# Checking GLR Parsing. -*- Autotest -*-
-# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005 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
# 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.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
AT_BANNER([[C++ Type Syntax (GLR).]])
%{
#include <stdio.h>
- #define YYSTYPE const char*
+ #define YYSTYPE char *
]m4_bmatch([$2], [stmtMerge],
[ static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1);])[
#define YYINITDEPTH 10
- static char* format (const char*, ...);
-
+ #define YYSTACKEXPANDABLE 1
+ static char *format (char const *, ...);
+ struct YYLTYPE;
+#if YYPURE
+# if YYLSP_NEEDED
+# define LEX_PARAMETERS YYSTYPE *lvalp, struct YYLTYPE *llocp
+# define ERROR_PARAMETERS struct YYLTYPE *llocp, char const *s
+# else
+# define LEX_PARAMETERS YYSTYPE *lvalp
+# endif
+#endif
+#ifndef LEX_PARAMETERS
+# define LEX_PARAMETERS void
+#endif
+#ifndef ERROR_PARAMETERS
+# define ERROR_PARAMETERS char const *s
+#endif
+ int yylex (LEX_PARAMETERS);
+ void yyerror (ERROR_PARAMETERS);
%}
%token TYPENAME ID
%glr-parser
+%destructor { free ($$); } TYPENAME ID
+
%%
prog :
- | prog stmt {
+ | prog stmt {
]AT_LOCATION_IF([
- printf ("%d.%d-%d.%d: ",
+ printf ("%d.%d-%d.%d: ",
@2.first_line, @2.first_column,
@2.last_line, @2.last_column);])[
printf ("%s\n", ]$[2);
stmt : expr ';' $2 { $$ = ]$[1; }
| decl $3
- | error ';' { $$ = "<error>"; }
- | '@' { YYACCEPT; }
+ | error ';' { static char error_msg[] = "<error>"; $$ = error_msg; }
+ | '@' { YYACCEPT; }
;
expr : ID
#include <stdarg.h>
int
-main (int argc, char** argv)
+main (int argc, char **argv)
{
if (argc != 2)
abort ();
if (!freopen (argv[1], "r", stdin))
- abort ();
- exit (yyparse ());
+ return 3;
+ return yyparse ();
}
int
-#if YYPURE && YYLSP_NEEDED
- yylex (YYSTYPE *lvalp, YYLTYPE *llocp)
-#elif YYPURE
- yylex (YYSTYPE *lvalp)
-#else
- yylex ()
-#endif
+yylex (LEX_PARAMETERS)
{
char buffer[256];
int c;
unsigned int i;
static int lineNum = 1;
- static int colNum = 1;
-
+ static int colNum = 0;
#if YYPURE
# define yylloc (*llocp)
case EOF:
return 0;
case '\t':
- colNum = 1 + ((colNum + 7) & ~7);
+ colNum = (colNum + 7) & ~7;
break;
case ' ': case '\f':
colNum += 1;
- break;
- case '\n':
+ break;
+ case '\n':
lineNum += 1;
- colNum = 1;
+ colNum = 0;
break;
default:
{
int tok;
#if YYLSP_NEEDED
- yylloc.first_line = yylloc.last_line = lineNum;
+ yylloc.first_line = yylloc.last_line = lineNum;
yylloc.first_column = colNum;
#endif
if (isalpha (c))
ungetc (c, stdin);
buffer[i++] = 0;
tok = isupper ((unsigned char) buffer[0]) ? TYPENAME : ID;
- yylval = strcpy (malloc (i), buffer);
+ yylval = strcpy ((char *) malloc (i), buffer);
}
- else
+ else
{
+ static char empty_string[] = "";
colNum += 1;
tok = c;
- yylval = "";
+ yylval = empty_string;
}
#if YYLSP_NEEDED
yylloc.last_column = colNum-1;
}
}
-int
-yyerror (
+void
+yyerror (ERROR_PARAMETERS)
+{
#if YYPURE && YYLSP_NEEDED
- YYLTYPE *llocp,
+ /* Pacify GCC by using llocp. */
+ if (! llocp)
+ abort ();
#endif
- const char *s
- )
-{
fprintf (stderr, "%s\n", s);
- return 0;
}
-static char* format (const char* form, ...)
