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cd4e799da4
See https://lists.gnu.org/r/bison-patches/2020-04/msg00162.html. * data/skeletons/bison.m4, data/skeletons/c.m4, data/skeletons/glr.cc, * data/skeletons/lalr1.java, doc/bison.texi, * examples/c/bistromathic/parse.y, src/scan-gram.l, src/symtab.c (YYERRCODE): Rename as... (YYerror): this. Adjust dependencies.
366 lines
8.4 KiB
Plaintext
366 lines
8.4 KiB
Plaintext
# Bison Parser Headers. -*- Autotest -*-
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# Copyright (C) 2001-2002, 2006-2007, 2009-2015, 2018-2020 Free Software
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# Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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AT_BANNER([[Parser Headers.]])
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## --------------------- ##
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## Invalid CPP headers. ##
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## --------------------- ##
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# AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
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# --------------------------------------------
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# FIXME: Much of this can be covered by calc.at.
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m4_define([AT_TEST_CPP_GUARD_H],
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[AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
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AT_BISON_OPTION_PUSHDEFS([$2])
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# Possibly create inner directories.
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dirname=`AS_DIRNAME([$1])`
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AS_MKDIR_P([$dirname])
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AT_DATA_GRAMMAR([$1.y],
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[$2
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%{
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#include <$1.h>
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]AT_YYERROR_DECLARE_EXTERN[
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]AT_YYLEX_DECLARE_EXTERN[
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%}
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%%
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dummy: %empty;
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%%
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#include <$1.h>
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])
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AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
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AT_COMPILE([$1.o], [-I. -c $1.c])
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AT_BISON_OPTION_POPDEFS
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AT_CLEANUP
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])
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AT_TEST_CPP_GUARD_H([input/input])
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AT_TEST_CPP_GUARD_H([9foo])
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AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
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AT_TEST_CPP_GUARD_H([9foo], [%glr-parser])
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## ---------------- ##
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## export YYLTYPE. ##
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## ---------------- ##
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AT_SETUP([export YYLTYPE])
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AT_BISON_OPTION_PUSHDEFS([%name-prefix "my_"])
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AT_DATA_GRAMMAR([input.y],
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[[%locations
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%name-prefix "my_"
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%{
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#include <stdio.h>
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#include <stdlib.h>
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]AT_YYERROR_DEFINE[
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]AT_YYLEX_DEFINE[
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%}
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%%
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exp: %empty;
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]])
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AT_BISON_CHECK([--defines -o input.c input.y], [], [],
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[[input.y:11.1-18: warning: deprecated directive: '%name-prefix "my_"', use '%define api.prefix {my_}' [-Wdeprecated]
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input.y: warning: fix-its can be applied. Rerun with option '--update'. [-Wother]
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]])
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# YYLTYPE should be defined, and MY_LLOC declared.
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AT_DATA([caller.c],
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[[#include "input.h"
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YYLTYPE *my_llocp = &my_lloc;
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int my_parse (void);
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]AT_MAIN_DEFINE[
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]])
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# Link and execute, just to make sure everything is fine (and in
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# particular, that MY_LLOC is indeed defined somewhere).
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AT_COMPILE([caller.o])
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AT_COMPILE([input.o])
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AT_COMPILE([caller], [caller.o input.o])
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AT_PARSER_CHECK([caller])
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AT_BISON_OPTION_POPDEFS
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AT_CLEANUP
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## -------------- ##
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## Sane headers. ##
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## -------------- ##
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# AT_TEST([DIRECTIVES], [COMPILER-FLAGS])
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# ---------------------------------------
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# Check that headers are self-contained and protected against multiple
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# inclusions.
