926 lines
31 KiB
Text
926 lines
31 KiB
Text
# Process this -*- Autotest -*- file with autom4te.
|
|
|
|
# Macros for the GNU Bison Test suite.
|
|
|
|
# Copyright (C) 2003-2012 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 <http://www.gnu.org/licenses/>.
|
|
|
|
m4_version_prereq([2.58])
|
|
|
|
|
|
# m4_null_if(VAL, IF-TRUE, IF-FALSE)
|
|
# ----------------------------------
|
|
# If VAL evaluates to empty or 0, run IF-TRUE, otherwise IF-FALSE.
|
|
m4_define([m4_null_if],
|
|
[m4_case(m4_quote($1),
|
|
[0], [$2],
|
|
[], [$2],
|
|
[$3])])
|
|
|
|
## ------------- ##
|
|
## Basic tests. ##
|
|
## ------------- ##
|
|
|
|
# AT_MATCHES_CHECK(FILE, PERL-REGEXP, COUNT)
|
|
# ------------------------------------------
|
|
# Expect COUNT matches of the PERL-REGEXP in FILE. The file is
|
|
# taken in "slurp" mode, i.e., one can match end-of-lines.
|
|
m4_define([AT_MATCHES_CHECK],
|
|
[AT_CHECK([$PERL -0777 -ne '
|
|
my $count = 0;
|
|
s{$2}{ ++$count; "" }gem;
|
|
printf "$count\n";' $1], [0], [$3
|
|
])])
|
|
|
|
|
|
# AT_SAVE_SPECIAL_FILES / AT_RESTORE_SPECIAL_FILES
|
|
# ------------------------------------------------
|
|
# Don't interfere with caller's files.
|
|
m4_divert_text([PREPARE_TESTS],
|
|
[at_save_special_files ()
|
|
{
|
|
for at_save_file in stderr experr expout
|
|
do
|
|
test ! -f at-bison-check-$at_save_file.bak ||
|
|
as_fn_error 1 "fatal error: back-up on top of a back-up"
|
|
test ! -f $at_save_file || mv $at_save_file at-bison-check-$at_save_file.bak
|
|
done
|
|
}
|
|
|
|
at_restore_special_files ()
|
|
{
|
|
for at_save_file in stderr experr expout
|
|
do
|
|
test ! -f at-bison-check-$at_save_file.bak ||
|
|
mv at-bison-check-$at_save_file.bak $at_save_file
|
|
done
|
|
}
|
|
])
|
|
|
|
m4_define([AT_SAVE_SPECIAL_FILES], [at_save_special_files])
|
|
m4_define([AT_RESTORE_SPECIAL_FILES], [at_restore_special_files])
|
|
|
|
|
|
|
|
## ------------------------------- ##
|
|
## Macros decoding Bison options. ##
|
|
## ------------------------------- ##
|
|
|
|
# AT_LOC_PUSHDEF(FIRST-LINE, FIRST-COLUMN, LAST-LINE, LAST-COLUMN)
|
|
# ----------------------------------------------------------------
|
|
# Pushdef AT_LOC_(FIRST|LAST)_(LINE|COLUMN).
|
|
m4_define([AT_LOC_PUSHDEF],
|
|
[m4_pushdef([AT_LOC_FIRST_LINE], [AT_LOC.$1])
|
|
m4_pushdef([AT_LOC_FIRST_COLUMN], [AT_LOC.$2])
|
|
m4_pushdef([AT_LOC_LAST_LINE], [AT_LOC.$3])
|
|
m4_pushdef([AT_LOC_LAST_COLUMN], [AT_LOC.$4])])
|
|
|
|
# AT_LOC_POPDEF
|
|
# -------------
|
|
# Popdef AT_LOC_(FIRST|LAST)_(LINE|COL).
|
|
m4_define([AT_LOC_POPDEF],
|
|
[m4_popdef([AT_LOC_FIRST_LINE])
|
|
m4_popdef([AT_LOC_FIRST_COLUMN])
|
|
m4_popdef([AT_LOC_LAST_LINE])
|
|
m4_popdef([AT_LOC_LAST_COLUMN])])
|
|
|
|
|
|
|
|
# AT_BISON_OPTION_PUSHDEFS([BISON-OPTIONS])
|
|
# -----------------------------------------
|
|
m4_define([AT_BISON_OPTION_PUSHDEFS],
|
|
[m4_divert_text([KILL],
|
|
[_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])])])
|
|
|
|
|
|
# _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS])
|
|
# --------------------------------------------------
|
|
# This macro works around the impossibility to define macros
|
|
# inside macros, because issuing `[$1]' is not possible in M4 :(.
|
|
# This sucks hard, GNU M4 should really provide M5 like $$1.
|
|
m4_define([_AT_BISON_OPTION_PUSHDEFS],
|
|
[m4_if([$1$2], $[1]$[2], [],
|
|
[m4_fatal([$0: Invalid arguments: $@])])dnl
|
|
m4_pushdef([AT_DEFINES_IF],
|
|
[m4_bmatch([$3], [%defines], [$1], [$2])])
|
|
m4_pushdef([AT_SKEL_CC_IF],
|
|
[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
|
|
m4_pushdef([AT_SKEL_JAVA_IF],
|
|
[m4_bmatch([$3], [%language "[Jj][Aa][Vv][Aa]"\|%skeleton "[a-z0-9]+\.java"], [$1], [$2])])
