# Process this -*- Autotest -*- file with autom4te. # Macros for the GNU Bison Test suite. # Copyright (C) 2003-2013 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, see . 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])]) # AT_SETUP_STRIP(TITLE) # --------------------- # Abbreviate the TITLE to be passed to AT_SETUP. Remove new-lines # that completely break AT_SETUP. m4_define([AT_SETUP_STRIP], [m4_bpatsubsts([$1], [%\(language\|skeleton\) "?\([^\" ]*\)"?], [\2], [%define "?\([-A-Za-z0-9_.]+\)"? \("[^\"]+"\|[-A-Za-z0-9_.]+\)], [\1=\2], [%define "?\([-A-Za-z0-9_.]+\)"?], [\1], [ * + *], [ ])dnl ]) ## ------------- ## ## 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], [$3 ])]) # AT_SAVE_SPECIAL_FILES / AT_RESTORE_SPECIAL_FILES # ------------------------------------------------ # Don't interfere with caller's files. m4_divert_text([PREPARE_TESTS], [at_save_special_files () { for at_save_file in stderr experr expout do test ! -f at-bison-check-$at_save_file.bak || as_fn_error 1 "fatal error: back-up on top of a back-up" 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_FIRST_LINE], [$1]) m4_pushdef([AT_FIRST_COLUMN], [$2]) m4_pushdef([AT_LAST_LINE], [$3]) m4_pushdef([AT_LAST_COLUMN], [$4]) m4_pushdef([AT_LOC_FIRST_LINE], [AT_LOC.AT_FIRST_LINE]) m4_pushdef([AT_LOC_FIRST_COLUMN], [AT_LOC.AT_FIRST_COLUMN]) m4_pushdef([AT_LOC_LAST_LINE], [AT_LOC.AT_LAST_LINE]) m4_pushdef([AT_LOC_LAST_COLUMN], [AT_LOC.AT_LAST_COLUMN])]) # AT_LOC_POPDEF # ------------- # Popdef AT(_LOC)?_(FIRST|LAST)_(LINE|COLUMN). m4_define([AT_LOC_POPDEF], [m4_popdef([AT_LOC_FIRST_LINE]) m4_popdef([AT_LOC_FIRST_COLUMN]) m4_popdef([AT_LOC_LAST_LINE]) m4_popdef([AT_LOC_LAST_COLUMN]) m4_popdef([AT_FIRST_LINE]) m4_popdef([AT_FIRST_COLUMN]) m4_popdef([AT_LAST_LINE]) m4_popdef([AT_LAST_COLUMN]) ]) # AT_BISON_OPTION_PUSHDEFS([BISON-OPTIONS]) # ----------------------------------------- m4_define([AT_BISON_OPTION_PUSHDEFS], [m4_divert_text([KILL], [_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])])]) # _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS]) # -------------------------------------------------- # 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. 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_DEBUG_IF], [m4_bmatch([$3], [%debug\|%define parse.trace], [$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])]) # The target language: "c", "c++", or "java". 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\|%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], [%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 \(api\.location\.type\|location_type\)], [$1], [$2])]) m4_pushdef([AT_PARAM_IF], [m4_bmatch([$3], [%parse-param], [$1], [$2])]) # Comma-terminated list of formals parse-parameters. # E.g., %parse-param { int x } %parse-param {int y} -> "int x, int y, ". # FIXME: Support grouped parse-param. m4_pushdef([AT_PARSE_PARAMS]) m4_bpatsubst([$3], [%parse-param { *\([^{}]*[^{} ]\) *}], [m4_append([AT_PARSE_PARAMS], [\1, ])]) m4_pushdef([AT_PURE_IF], [m4_bmatch([$3], [%define *api\.pure\|%pure-parser], [m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])], [$2])]) # AT_NAME_PREFIX: also consider api.namespace. m4_pushdef([AT_NAME_PREFIX], [m4_bmatch([$3], [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) ".*"], [m4_bregexp([$3], [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) "\([^""]*\)"], [\3])], [yy])]) m4_pushdef([AT_TOKEN_CTOR_IF], [m4_bmatch([$3], [%define api\.token\.constructor], [$1], [$2])]) m4_pushdef([AT_TOKEN_PREFIX], [m4_bmatch([$3], [%define api\.token\.prefix ".*"], [m4_bregexp([$3], [%define api\.token\.prefix "\(.