diff options
Diffstat (limited to 'nuttx/examples/nxflat/tests/hello++')
-rw-r--r-- | nuttx/examples/nxflat/tests/hello++/Makefile | 180 | ||||
-rw-r--r-- | nuttx/examples/nxflat/tests/hello++/hello++1.cpp | 60 | ||||
-rw-r--r-- | nuttx/examples/nxflat/tests/hello++/hello++2.cpp | 123 | ||||
-rw-r--r-- | nuttx/examples/nxflat/tests/hello++/hello++3.cpp | 132 | ||||
-rw-r--r-- | nuttx/examples/nxflat/tests/hello++/hello++4.cpp | 150 |
5 files changed, 0 insertions, 645 deletions
diff --git a/nuttx/examples/nxflat/tests/hello++/Makefile b/nuttx/examples/nxflat/tests/hello++/Makefile deleted file mode 100644 index 113520da5..000000000 --- a/nuttx/examples/nxflat/tests/hello++/Makefile +++ /dev/null @@ -1,180 +0,0 @@ -############################################################################ -# examples/nxflat/tests/hello/Makefile -# -# 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. -# -############################################################################ - --include $(TOPDIR)/.config # Current configuration --include $(TOPDIR)/Make.defs # Basic make info - -BIN1 = hello++1 -BIN2 = hello++2 -BIN3 = hello++3 -#BIN4 = hello++4 -ALL_BIN = $(BIN1) $(BIN2) $(BIN3) $(BIN4) - -R1SRCS1 = $(BIN1).c -R1OBJS1 = $(R1SRCS1:.c=.o) -R2SRC1 = $(BIN1)-thunk.S -R2OBJ1 = $(R2SRC1:.S=.o) - -R1SRCS2 = $(BIN2).c -R1OBJS2 = $(R1SRCS2:.c=.o) -R2SRC2 = $(BIN2)-thunk.S -R2OBJ2 = $(R2SRC2:.S=.o) - -R1SRCS3 = $(BIN3).c -R1OBJS3 = $(R1SRCS3:.c=.o) -R2SRC3 = $(BIN3)-thunk.S -R2OBJ3 = $(R2SRC3:.S=.o) - -#R1SRCS4 = $(BIN4).c -#R1OBJS4 = $(R1SRCS4:.c=.o) -#R2SRC4 = $(BIN4)-thunk.S -#R2OBJ4 = $(R2SRC4:.S=.o) - -DERIVED = $(R2SRC1) $(R2SRC2) $(R2SRC3) $(R2SRC4) - -R1CXXOBJS = $(R1OBJS1) $(R1OBJS2) $(R1OBJS3) # $(R1OBJS4) -R2AOBJS = $(R2OBJ1) $(R2OBJ2) $(R2OBJ3) # $(R2OBJ4) - -LIBSTDC_STUBS_DIR = $(TOPDIR)/libxx -LIBSTDC_STUBS_LIB = $(LIBSTDC_STUBS_DIR)/liblibxx.a - -all: $(BIN1) $(BIN2) $(BIN3) # $(BIN4) - -$(R1CXXOBJS): %.o: %.cpp - @echo "CC: $<" - @$(CXX) -c $(CXXPICFLAGS) $< -o $@ - -$(R2AOBJS): %.o: %.S - @echo "AS: $<" - @$(CC) -c $(CPICFLAGS) $< -o $@ - -# This contains libstdc++ stubs to that you can build C++ code -# without actually having libstdc++ - -$(LIBSTDC_STUBS_LIB): - @$(MAKE) -C $(LIBSTDC_STUBS_DIR) TOPDIR=$(TOPDIR) - -# BIN1 and BIN2 link just like C code because they contain no -# static constructors. BIN1 is equivalent to a C hello world; -# BIN2 contains a class that implements hello world, but it is -# not statically initialized. - -$(BIN1).r1: $(R1OBJS1) - @echo "LD: $<" - @$(LD) $(NXFLATLDFLAGS1) -o $@ $^ - -$(R2SRC1): $(BIN1).r1 - @echo "MK: $<" - @$(MKNXFLAT) -o $@ $^ - -$(BIN1).r2: $(R2OBJ1) - @echo "LD: $<" - @$(LD) $(NXFLATLDFLAGS2) -o $@ $(R1OBJS1) $(R2OBJ1) - -$(BIN1): $(BIN1).r2 - @echo "LD: $<" - @$(LDNXFLAT) $(LDNXFLATFLAGS) -o $@ $^ - -$(BIN2).r1: $(R1OBJS2) $(LIBSTDC_STUBS_LIB) - @echo "LD: $<" - @$(LD) $(NXFLATLDFLAGS1) -o $@ $^ - -$(R2SRC2): $(BIN2).r1 - @echo "MK: $<" - @$(MKNXFLAT) -o $@ $^ - -$(BIN2).r2: $(R2OBJ2) - @$(LD) $(NXFLATLDFLAGS2) -o $@ $(R1OBJS2) $(R2OBJ2) - -$(BIN2): $(BIN2).r2 - @echo "LD: $<" - @$(LDNXFLAT) $(LDNXFLATFLAGS) -o $@ $^ - -# BIN3 and BIN4 require that we include --cxx in the xflat-ld command. -# This will instruct xflat-ld that we want it to put together the correct -# startup files to handle the C++ static initializers. -# -# BIN3 is equivalent to BIN2 except that is uses static initializers - -$(BIN3).r1: $(R1OBJS3) $(LIBSTDC_STUBS_LIB) - @echo "LD: $<" - @$(LD) $(NXFLATLDFLAGS1) -o $@ $^ - -$(R2SRC3): $(BIN3).r1 - @echo "MK: $<" - @$(MKNXFLAT) -o $@ $^ - -$(BIN3).r2: $(R2OBJ3) - @echo "LD: $<" - @$(LD) $(NXFLATLDFLAGS2) -o $@ $(R1OBJS3) $(R2OBJ3) - -$(BIN3): $(BIN3).r2 - @echo "LD: $<" - @$(LDNXFLAT) $(LDNXFLATFLAGS) -o $@ $^ - -# BIN4 is similar to BIN3 except that it uses the streams code from libstdc++ -# -# NOTE: libstdc++ is not available for XFLAT as of this writing -# -#$(BIN4).r1: $(R1OBJS4) $(LIBSTDC_STUBS_LIB) -# @echo "LD: $<" -# $(LD) $(NXFLATLDFLAGS1) -o $@ $^ -# -#$(R2SRC4): $(BIN4).r1 -# @echo "MK: $<" -# $(MKNXFLAT) -o $@ $^ -# -#$(BIN4).r2: $(R2OBJ4)# @echo "LD: $<" -# $(LD) $(NXFLATLDFLAGS2) -o $@ $(R1OBJS4) $(R2OBJ4) -# -#$(BIN4): $(BIN4).r2 -# @echo "LD: $<" -# $(LDNXFLAT) $(LDNXFLATFLAGS) -o $@ $^ - -clean: - @rm -f $(ALL_BIN) $(DERIVED) *.o *.r1 *.r2 *~ .