STL source code analysis-stl_config.h

// Filename: stl_config.h // comment by: Cream // E-mail: mdl2009@vip.qq.com // blog: http://blog.csdn.net/mdl13412/** copyright (c) 1996-1997 * Silicon Graphics Computer Systems, Inc. ** permission to use, copy, modify, distribute and merge this software * and its documentation for any purpose is hereby granted without tables, * provided that the above copyright notice appear in all copies and * that both That copyright notice and this permission notice appear * in supporting documentation. silicon Graphics makes no * representations about the suitability of this software for any * purpose. it is provided "as is" without express or implied warranty. * // * Note: This is an internal header file, encoded ded by other STL headers. * You shoshould not attempt to use it directly. */# ifndef _ stl_config_h # Defin E _ stl_config_h // configuration file menu: // (1) if no compiler defines bool, true, false, then define // (2) if the compiler does not support drand48 () the function defines _ stl_no_drand48 // Note: drand48 generates double-precision pseudo-random numbers. Because the 48-bit calculation is used, the name drand48 // (3) if the compiler does not support static members of template classes (static members of the template class), // DEFINE _ stl_static_template_member_bug // (4) if the compiler does not support the 'typename' keyword, define 'typename' as null (null macro) // (5) if the compiler supports partial specialization of class templates (templates class is special), // DEFINE _ stl_class_parti Al_specialization // reference: http://msdn.microsoft.com/en-us/library/9w7t3kf1 (V = vs.71 ). aspx // (6) If the compiler supports Partial Ordering of function templates (template function specific priority), // DEFINE _ stl_function_tmpl_partial_order // reference: http://msdn.microsoft.com/zh-cn/library/zaycz069.aspx// (7) if the compiler supports calling a function template by providing its template // arguments explicitly (explicitly specifying the template parameters for calling the template function) // DEFINE _ stl_explicit_function_tmpl_args/ /(8) if the compiler supports template members of classes (class template members), // DEFINE _ stl_member_templates // (9) If the compiler does not support the 'explicit' keyword, define 'explicit' as null (null macro) // (10) If the compiler cannot set the following default template parameters based on the previous template parameters, // DEFINE _ stl_limited_default_templates // (11) If the compiler is difficult to deduce the non-type template parameter type of the template function, define _ stl_non_type_tmpl_param_bug/(12) if the compiler does not support the iterator using the '->' operator, // defines _ sgi_stl_no_arrow_operator // (13). If the compiler (in the current compilation mode) supports exceptions, // DEFINE _ stl_use_exceptions // (14) If we put STL into the namespace, // defines _ stl_use_namespaces // (15) if the STL is compiled on the SGI compiler, the user does not select pthreads or no threads. // The _ stl_sgi_threads is used by default. // Note: POSIX thread is short for pthread, and POSIX thread is a POSIX standard thread. // (16) if the STL is compiled in multi-thread mode on the Win32 platform compiler, // DEFINE _ stl_win32threads // (17) appropriately define namespaces related macros (_ STD, _ stl_begin_namespace, etc.) // (18) appropriately define the macros related to exceptions (_ stl_try, _ stl_unwind, etc.) // (19) define _ stl_assertions as asserted or empty based on whether to define _ stl_assert (null Macro) # ifdef _ pthreads # DEFINE _ stl_pthreads # endif // If the compiler does not provide the functions required by this STL, define _ stl_need_xxx # If defined (_ SGI) &&! Defined (_ gnuc _) # If! Defined (_ bool) # DEFINE _ stl_need_bool # endif # If! Defined (_ typename_is_keyword) # DEFINE _ parameters # endif # ifdef _ parameters # DEFINE _ parameters # endif # ifdef _ member_templates # DEFINE _ stl_member_templates # endif # If! Defined (_ explicit_is_keyword) # DEFINE _ tions # endif # ifdef _ exceptions # DEFINE _ stl_use_exceptions # endif # If (_ compiler_version> = 721) & defined (_ namespaces) # DEFINE _ stl_use_namespaces # endif # If! Defined (_ nothreads )&&! Defined (_ stl_pthreads) # DEFINE _ stl_sgi_threads # endif # ifdef _ gnuc __# include <_ g_config.h> # If _ gnuc _ <2 | (_ gnuc _ = 2 & _ gnuc_minor _ <8) # DEFINE _ DEFINE # DEFINE _ stl_need_typename # DEFINE _ stl_need_explicit # else # DEFINE _ stl_class_partial_specialization # DEFINE _ DEFINE # DEFINE __ Stl_member_templates # endif/* glibc pre 2.0 is very buggy. We have to disable thread for it. It shoshould be upgraded to glibc 2.0 or later. */# If! Defined (_ nothreads) & _ glibc _> = 2 & defined (_ g_using_thunks) # DEFINE _ stl_pthreads # endif # ifdef _ exceptions # DEFINE _ stl_use_exceptions # endif // Sun C ++ compiler # If defined (_ sunpro_cc) # DEFINE _ stl_need_bool # DEFINE _ stl_need_typename # DEFINE _ stl_need_explicit # DEFINE _ stl_use_exceptions # endif // todo: I have not found any information, if you know or have relevant information, please contact me, thank u # If defined (_ como _) # DEFINE _ stl_me Mber_templates # DEFINE _ limits # DEFINE _ stl_use_tions # DEFINE _ stl_use_namespaces # endif // _ msc_ver defines Microsoft compiler versions // ms vc ++ 10.0 _ msc_ver = 1600 // ms vc + + 9.0 _ msc_ver = 1500 // ms vc + + 8.0 _ msc_ver = 1400 // ms vc + + 7.1 _ msc_ver = 1310 // ms vc + + 7.0 _ msc_ver = 1300 // ms vc ++ 6.0 _ msc_ver = 1200 // ms vc ++ 5.0 _ msc_ver = 1100 # If defined (_ msc_ver) # If _ msc_ver> 1000 # I Nclude <yvals. h> # else # DEFINE _ stl_need_bool # endif # DEFINE _ stl_no_drand48 # DEFINE _ else # If _ msc_ver <1100 # DEFINE _ stl_need_explicit # endif # DEFINE _ else # define _ Conditions # ifdef _ cppunwind # DEFINE _ stl_use_tions # endif # ifdef _ Mt # DEFINE _ stl_win32threads # endif # If defined (_ BorlandC __) # DEFINE _ stl_no_drand48 # define _ Stl_need_typename # DEFINE _ items # ifdef _ cppunwind # DEFINE _ stl_use_exceptions # endif # ifdef _ Mt __# DEFINE _ stl_win32threads # endif # If defined (_ stl_need_bool) typedef int bool; # define true 1 # define false 0 # endif # ifdef _ stl_need_typename # define typename # endif # ifdef _ stl_need_ex Plicit # Define explicit # endif # ifdef _ parameters # DEFINE _ stl_null_tmpl_args <> # else # DEFINE _ parameters # endif # ifdef _ parameters # DEFINE _ stl_template_null template <> # else # DEFINE _ stl_template_null # endif/_ stl_no_namespaces is a hook so that users can disable namespaces // without having to edit library headers. # If defined (_ stl_use _ Namespaces )&&! Defined (_ stl_no_namespaces) # DEFINE _ STD # DEFINE _ stl_begin_namespace STD {# DEFINE _ stl_end_namespace} # DEFINE _ extension # DEFINE _ inclunamespace STD {# DEFINE _ stl_end_relops_namespace }# define _ std_relops STD # else # DEFINE _ STD # DEFINE _ stl_begin_namespace # DEFINE _ stl_end_namespace # UNDEF _ stl_use_namespace_for_relops # define _ DEFINE # DEFINE _ stl_end_relops_namespace # DEFINE _ std_relops # endif # ifdef _ stl_use_exceptions # DEFINE _ stl_try try # DEFINE _ stl_catch_all catch (...) # DEFINE _ stl_rethrow throw # DEFINE _ stl_nothrow throw () # DEFINE _ stl_unwind (Action) catch (...) {action; throw ;}# else # DEFINE _ stl_try # DEFINE _ stl_catch_all if (false) # DEFINE _ stl_rethrow # DEFINE _ stl_nothrow # de Fine _ stl_unwind (Action) # endif # ifdef _ stl_assertions # include <stdio. h> # DEFINE _ stl_assert (expr) \ If (! (Expr) {fprintf (stderr, "% s: % d STL assertion failure: % s \ n", \ _ file __, _ line __, # expr ); abort () ;}# else # DEFINE _ stl_assert (expr) # endif/* _ stl_config_h * // local variables: // mode: c ++ // end: