X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/72d848c21d85a531e965058d37787e646076b641..7fb72c6e53f25f2d0b10fc9e0b412b8c7cde9101:/tests/local.at?ds=sidebyside diff --git a/tests/local.at b/tests/local.at index 2544b2f6..65e528f9 100644 --- a/tests/local.at +++ b/tests/local.at @@ -1,31 +1,92 @@ # Process this -*- Autotest -*- file with autom4te. # Macros for the GNU Bison Test suite. -# Copyright (C) 2003, 2004, 2005 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., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# along with this program. If not, see . # We want a recent Autotest. m4_version_prereq([2.58]) +## ------------- ## +## 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]) # ----------------------------------------- @@ -41,65 +102,90 @@ 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_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])]) 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_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])], + [yy])]) # 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. +# (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 %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_IF([$1], - [AT_LALR1_CC_IF([$1], [$2])])]) + [AT_SKEL_CC_IF([$1], [$2])])]) AT_PURE_LEX_IF( -[m4_pushdef([AT_LOC], [(*yylloc)]) - m4_pushdef([AT_VAL], [(*yylval)]) +[m4_pushdef([AT_LOC], [(*llocp)]) + m4_pushdef([AT_VAL], [(*lvalp)]) m4_pushdef([AT_LEX_FORMALS], - [YYSTYPE *yylval[]AT_LOCATION_IF([, YYLTYPE *yylloc])]) + [YYSTYPE *lvalp[]AT_LOCATION_IF([, YYLTYPE *llocp])]) m4_pushdef([AT_LEX_ARGS], - [yylval[]AT_LOCATION_IF([, yylloc])]) + [lvalp[]AT_LOCATION_IF([, llocp])]) m4_pushdef([AT_USE_LEX_ARGS], - [(void) yylval;AT_LOCATION_IF([(void) yylloc])]) + [(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], [(yylloc)]) - m4_pushdef([AT_VAL], [(yylval)]) +[m4_pushdef([AT_LOC], [[(]AT_NAME_PREFIX[lloc)]]) + m4_pushdef([AT_VAL], [[(]AT_NAME_PREFIX[lval)]]) m4_pushdef([AT_LEX_FORMALS], [void]) m4_pushdef([AT_LEX_ARGS], []) m4_pushdef([AT_USE_LEX_ARGS], []) m4_pushdef([AT_LEX_PRE_FORMALS], []) m4_pushdef([AT_LEX_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 @@ -116,13 +202,21 @@ 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_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_SKEL_JAVA_IF]) +m4_popdef([AT_GLR_CC_IF]) m4_popdef([AT_LALR1_CC_IF]) +m4_popdef([AT_DEFINES_IF]) +AT_LOC_POPDEF ])# AT_BISON_OPTION_POPDEFS @@ -131,23 +225,37 @@ m4_popdef([AT_LALR1_CC_IF]) ## 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 +/* 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], -[[%{ -#if HAVE_CONFIG_H -# include - /* We don't need perfect functions for these tests. */ -# undef malloc -# undef memcmp -# undef realloc -#endif -%}] -]) +[[%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) # ------------------------------ @@ -159,6 +267,153 @@ m4_define([AT_DATA_GRAMMAR], $2]) ]) +# AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS]) +# ------------------------------------------------- +# 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_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 +# 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_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]) +# ----------------------------------------------------- +# 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([[$1]], + [--report(-file)?=[^][ ]*], [], + [--graph=[^][ ]*], [], + [--xml=[^][ ]*], [])])dnl + # Don't combine these Bison invocations since we want to be sure that + # --report=all isn't required to get the full XML file. + AT_CHECK([[bison --report=all --report-file=xml-tests/test.output \ + --graph=xml-tests/test.dot ]]AT_BISON_ARGS, + [[0]], [ignore], [ignore]) + AT_CHECK([[bison --xml=xml-tests/test.xml ]]AT_BISON_ARGS, + [[0]], [ignore], [ignore]) + m4_popdef([AT_BISON_ARGS])dnl + [cp xml-tests/test.output expout] + AT_CHECK([[$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. ## @@ -175,25 +430,233 @@ m4_define([AT_COMPILE], # 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. m4_define([AT_COMPILE_CXX], [AT_KEYWORDS(c++) AT_CHECK([$BISON_CXX_WORKS], 0, ignore, ignore) -AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS -o $1 m4_default([$2], [$1.cc])], - 0, [ignore], [ignore])]) +AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.cc])[]m4_bmatch([$1], [[.]], [], [ $LIBS])], + 0, [ignore], [ignore])]) +# AT_JAVA_COMPILE(SOURCES) +# ------------------------ +# Compile SOURCES into Java class files. Skip the test if java or javac +# is not installed. +m4_define([AT_JAVA_COMPILE], +[AT_KEYWORDS(java) +AT_CHECK([[test -n "$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, 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[-]$2[.c]]])) + ]) + ]) +]) ## ---------------------------- ## ## Running a generated parser. ## ## ---------------------------- ## -# AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR) -# ----------------------------------------------------- + +# AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE]) +# ------------------------------------------------------------ # So that we can run `./testsuite PREPARSER='valgrind -q' for instance. +# +# Get rid of spurious messages when compiled with --coverage: +# +profiling:/[...]/lib/fprintf.gcda:Merge mismatch for summaries m4_define([AT_PARSER_CHECK], -[AT_CHECK([$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_DATA_GRAMMAR([[input.y]], +[[%code { + #include + static void yyerror (char const *msg); + static int yylex (void); +} + +]$4[ + +%% + +]$5[ + +%% + +static void +yyerror (char const *msg) +{ + fprintf (stderr, "%s\n", msg); +} + +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 thru 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_CLEANUP + +m4_popdef([AT_COND_CASE])]) @@ -203,4 +666,15 @@ 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])