*\)"], [\1])])]) m4_pushdef([AT_VARIANT_IF], [m4_bmatch([$3], [%define api\.value\.type "?variant"?], [$1], [$2])]) 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, and if the parser is pure. For # historical reasons, with the "yacc.c" skeleton, the location is not passed # unless an additional "%parse-param" is present, or if the purity is defined # as "full". m4_pushdef([AT_YYERROR_ARG_LOC_IF], [AT_LOCATION_IF([AT_PURE_IF([m4_bmatch([$3], m4_quote(m4_join([\|], [%define api\.pure "?full"?], [%glr-parser], [%parse-param], [%skeleton "?glr.c"?])), [$1], [$2])], [$2])], [$2])]) # yyerror always sees the locations (when activated) if the parser is impure. # When the parser is pure, yyerror sees the location if it is received as an # argument. m4_pushdef([AT_YYERROR_SEES_LOC_IF], [AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_YYERROR_ARG_LOC_IF([$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])])]) 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_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_YYLEX_PRE_FORMALS], [AT_YYLEX_FORMALS, ]) m4_pushdef([AT_YYLEX_PRE_ARGS], [AT_YYLEX_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_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_GLR_IF([AT_KEYWORDS([glr])]) ])# _AT_BISON_OPTION_PUSHDEFS # AT_BISON_OPTION_POPDEFS # ----------------------- m4_define([AT_BISON_OPTION_POPDEFS], [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_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_VARIANT_IF]) m4_popdef([AT_TOKEN_PREFIX]) m4_popdef([AT_TOKEN_CTOR_IF]) m4_popdef([AT_NAME_PREFIX]) m4_popdef([AT_LOCATION_TYPE_IF]) m4_popdef([AT_LOCATION_IF]) m4_popdef([AT_PARSE_PARAMS]) 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]) m4_popdef([AT_DEBUG_IF]) AT_LOC_POPDEF])dnl ])# AT_BISON_OPTION_POPDEFS ## -------------------------- ## ## Generating Grammar Files. ## ## -------------------------- ## # _AT_LANG_DISPATCH(LANG, MACRO, ARGS) # ------------------------------------ # Call the specialization of MACRO for LANG with ARGS. Complain if # unavailable. m4_define([_AT_LANG_DISPATCH], [m4_ifdef([$2($1)], [m4_indir([$2($1)], m4_shift2($@))], [m4_fatal([$2: unknown language: $1])])]) # AT_LANG_DISPATCH(MACRO, ARGS) # ----------------------------- # Call the specialization of MACRO for AT_LANG with ARGS. Complain if # unavailable. m4_define([AT_LANG_DISPATCH], [_AT_LANG_DISPATCH(AT_LANG, $@)]) # 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], [[%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) # ------------------------------ # Generate the file NAME, which CONTENT is preceded by # AT_DATA_GRAMMAR_PROLOGUE. m4_define([AT_DATA_GRAMMAR], [AT_DATA([$1], [AT_DATA_GRAMMAR_PROLOGUE $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 / sizeof input[0]); 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_FORMALS # 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], [AT_LANG_DISPATCH([$0], $@)]) m4_define([AT_YYERROR_PROTOTYPE],[AT_LANG_DISPATCH([$0], $@)]) m4_define([AT_YYERROR_DECLARE_EXTERN], [AT_LANG_DISPATCH([$0], $@)]) m4_define([AT_YYERROR_DECLARE], [AT_LANG_DISPATCH([$0], $@)]) m4_define([AT_YYERROR_DEFINE], [AT_LANG_DISPATCH([$0], $@)]) # AT_MAIN_DEFINE # -------------- m4_define([AT_MAIN_DEFINE], [AT_LANG_DISPATCH([$0], $@)]) ## --- ## ## C. ## ## --- ## m4_define([AT_YYERROR_FORMALS(c)], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE const * const llocp, ])AT_PARSE_PARAMS [const char *msg]]) m4_define([AT_YYERROR_PROTOTYPE(c)], [[void ]AT_NAME_PREFIX[error (]AT_YYERROR_FORMALS[)]]) m4_define([AT_YYERROR_DECLARE_EXTERN(c)], [AT_YYERROR_PROTOTYPE;]) m4_define([AT_YYERROR_DECLARE(c)], [#include ]AT_LOCATION_IF([[ #if defined ]AT_YYLTYPE[_IS_TRIVIAL && ]AT_YYLTYPE[_IS_TRIVIAL static unsigned