gcc/testsuite/lib/torture-options.exp

   1 # Copyright (C) 2008 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 # Prepare to use a new set of torture options.
  18 #
  19 # Letting options leak from one set of tests to another can be confusing.
  20 # Make sure variables are not set at the time we're called, because that
  21 # would mean they were set without being cleared.
  22 proc torture-init { args } {
  23     global torture_without_loops global_with_loops
  24
  25     if [info exists torture_without_loops] {
  26         error "torture-init: torture_without_loops is not empty as expected"
  27     }
  28     if [info exists torture_with_loops] {
  29         error "torture-init: torture_with_loops is not empty as expected"
  30     }
  31 }
  32
  33 # Return 1 if torture options have already been set, 0 otherwise.
  34 proc torture-options-exist { args } {
  35     global torture_with_loops
  36     return [info exists torture_with_loops]
  37 }
  38
  39 # Return 1 if compiler option ARG only affects loops, 0 otherwise.
  40 proc contains-loop-option-p { arg } {
  41     switch -glob -- $arg {
  42       "*loop*"          { return 1 }
  43       default           { return 0 }
  44     }
  45 }
  46
  47 # Set torture options variables for tests with and without loops.
  48 #
  49 # Argument 0 is the list to use as torture options
  50 # Argument 1 is the list to combine with the torture options.
  51 proc set-torture-options { args } {
  52     global torture_with_loops torture_without_loops
  53
  54     set torture_list [lindex $args 0]
  55
  56     if { [llength $args] != 1 } {
  57         set other_list [lindex $args 1]
  58     } else {
  59         set other_list [list {}]
  60     }
  61
  62     set torture_with_loops ""
  63     set torture_without_loops ""
  64     foreach torture_opts $torture_list {
  65         foreach other_opts $other_list {
  66             # Remove trailing space[s] to match previous output.
  67             set torture_opts [string trimright $torture_opts]
  68             if ![contains-loop-option-p $torture_opts] {
  69                 lappend torture_without_loops "$torture_opts $other_opts"
  70             }
  71             lappend torture_with_loops "$torture_opts $other_opts"
  72         }
  73     }
  74 }
  75
  76 # Finish up after using a set of torture options.
  77 #
  78 # Letting options leak from one set of tests to another can be confusing.
  79 # Make sure variables are set at the time we're called, and then unset
  80 # them to prevent interference with other sets of tests.
  81 proc torture-finish { args } {
  82     global torture_without_loops torture_with_loops
  83
  84     if [info exists torture_without_loops] {
  85         unset torture_without_loops
  86     } else {
  87         error "torture-finish: torture_without_loops is not defined"
  88     }
  89
  90     if [info exists torture_with_loops] {
  91         unset torture_with_loops
  92     } else {
  93         error "torture-finish: torture_with_loops is not defined"
  94     }
  95 }
  96
  97 # Useful for debugging .exp files.
  98 proc dump-torture-options { args } {
  99     global torture_without_loops torture_with_loops
 100
 101     if [info exists torture_without_loops] {
 102         verbose "torture_without_loops = \"${torture_without_loops}\"" 1
 103     } else {
 104         verbose "torture_without_loops is not defined" 1
 105     }
 106
 107     if [info exists torture_with_loops] {
 108         verbose "torture_with_loops = \"${torture_with_loops}\"" 1
 109     } else {
 110         verbose "torture_with_loops is not defined" 1
 111     }
 112 }