tests/synclines.at

   1 # Executing Actions.                               -*- 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([[User Actions.]])
  20
  21
  22 # AT_SYNCLINES_COMPILE(FILE)
  23 # --------------------------
  24 # Compile FILE expecting an error, and save in the file stdout the normalized
  25 # output.
  26 m4_define([AT_SYNCLINES_COMPILE],
  27 [AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1 || (exit 1)], 1, [], [stderr])
  28 # In case GCC displays column information, strip it down.
  29 #
  30 #   input.y:4:2: #error "4"    or input.y:4.2: #error "4"
  31 # =>
  32 #   input.y:4: #error "4"
  33 #
  34 AT_CHECK([[sed 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' stderr]], 0, [stdout])
  35 ])
  36
  37 # AT_TEST_SYNCLINE(TITLE, INPUT, ERROR-MSG)
  38 # -----------------------------------------
  39 # Check that compiling the parser produced from INPUT cause GCC
  40 # to issue ERROR-MSG.
  41 m4_define([AT_TEST_SYNCLINE],
  42 [AT_SETUP([$1])
  43
  44 # It seems impossible to find a generic scheme to check the location
  45 # of an error.  Even requiring GCC is not sufficient, since for instance
  46 # the version modified by Apple:
  47 #
  48 # | Reading specs from /usr/libexec/gcc/darwin/ppc/2.95.2/specs
  49 # | Apple Computer, Inc. version gcc-934.3, based on gcc version 2.95.2
  50 # | 19991024 (release) configure:2124: $? = 0
  51 #
  52 # instead of:
  53 #
  54 # | input.y:2: #error "2"
  55 #
  56 # it reports:
  57 #
  58 # | input.y:2: "2"
  59 # | cpp-precomp: warning: errors during smart preprocessing, retrying in basic mode
  60
  61 AT_DATA([syncline.c],
  62 [[#error "1"
  63 ]])
  64
  65 AT_SYNCLINES_COMPILE([syncline.c])
  66 AT_CHECK([[test "`cat stdout`" = 'syncline.c:1: @%:@error "1"' || exit 77]])
  67
  68 AT_DATA([[input.y]], [$2])
  69 AT_CHECK([bison input.y -o input.c])
  70 AT_SYNCLINES_COMPILE([input.c])
  71 AT_CHECK([cat stdout], 0, [$3])
  72 AT_CLEANUP
  73 ])
  74
  75
  76 ## --------------------- ##
  77 ## Prologue synch line.  ##
  78 ## --------------------- ##
  79
  80
  81 AT_TEST_SYNCLINE([Prologue synch line],
  82 [[%{
  83 #error "2"
  84 void yyerror (const char *s);
  85 int yylex (void);
  86 %}
  87 %%
  88 exp: '0';
  89 ]],
  90 [input.y:2: #error "2"
  91 ])
  92
  93
  94 ## ------------------- ##
  95 ## %union synch line.  ##
  96 ## ------------------- ##
  97
  98 AT_TEST_SYNCLINE([%union synch line],
  99 [[%union {
 100 #error "2"
 101 }
 102 %{
 103 void yyerror (const char *s);
 104 int yylex (void);
 105 %}
 106 %%
 107 exp: '0';
 108 ]],
 109 [input.y:2: #error "2"
 110 ])
 111
 112
 113 ## ------------------------- ##
 114 ## Postprologue synch line.  ##
 115 ## ------------------------- ##
 116
 117 AT_TEST_SYNCLINE([Postprologue synch line],
 118 [[%{
 119 void yyerror (const char *s);
 120 int yylex (void);
 121 %}
 122 %union
 123 {
 124   int ival;
 125 }
 126 %{
 127 #error "10"
 128 %}
 129 %%
 130 exp: '0';
 131 ]],
 132 [input.y:10: #error "10"
 133 ])
 134
 135
 136 ## ------------------- ##
 137 ## Action synch line.  ##
 138 ## ------------------- ##
 139
 140 AT_TEST_SYNCLINE([Action synch line],
 141 [[%{
 142 void yyerror (const char *s);
 143 int yylex (void);
 144 %}
 145 %%
 146 exp:
 147 {
 148 #error "8"
 149 };
 150 ]],
 151 [input.y:8: #error "8"
 152 ])
 153
 154
 155 ## --------------------- ##
 156 ## Epilogue synch line.  ##
 157 ## --------------------- ##
 158
 159 AT_TEST_SYNCLINE([Epilogue synch line],
 160 [[%{
 161 void yyerror (const char *s);
 162 int yylex (void);
 163 %}
 164 %%
 165 exp: '0';
 166 %%
 167 #error "8"
 168 ]],
 169 [input.y:8: #error "8"
 170 ])