# Bison Parser Headers. -*- Autotest -*-
# Copyright (C) 2001-2002, 2006-2007, 2009-2015 Free Software
# Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
AT_BANNER([[Parser Headers.]])
## --------------------- ##
## Invalid CPP headers. ##
## --------------------- ##
# AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
# --------------------------------------------
# FIXME: Much of this can be covered by calc.at.
m4_define([AT_TEST_CPP_GUARD_H],
[AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
AT_BISON_OPTION_PUSHDEFS([$2])
# Possibly create inner directories.
dirname=`AS_DIRNAME([$1])`
AS_MKDIR_P([$dirname])
AT_DATA_GRAMMAR([$1.y],
[$2
%{
#include <$1.h>
]AT_YYERROR_DECLARE_EXTERN[
]AT_YYLEX_DECLARE_EXTERN[
%}
%%
dummy: /* empty */;
%%
#include <$1.h>
])
AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
AT_COMPILE([$1.o], [-I. -c $1.c])
AT_BISON_OPTION_POPDEFS
AT_CLEANUP
])
AT_TEST_CPP_GUARD_H([input/input])
AT_TEST_CPP_GUARD_H([9foo])
AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
AT_TEST_CPP_GUARD_H([9foo], [%glr-parser])
## ---------------- ##
## export YYLTYPE. ##
## ---------------- ##
AT_SETUP([export YYLTYPE])
AT_BISON_OPTION_PUSHDEFS([%name-prefix "my_"])
AT_DATA_GRAMMAR([input.y],
[[%locations
%name-prefix "my_"
%{
#include
#include
]AT_YYERROR_DEFINE[
]AT_YYLEX_DEFINE[
%}
%%
exp: /* empty */;
]])
AT_BISON_CHECK([--defines -o input.c input.y])
# YYLTYPE should be defined, and MY_LLOC declared.
AT_DATA([caller.c],
[[#include "input.h"
YYLTYPE *my_llocp = &my_lloc;
int my_parse (void);
]AT_MAIN_DEFINE[
]])
# Link and execute, just to make sure everything is fine (and in
# particular, that MY_LLOC is indeed defined somewhere).
AT_COMPILE([caller.o])
AT_COMPILE([input.o])
AT_COMPILE([caller], [caller.o input.o])
AT_PARSER_CHECK([./caller])
AT_BISON_OPTION_POPDEFS
AT_CLEANUP
## ----------------- ##
## Several parsers. ##
## ----------------- ##
AT_SETUP([Several parsers])
# AT_TEST([PREFIX], [DIRECTIVES])
# -------------------------------
# Generate and compile to *.o. Make sure there is no (allowed) YY*
# nor yy* identifiers in the header. Check that headers are
# self-contained, and can be compiled by a C++ compiler.
m4_pushdef([AT_TEST],
[AT_BISON_OPTION_PUSHDEFS([%define api.prefix {$1_} $2])
AT_DATA_GRAMMAR([$1.y],
[[%define api.prefix {$1_}
$2
%error-verbose
%union
{
int integer;
}
%{
#include
]AT_YYERROR_DECLARE[
]AT_YYLEX_DECLARE[
%}
%%
exp:
'x' '1' { printf ("x1\n"); }
| 'x' '2' { printf ("x2\n"); }
| 'x' '3' { printf ("x3\n"); }
| 'x' '4' { printf ("x4\n"); }
| 'x' '5' { printf ("x5\n"); }
| 'x' '6' { printf ("x6\n"); }
| 'x' '7' { printf ("x7\n"); }
| 'x' '8' { printf ("x8\n"); }
;
%%
]AT_YYERROR_DEFINE[
]AT_YYLEX_DEFINE(["$1"])[
]])
AT_BISON_CHECK([-d -o $1.AT_SKEL_CC_IF([cc], [c]) $1.y])
AT_LANG_COMPILE([$1.o])
AT_CHECK([[echo "$1" >>expout]])
AT_BISON_OPTION_POPDEFS
])# AT_TEST
AT_DATA([main.cc],
[AT_DATA_SOURCE_PROLOGUE
[// If we are compiling with CC=$CXX, then do not load the C headers
// inside extern "C", since they were _not_ compiled this way.
#if ! CC_IS_CXX
extern "C"
{
#endif
#include "x1.h"
#include "x2.h"
#include "x3.h"
#include "x4.h"
#include "x6.h"
#include "x7.h"
#include "x8.h"
#if ! CC_IS_CXX
}
#endif
#include "x5.hh"
//#include "x6.hh"
#define RUN(S) \
do { \
int res = S; \
if (res) \
std::cerr << #S": " << res << std::endl; \
} while (false)
int
main (void)
{
RUN(x1_parse());
RUN(x2_parse());
RUN(x3_parse());
RUN(x4_parse());
x5_::parser p5;
RUN(p5.parse());
RUN(x6_parse());
RUN(x7_parse());
RUN(x8_parse());
// x6_::parser p6;
// RUN(p6.parse());
return 0;
}
]])# main.cc
AT_TEST([x1], [])
AT_TEST([x2], [%locations %debug])
AT_TEST([x3], [%glr-parser])
AT_TEST([x4], [%locations %debug %glr-parser])
AT_TEST([x5], [%locations %debug %language "c++"])
AT_TEST([x6], [%define api.pure])
AT_TEST([x7], [%define api.push-pull both])
AT_TEST([x8], [%define api.pure %define api.push-pull both])
#AT_TEST([x5], [%locations %language "c++" %glr-parser])
# Check there is no 'yy' left.
# C++ output relies on namespaces and still uses yy a lot.
#
# Check there is no 'YY' left.
# Ignore comments, YYChar (template parameter), YYPUSH_MORE(_DEFINED)?
# (constant definition), YY_\w+_INCLUDED (header guards).
# YYDEBUG (not renamed) can be read, but not changed.
AT_CHECK([[$PERL -n -0777 -e '
s{/\*.*?\*/}{}gs;
s{//.*}{}g;
s{\b(YYChar
|YYPUSH_MORE(?:_DEFINED)?
|YYUSE
|YY_ATTRIBUTE(?:_PURE|_UNUSED)?
|YY_IGNORE_MAYBE_UNINITIALIZED_(?:BEGIN|END)
|YY_INITIAL_VALUE
|YY_\w+_INCLUDED
|YY_NULLPTR
|(defined|if)\ YYDEBUG
)\b}{}gx;
while (/^(.*YY.*)$/gm)
{
print "$ARGV: invalid exported YY: $1\n";
}
if ($ARGV =~ /\.h$/)
{
while (/^(.*yy.*)$/gm)
{
print "$ARGV: invalid exported yy: $1\n";
}
}
' -- *.hh *.h]])
# Check that the headers are self-contained, and protected against
# multiple inclusions. While at it, check they are sane for C++.
for h in *.h *.hh
do
# No shell expansion with AT_DATA.
cat >$h.cc <