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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you 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 .
+ */
+#ifndef INCLUDED_TOOLS_DIAGNOSE_EX_H
+#define INCLUDED_TOOLS_DIAGNOSE_EX_H
+
+#include <osl/diagnose.h>
+#include <rtl/ustring.hxx>
+
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+
+#include <sal/log.hxx>
+#include <tools/toolsdllapi.h>
+#include <cppuhelper/exc_hlp.hxx>
+
+TOOLS_DLLPUBLIC void DbgUnhandledException(const css::uno::Any& caughtException,
+ const char* currentFunction, const char* fileAndLineNo,
+ const char* area, const char* explanatory = nullptr);
+
+//getCaughtException throws exceptions in never-going-to-happen situations which
+//floods coverity with warnings
+inline css::uno::Any DbgGetCaughtException()
+{
+#if defined(__COVERITY__)
+ try
+ {
+ return ::cppu::getCaughtException();
+ }
+ catch (...)
+ {
+ std::abort();
+ }
+#else
+ return ::cppu::getCaughtException();
+#endif
+}
+
+/** reports a caught UNO exception via OSL diagnostics
+
+ Note that whenever you use this, it might be an indicator that your error
+ handling is not correct...
+ This takes two optional parameters: area and explanatory
+*/
+#define DBG_UNHANDLED_EXCEPTION_0_ARGS() \
+ DbgUnhandledException( DbgGetCaughtException(), OSL_THIS_FUNC, SAL_DETAIL_WHERE );
+#define DBG_UNHANDLED_EXCEPTION_1_ARGS(area) \
+ DbgUnhandledException( DbgGetCaughtException(), OSL_THIS_FUNC, SAL_DETAIL_WHERE, area );
+#define DBG_UNHANDLED_EXCEPTION_2_ARGS(area, explanatory) \
+ DbgUnhandledException( DbgGetCaughtException(), OSL_THIS_FUNC, SAL_DETAIL_WHERE, area, explanatory );
+
+#define DBG_UNHANDLED_FUNC_CHOOSER(_f1, _f2, _f3, ...) _f3
+#define DBG_UNHANDLED_FUNC_RECOMPOSER(argsWithParentheses) DBG_UNHANDLED_FUNC_CHOOSER argsWithParentheses
+#define DBG_UNHANDLED_CHOOSE_FROM_ARG_COUNT(...) DBG_UNHANDLED_FUNC_RECOMPOSER((__VA_ARGS__, DBG_UNHANDLED_EXCEPTION_2_ARGS, DBG_UNHANDLED_EXCEPTION_1_ARGS, DBG_UNHANDLED_EXCEPTION_0_ARGS, ))
+#define DBG_UNHANDLED_NO_ARG_EXPANDER() ,,DBG_UNHANDLED_EXCEPTION_0_ARGS
+#define DBG_UNHANDLED_MACRO_CHOOSER(...) DBG_UNHANDLED_CHOOSE_FROM_ARG_COUNT(DBG_UNHANDLED_NO_ARG_EXPANDER __VA_ARGS__ ())
+#define DBG_UNHANDLED_EXCEPTION(...) DBG_UNHANDLED_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__)
+
+
+/** This macro asserts the given condition (in debug mode), and throws
+ an IllegalArgumentException afterwards.
+ */
+#define ENSURE_ARG_OR_THROW(c, m) if( !(c) ) { \
+ OSL_ENSURE(c, m); \
+ throw css::lang::IllegalArgumentException( \
+ OUStringLiteral(OSL_THIS_FUNC) \
+ + ",\n" m, \
+ css::uno::Reference< css::uno::XInterface >(), \
+ 0 ); }
+#define ENSURE_ARG_OR_THROW2(c, m, ifc, arg) if( !(c) ) { \
+ OSL_ENSURE(c, m); \
+ throw css::lang::IllegalArgumentException( \
+ OUStringLiteral(OSL_THIS_FUNC) \
+ + ",\n" m, \
+ ifc, \
+ arg ); }
+
+/** This macro asserts the given condition (in debug mode), and throws
+ a RuntimeException afterwards.
+ */
+#define ENSURE_OR_THROW(c, m) \
+ if( !(c) ){ \
+ OSL_ENSURE(c, m); \
+ throw css::uno::RuntimeException( \
+ OUStringLiteral(OSL_THIS_FUNC) + ",\n" m, \
+ css::uno::Reference< css::uno::XInterface >() ); }
+
+#define ENSURE_OR_THROW2(c, m, ifc) \
+ if( !(c) ) { \
+ OSL_ENSURE(c, m); \
+ throw css::uno::RuntimeException( \
+ OUStringLiteral(OSL_THIS_FUNC) + ",\n" m, \
+ ifc ); }
+
+/** This macro asserts the given condition (in debug mode), and
+ returns the given value afterwards.
+ */
+#define ENSURE_OR_RETURN(c, m, r) if( !(c) ) { \
+ OSL_ENSURE(c, m); \
+ return r; }
+
+/** This macro asserts the given condition (in debug mode), and
+ returns false afterwards.
+ */
+#define ENSURE_OR_RETURN_FALSE(c, m) \
+ ENSURE_OR_RETURN(c, m, false)
+
+/** This macro asserts the given condition (in debug mode), and
+ returns afterwards, without return value "void".
+ */
+#define ENSURE_OR_RETURN_VOID( c, m ) \
+ if( !(c) ) \
+ { \
+ OSL_ENSURE( c, m ); \
+ return; \
+ }
+
+/** Convert a caught exception to a string suitable for logging.
+*/
+TOOLS_DLLPUBLIC OString exceptionToString(css::uno::Any const & caughtEx);
+
+/**
+ Logs an message along with a nicely formatted version of the current exception.
+ This must be called as the FIRST thing in a catch block.
+*/
+#define TOOLS_WARN_EXCEPTION(area, stream) \
+ do { \
+ css::uno::Any tools_warn_exception( DbgGetCaughtException() ); \
+ SAL_WARN(area, stream << " " << exceptionToString(tools_warn_exception)); \
+ } while (false)
+
+/**
+ Logs an message along with a nicely formatted version of the current exception.
+ This must be called as the FIRST thing in a catch block.
+*/
+#define TOOLS_WARN_EXCEPTION_IF(cond, area, stream) \
+ do { \
+ css::uno::Any tools_warn_exception( DbgGetCaughtException() ); \
+ SAL_WARN_IF(cond, area, stream << " " << exceptionToString(tools_warn_exception)); \
+ } while (false)
+
+/**
+ Logs an message along with a nicely formatted version of the current exception.
+ This must be called as the FIRST thing in a catch block.
+*/
+#define TOOLS_INFO_EXCEPTION(area, stream) \
+ do { \
+ css::uno::Any tools_warn_exception( DbgGetCaughtException() ); \
+ SAL_INFO(area, stream << " " << exceptionToString(tools_warn_exception)); \
+ } while (false)
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */