Marc Wäckerlin
21 years ago
parent
564c1f4ef3
commit
c456fa7006
19 changed files with 2577 additions and 0 deletions
@ -0,0 +1,50 @@ |
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AC_INIT([mrw/mrw.hpp]) |
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PACKAGENAME=mrw-c++ |
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MAJOR=0 |
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MINOR=01 |
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SUPPORT=alfa |
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AM_INIT_AUTOMAKE(@PACKAGENAME@, @MAJOR@.@MINOR@) |
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|
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# languages |
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AC_LANG(C++) |
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# programs |
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AC_PROG_CXX |
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AC_PROG_CPP |
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AC_PROG_INSTALL |
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AC_PROG_LN_S |
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AC_PROG_MAKE_SET |
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AC_PROG_LIBTOOL |
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AC_CHECK_PROG(have_doxygen, doxygen, yes, no) |
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AC_CHECK_PROG(have_dot, dot, yes, no) |
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|
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# libraries |
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#AC_SEARCH_LIBS(demangle, iberty) |
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#AC_SEARCH_LIBS(, bfd) |
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|
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# Arguments |
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AM_MAINTAINER_MODE |
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AC_ARG_ENABLE(dot, |
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[ --disable-dot disable dot graphic tools for documentation], |
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[have_dot="$enableval"]) |
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test "$enableval" = "yes" && HAVE_DOT="YES" || HAVE_DOT="NO"; |
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|
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# export macros |
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AC_SUBST(HAVE_DOT) |
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AC_SUBST(MAJOR) |
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AC_SUBST(MINOR) |
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AC_SUBST(SUPPORT) |
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AC_SUBST(PACKAGENAME) |
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|
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# create output |
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AC_CONFIG_FILES([makefile mrw/makefile mrw/doxyfile]) |
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|
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# infos and warnings |
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if test "$have_doxygen" = "no"; then |
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AC_MSG_WARN([Missing program doxygen! |
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- you cannot rebuild the documentation with make doc |
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- there are precompiled derieved files in the distribution]); fi |
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if test "$have_dot" = "no"; then |
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AC_MSG_WARN([Missing program dot! |
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- when you rebild documentation with make doc, there are no generated images |
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- there are precompiled derieved files in the distribution]); fi |
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@ -0,0 +1 @@ |
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SUBDIRS = mrw |
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@ -0,0 +1,31 @@ |
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#include <mrw/auto.hpp> |
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#include <unistd.h> // close |
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#include <sys/stat.h> // fstat |
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#include <sys/mman.h> // mmap |
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namespace mrw { |
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//----------------------------------------------------------------------------
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|
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AutoFile& AutoFile::reset(int fd) throw() { |
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if (_fd!=-1) close(_fd); |
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_fd = fd; |
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return *this; |
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} |
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|
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//----------------------------------------------------------------------------
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AutoMapper::AutoMapper(int fd, size_t sz, void* addr, |
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int prot, int flags, off_t off) throw() { |
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if (!(_sz=sz)) { |
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struct stat st; |
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if (fd==-1 || fstat(fd, &st)==-1) {release(); return;} |
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_sz = st.st_size; |
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} |
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if ((_cont=mmap(addr, _sz, prot, flags, fd, off))==MAP_FAILED) release(); |
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} |
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|
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//----------------------------------------------------------------------------
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AutoMapper::~AutoMapper() throw() { |
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if (_cont && _sz) munmap(_cont, _sz); |
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} |
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} |
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@ -0,0 +1,139 @@ |
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#ifndef __MRW_AUTO_HPP__ |
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#define __MRW_AUTO_HPP__ |
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#include <sys/types.h> // size_t |
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#include <sys/mman.h> // PROT_READ, MAP_SHARED |
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#include <bfd.h> // bfd* |
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namespace mrw { |
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/** @defgroup AutoTools Classes for Automated Resource Handling
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For pointers that have been allocated with @c new, you can use |
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std::auto_ptr to automatically free them when you leave the |
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context. Unfortunately there is no such thing for @c malloc |
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(except @c malloca that only works for a subset of problems: if |
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you and not a system call allocates memory), @c open and so on. |
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These classes can take over the resource ownership. |
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*/ |
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//@{
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/** @brief Automatically closes a file when destructed.
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AutoFile works exactly like std::auto_ptr, but not for files |
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instead of pointers. Whenever the context of AutoFile is left, |
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the opened file is close. This way, resources are freed even in |
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case of exceptions. |
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*/ |
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class AutoFile { |
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public: |
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/// @brief Construct from an opened file.
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/// @note Don't close @c fd
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explicit AutoFile(int fd = -1) throw(): _fd(fd) {} |
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/// @brief Takeover ownership from another AutoFile.
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AutoFile(AutoFile& o) throw(): _fd(o.release()) {} |
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/// @brief Closes file if open.
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~AutoFile() throw() {reset();} |
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/// @brief Assign new file descriptor.
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/// The old file of @c this is closed if open.
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AutoFile& operator=(int fd) throw() {return reset(fd);} |
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/// @brief Takeover ownership from another AutoFile.
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/// The old file of @c this is closed if open.
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AutoFile& operator=(AutoFile& other) throw() { |
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return reset(other.release()); |
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} |
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/// @brief get the file descriptor @return file descriptor
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operator const int() const throw() { |
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return _fd; |
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} |
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/// @brief Give away ownership of the file. @return old file descriptor
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int release() throw() { |
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int ret(_fd); _fd=-1; |
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return ret; |
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} |
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/// @brief assign a new file descriptor
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/** The old file of @c this is closed if open. */ |
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AutoFile& reset(int = -1) throw(); |
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private: |
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int _fd; ///< the file descriptor
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}; |
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/** @brief Automatically call @c munmap for mmaped files on destruction.
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It's the same as std::auto_ptr, but for @c mmap instead of @c |
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new. When the context of @c AutoMapper is left, @c munmap is |
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called. |
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*/ |
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class AutoMapper { |
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public: |
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AutoMapper(void* cont = 0, size_t sz = 0) throw(): |
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_cont(cont), _sz(sz) {} |
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AutoMapper(int, size_t=0, void* = 0, |
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int = PROT_READ, int = MAP_SHARED, off_t = 0) throw(); |
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~AutoMapper() throw(); |
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operator const void*() const throw() {return _cont;} |
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AutoMapper& set(void* cont, size_t sz) throw() { |
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_cont=cont; _sz=sz; |
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return *this; |
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} |
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void* release() throw() { |
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void* ret(_cont); _cont=0; _sz=0; |
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return ret; |
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} |
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const void* last() const throw() { |
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return _cont && _sz ? (void*)((size_t)_cont+_sz-1) : 0; |
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} |
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private: |
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void* _cont; |
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size_t _sz; |
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}; |
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/** @brief Automatically call @c bfd_close for @c bfd*.
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It acts like a @c std::auto_ptr, but for @c bfd*, that means it |
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calls @c bfd_close whenever the context is left. |
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*/ |
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class AutoBfd { |
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public: |
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AutoBfd(bfd* p=0) throw(): _bfd(p) {} |
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~AutoBfd() throw() {if (_bfd) bfd_close(_bfd);} |
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AutoBfd& operator=(bfd* p) throw() { |
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release(); _bfd=p; return *this; |
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} |
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AutoBfd& operator=(AutoBfd& o) throw() { |
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release(); _bfd=o.release(); return *this; |
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} |
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operator bfd*() throw() {return _bfd;} |
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bfd* operator->() throw() {return _bfd;} |
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bfd* release() throw() {bfd* res(_bfd); _bfd = 0; return res;} |
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private: |
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bfd* _bfd; |
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}; |
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/** @brief Automatically calls @c free for @c malloc allocated memory.
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It works like a @c std::auto_ptr, but for memory that was |
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allocated with @c malloc, not @c new. Memory is freed, whenever |
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the context od @c AutoFree is left. |
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*/ |
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template <class T> class AutoFree { |
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public: |
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AutoFree(T* p=0) throw(): _p(p) {} |
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AutoFree(AutoFree& o) throw(): _p(o.release()) {} |
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~AutoFree() throw() {if (_p) free(_p);} |
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AutoFree& operator=(T* p) throw() { |
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release(); _p=p; return *this; |
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} |
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AutoFree& operator=(AutoFree& o) throw() { |
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release(); _p=o.release(); return *this; |
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} |
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operator T*() {return _p;} |
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operator T**() {return &_p;} |
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operator bool() {return _p;} |
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T* release() throw() {T* r(_p); _p=0; return r;} |
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private: |
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T* _p; |
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}; |
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//@}
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} |
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#endif |
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@ -0,0 +1,46 @@ |
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#include <mrw/auto.hpp> |
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#include <cppunit/TestFixture.h> |
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#include <cppunit/ui/text/TestRunner.h> |
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#include <cppunit/extensions/HelperMacros.h> |
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#include <cppunit/extensions/TestFactoryRegistry.h> |
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#include <fcntl.h> // open |
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class AutoTest: public CppUnit::TestFixture {
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public:
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void AutoFile() { |
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char c(0); |
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int i(-1); |
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{ |
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mrw::AutoFile a; |
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CPPUNIT_ASSERT(a==-1); // init as -1
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i = a = open("test.dat", O_RDONLY); |
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CPPUNIT_ASSERT(i==a && a>0); // file is now open
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mrw::AutoFile b(a); |
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CPPUNIT_ASSERT(a==-1 && i==b); // b has taken ownership
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CPPUNIT_ASSERT(read(b, &c, 1)==1 && c=='H'); // file is good
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mrw::AutoFile c(i); |
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CPPUNIT_ASSERT(i==b && b==c); // ooops, two owner!
