Author: antonp
Date: Wed Jul 19 01:46:46 2006
New Revision: 423403
URL: http://svn.apache.org/viewvc?rev=423403&view=rev
Log:
2006-07-19 Anton Pevtsov <[EMAIL PROTECTED]>
STDCXX-3
* rw_exception.h: New header with definition of the Exception class
and the rw_throw() function
* exception.cpp: Implementation of the Exception class
and the rw_throw() function.
Added:
incubator/stdcxx/trunk/tests/include/rw_exception.h (with props)
incubator/stdcxx/trunk/tests/src/exception.cpp (with props)
Added: incubator/stdcxx/trunk/tests/include/rw_exception.h
URL:
http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/include/rw_exception.h?rev=423403&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/include/rw_exception.h (added)
+++ incubator/stdcxx/trunk/tests/include/rw_exception.h Wed Jul 19 01:46:46 2006
@@ -0,0 +1,61 @@
+/************************************************************************
+ *
+ * rw_exception.h - defines a test driver exception
+ *
+ * $Id$
+ *
+ ***************************************************************************
+ *
+ * Copyright 2006 The Apache Software Foundation or its licensors,
+ * as applicable.
+ *
+ * Copyright 2004-2006 Rogue Wave Software.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ **************************************************************************/
+
+#ifndef RW_EXCEPTION_H_INCLUDED
+#define RW_EXCEPTION_H_INCLUDED
+
+#include <testdefs.h>
+
+enum ExceptionId
+{
+ ex_unknown = 0,
+ // custom exceptions, i.e. not derived for std::exception
+ ex_stream = 1,
+ ex_custom = 7,
+ // exceptions derived from std::exception
+ ex_bad_alloc = 8,
+ ex_std = (7 << 3)
+};
+
+
+struct _TEST_EXPORT Exception
+{
+ const ExceptionId id_;
+
+ Exception (ExceptionId id) : id_ (id) {}
+
+ virtual ~Exception ();
+
+ virtual const char* what () const = 0;
+};
+
+
+_TEST_EXPORT void
+rw_throw (ExceptionId exid, const char *file, int line,
+ const char *function, const char *fmt, ...);
+
+#endif // RW_EXCEPTION_H_INCLUDED
Propchange: incubator/stdcxx/trunk/tests/include/rw_exception.h
------------------------------------------------------------------------------
svn:eol-style = native
Propchange: incubator/stdcxx/trunk/tests/include/rw_exception.h
------------------------------------------------------------------------------
svn:keywords = Id
Added: incubator/stdcxx/trunk/tests/src/exception.cpp
URL:
http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/src/exception.cpp?rev=423403&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/src/exception.cpp (added)
+++ incubator/stdcxx/trunk/tests/src/exception.cpp Wed Jul 19 01:46:46 2006
@@ -0,0 +1,285 @@
+/************************************************************************
+ *
+ * exception.cpp - exceptions testsuite helpers
+ *
+ * $Id$
+ *
+ ************************************************************************
+ *
+ * Copyright 2006 The Apache Software Foundation or its licensors,
+ * as applicable.
+ *
+ * Copyright 2006 Rogue Wave Software.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ **************************************************************************/
+
+// expand _TEST_EXPORT macros
+#define _RWSTD_TEST_SRC
+
+#include <rw_exception.h>
+#include <driver.h>
+#include <rw_printf.h>
+#include <string.h> // for strncpy()
+#include <malloc.h> // for free()
+#include <stddef.h> // for size_t
+#include <stdarg.h> // for va_arg(), va_list
+#include <new> // for std::bad_alloc
+
+/**************************************************************************/
+
+_TEST_EXPORT int
+rw_vasnprintf (char**, size_t*, const char*, va_list);
+
+static int
+_rw_format (char** pbuf, size_t* pbufsize, const char* file, int line,
+ const char* function, const char* fmt, va_list va);
+
+/**************************************************************************/
+
+Exception::~Exception ()
+{
+}
+
+/**************************************************************************/
+
+struct ExceptionBase
+{
+private:
+ struct ExceptionString;
+
+public:
+ char buf_ [256];
+ ExceptionString* ex_str_;
+
+ ExceptionBase ();
+ ExceptionBase (const ExceptionBase&);
+
