tests/headers.at

   1 # Bison Parser Headers.                               -*- Autotest -*-
   2 # Copyright (C) 2001, 2002, 2006, 2007, 2009 Free Software Foundation,
   3 # Inc.
   4
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 AT_BANNER([[Parser Headers.]])
  19
  20
  21 ## ---------------------- ##
  22 ## %union and --defines.  ##
  23 ## ---------------------- ##
  24
  25
  26 AT_SETUP([%union and --defines])
  27
  28 AT_DATA([input.y],
  29 [%union
  30 {
  31   int   integer;
  32   char *string ;
  33 }
  34 %%
  35 exp: {};
  36 ])
  37
  38 AT_BISON_CHECK([--defines input.y])
  39
  40 AT_CLEANUP
  41
  42
  43
  44 ## --------------------- ##
  45 ## Invalid CPP headers.  ##
  46 ## --------------------- ##
  47
  48 # AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
  49 # -------------------------------------
  50 m4_define([AT_TEST_CPP_GUARD_H],
  51 [AT_SETUP([Invalid CPP guards: $1])
  52
  53 # Possibly create inner directories.
  54 dirname=`AS_DIRNAME([$1])`
  55 AS_MKDIR_P([$dirname])
  56
  57 AT_DATA_GRAMMAR([$1.y],
  58 [%{
  59 #include <$1.h>
  60 void yyerror (const char *);
  61 int yylex (void);
  62 %}
  63 %%
  64 dummy:;
  65 %%
  66 #include <$1.h>
  67 ])
  68
  69 AT_BISON_CHECK([--defines=$1.h --output=y.tab.c $1.y])
  70
  71 AT_COMPILE([y.tab.o], [-I. -c y.tab.c])
  72
  73 AT_CLEANUP
  74 ])
  75
  76 AT_TEST_CPP_GUARD_H([input/input])
  77 AT_TEST_CPP_GUARD_H([9foo])
  78
  79
  80
  81 ## ---------------- ##
  82 ## export YYLTYPE.  ##
  83 ## ---------------- ##
  84
  85
  86 AT_SETUP([export YYLTYPE])
  87
  88 AT_DATA_GRAMMAR([input.y],
  89 [%locations
  90
  91 %name-prefix "my_"
  92 %{
  93 #include <stdio.h>
  94 #include <stdlib.h>
  95
  96 static int
  97 my_lex (void)
  98 {
  99   return EOF;
 100 }
 101
 102 static void
 103 my_error (const char *msg)
 104 {
 105   fprintf (stderr, "%s\n", msg);
 106 }
 107
 108 %}
 109 %%
 110 exp:;
 111 ])
 112
 113 AT_BISON_CHECK([--defines -o input.c input.y])
 114
 115 # YYLTYPE should be defined, and MY_LLOC declared.
 116 AT_DATA([caller.c],
 117 [[#include "input.h"
 118 YYLTYPE *my_llocp = &my_lloc;
 119
 120 int my_parse (void);
 121
 122 int
 123 main (void)
 124 {
 125   return my_parse ();
 126 }
 127 ]])
 128
 129 # Link and execute, just to make sure everything is fine (and in
 130 # particular, that MY_LLOC is indeed defined somewhere).
 131 AT_COMPILE([caller.o], [-c caller.c])
 132 AT_COMPILE([input.o], [-c input.c])
 133 AT_COMPILE([caller], [caller.o input.o])
 134 AT_PARSER_CHECK([./caller])
 135
 136 AT_CLEANUP