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c.release(); |
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CPPUNIT_ASSERT(i==b && c==-1); // it's ok now
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b = open("test.dat", O_RDONLY); |
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//close(i);
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CPPUNIT_ASSERT(read(i, &c, 1)==-1); // old file is closed
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i = b.reset(); |
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CPPUNIT_ASSERT(read(i, &c, 1)==-1); // new file is closed
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i = a = open("test.dat", O_RDONLY); |
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} |
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CPPUNIT_ASSERT(read(i, &c, 1)==-1); // file is closed now
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} |
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CPPUNIT_TEST_SUITE(AutoTest); |
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CPPUNIT_TEST(AutoFile); |
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CPPUNIT_TEST_SUITE_END(); |
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}; |
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CPPUNIT_TEST_SUITE_REGISTRATION(AutoTest); |
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int main() { |
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CppUnit::TextUi::TestRunner runner; |
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runner.addTest(CppUnit::TestFactoryRegistry::getRegistry().makeTest()); |
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return runner.run() ? 0 : 1; |
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} |
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static char* c = new char[100]; |
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@ -0,0 +1,41 @@ |
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#include <mrw/stacktrace.hpp> |
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#include <mrw/exception.hpp> |
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#include <exception> |
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#include <iostream> |
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namespace mrw { |
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/// @todo integrate it into the distribution and document it
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void unexpected() { |
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std::cerr<<"UNEXPECTED EXCEPTION: ----------------------------"<<std::endl; |
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try { |
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throw; |
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} catch (const mrw::exception& x) { |
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StackTrace::createSymtable(); |
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std::cerr<<"---------- Reason:"<<std::endl |
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<<x.what()<<std::endl |
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<<"---------- Stack:"<<std::endl |
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<<x.stacktrace()<<std::endl; |
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} catch (const std::exception& x) { |
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std::cerr<<"---------- Reason:"<<std::endl |
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<<x.what()<<std::endl |
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<<"---------- Stack: **** not available ****"<<std::endl; |
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} catch (...) { |
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std::cerr<<"---------- Reason: **** not available ****"<<std::endl |
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<<"---------- Stack: **** not available ****"<<std::endl; |
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} |
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std::cerr<<"-------------------------------------------------"<<std::endl; |
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throw std::bad_exception(); |
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} |
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class AutoStackTrace { |
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public: |
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AutoStackTrace() { |
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std::set_unexpected(&mrw::unexpected); |
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} |
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}; |
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// initialize stack traces (load symbols)
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static AutoStackTrace _autoStackTrace; |
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} |
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@ -0,0 +1,1101 @@ |
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# Doxyfile 1.3.2 |
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|
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# This file describes the settings to be used by the documentation system |
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# doxygen (www.doxygen.org) for a project |
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# |
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# All text after a hash (#) is considered a comment and will be ignored |
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# The format is: |
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# TAG = value [value, ...] |
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# For lists items can also be appended using: |
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# TAG += value [value, ...] |
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# Values that contain spaces should be placed between quotes (" ") |
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|
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#--------------------------------------------------------------------------- |
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# General configuration options |
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#--------------------------------------------------------------------------- |
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|
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# The PROJECT_NAME tag is a single word (or a sequence of words surrounded |
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# by quotes) that should identify the project. |
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PROJECT_NAME = "MRW C++ Library" |
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|
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# The PROJECT_NUMBER tag can be used to enter a project or revision number. |
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# This could be handy for archiving the generated documentation or |
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# if some version control system is used. |
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|
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PROJECT_NUMBER = experimental |
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|
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# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) |
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# base path where the generated documentation will be put. |
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# If a relative path is entered, it will be relative to the location |
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# where doxygen was started. If left blank the current directory will be used. |
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|
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OUTPUT_DIRECTORY = doc |
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|
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# The OUTPUT_LANGUAGE tag is used to specify the language in which all |
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# documentation generated by doxygen is written. Doxygen will use this |
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# information to generate all constant output in the proper language. |
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# The default language is English, other supported languages are: |
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# Brazilian, Catalan, Chinese, Chinese-Traditional, Croatian, Czech, Danish, Dutch, |
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# Finnish, French, German, Greek, Hungarian, Italian, Japanese, Japanese-en |
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# (Japanese with English messages), Korean, Norwegian, Polish, Portuguese, |
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# Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish, and Ukrainian. |
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|
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OUTPUT_LANGUAGE = English |
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|
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# This tag can be used to specify the encoding used in the generated output. |
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# The encoding is not always determined by the language that is chosen, |
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# but also whether or not the output is meant for Windows or non-Windows users. |
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# In case there is a difference, setting the USE_WINDOWS_ENCODING tag to YES |
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# forces the Windows encoding (this is the default for the Windows binary), |
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# whereas setting the tag to NO uses a Unix-style encoding (the default for |
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# all platforms other than Windows). |
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USE_WINDOWS_ENCODING = NO |
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|
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# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in |
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# documentation are documented, even if no documentation was available. |
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# Private class members and static file members will be hidden unless |
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# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES |
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|
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EXTRACT_ALL = NO |
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|
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# If the EXTRACT_PRIVATE tag is set to YES all private members of a class |
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# will be included in the documentation. |
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EXTRACT_PRIVATE = NO |
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# If the EXTRACT_STATIC tag is set to YES all static members of a file |
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# will be included in the documentation. |
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|
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EXTRACT_STATIC = NO |
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|
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# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) |
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# defined locally in source files will be included in the documentation. |
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# If set to NO only classes defined in header files are included. |
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|
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EXTRACT_LOCAL_CLASSES = NO |
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|
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# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all |
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# undocumented members of documented classes, files or namespaces. |
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# If set to NO (the default) these members will be included in the |
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# various overviews, but no documentation section is generated. |
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# This option has no effect if EXTRACT_ALL is enabled. |
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HIDE_UNDOC_MEMBERS = NO |
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# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all |
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# undocumented classes that are normally visible in the class hierarchy. |
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# If set to NO (the default) these classes will be included in the various |
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# overviews. This option has no effect if EXTRACT_ALL is enabled. |
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|
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HIDE_UNDOC_CLASSES = NO |
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|
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# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all |
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# friend (class|struct|union) declarations. |
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# If set to NO (the default) these declarations will be included in the |
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# documentation. |
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|
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HIDE_FRIEND_COMPOUNDS = NO |
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|
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# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any |
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# documentation blocks found inside the body of a function. |
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# If set to NO (the default) these blocks will be appended to the |
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# function's detailed documentation block. |
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|
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HIDE_IN_BODY_DOCS = NO |
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|
