gcc/testsuite/lib/g++-dg.exp

   1 #   Copyright (C) 1997-2024 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # Define g++ callbacks for dg.exp.
  18
  19 load_lib gcc-dg.exp
  20
  21 proc g++-dg-test { prog do_what extra_tool_flags } {
  22     return [gcc-dg-test-1 g++_target_compile $prog $do_what $extra_tool_flags]
  23 }
  24
  25
  26 proc g++-dg-prune { system text } {
  27     return [gcc-dg-prune $system $text]
  28 }
  29
  30 # Modified dg-runtest that runs tests in multiple standard modes,
  31 # unless they specifically specify one standard.
  32 proc g++-dg-runtest { testcases flags default-extra-flags } {
  33     global runtests
  34
  35     foreach test $testcases {
  36         # If we're only testing specific files and this isn't one of them, skip it.
  37         if ![runtest_file_p $runtests $test] {
  38             continue
  39         }
  40
  41         # If the testcase specifies a standard, use that one.
  42         # If not, run it under several standards, allowing GNU extensions
  43         # if there's a dg-options line.
  44         if ![search_for $test "-std=*++"] {
  45             if [search_for $test "dg-options"] {
  46                 set std_prefix "-std=gnu++"
  47             } else {
  48                 set std_prefix "-std=c++"
  49             }
  50
  51             # See g++.exp for the initial value of this list.
  52             global gpp_std_list
  53             if { [llength $gpp_std_list] > 0 } {
  54                 set std_list $gpp_std_list
  55             } else {
  56                 # If the test mentions specific C++ versions, test those.
  57                 set lines [get_matching_lines $test {\{ dg* c++[0-9][0-9]}]
  58                 set std_list {}
  59                 set low 0
  60                 foreach line $lines {
  61                     regexp {c\+\+([0-9][0-9])} $line -> ver
  62                     lappend std_list $ver
  63
  64                     if { $ver == 98 } {
  65                         # Leave low alone.
  66                     } elseif { [regexp {dg-do|dg-require-effective-target} $line] } {
  67                         set low $ver
  68                     }
  69                 }
  70                 #verbose "low: $low" 1
  71
  72                 set std_list [lsort -unique $std_list]
  73
  74                 # If fewer than 3 specific versions are mentioned, add more.
  75                 # The order of this list is significant: first $cxx_default,
  76                 # then the oldest and newest, then others in rough order of
  77                 # importance based on test coverage and usage.
  78                 foreach ver { 17 98 26 11 20 14 23 } {
  79                     set cmpver $ver
  80                     if { $ver == 98 } { set cmpver 03 }
  81                     if { [llength $std_list] < 3
  82                          && $ver ni $std_list
  83                          && $cmpver > $low } {
  84                         lappend std_list $ver
  85                     }
  86                 }
  87                 verbose "std_list: $std_list" 1
  88             }
  89             set option_list { }
  90             foreach x $std_list {
  91                 if { $x eq "impcx" } then { set x "26 -fimplicit-constexpr" }
  92                 lappend option_list "${std_prefix}$x"
  93             }
  94         } else {
  95             set option_list { "" }
  96         }
  97
  98         set nshort [file tail [file dirname $test]]/[file tail $test]
  99
 100         foreach flags_t $option_list {
 101             verbose "Testing $nshort, $flags $flags_t" 1
 102             dg-test $test "$flags $flags_t" ${default-extra-flags}
 103         }
 104     }
 105 }