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191 lines
3.4 KiB
Plaintext
191 lines
3.4 KiB
Plaintext
# Checking the output filenames. -*- Autotest -*-
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# Copyright (C) 2002 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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AT_BANNER([[Input Processing.]])
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# Mostly test that we are robust to mistakes.
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## ------------ ##
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## Invalid $n. ##
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## ------------ ##
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AT_SETUP([Invalid $n])
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AT_DATA([input.y],
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[[%%
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exp: { $$ = $1 ; };
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]])
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AT_CHECK([bison input.y], [1], [],
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[[input.y:2.6-14: invalid value: $1
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]])
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AT_CLEANUP
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## ------------ ##
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## Invalid @n. ##
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## ------------ ##
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AT_SETUP([Invalid @n])
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AT_DATA([input.y],
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[[%%
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exp: { @$ = @1 ; };
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]])
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AT_CHECK([bison input.y], [1], [],
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[[input.y:2.6-14: invalid value: @1
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]])
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AT_CLEANUP
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## -------------- ##
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## Type Clashes. ##
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## -------------- ##
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AT_SETUP([Type Clashes])
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AT_DATA([input.y],
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[[%token foo
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%type <bar> exp
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%%
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exp: foo {} foo
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| foo
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| /* Empty. */
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;
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]])
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AT_CHECK([bison input.y], [1], [],
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[[input.y:4.4-15: type clash (`bar' `') on default action
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input.y:5.4-8: type clash (`bar' `') on default action
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input.y:6.4: empty rule for typed nonterminal, and no action
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]])
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AT_CLEANUP
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## ----------------------- ##
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## Torturing the Scanner. ##
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## ----------------------- ##
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# Be sure to compile and run, so that the C compiler checks what
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# we do.
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AT_SETUP([Torturing the Scanner])
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AT_DATA([input.y],
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[[%{
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/* This is seen in GCC: a %{ and %} in middle of a comment. */
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const char *foo = "So %{ and %} can be here too.";
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#include <stdio.h>
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%}
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/* %{ and %} can be here too. */
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%{
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/* Exercise pre-prologue dependency to %union. */
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typedef int value_t;
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%}
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/* Exercise M4 quoting: '@:>@@:>@', 0. */
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/* Also exercise %union. */
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%union
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{
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value_t ival; /* A comment to exercise an old bug. */
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};
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/* Exercise post-prologue dependency to %union. */
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%{
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static YYSTYPE value_t_as_yystype (value_t val);
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/* Exercise quotes in declarations. */
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char quote[] = "@:>@@:>@,";
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%}
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%{
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static void yyerror (const char *s);
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static int yylex (void);
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%}
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%type <ival> '1'
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/* Exercise quotes in strings. */
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%token FAKE "fake @<:@@:>@,"
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%%
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/* Exercise M4 quoting: '@:>@@:>@', 1. */
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exp: '1'
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{
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/* Exercise quotes in braces. */
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char tmp[] = "@<:@%c@:>@,\n";
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printf (tmp, $1);
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}
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;
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%%
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/* Exercise M4 quoting: '@:>@@:>@', 2. */
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static YYSTYPE
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value_t_as_yystype (value_t val)
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{
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YYSTYPE res;
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res.ival = val;
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return res;
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}
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static int
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yylex (void)
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{
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static const char *input = "1";
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yylval = value_t_as_yystype (*input);
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return *input++;
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}
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static void
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yyerror (const char *msg)
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{
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fprintf (stderr, "%s\n", msg);
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}
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]])
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AT_DATA([main.c],
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[[typedef int value_t;
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#include "input.h"
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int yyparse (void);
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int
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main (void)
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{
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return yyparse ();
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}
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]])
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AT_CHECK([bison -d -v -o input.c input.y])
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AT_COMPILE([input], [input.c main.c])
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AT_PARSER_CHECK([./input], 0,
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[[[1],
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]])
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AT_CLEANUP
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