X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/da730230ce159265f4380daa456e3e3c5f9422f4..72cd9a913f6d282c5e24990505c2c820bda2bf1b:/tests/local.at diff --git a/tests/local.at b/tests/local.at index ad0cf8e5..02e45597 100644 --- a/tests/local.at +++ b/tests/local.at @@ -1,7 +1,8 @@ # Process this -*- Autotest -*- file with autom4te. # Macros for the GNU Bison Test suite. -# Copyright (C) 2003, 2004, 2005, 2006, 2007 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 @@ -20,10 +21,45 @@ 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 +])]) + + ## ------------------------------- ## ## 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]) # ----------------------------------------- @@ -35,12 +71,16 @@ m4_define([AT_BISON_OPTION_PUSHDEFS], # -------------------------------------------------- # 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 $$1. +# This sucks hard, GNU M4 should really provide M5-like $$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])]) m4_pushdef([AT_GLR_IF], [m4_bmatch([$3], [%glr-parser\|%skeleton "glr\.], [$1], [$2])]) m4_pushdef([AT_LALR1_CC_IF], @@ -52,13 +92,15 @@ 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_PARAM_IF], -[m4_bmatch([$3], [%parse-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], [%define *api\.pure\|%pure-parser], - [m4_bmatch([$3], [%define *api\.pure *"false"], [$2], [$1])], + [m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])], [$2])]) m4_pushdef([AT_PURE_AND_LOC_IF], [m4_bmatch([$3], [%locations], [AT_PURE_IF($@)], [$2])]) @@ -68,46 +110,60 @@ m4_pushdef([AT_NAME_PREFIX], [m4_bmatch([$3], [%name-prefix ".*"], [m4_bregexp([$3], [name-prefix "\([^"]*\)"], [\1])], [yy])]) +m4_pushdef([AT_TOKEN_PREFIX], +[m4_bmatch([$3], [%define api.tokens.prefix ".*"], + [m4_bregexp([$3], [%define api.tokens.prefix "\(.*\)"], [\1])])]) # 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], [(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_GLR_IF([AT_KEYWORDS([glr])]) ])# _AT_BISON_OPTION_PUSHDEFS @@ -127,14 +183,18 @@ 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 @@ -143,21 +203,37 @@ 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) # ------------------------------ @@ -171,8 +247,10 @@ $2]) # 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: @@ -183,11 +261,19 @@ $2]) # # 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($@)]) +m4_define([AT_BISON_WERROR_MSG], + [[bison: warnings being treated as errors]]) + # AT_BISON_CHECK_NO_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS]) # -------------------------------------------------------- # Same as AT_BISON_CHECK except don't perform XML/XSLT checks. This is useful @@ -195,7 +281,81 @@ AT_BISON_CHECK_NO_XML($@)]) # 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 ]$1[ --warnings=none \ + -Werror]], [[0]], [expout])[ + + # Restore caller's files. + if test -f at-bison-check-expout.bak; then + mv at-bison-check-expout.bak expout + fi + if test -f at-bison-check-experr.bak; then + mv at-bison-check-experr.bak experr + fi + if test -f at-bison-check-stderr.bak; then + mv at-bison-check-stderr.bak stderr + fi + fi + ]]) +]) # AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS]) # ----------------------------------------------------- @@ -203,8 +363,8 @@ m4_define([AT_BISON_CHECK_NO_XML], # defined. It doesn't make sense to invoke this macro if Bison is expected to # have a non-zero exit status. m4_define([AT_BISON_CHECK_XML], -[[if test x"$BISON_TEST_XML" = x1 && test x"$XSLTPROC" != x""; then] - mkdir xml-tests +[[if test x"$BISON_TEST_XML" = x1 && test x"$XSLTPROC" != x""; then + mkdir xml-tests] m4_pushdef([AT_BISON_ARGS], [m4_bpatsubsts([[$1]], [--report(-file)?=[^][ ]*], [], @@ -218,16 +378,16 @@ m4_define([AT_BISON_CHECK_XML], AT_CHECK([[bison --xml=xml-tests/test.xml ]]AT_BISON_ARGS, [[0]], [ignore], [ignore]) m4_popdef([AT_BISON_ARGS])dnl - cp xml-tests/test.output expout + [cp xml-tests/test.output expout] AT_CHECK([[$XSLTPROC \ `]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2text.xsl \ xml-tests/test.xml]], [[0]], [expout]) - cp xml-tests/test.dot expout + [cp xml-tests/test.dot expout] AT_CHECK([[$XSLTPROC \ `]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \ xml-tests/test.xml]], [[0]], [expout]) - rm -rf xml-tests expout -[fi]]) + [rm -rf xml-tests expout +fi]]) # AT_QUELL_VALGRIND # ----------------- @@ -254,7 +414,7 @@ m4_define([AT_QUELL_VALGRIND], # assume that we are linking too; this is a hack. m4_define([AT_COMPILE], [AT_CHECK([$CC $CFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.c])[]m4_bmatch([$1], [[.]], [], [ $LIBS])], - 0, [ignore], [ignore])]) + 0, [ignore], [ignore])]) # AT_COMPILE_CXX(OUTPUT, [SOURCES = OUTPUT.cc]) # -------------------------------------------- @@ -265,20 +425,226 @@ m4_define([AT_COMPILE_CXX], [AT_KEYWORDS(c++) AT_CHECK([$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], [[.]], [], [ $LIBS])], - 0, [ignore], [ignore])]) + 0, [ignore], [ignore])]) +# AT_JAVA_COMPILE(SOURCES) +# ------------------------ +# Compile SOURCES into Java class files. Skip the test if java or javac +# is not installed. +m4_define([AT_JAVA_COMPILE], +[AT_KEYWORDS(java) +AT_CHECK([[test -n "$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, 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, [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, +# 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])]) @@ -288,4 +654,15 @@ 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])