|
|
# The target language: "c", "c++", or "java".
|
|
m4_pushdef([AT_LANG],
|
|
[AT_SKEL_JAVA_IF([java],
|
|
[AT_SKEL_CC_IF([c++],
|
|
[c])])])
|
|
m4_pushdef([AT_GLR_IF],
|
|
[m4_bmatch([$3], [%glr-parser\|%skeleton "glr\..*"], [$1], [$2])])
|
|
m4_pushdef([AT_LALR1_CC_IF],
|
|
[AT_SKEL_CC_IF([AT_GLR_IF([$2], [$1])], [$2])])
|
|
m4_pushdef([AT_GLR_CC_IF],
|
|
[AT_SKEL_CC_IF([AT_GLR_IF([$1], [$2])], [$2])])
|
|
# Using yacc.c?
|
|
m4_pushdef([AT_YACC_IF],
|
|
[m4_bmatch([$3], [%language\|%glr-parser\|%skeleton], [$2], [$1])])
|
|
m4_pushdef([AT_LEXPARAM_IF],
|
|
[m4_bmatch([$3], [%lex-param], [$1], [$2])])
|
|
m4_pushdef([AT_LOCATION_IF],
|
|
[m4_bmatch([$3], [%locations], [$1], [$2])])
|
|
m4_pushdef([AT_LOCATION_TYPE_IF],
|
|
[m4_bmatch([$3], [%define \(api\.location\.type\|location_type\)], [$1], [$2])])
|
|
m4_pushdef([AT_PARAM_IF],
|
|
[m4_bmatch([$3], [%parse-param], [$1], [$2])])
|
|
# Comma-terminated list of formals parse-parameters.
|
|
# E.g., %parse-param { int x } {int y} -> "int x, int y, ".
|
|
m4_pushdef([AT_PARSE_PARAMS])
|
|
m4_bpatsubst([$3], [%parse-param { *\([^{}]*[^{} ]\) *}],
|
|
[m4_append([AT_PARSE_PARAMS], [\1, ])])
|
|
|
|
m4_pushdef([AT_PURE_IF],
|
|
[m4_bmatch([$3], [%define *api\.pure\|%pure-parser],
|
|
[m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])],
|
|
[$2])])
|
|
m4_pushdef([AT_NAME_PREFIX],
|
|
[m4_bmatch([$3], [\(%define api\.prefix\|%name-prefix\) ".*"],
|
|
[m4_bregexp([$3], [\(%define api\.prefix\|%name-prefix\) "\([^""]*\)"], [\2])],
|
|
[yy])])
|
|
m4_pushdef([AT_API_prefix],
|
|
[m4_bmatch([$3], [%define api\.prefix ".*"],
|
|
[m4_bregexp([$3], [%define api\.prefix "\([^""]*\)"], [\1])],
|
|
[yy])])
|
|
m4_pushdef([AT_API_PREFIX],
|
|
[m4_toupper(AT_API_prefix)])
|
|
# yyerror receives the location if %location, and if the parser is pure. For
|
|
# historical reasons, with the "yacc.c" skeleton, the location is not passed
|
|
# unless an additional "%parse-param" is present, or if the purity is defined
|
|
# as "full".
|
|
m4_pushdef([AT_YYERROR_ARG_LOC_IF],
|
|
[AT_LOCATION_IF([AT_PURE_IF([m4_bmatch([$3],
|
|
m4_quote(m4_join([\|],
|
|
[%define api.pure "?full"?],
|
|
[%glr-parser],
|
|
[%parse-param],
|
|
[%skeleton "?glr.c"?])),
|
|
[$1], [$2])],
|
|
[$2])],
|
|
[$2])])
|
|
|
|
# yyerror always sees the locations (when activated) if the parser is impure.
|
|
# When the parser is pure, yyerror sees the location if it is received as an
|
|
# argument.
|
|
m4_pushdef([AT_YYERROR_SEES_LOC_IF],
|
|
[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_YYERROR_ARG_LOC_IF([$1], [$2])],
|
|
[$1])],
|
|
[$1])],
|
|
[$2])])
|
|
|
|
# The interface is pure: either because %define api.pure, or because we
|
|
# are using the C++ parsers.
|
|
m4_pushdef([AT_PURE_LEX_IF],
|
|
[AT_PURE_IF([$1],
|
|
[AT_SKEL_CC_IF([$1], [$2])])])
|
|
|
|
m4_pushdef([AT_YYSTYPE],
|
|
[AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::semantic_type]],
|
|
[AT_API_PREFIX[STYPE]])])
|
|
m4_pushdef([AT_YYLTYPE],
|
|
[AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::location_type]],
|
|
[AT_API_PREFIX[LTYPE]])])
|
|
|
|
|
|
AT_PURE_LEX_IF(
|
|
[m4_pushdef([AT_LOC], [(*llocp)])
|
|
m4_pushdef([AT_VAL], [(*lvalp)])
|
|
m4_pushdef([AT_YYLEX_FORMALS],
|
|
[AT_YYSTYPE *lvalp[]AT_LOCATION_IF([, AT_YYLTYPE *llocp])])
|
|
m4_pushdef([AT_YYLEX_ARGS],
|
|
[lvalp[]AT_LOCATION_IF([, llocp])])
|
|
m4_pushdef([AT_USE_LEX_ARGS],
|
|
[(void) lvalp;AT_LOCATION_IF([(void) llocp])])
|
|
m4_pushdef([AT_YYLEX_PRE_FORMALS],
|
|
[AT_YYLEX_FORMALS, ])
|
|
m4_pushdef([AT_YYLEX_PRE_ARGS],
|
|
[AT_YYLEX_ARGS, ])
|
|
],
|
|
[m4_pushdef([AT_LOC], [[(]AT_NAME_PREFIX[lloc)]])
|
|
m4_pushdef([AT_VAL], [[(]AT_NAME_PREFIX[lval)]])
|
|
m4_pushdef([AT_YYLEX_FORMALS], [void])
|
|
m4_pushdef([AT_YYLEX_ARGS], [])
|
|
m4_pushdef([AT_USE_LEX_ARGS], [])
|
|
m4_pushdef([AT_YYLEX_PRE_FORMALS], [])
|
|
m4_pushdef([AT_YYLEX_PRE_ARGS], [])
|
|
])
