-# Checking the output filenames. -*- Autotest -*-
-# Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+# Simple calculator. -*- Autotest -*-
-# 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) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 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 <http://www.gnu.org/licenses/>.
## ---------------------------------------------------- ##
## Compile the grammar described in the documentation. ##
[m4_fatal([$0: Invalid arguments: $@])])dnl
AT_DATA_GRAMMAR([calc.y],
[[/* Infix notation calculator--calc */
-]$4[
+]$4
+AT_SKEL_CC_IF(
+[%define global_tokens_and_yystype])[
%{
#include <stdio.h>
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
+#include <stdlib.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#else
+# undef alarm
+# define alarm(seconds) /* empty */
#endif
#include <ctype.h>
-
-extern void perror (const char *s);
+#define USE(Var)
/* Exercise pre-prologue dependency to %union. */
-typedef int value;
+typedef int semantic_value;
-static value global_result = 0;
+static semantic_value global_result = 0;
static int global_count = 0;
-
-]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;])[
%}
/* Exercise %union. */
%union
{
- value ival;
+ semantic_value ival;
};
%{
static int power (int base, int exponent);
-/* yyerror receives the location if:
+]AT_SKEL_CC_IF(
+[#ifndef YYLTYPE
+[#] define YYLTYPE AT_NAME_PREFIX::location
+#endif
+#define first_line begin.line
+#define first_column begin.column
+#define last_line end.line
+#define last_column end.column
+],
+[/* yyerror receives the location if:
- %location & %pure & %glr
- %location & %pure & %yacc & %parse-param. */
-static void yyerror (]AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])[
- ]AT_PARAM_IF([value *result, int *count, ])[
+static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
+ AT_PARAM_IF([semantic_value *result, int *count, ])
const char *s
- );
+ );])[
static int yylex (]AT_LEX_FORMALS[);
-static int yygetc (]AT_LEX_FORMALS[);
-static void yyungetc (]AT_LEX_PRE_FORMALS[ int c);
+static int get_char (]AT_LEX_FORMALS[);
+static void unget_char (]AT_LEX_PRE_FORMALS[ int c);
%}
+]AT_SKEL_CC_IF(
+[/* The lalr1.cc skeleton, for backward compatibility, defines
+ a constructor for position that initializes the filename. The
+ glr.cc skeleton does not (and in fact cannot: location/position
+ are stored in a union, from which objects with constructors are
+ excluded in C++. */
+%initial-action {
+ @$.initialize (0);
+}
+])[
+
/* Bison Declarations */
%token CALC_EOF 0 "end of input"
%token <ival> NUM "number"
line:
'\n'
-| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1;])[ }
+| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; }
;
exp:
| '-' exp %prec NEG { $$ = -$2; }
| exp '^' exp { $$ = power ($1, $3); }
| '(' exp ')' { $$ = $2; }
-| '(' error ')' { $$ = 0; }
+| '(' error ')' { $$ = 1111; }
+| '!' { $$ = 0; YYERROR; }
+| '-' error { $$ = 0; YYERROR; }
;
%%
-/* The input. */
-static FILE *yyin;
+/* The input. */
+static FILE *input;
-]AT_LALR1_CC_IF(
-[/* Currently, print_ is required in C++. */
+]AT_SKEL_CC_IF(
+[/* A C++ error reporting function. */
void
-yy::Parser::print_ ()
+AT_NAME_PREFIX::parser::error (const location& l, const std::string& m)
{
- std::cerr << location;
-}
-
-/* A C++ error reporting function. */
-void
-yy::Parser::error_ ()
-{
- std::cerr << location << ": " << message << std::endl;
+ (void) l;
+ std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
}
int
-yyparse (void)
+yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
{
- yy::Parser parser = yy::Parser (!!YYDEBUG[]AT_LOCATION_IF([,
- yy::Location::Location ()]));
+ AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]);
+#if YYDEBUG
+ parser.set_debug_level (1);
+#endif
return parser.parse ();
}
],
[static void
-yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])
- AT_PARAM_IF([value *result, int *count, ])
+yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
+ AT_PARAM_IF([semantic_value *result, int *count, ])
const char *s)
{
AT_PARAM_IF([(void) result; (void) count;])
static YYLTYPE last_yylloc;
])[
static int
-yygetc (]AT_LEX_FORMALS[)
+get_char (]AT_LEX_FORMALS[)
{
- int res = getc (yyin);
+ int res = getc (input);
]AT_USE_LEX_ARGS[;
]AT_LOCATION_IF([
last_yylloc = AT_LOC;
if (res == '\n')
{
-AT_LALR1_CC_IF(
-[ AT_LOC.end.line++;
- AT_LOC.end.column = 0;],
-[ AT_LOC.last_line++;
- AT_LOC.last_column = 0;])
+ AT_LOC.last_line++;
+ AT_LOC.last_column = 1;
}
else
-AT_LALR1_CC_IF(
-[ AT_LOC.end.column++;],
-[ AT_LOC.last_column++;])
+ AT_LOC.last_column++;
])[
return res;
}
static void
-yyungetc (]AT_LEX_PRE_FORMALS[ int c)
+unget_char (]AT_LEX_PRE_FORMALS[ int c)
{
]AT_USE_LEX_ARGS[;
]AT_LOCATION_IF([
/* Wrong when C == `\n'. */
AT_LOC = last_yylloc;
])[
- ungetc (c, yyin);
+ ungetc (c, input);
}
static int
read_signed_integer (]AT_LEX_FORMALS[)
{
- int c = yygetc (]AT_LEX_ARGS[);
+ int c = get_char (]AT_LEX_ARGS[);
int sign = 1;
int n = 0;
]AT_USE_LEX_ARGS[;
if (c == '-')
{
- c = yygetc (]AT_LEX_ARGS[);
+ c = get_char (]AT_LEX_ARGS[);
sign = -1;
}
while (isdigit (c))
{
n = 10 * n + (c - '0');
- c = yygetc (]AT_LEX_ARGS[);
+ c = get_char (]AT_LEX_ARGS[);
}
- yyungetc (]AT_LEX_PRE_ARGS[ c);
+ unget_char (]AT_LEX_PRE_ARGS[ c);
return sign * n;
}
if (init)
{
init = 0;
-]AT_LALR1_CC_IF([],
-[AT_LOCATION_IF([
- AT_LOC.last_column = 0;
+]AT_LOCATION_IF([
+ AT_LOC.last_column = 1;
AT_LOC.last_line = 1;
-])])[
+])[
}
-]AT_LALR1_CC_IF(
-[ AT_LOC.begin = AT_LOC.end;],
-[AT_LOCATION_IF([
- AT_LOC.first_column = AT_LOC.last_column;
+]AT_LOCATION_IF([
+ AT_LOC.first_column = AT_LOC.last_column;
AT_LOC.first_line = AT_LOC.last_line;
-])])[
+])[
/* Skip white space. */
- while ((c = yygetc (]AT_LEX_ARGS[)) == ' ' || c == '\t')
+ while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t')
{
-]AT_LALR1_CC_IF(
-[ AT_LOC.begin = AT_LOC.end;],
-[AT_LOCATION_IF([
- AT_LOC.first_column = AT_LOC.last_column;
+]AT_LOCATION_IF(
+[ AT_LOC.first_column = AT_LOC.last_column;
AT_LOC.first_line = AT_LOC.last_line;
-])])[
+])[
}
/* process numbers */
if (c == '.' || isdigit (c))
{
- yyungetc (]AT_LEX_PRE_ARGS[ c);
+ unget_char (]AT_LEX_PRE_ARGS[ c);
]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
return NUM;
}
{
int res = 1;
if (exponent < 0)
- exit (1);
+ exit (3);
for (/* Niente */; exponent; --exponent)
res *= base;
return res;
int
main (int argc, const char **argv)
{
- value result = 0;
+ semantic_value result = 0;
int count = 0;
int status;
+ /* This used to be alarm (10), but that isn't enough time for
+ a July 1995 vintage DEC Alphastation 200 4/100 system,
+ according to Nelson H. F. Beebe. 100 seconds is enough. */
+ alarm (100);
+
if (argc == 2)
- yyin = fopen (argv[1], "r");
+ input = fopen (argv[1], "r");
else
- yyin = stdin;
+ input = stdin;
- if (!yyin)
+ if (!input)
{
perror (argv[1]);
- exit (1);
+ return 3;
}
-#if YYDEBUG
- yydebug = 1;
-#endif
- status = yyparse (]AT_PARAM_IF([&result, &count])[);
+]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
+[ yydebug = 1;])])[
+ status = yyparse (]AT_PARAM_IF([[&result, &count]])[);
+ fclose (input);
if (global_result != result)
abort ();
if (global_count != count)
-# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES = 0])
-# ------------------------------------------------------------
+# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES])
+# --------------------------------------------------------
# Run `calc' on INPUT and expect no STDOUT nor STDERR.
#
# If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
+#
# NUM-STDERR-LINES is the number of expected lines on stderr.
+# Currently this is ignored, though, since the output format is fluctuating.
#
# We don't count GLR's traces yet, since its traces are somewhat
# different from LALR's.
[[$2
]])
AT_PARSER_CHECK([./calc input], 0, [], [stderr])
-m4_bmatch([$1],
- [%debug.*%glr\|%glr.*%debug],
- [],
- [%debug],
- [AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$3
-])])
])
# _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
-# [NUM-DEBUG-LINES],
+# [NUM-STDERR-LINES],
# [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
# ---------------------------------------------------------
# Run `calc' on INPUT, and expect a `syntax error' message.
# If INPUT starts with a slash, it is used as absolute input file name,
# otherwise as contents.
#
+# NUM-STDERR-LINES is the number of expected lines on stderr.
+# Currently this is ignored, though, since the output format is fluctuating.
+#
# If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
# is correctly output on stderr.
#
[[$3
]])
AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
-m4_bmatch([$1],
- [%debug.*%glr\|%glr.*%debug],
- [],
- [%debug],
- [AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$4
-])])
# Normalize the observed and expected error messages, depending upon the
# options.
/^Stack/d
/^Reading/d
/^Reducing/d
+/^Return/d
/^Shifting/d
/^state/d
+/^Cleanup:/d
/^Error:/d
/^Next/d
+/^Now/d
/^Discarding/d
+/ \$[[0-9$]]* = /d
/^yydestructor:/d' stderr >at-stderr
mv at-stderr stderr
# 2. Create the reference error message.
])
-# AT_CALC_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_CHECK_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_IF],
-[m4_bmatch([$3], [%glr-parser], [$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_PURE_IF],
-[m4_bmatch([$3], [%pure-parser], [$1], [$2])])
-m4_pushdef([AT_PURE_AND_LOC_IF],
-[m4_bmatch([$3], [%locations.*%pure-parser\|%pure-parser.*%locations],
- [$1], [$2])])
-m4_pushdef([AT_GLR_OR_PARAM_IF],
-[m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
-
-# 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 cannot see the locations if !glr & pure & !param.
-m4_pushdef([AT_YYERROR_SEES_LOC_IF],
-[AT_LALR1_CC_IF([$1],
- [AT_LOCATION_IF([AT_GLR_IF([$1],
- [AT_PURE_IF([AT_PARAM_IF([$1],
- [$2])],
- [$1])])],
- [$2])])])
-
-# The interface is pure: either because %pure-parser, 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_PURE_LEX_IF(
-[m4_pushdef([AT_LOC], [(*yylloc)])
- m4_pushdef([AT_VAL], [(*yylval)])
- m4_pushdef([AT_LEX_FORMALS],
- [YYSTYPE *yylval[]AT_LOCATION_IF([, YYLTYPE *yylloc])])
- m4_pushdef([AT_LEX_ARGS],
- [yylval[]AT_LOCATION_IF([, yylloc])])
- m4_pushdef([AT_USE_LEX_ARGS],
- [(void) yylval;AT_LOCATION_IF([(void) yylloc])])
- m4_pushdef([AT_LEX_PRE_FORMALS],
- [AT_LEX_FORMALS, ])
- m4_pushdef([AT_LEX_PRE_ARGS],
- [AT_LEX_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_USE_LEX_ARGS], [])
- m4_pushdef([AT_LEX_PRE_FORMALS], [])
- m4_pushdef([AT_LEX_PRE_ARGS], [])
-])
-])# AT_CALC_PUSHDEFS
-
-
-# AT_CALC_POPDEFS
-# ---------------
-m4_define([AT_CHECK_POPDEFS],
-[m4_popdef([AT_LEX_PRE_ARGS])
-m4_popdef([AT_LEX_PRE_FORMALS])
-m4_popdef([AT_USE_LEX_ARGS])
-m4_popdef([AT_LEX_ARGS])
-m4_popdef([AT_LEX_FORMALS])
-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_GLR_OR_PARAM_IF])
-m4_popdef([AT_PURE_AND_LOC_IF])
-m4_popdef([AT_LOCATION_IF])
-m4_popdef([AT_PARAM_IF])
-m4_popdef([AT_GLR_IF])
-m4_popdef([AT_LALR1_CC_IF])
-])
-
-
-
-# AT_CHECK_CALC([BISON-OPTIONS])
-# ------------------------------
+# AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]])