*.swp core - -install: $(ALL_BIN) - @install -D $(BIN1) $(ROMFS_DIR)/$(BIN1) - @install -D $(BIN2) $(ROMFS_DIR)/$(BIN2) - @install -D $(BIN3) $(ROMFS_DIR)/$(BIN3) -# @install -D $(BIN4) $(ROMFS_DIR)/$(BIN4) - - - - - - - diff --git a/nuttx/examples/nxflat/tests/hello++/hello++1.cpp b/nuttx/examples/nxflat/tests/hello++/hello++1.cpp deleted file mode 100644 index 779f3307a..000000000 --- a/nuttx/examples/nxflat/tests/hello++/hello++1.cpp +++ /dev/null @@ -1,60 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// examples/nxflat/tests/hello++/hello++1.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. -// -///////////////////////////////////////////////////////////////////////////// -// -// This is an trivial version of "Hello, World" program. It illustrates -// that we can build C programs using the C++ compiler. -// -// - Building a C++ program to use the C library -// - No class creation -// - NO Streams -// - NO Static constructor and destructors -// -///////////////////////////////////////////////////////////////////////////// - -///////////////////////////////////////////////////////////////////////////// -// Included Files -///////////////////////////////////////////////////////////////////////////// - -#include <cstdio> - -///////////////////////////////////////////////////////////////////////////// -// Public Functions -///////////////////////////////////////////////////////////////////////////// - -int main(int argc, char **argv) -{ - printf("Hello, World!\n"); - return 0; -} diff --git a/nuttx/examples/nxflat/tests/hello++/hello++2.cpp b/nuttx/examples/nxflat/tests/hello++/hello++2.cpp deleted file mode 100644 index 87166f3ab..000000000 --- a/nuttx/examples/nxflat/tests/hello++/hello++2.cpp +++ /dev/null @@ -1,123 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// examples/nxflat/tests/hello++/hello++2.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. -// -///////////////////////////////////////////////////////////////////////////// -// -// This is an another trivial version of "Hello, World" design. It illustrates -// -// - Building a C++ program to use the C library -// - Basic class creation -// - NO Streams -// - NO Static constructor and destructors -// -///////////////////////////////////////////////////////////////////////////// - -///////////////////////////////////////////////////////////////////////////// -// Included Files -///////////////////////////////////////////////////////////////////////////// - -#include <cstdio> - -///////////////////////////////////////////////////////////////////////////// -// Classes -///////////////////////////////////////////////////////////////////////////// - -class CThingSayer -{ - const char *szWhatToSay; -public: - CThingSayer(void) - { - printf("CThingSayer::CThingSayer: I am!\n"); - szWhatToSay = (const char*)NULL; - } - - ~CThingSayer(void) - { - printf("CThingSayer::~CThingSayer: I cease to be\n"); - if (szWhatToSay) - { - printf("CThingSayer::~CThingSayer: I will never say '%s' again\n", - szWhatToSay); - } - szWhatToSay = (const char*)NULL; - } - - void Initialize(const char *czSayThis) - { - printf("CThingSayer::Initialize: When told, I will say '%s'\n", - czSayThis); - szWhatToSay = czSayThis; - } - - void SayThing(void) - { - printf("CThingSayer::SayThing: I am now saying '%s'\n", szWhatToSay); - } -}; - -///////////////////////////////////////////////////////////////////////////// -// Public Functions -///////////////////////////////////////////////////////////////////////////// - -int main(int argc, char **argv) -{ - CThingSayer *MyThingSayer; - - printf("main: Started. Creating MyThingSayer\n"); - - // Create an instance of the CThingSayer class - // We should see the message from constructor, CThingSayer::CThingSayer(), - - MyThingSayer = new CThingSayer; - printf("main: Created MyThingSayer=0x%08lx\n", (long)MyThingSayer); - - // Tell MyThingSayer that "Hello, World!" is the string to be said - - printf("main: Calling MyThingSayer->Initialize\n");; - MyThingSayer->Initialize("Hello, World!"); - - // Tell MyThingSayer to say the thing we told it to say - - printf("main: Calling MyThingSayer->SayThing\n");; - MyThingSayer->SayThing(); - - // We should see the message from the destructor, - // CThingSayer::~CThingSayer(), AFTER we see the following - - printf("main: Destroying MyThingSayer\n"); - delete MyThingSayer; - - printf("main: Returning\n");; - return 0; -} diff --git a/nuttx/examples/nxflat/tests/hello++/hello++3.cpp b/nuttx/examples/nxflat/tests/hello++/hello++3.cpp deleted file mode 100644 index ed7302fa6..000000000 --- a/nuttx/examples/nxflat/tests/hello++/hello++3.cpp +++ /dev/null @@ -1,132 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// examples/nxflat/tests/hello++/hello++3.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. -// -///////////////////////////////////////////////////////////////////////////// -// -// This is an another trivial version of "Hello, World" design. It illustrates -// -// - Building a C++ program to use the C library and stdio -// - Basic class creation with virtual methods. -// - Static constructor and destructors (in main program only) -// - NO Streams -// -///////////////////////////////////////////////////////////////////////////// - -///////////////////////////////////////////////////////////////////////////// -// Included Files -///////////////////////////////////////////////////////////////////////////// - -#include <cstdio> - -///////////////////////////////////////////////////////////////////////////// -// Classes -///////////////////////////////////////////////////////////////////////////// - -class CThingSayer -{ - const char *szWhatToSay; -public: - CThingSayer(void); - virtual ~CThingSayer(void); - virtual void Initialize(const char *czSayThis); - virtual void SayThing(void); -}; - -// A static instance of the CThingSayer class. This instance MUST -// be constructed by the system BEFORE the program is started at -// main() and must be destructed by the system AFTER the main() -// returns to the system - -static CThingSayer MyThingSayer; - -// These are implementations of the methods of the CThingSayer class - -CThingSayer::CThingSayer(void) -{ - printf("CThingSayer::CThingSayer: I am!\n"); - szWhatToSay = (const char*)NULL; -} - -CThingSayer::~CThingSayer(void) -{ - printf("CThingSayer::~CThingSayer: I cease to be\n"); - if (szWhatToSay) - { - printf("CThingSayer::~CThingSayer: I will never say '%s' again\n", - szWhatToSay); - } - szWhatToSay = (const char*)NULL; -} - -void CThingSayer::Initialize(const char *czSayThis) -{ - printf("CThingSayer::Initialize: When told, I will say '%s'\n", - czSayThis); - szWhatToSay = czSayThis; -} - -void CThingSayer::SayThing(void) -{ - printf("CThingSayer::SayThing: I am now saying '%s'\n", szWhatToSay); -} - -///////////////////////////////////////////////////////////////////////////// -// Public Functions -///////////////////////////////////////////////////////////////////////////// - -int main(int argc, char **argv) -{ - // We should see the message from constructor, CThingSayer::CThingSayer(), - // BEFORE we see the following messages. That is proof that the - // C++ static initializer is working - - printf("main: Started. MyThingSayer should already exist\n"); - - // Tell MyThingSayer that "Hello, World!" is the string to be said - - printf("main: Calling MyThingSayer.Initialize\n");; - MyThingSayer.Initialize("Hello, World!"); - - // Tell MyThingSayer to say the thing we told it to say - - printf("main: Calling MyThingSayer.SayThing\n");; - MyThingSayer.SayThing(); - - // We are finished, return. We should see the message from the - // destructor, CThingSayer::~CThingSayer(), AFTER we see the following - // message. That is proof that the C++ static destructor logic - // is working - - printf("main: Returning. MyThingSayer should be destroyed\n");; - return 0; -} diff --git a/nuttx/examples/nxflat/tests/hello++/hello++4.cpp b/nuttx/examples/nxflat/tests/hello++/hello++4.cpp deleted file mode 100644 index 97d026093..000000000 --- a/nuttx/examples/nxflat/tests/hello++/hello++4.cpp +++ /dev/null @@ -1,150 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// examples/nxflat/tests/hello++/hello++4.