|
|
|
|
# Handle the different types of location components.
|
|
|
|
AT_SKEL_CC_IF(
|
|
[AT_LOCATION_TYPE_IF(
|
|
[AT_LOC_PUSHDEF([first.l], [first.c], [last.l], [last.c])],
|
|
[AT_LOC_PUSHDEF([begin.line], [begin.column], [end.line], [end.column])])],
|
|
[AT_LOC_PUSHDEF([first_line], [first_column], [last_line], [last_column])])
|
|
|
|
])# _AT_BISON_OPTION_PUSHDEFS
|
|
|
|
|
|
# AT_BISON_OPTION_POPDEFS
|
|
# -----------------------
|
|
m4_define([AT_BISON_OPTION_POPDEFS],
|
|
[m4_divert_text([KILL],
|
|
[m4_popdef([AT_YYLEX_PRE_ARGS])
|
|
m4_popdef([AT_YYLEX_PRE_FORMALS])
|
|
m4_popdef([AT_USE_LEX_ARGS])
|
|
m4_popdef([AT_YYLEX_ARGS])
|
|
m4_popdef([AT_YYLEX_FORMALS])
|
|
m4_popdef([AT_YYLTYPE])
|
|
m4_popdef([AT_YYSTYPE])
|
|
m4_popdef([AT_VAL])
|
|
m4_popdef([AT_LOC])
|
|
m4_popdef([AT_PURE_LEX_IF])
|
|
m4_popdef([AT_YYERROR_SEES_LOC_IF])
|
|
m4_popdef([AT_YYERROR_ARG_LOC_IF])
|
|
m4_popdef([AT_API_PREFIX])
|
|
m4_popdef([AT_API_prefix])
|
|
m4_popdef([AT_NAME_PREFIX])
|
|
m4_popdef([AT_LOCATION_TYPE_IF])
|
|
m4_popdef([AT_LOCATION_IF])
|
|
m4_popdef([AT_PARSE_PARAMS])
|
|
m4_popdef([AT_PARAM_IF])
|
|
m4_popdef([AT_LEXPARAM_IF])
|
|
m4_popdef([AT_YACC_IF])
|
|
m4_popdef([AT_GLR_IF])
|
|
m4_popdef([AT_SKEL_CC_IF])
|
|
m4_popdef([AT_LANG])
|
|
m4_popdef([AT_SKEL_JAVA_IF])
|
|
m4_popdef([AT_GLR_CC_IF])
|
|
m4_popdef([AT_LALR1_CC_IF])
|
|
m4_popdef([AT_DEFINES_IF])
|
|
AT_LOC_POPDEF])dnl
|
|
])# AT_BISON_OPTION_POPDEFS
|
|
|
|
|
|
|
|
## -------------------------- ##
|
|
## Generating Grammar Files. ##
|
|
## -------------------------- ##
|
|
|
|
# AT_DATA_SOURCE_PROLOGUE
|
|
# ------------------------
|
|
# The prologue that should be included in any source code that is
|
|
# meant to be compiled.
|
|
m4_define([AT_DATA_SOURCE_PROLOGUE],
|
|
[[#include <config.h>
|
|
/* We don't need perfect functions for these tests. */
|
|
#undef malloc
|
|
#undef memcmp
|
|
#undef realloc
|
|
]])
|
|
|
|
# AT_DATA_GRAMMAR_PROLOGUE
|
|
# ------------------------
|
|
# The prologue that should be included in any grammar which parser is
|
|
# meant to be compiled.
|
|
m4_define([AT_DATA_GRAMMAR_PROLOGUE],
|
|
[[%code top {
|
|
]AT_DATA_SOURCE_PROLOGUE[]dnl
|
|
[}
|
|
]])
|
|
|
|
# AT_DATA_SOURCE(NAME, CONTENT)
|
|
# -----------------------------
|
|
# Generate the file NAME, which CONTENT is preceded by
|
|
# AT_DATA_SOURCE_PROLOGUE.
|
|
m4_define([AT_DATA_SOURCE],
|
|
[AT_DATA([$1],
|
|
[AT_DATA_SOURCE_PROLOGUE
|
|
$2])
|
|
])
|
|
|
|
# AT_DATA_GRAMMAR(NAME, CONTENT)
|
|
# ------------------------------
|
|
# Generate the file NAME, which CONTENT is preceded by
|
|
# AT_DATA_GRAMMAR_PROLOGUE.
|
|
m4_define([AT_DATA_GRAMMAR],
|
|
[AT_DATA([$1],
|
|
[AT_DATA_GRAMMAR_PROLOGUE
|
|
$2])
|
|
])