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# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will |
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# include brief member descriptions after the members that are listed in |
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# the file and class documentation (similar to JavaDoc). |
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# Set to NO to disable this. |
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BRIEF_MEMBER_DESC = YES |
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|
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# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend |
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# the brief description of a member or function before the detailed description. |
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# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the |
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# brief descriptions will be completely suppressed. |
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|
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REPEAT_BRIEF = YES |
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|
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# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then |
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# Doxygen will generate a detailed section even if there is only a brief |
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# description. |
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|
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ALWAYS_DETAILED_SEC = NO |
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|
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# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all inherited |
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# members of a class in the documentation of that class as if those members were |
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# ordinary class members. Constructors, destructors and assignment operators of |
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# the base classes will not be shown. |
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INLINE_INHERITED_MEMB = NO |
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|
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# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full |
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# path before files name in the file list and in the header files. If set |
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# to NO the shortest path that makes the file name unique will be used. |
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|
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FULL_PATH_NAMES = YES |
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|
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# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag |
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# can be used to strip a user-defined part of the path. Stripping is |
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# only done if one of the specified strings matches the left-hand part of |
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# the path. It is allowed to use relative paths in the argument list. |
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STRIP_FROM_PATH = ../ |
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|
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# The INTERNAL_DOCS tag determines if documentation |
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# that is typed after a \internal command is included. If the tag is set |
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# to NO (the default) then the documentation will be excluded. |
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# Set it to YES to include the internal documentation. |
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INTERNAL_DOCS = NO |
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|
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# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate |
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# file names in lower-case letters. If set to YES upper-case letters are also |
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# allowed. This is useful if you have classes or files whose names only differ |
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# in case and if your file system supports case sensitive file names. Windows |
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# users are advised to set this option to NO. |
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CASE_SENSE_NAMES = YES |
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# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter |
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# (but less readable) file names. This can be useful is your file systems |
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# doesn't support long names like on DOS, Mac, or CD-ROM. |
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|
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SHORT_NAMES = NO |
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|
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# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen |
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# will show members with their full class and namespace scopes in the |
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# documentation. If set to YES the scope will be hidden. |
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|
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HIDE_SCOPE_NAMES = NO |
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|
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# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen |
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# will put a list of the files that are included by a file in the documentation |
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# of that file. |
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|
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SHOW_INCLUDE_FILES = YES |
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|
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# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen |
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# will interpret the first line (until the first dot) of a JavaDoc-style |
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# comment as the brief description. If set to NO, the JavaDoc |
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# comments will behave just like the Qt-style comments (thus requiring an |
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# explict @brief command for a brief description. |
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JAVADOC_AUTOBRIEF = NO |
||||
|
||||
# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen |
||||
# treat a multi-line C++ special comment block (i.e. a block of //! or /// |
||||
# comments) as a brief description. This used to be the default behaviour. |
||||
# The new default is to treat a multi-line C++ comment block as a detailed |
||||
# description. Set this tag to YES if you prefer the old behaviour instead. |
||||
|
||||
MULTILINE_CPP_IS_BRIEF = NO |
||||
|
||||
# If the DETAILS_AT_TOP tag is set to YES then Doxygen |
||||
# will output the detailed description near the top, like JavaDoc. |
||||
# If set to NO, the detailed description appears after the member |
||||
# documentation. |
||||
|
||||
DETAILS_AT_TOP = YES |
||||
|
||||
# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented |
||||
# member inherits the documentation from any documented member that it |
||||
# reimplements. |
||||
|
||||
INHERIT_DOCS = YES |
||||
|
||||
# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] |
||||
# is inserted in the documentation for inline members. |
||||
|
||||
INLINE_INFO = YES |
||||
|
||||
# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen |
||||
# will sort the (detailed) documentation of file and class members |
||||
# alphabetically by member name. If set to NO the members will appear in |
||||
# declaration order. |
||||
|
||||
SORT_MEMBER_DOCS = YES |
||||
|
||||
# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC |
||||
# tag is set to YES, then doxygen will reuse the documentation of the first |
||||
# member in the group (if any) for the other members of the group. By default |
||||
# all members of a group must be documented explicitly. |
||||
|
||||
DISTRIBUTE_GROUP_DOC = NO |
||||
|
||||
# The TAB_SIZE tag can be used to set the number of spaces in a tab. |
||||
# Doxygen uses this value to replace tabs by spaces in code fragments. |
||||
|
||||
TAB_SIZE = 8 |
||||
|
||||
# The GENERATE_TODOLIST tag can be used to enable (YES) or |
||||
# disable (NO) the todo list. This list is created by putting \todo |
||||
# commands in the documentation. |
||||
|
||||
GENERATE_TODOLIST = YES |
||||
|
||||
# The GENERATE_TESTLIST tag can be used to enable (YES) or |
||||
# disable (NO) the test list. This list is created by putting \test |
||||
# commands in the documentation. |
||||
|
||||
GENERATE_TESTLIST = YES |
||||
|
||||
# The GENERATE_BUGLIST tag can be used to enable (YES) or |
||||
# disable (NO) the bug list. This list is created by putting \bug |
||||
# commands in the documentation. |
||||
|
||||
GENERATE_BUGLIST = YES |
||||
|
||||
# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or |
||||
# disable (NO) the deprecated list. This list is created by putting |
||||
# \deprecated commands in the documentation. |
||||
|
||||
GENERATE_DEPRECATEDLIST= YES |
||||
|
||||
# This tag can be used to specify a number of aliases that acts |
||||
# as commands in the documentation. An alias has the form "name=value". |
||||
# For example adding "sideeffect=\par Side Effects:\n" will allow you to |
||||
# put the command \sideeffect (or @sideeffect) in the documentation, which |
||||
# will result in a user-defined paragraph with heading "Side Effects:". |
||||
# You can put \n's in the value part of an alias to insert newlines. |
||||
|
||||
ALIASES = |
||||
|
||||
# The ENABLED_SECTIONS tag can be used to enable conditional |
||||
# documentation sections, marked by \if sectionname ... \endif. |
||||
|
||||
ENABLED_SECTIONS = |
||||
|
||||
# The MAX_INITIALIZER_LINES tag determines the maximum number of lines |
||||
# the initial value of a variable or define consists of for it to appear in |
||||
# the documentation. If the initializer consists of more lines than specified |
||||
# here it will be hidden. Use a value of 0 to hide initializers completely. |
||||
# The appearance of the initializer of individual variables and defines in the |
||||
# documentation can be controlled using \showinitializer or \hideinitializer |
||||
# command in the documentation regardless of this setting. |
||||
|
||||
MAX_INITIALIZER_LINES = 30 |
||||
|
||||
# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources |
||||
# only. Doxygen will then generate output that is more tailored for C. |
||||
# For instance, some of the names that are used will be different. The list |
||||
# of all members will be omitted, etc. |
||||
|
||||
OPTIMIZE_OUTPUT_FOR_C = NO |
||||
|
||||
# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java sources |
||||
# only. Doxygen will then generate output that is more tailored for Java. |
||||
# For instance, namespaces will be presented as packages, qualified scopes |
||||
# will look different, etc. |
||||
|
||||
OPTIMIZE_OUTPUT_JAVA = NO |
||||
|
||||
# Set the SHOW_USED_FILES tag to NO to disable the list of files generated |
||||
# at the bottom of the documentation of classes and structs. If set to YES the |
||||
# list will mention the files that were used to generate the documentation. |
||||
|
||||
SHOW_USED_FILES = YES |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to warning and progress messages |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# The QUIET tag can be used to turn on/off the messages that are generated |
||||
# by doxygen. Possible values are YES and NO. If left blank NO is used. |
||||
|
||||
QUIET = NO |
||||
|
||||
# The WARNINGS tag can be used to turn on/off the warning messages that are |
||||
# generated by doxygen. Possible values are YES and NO. If left blank |
||||
# NO is used. |
||||
|
||||
WARNINGS = YES |
||||
|
||||
# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings |
||||
# for undocumented members. If EXTRACT_ALL is set to YES then this flag will |
||||
# automatically be disabled. |
||||
|
||||
WARN_IF_UNDOCUMENTED = NO |
||||
|
||||
# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for |
||||
# potential errors in the documentation, such as not documenting some |
||||
# parameters in a documented function, or documenting parameters that |
||||
# don't exist or using markup commands wrongly. |
||||
|
||||
WARN_IF_DOC_ERROR = YES |
||||
|
||||
# The WARN_FORMAT tag determines the format of the warning messages that |
||||
# doxygen can produce. The string should contain the $file, $line, and $text |
||||
# tags, which will be replaced by the file and line number from which the |
||||
# warning originated and the warning text. |
||||
|
||||
WARN_FORMAT = "$file:$line: $text" |
||||
|
||||
# The WARN_LOGFILE tag can be used to specify a file to which warning |
||||
# and error messages should be written. If left blank the output is written |
||||
# to stderr. |
||||
|
||||
WARN_LOGFILE = doxygen.errors |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the input files |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# The INPUT tag can be used to specify the files and/or directories that contain |
||||
# documented source files. You may enter file names like "myfile.cpp" or |
||||
# directories like "/usr/src/myproject". Separate the files or directories |
||||
# with spaces. |
||||
|
||||
INPUT = ../mrw |
||||
|
||||
# If the value of the INPUT tag contains directories, you can use the |
||||
# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp |
||||
# and *.h) to filter out the source-files in the directories. If left |
||||
# blank the following patterns are tested: |
||||
# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx *.hpp |
||||
# *.h++ *.idl *.odl *.cs |
||||
|
||||
FILE_PATTERNS = |
||||
|
||||
# The RECURSIVE tag can be used to turn specify whether or not subdirectories |
||||
# should be searched for input files as well. Possible values are YES and NO. |
||||
