#include "zend_reflection_api.h"
#include "zend_builtin_functions.h"
#include "zend_interfaces.h"
-
-zend_class_entry *default_exception_ce;
-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_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 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_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);
- }
-}
-
-#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_ce, 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_ce, 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;
-
- _default_exception_get_entry(getThis(), "message", sizeof("message")-1, &message TSRMLS_CC);
- _default_exception_get_entry(getThis(), "file", sizeof("file")-1, &file TSRMLS_CC);
- _default_exception_get_entry(getThis(), "line", sizeof("line")-1, &line TSRMLS_CC);
-
- convert_to_string(&message);
- convert_to_string(&file);
- convert_to_long(&line);
-
- 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_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",
- Z_OBJCE_P(getThis())->name, Z_STRVAL(message), Z_STRVAL(file), Z_LVAL(line),
- (trace && 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(file), Z_LVAL(line),
- (trace && 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_ce, getThis(), "string", sizeof("string")-1, str TSRMLS_CC);
-
- if (trace) {
- zval_ptr_dtor(&trace);
- }
-
- zval_dtor(&message);
- zval_dtor(&file);
- zval_dtor(&line);
-
- 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_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_API zend_class_entry *zend_exception_get_default(void)
-{
- return default_exception_ce;
-}
-
-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_ce TSRMLS_CC)) {
- zend_error(E_NOTICE, "Exceptions must be derived from exception");
- 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);
- }
-
- efree(message);
-
- zend_throw_exception_internal(ex TSRMLS_CC);
-}
-
-
-ZEND_API void zend_throw_exception(zend_class_entry *exception_ce, char *message, long code TSRMLS_DC)
-{
- zend_throw_exception_ex(exception_ce, code TSRMLS_CC, "%s", message);
-}
-
-
-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_ce 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_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);
-
- 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_throw_exception_object(zval *exception TSRMLS_DC)
-{
- zend_class_entry *exception_ce;
-
- if (exception == NULL || exception->type != 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 valid objects that are derived from class Exception");
- }
- zend_throw_exception_internal(exception TSRMLS_CC);
-}
+#include "zend_exceptions.h"
ZEND_API void zend_register_default_classes(TSRMLS_D)
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