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m4_pushdef([AT_TEST],
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[AT_SETUP([Sane headers: $1])
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AT_BISON_OPTION_PUSHDEFS([$1])
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AT_DATA_GRAMMAR([input.y],
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[[$1
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%define parse.error verbose
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]AT_VARIANT_IF([%token <int> X],
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[%union {int integer;}
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%token <integer> X])[
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%code {
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#include <stdio.h> /* printf. */
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]AT_PUSH_IF([[
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#if defined __GNUC__ && (7 == __GNUC__ || 9 == __GNUC__)
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# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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#endif
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]])[
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]AT_YYERROR_DECLARE[
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]AT_YYLEX_DECLARE[
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}
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%%
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exp:
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X { printf ("x\n"); }
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;
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%%
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]AT_YYERROR_DEFINE[
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]AT_YYLEX_DEFINE([{AT_CXX_IF([yy::parser::token::])X, 0}])[
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]])
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AT_BISON_CHECK([-d -o input.AT_LANG_EXT input.y])
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AT_LANG_COMPILE([input.o])
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AT_DATA([main.cc],
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[AT_DATA_SOURCE_PROLOGUE
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AT_MAIN_DEFINE
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])
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# Check that the headers are self-contained, and protected against
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# multiple inclusions. While at it, check they are sane for C++.
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for h in *.AT_LANG_HDR
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do
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# No shell expansion with AT_DATA.
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cat >$h.AT_LANG_EXT <<EOF
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AT_DATA_SOURCE_PROLOGUE
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#include "$h"
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#include "$h"
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EOF
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AT_LANG_COMPILE([$h.o])
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done
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AT_BISON_OPTION_POPDEFS
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AT_CLEANUP
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])# AT_TEST
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AT_TEST([])
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AT_TEST([%locations %debug])
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AT_TEST([%glr-parser])
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AT_TEST([%locations %debug %glr-parser])
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AT_TEST([%define api.pure])
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AT_TEST([%define api.push-pull both])
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AT_TEST([%define api.pure %define api.push-pull both])
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AT_TEST([%language "c++"])
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AT_TEST([%locations %debug %language "c++"])
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AT_TEST([%language "c++" %define api.value.type variant %define parse.assert])
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AT_TEST([%locations %language "c++" %glr-parser])
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## ----------------- ##
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## Several parsers. ##
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## ----------------- ##
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AT_SETUP([Several parsers])
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# AT_TEST([PREFIX], [DIRECTIVES])
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# -------------------------------
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# Generate and compile to *.o. Make sure there is no (allowed) YY*
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# nor yy* identifiers in the header after applying api.prefix. Check
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# that headers can be compiled by a C++ compiler.
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m4_pushdef([AT_TEST],
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[AT_BISON_OPTION_PUSHDEFS([%define api.prefix {$1_} $2])
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AT_DATA_GRAMMAR([$1.y],
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[[%define api.prefix {$1_}
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$2
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%define parse.error verbose
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%union
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{
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int integer;
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}
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%{
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#include <stdio.h> /* printf. */
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]AT_PUSH_IF([[
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#if defined __GNUC__ && (7 == __GNUC__ || 9 == __GNUC__)
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# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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#endif
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]])[
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]AT_YYERROR_DECLARE[
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]AT_YYLEX_DECLARE[
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%}
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%%
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exp:
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'x' '1' { printf ("x1\n"); }
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| 'x' '2' { printf ("x2\n"); }
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| 'x' '3' { printf ("x3\n"); }
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| 'x' '4' { printf ("x4\n"); }
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| 'x' '5' { printf ("x5\n"); }
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| 'x' '6' { printf ("x6\n"); }
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| 'x' '7' { printf ("x7\n"); }
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| 'x' '8' { printf ("x8\n"); }
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| 'x' '9' { printf ("x9\n"); }
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;
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%%
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]AT_YYERROR_DEFINE[
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]AT_YYLEX_DEFINE(["$1"])[
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]])
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AT_BISON_CHECK([-d -o $1.AT_LANG_EXT $1.y])
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AT_LANG_COMPILE([$1.o])
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AT_CHECK([[echo "$1" >>expout]])
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AT_BISON_OPTION_POPDEFS
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])# AT_TEST
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AT_DATA([main.cc],
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[AT_DATA_SOURCE_PROLOGUE
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[// If we are compiling with CC=$CXX, then do not load the C headers
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// inside extern "C", since they were _not_ compiled this way.
