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 3 of the License, or
   7 # (at your option) 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, see <http://www.gnu.org/licenses/>.
  16
  17 AT_BANNER([[Parser Headers.]])
  18
  19
  20 ## ---------------------- ##
  21 ## %union and --defines.  ##
  22 ## ---------------------- ##
  23
  24
  25 AT_SETUP([%union and --defines])
  26
  27 AT_DATA([input.y],
  28 [%union
  29 {
  30   int   integer;
  31   char *string ;
  32 }
  33 %%
  34 exp: {};
  35 ])
  36
  37 AT_CHECK([bison --defines input.y])
  38
  39 AT_CLEANUP
  40
  41
  42
  43 ## --------------------- ##
  44 ## Invalid CPP headers.  ##
  45 ## --------------------- ##
  46
  47 # AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
  48 # -------------------------------------
  49 m4_define([AT_TEST_CPP_GUARD_H],
  50 [AT_SETUP([Invalid CPP guards: $1])
  51
  52 # Possibly create inner directories.
  53 dirname=`AS_DIRNAME([$1])`
  54 AS_MKDIR_P([$dirname])
  55
  56 AT_DATA_GRAMMAR([$1.y],
  57 [%{
  58 #include <$1.h>
  59 void yyerror (const char *);
  60 int yylex (void);
  61 %}
  62 %%
  63 dummy:;
  64 %%
  65 #include <$1.h>
  66 ])
  67
  68 AT_CHECK([bison --defines=$1.h --output=y.tab.c $1.y])
  69
  70 AT_COMPILE([y.tab.o], [-I. -c y.tab.c])
  71
  72 AT_CLEANUP
  73 ])
  74
  75 AT_TEST_CPP_GUARD_H([input/input])
  76 AT_TEST_CPP_GUARD_H([9foo])
  77
  78
  79
  80 ## ---------------- ##
  81 ## export YYLTYPE.  ##
  82 ## ---------------- ##
  83
  84
  85 AT_SETUP([export YYLTYPE])
  86
  87 AT_DATA_GRAMMAR([input.y],
  88 [%locations
  89
  90 %name-prefix "my_"
  91 %{
  92 #include <stdio.h>
  93 #include <stdlib.h>
  94
  95 static int
  96 my_lex (void)
  97 {
  98   return EOF;
  99 }
 100
 101 static void
 102 my_error (const char *msg)
 103 {
 104   fprintf (stderr, "%s\n", msg);
 105 }
 106
 107 %}
 108 %%
 109 exp:;
 110 ])
 111
 112 AT_CHECK([bison --defines -o input.c input.y])
 113
 114 # YYLTYPE should be defined, and MY_LLOC declared.
 115 AT_DATA([caller.c],
 116 [[#include "input.h"
 117 YYLTYPE *my_llocp = &my_lloc;
 118
 119 int my_parse (void);
 120
 121 int
 122 main (void)
 123 {
 124   return my_parse ();
 125 }
 126 ]])
 127
 128 # Link and execute, just to make sure everything is fine (and in
 129 # particular, that MY_LLOC is indeed defined somewhere).
 130 AT_COMPILE([caller.o], [-c caller.c])
 131 AT_COMPILE([input.o], [-c input.c])
 132 AT_COMPILE([caller], [caller.o input.o])
 133 AT_PARSER_CHECK([./caller])
 134
 135 AT_CLEANUP