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

   1 #   Copyright (C) 1997-2023 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 requires a newer C++ version than which
  57                 # is tested by default, use that C++ version for that
  58                 # single test.  Or if a test checks behavior specifically for
  59                 # one C++ version, include that version in the default list.
  60                 # These should be adjusted whenever the default std_list is
  61                 # updated or newer C++ effective target is added.
  62                 if [search_for $test "\{ dg-do * \{ target c++23"] {
  63                     set std_list { 23 26 }
  64                 } elseif [search_for $test "\{ dg-do * \{ target c++26"] {
  65                     set std_list { 26 }
  66                 } elseif [search_for $test "c++11_only"] {
  67                     set std_list { 98 11 14 20 }
  68                 } else {
  69                     set std_list { 98 14 17 20 }
  70                 }
  71             }
  72             set option_list { }
  73             foreach x $std_list {
  74                 if { $x eq "impcx" } then { set x "26 -fimplicit-constexpr" }
  75                 lappend option_list "${std_prefix}$x"
  76             }
  77         } else {
  78             set option_list { "" }
  79         }
  80
  81         set nshort [file tail [file dirname $test]]/[file tail $test]
  82
  83         foreach flags_t $option_list {
  84             verbose "Testing $nshort, $flags $flags_t" 1
  85             dg-test $test "$flags $flags_t" ${default-extra-flags}
  86         }
  87     }
  88 }