+# --------------------------------------------------
# Start a testing chunk which compiles `calc' grammar with
# BISON-OPTIONS, and performs several tests over the parser.
+# However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
m4_define([AT_CHECK_CALC],
[# We use integers to avoid dependencies upon the precision of doubles.
AT_SETUP([Calculator $1])
-AT_CHECK_PUSHDEFS($[1], $[2], [$1])
+m4_ifval([$2], [AT_CHECK([exit 77])])
-AT_DATA_CALC_Y([$1])
+AT_BISON_OPTION_PUSHDEFS([$1])
-# Specify the output files to avoid problems on different file systems.
-AT_CHECK([bison -o calc.c calc.y],
- [0], [], [])
+AT_DATA_CALC_Y([$1])
-AT_LALR1_CC_IF(
-[AT_CHECK([$CXX --version || exit 77], 0, ignore, ignore)
-AT_COMPILE_CXX([calc])],
-[AT_COMPILE([calc])])
+AT_SKEL_CC_IF(
+ [AT_CHECK([bison -o calc.cc calc.y])
+ AT_COMPILE_CXX([calc])],
+ [AT_CHECK([bison -o calc.c calc.y])
+ AT_COMPILE([calc])])
# Test the priorities.
_AT_CHECK_CALC([$1],
2^2^3 = 256
(2^2)^3 = 64],
- [486])
+ [842])
# Some syntax errors.
-_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11],
- [1.2: syntax error, unexpected "number"])
-_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15],
- [1.2: syntax error, unexpected '/', expecting "number" or '-' or '('])
-_AT_CHECK_CALC_ERROR([$1], [1], [error], [4],
- [1.0: syntax error, unexpected $undefined, expecting "number" or '-' or '\n' or '('])
-_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22],
- [1.6: syntax error, unexpected '='])
+_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
+ [1.3: syntax error, unexpected number])
+_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
+ [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
+_AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
+ [1.1: syntax error, unexpected $undefined])
+_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
+ [1.7: syntax error, unexpected '='])
_AT_CHECK_CALC_ERROR([$1], [1],
[
+1],
- [14],
- [2.0: syntax error, unexpected '+'])
+ [20],
+ [2.1: syntax error, unexpected '+'])
# Exercise error messages with EOF: work on an empty file.
_AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
- [1.0: syntax error, unexpected "end of input", expecting "number" or '-' or '\n' or '('])
+ [1.1: syntax error, unexpected end of input])
# Exercise the error token: without it, we die at the first error,
-# hence be sure i. to have several errors, ii. to test the action
-# associated to `error'.
-_AT_CHECK_CALC_ERROR([$1], [0], [(1 ++ 2) + (0 0) = 1], [82],
-[1.4: syntax error, unexpected '+', expecting "number" or '-' or '('
-1.14: syntax error, unexpected "number"
-calc: error: 0 != 1])
-
-AT_CHECK_POPDEFS
+# hence be sure to
+#
+# - have several errors which exercise different shift/discardings
+# - (): nothing to pop, nothing to discard
+# - (1 + 1 + 1 +): a lot to pop, nothing to discard
+# - (* * *): nothing to pop, a lot to discard
+# - (1 + 2 * *): some to pop and discard
+#
+# - test the action associated to `error'
+#
+# - check the lookahead that triggers an error is not discarded
+# when we enter error recovery. Below, the lookahead causing the
+# first error is ")", which is needed to recover from the error and
+# produce the "0" that triggers the "0 != 1" error.
