# Bison Parser Headers. -*- Autotest -*-
-# Copyright (C) 2001, 2002, 2006 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 2, or (at your option)
-# any later version.
+# Copyright (C) 2001-2002, 2006-2007, 2009-2013 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, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Parser Headers.]])
-## ---------------------- ##
-## %union and --defines. ##
-## ---------------------- ##
-
-
-AT_SETUP([%union and --defines])
-
-AT_DATA([input.y],
-[%union
-{
- int integer;
- char *string ;
-}
-%%
-exp: {};
-])
-
-AT_CHECK([bison --defines input.y])
-
-AT_CLEANUP
-
-
-
## --------------------- ##
## Invalid CPP headers. ##
## --------------------- ##
-# AT_TEST_CPP_GUARD_H([INPUT-FILE-BASE)
-# -------------------------------------
+# 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: $1])
-
+[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>
-void yyerror (const char *);
-int yylex (void);
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
%}
%%
dummy:;
#include <$1.h>
])
-AT_CHECK([bison --defines=$1.h --output=y.tab.c $1.y])
+AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
-AT_COMPILE([y.tab.o], [-I. -c y.tab.c])
+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])
exp:;
])
-AT_CHECK([bison --defines -o input.c input.y])
+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;
-#ifndef YYPUSH_DECLS
int my_parse (void);
-#endif
int
main (void)
# Link and execute, just to make sure everything is fine (and in
# particular, that MY_LLOC is indeed defined somewhere).
-AT_COMPILE([caller.o], [-c caller.c])
-AT_COMPILE([input.o], [-c input.c])
+AT_COMPILE([caller.o])
+AT_COMPILE([input.o])
AT_COMPILE([caller], [caller.o input.o])
AT_PARSER_CHECK([./caller])
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 <stdio.h>
+ ]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([[$PERL -n -0777 -e '
+ s{/\*.*?\*/}{}gs;
+ s{//.*}{}g;
+ s{\b(YYChar
+ |YYPUSH_MORE(_DEFINED)?
+ |YY_\w+_INCLUDED
+ |YY_NULL
+ |(defined|if)\ YYDEBUG
+ )\b}{}gx;
+ while (/^(.*YY.*)$/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 <<EOF
+AT_DATA_SOURCE_PROLOGUE
+#include "$h"
+#include "$h"
+EOF
+ AT_COMPILE_CXX([$h.o])
+done
+
+# Do this late, so that other checks have been performed.
+AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
+
+AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
+AT_PARSER_CHECK([./parser], [0], [[expout]])
+
+m4_popdef([AT_TEST])
+
+AT_CLEANUP
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