X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/55a30bda173145b0c18e9b36129284b2bfbdd364..a122efad8a2640f0f52b0be4fa35bb0d518f0a12:/tests/local.at diff --git a/tests/local.at b/tests/local.at index 10db0143..62e05709 100644 --- a/tests/local.at +++ b/tests/local.at @@ -1,36 +1,106 @@ # Process this -*- Autotest -*- file with autom4te. # Macros for the GNU Bison Test suite. -# Copyright (C) 2003, 2004, 2005, 2006 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 2, or (at your option) -# any later version. +# 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, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. +# along with this program. If not, see . -# We want a recent Autotest. 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_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.$4])]) + +# AT_LOC_POPDEF +# ------------- +# Popdef AT_LOC_(FIRST|LAST)_(LINE|COL). +m4_define([AT_LOC_POPDEF], +[m4_popdef([AT_LOC_FIRST_LINE]) +m4_popdef([AT_LOC_FIRST_COLUMN]) +m4_popdef([AT_LOC_LAST_LINE]) +m4_popdef([AT_LOC_LAST_COLUMN])]) + + # AT_BISON_OPTION_PUSHDEFS([BISON-OPTIONS]) # ----------------------------------------- m4_define([AT_BISON_OPTION_PUSHDEFS], -[_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])]) +[m4_divert_text([KILL], + [_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])])]) # _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS]) @@ -41,102 +111,145 @@ m4_define([AT_BISON_OPTION_PUSHDEFS], m4_define([_AT_BISON_OPTION_PUSHDEFS], [m4_if([$1$2], $[1]$[2], [], [m4_fatal([$0: Invalid arguments: $@])])dnl -m4_pushdef([AT_LALR1_CC_IF], -[m4_bmatch([$3], ["lalr1.cc"], [$1], [$2])]) -m4_pushdef([AT_GLR_CC_IF], -[m4_bmatch([$3], ["glr.cc"], [$1], [$2])]) +m4_pushdef([AT_DEFINES_IF], +[m4_bmatch([$3], [%defines], [$1], [$2])]) m4_pushdef([AT_SKEL_CC_IF], -[m4_bmatch([$3], ["\(glr\|lalr1\).cc"], [$1], [$2])]) +[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_LANG], +[AT_SKEL_JAVA_IF([java], + [AT_SKEL_CC_IF([c++], + [c])])]) m4_pushdef([AT_GLR_IF], -[m4_bmatch([$3], [%glr-parser], [$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], +[AT_SKEL_CC_IF([AT_GLR_IF([$1], [$2])], [$2])]) # Using yacc.c? m4_pushdef([AT_YACC_IF], -[m4_bmatch([$3], [%glr-parser\|%skeleton], [$2], [$1])]) -m4_pushdef([AT_PARAM_IF], -[m4_bmatch([$3], [%parse-param], [$1], [$2])]) +[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 location_type], [$1], [$2])]) +m4_pushdef([AT_PARAM_IF], +[m4_bmatch([$3], [%parse-param], [$1], [$2])]) m4_pushdef([AT_PURE_IF], -[m4_bmatch([$3], [%pure-parser], [$1], [$2])]) -m4_pushdef([AT_PUSH_IF], -[m4_bmatch([$3], [%push-parser], [$1], [$2])]) -m4_pushdef([AT_PURE_OR_PUSH_IF], -[m4_bmatch([$3], [%pure-parser\|%push-parser], [$1], [$2])]) +[m4_bmatch([$3], [%define *api\.pure\|%pure-parser], + [m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])], + [$2])]) m4_pushdef([AT_PURE_AND_LOC_IF], -[m4_bmatch([$3], [%locations.*%pure-parser\|%pure-parser.*%locations], - [$1], [$2])]) +[m4_bmatch([$3], [%locations], [AT_PURE_IF($@)], [$2])]) m4_pushdef([AT_GLR_OR_PARAM_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_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 & %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])]) # yyerror always sees the locations (when activated), except if -# push or (yacc & pure & !param). +# (yacc & pure & !param). FIXME: This is wrong. See the manual. m4_pushdef([AT_YYERROR_SEES_LOC_IF], -[AT_PUSH_IF([$2],[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])], +[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])], [$1])], [$1])], - [$2])])]) + [$2])]) -# The interface is pure: either because %pure-parser, or because we +# 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_OR_PUSH_IF([$1], +[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_LEX_FORMALS], - [YYSTYPE *lvalp[]AT_LOCATION_IF([, YYLTYPE *llocp])]) - m4_pushdef([AT_LEX_ARGS], + 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_LEX_PRE_FORMALS], - [AT_LEX_FORMALS, ]) - m4_pushdef([AT_LEX_PRE_ARGS], - [AT_LEX_ARGS, ]) + m4_pushdef([AT_YYLEX_PRE_FORMALS], + [AT_YYLEX_FORMALS, ]) + m4_pushdef([AT_YYLEX_PRE_ARGS], + [AT_YYLEX_ARGS, ]) ], -[m4_pushdef([AT_LOC], [(yylloc)]) - m4_pushdef([AT_VAL], [(yylval)]) - m4_pushdef([AT_LEX_FORMALS], [void]) - m4_pushdef([AT_LEX_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_LEX_PRE_FORMALS], []) - m4_pushdef([AT_LEX_PRE_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_popdef([AT_LEX_PRE_ARGS]) -m4_popdef([AT_LEX_PRE_FORMALS]) +[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_LEX_ARGS]) -m4_popdef([AT_LEX_FORMALS]) +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_GLR_OR_PARAM_IF]) m4_popdef([AT_PURE_AND_LOC_IF]) +m4_popdef([AT_LOCATION_TYPE_IF]) m4_popdef([AT_LOCATION_IF]) 