|
|
|
|
# AT_YYLEX_PROTOTYPE
|
|
# AT_YYLEX_DECLARE_EXTERN
|
|
# AT_YYLEX_DECLARE
|
|
# AT_YYLEX_DEFINE([INPUT], [ACTION])
|
|
# ----------------------------------
|
|
# INPUT can be empty, or in double quotes, or a list (in braces).
|
|
# ACTION may compute yylval for instance, using "res" as token type,
|
|
# and "toknum" as the number of calls to yylex (starting at 0).
|
|
m4_define([AT_YYLEX_PROTOTYPE],
|
|
[int AT_NAME_PREFIX[]lex (]AT_YYLEX_FORMALS[)[]dnl
|
|
])
|
|
|
|
m4_define([AT_YYLEX_DECLARE_EXTERN],
|
|
[AT_YYLEX_PROTOTYPE;dnl
|
|
])
|
|
|
|
m4_define([AT_YYLEX_DECLARE],
|
|
[static AT_YYLEX_DECLARE_EXTERN[]dnl
|
|
])
|
|
|
|
m4_define([AT_YYLEX_DEFINE],
|
|
[[#include <assert.h>
|
|
static
|
|
]AT_YYLEX_PROTOTYPE[
|
|
{
|
|
]m4_bmatch([$1], [^\(".*"\)?$],
|
|
[[static char const input[] = ]m4_default([$1], [""])],
|
|
[[static int const input[] = ]$1])[;
|
|
static size_t toknum = 0;
|
|
int res;
|
|
]AT_USE_LEX_ARGS[;
|
|
assert (toknum < sizeof input / sizeof input[0]);
|
|
res = input[toknum++];
|
|
]$2[;]AT_LOCATION_IF([[
|
|
]AT_LOC_FIRST_LINE[ = ]AT_LOC_LAST_LINE[ = 1;
|
|
]AT_LOC_FIRST_COLUMN[ = ]AT_LOC_LAST_COLUMN[ = toknum;]])[
|
|
return res;
|
|
}]dnl
|
|
])
|
|
|
|
# AT_YYERROR_FORMALS
|
|
# AT_YYERROR_PROTOTYPE
|
|
# AT_YYERROR_DECLARE_EXTERN
|
|
# AT_YYERROR_DECLARE
|
|
# AT_YYERROR_DEFINE
|
|
# -------------------------
|
|
# Must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS pair.
|
|
m4_define([AT_YYERROR_FORMALS],
|
|
[m4_case(AT_LANG,
|
|
[c], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE const * const llocp, ])AT_PARSE_PARAMS [const char *msg]])[]dnl
|
|
])
|
|
|
|
m4_define([AT_YYERROR_PROTOTYPE],
|
|
[m4_case(AT_LANG,
|
|
[c], [[void ]AT_NAME_PREFIX[error (]AT_YYERROR_FORMALS[)]])[]dnl
|
|
])
|
|
|
|
m4_define([AT_YYERROR_DECLARE_EXTERN],
|
|
[m4_case(AT_LANG,
|
|
[c], [AT_YYERROR_PROTOTYPE;])[]dnl
|
|
])
|
|
|
|
m4_define([AT_YYERROR_DECLARE],
|
|
[m4_case(AT_LANG,
|
|
[c], [static AT_YYERROR_DECLARE_EXTERN])[]dnl
|
|
])
|
|
|
|
m4_define([AT_YYERROR_DEFINE],
|
|
[m4_case(AT_LANG,
|
|
[c], [[#include <stdio.h>
|
|
/* A C error reporting function. */
|
|
static
|
|
]AT_YYERROR_PROTOTYPE[
|
|
{]m4_bpatsubst(m4_defn([AT_PARSE_PARAMS]),
|
|
[[^,]+[^A-Za-z_0-9]\([A-Za-z_][A-Za-z_0-9]*\), *], [
|
|
YYUSE(\1);])dnl
|
|
AT_YYERROR_SEES_LOC_IF([[
|
|
YY_LOCATION_PRINT (stderr, ]AT_LOC[);
|
|
fprintf (stderr, ": ");]])[
|
|
fprintf (stderr, "%s\n", msg);
|
|
}]],
|
|
[c++], [[/* A C++ error reporting function. */
|
|
void
|
|
]AT_NAME_PREFIX[::parser::error (const location_type& l, const std::string& m)
|
|
{
|
|
(void) l;
|
|
std::cerr << ]AT_LOCATION_IF([l << ": " << ])[m << std::endl;
|
|
}]],
|
|
[java], [AT_LOCATION_IF([[public void yyerror (Calc.Location l, String s)
|
|
{
|
|
if (l == null)
|
|
System.err.println (s);
|
|
else
|
|
System.err.println (l + ": " + s);
|
|
}
|
|
]], [[
|
|
public void yyerror (String s)
|
|
{
|
|
System.err.println (s);
|
|
}]])],
|
|
[m4_fatal([$0: invalid language: ]AT_LANG)])dnl
|
|
])
|
|
|
|
|
|
## --------------- ##
|
|
## Running Bison. ##
|
|
## --------------- ##
|
|
|
|
# AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
|
|
# -------------------------------------------------
|
|
# High-level routine that may call bison several times, under different
|
|
# conditions.
|
|
#
|
|
# Check Bison by invoking `bison BISON_ARGS'. BISON_ARGS should not contain
|
|
# shell constructs (such as redirection or pipes) that would prevent
|
|
# appending additional command-line arguments for bison. OTHER_AT_CHECK_ARGS
|
|
# are the usual remaining arguments to AT_CHECK: STATUS, STDOUT, etc.
|
|
#
|
|
# This macro or AT_BISON_CHECK_NO_XML should always be used whenever invoking
|
|
# Bison in the test suite. For now it ensures that:
|
|
#
|
|
# 1. Valgrind doesn't report reachable memory when Bison is expected to have
|
|
# a non-zero exit status since Bison doesn't always try to free all memory
|
|
# in that case.
|
|
#
|
|
# 2. In the case of maintainer-xml-check, XML/XSLT output is compared with
|
|
# --graph and --report=all output for every working grammar.
|
|
#
|
|
# 3. If stderr contains a warning, -Werror and --warnings=error
|
|
# convert the warning to an error.
|
|
#
|
|
# 4. If stderr contains a warning, -Wnone and --warnings=none suppress it.
|
|
m4_define([AT_BISON_CHECK],
|
|
[m4_null_if([$2], [AT_BISON_CHECK_XML($@)])
|
|
AT_BISON_CHECK_NO_XML($@)])
|
|
|
|
m4_define([AT_BISON_WERROR_MSG],
|
|
[[bison: warnings being treated as errors]])
