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Diffstat (limited to 'apps/examples/helloxx/main.cxx')
-rwxr-xr-x | apps/examples/helloxx/main.cxx | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/apps/examples/helloxx/main.cxx b/apps/examples/helloxx/main.cxx new file mode 100755 index 000000000..df84375a2 --- /dev/null +++ b/apps/examples/helloxx/main.cxx @@ -0,0 +1,128 @@ +//*************************************************************************** +// examples/helloxx/main.c +// +// Copyright (C) 2009 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("CONSTRUCTION FAILED!\n"); + return false; + } + else + { + printf("Hello, World!!\n"); + return true; + } + }; + + private: + int mSecret; +}; + +//*************************************************************************** +// Private Data +//*************************************************************************** + +#ifndef CONFIG_EXAMPLE_HELLOXX_NOSTATICCONST +static CHelloWorld g_HelloWorld; +#endif + +//*************************************************************************** +// Public Functions +//*************************************************************************** + +//*************************************************************************** +// user_initialize +//*************************************************************************** + +#ifndef CONFIG_HAVE_WEAKFUNCTIONS +void user_initialize(void) +{ + // Stub that must be provided only if the toolchain does not support weak + // functions. +} +#endif + +//*************************************************************************** +// user_start +//*************************************************************************** + +int user_start(int argc, char *argv[]) +{ +#ifndef CONFIG_EXAMPLE_HELLOXX_NOSTACKCONST + CHelloWorld HelloWorld; +#endif + CHelloWorld *pHelloWorld = new CHelloWorld; + + printf("Saying hello from the dynamically constructed instance\n"); + pHelloWorld->HelloWorld(); + +#ifndef CONFIG_EXAMPLE_HELLOXX_NOSTACKCONST + printf("Saying hello from the statically constructed instance\n"); + HelloWorld.HelloWorld(); +#endif + +#ifndef CONFIG_EXAMPLE_HELLOXX_NOSTATICCONST + printf("Saying hello from the statically constructed instance\n"); + g_HelloWorld.HelloWorld(); +#endif + + delete pHelloWorld; + return 0; +} + |