+ ~ExceptionBase ();
+
+ ExceptionBase& operator= (const ExceptionBase&);
+
+ void format (const char* file, int line, const char* function,
+ const char* fmt, va_list va);
+
+ const char* what () const;
+
+private:
+
+ struct ExceptionString
+ {
+ long refs_;
+ char* str_;
+
+ void init (char* str)
+ {
+ refs_ = 1;
+ str_ = str;
+ }
+
+ void addref () { ++refs_; }
+
+ long release ()
+ {
+ if (0 == --refs_) {
+ free (str_);
+ str_ = 0;
+ }
+ return refs_;
+ }
+
+ private:
+ // not defined
+ ExceptionString (const ExceptionString&);
+ ExceptionString& operator= (const ExceptionString&);
+ };
+
+
+ void free_ ();
+};
+
+ExceptionBase::ExceptionBase () : ex_str_ (0)
+{
+ buf_ [0] = '\0';
+}
+
+ExceptionBase::ExceptionBase (const ExceptionBase& ex) : ex_str_ (0)
+{
+ *this = ex;
+}
+
+ExceptionBase::~ExceptionBase ()
+{
+ free_ ();
+}
+
+ExceptionBase& ExceptionBase::operator= (const ExceptionBase& ex)
+{
+ if (&ex != this) {
+
+ free_ ();
+
+ if (ex.ex_str_) {
+ ex_str_ = ex.ex_str_;
+ ex_str_->addref ();
+ }
+ else
+ strncpy (buf_, ex.buf_, sizeof (buf_));
+ }
+
+ return *this;
+}
+
+void ExceptionBase::format (const char* file, int line,
+ const char* function, const char* fmt, va_list va)
+{
+ free_ ();
+
+ char* buf = 0;
+ size_t bufsize = 0;
+
+ const int nchars = _rw_format (&buf, &bufsize, file, line,
+ function, fmt, va);
+
+ if (0 > nchars)
+ return;
+
+ if (sizeof (buf_) <= nchars) {
+ // buf_ size is too small
+ ex_str_ = _RWSTD_STATIC_CAST (ExceptionString*,
+ malloc (sizeof (*ex_str_)));
+
+ if (ex_str_) {
+ ex_str_->init (buf);
+ return;
+ }
+ }
+
+ // buf_ size if enough or cannot allocate memory for the ex_str_
+ const size_t max_len = sizeof (buf_) - 1;
+ strncpy (buf_, buf, max_len);
+ buf_ [max_len] = '\0';
+ free (buf);
+}
+
+const char* ExceptionBase::what () const
+{
+ return ex_str_ && ex_str_->str_ ? ex_str_->str_ : buf_;
+}
+
+void ExceptionBase::free_ ()
+{
+ buf_ [0] = '\0';
+
+ if (ex_str_ && 0 == ex_str_->release ()) {
+ free (ex_str_);
+ ex_str_ = 0;
+ }
+}
+
+/**************************************************************************/
+
+struct BadAlloc : std::bad_alloc, ExceptionBase
+{
+ BadAlloc ()
+ {
+ }
+
+ BadAlloc (const ExceptionBase& ex) : ExceptionBase (ex)
+ {
+ }
+
+ ~BadAlloc () _THROWS (()) {}
+
+ const char* what () const _THROWS (())
+ {
+ const char* msg = ExceptionBase::what ();
+ return (msg && msg[0]) ? msg : std::bad_alloc::what ();
+ }
+};
+
+/**************************************************************************/
+
+struct StreamException : Exception, ExceptionBase
+{
+ StreamException () : Exception (ex_stream)
+ {
+ }
+
+ StreamException (const ExceptionBase& ex) :
+ Exception (ex_stream), ExceptionBase (ex)
+ {
+ }
+
+ const char* what () const
+ {
+ return ExceptionBase::what ();
+ }
+};
+
+/**************************************************************************/
+
+static int
+_rw_format (char** pbuf, size_t* pbufsize, const char* file, int line,
+ const char* function, const char* fmt, va_list va)
+{
+ const int nchars1 = function ?
+ rw_asnprintf (pbuf, pbufsize, "\"%s\", %d, \"%s\" ",
+ file, line, function) :
+ rw_asnprintf (pbuf, pbufsize, "\"%s\", %d, ", file, line);
+
+ if (0 > nchars1)
+ return nchars1;
+
+ char *tmpbuf = 0;
+ size_t tmpsize = 0;
+
+ const int nchars2 = rw_vasnprintf (&tmpbuf, &tmpsize, fmt, va);
+
+ if (0 > nchars2) {
+ free (tmpbuf);
+ return nchars1;
+ }
+
+ const int nchars3 = rw_asnprintf (pbuf, pbufsize, "%{+}%s", tmpbuf);
+
+ free (tmpbuf);
+
+ return 0 > nchars3 ? nchars1 : nchars1 + nchars3;
+}
+
+_TEST_EXPORT void
+rw_throw (ExceptionId exid, const char *file, int line,
+ const char *function, const char *fmt, ...)
+{
+ va_list va;
+ va_start (va, fmt);
+
+ ExceptionBase base;
+ base.format (file, line, function, fmt, va);
+
+ va_end (va);
+
+ switch (exid) {
+
+ case ex_stream:
+ throw StreamException (base);
+
+ case ex_bad_alloc:
+ throw BadAlloc (base);
+
+ default:
+ throw ex_unknown;
+ }
+}
Propchange: incubator/stdcxx/trunk/tests/src/exception.cpp
------------------------------------------------------------------------------
svn:keywords = Id