|
|
|
|
|
|
# AT_BISON_CHECK_(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
|
|
# --------------------------------------------------
|
|
# Low-level macro to run bison once.
|
|
m4_define([AT_BISON_CHECK_],
|
|
[AT_CHECK(AT_QUELL_VALGRIND[[ bison ]]$@)])
|
|
|
|
|
|
# AT_BISON_CHECK_WARNINGS(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
|
|
# ----------------------------------------------------------
|
|
# Check that warnings (if some are expected) are correctly
|
|
# turned into errors with -Werror, etc.
|
|
m4_define([AT_BISON_CHECK_WARNINGS],
|
|
[m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
|
|
[m4_null_if([$2], [AT_BISON_CHECK_WARNINGS_($@)])])])
|
|
|
|
m4_define([AT_BISON_CHECK_WARNINGS_],
|
|
[[# Defining POSIXLY_CORRECT causes bison to complain if options are
|
|
# added after the grammar file name, so skip these checks in that
|
|
# case.
|
|
if test "$POSIXLY_CORRECT_IS_EXPORTED" = false; then
|
|
]AT_SAVE_SPECIAL_FILES[
|
|
|
|
# To avoid expanding it repeatedly, store specified stdout.
|
|
]AT_DATA([expout], [$3])[
|
|
|
|
# Run with -Werror.
|
|
]AT_BISON_CHECK_([$1[ -Werror]], [[1]], [expout], [stderr])[
|
|
|
|
# Build expected stderr up to and including the "warnings being
|
|
# treated as errors" message.
|
|
]AT_DATA([[at-bison-check-warnings]], [$4])[
|
|
at_bison_check_first=`sed -n \
|
|
'/: warning: /{=;q;}' at-bison-check-warnings`
|
|
: ${at_bison_check_first:=1}
|
|
at_bison_check_first_tmp=`sed -n \
|
|
'/conflicts: [0-9].*reduce$/{=;q;}' at-bison-check-warnings`
|
|
: ${at_bison_check_first_tmp:=1}
|
|
if test $at_bison_check_first_tmp -lt $at_bison_check_first; then
|
|
at_bison_check_first=$at_bison_check_first_tmp
|
|
fi
|
|
if test $at_bison_check_first -gt 1; then
|
|
sed -n "1,`expr $at_bison_check_first - 1`"p \
|
|
at-bison-check-warnings > experr
|
|
fi
|
|
echo ']AT_BISON_WERROR_MSG[' >> experr
|
|
|
|
# Finish building expected stderr and check. Unlike warnings,
|
|
# complaints cause bison to exit early. Thus, with -Werror, bison
|
|
# does not necessarily report all warnings that it does without
|
|
# -Werror, but it at least reports one.
|
|
at_bison_check_last=`sed -n '$=' stderr`
|
|
: ${at_bison_check_last:=1}
|
|
at_bison_check_last=`expr $at_bison_check_last - 1`
|
|
sed -n "$at_bison_check_first,$at_bison_check_last"p \
|
|
at-bison-check-warnings >> experr
|
|
]AT_CHECK([[sed 's,.*/\(]AT_BISON_WERROR_MSG[\)$,\1,' \
|
|
stderr 1>&2]], [[0]], [[]], [experr])[
|
|
|
|
# Now check --warnings=error.
|
|
cp stderr experr
|
|
]AT_BISON_CHECK_([$1[ --warnings=error]], [[1]], [expout], [experr])[
|
|
|
|
# Now check -Wnone and --warnings=none by making sure that
|
|
# -Werror doesn't change the exit status when -Wnone or
|
|
# --warnings=none is specified.
|
|
]AT_BISON_CHECK_([$1[ -Wnone -Werror]], [[0]], [expout])[
|
|
]AT_BISON_CHECK_([$1[ --warnings=none -Werror]], [[0]], [expout])[
|
|
|
|
]AT_RESTORE_SPECIAL_FILES[
|
|
fi]dnl
|
|
])
|
|
|
|
# AT_BISON_CHECK_NO_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
|
|
# --------------------------------------------------------
|
|
# Same as AT_BISON_CHECK except don't perform XML/XSLT checks. This is useful
|
|
# when a tortured grammar's XML is known to be too large for xsltproc to
|
|
# handle.
|
|
m4_define([AT_BISON_CHECK_NO_XML],
|
|
[AT_CHECK(m4_null_if([$2], [], [AT_QUELL_VALGRIND ])[[bison ]]$@)
|
|
AT_BISON_CHECK_WARNINGS($@)])
|
|
|
|
# AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
|
|
# -----------------------------------------------------
|
|
# Run AT_BISON_CHECK's XML/XSLT checks if $BISON_TEST_XML=1 and $XSLTPROC is
|
|
# defined. It doesn't make sense to invoke this macro if Bison is expected to
|
|
# have a non-zero exit status.
|
|
m4_define([AT_BISON_CHECK_XML],
|
|
[[if test x"$BISON_TEST_XML" = x1 && test x"$XSLTPROC" != x""; then]
|
|
AT_SAVE_SPECIAL_FILES
|
|
[mkdir xml-tests]