# If left blank NO is used. |
||||
|
||||
RECURSIVE = NO |
||||
|
||||
# The EXCLUDE tag can be used to specify files and/or directories that should |
||||
# excluded from the INPUT source files. This way you can easily exclude a |
||||
# subdirectory from a directory tree whose root is specified with the INPUT tag. |
||||
|
||||
EXCLUDE = |
||||
|
||||
# The EXCLUDE_SYMLINKS tag can be used select whether or not files or directories |
||||
# that are symbolic links (a Unix filesystem feature) are excluded from the input. |
||||
|
||||
EXCLUDE_SYMLINKS = NO |
||||
|
||||
# If the value of the INPUT tag contains directories, you can use the |
||||
# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude |
||||
# certain files from those directories. |
||||
|
||||
EXCLUDE_PATTERNS = |
||||
|
||||
# The EXAMPLE_PATH tag can be used to specify one or more files or |
||||
# directories that contain example code fragments that are included (see |
||||
# the \include command). |
||||
|
||||
EXAMPLE_PATH = examples |
||||
|
||||
# If the value of the EXAMPLE_PATH tag contains directories, you can use the |
||||
# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp |
||||
# and *.h) to filter out the source-files in the directories. If left |
||||
# blank all files are included. |
||||
|
||||
EXAMPLE_PATTERNS = |
||||
|
||||
# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be |
||||
# searched for input files to be used with the \include or \dontinclude |
||||
# commands irrespective of the value of the RECURSIVE tag. |
||||
# Possible values are YES and NO. If left blank NO is used. |
||||
|
||||
EXAMPLE_RECURSIVE = NO |
||||
|
||||
# The IMAGE_PATH tag can be used to specify one or more files or |
||||
# directories that contain image that are included in the documentation (see |
||||
# the \image command). |
||||
|
||||
IMAGE_PATH = |
||||
|
||||
# The INPUT_FILTER tag can be used to specify a program that doxygen should |
||||
# invoke to filter for each input file. Doxygen will invoke the filter program |
||||
# by executing (via popen()) the command <filter> <input-file>, where <filter> |
||||
# is the value of the INPUT_FILTER tag, and <input-file> is the name of an |
||||
# input file. Doxygen will then use the output that the filter program writes |
||||
# to standard output. |
||||
|
||||
INPUT_FILTER = |
||||
|
||||
# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using |
||||
# INPUT_FILTER) will be used to filter the input files when producing source |
||||
# files to browse (i.e. when SOURCE_BROWSER is set to YES). |
||||
|
||||
FILTER_SOURCE_FILES = NO |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to source browsing |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the SOURCE_BROWSER tag is set to YES then a list of source files will |
||||
# be generated. Documented entities will be cross-referenced with these sources. |
||||
|
||||
SOURCE_BROWSER = NO |
||||
|
||||
# Setting the INLINE_SOURCES tag to YES will include the body |
||||
# of functions and classes directly in the documentation. |
||||
|
||||
INLINE_SOURCES = NO |
||||
|
||||
# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct |
||||
# doxygen to hide any special comment blocks from generated source code |
||||
# fragments. Normal C and C++ comments will always remain visible. |
||||
|
||||
STRIP_CODE_COMMENTS = YES |
||||
|
||||
# If the REFERENCED_BY_RELATION tag is set to YES (the default) |
||||
# then for each documented function all documented |
||||
# functions referencing it will be listed. |
||||
|
||||
REFERENCED_BY_RELATION = YES |
||||
|
||||
# If the REFERENCES_RELATION tag is set to YES (the default) |
||||
# then for each documented function all documented entities |
||||
# called/used by that function will be listed. |
||||
|
||||
REFERENCES_RELATION = YES |
||||
|
||||
# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen |
||||
# will generate a verbatim copy of the header file for each class for |
||||
# which an include is specified. Set to NO to disable this. |
||||
|
||||
VERBATIM_HEADERS = YES |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the alphabetical class index |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index |
||||
# of all compounds will be generated. Enable this if the project |
||||
# contains a lot of classes, structs, unions or interfaces. |
||||
|
||||
ALPHABETICAL_INDEX = YES |
||||
|
||||
# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then |
||||
# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns |
||||
# in which this list will be split (can be a number in the range [1..20]) |
||||
|
||||
COLS_IN_ALPHA_INDEX = 5 |
||||
|
||||
# In case all classes in a project start with a common prefix, all |
||||
# classes will be put under the same header in the alphabetical index. |
||||
# The IGNORE_PREFIX tag can be used to specify one or more prefixes that |
||||
# should be ignored while generating the index headers. |
||||
|
||||
IGNORE_PREFIX = |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the HTML output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_HTML tag is set to YES (the default) Doxygen will |
||||
# generate HTML output. |
||||
|
||||
GENERATE_HTML = YES |
||||
|
||||
# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. |
||||
# If a relative path is entered the value of OUTPUT_DIRECTORY will be |
||||
# put in front of it. If left blank `html' will be used as the default path. |
||||
|
||||
HTML_OUTPUT = html |
||||
|
||||
# The HTML_FILE_EXTENSION tag can be used to specify the file extension for |
||||
# each generated HTML page (for example: .htm,.php,.asp). If it is left blank |
||||
# doxygen will generate files with .html extension. |
||||
|
||||
HTML_FILE_EXTENSION = .html |
||||
|
||||
# The HTML_HEADER tag can be used to specify a personal HTML header for |
||||
# each generated HTML page. If it is left blank doxygen will generate a |
||||
# standard header. |
||||
|
||||
HTML_HEADER = |
||||
|
||||
# The HTML_FOOTER tag can be used to specify a personal HTML footer for |
||||
# each generated HTML page. If it is left blank doxygen will generate a |
||||
# standard footer. |
||||
|
||||
HTML_FOOTER = |
||||
|
||||
# The HTML_STYLESHEET tag can be used to specify a user-defined cascading |
||||
# style sheet that is used by each HTML page. It can be used to |
||||
# fine-tune the look of the HTML output. If the tag is left blank doxygen |
||||
# will generate a default style sheet |
||||
|
||||
HTML_STYLESHEET = |
||||
|
||||
# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, |
||||
# files or namespaces will be aligned in HTML using tables. If set to |
||||
# NO a bullet list will be used. |
||||
|
||||
HTML_ALIGN_MEMBERS = YES |
||||
|
||||
# If the GENERATE_HTMLHELP tag is set to YES, additional index files |
||||
# will be generated that can be used as input for tools like the |
||||
# Microsoft HTML help workshop to generate a compressed HTML help file (.chm) |
||||
# of the generated HTML documentation. |
||||
|
||||
GENERATE_HTMLHELP = NO |
||||
|
||||
# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can |
||||
# be used to specify the file name of the resulting .chm file. You |
||||
# can add a path in front of the file if the result should not be |
||||
# written to the html output dir. |
||||
|
||||
CHM_FILE = |
||||
|
||||
# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can |
||||
# be used to specify the location (absolute path including file name) of |
||||
# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run |
||||
# the HTML help compiler on the generated index.hhp. |
||||
|
||||
HHC_LOCATION = |
||||
|
||||
# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag |
||||
# controls if a separate .chi index file is generated (YES) or that |
||||
# it should be included in the master .chm file (NO). |
||||
|
||||
GENERATE_CHI = NO |
||||
|
||||
# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag |
||||
# controls whether a binary table of contents is generated (YES) or a |
||||
# normal table of contents (NO) in the .chm file. |
||||
|
||||
BINARY_TOC = NO |
||||
|
||||
# The TOC_EXPAND flag can be set to YES to add extra items for group members |
||||
# to the contents of the HTML help documentation and to the tree view. |
||||
|
||||
TOC_EXPAND = NO |
||||
|
||||
# The DISABLE_INDEX tag can be used to turn on/off the condensed index at |
||||
# top of each HTML page. The value NO (the default) enables the index and |
||||
# the value YES disables it. |
||||
|
||||
DISABLE_INDEX = NO |
||||
|
||||
# This tag can be used to set the number of enum values (range [1..20]) |
||||
# that doxygen will group on one line in the generated HTML documentation. |
||||
|
||||
ENUM_VALUES_PER_LINE = 4 |
||||
|
||||
# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be |
||||
# generated containing a tree-like index structure (just like the one that |
||||
# is generated for HTML Help). For this to work a browser that supports |
||||
# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, |
||||
# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are |
||||
# probably better off using the HTML help feature. |
||||
|
||||
GENERATE_TREEVIEW = NO |
||||
|
||||
# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be |
||||
# used to set the initial width (in pixels) of the frame in which the tree |
||||
# is shown. |
||||
|
||||
TREEVIEW_WIDTH = 250 |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the LaTeX output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will |
||||
# generate Latex output. |
||||
|
||||
GENERATE_LATEX = NO |
||||
|
||||
# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. |
||||
# If a relative path is entered the value of OUTPUT_DIRECTORY will be |
||||
# put in front of it. If left blank `latex' will be used as the default path. |
||||
|
||||
LATEX_OUTPUT = latex |
||||
|
||||
# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be |
||||
# invoked. If left blank `latex' will be used as the default command name. |
||||
|
||||
LATEX_CMD_NAME = latex |
||||
|
||||
# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to |
||||
# generate index for LaTeX. If left blank `makeindex' will be used as the |
||||
# default command name. |
||||
|
||||
MAKEINDEX_CMD_NAME = makeindex |
||||
|
||||
# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact |
||||
# LaTeX documents. This may be useful for small projects and may help to |
||||
# save some trees in general. |
||||
|
||||
COMPACT_LATEX = NO |
||||
|
||||
# The PAPER_TYPE tag can be used to set the paper type that is used |
||||
# by the printer. Possible values are: a4, a4wide, letter, legal and |
||||
# executive. If left blank a4wide will be used. |
||||
|
||||
PAPER_TYPE = a4wide |
||||
|
||||
# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX |
||||
# packages that should be included in the LaTeX output. |
||||
|
||||
EXTRA_PACKAGES = |
||||
|
||||
# The LATEX_HEADER tag can be used to specify a personal LaTeX header for |
||||
# the generated latex document. The header should contain everything until |
||||
# the first chapter. If it is left blank doxygen will generate a |
||||
# standard header. Notice: only use this tag if you know what you are doing! |
||||
|
||||
LATEX_HEADER = |
||||
|
||||
# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated |
||||
# is prepared for conversion to pdf (using ps2pdf). The pdf file will |
||||
# contain links (just like the HTML output) instead of page references |
||||
# This makes the output suitable for online browsing using a pdf viewer. |
||||
|
||||
PDF_HYPERLINKS = NO |
||||
|
||||
# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of |
||||
# plain latex in the generated Makefile. Set this option to YES to get a |
||||
# higher quality PDF documentation. |
||||
|
||||
USE_PDFLATEX = NO |
||||
|
||||
# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. |
||||
# command to the generated LaTeX files. This will instruct LaTeX to keep |
||||
# running if errors occur, instead of asking the user for help. |
||||
# This option is also used when generating formulas in HTML. |
||||
|
||||
LATEX_BATCHMODE = NO |
||||
|
||||
# If LATEX_HIDE_INDICES is set to YES then doxygen will not |
||||
# include the index chapters (such as File Index, Compound Index, etc.) |
||||
# in the output. |
||||
|
||||
LATEX_HIDE_INDICES = NO |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the RTF output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output |
||||
# The RTF output is optimised for Word 97 and may not look very pretty with |
||||
# other RTF readers or editors. |
||||
|
||||
GENERATE_RTF = NO |
||||
|
||||
# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. |
||||
# If a relative path is entered the value of OUTPUT_DIRECTORY will be |
||||
# put in front of it. If left blank `rtf' will be used as the default path. |
||||
|
||||
RTF_OUTPUT = rtf |
||||
|
||||
# If the COMPACT_RTF tag is set to YES Doxygen generates more compact |
||||
# RTF documents. This may be useful for small projects and may help to |
||||
# save some trees in general. |
||||
|
||||
COMPACT_RTF = NO |
||||
|
||||
# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated |
||||
# will contain hyperlink fields. The RTF file will |
||||
# contain links (just like the HTML output) instead of page references. |
||||
# This makes the output suitable for online browsing using WORD or other |
||||
# programs which support those fields. |
||||
# Note: wordpad (write) and others do not support links. |
||||
|
||||
RTF_HYPERLINKS = NO |
||||
|
||||
# Load stylesheet definitions from file. Syntax is similar to doxygen's |
||||
# config file, i.e. a series of assigments. You only have to provide |
||||
# replacements, missing definitions are set to their default value. |
||||
|
||||
RTF_STYLESHEET_FILE = |
||||
|
||||
# Set optional variables used in the generation of an rtf document. |
||||
# Syntax is similar to doxygen's config file. |
||||
|
||||
RTF_EXTENSIONS_FILE = |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the man page output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_MAN tag is set to YES (the default) Doxygen will |
||||
# generate man pages |
||||
|
||||
GENERATE_MAN = NO |
||||
|
||||
# The MAN_OUTPUT tag is used to specify where the man pages will be put. |
||||
# If a relative path is entered the value of OUTPUT_DIRECTORY will be |
||||
# put in front of it. If left blank `man' will be used as the default path. |
||||
|
||||
MAN_OUTPUT = man |
||||
|
||||
# The MAN_EXTENSION tag determines the extension that is added to |
||||
# the generated man pages (default is the subroutine's section .3) |
||||
