tests/headers.at

   1 # Bison Parser Headers.                               -*- Autotest -*-
   2
   3 # Copyright (C) 2001-2002, 2006-2007, 2009-2012 Free Software
   4 # Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 AT_BANNER([[Parser Headers.]])
  20
  21
  22 ## --------------------- ##
  23 ## Invalid CPP headers.  ##
  24 ## --------------------- ##
  25
  26 # AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
  27 # --------------------------------------------
  28 # FIXME: Much of this can be covered by calc.at.
  29 m4_define([AT_TEST_CPP_GUARD_H],
  30 [AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
  31 AT_BISON_OPTION_PUSHDEFS([$2])
  32 # Possibly create inner directories.
  33 dirname=`AS_DIRNAME([$1])`
  34 AS_MKDIR_P([$dirname])
  35
  36 AT_DATA_GRAMMAR([$1.y],
  37 [$2
  38 %{
  39 #include <$1.h>
  40 ]AT_YYERROR_DECLARE_EXTERN[
  41 ]AT_YYLEX_DECLARE_EXTERN[
  42 %}
  43 %%
  44 dummy:;
  45 %%
  46 #include <$1.h>
  47 ])
  48
  49 AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
  50
  51 AT_COMPILE([$1.o], [-I. -c $1.c])
  52
  53 AT_BISON_OPTION_POPDEFS
  54 AT_CLEANUP
  55 ])
  56
  57 AT_TEST_CPP_GUARD_H([input/input])
  58 AT_TEST_CPP_GUARD_H([9foo])
  59 AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
  60 AT_TEST_CPP_GUARD_H([9foo],        [%glr-parser])
  61
  62
  63
  64 ## ---------------- ##
  65 ## export YYLTYPE.  ##
  66 ## ---------------- ##
  67
  68
  69 AT_SETUP([export YYLTYPE])
  70
  71 AT_DATA_GRAMMAR([input.y],
  72 [%locations
  73
  74 %name-prefix "my_"
  75 %{
  76 #include <stdio.h>
  77 #include <stdlib.h>
  78
  79 static int
  80 my_lex (void)
  81 {
  82   return EOF;
  83 }
  84
  85 static void
  86 my_error (const char *msg)
  87 {
  88   fprintf (stderr, "%s\n", msg);
  89 }
  90
  91 %}
  92 %%
  93 exp:;
  94 ])
  95
  96 AT_BISON_CHECK([--defines -o input.c input.y])
  97
  98 # YYLTYPE should be defined, and MY_LLOC declared.
  99 AT_DATA([caller.c],
 100 [[#include "input.h"
 101 YYLTYPE *my_llocp = &my_lloc;
 102
 103 int my_parse (void);
 104
 105 int
 106 main (void)
 107 {
 108   return my_parse ();
 109 }
 110 ]])
 111
 112 # Link and execute, just to make sure everything is fine (and in
 113 # particular, that MY_LLOC is indeed defined somewhere).
 114 AT_COMPILE([caller.o])
 115 AT_COMPILE([input.o])
 116 AT_COMPILE([caller], [caller.o input.o])
 117 AT_PARSER_CHECK([./caller])
 118
 119 AT_CLEANUP
 120
 121 ## ----------------- ##
 122 ## Several parsers.  ##
 123 ## ----------------- ##
 124
 125 AT_SETUP([Several parsers])
 126
 127 # AT_DATA_GRAMMAR_SEVERAL([PREFIX], [DIRECTIVES])
 128 # -----------------------------------------------
 129 # Generate and compile to *.o.  Make sure there is no YY* nor yy* in
 130 # the header (but YYDEBUG and YYPARSE_PARAM).
 131 m4_define([AT_DATA_GRAMMAR_SEVERAL],
 132 [AT_BISON_OPTION_PUSHDEFS([%define api.prefix "$1_" $2])
 133 AT_DATA_GRAMMAR([$1.AT_SKEL_CC_IF([yy], [y])],
 134 [[%define api.prefix "$1_"
 135 $2
 136 %union
 137 {
 138   int integer;
 139 }
 140 %{
 141 #include <stdio.h>
 142   ]AT_YYERROR_DECLARE[
 143   ]AT_YYLEX_DECLARE[
 144 %}
 145 %%
 146 exp:
 147   'x' '1' { printf ("x1\n"); }
 148 | 'x' '2' { printf ("x2\n"); }
 149 | 'x' '3' { printf ("x3\n"); }
 150 | 'x' '4' { printf ("x4\n"); }
 151 | 'x' '5' { printf ("x5\n"); }
 152 | 'x' '6' { printf ("x6\n"); }
 153 ;
 154
 155 %%
 156 ]AT_YYERROR_DEFINE[
 157 ]AT_YYLEX_DEFINE(["$1"])[
 158 ]])
 159
 160 AT_BISON_CHECK([-d -o AT_SKEL_CC_IF([$1.cc $1.yy], [$1.c $1.y])])
 161 # C++ output relies on namespaces and still uses yy a lot.
 162 AT_SKEL_CC_IF([],
 163   [AT_CHECK([$EGREP yy $1.h], [1])])
 164
 165 # Ignore comments. Ignore YYPARSE_PARAM.  YYDEBUG (not renamed) can be
 166 # read, but not changed.
 167 AT_CHECK([[sed -ne 's,/\*[^*]*\*/,,g;s,//.*,,' \
 168                 -e '/YY/p' ]$1.AT_SKEL_CC_IF([hh], [h])[ |
 169          $EGREP -wv '(YYPARSE_PARAM|defined YYDEBUG|if YYDEBUG)']],
 170          [1])
 171 AT_LANG_COMPILE([$1.o])
 172 AT_BISON_OPTION_POPDEFS
 173 ])
 174
 175 AT_DATA([main.cc],
 176 [AT_DATA_SOURCE_PROLOGUE
 177 [extern "C"
 178 {
 179   #include "x1.h"
 180   #include "x2.h"
 181   #include "x3.h"
 182   #include "x4.h"
 183 }
 184 #include "x5.hh"
 185 //#include "x6.hh"
 186
 187 #define ECHO(S) std::cerr << #S": " << S << std::endl;
 188
 189 int
 190 main (void)
 191 {
 192   ECHO(x1_parse());
 193   ECHO(x2_parse());
 194   ECHO(x3_parse());
 195   ECHO(x4_parse());
 196   x5_::parser p5;
 197   ECHO(p5.parse());
 198 //  x6_::parser p6;
 199 //  ECHO(p6.parse());
 200   return 0;
 201 }
 202 ]])
 203
 204 AT_DATA_GRAMMAR_SEVERAL([x1], [])
 205 AT_DATA_GRAMMAR_SEVERAL([x2], [%locations %debug])
 206 AT_DATA_GRAMMAR_SEVERAL([x3], [%glr-parser])
 207 AT_DATA_GRAMMAR_SEVERAL([x4], [%locations %debug %glr-parser])
 208 AT_DATA_GRAMMAR_SEVERAL([x5], [%locations %debug %language "c++"])
 209 #AT_DATA_GRAMMAR_SEVERAL([x5], [%locations %language "c++" %glr-parser])
 210
 211 AT_COMPILE_CXX([parser], [x1.o x2.o x3.o x4.o x5.o main.cc])
 212 AT_CHECK([./parser], [0],
 213 [[x1
 214 x2
 215 x3
 216 x4
 217 x5
 218 ]],
 219 [[x1_parse(): 0
 220 x2_parse(): 0
 221 x3_parse(): 0
 222 x4_parse(): 0
 223 p5.parse(): 0
 224 ]])
 225
 226 AT_CLEANUP