+#
+_AT_CHECK_CALC_ERROR([$1], [0],
+ [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
+ [250],
+[1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
+1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
+1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.41: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+calc: error: 4444 != 1])
+
+# The same, but this time exercising explicitly triggered syntax errors.
+# POSIX says the lookahead causing the error should not be discarded.
+_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
+[1.10: syntax error, unexpected number
+calc: error: 2222 != 1])
+_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
+[1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.12: syntax error, unexpected number
+calc: error: 2222 != 1])
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
])# AT_CHECK_CALC
# Simple LALR Calculator. #
# ------------------------ #
-AT_BANNER([[Simple LALR Calculator.]])
+AT_BANNER([[Simple LALR(1) Calculator.]])
# AT_CHECK_CALC_LALR([BISON-OPTIONS])
# -----------------------------------
AT_CHECK_CALC_LALR([%defines])
AT_CHECK_CALC_LALR([%locations])
-AT_CHECK_CALC_LALR([%name-prefix="calc"])
+AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
AT_CHECK_CALC_LALR([%verbose])
AT_CHECK_CALC_LALR([%yacc])
AT_CHECK_CALC_LALR([%error-verbose])
+AT_CHECK_CALC_LALR([%pure-parser %locations])
+AT_CHECK_CALC_LALR([%define push_pull "both" %pure-parser %locations])
AT_CHECK_CALC_LALR([%error-verbose %locations])
-AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR([%debug])
-AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%define push_pull "both" %pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
+AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
# ----------------------- #
AT_CHECK_CALC_GLR([%defines])
AT_CHECK_CALC_GLR([%locations])
-AT_CHECK_CALC_GLR([%name-prefix="calc"])
+AT_CHECK_CALC_GLR([%name-prefix "calc"])
AT_CHECK_CALC_GLR([%verbose])
AT_CHECK_CALC_GLR([%yacc])
AT_CHECK_CALC_GLR([%error-verbose])
+AT_CHECK_CALC_GLR([%pure-parser %locations])
AT_CHECK_CALC_GLR([%error-verbose %locations])
-AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR([%debug])
-AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
+AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
# ----------------------------- #
# Simple LALR1 C++ Calculator. #
# ----------------------------- #
-AT_BANNER([[Simple LALR1 C++ Calculator.]])
+AT_BANNER([[Simple LALR(1) C++ Calculator.]])
+
+# First let's try using %skeleton
+AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
# AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
# ---------------------------------------
# Start a testing chunk which compiles `calc' grammar with
-# BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
+# the C++ skeleton, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_LALR1_CC],
-[AT_CHECK_CALC([%skeleton "lalr1.cc"] $@)])
+[AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
+
+AT_CHECK_CALC_LALR1_CC([])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
+
+AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
-# AT_CHECK_CALC_LALR1_CC()
+AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_LALR1_CC([%defines %pure-parser %locations])
-# AT_CHECK_CALC_LALR1_CC([%defines])
-# AT_CHECK_CALC_LALR1_CC([%locations])
-# AT_CHECK_CALC_LALR1_CC([%name-prefix="calc"])
-# AT_CHECK_CALC_LALR1_CC([%verbose])
-# AT_CHECK_CALC_LALR1_CC([%yacc])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose])
+AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
-# AT_CHECK_CALC_LALR1_CC([%debug])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+# --------------------------- #
+# Simple GLR C++ Calculator. #
+# --------------------------- #
+
+AT_BANNER([[Simple GLR C++ Calculator.]])
+
+# Again, we try also using %skeleton.
+AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
+
+# AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
+# -------------------------------------
+# Start a testing chunk which compiles `calc' grammar with
+# the GLR C++ skeleton, and performs several tests over the parser.
+m4_define([AT_CHECK_CALC_GLR_CC],
+[AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
+
+AT_CHECK_CALC_GLR_CC([])
+AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
+
+AT_CHECK_CALC_GLR_CC([%debug])
+AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
+AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])