|
||||
MAN_EXTENSION = .3 |
||||
|
||||
# If the MAN_LINKS tag is set to YES and Doxygen generates man output, |
||||
# then it will generate one additional man file for each entity |
||||
# documented in the real man page(s). These additional files |
||||
# only source the real man page, but without them the man command |
||||
# would be unable to find the correct page. The default is NO. |
||||
|
||||
MAN_LINKS = NO |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the XML output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_XML tag is set to YES Doxygen will |
||||
# generate an XML file that captures the structure of |
||||
# the code including all documentation. Note that this |
||||
# feature is still experimental and incomplete at the |
||||
# moment. |
||||
|
||||
GENERATE_XML = NO |
||||
|
||||
# The XML_OUTPUT tag is used to specify where the XML pages will be put. |
||||
# If a relative path is entered the value of OUTPUT_DIRECTORY will be |
||||
# put in front of it. If left blank `xml' will be used as the default path. |
||||
|
||||
XML_OUTPUT = xml |
||||
|
||||
# The XML_SCHEMA tag can be used to specify an XML schema, |
||||
# which can be used by a validating XML parser to check the |
||||
# syntax of the XML files. |
||||
|
||||
XML_SCHEMA = |
||||
|
||||
# The XML_DTD tag can be used to specify an XML DTD, |
||||
# which can be used by a validating XML parser to check the |
||||
# syntax of the XML files. |
||||
|
||||
XML_DTD = |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options for the AutoGen Definitions output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will |
||||
# generate an AutoGen Definitions (see autogen.sf.net) file |
||||
# that captures the structure of the code including all |
||||
# documentation. Note that this feature is still experimental |
||||
# and incomplete at the moment. |
||||
|
||||
GENERATE_AUTOGEN_DEF = NO |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# configuration options related to the Perl module output |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the GENERATE_PERLMOD tag is set to YES Doxygen will |
||||
# generate a Perl module file that captures the structure of |
||||
# the code including all documentation. Note that this |
||||
# feature is still experimental and incomplete at the |
||||
# moment. |
||||
|
||||
GENERATE_PERLMOD = NO |
||||
|
||||
# If the PERLMOD_LATEX tag is set to YES Doxygen will generate |
||||
# the necessary Makefile rules, Perl scripts and LaTeX code to be able |
||||
# to generate PDF and DVI output from the Perl module output. |
||||
|
||||
PERLMOD_LATEX = NO |
||||
|
||||
# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be |
||||
# nicely formatted so it can be parsed by a human reader. This is useful |
||||
# if you want to understand what is going on. On the other hand, if this |
||||
# tag is set to NO the size of the Perl module output will be much smaller |
||||
# and Perl will parse it just the same. |
||||
|
||||
PERLMOD_PRETTY = YES |
||||
|
||||
# The names of the make variables in the generated doxyrules.make file |
||||
# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. |
||||
# This is useful so different doxyrules.make files included by the same |
||||
# Makefile don't overwrite each other's variables. |
||||
|
||||
PERLMOD_MAKEVAR_PREFIX = |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# Configuration options related to the preprocessor |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will |
||||
# evaluate all C-preprocessor directives found in the sources and include |
||||
# files. |
||||
|
||||
ENABLE_PREPROCESSING = YES |
||||
|
||||
# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro |
||||
# names in the source code. If set to NO (the default) only conditional |
||||
# compilation will be performed. Macro expansion can be done in a controlled |
||||
# way by setting EXPAND_ONLY_PREDEF to YES. |
||||
|
||||
MACRO_EXPANSION = NO |
||||
|
||||
# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES |
||||
# then the macro expansion is limited to the macros specified with the |
||||
# PREDEFINED and EXPAND_AS_PREDEFINED tags. |
||||
|
||||
EXPAND_ONLY_PREDEF = NO |
||||
|
||||
# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files |
||||
# in the INCLUDE_PATH (see below) will be search if a #include is found. |
||||
|
||||
SEARCH_INCLUDES = YES |
||||
|
||||
# The INCLUDE_PATH tag can be used to specify one or more directories that |
||||
# contain include files that are not input files but should be processed by |
||||
# the preprocessor. |
||||
|
||||
INCLUDE_PATH = |
||||
|
||||
# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard |
||||
# patterns (like *.h and *.hpp) to filter out the header-files in the |
||||
# directories. If left blank, the patterns specified with FILE_PATTERNS will |
||||
# be used. |
||||
|
||||
INCLUDE_FILE_PATTERNS = |
||||
|
||||
# The PREDEFINED tag can be used to specify one or more macro names that |
||||
# are defined before the preprocessor is started (similar to the -D option of |
||||
# gcc). The argument of the tag is a list of macros of the form: name |
||||
# or name=definition (no spaces). If the definition and the = are |
||||
# omitted =1 is assumed. |
||||
|
||||
PREDEFINED = |
||||
|
||||
# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then |
||||
# this tag can be used to specify a list of macro names that should be expanded. |
||||
# The macro definition that is found in the sources will be used. |
||||
# Use the PREDEFINED tag if you want to use a different macro definition. |
||||
|
||||
EXPAND_AS_DEFINED = |
||||
|
||||
# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then |
||||
# doxygen's preprocessor will remove all function-like macros that are alone |
||||
# on a line, have an all uppercase name, and do not end with a semicolon. Such |
||||
# function macros are typically used for boiler-plate code, and will confuse the |
||||
# parser if not removed. |
||||
|
||||
SKIP_FUNCTION_MACROS = YES |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# Configuration::addtions related to external references |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# The TAGFILES option can be used to specify one or more tagfiles. |
||||
# Optionally an initial location of the external documentation |
||||
# can be added for each tagfile. The format of a tag file without |
||||
# this location is as follows: |
||||
# TAGFILES = file1 file2 ... |
||||
# Adding location for the tag files is done as follows: |
||||
# TAGFILES = file1=loc1 "file2 = loc2" ... |
||||
# where "loc1" and "loc2" can be relative or absolute paths or |
||||
# URLs. If a location is present for each tag, the installdox tool |
||||
# does not have to be run to correct the links. |
||||
# Note that each tag file must have a unique name |
||||
# (where the name does NOT include the path) |
||||
# If a tag file is not located in the directory in which doxygen |
||||
# is run, you must also specify the path to the tagfile here. |
||||
|
||||
TAGFILES = |
||||
|
||||
# When a file name is specified after GENERATE_TAGFILE, doxygen will create |
||||
# a tag file that is based on the input files it reads. |
||||
|
||||
GENERATE_TAGFILE = |
||||
|
||||
# If the ALLEXTERNALS tag is set to YES all external classes will be listed |
||||
# in the class index. If set to NO only the inherited external classes |
||||
# will be listed. |
||||
|
||||
ALLEXTERNALS = NO |
||||
|
||||
# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed |
||||
# in the modules index. If set to NO, only the current project's groups will |
||||
# be listed. |
||||
|
||||
EXTERNAL_GROUPS = YES |
||||
|
||||
# The PERL_PATH should be the absolute path and name of the perl script |
||||
# interpreter (i.e. the result of `which perl'). |
||||
|
||||
PERL_PATH = /usr/bin/perl |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# Configuration options related to the dot tool |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will |
||||
# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base or |
||||
# super classes. Setting the tag to NO turns the diagrams off. Note that this |
||||
# option is superceded by the HAVE_DOT option below. This is only a fallback. It is |
||||
# recommended to install and use dot, since it yields more powerful graphs. |
||||
|
||||
CLASS_DIAGRAMS = YES |
||||
|
||||
# If set to YES, the inheritance and collaboration graphs will hide |
||||
# inheritance and usage relations if the target is undocumented |
||||
# or is not a class. |
||||
|
||||
HIDE_UNDOC_RELATIONS = NO |
||||
|
||||
# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is |
||||
# available from the path. This tool is part of Graphviz, a graph visualization |
||||
# toolkit from AT&T and Lucent Bell Labs. The other options in this section |
||||
# have no effect if this option is set to NO (the default) |
||||
|
||||
HAVE_DOT = @HAVE_DOT@ |
||||
|
||||
# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen |
||||
# will generate a graph for each documented class showing the direct and |
||||
# indirect inheritance relations. Setting this tag to YES will force the |
||||
# the CLASS_DIAGRAMS tag to NO. |
||||
|
||||
CLASS_GRAPH = YES |
||||
|
||||
# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen |
||||
# will generate a graph for each documented class showing the direct and |
||||
# indirect implementation dependencies (inheritance, containment, and |
||||
# class references variables) of the class with other documented classes. |
||||
|
||||
COLLABORATION_GRAPH = NO |
||||
|
||||
# If the UML_LOOK tag is set to YES doxygen will generate inheritance and |
||||
# colloborations diagrams in a style similiar to the OMG's Unified Modeling |
||||
# Language. |
||||
|
||||
UML_LOOK = NO |
||||
|
||||
# If set to YES, the inheritance and collaboration graphs will show the |
||||
# relations between templates and their instances. |
||||
|
||||
TEMPLATE_RELATIONS = YES |
||||
|
||||
# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT |
||||
# tags are set to YES then doxygen will generate a graph for each documented |
||||
# file showing the direct and indirect include dependencies of the file with |
||||
# other documented files. |
||||
|
||||
INCLUDE_GRAPH = NO |
||||
|
||||
# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and |
||||
# HAVE_DOT tags are set to YES then doxygen will generate a graph for each |
||||
# documented header file showing the documented files that directly or |
||||
# indirectly include this file. |
||||
|
||||
INCLUDED_BY_GRAPH = NO |
||||
|
||||
# If the CALL_GRAPH and HAVE_DOT tags are set to YES then doxygen will |
||||
# generate a call dependency graph for every global function or class method. |
||||
# Note that enabling this option will significantly increase the time of a run. |
||||
# So in most cases it will be better to enable call graphs for selected |
||||
# functions only using the \callgraph command. |
||||
|
||||
CALL_GRAPH = NO |
||||
|
||||
# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen |
||||
# will graphical hierarchy of all classes instead of a textual one. |
||||
|
||||
GRAPHICAL_HIERARCHY = YES |
||||
|
||||
# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images |
||||
# generated by dot. Possible values are png, jpg, or gif |
||||
# If left blank png will be used. |
||||
|
||||
DOT_IMAGE_FORMAT = png |
||||
|
||||
# The tag DOT_PATH can be used to specify the path where the dot tool can be |
||||
# found. If left blank, it is assumed the dot tool can be found on the path. |
||||
|
||||
DOT_PATH = |
||||
|
||||
# The DOTFILE_DIRS tag can be used to specify one or more directories that |
||||
# contain dot files that are included in the documentation (see the |
||||
# \dotfile command). |
||||
|
||||
DOTFILE_DIRS = |
||||
|
||||
# The MAX_DOT_GRAPH_WIDTH tag can be used to set the maximum allowed width |
||||
# (in pixels) of the graphs generated by dot. If a graph becomes larger than |
||||
# this value, doxygen will try to truncate the graph, so that it fits within |
||||
# the specified constraint. Beware that most browsers cannot cope with very |
||||
# large images. |
||||
|
||||
MAX_DOT_GRAPH_WIDTH = 800 |
||||
|
||||
# The MAX_DOT_GRAPH_HEIGHT tag can be used to set the maximum allows height |
||||
# (in pixels) of the graphs generated by dot. If a graph becomes larger than |
||||
# this value, doxygen will try to truncate the graph, so that it fits within |
||||
# the specified constraint. Beware that most browsers cannot cope with very |
||||
# large images. |
||||
|
||||
MAX_DOT_GRAPH_HEIGHT = 800 |
||||
|
||||
# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the |
||||
# graphs generated by dot. A depth value of 3 means that only nodes reachable |
||||
# from the root by following a path via at most 3 edges will be shown. Nodes that |
||||
# lay further from the root node will be omitted. Note that setting this option to |
||||
# 1 or 2 may greatly reduce the computation time needed for large code bases. Also |
||||
# note that a graph may be further truncated if the graph's image dimensions are |
||||
# not sufficient to fit the graph (see MAX_DOT_GRAPH_WIDTH and MAX_DOT_GRAPH_HEIGHT). |
||||
# If 0 is used for the depth value (the default), the graph is not depth-constrained. |
||||
|
||||
MAX_DOT_GRAPH_DEPTH = 0 |
||||
|
||||
# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will |
||||
# generate a legend page explaining the meaning of the various boxes and |
||||
# arrows in the dot generated graphs. |
||||
|
||||
GENERATE_LEGEND = YES |
||||
|
||||
# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will |
||||
# remove the intermediate dot files that are used to generate |
||||
# the various graphs. |
||||
|
||||
DOT_CLEANUP = YES |
||||
|
||||
#--------------------------------------------------------------------------- |
||||
# Configuration::addtions related to the search engine |
||||
#--------------------------------------------------------------------------- |
||||
|
||||
# The SEARCHENGINE tag specifies whether or not a search engine should be |
||||
# used. If set to NO the values of all tags below this one will be ignored. |
||||
|
||||
SEARCHENGINE = NO |
||||
|
||||
# The CGI_NAME tag should be the name of the CGI script that |
||||
# starts the search engine (doxysearch) with the correct parameters. |
||||
# A script with this name will be generated by doxygen. |
||||
|
||||
CGI_NAME = search.cgi |
||||
|
||||
# The CGI_URL tag should be the absolute URL to the directory where the |
||||
# cgi binaries are located. See the documentation of your http daemon for |
||||
# details. |
||||
|
||||
CGI_URL = |
||||
|
