# 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
[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_pushdef([AT_LALR1_CC_IF],
# yyerror receives the location if %location & %pure & (%glr or %parse-param).
m4_pushdef([AT_YYERROR_ARG_LOC_IF],
[AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
- [$2])])
+ [$2])])
# yyerror always sees the locations (when activated), except if
# (yacc & pure & !param). FIXME: This is wrong. See the manual.
m4_pushdef([AT_YYERROR_SEES_LOC_IF],
[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
- [$1])],
- [$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])])])
+ [AT_SKEL_CC_IF([$1], [$2])])])
AT_PURE_LEX_IF(
[m4_pushdef([AT_LOC], [(*llocp)])
m4_pushdef([AT_VAL], [(*lvalp)])
m4_pushdef([AT_LEX_FORMALS],
- [YYSTYPE *lvalp[]AT_LOCATION_IF([, YYLTYPE *llocp])])
+ [YYSTYPE *lvalp[]AT_LOCATION_IF([, YYLTYPE *llocp])])
m4_pushdef([AT_LEX_ARGS],
- [lvalp[]AT_LOCATION_IF([, llocp])])
+ [lvalp[]AT_LOCATION_IF([, llocp])])
m4_pushdef([AT_USE_LEX_ARGS],
- [(void) lvalp;AT_LOCATION_IF([(void) llocp])])
+ [(void) lvalp;AT_LOCATION_IF([(void) llocp])])
m4_pushdef([AT_LEX_PRE_FORMALS],
- [AT_LEX_FORMALS, ])
+ [AT_LEX_FORMALS, ])
m4_pushdef([AT_LEX_PRE_ARGS],
- [AT_LEX_ARGS, ])
+ [AT_LEX_ARGS, ])
],
[m4_pushdef([AT_LOC], [[(]AT_NAME_PREFIX[lloc)]])
m4_pushdef([AT_VAL], [[(]AT_NAME_PREFIX[lval)]])
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])
# 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
+ # Don't interfere with caller's files.
+ if test -f stderr; then mv stderr at-bison-check-stderr.bak; fi
+ if test -f experr; then mv experr at-bison-check-experr.bak; fi
+ if test -f expout; then mv expout at-bison-check-expout.bak; fi
+
+ # 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 ]$1[ --warnings=none \
+ -Werror]], [[0]], [expout])[
+
+ # Restore caller's files.
+ if test -f at-bison-check-expout.bak; then
+ mv at-bison-check-expout.bak expout
+ fi
+ if test -f at-bison-check-experr.bak; then
+ mv at-bison-check-experr.bak experr
+ fi
+ if test -f at-bison-check-stderr.bak; then
+ mv at-bison-check-stderr.bak stderr
+ fi
+ fi
+ ]])
+])
# AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
# -----------------------------------------------------
# assume that we are linking too; this is a hack.
m4_define([AT_COMPILE],
[AT_CHECK([$CC $CFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.c])[]m4_bmatch([$1], [[.]], [], [ $LIBS])],
- 0, [ignore], [ignore])])
+ 0, [ignore], [ignore])])
# AT_COMPILE_CXX(OUTPUT, [SOURCES = OUTPUT.cc])
# --------------------------------------------
[AT_KEYWORDS(c++)
AT_CHECK([$BISON_CXX_WORKS], 0, ignore, ignore)
AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.cc])[]m4_bmatch([$1], [[.]], [], [ $LIBS])],
- 0, [ignore], [ignore])])
+ 0, [ignore], [ignore])])
+# AT_JAVA_COMPILE(SOURCES)
+# ------------------------
+# Compile SOURCES into Java class files. Skip the test if java or javac
+# is not installed.
+m4_define([AT_JAVA_COMPILE],
+[AT_KEYWORDS(java)
+AT_CHECK([[test -n "$CONF_JAVA" || exit 77
+ test -n "$CONF_JAVAC" || exit 77]])
+AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
+ [[0]], [ignore], [ignore])])
# AT_FULL_COMPILE(OUTPUT, [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]]))])
+# 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_ifval($2,
+ [[$1[.java ]$1[-]$2[.java]]]))
+ ], [
+ 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]]]))
+ ])
+ ])
])
m4_define([AT_PARSER_CHECK],
[AT_CHECK([$5 $PREPARSER $1], [$2], [$3], [$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,
$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]],
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])
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