a9c3e2c8b3
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4023 42af7a65-404d-4744-a932-0658087f49c3
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
//***************************************************************************
|
|
// examples/helloxx/main.c
|
|
//
|
|
// Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
|
|
// Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions
|
|
// are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// 2. Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in
|
|
// the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// 3. Neither the name NuttX nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
//***************************************************************************
|
|
|
|
//***************************************************************************
|
|
// Included Files
|
|
//***************************************************************************
|
|
|
|
#include <nuttx/config.h>
|
|
#include <nuttx/init.h>
|
|
#include <cstdio>
|
|
#include <debug.h>
|
|
|
|
//***************************************************************************
|
|
// Definitions
|
|
//***************************************************************************
|
|
|
|
//***************************************************************************
|
|
// Private Classes
|
|
//***************************************************************************
|
|
|
|
class CHelloWorld
|
|
{
|
|
public:
|
|
CHelloWorld(void) : mSecret(42) { lldbg("Constructor\n"); };
|
|
~CHelloWorld(void) { lldbg("Destructor\n"); };
|
|
|
|
bool HelloWorld(void)
|
|
{
|
|
if (mSecret != 42)
|
|
{
|
|
printf("CHelloWorld::HelloWorld: CONSTRUCTION FAILED!\n");
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
printf("CHelloWorld::HelloWorld: Hello, World!!\n");
|
|
return true;
|
|
}
|
|
};
|
|
|
|
private:
|
|
int mSecret;
|
|
};
|
|
|
|
//***************************************************************************
|
|
// Private Data
|
|
//***************************************************************************
|
|
|
|
#ifndef CONFIG_EXAMPLES_HELLOXX_NOSTATICCONST
|
|
static CHelloWorld g_HelloWorld;
|
|
#endif
|
|
|
|
//***************************************************************************
|
|
// Public Functions
|
|
//***************************************************************************
|
|
|
|
//***************************************************************************
|
|
// user_start
|
|
//***************************************************************************
|
|
|
|
/****************************************************************************
|
|
* Name: user_start/nxhello_main
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_EXAMPLES_HELLOXX_BUILTIN
|
|
extern "C" int helloxx_main(int argc, char *argv[]);
|
|
# define MAIN_NAME helloxx_main
|
|
# define MAIN_STRING "helloxx_main: "
|
|
#else
|
|
# define MAIN_NAME user_start
|
|
# define MAIN_STRING "user_start: "
|
|
#endif
|
|
|
|
int MAIN_NAME(int argc, char *argv[])
|
|
{
|
|
#ifndef CONFIG_EXAMPLES_HELLOXX_NOSTACKCONST
|
|
CHelloWorld HelloWorld;
|
|
#endif
|
|
CHelloWorld *pHelloWorld = new CHelloWorld;
|
|
|
|
printf(MAIN_STRING "Saying hello from the dynamically constructed instance\n");
|
|
pHelloWorld->HelloWorld();
|
|
|
|
#ifndef CONFIG_EXAMPLES_HELLOXX_NOSTACKCONST
|
|
printf(MAIN_STRING "Saying hello from the instance constructed on the stack\n");
|
|
HelloWorld.HelloWorld();
|
|
#endif
|
|
|
|
#ifndef CONFIG_EXAMPLES_HELLOXX_NOSTATICCONST
|
|
printf(MAIN_STRING "Saying hello from the statically constructed instance\n");
|
|
g_HelloWorld.HelloWorld();
|
|
#endif
|
|
|
|
delete pHelloWorld;
|
|
return 0;
|
|
}
|
|
|