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class_alloc_filter.h

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00001 // $Header: /cvsroot/libcwd/libcwd/include/libcwd/class_alloc_filter.h,v 1.4 2004/08/19 17:33:15 libcw Exp $
00002 //
00003 // Copyright (C) 2002 - 2004, by
00004 // 
00005 // Carlo Wood, Run on IRC <carlo@alinoe.com>
00006 // RSA-1024 0x624ACAD5 1997-01-26                    Sign & Encrypt
00007 // Fingerprint16 = 32 EC A7 B6 AC DB 65 A6  F6 F6 55 DD 1C DC FF 61
00008 //
00009 // This file may be distributed under the terms of the Q Public License
00010 // version 1.0 as appearing in the file LICENSE.QPL included in the
00011 // packaging of this file.
00012 //
00013 
00018 #ifndef LIBCWD_CLASS_ALLOC_FILTER_H
00019 #define LIBCWD_CLASS_ALLOC_FILTER_H
00020 
00021 #ifndef LIBCWD_LIBRARIES_DEBUG_H
00022 #error "Don't include <libcwd/class_alloc_filter.h> directly, include the appropriate \"debug.h\" instead."
00023 #endif
00024 
00025 #include <libcwd/config.h>
00026 
00027 #if CWDEBUG_LOCATION
00028 #include <libcwd/class_location.h>
00029 #endif
00030 
00031 #if CWDEBUG_ALLOC
00032 
00033 #if CWDEBUG_LOCATION
00034 #include <libcwd/private_allocator.h>
00035 #endif
00036 #ifndef LIBCW_VECTOR
00037 #define LIBCW_VECTOR
00038 #include <vector>
00039 #endif
00040 #include <sys/time.h>
00041 
00042 #endif // CWDEBUG_ALLOC
00043 
00044 namespace libcwd {
00045 
00050 typedef unsigned short int alloc_format_t;
00051 
00052 #if CWDEBUG_LOCATION
00053 alloc_format_t const show_path = 1;                     
00054 alloc_format_t const show_objectfile = 2;               
00055 alloc_format_t const show_function = 4;                 
00056 #endif
00057 #if CWDEBUG_ALLOC
00058 alloc_format_t const show_time = 8;                     
00059 alloc_format_t const show_allthreads = 16;              
00060 #if CWDEBUG_LOCATION
00061 alloc_format_t const format_mask = (show_time|show_path|show_objectfile|show_function|show_allthreads);
00062 #else
00063 alloc_format_t const format_mask = (show_time|show_allthreads);
00064 #endif
00065 #endif // CWDEBUG_ALLOC
00066 
00069 #if CWDEBUG_ALLOC
00070 
00071 unsigned int const hide_untagged = 32;                  // Call hide_untagged_allocations() to set this flag.
00072 unsigned int const hide_unknown_loc = 64;               // Call hide_unknown_locations() to set this flag.
00073 
00074 class dm_alloc_base_ct;
00075 class dm_alloc_copy_ct;
00076 #if CWDEBUG_MARKER
00077 class marker_ct;
00078 #endif
00079 
00089 class alloc_filter_ct {
00090 private:
00091 #if CWDEBUG_LOCATION            // No synchronization needed when not defined.
00092   static int S_next_id;         // MT: protected by list_allocations_instance
00093   static int S_id;              // MT: protected by list_allocations_instance
00094   int M_id;
00095 #endif
00096   friend class ::libcwd::dm_alloc_base_ct;
00097   friend class ::libcwd::dm_alloc_copy_ct;
00098   alloc_format_t M_flags;
00099   struct timeval M_start;
00100   struct timeval M_end;
00101 #if CWDEBUG_LOCATION
00102   typedef std::basic_string<char, std::char_traits<char>, _private_::auto_internal_allocator> string_type;
00103   typedef std::vector<string_type, _private_::auto_internal_allocator::rebind<string_type>::other> vector_type;
00104   vector_type M_objectfile_masks;
00105   vector_type M_sourcefile_masks;
00106   typedef std::vector<std::pair<string_type, string_type>,
00107       _private_::auto_internal_allocator::rebind<std::pair<string_type, string_type> >::other> vector_pair_type;
00108   vector_pair_type M_function_masks;
00109 #endif
00110 public:
00112   static struct timeval const no_time_limit;
00114   alloc_filter_ct(alloc_format_t flags = 0);
00116   void set_flags(alloc_format_t flags);
00118   alloc_format_t get_flags(void) const;
00120   struct timeval get_time_start(void) const;
00122   struct timeval get_time_end(void) const;
00123 #if CWDEBUG_LOCATION
00124 
00128   std::vector<std::string> get_objectfile_list(void) const;
00129 
00134   std::vector<std::string> get_sourcefile_list(void) const;
00135 
00140   std::vector<std::pair<std::string, std::string> > get_function_list(void) const;
00141 #endif
00142 
00151   void set_time_interval(struct timeval const& start, struct timeval const& end);
00152 
00153 #if CWDEBUG_LOCATION
00154 
00162   void hide_objectfiles_matching(std::vector<std::string> const& masks);
00163 
00172   void hide_sourcefiles_matching(std::vector<std::string> const& masks);
00173 
00191   void hide_functions_matching(std::vector<std::pair<std::string, std::string> > const& masks);
00192 #endif
00193 
00200   void hide_untagged_allocations(bool hide = true) { if (hide) M_flags |= hide_untagged; else M_flags &= ~hide_untagged; }
00201 
00208   void hide_unknown_locations(bool hide = true) { if (hide) M_flags |= hide_unknown_loc; else M_flags &= ~hide_unknown_loc; }
00209 
00210 #if CWDEBUG_LOCATION
00211   // Return true if filepath matches one of the masks in M_source_masks.
00212   _private_::hidden_st check_hide(char const* filepath) const;
00213 
00214   // Return true if object_file/mangled_function_name matches one of the mask pairs in M_function_masks.
00215   _private_::hidden_st check_hide(object_file_ct const* object_file, char const* mangled_function_name) const;
00216 #endif
00217 
00218 private:
00219   friend unsigned long list_allocations_on(debug_ct&, alloc_filter_ct const&);
00220 #if CWDEBUG_MARKER
00221   friend class marker_ct;
00222 #endif
00223 #if CWDEBUG_LOCATION
00224   void M_check_synchronization(void) const { if (M_id != S_id) M_synchronize(); }
00225   void M_synchronize(void) const;
00226   void M_synchronize_locations(void) const;
00227 #endif
00228 };
00229 
00230 #endif // CWDEBUG_ALLOC
00231 
00232 } // namespace libcwd
00233 
00234 #endif // LIBCWD_CLASS_ALLOC_FILTER_H
Copyright © 2001 - 2004 Carlo Wood.  All rights reserved.