location_print (FILE *yyo, ]AT_YYLTYPE[ const * const yylocp); # ifndef LOCATION_PRINT # define LOCATION_PRINT(File, Loc) location_print (File, &(Loc)) # endif #endif ]])[ static AT_YYERROR_DECLARE_EXTERN]) m4_define([AT_YYERROR_DEFINE(c)], [[ ]AT_LOCATION_IF([[ # if defined ]AT_YYLTYPE[_IS_TRIVIAL && ]AT_YYLTYPE[_IS_TRIVIAL /* Print *YYLOCP on YYO. */ __attribute__((__unused__)) static unsigned location_print (FILE *yyo, ]AT_YYLTYPE[ const * const yylocp) { unsigned res = 0; int end_col = 0 != yylocp->last_column ? yylocp->last_column - 1 : 0; if (0 <= yylocp->first_line) { res += fprintf (yyo, "%d", yylocp->first_line); if (0 <= yylocp->first_column) res += fprintf (yyo, ".%d", yylocp->first_column); } if (0 <= yylocp->last_line) { if (yylocp->first_line < yylocp->last_line) { res += fprintf (yyo, "-%d", yylocp->last_line); if (0 <= end_col) res += fprintf (yyo, ".%d", end_col); } else if (0 <= end_col && yylocp->first_column < end_col) res += fprintf (yyo, "-%d", end_col); } return res; } #endif ]])[ /* A C error reporting function. */ static ]AT_YYERROR_PROTOTYPE[ {]m4_bpatsubst(m4_defn([AT_PARSE_PARAMS]), [[^,]+[^A-Za-z_0-9]\([A-Za-z_][A-Za-z_0-9]*\), *], [ YYUSE(\1);])dnl AT_YYERROR_SEES_LOC_IF([[ LOCATION_PRINT (stderr, ]AT_LOC[); fprintf (stderr, ": ");]])[ fprintf (stderr, "%s\n", msg); }]]) m4_define([AT_MAIN_DEFINE(c)], [[#include /* getenv. */ #include /* strcmp. */ int main (int argc, char const* argv[]) {]AT_DEBUG_IF([[ if (getenv("YYDEBUG") || (argc == 2 && (!strcmp (argv[1], "-d") || !strcmp (argv[1], "--debug")))) yydebug |= 1;]], [[ (void) argc; (void) argv;]])[ return ]AT_NAME_PREFIX[parse (); }]]) ## ----- ## ## C++. ## ## ----- ## # No need to declare, it's part of the class interface. m4_define([AT_YYERROR_DECLARE(c++)], []) m4_define([AT_YYERROR_DECLARE_EXTERN(c++)], []) m4_define([AT_YYERROR_DEFINE(c++)], [[/* A C++ error reporting function. */ void ]AT_NAME_PREFIX[::parser::error (]AT_LOCATION_IF([[const location_type& l, ]])[const std::string& m) { std::cerr << ]AT_LOCATION_IF([l << ": " << ])[m << std::endl; }]]) m4_define([AT_MAIN_DEFINE(c++)], [[#include // getenv. #include // strcmp. int main (int argc, char const* argv[]) { ]AT_NAME_PREFIX[::parser p;]AT_DEBUG_IF([[ if (getenv("YYDEBUG") || (argc == 2 && (!strcmp (argv[1], "-d") || !strcmp (argv[1], "--debug")))) p.set_debug_level (true);]], [[ (void) argc; (void) argv;]])[ return p.parse (); }]]) ## ------ ## ## Java. ## ## ------ ## m4_define([AT_YYERROR_DEFINE(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); } ]])]) m4_define([AT_MAIN_DEFINE(java)], [[class input { public static void main (String args[]) throws IOException { YYParser p = new YYParser (); p.parse (); } }]]) ## --------------- ## ## 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($@)]) # AT_BISON_CHECK_(BISON_ARGS, [OTHER_AT_CHECK_ARGS]) # -------------------------------------------------- # Low-level macro to run bison once. m4_define([AT_BISON_CHECK_], [AT_CHECK(AT_QUELL_VALGRIND[[ bison -fno-caret ]]$@)]) # AT_BISON_CHECK_WARNINGS(BISON_ARGS, [OTHER_AT_CHECK_ARGS]) # ---------------------------------------------------------- # Check that warnings (if some are expected) are correctly # turned into errors with -Werror, etc. m4_define([AT_BISON_CHECK_WARNINGS], [m4_if(m4_bregexp([$4], [: warning: ]), [-1], [], [m4_null_if([$2], [AT_BISON_CHECK_WARNINGS_($@)])])]) m4_define([AT_BISON_CHECK_WARNINGS_], [[# 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 "$POSIXLY_CORRECT_IS_EXPORTED" = false; 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([[experr]], [$4])[ $PERL -pi -e 's{(.*): warning: (.*)\[-W(.*)\]$} {$][1: error: $][2\@<:@-Werror=$][3@:>@}' experr ]AT_CHECK([[sed 's,.