# Macros for the GNU Bison Test suite.
-# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free
-# Software Foundation, Inc.
+# 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
])])
+# 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_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. ##
## ------------------------------- ##
[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])])
m4_pushdef([AT_GLR_IF],
-[m4_bmatch([$3], [%glr-parser\|%skeleton "glr\.], [$1], [$2])])
+[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],
[m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
m4_pushdef([AT_NAME_PREFIX],
[m4_bmatch([$3], [%name-prefix ".*"],
- [m4_bregexp([$3], [name-prefix "\([^"]*\)"], [\1])],
+ [m4_bregexp([$3], [name-prefix "\([^""]*\)"], [\1])],
+ [yy])])
+m4_pushdef([AT_API_PREFIX],
+[m4_bmatch([$3], [%define api\.prefix ".*"],
+ [m4_bregexp([$3], [%define api\.prefix "\([^""]*\)"], [\1])],
[yy])])
# yyerror receives the location if %location & %pure & (%glr or %parse-param).
m4_pushdef([AT_YYERROR_ARG_LOC_IF],
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_NAME_PREFIX])
m4_popdef([AT_GLR_OR_PARAM_IF])
m4_popdef([AT_PURE_AND_LOC_IF])
m4_popdef([AT_YACC_IF])
m4_popdef([AT_GLR_IF])
m4_popdef([AT_SKEL_CC_IF])
+m4_popdef([AT_SKEL_JAVA_IF])
m4_popdef([AT_GLR_CC_IF])
m4_popdef([AT_LALR1_CC_IF])
m4_popdef([AT_DEFINES_IF])
$2])
])
+# AT_YYLEX_DECLARE_EXTERN
+# AT_YYLEX_DECLARE
+# AT_YYLEX_DEFINE(INPUT-STRING, [ACTION])
+# ---------------------------------------
+m4_define([AT_YYLEX_DECLARE_EXTERN],
+[int AT_API_PREFIX[]lex (void);dnl
+])
+
+m4_define([AT_YYLEX_DECLARE],
+[static AT_YYLEX_DECLARE_EXTERN[]dnl
+])
+
+m4_define([AT_YYLEX_DEFINE],
+[[#include <stdlib.h> /* abort */
+static int
+]AT_API_PREFIX[lex (void)
+{
+ static char const input[] = "$1";
+ static size_t toknum = 0;
+ int res;
+ if (! (toknum < sizeof input))
+ abort ();
+ res = input[toknum++];
+ ]$2;[]AT_LOCATION_IF([[
+ ]AT_API_PREFIX[lloc.first_line = ]AT_API_PREFIX[lloc.last_line = 1;
+ ]AT_API_PREFIX[lloc.first_column = ]AT_API_PREFIX[lloc.last_column = toknum;]])[
+ return res;
+}]dnl
+])
+
+# AT_YYERROR_DECLARE_EXTERN
+# AT_YYERROR_DECLARE
+# AT_YYERROR_DEFINE
+# -------------------------
+# Beware that must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS
+# pair.
+m4_define([AT_YYERROR_DECLARE_EXTERN],
+[void AT_API_PREFIX[]error (const char *msg);dnl
+])
+
+m4_define([AT_YYERROR_DECLARE],
+[static AT_YYERROR_DECLARE_EXTERN[]dnl
+])
+
+m4_define([AT_YYERROR_DEFINE],
+[AT_SKEL_JAVA_IF([[public void yyerror (String msg)
+{
+ System.err.println (msg);
+}]], [AT_SKEL_CC_IF([[void
+yy::parser::error (const yy::location &, std::string const &msg)
+{
+ std::cerr << msg << std::endl;
+}]], [[#include <stdio.h>
+static void
+]AT_API_PREFIX[error (char const *msg)
+{
+ fprintf (stderr, "%s\n", msg);
+}]])])dnl
+])
+
+## --------------- ##
+## Running Bison. ##
+## --------------- ##
+
# AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
# -------------------------------------------------
-# Check Bison by invoking `bison BISON_ARGS'. OTHER_AT_CHECK_ARGS are the
-# usual remaining arguments to AT_CHECK: STATUS, STDOUT, etc.
+# 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:
#
# 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_if(m4_quote($2), [0], [AT_BISON_CHECK_XML($@)],
m4_quote($2), [], [AT_BISON_CHECK_XML($@)])
AT_BISON_CHECK_NO_XML($@)])
+m4_define([AT_BISON_WERROR_MSG],
+ [[bison: warnings being treated as errors]])
+
# AT_BISON_CHECK_NO_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
# --------------------------------------------------------
# Same as AT_BISON_CHECK except don't perform XML/XSLT checks. This is useful
# handle.
m4_define([AT_BISON_CHECK_NO_XML],
[AT_CHECK(m4_if(m4_quote($2), [0], [], m4_quote($2), [], [],
- [AT_QUELL_VALGRIND ])[[bison ]]$@)])
+ [AT_QUELL_VALGRIND ])[[bison ]]$@)
+m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
+ m4_quote(m4_if(m4_quote($2), [], [0], [$2])), [0], [[
+ # Defining POSIXLY_CORRECT causes bison to complain if options
+ # are added after the grammar file name, so skip these checks
+ # in that case.