|
|
m4_pushdef([AT_BISON_ARGS],
|
|
[m4_bpatsubsts([[$1]],
|
|
[--report(-file)?=[^][ ]*], [],
|
|
[--graph=[^][ ]*], [],
|
|
[--xml=[^][ ]*], [])])dnl
|
|
# Don't combine these Bison invocations since we want to be sure that
|
|
# --report=all isn't required to get the full XML file.
|
|
AT_BISON_CHECK_([[--report=all --report-file=xml-tests/test.output \
|
|
--graph=xml-tests/test.dot ]]AT_BISON_ARGS,
|
|
[[0]], [ignore], [ignore])
|
|
AT_BISON_CHECK_([[--xml=xml-tests/test.xml ]]AT_BISON_ARGS,
|
|
[[0]], [ignore], [ignore])
|
|
m4_popdef([AT_BISON_ARGS])dnl
|
|
[cp xml-tests/test.output expout]
|
|
AT_CHECK([[$XSLTPROC \
|
|
`]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2text.xsl \
|
|
xml-tests/test.xml]], [[0]], [expout])
|
|
[sort xml-tests/test.dot > expout]
|
|
AT_CHECK([[$XSLTPROC \
|
|
`]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \
|
|
xml-tests/test.xml | sort]], [[0]], [expout])
|
|
[rm -rf xml-tests expout]
|
|
AT_RESTORE_SPECIAL_FILES
|
|
[fi]])
|
|
|
|
# AT_QUELL_VALGRIND
|
|
# -----------------
|
|
# Put this before a Bison invocation to keep Valgrind from complaining about
|
|
# reachable memory.
|
|
#
|
|
# Do not quote invocations of this macro within the first argument of AT_CHECK.
|
|
# The triple quoting below will cause test cases to fail if you do. If you do
|
|
# so anyway but also decrease the quoting below to avoid that problem, AT_CHECK
|
|
# will then fail to shell-escape its contents when attempting to print them.
|
|
# The testsuite verbose output, at least, will be incorrect, but nothing may
|
|
# fail to make sure you notice.
|
|
m4_define([AT_QUELL_VALGRIND],
|
|
[[[VALGRIND_OPTS="$VALGRIND_OPTS --leak-check=summary --show-reachable=no"; export VALGRIND_OPTS;]]])
|
|
|
|
|
|
|
|
## ------------------------ ##
|
|
## Compiling C, C++ Files. ##
|
|
## ------------------------ ##
|
|
|
|
|
|
# AT_COMPILE(OUTPUT, [SOURCES = OUTPUT.c])
|
|
# ----------------------------------------
|
|
# Compile SOURCES into OUTPUT.
|
|
#
|
|
# If OUTPUT does not contain '.', assume that we are linking too,
|
|
# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
|
|
# with trailing .o removed, and ".c" appended.
|
|
m4_define([AT_COMPILE],
|
|
[AT_CHECK([$BISON_C_WORKS], 0, ignore, ignore)
|
|
AT_CHECK(m4_join([ ],
|
|
[$CC $CFLAGS $CPPFLAGS],
|
|
[m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
|
|
[-o $1],
|
|
[m4_default([$2], [m4_bpatsubst([$1], [\.o$]).c])],
|
|
[m4_bmatch([$1], [[.]], [], [$LIBS])]),
|
|
0, [ignore], [ignore])])
|
|
|
|
# AT_COMPILE_CXX(OUTPUT, [SOURCES = OUTPUT.cc])
|
|
# ---------------------------------------------
|
|
# Compile SOURCES into OUTPUT. If the C++ compiler does not work,
|
|
# ignore the test.
|
|
#
|
|
# If OUTPUT does not contain '.', assume that we are linking too,
|
|
# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
|
|
# with trailing .o removed, and ".cc" appended.
|
|
m4_define([AT_COMPILE_CXX],
|
|
[AT_KEYWORDS(c++)
|
|
AT_CHECK([$BISON_CXX_WORKS], 0, ignore, ignore)
|
|
AT_CHECK(m4_join([ ],
|
|
[$CXX $CXXFLAGS $CPPFLAGS],
|
|
[m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
|
|
[-o $1],
|
|
[m4_default([$2], [m4_bpatsubst([$1], [\.o$]).cc])],
|
|
[m4_bmatch([$1], [[.]], [], [$LIBS])]),
|
|
0, [ignore], [ignore])])
|
|
|
|
# AT_JAVA_COMPILE(SOURCES)
|
|
# ------------------------
|
|
# Compile SOURCES into Java class files. Skip the test if java or javac
|
|
# is not installed.
|
|
m4_define([AT_JAVA_COMPILE],
|
|
[AT_KEYWORDS(java)
|
|
AT_SKIP_IF([[test -z "$CONF_JAVAC"]])
|
|
AT_SKIP_IF([[test -z "$CONF_JAVA"]])
|
|
AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
|
|
[[0]], [ignore], [ignore])])
|
|
|
|
# AT_LANG_COMPILE(OUTPUT, [SOURCES = OUTPUT.c]
|
|
# --------------------------------------------
|
|
# Compile SOURCES into OUTPUT. Skip if compiler does not work.
|
|
#
|
|
# If OUTPUT does not contain '.', assume that we are linking too,
|
|
# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
|
|
# with trailing .o removed, and ".c"/".cc" appended.
|
|
m4_define([AT_LANG_COMPILE],
|
|
[m4_case(AT_LANG,
|
|
[c], [AT_COMPILE([$1], [$2])],
|
|
[c++], [AT_COMPILE_CXX([$1], [$2])],
|
|
[java], [AT_JAVA_COMPILE([$1.java], [$2])],
|
|
[m4_fatal([unknown language: ]m4_defn([AT_LANG]))])[]dnl
|
|
])
