tests/headers.at

   1 # Bison Parser Headers.                               -*- Autotest -*-
   2 # Copyright (C) 2001, 2002, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA
  17 # 02110-1301, USA.
  18
  19 AT_BANNER([[Parser Headers.]])
  20
  21
  22 ## ---------------------- ##
  23 ## %union and --defines.  ##
  24 ## ---------------------- ##
  25
  26
  27 AT_SETUP([%union and --defines])
  28
  29 AT_DATA([input.y],
  30 [%union
  31 {
  32   int   integer;
  33   char *string ;
  34 }
  35 %%
  36 exp: {};
  37 ])
  38
  39 AT_CHECK([bison --defines input.y])
  40
  41 AT_CLEANUP
  42
  43
  44
  45 ## --------------------- ##
  46 ## Invalid CPP headers.  ##
  47 ## --------------------- ##
  48
  49 # AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
  50 # -------------------------------------
  51 m4_define([AT_TEST_CPP_GUARD_H],
  52 [AT_SETUP([Invalid CPP guards: $1])
  53
  54 # Possibly create inner directories.
  55 dirname=`AS_DIRNAME([$1])`
  56 AS_MKDIR_P([$dirname])
  57
  58 AT_DATA_GRAMMAR([$1.y],
  59 [%{
  60 #include <$1.h>
  61 void yyerror (const char *);
  62 int yylex (void);
  63 %}
  64 %%
  65 dummy:;
  66 %%
  67 #include <$1.h>
  68 ])
  69
  70 AT_CHECK([bison --defines=$1.h --output=y.tab.c $1.y])
  71
  72 AT_COMPILE([y.tab.o], [-I. -c y.tab.c])
  73
  74 AT_CLEANUP
  75 ])
  76
  77 AT_TEST_CPP_GUARD_H([input/input])
  78 AT_TEST_CPP_GUARD_H([9foo])
  79
  80
  81
  82 ## ---------------- ##
  83 ## export YYLTYPE.  ##
  84 ## ---------------- ##
  85
  86
  87 AT_SETUP([export YYLTYPE])
  88
  89 AT_DATA_GRAMMAR([input.y],
  90 [%locations
  91
  92 %name-prefix "my_"
  93 %{
  94 #include <stdio.h>
  95 #include <stdlib.h>
  96
  97 static int
  98 my_lex (void)
  99 {
 100   return EOF;
 101 }
 102
 103 static void
 104 my_error (const char *msg)
 105 {
 106   fprintf (stderr, "%s\n", msg);
 107 }
 108
 109 %}
 110 %%
 111 exp:;
 112 ])
 113
 114 AT_CHECK([bison --defines -o input.c input.y])
 115
 116 # YYLTYPE should be defined, and MY_LLOC declared.
 117 AT_DATA([caller.c],
 118 [[#include "input.h"
 119 YYLTYPE *my_llocp = &my_lloc;
 120
 121 int my_parse (void);
 122
 123 int
 124 main (void)
 125 {
 126   return my_parse ();
 127 }
 128 ]])
 129
 130 # Link and execute, just to make sure everything is fine (and in
 131 # particular, that MY_LLOC is indeed defined somewhere).
 132 AT_COMPILE([caller.o], [-c caller.c])
 133 AT_COMPILE([input.o], [-c input.c])
 134 AT_COMPILE([caller], [caller.o input.o])
 135 AT_PARSER_CHECK([./caller])
 136
 137 AT_CLEANUP