+static char *
+format (char const *form, ...)
{
char buffer[1024];
va_list args;
va_start (args, form);
vsprintf (buffer, form, args);
va_end (args);
- return strcpy (malloc (strlen (buffer) + 1), buffer);
+ return strcpy ((char *) malloc (strlen (buffer) + 1), buffer);
}
]]
]])
m4_define([_AT_RESOLVED_GLR_OUTPUT_WITH_LOC],
-[[3.1-3.6: +(z,q)
-5.1-5.4: <declare>(T,x)
-7.1-7.8: <init-declare>(T,x,y)
-9.1-9.6: =(x,y)
-11.1-11.10: +(<cast>(x,T),y)
-13.1-13.6: <declare>(T,x)
-15.1-15.14: <init-declare>(T,y,+(z,q))
-17.6-17.16: <error>
-19.1-19.6: +(z,q)
+[[3.0-3.5: +(z,q)
+5.0-5.3: <declare>(T,x)
+7.0-7.7: <init-declare>(T,x,y)
+9.0-9.5: =(x,y)
+11.0-11.9: +(<cast>(x,T),y)
+13.0-13.5: <declare>(T,x)
+15.0-15.13: <init-declare>(T,y,+(z,q))
+17.0-17.15: <error>
+19.0-19.5: +(z,q)
]])
m4_define([_AT_AMBIG_GLR_OUTPUT],
]])
m4_define([_AT_AMBIG_GLR_OUTPUT_WITH_LOC],
-[[3.1-3.6: +(z,q)
-5.1-5.4: <declare>(T,x)
-7.1-7.8: <init-declare>(T,x,y)
-9.1-9.6: =(x,y)
-11.1-11.10: +(<cast>(x,T),y)
-13.1-13.6: <OR>(<declare>(T,x),<cast>(x,T))
-15.1-15.14: <OR>(<init-declare>(T,y,+(z,q)),=(<cast>(y,T),+(z,q)))
-17.6-17.16: <error>
-19.1-19.6: +(z,q)
+[[3.0-3.5: +(z,q)
+5.0-5.3: <declare>(T,x)
+7.0-7.7: <init-declare>(T,x,y)
+9.0-9.5: =(x,y)
+11.0-11.9: +(<cast>(x,T),y)
+13.0-13.5: <OR>(<declare>(T,x),<cast>(x,T))
+15.0-15.13: <OR>(<init-declare>(T,y,+(z,q)),=(<cast>(y,T),+(z,q)))
+17.0-17.15: <error>
+19.0-19.5: +(z,q)
]])
m4_define([_AT_GLR_STDERR],
AT_SETUP([GLR: Resolve ambiguity, impure, no locations])
_AT_TEST_GLR_CXXTYPES([],
[%dprec 1], [%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, impure, locations])
_AT_TEST_GLR_CXXTYPES([%locations],[%dprec 1],[%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, pure, no locations])
_AT_TEST_GLR_CXXTYPES([%pure-parser],
[%dprec 1], [%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, pure, locations])
_AT_TEST_GLR_CXXTYPES([%pure-parser %locations],
[%dprec 1], [%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, impure, no locations])
_AT_TEST_GLR_CXXTYPES([],
[%merge <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, impure, locations])
_AT_TEST_GLR_CXXTYPES([%locations],
[%merge <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, no locations])
_AT_TEST_GLR_CXXTYPES([%pure-parser],
[%merge <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, locations])
_AT_TEST_GLR_CXXTYPES([%pure-parser %locations],
[%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Verbose messages, resolve ambiguity, impure, no locations])
_AT_TEST_GLR_CXXTYPES([%error-verbose],
[%merge <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+AT_PARSER_CHECK([[./types test-input]], 0,
_AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR)
AT_CLEANUP