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 @@ -145,21 +258,37 @@ m4_popdef([AT_LALR1_CC_IF]) ## Generating Grammar Files. ## ## -------------------------- ## - -# AT_DATA_GRAMMAR_PROLOGUE +# AT_DATA_SOURCE_PROLOGUE # ------------------------ -# The prologue that should be included in any grammar which parser is +# The prologue that should be included in any source code that is # meant to be compiled. -m4_define([AT_DATA_GRAMMAR_PROLOGUE], -[[%{ -#include +m4_define([AT_DATA_SOURCE_PROLOGUE], +[[#include /* 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) # ------------------------------ @@ -171,6 +300,270 @@ m4_define([AT_DATA_GRAMMAR], $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 +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); + 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_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 *llocp, ])[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 +/* A C error reporting function. */ +static +]AT_YYERROR_PROTOTYPE[ +{ +]AT_YYERROR_SEES_LOC_IF([[ + fprintf (stderr, "%d.%d", + ]AT_LOC_FIRST_LINE[, ]AT_LOC_FIRST_COLUMN[); + if (]AT_LOC_FIRST_LINE[ != ]AT_LOC_LAST_LINE[) + fprintf (stderr, "-%d.%d", + ]AT_LOC_LAST_LINE[, ]AT_LOC_LAST_COLUMN[ - 1); + else if (]AT_LOC_FIRST_COLUMN[ != ]AT_LOC_LAST_COLUMN[ - 1) + fprintf (stderr, "-%d", + ]AT_LOC_LAST_COLUMN[ - 1); + 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); + }]])])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_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_if(m4_quote($2), [0], [], m4_quote($2), [], [], + [AT_QUELL_VALGRIND ])[[bison ]]$@) +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_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 + ]]) +]) + +# 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]) + [cp xml-tests/test.dot expout] + AT_CHECK([[$XSLTPROC \ + `]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \ + xml-tests/test.xml]], [[0]], [expout]) + [rm -rf xml-tests expout] + AT_RESTORE_SPECIAL_FILES +[fi]]) + +# AT_QUELL_VALGRIND +# ----------------- +# Put this before a Bison invocation to keep Valgrind from complaining about +# reachable memory. +# +# Do not quote invocations of this macro within the first argument of AT_CHECK. +# The triple quoting below will cause test cases to fail if you do. If you do +# so anyway but also decrease the quoting below to avoid that problem, AT_CHECK +# will then fail to shell-escape its contents when attempting to print them. +# The testsuite verbose output, at least, will be incorrect, but nothing may +# fail to make sure you notice. +m4_define([AT_QUELL_VALGRIND], +[[[VALGRIND_OPTS="$VALGRIND_OPTS --leak-check=summary --show-reachable=no"; export VALGRIND_OPTS;]]]) ## ------------------------ ## ## Compiling C, C++ Files. ## @@ -179,35 +572,276 @@ $2]) # AT_COMPILE(OUTPUT, [SOURCES = OUTPUT.c]) # ---------------------------------------- -# Compile SOURCES into OUTPUT. If OUTPUT does not contain '.', -# assume that we are linking too; this is a hack. +# Compile SOURCES into OUTPUT. +# +# If OUTPUT does not contain '.', assume that we are linking too, +# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT +# with trailing .o removed, and ".c" appended. m4_define([AT_COMPILE], -[AT_CHECK([$CC $CFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.c])[]m4_bmatch([$1], [[.]], [], [ $LIBS])], +[AT_CHECK(m4_join([ ], + [$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 OUTPUT does not contain '.', -# assume that we are linking too; this is a hack. -# If the C++ compiler does not work, ignore the test. +# --------------------------------------------- +# 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([$BISON_CXX_WORKS], 0, ignore, ignore) -AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.cc])[]m4_bmatch([$1], [[.]], [], [ $LIBS])], +AT_CHECK(m4_join([ ], + [$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-$3.c]])))]) +]) ## ---------------------------- ## ## Running a generated parser. ## ## ---------------------------- ## -# AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR) -# ----------------------------------------------------- + +# AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE]) +# ------------------------------------------------------------ # So that we can run `./testsuite PREPARSER='valgrind -q' for instance. +# +# Get rid of spurious messages when compiled with --coverage: +# +profiling:/[...]/lib/fprintf.gcda:Merge mismatch for summaries m4_define([AT_PARSER_CHECK], -[AT_CHECK([$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, +# 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 + ]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])]) @@ -217,4 +851,15 @@ m4_define([AT_PARSER_CHECK], 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])