||||
# The DOC_URL tag should be the absolute URL to the directory where the |
||||
# documentation is located. If left blank the absolute path to the |
||||
# documentation, with file:// prepended to it, will be used. |
||||
|
||||
DOC_URL = |
||||
|
||||
# The DOC_ABSPATH tag should be the absolute path to the directory where the |
||||
# documentation is located. If left blank the directory on the local machine |
||||
# will be used. |
||||
|
||||
DOC_ABSPATH = |
||||
|
||||
# The BIN_ABSPATH tag must point to the directory where the doxysearch binary |
||||
# is installed. |
||||
|
||||
BIN_ABSPATH = /usr/local/bin/ |
||||
|
||||
# The EXT_DOC_PATHS tag can be used to specify one or more paths to |
||||
# documentation generated for other projects. This allows doxysearch to search |
||||
# the documentation for these projects as well. |
||||
|
||||
EXT_DOC_PATHS = |
||||
@ -0,0 +1,15 @@ |
||||
#include <mrw/exception.hpp> |
||||
#include <mrw/stacktrace.hpp> |
||||
|
||||
namespace mrw { |
||||
exception::exception() throw(std::bad_exception): |
||||
_stacktrace(new StackTrace) { |
||||
} |
||||
exception::~exception() throw() { |
||||
delete _stacktrace; |
||||
} |
||||
const std::string& exception::stacktrace() const throw(std::bad_exception) { |
||||
static const std::string st(*_stacktrace); |
||||
return st; |
||||
} |
||||
} |
||||
@ -0,0 +1,170 @@ |
||||
#ifndef __MRW_EXCEPTION_HPP__ |
||||
#define __MRW_EXCEPTION_HPP__ |
||||
|
||||
#include <exception> |
||||
#include <string> |
||||
|
||||
namespace mrw { |
||||
|
||||
class StackTrace; |
||||
|
||||
/** @addtogroup StackTrace
|
||||
|
||||
@section exc Exception Handling with Stack Trace |
||||
|
||||
One of the main reasons for the mrw::StackTrace class is, to be |
||||
able to store a trace where an exception is thrown. This trace |
||||
is then stored as exception information, but not yet evaluated, |
||||
symbols are calculated only if necessary, upon request. So the |
||||
exception is still relatively cheap. |
||||
|
||||
There is a class named mrw::exception that derieves from and |
||||
behaves as @c std::exception, but it stores a mrw::StackTrace on |
||||
construction and offers a method @c mrw::exception::stacktrace() |
||||
that returns a well formatted stack trace of the point, where |
||||
the exception was created. |
||||
|
||||
@subsection excprob Common Problems with Exception Handling |
||||
|
||||
Exceptions are very handy: When you have a problem, you throw an |
||||
exception and when you call a method and reach the next line, |
||||
everything was fine. You don't have to care about error handling |
||||
unless you are able to handle it. Otherwise you simply let pass |
||||
any exception up in the stack. |
||||
|
||||
The big disadvantage is, when you catch an exception, you don't |
||||
know where it was thrown. That's the stack trace for. Another |
||||
problem is, the exception specification problem: When you don't |
||||
write exception specifications, you don't know what a specific |
||||
method throws. If you do write exception specifications, they |
||||
are not checked at compile time, but enforced at run time. If a |
||||
wrong exception is thrown, the program stops, calls an |
||||
unexpected handler that by default aborts the program. Since the |
||||
unexpected handler must not return, the problem cannot be |
||||
recovered from. But the unexpected handler can rethrow and catch |
||||
the bad exception and it is allowed to throw a new |
||||
exception. This is what my suggested exception handling concept |
||||
makes use of. |
||||
|
||||
@subsection excsug Suggested Exception Handling Rules |
||||
|
||||
-# derieve all your exceptions from mrw::exception |
||||
-# write exception specifications as follows: |
||||
- if any exception is thrown, specify @c throw(mrw::exception) |
||||
- if no exception is thrown, specify @c throw(std::bad_exception) |
||||
-# document the exact exception thrown with Doxygen's \@throw tag |
||||
-# write an unexpected handler as follows: |
||||
|
||||
@code |
||||
void unexpectedHandler() { |
||||
try { |
||||
throw; |
||||
} catch (mrw::exception& x) { |
||||
// trace x.stacktrace() and x.what()
|
||||
} catch (std::exception& x) { |
||||
// trace x.what()
|
||||
} catch (...) { |
||||
// trace unknown unexpected
|
||||
} |
||||
throw std::bad_exception(); // try to recover
|
||||
} |
||||
@endcode |
||||
|
||||
What happens: |
||||
- If you throw an exception in a method that declares not to |
||||
throw an exception, the unexpected handler is called. |
||||
- It writes a stack trace for you to be able to find your bug. |
||||
- Then it throws a @c std::bad_exception, which is allowed to pass. |
||||
- Your program does not abort, but continues running. |
||||
- If higher in the stack you catch the exception, you may be |
||||
able to recover. |
||||
- If you throw an exception where you are allowed to, you only need to |
||||
catch mrw::exception and you can access @c what() and @c stacktrace(). |
||||
|
||||
For a proof of concept refer to |
||||
@ref exceptionhandling.cpp "the example exceptionhandling.cpp". |
||||
*/ |
||||
//@{
|
||||
|
||||
/** @example exceptionhandling.cpp
|
||||
|
||||
It is possible to recover from an unexpected exception! A stack |
||||
trace helps you to find the source of a problem, here function |
||||
@c fn2() in file @c /privat/home/marc/pro/mrw-c++/mrw/test.cpp |
||||
on line @c 25. This example produces the following output: |
||||
|
||||
@verbatim |
||||
call fn0 |
||||
enter fn0 |
||||
enter fn1 |
||||
enter fn2 |
||||
UNEXPECTED:N3mrw9exceptionE |
||||
---------------------------Stack: |
||||
[0x8049e51] ../sysdeps/i386/elf/start.S:105 _start |
||||
[0x401cfd3e] ????:0 ???? |
||||
[0x804a3d0] examples/exceptionhandling.cpp:50 main |
||||
[0x804a2a3] examples/exceptionhandling.cpp:38 fn0() |
||||
[0x804a227] examples/exceptionhandling.cpp:32 fn1() |
||||
[0x804a1c1] examples/exceptionhandling.cpp:25 fn2() |
||||
[0x804fdda] ../mrw/exception.cpp:6 mrw::exception::exception() |
||||
[0x804a8f5] ../mrw/stacktrace.cpp:54 mrw::StackTrace::StackTrace() |
||||
--------------------------------- |
||||
EXCEPTION caught in fn0:St13bad_exception |
||||
leave fn0 |
||||
call of fn0 successful |
||||
@endverbatim |
||||
|
||||
Please note, that without the exception concept and without the |
||||
unexpected handler, the program would abort in function fn2 on |
||||
line 25. The output was produced by the following code: |
||||
*/ |
||||
|
||||
/** @brief replacement for @c std::exception, that collects a stack trace
|
||||
|
||||
This exception class behaves exactely like @c std::exception, |
||||
but it collects a stack trace in the constructor and offers a |
||||
method to return the formatted stack trace for logging. |
||||
|
||||
It is recommended, to inherit all the exceptions you ever throw |
||||
from this class. This way you can always access the stack trace |
||||
if you run into troubles. It is fursther recommended, to write a |
||||
unexpected handler, that rethrows, catches this exception, then |
||||
throws a @c std::bad_exception to try to continue. This is the |
||||
reason, why all the exception specifications in the MRW C++ |
||||
Library declar @c throw(std::bad_exception) instead of @c |
||||
throw(), when they throw nothing. |
||||
|
||||
@code |
||||
namespace myProject { |
||||
void unexpectedHandler() { |
||||
try { |
||||
throw; |
||||
} catch (mrw::exception& x) { |
||||
// trace x.stacktrace() and x.what()
|
||||
} catch (std::exception& x) { |
||||
// trace x.what()
|
||||
} catch (...) { |
||||
// trace unknown unexpected
|
||||
} |
||||
throw std::bad_exception(); // try to recover
|
||||
} |
||||
} |
||||
int main() { |
||||
std::set_unexpected(&myProject::unexpectedHandler); |
||||
... |
||||
} |
||||
@endcode |
||||
*/ |
||||
class exception: public std::exception { |
||||
public: |
||||
exception() throw(std::bad_exception); |
||||
virtual ~exception() throw(); |
||||
const std::string& stacktrace() const throw(std::bad_exception); |
||||
private: |
||||
StackTrace* _stacktrace; |
||||
}; |
||||
|
||||
//@}
|
||||
} |
||||
|
||||
#endif |
||||
@ -0,0 +1,163 @@ |
||||
#include <mrw/exec.hpp> |
||||
#include <mrw/unistd.hpp> |
||||
#include <sys/wait.h> // waitpid |
||||
#include <unistd.h> // fork, exec |
||||
#include <string.h> // memcpy |
||||
|
||||
#include <iostream> |
||||
|
||||
mrw::ExecutionFailedExc::ExecutionFailedExc(const std::string& w, |
||||
const std::string& c) |
||||
throw(std::bad_exception): |
||||
_what(std::string("mrw::Exec: command execution failed\n")+ |
||||
std::string(" failed command was: \""+c+"\"\n")+ |
||||
std::string(" error was: \"")+w+'"') { |
||||
/**
|
||||
@c what looks like: |
||||
@verbatim |
||||
mrw::Exec: command execution failed |
||||
failed command was: "/bin/OOOOPS -v -q --crash" |
||||
error was: "execution failed" |
||||
@endverbatim |
||||
*/ |
||||
} |
||||
|
||||
mrw::Cmd::Cmd(const std::string& c) throw(std::bad_exception) { |
||||
_cmd.push_back(c); |
||||
} |
||||
|
||||
mrw::Cmd& mrw::Cmd::operator,(const std::string& arg) |
||||
throw(std::bad_exception) { |
||||
_cmd.push_back(arg); |
||||
return *this; |
||||
} |
||||
|
||||
mrw::Cmd& mrw::Cmd::operator<<(const std::string& arg) |
||||
throw(std::bad_exception) { |
||||
_cmd.push_back(arg); |
||||
return *this; |
||||
} |
||||
|
||||
mrw::Cmd::operator std::string() const throw(std::bad_exception) { |
||||
ArgList::const_iterator it(_cmd.begin()); |
||||
std::string c(*it); |
||||
while (++it!=_cmd.end()) c+=' '+*it; |
||||
return c; |
||||
} |
||||
|
||||
mrw::Cmd::operator mrw::Exec() const throw(std::bad_exception) { |
||||
return mrw::Exec(*this); |
||||
} |
||||
|
||||
mrw::Exec mrw::Cmd::execute(bool throwExc) const throw(mrw::exception) { |
||||
return mrw::Exec(*this).execute(throwExc); |
||||
} |
||||
|
||||
const char* mrw::Cmd::path() const throw(std::bad_exception) { |
||||
return _cmd.front().c_str(); |
||||
} |
||||
char** mrw::Cmd::args() const throw(std::bad_exception) { |
||||
if (_cmd.size()==0) return 0; |
||||
char** array = new char*[_cmd.size()+1]; |
||||
int i(0); |
||||
for (ArgList::const_iterator it(_cmd.begin()); it!=_cmd.end(); ++it) |
||||
memcpy(array[i++]=new char[it->size()+1], it->c_str(), it->size()+1); |
||||
array[i] = 0; |
||||
return array; |
||||
} |
||||
|
||||
mrw::Exec::Exec(const mrw::Cmd& c) throw(std::bad_exception): |
||||
_cmd(new mrw::Cmd(c)), _success(false) { |
||||
} |
||||
|
||||
mrw::Exec::Exec(const mrw::Exec& e) throw(std::bad_exception): |
||||
_cmd(new mrw::Cmd(*e._cmd)), |
||||
_res(e._res), _err(e._err), _success(e._success) { |
||||
} |
||||
|
||||
mrw::Exec::~Exec() throw() { |
||||
delete _cmd; |
||||
} |
||||
|
||||
mrw::Exec& mrw::Exec::operator=(const mrw::Exec& e) throw(std::bad_exception) { |
||||
if (this==&e) return *this; |
||||
*_cmd=*e._cmd; _res=e._res; _err=e._err; _success=e._success; |
||||
return *this; |
||||
} |
||||
|
||||
mrw::Exec& mrw::Exec::execute(bool throwExc) throw(mrw::exception) { |
||||
/** This method calls @c fork, sets up a pipe connection to pass @c
|
||||
stdot and @c stderr from the child process to the parent process |
||||
using mrw::pipe and calls @c execvp to execute the program. */ |
||||
_success = false; |
||||
_res = _err = ""; |
||||
mrw::pipe stdout, stderr; |
||||
if (!stdout || !stderr) |
||||
throw mrw::ExecutionFailedExc("cannot create pipe", *_cmd); |
||||
pid_t pid(fork()); |
||||
if (pid<0) |
||||
throw ExecutionFailedExc("cannot fork", *_cmd); |
||||
if (pid) { // parent
|
||||
stdout.close_out(); |
||||
stderr.close_out(); |
||||
if (!stdout || !stderr) |
||||
throw ExecutionFailedExc("cannot close pipe", *_cmd); |
||||
int num1(0), num2(0); |
||||
for (char buf1[4096], buf2[4096]; |
||||
(num1=read(stdout.istream(), buf1, sizeof(buf1)))>0 || |
||||
num1==-1 && errno==EINTR || |
||||
(num2=read(stderr.istream(), buf2, sizeof(buf2)))>0 || |
||||
num2==-1 && errno==EINTR; |
||||
_res += std::string(buf1, num1), _err += std::string(buf2, num2)); |
||||
if (num1==-1 || num2==-1) |
||||
throw ExecutionFailedExc("cannot_ read pipe", *_cmd); |
||||
// wait for child to get return code
|
||||
int s(0); |
||||
if (waitpid(pid, &s, 0)!=pid || WIFEXITED(s)!=0 && WEXITSTATUS(s)!=0) { |
||||
if (throwExc) { |
||||
throw ExecutionFailedExc("execution failed", *_cmd); |
||||
} else { |
||||
_success = false; |
||||
return *this; |
||||
} |
||||
} |
||||
} else { // child
|
||||
stdout.close_in(); |
||||
stderr.close_in(); |
||||
stdout.connect_cout(); |
||||
stderr.connect_cerr(); |
||||
execvp(_cmd->path(), _cmd->args()); |
||||
exit(1); // execute failed
|
||||
} |
||||
_success = true; |
||||
return *this; |
||||
} |
||||
|
||||
mrw::Exec& mrw::Exec::operator>>(std::string& res) throw(mrw::exception) { |
||||
execute(); |
||||
res += _res; |
||||
return *this; |
||||
} |
||||
|
||||
mrw::Exec::operator std::string&() throw(mrw::exception) { |
||||
if (!_success) execute(); |
||||
return _res; |
||||
} |
||||
|
||||
mrw::Exec::operator bool() throw(std::bad_exception) { |
||||
return _success; |
||||
} |
||||
|
||||
std::string& mrw::Exec::result() throw(mrw::exception) { |
||||
if (!_success) execute(); |
||||
return _res; |
||||
} |
||||
|
||||
std::string& mrw::Exec::error() throw(mrw::exception) { |
||||
if (!_success) execute(); |
||||
return _err; |
||||
} |
||||
|
||||
bool mrw::Exec::success() throw(std::bad_exception) { |
||||
return _success; |
||||
} |
||||
@ -0,0 +1,266 @@ |
||||
#ifndef __MRW_EXEC_HPP__ |
||||
#define __MRW_EXEC_HPP__ |
||||
|
||||
#include <string> |
||||
#include <list> |
||||
#include <mrw/exception.hpp> |
||||
|
||||
namespace mrw { |
||||
|
||||
/** @defgroup CmdExec Execute UNIX Commands
|
||||
|
||||
There is no easy way to safely execute UNIX commands and to |
||||
return the output of the callee to the caller. @c system ist |
||||
first of all known to be unsafe, because it opens a shell, and |
||||
second there is no way to transfer the output back to the |
||||
caller. On the other hand, starting a new process with @c fork |
||||
and @c exec and passing the output of the callee to the caller |
||||
using pipes is quite complex and needs much more than one simple |
||||
line of code. This is the gap that is filled with this command |
||||
execution classes. There's a class for the command to be |
||||
executed and a class for the execution of the command. |
||||
|
||||
Forking a subprocess and evaluating the result becomes so easy: |
||||
|
||||
@code |
||||
try { |
||||
// execute the command: /bin/ls -l /tmp
|
||||
mrw::Exec ls = |
||||
(mrw::Cmd("/bin/ls"), "-l", "/tmp").execute(false); |
||||
// evaluate the result
|
||||
if (ls.success()) |
||||
