# Checking GLR Parsing. -*- Autotest -*-
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003 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
AT_BANNER([[C++ Type Syntax (GLR).]])
-# _AT_TEST_GLR_CALC(DECL, RESOLVE1, RESOLVE2)
-# -------------------------------------------
+# _AT_TEST_GLR_CXXTYPES(DECL, RESOLVE1, RESOLVE2)
+# -----------------------------------------------
# Store into types.y the calc program, with DECL inserted as a declaration,
# and with RESOLVE1 and RESOLVE2 as annotations on the conflicted rule for
# stmt. Then compile the result.
-m4_define([_AT_TEST_GLR_CALC],
-[AT_DATA([types.y],
+m4_define([_AT_TEST_GLR_CXXTYPES],
+[AT_DATA_GRAMMAR([types.y],
[[/* Simplified C++ Type and Expression Grammar. */
$1
]m4_bmatch([$2], [stmtMerge],
[ static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1);])[
#define YYINITDEPTH 10
- int yyerror (const char *s);
+ int yyerror (
+#if YYPURE && YYLSP_NEEDED
+ YYLTYPE *yylocation,
+#endif
+ const char *s
+ );
#if YYPURE
]m4_bmatch([$1], [location],
| '@' { YYACCEPT; }
;
-expr : ID { printf ("%s ", $$); }
+expr : ID { printf ("%s ", ]$[1); }
| TYPENAME '(' expr ')'
{ printf ("%s <cast> ", ]$[1); }
| expr '+' expr { printf ("+ "); }
%%
-#include <assert.h>
#include <ctype.h>
+#include <stdlib.h>
#include <string.h>
int
main (int argc, char** argv)
{
- assert (argc = 2);
- assert (freopen (argv[1], "r", stdin));
+ if (argc != 2)
+ abort ();
+ if (!freopen (argv[1], "r", stdin))
+ abort ();
exit (yyparse ());
}
{
char buffer[256];
int c;
+ unsigned int i;
#if YYPURE
# define yylval (*lvalp)
]m4_bmatch([$1], [location],[ (void) llocp;])[
#endif
- while (1) {
- c = getchar ();
- switch (c) {
- case EOF:
- return 0;
- case ' ': case '\t': case '\n': case '\f':
- break;
- default:
- if (isalpha (c)) {
- ungetc (c, stdin);
- scanf ("%[A-Za-z0-9_]", buffer);
- yylval = strdup (buffer);
- return isupper ((unsigned char) buffer[0]) ? TYPENAME : ID;
- }
- return c;
+ while (1)
+ {
+ c = getchar ();
+ switch (c)
+ {
+ case EOF:
+ return 0;
+ case ' ': case '\t': case '\n': case '\f':
+ break;
+ default:
+ if (isalpha (c))
+ {
+ i = 0;
+
+ do
+ {
+ buffer[i++] = c;
+ if (i == sizeof buffer - 1)
+ abort ();
+ c = getchar ();
+ }
+ while (isalnum (c) || c == '_');
+
+ ungetc (c, stdin);
+ buffer[i++] = 0;
+ yylval = strcpy (malloc (i), buffer);
+ return isupper ((unsigned char) buffer[0]) ? TYPENAME : ID;
+ }
+ return c;
+ }
}
- }
}
int
-yyerror (const char *s)
+yyerror (
+#if YYPURE && YYLSP_NEEDED
+ YYLTYPE *yylocation,
+#endif
+ const char *s
+ )
{
+#if YYPURE && YYLSP_NEEDED
+ (void) *yylocation;
+#endif
fprintf (stderr, "%s\n", s);
return 0;
}
This is total garbage, but it should be ignored.
]])
-AT_CHECK([bison types.y -o types.c], 0, [], ignore)
+AT_CHECK([bison -o types.c types.y], 0, [], ignore)
AT_COMPILE([types])
])
]])
m4_define([_AT_GLR_STDERR],
-[[parse error
+[[syntax error
]])
m4_define([_AT_VERBOSE_GLR_STDERR],
-[[parse error, unexpected ID, expecting '=' or '+' or ')'
+[[syntax error, unexpected ID, expecting '=' or '+' or ')'
]])
## ---------------------------------------------------- ##
## ---------------------------------------------------- ##
AT_SETUP([GLR: Resolve ambiguity, impure, no locations])
-_AT_TEST_GLR_CALC([],[%dprec 1],[%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_RESOLVED_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_AT_TEST_GLR_CXXTYPES([],
+ [%dprec 1], [%dprec 2])
+AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+ _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, impure, locations])
-_AT_TEST_GLR_CALC([%locations],[%dprec 1],[%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_RESOLVED_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_AT_TEST_GLR_CXXTYPES([%locations],[%dprec 1],[%dprec 2])
+AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+ _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, pure, no locations])
-_AT_TEST_GLR_CALC([%pure-parser],[%dprec 1],[%dprec 2])
-AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_RESOLVED_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_AT_TEST_GLR_CXXTYPES([%pure-parser],
+ [%dprec 1], [%dprec 2])
+AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
+ _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, pure, locations])
-_AT_TEST_GLR_CALC([%pure-parser
-%locations],[%dprec 1],[%dprec 2])
+_AT_TEST_GLR_CXXTYPES([%pure-parser %locations],
+ [%dprec 1], [%dprec 2])
AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_RESOLVED_GLR_OUTPUT,
- _AT_GLR_STDERR)
+ _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, impure, no locations])
-_AT_TEST_GLR_CALC([],[%merge <stmtMerge>],[%merge <stmtMerge>])
+_AT_TEST_GLR_CXXTYPES([],
+ [%merge <stmtMerge>], [%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+ _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, impure, locations])
-_AT_TEST_GLR_CALC([%locations],[%merge <stmtMerge>],[%merge <stmtMerge>])
+_AT_TEST_GLR_CXXTYPES([%locations],
+ [%merge <stmtMerge>], [%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+ _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, no locations])
-_AT_TEST_GLR_CALC([%pure-parser],[%merge <stmtMerge>],[%merge <stmtMerge>])
+_AT_TEST_GLR_CXXTYPES([%pure-parser],
+ [%merge <stmtMerge>], [%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+ _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, locations])
-_AT_TEST_GLR_CALC([%pure-parser
-%locations],[%merge <stmtMerge>],[%merge <stmtMerge>])
+_AT_TEST_GLR_CXXTYPES([%pure-parser %locations],
+ [%merge <stmtMerge>],[%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+ _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
AT_CLEANUP
AT_SETUP([GLR: Verbose messages, resolve ambiguity, impure, no locations])
-_AT_TEST_GLR_CALC([%error-verbose],
-[%merge <stmtMerge>],[%merge <stmtMerge>])
+_AT_TEST_GLR_CXXTYPES([%error-verbose],
+ [%merge <stmtMerge>], [%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_AMBIG_GLR_OUTPUT,
- _AT_VERBOSE_GLR_STDERR)
+ _AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR)
AT_CLEANUP