|
|
|
|
# AT_FULL_COMPILE(OUTPUT, [OTHER1], [OTHER2])
|
|
# -------------------------------------------
|
|
# Compile OUTPUT.y to OUTPUT.c, OUTPUT.cc, or OUTPUT.java, and then
|
|
# compile it to OUTPUT or OUTPUT.class. If OTHER is specified, compile
|
|
# OUTPUT-OTHER.c, OUTPUT-OTHER.cc, or OUTPUT-OTHER.java to OUTPUT or
|
|
# OUTPUT.java along with it. Relies on AT_SKEL_CC_IF and
|
|
# AT_SKEL_JAVA_IF.
|
|
m4_define([AT_FULL_COMPILE],
|
|
[m4_case(AT_LANG,
|
|
[java],
|
|
[AT_BISON_CHECK([-o $1.java $1.y])
|
|
AT_LANG_COMPILE([$1],
|
|
m4_join([ ],
|
|
[$1.java],
|
|
m4_ifval($2, [[$1-$2.java]]),
|
|
m4_ifval($3, [[$1-$3.java]])))],
|
|
[c++],
|
|
[AT_BISON_CHECK([-o $1.cc $1.y])
|
|
AT_LANG_COMPILE([$1],
|
|
m4_join([ ],
|
|
[$1.cc],
|
|
m4_ifval($2, [[$1-$2.cc]]),
|
|
m4_ifval($3, [[$1-$3.cc]])))],
|
|
[c],
|
|
[AT_BISON_CHECK([-o $1.c $1.y])
|
|
AT_LANG_COMPILE([$1],
|
|
m4_join([ ],
|
|
[$1.c],
|
|
m4_ifval($2, [[$1-$2.c]]),
|
|
m4_ifval($3, [[$1-$3.c]])))])
|
|
])
|
|
|
|
|
|
|
|
# AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
|
|
# --------------------------------
|
|
# Check that we can link together C and C++ objects.
|
|
m4_define([AT_SKIP_IF_CANNOT_LINK_C_AND_CXX],
|
|
[AT_DATA([c-and-cxx.h],
|
|
[[#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
int fortytwo (void);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
]])
|
|
AT_DATA([c-only.c],
|
|
[[#include "c-and-cxx.h"
|
|
int
|
|
main (void)
|
|
{
|
|
return fortytwo () == 42 ? 0 : 1;
|
|
}
|
|
]])
|
|
AT_DATA([cxx-only.cc],
|
|
[[#include "c-and-cxx.h"
|
|
int fortytwo ()
|
|
{
|
|
return 42;
|
|
}
|
|
]])
|
|
AT_COMPILE([c-only.o], [c-only.c])
|
|
AT_COMPILE_CXX([cxx-only.o], [cxx-only.cc])
|
|
AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx ||
|
|
exit 77], [ignore], [ignore])
|
|
AT_PARSER_CHECK([./c-and-cxx])
|
|
])
|
|
|
|
|
|
## ---------------------------- ##
|
|
## Running a generated parser. ##
|
|
## ---------------------------- ##
|
|
|
|
|
|
# AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE])
|
|
# ------------------------------------------------------------
|
|
# So that we can run `./testsuite PREPARSER='valgrind -q' for instance.
|
|
#
|
|
# Get rid of spurious messages when compiled with --coverage:
|
|
# +profiling:/[...]/lib/fprintf.gcda:Merge mismatch for summaries
|
|
m4_define([AT_PARSER_CHECK],
|
|
[AT_CHECK([$5 $PREPARSER $1], [$2], [$3], [stderr])
|
|
AT_CHECK([sed >&2 -e '/^profiling:.*:Merge mismatch for summaries/d' stderr],
|
|
[0], [], [$4])
|
|
])
|
|
|
|
|
|
# AT_JAVA_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE])
|
|
# -----------------------------------------------------------------
|
|
m4_define([AT_JAVA_PARSER_CHECK],
|
|
[AT_CHECK([$5[ $SHELL ../../../javaexec.sh ]$1], [$2], [$3], [$4])])