std::cout<<"Execution successful, result was:"<<std::endl; |
||||
else |
||||
std::cerr<<"Error in execution, error was:"<<std::endl; |
||||
std::cout<<ls.result()<<std::endl; |
||||
std::cerr<<ls.error()<<std::endl; |
||||
} catch (ExecutionFailedExc& x) { |
||||
// a fatal execution error occurred
|
||||
// you can trace x.what() and x.stacktrace()
|
||||
} |
||||
@endcode |
||||
*/ |
||||
//@{
|
||||
|
||||
class Cmd; |
||||
|
||||
/** @brief Exception: Execution of command failed.
|
||||
|
||||
This exception is thrown, if the exection of a command in |
||||
mrw::Exec is failed. That means, it was not possible to fork or |
||||
to create the necessary pipes, or the command executing process |
||||
terminated with an error. In the last case, you can access the |
||||
error stream from @c stderr respectively @c cerr with method |
||||
mrw::Exec::error(). |
||||
*/ |
||||
class ExecutionFailedExc: public mrw::exception { |
||||
public: |
||||
ExecutionFailedExc(const std::string&, const std::string&) |
||||
throw(std::bad_exception); |
||||
virtual ~ExecutionFailedExc() throw() {} |
||||
virtual const char* what() const throw() {return _what.c_str();} |
||||
private: |
||||
std::string _what; |
||||
}; |
||||
|
||||
/** @brief Execute a command in a new process.
|
||||
|
||||
This class handles the execution of a command in a new process |
||||
and returns the two streams @c cout and @cerr, also known as @c |
||||
stderr and @stdout. |
||||
|
||||
There are different ways of usage for this class. A simple way, |
||||
one line of code, to get only the resulting stream (no error) |
||||
is: |
||||
|
||||
@code |
||||
string stdout = |
||||
(mrw::Cmd("/bin/ls"), "-l", "/tmp").execute(false).result(); |
||||
@endcode |
||||
|
||||
If you need not only the resulting @c stdout stream, but also |
||||
the error stream @c stderr, then you need to store the result: |
||||
|
||||
@code |
||||
mrw::Exec ls = |
||||
(mrw::Cmd("/bin/ls"), "-l", "/tmp").execute(false); |
||||
if (!ls) ...; // command termianted with error
|
||||
// ls.result() contains stdout
|
||||
// ls.error() contains stderr
|
||||
@endcode |
||||
|
||||
@note Please note that the command execution may throw an exception. |
||||
*/ |
||||
class Exec { |
||||
public: |
||||
|
||||
/** @brief Create an executor given a command.
|
||||
Construction without passing a command is not possible. */ |
||||
Exec(const mrw::Cmd&) throw(std::bad_exception); |
||||
|
||||
Exec(const mrw::Exec&) throw(std::bad_exception); |
||||
~Exec() throw(); |
||||
Exec& operator=(const mrw::Exec&) throw(std::bad_exception); |
||||
|
||||
/** @brief Execute the command.
|
||||
|
||||
@param bool |
||||
- @c true throw an exception if return status is not zero |
||||
- @c false throw only an exception in case of a fatal error |
||||
|
||||
@throw ExecutionFailedExc is thrown if |
||||
- fork fails |
||||
- creation or setup of pipes failed |
||||
- if given parameter is @c true (the default) also if the |
||||
executed program terminates with an error |
||||
*/ |
||||
Exec& execute(bool=true) throw(mrw::exception); |
||||
|
||||
/** @brief Executes the command if not done, streams @c stdout into a string
|
||||
|
||||
If the command has not yet been executed successfully, it is |
||||
first executed, then the @c stdout output of the called |
||||
program is appended to the string. |
||||
|
||||
@throw ExecutionFailedExc in case of any failure or if the |
||||
executed program does not return a zero exit status. |
||||
*/ |
||||
Exec& operator>>(std::string&) throw(mrw::exception); |
||||
|
||||
/** @brief Executes the command if not done, returns @c stdout as string
|
||||
|
||||
If the command has not yet been executed successfully, it is |
||||
first executed, then the @c stdout output of the called |
||||
program is returned. |
||||
|
||||
@return @c stdout of the called program |
||||
|
||||
@throw ExecutionFailedExc in case of any failure or if the |
||||
executed program does not return a zero exit status. |
||||
*/ |
||||
operator std::string&() throw(mrw::exception); |
||||
|
||||
/** @return
|
||||
- @c true if the last execution was successful |
||||
- @c false if the last execution failed or the command was |
||||
never executed |
||||
*/ |
||||
operator bool() throw(std::bad_exception); |
||||
|
||||
/** @brief Executes the command if not done, returns @c stdout as string
|
||||
|
||||
If the command has not yet been executed successfully, it is |
||||
first executed, then the @c stdout output of the called |
||||
program is returned. |
||||
|
||||
@return @c stdout of the called program |
||||
|
||||
@throw ExecutionFailedExc in case of any failure or if the |
||||
executed program does not return a zero exit status. |
||||
*/ |
||||
std::string& result() throw(mrw::exception); |
||||
|
||||
/** @brief Executes the command if not done, returns @c stderr as string
|
||||
|
||||
If the command has not yet been executed successfully, it is |
||||
first executed, then the @c stderr error output of the called |
||||
program is returned. |
||||
|
||||
@return @c stderr of the called program |
||||
|
||||
@throw ExecutionFailedExc in case of any failure or if the |
||||
executed program does not return a zero exit status. |
||||
*/ |
||||
std::string& error() throw(mrw::exception); |
||||
|
||||
/** @return
|
||||
- @c true if the last execution was successful |
||||
- @c false if the last execution failed or the command was |
||||
never executed |
||||
*/ |
||||
bool success() throw(std::bad_exception); |
||||
|
||||
private: |
||||
Exec(); // no default constructor
|
||||
mrw::Cmd* _cmd; |
||||
std::string _res, _err; |
||||
bool _success; |
||||
}; |
||||
|
||||
/** @brief A system command to be executed
|
||||
|
||||
This class is used in conjunction with mrw::Exec. It mus be |
||||
initialized with the command name, then the command parameters |
||||
are appended either with commas, or by streaming them into the |
||||
command, whatever you like. |
||||
|
||||
You can stream the data into the class: |
||||
|
||||
@code |
||||
mrw::Cmd ls("/bin/ls"); // the command to execute is: /bin/ls
|
||||
ls<<"-l"<<"/tmp"; // the command is now: /bin/ls -l /tmp
|
||||
@endcode |
||||
|
||||
Or you can setup your command with commas: |
||||
|
||||
@code |
||||
mrw::Cmd ls = (mrw::Cmd(/bin/ls), "-l", "/tmp"); |
||||
@endcode |
||||
*/ |
||||
class Cmd { |
||||
public: |
||||
/** @brief Create a command given the name of the executable
|
||||
@param std::string the name of the program to execute (no parameter) |
||||
@note There is no default constructor. */ |
||||
Cmd(const std::string&) throw(std::bad_exception); |
||||
|
||||
/** @brief Append a parameter to a command
|
||||
@param std::string a parameter / commandline argument |
||||
to append to the command */ |
||||
Cmd& operator,(const std::string&) throw(std::bad_exception); |
||||
|
||||
/** @brief Append a parameter to a command
|
||||
@param std::string a parameter / commandline argument |
||||
to append to the command */ |
||||
Cmd& operator<<(const std::string&) throw(std::bad_exception); |
||||
|
||||
/** @return the command including parameter */ |
||||
operator std::string() const throw(std::bad_exception); |
||||
|
||||
/** @return a mrw::Exec that's constructed with this class */ |
||||
operator Exec() const throw(std::bad_exception); |
||||
|
||||
/** @brief Create a mrw::Exec and execute the command
|
||||
|
||||
Creates a mrw::Exec, executes the command, passes the flag to |
||||
mrw::Exec::execute() and returns the created mrw::Exec. The |
||||
result of the execution can be retrieved through the returned |
||||
mrw::Exec object: The methods mrw::Exec::success(), |
||||
mrw::Exec::result() and mrw::Exec::error() provide the |
||||
necessary information. |
||||
|
||||
@param bool |
||||
- @c true throw an exception if return status is not zero |
||||
- @c false throw only an exception in case of a fatal error |
||||
|
||||
@return the mrw::Exec that has executed the command |
||||
|
||||
@throw ExecutionFailedExc is thrown if |
||||
- fork fails |
||||
- creation or setup of pipes failed |
||||
- if given parameter is @c true (the default) also if the |
||||
executed program terminates with an error |
||||
*/ |
||||
Exec execute(bool=true) const throw(mrw::exception); |
||||
|
||||
private: |
||||
friend class Exec; // is allowed to call path() and args()
|
||||
Cmd(); // no default constructor
|
||||
const char* path() const throw(std::bad_exception); |
||||
char** args() const throw(std::bad_exception); |
||||
typedef std::list<std::string> ArgList; |
||||
ArgList _cmd; |
||||
}; |
||||
//@}
|
||||
} |
||||
#endif |
||||
@ -0,0 +1,22 @@ |
||||
#include <mrw/exec.hpp> |
||||
#include <mrw/stacktrace.hpp> |
||||
#include <iostream> |
||||
|
||||
int main() { |
||||
// std::cout<<"RESULT: "
|
||||
// <<(mrw::Cmd("/bin/ls"), "-l", "/tmp").execute().result()
|
||||
// <<std::endl;
|
||||
try { |
||||
std::cout<<"RESULT: " |
||||
<<(mrw::Cmd("/bin/false")).execute().result() |
||||
<<std::endl; |
||||
} catch (const mrw::exception &x) { |
||||
mrw::StackTrace::createSymtable(); |
||||
std::cout<<"EXCEPTION: ----------------------------------------"<<std::endl |
||||
<<"---------- Reason:"<<std::endl |
||||
<<x.what()<<std::endl |
||||
<<"---------- Stack:"<<std::endl |
||||
<<x.stacktrace()<<std::endl |
||||
<<"---------------------------------------------------"<<std::endl; |
||||
} |
||||
} |
||||
@ -0,0 +1,18 @@ |
||||
EXTRA_DIST = doc examples |
||||
CLEANFILES = doxygen.err |
||||
|
||||
lib_LTLIBRARIES = libmrw.la libautostacktracestderr.la |
||||
|
||||
libmrw_la_SOURCES = mrw.hpp \ |
||||
auto.hpp auto.cpp unistd.hpp \ |
||||
stacktrace.hpp stacktrace.cpp exception.hpp \ |
||||
exec.hpp exec.cpp |
||||
libmrw_la_LDFLAGS = -version-info @MAJOR@:@MINOR@:@SUPPORT@ |
||||
|
||||
libautostacktracestderr_la_SOURCES = autostacktracestderr.cpp |
||||
libautostacktracestderr_la_LDFLAGS = -version-info @MAJOR@:@MINOR@:@SUPPORT@ |
||||
|
||||
|
||||
doc: doc/html/index.html |
||||
doc/html/index.html: doxyfile *.[ch]pp |
||||
doxygen doxyfile |
||||
@ -0,0 +1,41 @@ |
||||
/** @mainpage
|
||||
|
||||
@section license License and Copyright |
||||
|
||||
- All files are under GNU LGPL license. |
||||
- All files are copyrighted by Marc Wäckerlin. |
||||
- There is no warranty. |
||||
- For details, read the file LICENSE in your distribution. |
||||
|
||||
@section intro Introduction |
||||
|
||||
This library cares a about: |
||||
- resource management |
||||
- execution of UNIX sub processes |
||||
- stack trace |
||||
- exception handling |
||||
|
||||
For details, see the modules page. |
||||
|
||||
@section link Compile and Link Options |
||||
|
||||
To be able to get the source file name / line number |
||||
information in stack trace, you need the debug information compile |
||||
option @c -g. For compilation on Solaris, you may need the option |
||||
@c -D__solaris__. You must link to the MRW C++ Library. For this |
||||
you need the link option @c -lmrw. |
||||
|
||||
@section download Download and Installation |
||||
|
||||
Download the latest version from: |
||||
- http://marc.waeckerlin.org/c++/libmrw
|
||||
|
||||
Install it with: |
||||
|
||||
@verbatim |
||||
tar xzvf mrw-c++-<VERSION>.tar.gz |
||||
cd mrw-c++-<VERSION> |
||||
./configure |
||||
make all check install |
||||
@endverbatim |
||||
*/ |
||||
@ -0,0 +1,189 @@ |
||||
#include <mrw/stacktrace.hpp> |
||||
#include <sstream> |
||||
#include <unistd.h> |
||||
#include <sys/types.h> |
||||
#include <sys/stat.h> |
||||
#include <sys/mman.h> |
||||
#include <fcntl.h> |
||||
#include <assert.h> |
||||
#include <math.h> |
||||
#include <algorithm> |
||||
#include <list> |
||||
#if defined(__solaris__) |
||||
#include <sys/old_procfs.h> |
||||
#endif |
||||
#if defined (__GLIBC__) |
||||
#include <execinfo.h> |
||||
#endif |
||||
#include <bfd.h> |
||||
extern "C" { |
||||
#include <demangle.h> |
||||
} |
||||
#include <iomanip> |
||||
|
||||
namespace mrw { |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
std::string demangle(bfd* abfd, const char* name) { |
||||
if (bfd_get_symbol_leading_char(abfd) == name[0]) ++name; |
||||
|
||||
/* This is a hack for better error reporting on XCOFF, PowerPC64-ELF
|
||||
or the MS PE format. These formats have a number of leading '.'s |
||||
on at least some symbols, so we remove all dots to avoid |
||||
confusing the demangler. */ |
||||
const char* p (name); |
||||
while (p && *p == '.') ++p; |
||||
|
||||
mrw::AutoFree<char> res(cplus_demangle(p, DMGL_ANSI | DMGL_PARAMS)); |
||||
if (res) { |
||||
/* Now put back any stripped dots. */ |
||||
if (p==name) return (char*)res; |
||||
std::string add_dots('.', p-name); |
||||
return add_dots+=(char*)res; |
||||
} |
||||
return name; |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
StackTrace::StackTrace() throw(std::bad_exception) { |
||||
// maximum trace level is limited here to 50, see below why
|
||||
# if defined(__GLIBC__) |
||||
{ |
||||
const int TRACE_LEVEL(50); |
||||
void* ba[TRACE_LEVEL]; |
||||
for (int n(backtrace(ba, TRACE_LEVEL)), i(0); i<n; ++i) |
||||
_trace.push_back(ba[i]); |
||||
} |
||||
# elif defined(__GNUG__) |
||||
{ |
||||
# define push(i) \ |
||||
(__builtin_return_address(i) ? \
|
||||
(_trace.push_back(__builtin_return_address(i)), true) : false) |
||||
push(0) && push(1) && push(2) && push(3) && push(4) && push(5) && |
||||
push(6) && push(7) && push(8) && push(9) && push(10) && push(11) && |
||||
push(12) && push(13) && push(14) && push(15) && push(16) && push(17) |
||||
&& push(18) && push(19) && push(20) && push(21) && push(22) && |
||||
push(23) && push(24) && push(25) && push(26) && push(27) && push(28) |
||||
&& push(29) && push(30) && push(31) && push(32) && push(33) && |
||||
push(34) && push(35) && push(36) && push(37) && push(38) && push(39) |
||||
&& push(40) && push(41) && push(42) && push(43) && push(44) && |
||||
push(45) && push(46) && push(47) && push(48) && push(49); |
||||
# undef push |
||||
} |
||||
# else |
||||
# warning "You need GNU gcc or GNU glibc to be able to use mrw::StackTrace" |
||||
# endif |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
StackTrace::operator std::string() const throw(std::bad_exception) { |
||||
static const double LN10(log(10)); |
||||
std::stringstream s; |
||||
bool first(true); |
||||
unsigned int lisz(0), fisz(0); |
||||
std::list<CodePos> l; |
||||
for (AddressTrace::const_reverse_iterator it(_trace.rbegin()); |
||||
it!=_trace.rend(); ++it, first=false) { |
||||
CodePos c(translate(*it)); |
||||
if (log(c.line+1)/LN10 > lisz) lisz = (unsigned int)(log(c.line+1)/LN10); |
||||
if (c.file.size() > fisz) fisz = c.file.size(); |
||||
l.push_back(c); |
||||
} |
||||
