# 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 */
]$4
-AT_LALR1_CC_IF(
+AT_SKEL_CC_IF(
[%define "global_tokens_and_yystype"])[
%{
#include <stdio.h>
# define alarm(seconds) /* empty */
#endif
#include <ctype.h>
+#define USE(Var)
/* Exercise pre-prologue dependency to %union. */
typedef int semantic_value;
%{
static int power (int base, int exponent);
-]AT_LALR1_CC_IF(
-[typedef yy::location YYLTYPE;
+]AT_SKEL_CC_IF(
+[#ifndef YYLTYPE
+[#] define YYLTYPE AT_NAME_PREFIX::location
+#endif
#define first_line begin.line
#define first_column begin.column
#define last_line end.line
static void unget_char (]AT_LEX_PRE_FORMALS[ int c);
%}
+]AT_SKEL_CC_IF(
+[/* The lalr1.cc skeleton, for backward compatibility, defines
+ a constructor for position that initializes the filename. The
+ glr.cc skeleton does not (and in fact cannot: location/position
+ are stored in a union, from which objects with constructors are
+ excluded in C++. */
+%initial-action {
+ @$.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)
+AT_NAME_PREFIX::parser::error (const location& l, const std::string& m)
{
(void) l;
std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
int
yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
{
- yy::parser parser[]AT_PARAM_IF([ (result, count)]);
- parser.set_debug_level (!!YYDEBUG);
+ AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]);
+#if YYDEBUG
+ parser.set_debug_level (1);
+#endif
return parser.parse ();
}
],
if (res == '\n')
{
AT_LOC.last_line++;
- AT_LOC.last_column = 0;
+ AT_LOC.last_column = 1;
}
else
AT_LOC.last_column++;
{
init = 0;
]AT_LOCATION_IF([
- AT_LOC.last_column = 0;
+ AT_LOC.last_column = 1;
AT_LOC.last_line = 1;
])[
}
return 3;
}
-]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug],
+]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
[ yydebug = 1;])])[
status = yyparse (]AT_PARAM_IF([&result, &count])[);
if (global_result != result)
/^Stack/d
/^Reading/d
/^Reducing/d
+/^Return/d
/^Shifting/d
/^state/d
/^Cleanup:/d
/^Error:/d
/^Next/d
+/^Now/d
/^Discarding/d
/ \$[[0-9$]]* = /d
/^yydestructor:/d' stderr >at-stderr
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])
# Some syntax errors.
_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15],
- [1.2: syntax error, unexpected number])
+ [1.3: syntax error, unexpected number])
_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20],
- [1.2: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
+ [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!'])
_AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
- [1.0: syntax error, unexpected $undefined])
+ [1.1: syntax error, unexpected $undefined])
_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30],
- [1.6: syntax error, unexpected '='])
+ [1.7: syntax error, unexpected '='])
_AT_CHECK_CALC_ERROR([$1], [1],
[
+1],
[20],
- [2.0: syntax error, unexpected '+'])
+ [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])
+ [1.1: syntax error, unexpected end of input])
# Exercise the error token: without it, we die at the first error,
# hence be sure to
#
# - test the action associated to `error'
#
-# - check the look-ahead that triggers an error is not discarded
-# when we enter error recovery. Below, the look-ahead causing the
+# - 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],
-[1.1: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
-1.17: syntax error, unexpected ')', expecting number or '-' or '(' or '!'
-1.22: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
-1.40: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+[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 look-ahead causing the error should not be discarded.
+# POSIX says the lookahead causing the error should not be discarded.
_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102],
-[1.9: syntax error, unexpected number
+[1.10: syntax error, unexpected number
calc: error: 2222 != 1])
_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
-[1.3: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
-1.11: syntax error, unexpected number
+[1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.12: syntax error, unexpected number
calc: error: 2222 != 1])
AT_BISON_OPTION_POPDEFS
# Simple LALR Calculator. #
# ------------------------ #
-AT_BANNER([[Simple LALR Calculator.]])
+AT_BANNER([[Simple LALR(1) Calculator.]])
# AT_CHECK_CALC_LALR([BISON-OPTIONS])
# -----------------------------------
AT_CHECK_CALC_LALR([%error-verbose])
AT_CHECK_CALC_LALR([%pure-parser %locations])
+AT_CHECK_CALC_LALR([%push-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 %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([%push-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 {semantic_value *result} %parse-param {int *count}])
# 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([%error-verbose %name-prefix="calc" %verbose %yacc])
-# AT_CHECK_CALC_LALR1_CC()
+AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix="calc" %verbose %yacc])
-AT_CHECK_CALC_LALR1_CC([%defines %locations])
+AT_CHECK_CALC_LALR1_CC([%pure-parser %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 %parse-param {semantic_value *result} %parse-param {int *count}])
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %locations])
-# 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.]])
+
+# 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_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 {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