|
|
|
|
|
|
# AT_TEST_TABLES_AND_PARSE(TITLE, COND-VALUE, TEST-SPEC,
|
|
# DECLS, GRAMMAR, INPUT,
|
|
# BISON-STDERR, TABLES-OR-LAST-STATE,
|
|
# [OTHER-CHECKS],
|
|
# [PARSER-EXIT-VALUE],
|
|
# [PARSER-STDOUT], [PARSER-STDERR])
|
|
# -------------------------------------------------------------
|
|
# Using TITLE as the test group title, check the generated parser tables
|
|
# and parser for a specified grammar file under a condition labeled by
|
|
# COND-VALUE.
|
|
#
|
|
# TEST-SPEC is a comma-delimited list of attributes of this test. Each
|
|
# recognized attribute is described below where it is relevant.
|
|
#
|
|
# Insert DECLS and GRAMMAR into the declarations and grammar section of
|
|
# the grammar file. Insert basic yyerror, yylex, and main function
|
|
# definitions as well. Hardcode yylex to return the (possibly empty)
|
|
# comma-delimited series of tokens in INPUT followed by token 0.
|
|
#
|
|
# If TEST-SPEC contains the attribute no-xml, then invoke bison using
|
|
# AT_BISON_CHECK_NO_XML. Otherwise, invoke bison using AT_BISON_CHECK.
|
|
# On the bison command-line, specify `--report=all --defines'. Check
|
|
# that Bison exits with value 0, has no stdout, and has stderr
|
|
# BISON-STDERR.
|
|
#
|
|
# If TEST-SPEC contains the attribute `last-state', check that the value
|
|
# of TABLES-OR-LAST-STATE is the index of the last state generated for
|
|
# the grammar; in other words, check the number of states (minus one).
|
|
# Otherwise, check that everything in the `.output' file starting with
|
|
# the definition of state 0 is the same as the entire value of
|
|
# TABLES-OR-LAST-STATE.
|
|
#
|
|
# Expand the M4 in OTHER-CHECKS to perform additional checks of the
|
|
# `.output' file, which is named `input.output', and/or grammar file,
|
|
# which is named `input.y'.
|
|
#
|
|
# Finally, compile the generated parser and then run it using
|
|
# AT_PARSER_CHECK with PARSER-EXIT-VALUE, PARSER-STDOUT, and
|
|
# PARSER-STDERR as the 2nd-4th arguments.
|
|
#
|
|
# As a precondition, you must properly double-quote all arguments that
|
|
# are to be interpreted as strings.
|
|
#
|
|
# AT_COND_CASE (when appearing in single-quoted segments of arguments)
|
|
# invokes m4_case with its own arguments but COND-VALUE inserted as the
|
|
# first argument. This is useful, for example, when wrapping multiple
|
|
# AT_TEST_TABLES_AND_PARSE invocations, each representing a different
|
|
# condition, in another macro.
|
|
#
|
|
# For example:
|
|
#
|
|
# # AT_TEST_SYNTAX_ERROR(DESCRIPTION, DECLS, GRAMMAR, INPUT, LAST-STATE,
|
|
# # PARSER-EXIT-VALUE, PARSER-STDOUT, PARSER-STDERR)
|
|
# # ---------------------------------------------------------------------
|
|
# m4_define([AT_TEST_SYNTAX_ERROR],
|
|
# [
|
|
# AT_TEST_TABLES_AND_PARSE([$1[ with %error-verbose]], [[verbose]],
|
|
# [[last-state]],
|
|
# [[%error-verbose ]$2], [$3], [$4],
|
|
# [[]], [$5], [], [$6], [$7], [$8])
|
|
# AT_TEST_TABLES_AND_PARSE([$1[ with no %error-verbose]], [[no verbose]],
|
|
# [[last-state]],
|
|
# [$2], [$3], [$4],
|
|
# [[]], [$5], [], [$6], [$7], [$8])
|
|
# ])
|
|
#
|
|
# AT_TEST_SYNTAX_ERROR([[Single Char Grammar]],
|
|
# [[%token 'b']], [[start: 'a' ;]], [['a', 'b']],
|
|
# [[3]],
|
|
# [[1]], [[]],
|
|
# [AT_COND_CASE([[no verbose]],
|
|
# [[syntax error
|
|
# ]],
|
|
# [[syntax error, unexpected 'b', expecting $end
|
|
# ]])])
|
|
m4_define([AT_TEST_TABLES_AND_PARSE],
|
|
[m4_pushdef([AT_COND_CASE], [m4_case([$2], $][@)])
|
|
|
|
AT_SETUP([$1])
|
|
AT_BISON_OPTION_PUSHDEFS([$4])
|
|
AT_DATA_GRAMMAR([[input.y]],
|
|
[[%code {
|
|
#include <stdio.h>
|
|
]AT_YYERROR_DECLARE[
|
|
]AT_YYLEX_DECLARE[
|
|
}
|
|
|
|
]$4[
|
|
|
|
%%
|
|
|
|
]$5[
|
|
|
|
%%
|
|
]AT_YYERROR_DEFINE[
|
|
static int
|
|
yylex (void)
|
|
{
|
|
static int const input[] = {
|
|
]m4_if([$6], [], [], [$6], [[]], [], [$6[, ]])[0
|
|
};
|
|
static int const *inputp = input;
|
|
return *inputp++;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
return yyparse ();
|
|
}
|
|
]])
|
|
|
|
# In some versions of Autoconf, AT_CHECK invokes AS_ESCAPE before
|
|
# expanding macros, so it corrupts some special characters in the
|
|
# macros. To avoid this, expand now and pass it the result with proper
|
|
# string quotation. Assume args 7 through 12 expand to properly quoted
|
|
# strings.
|
|
|
|
m4_if(m4_index(m4_quote($3), [no-xml]), -1,
|
|
[AT_BISON_CHECK],
|
|
[AT_BISON_CHECK_NO_XML])([[--report=all --defines -o input.c input.y]],
|
|
[0], [], m4_dquote($7))
|
|
|
|
m4_if(m4_index(m4_quote($3), [last-state]), -1,
|
|
[AT_CHECK([[sed -n '/^State 0$/,$p' input.output]], [[0]],
|
|
m4_dquote($8))],
|
|
[AT_CHECK([[sed -n 's/^State //p' input.output | tail -1]], [[0]],
|
|
m4_dquote($8)[[
|
|
]])])
|
|
|
|
$9
|
|
|
|
# Canonical LR generates very large tables, resulting in very long
|
|
# files with #line directives that may overflow what the standards
|
|
# (C90 and C++98) guarantee: 32767. In that case, GCC's -pedantic
|
|
# will issue an error.
|
|
#
|
|
# There is no "" around `wc` since some indent the result.
|
|
m4_bmatch([$4], [%define lr.type canonical-lr],
|
|
[if test 32767 -lt `wc -l < input.c`; then
|
|
CFLAGS=`echo " $CFLAGS " | sed -e 's/ -pedantic //'`
|
|
CXXFLAGS=`echo " $CXXFLAGS " | sed -e 's/ -pedantic //'`
|
|
fi])
|
|
AT_COMPILE([[input]])
|
|
|
|
AT_PARSER_CHECK([[./input]],
|
|
m4_ifval([$10], [m4_dquote($10)]),
|
|
m4_ifval([$11], [m4_dquote($11)]),
|
|
m4_ifval([$12], [m4_dquote($12)]))
|
|
|
|
AT_BISON_OPTION_POPDEFS
|
|
AT_CLEANUP
|
|
|
|
m4_popdef([AT_COND_CASE])])
|
|
|
|
|
|
|
|
## ----------------------- ##
|
|
## Launch the test suite. ##
|
|
## ----------------------- ##
|
|
|
|
AT_INIT
|
|
|
|
# Cannot assign CC and CFLAGS here, since atlocal is loaded after
|
|
# options are processed, so we don't know the value of CXX and
|
|
# CXXFLAGS yet.
|
|
#
|
|
# Note that it also means that command line values for CXX and
|
|
# CXXFLAGS will not be propagated to CC and CFLAGS.
|
|
AT_ARG_OPTION([compile-c-with-cxx],
|
|
[compile C parsers with the C++ compiler])
|
|
|
|
AT_COLOR_TESTS
|
|
|
|
AT_TESTED([bison])
|