diff options
Diffstat (limited to 'Zend/zend_default_classes.c')
| -rw-r--r-- | Zend/zend_default_classes.c | 537 |
1 files changed, 0 insertions, 537 deletions
diff --git a/Zend/zend_default_classes.c b/Zend/zend_default_classes.c deleted file mode 100644 index 9292c6edac..0000000000 --- a/Zend/zend_default_classes.c +++ /dev/null @@ -1,537 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2004 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" -#include "zend_interfaces.h" - -static zend_class_entry *default_exception_ptr; -static zend_object_handlers default_exception_handlers; -ZEND_API void zend_throw_exception(zend_class_entry *exception_ce, char *message, long code TSRMLS_DC); - -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); - obj.value.obj.handlers = &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); - trace->is_ref = 0; - trace->refcount = 0; - zend_fetch_debug_backtrace(trace, 0 TSRMLS_CC); - - zend_update_property_string(default_exception_ptr, &obj, "file", sizeof("file")-1, zend_get_executed_filename(TSRMLS_C) TSRMLS_CC); - zend_update_property_long(default_exception_ptr, &obj, "line", sizeof("line")-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC); - zend_update_property(default_exception_ptr, &obj, "trace", sizeof("trace")-1, trace TSRMLS_CC); - - return obj.value.obj; -} - -ZEND_METHOD(exception, __clone) -{ - /* Should never be executable */ - zend_throw_exception(NULL, "Cannot clone object using __clone()", 0 TSRMLS_CC); -} - -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(default_exception_ptr, object, "message", sizeof("message")-1, message TSRMLS_CC); - } - - if (code) { - zend_update_property_long(default_exception_ptr, 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(default_exception_ptr, 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); -} - -/* {{{ ZEND_METHOD(exception, gettraceasstring) */ -#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, 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; - TSRMLS_FETCH(); - - 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: { - TSRMLS_FETCH(); - - TRACE_APPEND_STR("Object("); - TRACE_APPEND_STRL(Z_OBJCE_PP(arg)->name, strlen(Z_OBJCE_PP(arg)->name)); - TRACE_APPEND_STR("), "); - break; - } - default: - break; - } - return ZEND_HASH_APPLY_KEEP; -} - -static int _build_trace_string(zval **frame, 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 + 2 + 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), (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; -} - -ZEND_METHOD(exception, getTraceAsString) -{ - zval *trace; - char *res = estrdup(""), **str = &res, *s_tmp; - int res_len = 0, *len = &res_len, num = 0; - - trace = zend_read_property(default_exception_ptr, getThis(), "trace", sizeof("trace")-1, 1 TSRMLS_CC); - zend_hash_apply_with_arguments(Z_ARRVAL_P(trace), (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); -} -/* }}} */ - -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; -} - -ZEND_METHOD(exception, __toString) -{ - zval *message, *file, *line, *trace; - char *str; - int len; - zend_fcall_info fci; - zval fname; - - message = zend_read_property(default_exception_ptr, getThis(), "message", sizeof("message")-1, 1 TSRMLS_CC); - file = zend_read_property(default_exception_ptr, getThis(), "file", sizeof("file")-1, 1 TSRMLS_CC); - line = zend_read_property(default_exception_ptr, getThis(), "line", sizeof("line")-1, 1 TSRMLS_CC); - - ZVAL_STRINGL(&fname, "gettraceasstring", sizeof("gettraceasstring")-1, 0); - - fci.size = sizeof(fci); - fci.function_table = &Z_OBJCE_P(getThis())->function_table; - fci.function_name = &fname; - fci.symbol_table = NULL; - fci.object_pp = &getThis(); - 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_STRLEN_P(message) > 0) { - len = zend_spprintf(&str, 0, "exception '%s' with message '%s' in %s:%ld\nStack