gcc/testsuite/lib/torture-options.exp

   1 # Copyright (C) 2008-2016 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 # Argument 2 is the list to be appended to the torture options after
  52 # combining argument 0 and 1.
  53 proc set-torture-options { args } {
  54     global torture_with_loops torture_without_loops
  55
  56     set torture_list [lindex $args 0]
  57
  58     if { [llength $args] > 1 } {
  59         set other_list [lindex $args 1]
  60     } else {
  61         set other_list [list {}]
  62     }
  63
  64     set torture_with_loops ""
  65     set torture_without_loops ""
  66     foreach torture_opts $torture_list {
  67         foreach other_opts $other_list {
  68             # Remove trailing space[s] to match previous output.
  69             set torture_opts [string trimright $torture_opts]
  70             if ![contains-loop-option-p $torture_opts] {
  71                 lappend torture_without_loops "$torture_opts $other_opts"
  72             }
  73             lappend torture_with_loops "$torture_opts $other_opts"
  74         }
  75     }
  76
  77     if { [llength $args] > 2 } {
  78         set append_list [lindex $args 2]
  79         append torture_with_loops " $append_list"
  80         append torture_without_loops " $append_list"
  81     }
  82 }
  83
  84 # Finish up after using a set of torture options.
  85 #
  86 # Letting options leak from one set of tests to another can be confusing.
  87 # Make sure variables are set at the time we're called, and then unset
  88 # them to prevent interference with other sets of tests.
  89 proc torture-finish { args } {
  90     global torture_without_loops torture_with_loops
  91
  92     if [info exists torture_without_loops] {
  93         unset torture_without_loops
  94     } else {
  95         error "torture-finish: torture_without_loops is not defined"
  96     }
  97
  98     if [info exists torture_with_loops] {
  99         unset torture_with_loops
 100     } else {
 101         error "torture-finish: torture_with_loops is not defined"
 102     }
 103 }
 104
 105 # Useful for debugging .exp files.
 106 proc dump-torture-options { args } {
 107     global torture_without_loops torture_with_loops
 108
 109     if [info exists torture_without_loops] {
 110         verbose "torture_without_loops = \"${torture_without_loops}\"" 1
 111     } else {
 112         verbose "torture_without_loops is not defined" 1
 113     }
 114
 115     if [info exists torture_with_loops] {
 116         verbose "torture_with_loops = \"${torture_with_loops}\"" 1
 117     } else {
 118         verbose "torture_with_loops is not defined" 1
 119     }
 120 }