+ if test -z "${POSIXLY_CORRECT+set}"; then
+ ]AT_SAVE_SPECIAL_FILES[
+
+ # To avoid expanding it repeatedly, store specified stdout.
+ ]AT_DATA([expout], [$3])[
+
+ # Run with -Werror.
+ ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$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_CHECK(AT_QUELL_VALGRIND[[ bison ]$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_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Wnone -Werror]],
+ [[0]], [expout])[
+ ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=none \
+ -Werror]], [[0]], [expout])[
+
+ ]AT_RESTORE_SPECIAL_FILES[
+ fi
+ ]])
+])
# AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
# -----------------------------------------------------
# defined. It doesn't make sense to invoke this macro if Bison is expected to
# have a non-zero exit status.
m4_define([AT_BISON_CHECK_XML],
-[[if test x"$BISON_TEST_XML" = x1 && test x"$XSLTPROC" != x""; then
- mkdir xml-tests]
+[[if test x"$BISON_TEST_XML" = x1 && test x"$XSLTPROC" != x""; then]
+ AT_SAVE_SPECIAL_FILES
+ [mkdir xml-tests]
m4_pushdef([AT_BISON_ARGS],
[m4_bpatsubsts([[$1]],
[--report(-file)?=[^][ ]*], [],
AT_CHECK([[$XSLTPROC \
`]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \
xml-tests/test.xml]], [[0]], [expout])
- [rm -rf xml-tests expout
-fi]])
+ [rm -rf xml-tests expout]
+ AT_RESTORE_SPECIAL_FILES
+[fi]])
# AT_QUELL_VALGRIND
# -----------------
AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.cc])[]m4_bmatch([$1], [[.]], [], [ $LIBS])],
0, [ignore], [ignore])])
-
-# AT_FULL_COMPILE(OUTPUT, [OTHER])
-# --------------------------------
-# Compile OUTPUT.y to OUTPUT.c or OUTPUT.cc, and compile it to OUTPUT.
-# If OTHER is specified, compile OUTPUT-OTHER.c or OUTPUT-OTHER.cc to OUTPUT
-# along with it.
-# Relies on AT_SKEL_CC_IF.
-m4_define([AT_FULL_COMPILE],
-[AT_SKEL_CC_IF(
- [AT_BISON_CHECK([-o $1.cc $1.y])
- AT_COMPILE_CXX([$1]m4_ifval($2, [, [$1.cc $1-$2.cc]]))],
- [AT_BISON_CHECK([-o $1.c $1.y])
- AT_COMPILE([$1]m4_ifval($2, [, [$1.c $1-$2.c]]))])
+# AT_JAVA_COMPILE(SOURCES)
+# ------------------------
+# Compile SOURCES into Java class files. Skip the test if java or javac
+# is not installed.
+m4_define([AT_JAVA_COMPILE],
+[AT_KEYWORDS(java)
+AT_CHECK([[test -n "$CONF_JAVA" || exit 77
+ test -n "$CONF_JAVAC" || exit 77]])
+AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
+ [[0]], [ignore], [ignore])])
+
+# 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], [
+ AT_SKEL_JAVA_IF([
+ AT_BISON_CHECK([-o $1.java $1.y])
+ AT_JAVA_COMPILE([$1.java],
+ m4_join([ ],
+ [$1.java],
+ m4_ifval($2, [[$1-$2.java]]),
+ m4_ifval($3, [[$1-$3.java]])))
+ ], [
+ AT_SKEL_CC_IF([
+ AT_BISON_CHECK([-o $1.cc $1.y])
+ AT_COMPILE_CXX([$1],
+ m4_join([ ],
+ [$1.cc],
+ m4_ifval($2, [[$1-$2.cc]]),
+ m4_ifval($3, [[$1-$3.cc]])))
+ ], [
+ AT_BISON_CHECK([-o $1.c $1.y])
+ AT_COMPILE([$1],
+ m4_join([ ],
+ [$1.c],
+ m4_ifval($2, [[$1-$2.c]]),
+ m4_ifval($3, [[$1-$3.c]])))
+ ])
+ ])
])
## 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], [$4])])
+[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,
[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>
- static void yyerror (char const *msg);
- static int yylex (void);
+ ]AT_YYERROR_DECLARE[
+ ]AT_YYLEX_DECLARE[
}
]$4[
]$5[
%%
-
-static void
-yyerror (char const *msg)
-{
- fprintf (stderr, "%s\n", msg);
-}
-
+]AT_YYERROR_DEFINE[
static int
yylex (void)
{
# 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 thru 12 expand to properly quoted
+# string quotation. Assume args 7 through 12 expand to properly quoted
# strings.
m4_if(m4_index(m4_quote($3), [no-xml]), -1,
$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([$11], [m4_dquote($11)]),
m4_ifval([$12], [m4_dquote($12)]))
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
m4_popdef([AT_COND_CASE])])
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])
projects / bison.git / blobdiff