# Simple calculator. -*- Autotest -*-
-# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software
+# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
# Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
AT_DATA_GRAMMAR([calc.y],
[[/* Infix notation calculator--calc */
]$4
-AT_LALR1_CC_IF(
+AT_SKEL_CC_IF(
[%define "global_tokens_and_yystype"])[
%{
#include <stdio.h>
# define alarm(seconds) /* empty */
#endif
#include <ctype.h>
+#define USE(Var)
/* Exercise pre-prologue dependency to %union. */
typedef int semantic_value;
%{
static int power (int base, int exponent);
-]AT_LALR1_CC_IF(
-[typedef yy::location YYLTYPE;
+]AT_SKEL_CC_IF(
+[#ifndef YYLTYPE
+# define YYLTYPE yy::location
+#endif
#define first_line begin.line
#define first_column begin.column
#define last_line end.line
static void unget_char (]AT_LEX_PRE_FORMALS[ int c);
%}
+]AT_SKEL_CC_IF(
+[/* The lalr1.cc skeleton, for backward compatibility, defines
+ a constructor for position that initializes the filename. The
+ glr.cc skeleton does not (and in fact cannot: location/position
+ are stored in a union, from which objects with constructors are
+ excluded in C++. */
+%initial-action {
+ @$.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 '^' exp { $$ = power ($1, $3); }
| '(' exp ')' { $$ = $2; }
| '(' error ')' { $$ = 1111; }
-| '!' { YYERROR; }
-| '-' error { YYERROR; }
+| '!' { $$ = 0; YYERROR; }
+| '-' error { $$ = 0; YYERROR; }
;
%%
-/* The input. */
+/* The input. */
static FILE *input;
-]AT_LALR1_CC_IF(
-[/* A C++ error reporting function. */
+]AT_SKEL_CC_IF(
+[/* A C++ error reporting function. */
void
yy::parser::error (const location& l, const std::string& m)
{
return 3;
}
-]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug],
+]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
[ yydebug = 1;])])[
status = yyparse (]AT_PARAM_IF([&result, &count])[);
if (global_result != result)
-# _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.
AT_DATA_CALC_Y([$1])
-AT_LALR1_CC_IF(
+AT_SKEL_CC_IF(
[AT_CHECK([bison -o calc.cc calc.y])
AT_COMPILE_CXX([calc])],
[AT_CHECK([bison -o calc.c calc.y])
# Simple LALR Calculator. #
# ------------------------ #
-AT_BANNER([[Simple LALR Calculator.]])
+AT_BANNER([[Simple LALR(1) Calculator.]])
# AT_CHECK_CALC_LALR([BISON-OPTIONS])
# -----------------------------------
# Simple LALR1 C++ Calculator. #
# ----------------------------- #
-AT_BANNER([[Simple LALR1 C++ Calculator.]])
+AT_BANNER([[Simple LALR(1) C++ Calculator.]])
# AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
# ---------------------------------------
# Start a testing chunk which compiles `calc' grammar with
# 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([%skeleton "lalr1.cc" %defines %locations] $@)])
-# AT_CHECK_CALC_LALR1_CC()
+AT_CHECK_CALC_LALR1_CC([])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix="calc" %verbose %yacc])
-AT_CHECK_CALC_LALR1_CC([%defines %locations])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix="calc" %verbose %yacc])
-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])
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %locations])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations])
+AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
+
+
+
+# --------------------------- #
+# Simple GLR C++ Calculator. #
+# --------------------------- #
+
+AT_BANNER([[Simple GLR C++ Calculator.]])
+
+# 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([%skeleton "glr.cc" %defines %locations] $@)])
-AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
+#AT_CHECK_CALC_GLR_CC([])
+#AT_CHECK_CALC_GLR_CC([%error-verbose %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])
+# 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 {semantic_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}])
projects / bison.git / blobdiff