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#if ! CC_IS_CXX
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extern "C"
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{
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#endif
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#include "x1.h"
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#include "x2.h"
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#include "x3.h"
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#include "x4.h"
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#include "x6.h"
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#include "x7.h"
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#include "x8.h"
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#if ! CC_IS_CXX
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}
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#endif
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#include "x5.hh"
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#include "x9.hh"
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#define RUN(S) \
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do { \
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int res = S; \
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if (res) \
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std::cerr << #S": " << res << '\n'; \
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} while (false)
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int
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main (void)
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{
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RUN(x1_parse());
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RUN(x2_parse());
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RUN(x3_parse());
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RUN(x4_parse());
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x5_::parser p5;
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RUN(p5.parse());
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RUN(x6_parse());
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RUN(x7_parse());
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RUN(x8_parse());
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x9_::parser p9;
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RUN(p9.parse());
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return 0;
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}
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]])# main.cc
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AT_TEST([x1], [])
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AT_TEST([x2], [%locations %debug])
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AT_TEST([x3], [%glr-parser])
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AT_TEST([x4], [%locations %debug %glr-parser])
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AT_TEST([x5], [%locations %debug %language "c++"])
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AT_TEST([x6], [%define api.pure])
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AT_TEST([x7], [%define api.push-pull both])
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AT_TEST([x8], [%define api.pure %define api.push-pull both])
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AT_TEST([x9], [%locations %code requires {#include "location.hh"} %define api.location.type {x5_::location} %debug %language "c++"])
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#AT_TEST([x5], [%locations %language "c++" %glr-parser])
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# Check that api.prefix works properly:
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#
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# - no 'yy' left.
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# C++ output relies on namespaces and still uses yy a lot.
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#
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# - no 'YY' left.
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# Ignore comments, YYChar (template parameter), YYPUSH_MORE(_DEFINED)?
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# (constant definition), YY_\w+_INCLUDED (header guards).
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# YYDEBUG (not renamed) can be read, but not changed.
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AT_PERL_CHECK([[-n -0777 -e '
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s{/\*.*?\*/}{}gs;
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s{//.*}{}g;
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s{\b((defined|if)\ YYDEBUG
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|YYChar
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|YYNTOKENS # This is actual scoped in a C++ class.
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|YYPUSH_MORE(?:_DEFINED)?
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|S_(YY(ACCEPT|EMPTY|EOF|error|UNDEF)) # These guys are scoped.
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|YYUSE
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|YY_ATTRIBUTE(?:_PURE|_UNUSED)
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|YY(?:_REINTERPRET)?_CAST
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|YY_CONSTEXPR
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|YY_COPY
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|YY_CPLUSPLUS
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|YY_IGNORE_(?:MAYBE_UNINITIALIZED|USELESS_CAST)_(?:BEGIN|END)
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|YY_INITIAL_VALUE
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|YY_MOVE
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|YY_MOVE_OR_COPY
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|YY_MOVE_REF
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|YY_NOEXCEPT
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|YY_NOTHROW
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|YY_NULLPTR
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|YY_RVREF
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|YY_\w+_INCLUDED
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)\b}{}gx;
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while (/^(.*YY.*)$/gm)
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{
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print "$ARGV: invalid exported YY: $1\n";
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}
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if ($ARGV =~ /\.h$/)
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{
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while (/^(.*yy.*)$/gm)
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{
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print "$ARGV: invalid exported yy: $1\n";
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}
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}
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' -- *.hh *.h]])
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# Do this late, so that other checks have been performed.
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AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
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AT_COMPILE_CXX([parser], [[x[1-9].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
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AT_PARSER_CHECK([parser], [0], [[expout]])
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m4_popdef([AT_TEST])
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AT_CLEANUP
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