*/$,,' 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]dnl ]) # 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_null_if([$2], [], [AT_QUELL_VALGRIND ])[[bison -fno-caret ]]$@) AT_BISON_CHECK_WARNINGS($@)]) # 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]) [sort xml-tests/test.dot > expout] AT_CHECK([[$XSLTPROC \ `]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \ xml-tests/test.xml | sort]], [[0]], [expout]) [rm -rf xml-tests expout] AT_RESTORE_SPECIAL_FILES [fi]]) # AT_QUELL_VALGRIND # ----------------- # Put this before a Bison invocation to keep Valgrind from complaining about # reachable memory. # # Do not quote invocations of this macro within the first argument of AT_CHECK. # The triple quoting below will cause test cases to fail if you do. If you do # so anyway but also decrease the quoting below to avoid that problem, AT_CHECK # will then fail to shell-escape its contents when attempting to print them. # The testsuite verbose output, at least, will be incorrect, but nothing may # fail to make sure you notice. m4_define([AT_QUELL_VALGRIND], [[[VALGRIND_OPTS="$VALGRIND_OPTS --leak-check=summary --show-reachable=no"; export VALGRIND_OPTS;]]]) ## ------------------------ ## ## Compiling C, C++ Files. ## ## ------------------------ ## # AT_COMPILE(OUTPUT, [SOURCES = OUTPUT.c]) # ---------------------------------------- # 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([$BISON_C_WORKS], 0, ignore, ignore) AT_CHECK(m4_join([ ], [$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 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([$BISON_CXX_WORKS], 0, ignore, ignore) AT_CHECK(m4_join([ ], [$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], [AT_LANG_DISPATCH([$0], $@)]) m4_define([AT_LANG_COMPILE(c)], [AT_COMPILE([$1], [$2])]) m4_define([AT_LANG_COMPILE(c++)], [AT_COMPILE_CXX([$1], [$2])]) m4_define([AT_LANG_COMPILE(java)], [AT_JAVA_COMPILE([$1.java], [$2])]) # 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_LANG_DISPATCH([$0], $@)]) m4_define([AT_FULL_COMPILE(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]])))]) m4_define([AT_FULL_COMPILE(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]])))]) m4_define([AT_FULL_COMPILE(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-$3.java]])))]) # AT_SKIP_IF_CANNOT_LINK_C_AND_CXX # -------------------------------- # Check that we can link together C and C++ objects. m4_define([AT_SKIP_IF_CANNOT_LINK_C_AND_CXX], [AT_DATA([c-and-cxx.h], [[#ifdef __cplusplus extern "C" { #endif int fortytwo (void); #ifdef __cplusplus } #endif ]]) AT_DATA([c-only.c], [[#include "c-and-cxx.h" int main (void) { return fortytwo () == 42 ? 0 : 1; } ]]) AT_DATA([cxx-only.cc], [[#include "c-and-cxx.h" int fortytwo () { return 42; } ]]) AT_COMPILE([c-only.o], [c-only.c]) AT_COMPILE_CXX([cxx-only.o], [cxx-only.cc]) AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx || exit 77], [ignore], [ignore]) AT_PARSER_CHECK([./c-and-cxx]) ]) ## ---------------------------- ## ## 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], [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 { ]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++; } ]AT_MAIN_DEFINE[ ]]) # 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])([[-Wall --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])]) ## ----------------------- ## ## Launch the test suite. ## ## ----------------------- ## AT_INIT # AT_SETUP([TITLE]) # ----------------- # Redefine AT_SETUP to be more concise. Must be done after AT_INIT. m4_copy_force([AT_SETUP], [B4_SETUP]) m4_define([AT_SETUP], [B4_SETUP(m4_expand([AT_SETUP_STRIP([[$1]])]))]) # 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])