD5 | raw file
Possible License(s): CPL-1.0, GPL-2.0, CC-BY-SA-3.0, MPL-2.0-no-copyleft-exception, Apache-2.0
- /*
- +----------------------------------------------------------------------+
- | 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: zend_exceptions.c 293155 2010-01-05 20:46:53Z sebastian $ */
- #include "zend.h"
- #include "zend_API.h"
- #include "zend_builtin_functions.h"
- #include "zend_interfaces.h"
- #include "zend_exceptions.h"
- #include "zend_vm.h"
- #pragma unmanaged
- 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) /* {{{ */
- {
- 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 tmp, obj;
- zend_object *object;
- zval *trace;
- Z_OBJVAL(obj) = zend_objects_new(&object, class_type TSRMLS_CC);
- Z_OBJ_HT(obj) = &default_exception_handlers;
- 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);
- 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 = (char *)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 = (char *)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 = (char *)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 = (char *)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) {
- 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);
- }
- 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);
- if (trace) {
- zval_ptr_dtor(&trace);
- }
- 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:
- */