for (std::list<CodePos>::iterator it(l.begin()); it!=l.end(); ++it) |
||||
s<<"["<<it->address<<"] " |
||||
<<it->file<<':'<<it->line |
||||
<<std::setw(fisz+lisz-it->file.size()- |
||||
(unsigned int)(log(it->line+1)/LN10)-1) |
||||
<<" "<<it->function<<std::endl; |
||||
return s.str(); |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
const StackTrace& StackTrace::print(std::ostream& os) const |
||||
throw(std::bad_exception) { |
||||
os<<(std::string)*this; |
||||
return *this; |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
StackTrace::CodePos StackTrace::translate(void* addr) |
||||
throw(std::bad_exception) { |
||||
assert(sizeof(bfd_vma)>=sizeof(void*)); |
||||
bfd_vma vma_addr(reinterpret_cast<bfd_vma>(addr)); |
||||
if (!_dic.get()) return CodePos(addr, "????", "????", 0); |
||||
std::vector<Translator::key_type>::iterator |
||||
it(std::lower_bound(_addrs.begin(), _addrs.end(), vma_addr)); |
||||
if (it--==_addrs.begin() || *it > vma_addr || |
||||
(*_dic)[*it].first <= vma_addr) return CodePos(addr, "????", "????", 0); |
||||
static const char* file(0); |
||||
static const char* function(0); |
||||
unsigned int line; |
||||
if (!bfd_find_nearest_line(_bfd, (*_dic)[*it].second, _syms.get(), |
||||
vma_addr-*it, &file, &function, &line)) |
||||
return CodePos(addr, "????", "????", 0); |
||||
return CodePos(addr, mrw::demangle(_bfd, function), file?file:"????", line); |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
bool StackTrace::createSymtable(std::string fname) throw(std::bad_exception) { |
||||
if (_dic.get()) return true; |
||||
AutoBfd abfd(bfd_openr((fname!="" ? fname : filename()).c_str(), 0)); |
||||
long memsz(-1); |
||||
AutoFree<char*> m(0); |
||||
if (!abfd || bfd_check_format(abfd, bfd_archive) || |
||||
!bfd_check_format_matches(abfd, bfd_object, m) || |
||||
!(bfd_get_file_flags(abfd)&HAS_SYMS) || |
||||
(memsz=bfd_get_symtab_upper_bound(abfd))<0) return false; |
||||
std::auto_ptr<asymbol*> syms(new asymbol*[memsz]); |
||||
if (bfd_canonicalize_symtab(abfd, syms.get())<0) return false; |
||||
_bfd = abfd; |
||||
_syms = syms; |
||||
_dic = std::auto_ptr<Translator>(new Translator()); |
||||
bfd_map_over_sections(_bfd, buildSectionMap, 0); |
||||
std::sort(_addrs.begin(), _addrs.end()); |
||||
return true; |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
std::string StackTrace::filename() throw(std::bad_exception) { |
||||
std::stringstream s; |
||||
s<<"/proc/"<<getpid(); |
||||
# if defined(__solaris__) |
||||
{ |
||||
std::string res; |
||||
AutoFile fd(open(s.str().c_str(), O_RDONLY)); |
||||
prpsinfo_t status; |
||||
if (fd==-1 || ioctl(fd, PIOCPSINFO, &status)==-1) return res; |
||||
res = status.pr_psargs; |
||||
res = res.substr(0, res.find(' ')); |
||||
return res; |
||||
} |
||||
# elif defined(__linux__) |
||||
{ |
||||
s<<"/exe"; |
||||
return s.str(); |
||||
} |
||||
# else |
||||
# warning "Don't know how to get executable file name in your system!" |
||||
# warning "Impossible to get function names in stack trace!" |
||||
# warning "Give the path to the executable to StackTrace::createSymtable!" |
||||
# endif |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
void StackTrace::buildSectionMap(bfd* abfd, asection* section, void*) |
||||
throw(std::bad_exception) { |
||||
if (!(bfd_get_section_flags(abfd, section)&SEC_ALLOC)) return; |
||||
bfd_vma vma(bfd_get_section_vma(abfd, section)); |
||||
bfd_size_type sz(bfd_get_section_size_before_reloc(section)); |
||||
(*_dic)[vma] = Translator::mapped_type(vma+sz, section); |
||||
_addrs.push_back(vma); |
||||
} |
||||
|
||||
//----------------------------------------------------------------------------
|
||||
std::auto_ptr<StackTrace::Translator> StackTrace::_dic; |
||||
std::vector<StackTrace::Translator::key_type> StackTrace::_addrs; |
||||
AutoBfd StackTrace::_bfd; |
||||
std::auto_ptr<asymbol*> StackTrace::_syms; |
||||
|
||||
} |
||||
@ -0,0 +1,158 @@ |
||||
// g++ -Wall -D__SOLARIS__ -g -I /home/public/freeware/include -L /home/public/freeware/lib -I . stacktrace.cxx -lbfd -liberty
|
||||
#ifndef __MRW_STACKTRACE_HPP__ |
||||
#define __MRW_STACKTRACE_HPP__ |
||||
#include <mrw/auto.hpp> |
||||
#include <vector> |
||||
#include <map> |
||||
#include <string> |
||||
#include <memory> |
||||
#include <sys/mman.h> |
||||
#include <bfd.h> |
||||
|
||||
#ifdef __REENTRANT |
||||
#warning "mrw::StackTrace is not thread safe yet!" |
||||
#warning "It should work, but is at least untested..." |
||||
#endif |
||||
|
||||
namespace mrw { |
||||
|
||||
/** @defgroup StackTrace Collect and Format a Stack Trace
|
||||
|
||||
Somewhere in a program, there is a fatal error, e.g. an |
||||
unexpected exception is thrown. How is it possible to debug the |
||||
problem in such a case? Sometimes you can start a debugger and |
||||
trace the execution of your program. But what if it occurs only |
||||
once a week, or if you cannot set a breakpoint, because you |
||||
don't know where the problem is located, or because only the |
||||
1000th run of a method causes a problem, or what if the problem |
||||
occurs only at your customers installation? |
||||
|
||||
One way to solve these problems is to do logging, or even |
||||
function tracing, so you can narrow down the lines of code, |
||||
where the problem occurs. But sometimes this is not enough, |
||||
especially with exceptions. One of the worst things with |
||||
exceptions is, you can catch an exception somewhere, but you |
||||
don't know where it was thrown. Here it is very handy, to be |
||||
able to write a stacktrace to a logging device. |
||||
|
||||
For logging, I recommend log4cxx on page: |
||||
- http://logging.apache.org/log4cxx
|
||||
|
||||
These classes are for collecting a stack trace and later for |
||||
formatting with source code file name, line number and the |
||||
method name. |
||||
|
||||
For collecting the stack trace (the addresses): |
||||
- either the GNU gcc compiler is required |
||||
- or the GNU glibc library function @c backtrace |
||||
|
||||
For extracting information from an address, the ELF library is required. |
||||
|
||||
@note For all features and full operation, this class requires: |
||||
- either a GNU glibc bases system (LINUX), or the GNU gcc compiler |
||||
- a system with ELF binaries (LINUX, Solaris, ...) |
||||
- debug information, compile option @c -g |
||||
- it must be linked with @c -libery and @c -lbfd |
||||
*/ |
||||
//@{
|
||||
|
||||
/** @brief store and print a stack trace of the actual position in code
|
||||
|
||||
In the constructor, a stack trace is stored, but not yet |
||||
evaluated. Therefore storing a stack trace is relatively |
||||
fast. The evaluation is done when the stack trace is printed on |
||||
a stream or converted to a string. "Evaluation" means, that the |
||||
addresses are mapped to the correspoding symbols, the method |
||||
names, sorce file names and line numbers are evaluated. |
||||
|
||||
@note Method StackTrace::createSymtable must be called exactely |
||||
once, before evaluating the first stack trace.Best place is the |
||||
first line of the @c main function. |
||||
|
||||
@note This class requires libbfd an libiberty. Debug information |
||||
is required for compiling. You nee the compile option @c -g, or |
||||
even better @c -ggdb3. To link, you need @c -lmrw, @c -lbfd and |
||||
@c -liberty. |
||||
|
||||
@note The stack trace is known to work perfectly on Linux and |
||||
Solaris both with GNU gcc compiler. But it should work with the |
||||
GNU compiler on all systems, or wherever there is a glibc |
||||
library. |
||||
|
||||
@note Symbol evaluation requires the ELF library and an ELF system. |
||||
*/ |
||||
class StackTrace { |
||||
public: |
||||
//............................................................... typedefs
|
||||
typedef std::vector<void*> AddressTrace; ///< container for the adresses
|
||||
/// structure to store all evaluated information
|
||||
struct CodePos { |
||||
CodePos(void* a, std::string fn, std::string fi, unsigned int l) |
||||
throw(std::bad_exception): |
||||
address(a), function(fn), file(fi), line(l) { |
||||
} |
||||
void* address; ///< the address pointer
|
||||
std::string function; ///< function/method name
|
||||
std::string file; ///< code file name
|
||||
unsigned int line; ///< code line number
|
||||
}; |
||||
//................................................................ methods
|
||||
/// the constructor stores the actual stack trace
|
||||
StackTrace() throw(std::bad_exception); |
||||
/// evaluates the symbol table and returns the formatted stack trace
|
||||
operator std::string() const throw(std::bad_exception); |
||||
/// @return list of raw stack addresses
|
||||
operator const AddressTrace&() const throw(std::bad_exception) { |
||||
return _trace; |
||||
} |
||||
/// evaluate the stack trace and print it to a stream
|
||||
const StackTrace& print(std::ostream& os) const throw(std::bad_exception); |
||||
/// evaluates and returns all information from a raw address
|
||||
static CodePos translate(void* addr) throw(std::bad_exception); |
||||
|
||||
/** @brief read the symbol table from the executable file
|
||||
|
||||
@param std::string The file name of the executable. On Linux |
||||
and Solaris, this can be evaluated automatically, so the |
||||
parameter is optional. |
||||
|
||||
@return @c true in case of success. If @c false is returned, |
||||
the symbol table was not read and the evaluation cannot be |
||||
done. Printing then only prints the raw addresses, without |
||||
file, line nmber information and method names. |
||||
|
||||
@note This method must be executed once before a stack trace |
||||
is printed the very first time. For storing a stack trace |
||||
(that means for the creation of a mrw::StackTrace object) a |
||||
call to this method is not yet needed. |
||||
|
||||
@note If this method is called more than once, the symbols |
||||
are created only the first time, so you don't loose too much |
||||
time. |
||||
*/ |
||||
static bool createSymtable(std::string = "") throw(std::bad_exception); |
||||
private: |
||||
//............................................................... typedefs
|
||||
typedef std::map<bfd_vma, std::pair<bfd_vma, asection*> > |
||||
Translator; |
||||
//.............................................................. variables
|
||||
AddressTrace _trace; |
||||
static std::auto_ptr<Translator> _dic; |
||||
static std::vector<Translator::key_type> _addrs; |
||||
static AutoBfd _bfd; |
||||
static std::auto_ptr<asymbol*> _syms; |
||||
//................................................................ methods
|
||||
static std::string filename() throw(std::bad_exception); |
||||
static void buildSectionMap(bfd*, asection*, void*) |
||||
throw(std::bad_exception); |
||||
}; |
||||
|
||||
/// evaluate a stack trace and shift it on a stream
|
||||
inline std::ostream& operator<<(std::ostream& os, const StackTrace& st) |
||||
throw(std::bad_exception) { |
||||
return os<<(std::string)st; |
||||
} |
||||
|
||||
//@}
|
||||
} |
||||
#endif |
||||
@ -0,0 +1,32 @@ |
||||
#include <mrw/stacktrace.hpp> |
||||
#include <cppunit/TestFixture.h> |
||||
#include <cppunit/ui/text/TestRunner.h> |
||||
#include <cppunit/extensions/HelperMacros.h> |
||||
#include <cppunit/extensions/TestFactoryRegistry.h> |
||||
#include <iostream> |
||||
|
||||
class StackTraceTest: public CppUnit::TestFixture {
|
||||
public: |
||||
/// test if symbols are correctely evaluated
|
||||
void StackTrace() { |
||||
mrw::StackTrace::createSymtable(); |
||||
mrw::StackTrace s; int l(__LINE__); std::string f(__FILE__); |
||||
std::stringstream ss; |
||||
ss<<f<<':'<<l; |
||||
std::string st(s); |
||||
int pos(st.find(ss.str())); |
||||
std::cout<<st<<std::endl; |
||||
CPPUNIT_ASSERT(pos<st.size()); |
||||
CPPUNIT_ASSERT(st.find("mrw::StackTrace::StackTrace()", pos)<st.size()); |
||||
} |
||||
CPPUNIT_TEST_SUITE(StackTraceTest); |
||||
CPPUNIT_TEST(StackTrace); |
||||
CPPUNIT_TEST_SUITE_END(); |
||||
}; |
||||
CPPUNIT_TEST_SUITE_REGISTRATION(StackTraceTest); |
||||
|
||||
int main() { |
||||
CppUnit::TextUi::TestRunner runner; |
||||
runner.addTest(CppUnit::TestFactoryRegistry::getRegistry().makeTest()); |
||||
return runner.run() ? 0 : 1; |
||||
} |
||||
@ -0,0 +1 @@ |
||||
Hallo Welt |
||||
@ -0,0 +1,93 @@ |
||||
#ifndef __MRW_UNISTD_HPP__ |
||||
#define __MRW_UNISTD_HPP__ |
||||
|
||||
#include <unistd.h> // pipe, close |
||||
#include <errno.h> // errno |
||||
|
||||
namespace mrw { |
||||
/** @addtogroup AutoTools */ |
||||
//@{
|
||||
|
||||
/// class that implements an unnamed UNIX pipe
|
||||
/** Implements a UNIX pipe that is automatically closed in
|
||||
destructor and offers some facilities. */ |
||||
class pipe { |
||||
private: |
||||
/// the filedescriptor, [0] to read and [1] to write
|
||||
int _fd[2]; |
||||
int _lastError; |
||||
public: |
||||
/// creates a unix pipe
|
||||
pipe(): _lastError(-1) { |
||||
_fd[0] = -1; |
||||
_fd[1] = -1; |
||||
if (::pipe(_fd)==-1) |
||||
{ |
||||
_lastError=errno; |
||||
} |
||||
} |
||||
/// destructor closes pipe if still open
|
||||
~pipe() { |
||||
close(); |
||||
} |
||||
/// closes pipe if open
|
||||
void close() { |
||||
close_in(); |
||||
close_out(); |
||||
} |
||||
/// closes input pipe if open
|
||||
void close_in() { |
||||
if (_fd[0]!=-1) while (::close(_fd[0])==-1) if (errno!=EINTR) { |
||||
_lastError = errno; |
||||
break; |
||||
} |
||||
_fd[0] = -1; |
||||
} |
||||
/// closes output pipe if open
|
||||
void close_out() { |
||||
if (_fd[1]!=-1) while (::close(_fd[1])==-1) if (errno!=EINTR) { |
||||
_lastError = errno; |
||||
break; |
||||
} |
||||
_fd[1] = -1; |
||||
} |
||||
/// @return true if no error occured
|
||||
operator bool() { |
||||
return _lastError == -1; |
||||
} |
||||
/// @return last error code, -1 if no error
|
||||
int error() { |
||||
return _lastError; |
||||
} |
||||
/// connect output stream to @c stdout
|
||||
void connect_cout() { |
||||
while (::dup2(_fd[1], 1)==-1) if (errno!=EINTR) { |
||||
_lastError = errno; |
||||
return; |
||||
} |
||||
} |
||||
/// connect output stream to @c stderr
|
||||
void connect_cerr() { |
||||
while (::dup2(_fd[1], 2)==-1) if (errno!=EINTR) { |
||||
_lastError = errno; |
||||
return; |
||||
} |
||||
} |
||||
/// get an input stream
|
||||
/** @return stream to read from
|
||||
@note invalid after destruction or @c close or @c close_in */ |
||||
int istream() { |
||||
return _fd[0]; |
||||
} |
||||
/// get an output stream
|
||||
/** @return stream to write to
|
||||
@note invalid after destruction or @c close or @c close_out */ |
||||
int ostream() { |
||||
return _fd[1]; |
||||
} |
||||
}; |
||||
|
||||
//@}
|
||||
|
||||
} |
||||
#endif |
||||
Loading…
Reference in new issue