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. -// -///////////////////////////////////////////////////////////////////////////// -// -// This is an excessively complex version of "Hello, World" design to -// illustrate some basic properties of C++: -// -// - Building a C++ program -// - Streams / statically linked libstdc++ -// - Static constructor and destructors (in main program only) -// -///////////////////////////////////////////////////////////////////////////// - -///////////////////////////////////////////////////////////////////////////// -// Included Files -///////////////////////////////////////////////////////////////////////////// - -#include <cstdio> -#include <iostream> - -#ifndef NULL -# define NULL ((void*)0L) -#endif - -///////////////////////////////////////////////////////////////////////////// -// Classes -///////////////////////////////////////////////////////////////////////////// - -using namespace std; - -// A hello world sayer class - -class CThingSayer -{ - const char *szWhatToSay; -public: - CThingSayer(void); - virtual ~CThingSayer(void); - virtual void Initialize(const char *czSayThis); - virtual void SayThing(void); -}; - -///////////////////////////////////////////////////////////////////////////// -// Private Data -///////////////////////////////////////////////////////////////////////////// - -// A static instance of the CThingSayer class. This instance MUST -// be constructed by the system BEFORE the program is started at -// main() and must be destructed by the system AFTER the main() -// returns to the system - -static CThingSayer MyThingSayer; - -///////////////////////////////////////////////////////////////////////////// -// Method Implementations -///////////////////////////////////////////////////////////////////////////// - -// These are implementations of the methods of the CThingSayer class - -CThingSayer::CThingSayer(void) -{ - cout << "CThingSayer::CThingSayer: I am!" << endl; - szWhatToSay = (const char*)NULL; -} - -CThingSayer::~CThingSayer(void) -{ - cout << "CThingSayer::~CThingSayer: I cease to be" << endl; - if (szWhatToSay) - { - cout << "CThingSayer::~CThingSayer: I will never say '" - << szWhatToSay << "' again" << endl; - } - szWhatToSay = (const char*)NULL; -} - -void CThingSayer::Initialize(const char *czSayThis) -{ - cout << "CThingSayer::Initialize: When told, I will say '" - << czSayThis << "'" << endl; - szWhatToSay = czSayThis; -} - -void CThingSayer::SayThing(void) -{ - cout << "CThingSayer::SayThing: I am now saying '" - << szWhatToSay << "'" << endl; -} - -///////////////////////////////////////////////////////////////////////////// -// Public Functions -///////////////////////////////////////////////////////////////////////////// - -int main(int argc, char **argv) -{ - // We should see the message from constructor, CThingSayer::CThingSayer(), - // BEFORE we see the following messages. That is proof that the - // C++ static initializer is working - - cout << "main: Started" << endl; - - // Tell MyThingSayer that "Hello, World!" is the string to be said - - cout << "main: Calling MyThingSayer.Initialize" << endl; - MyThingSayer.Initialize("Hello, World!"); - - // Tell MyThingSayer to say the thing we told it to say - - cout << "main: Calling MyThingSayer.SayThing" << endl; - MyThingSayer.SayThing(); - - // We are finished, return. We should see the message from the - // destructor, CThingSayer::~CThingSayer(), AFTER we see the following - // message. That is proof that the C++ static destructor logic - // is working - - cout << "main: Returning" << endl; - return 0; -} |