# Bison Parser Headers. -*- Autotest -*-
-# Copyright (C) 2001-2002, 2006-2007, 2009-2012 Free Software
+# Copyright (C) 2001-2002, 2006-2007, 2009-2015 Free Software
# Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
]AT_YYLEX_DECLARE_EXTERN[
%}
%%
-dummy:;
+dummy: /* empty */;
%%
#include <$1.h>
])
AT_SETUP([export YYLTYPE])
+AT_BISON_OPTION_PUSHDEFS([%name-prefix "my_"])
AT_DATA_GRAMMAR([input.y],
-[%locations
+[[%locations
%name-prefix "my_"
%{
#include <stdio.h>
#include <stdlib.h>
-static int
-my_lex (void)
-{
- return EOF;
-}
-
-static void
-my_error (const char *msg)
-{
- fprintf (stderr, "%s\n", msg);
-}
-
+]AT_YYERROR_DEFINE[
+]AT_YYLEX_DEFINE[
%}
%%
-exp:;
-])
+exp: /* empty */;
+]])
AT_BISON_CHECK([--defines -o input.c input.y])
int my_parse (void);
-int
-main (void)
-{
- return my_parse ();
-}
+]AT_MAIN_DEFINE[
]])
# Link and execute, just to make sure everything is fine (and in
AT_COMPILE([input.o])
AT_COMPILE([caller], [caller.o input.o])
AT_PARSER_CHECK([./caller])
-
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
## ----------------- ##
AT_SETUP([Several parsers])
-# AT_DATA_GRAMMAR_SEVERAL([PREFIX], [DIRECTIVES])
-# -----------------------------------------------
-# Generate and compile to *.o. Make sure there is no YY* nor yy* in
-# the header (but YYDEBUG and YYPARSE_PARAM).
-m4_define([AT_DATA_GRAMMAR_SEVERAL],
-[AT_BISON_OPTION_PUSHDEFS([%define api.prefix "$1_" $2])
-AT_DATA_GRAMMAR([$1.AT_SKEL_CC_IF([yy], [y])],
-[[%define api.prefix "$1_"
+# 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;
| '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_YYLEX_DEFINE(["$1"])[
]])
-AT_BISON_CHECK([-d -o AT_SKEL_CC_IF([$1.cc $1.yy], [$1.c $1.y])])
-# C++ output relies on namespaces and still uses yy a lot.
-AT_SKEL_CC_IF([],
- [AT_CHECK([$EGREP yy $1.h], [1])])
-
-# Ignore comments. Ignore YYPARSE_PARAM. YYDEBUG (not renamed) can be
-# read, but not changed.
-AT_CHECK([[$PERL -0777 -e 's{/\*.*?\*/}{}sg;s,//.*,,;' \
- ]$1.AT_SKEL_CC_IF([hh], [h])[ |
- grep 'YY' |
- $EGREP -wv '(YYPARSE_PARAM|defined YYDEBUG|if YYDEBUG)']],
- [1])
+AT_BISON_CHECK([-d -o $1.AT_SKEL_CC_IF([cc], [c]) $1.y])
+
AT_LANG_COMPILE([$1.o])
+AT_CHECK([[echo "$1" >>expout]])
+
AT_BISON_OPTION_POPDEFS
-])
+])# AT_TEST
AT_DATA([main.cc],
[AT_DATA_SOURCE_PROLOGUE
-[extern "C"
+[// If we are compiling with CC=$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 ECHO(S) std::cerr << #S": " << S << std::endl;
+#define RUN(S) \
+ do { \
+ int res = S; \
+ if (res) \
+ std::cerr << #S": " << res << std::endl; \
+ } while (false)
int
main (void)
{
- ECHO(x1_parse());
- ECHO(x2_parse());
- ECHO(x3_parse());
- ECHO(x4_parse());
+ RUN(x1_parse());
+ RUN(x2_parse());
+ RUN(x3_parse());
+ RUN(x4_parse());
x5_::parser p5;
- ECHO(p5.parse());
+ RUN(p5.parse());
+ RUN(x6_parse());
+ RUN(x7_parse());
+ RUN(x8_parse());
// x6_::parser p6;
-// ECHO(p6.parse());
+// RUN(p6.parse());
return 0;
}
-]])
-
-AT_DATA_GRAMMAR_SEVERAL([x1], [])
-AT_DATA_GRAMMAR_SEVERAL([x2], [%locations %debug])
-AT_DATA_GRAMMAR_SEVERAL([x3], [%glr-parser])
-AT_DATA_GRAMMAR_SEVERAL([x4], [%locations %debug %glr-parser])
-AT_DATA_GRAMMAR_SEVERAL([x5], [%locations %debug %language "c++"])
-#AT_DATA_GRAMMAR_SEVERAL([x5], [%locations %language "c++" %glr-parser])
-
-AT_COMPILE_CXX([parser], [x1.o x2.o x3.o x4.o x5.o main.cc])
-AT_CHECK([./parser], [0],
-[[x1
-x2
-x3
-x4
-x5
-]],
-[[x1_parse(): 0
-x2_parse(): 0
-x3_parse(): 0
-x4_parse(): 0
-p5.parse(): 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 <<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
projects / bison.git / blobdiff