trace:\n%s", - Z_OBJCE_P(getThis())->name, Z_STRVAL_P(message), Z_STRVAL_P(file), Z_LVAL_P(line), - Z_STRLEN_P(trace) ? Z_STRVAL_P(trace) : "#0 {main}\n"); - } else { - len = zend_spprintf(&str, 0, "exception '%s' in %s:%ld\nStack trace:\n%s", - Z_OBJCE_P(getThis())->name, Z_STRVAL_P(file), Z_LVAL_P(line), - Z_STRLEN_P(trace) ? Z_STRVAL_P(trace) : "#0 {main}\n"); - } - - /* 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_ptr, getThis(), "string", sizeof("string")-1, str TSRMLS_CC); - - zval_ptr_dtor(&trace); - - RETURN_STRINGL(str, len, 0); -} - -/* 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. - */ -static zend_function_entry default_exception_functions[] = { - ZEND_ME(exception, __clone, NULL, ZEND_ACC_PRIVATE|ZEND_ACC_FINAL) - ZEND_ME(exception, __construct, NULL, 0) - 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, getTraceAsString, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL) - ZEND_ME(exception, __toString, NULL, 0) - {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; - 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_ptr, "message", sizeof("message")-1, "", ZEND_ACC_PROTECTED TSRMLS_CC); - zend_declare_property_string(default_exception_ptr, "string", sizeof("string")-1, "", ZEND_ACC_PRIVATE TSRMLS_CC); - zend_declare_property_long(default_exception_ptr, "code", sizeof("code")-1, 0, ZEND_ACC_PROTECTED TSRMLS_CC); - zend_declare_property_null(default_exception_ptr, "file", sizeof("file")-1, ZEND_ACC_PROTECTED TSRMLS_CC); - zend_declare_property_null(default_exception_ptr, "line", sizeof("line")-1, ZEND_ACC_PROTECTED TSRMLS_CC); - zend_declare_property_null(default_exception_ptr, "trace", sizeof("trace")-1, ZEND_ACC_PRIVATE TSRMLS_CC); -} - -ZEND_API zend_class_entry *zend_exception_get_default(void) -{ - return default_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; - char *message; - - va_start(arg, format); - zend_vspprintf(&message, 0, format, arg); - va_end(arg); - - 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(default_exception_ptr, ex, "message", sizeof("message")-1, message TSRMLS_CC); - } - if (code) { - zend_update_property_long(default_exception_ptr, ex, "code", sizeof("code")-1, code TSRMLS_CC); - } - - efree(message); - - 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(default_exception_ptr, ex, "message", sizeof("message")-1, message TSRMLS_CC); - } - if (code) { - zend_update_property_long(default_exception_ptr, 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(type, file, lineno, format, args); - va_end(args); -} - -ZEND_API void zend_exception_error(zval *exception TSRMLS_DC) -{ - zend_class_entry *ce_exception = Z_OBJCE_P(exception); - if (instanceof_function(ce_exception, default_exception_ptr TSRMLS_CC)) { - zval *str, *file, *line; - zval *old_exception = EG(exception); - - 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_ptr, 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_ptr TSRMLS_CC)) { - file = zend_read_property(default_exception_ptr, EG(exception), "file", sizeof("file")-1, 1 TSRMLS_CC); - line = zend_read_property(default_exception_ptr, 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_ptr, exception, "string", sizeof("string")-1, 1 TSRMLS_CC); - file = zend_read_property(default_exception_ptr, exception, "file", sizeof("file")-1, 1 TSRMLS_CC); - line = zend_read_property(default_exception_ptr, exception, "line", sizeof("line")-1, 1 TSRMLS_CC); - - EG(exception) = old_exception; - - zend_error_va(E_ERROR, Z_STRVAL_P(file), Z_LVAL_P(line), "Uncaught %s\n thrown", Z_STRVAL_P(str)); - } else { - zend_error(E_ERROR, "Uncaught exception '%s'", ce_exception->name); - } -} - -ZEND_API void zend_register_default_classes(TSRMLS_D) -{ - zend_register_interfaces(TSRMLS_C); - zend_register_default_exception(TSRMLS_C); - zend_register_reflection_api(TSRMLS_C); - zend_register_iterator_wrapper(TSRMLS_C); -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |