tests/input.at

   1 # Checking the output filenames.                    -*- Autotest -*-
   2 # Copyright (C) 2002 Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  17 # 02111-1307, USA.
  18
  19 AT_BANNER([[Input Processing.]])
  20
  21 # Mostly test that we are robust to mistakes.
  22
  23
  24 ## ----------------------- ##
  25 ## Torturing the Scanner.  ##
  26 ## ----------------------- ##
  27
  28 AT_SETUP([Torturing the Scanner])
  29
  30 AT_DATA([input.y],
  31 [[%{
  32 /* This is seen in GCC: a %{ and %} in middle of a comment. */
  33 const char *foo = "So %{ and %} can be here.";
  34 %}
  35 /* %{ and %} can be here too. */
  36
  37 %%
  38 exp: 'a';
  39 ]])
  40
  41 AT_CHECK([bison input.y])
  42
  43 AT_CLEANUP
  44
  45
  46
  47
  48 ## ------------ ##
  49 ## Invalid $n.  ##
  50 ## ------------ ##
  51
  52 AT_SETUP([Invalid $n])
  53
  54 AT_DATA([input.y],
  55 [[%%
  56 exp: { $$ = $1 ; };
  57 ]])
  58
  59 AT_CHECK([bison input.y], [1], [],
  60 [[input.y:2.6-14: invalid value: $1
  61 ]])
  62
  63 AT_CLEANUP
  64
  65
  66 ## ------------ ##
  67 ## Invalid @n.  ##
  68 ## ------------ ##
  69
  70 AT_SETUP([Invalid @n])
  71
  72 AT_DATA([input.y],
  73 [[%%
  74 exp: { @$ = @1 ; };
  75 ]])
  76
  77 AT_CHECK([bison input.y], [1], [],
  78 [[input.y:2.6-14: invalid value: @1
  79 ]])
  80
  81 AT_CLEANUP
  82
  83
  84 ## -------------- ##
  85 ## Type clashes.  ##
  86 ## -------------- ##
  87
  88 AT_SETUP([Type clashes])
  89
  90 AT_DATA([input.y],
  91 [[%token foo
  92 %type <bar> exp
  93 %%
  94 exp: foo {} foo
  95    | foo
  96    | /* Empty. */
  97    ;
  98 ]])
  99
 100 AT_CHECK([bison input.y], [1], [],
 101 [[input.y:5: type clash (`bar' `') on default action
 102 input.y:6: type clash (`bar' `') on default action
 103 input.y:7: empty rule for typed nonterminal, and no action
 104 ]])
 105
 106 AT_CLEANUP