-# Checking the output filenames. -*- Autotest -*-
-# Copyright 2000, 2001 Free Software Foundation, Inc.
+# Checking GLR Parsing. -*- Autotest -*-
+# 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(`$1',DECL, RESOLVE1, RESOLVE2)
-# (first argument is a literal $1; it's a trick).
+# _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],
-[[/* Simplified C++ Type and Expression Grammar */
+m4_define([_AT_TEST_GLR_CXXTYPES],
+[AT_DATA_GRAMMAR([types.y],
+[[/* Simplified C++ Type and Expression Grammar. */
-$2
+$1
%{
#include <stdio.h>
#define YYSTYPE const char*
- static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1);
+ #define YYLTYPE int
+]m4_bmatch([$2], [stmtMerge],
+[ static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1);])[
#define YYINITDEPTH 10
+ int yyerror (
+#if YYPURE && YYLSP_NEEDED
+ YYLTYPE *yylocation,
+#endif
+ const char *s
+ );
+
+ #if YYPURE
+]m4_bmatch([$1], [location],
+[ int yylex (YYSTYPE *lvalp, YYLTYPE *llocp);],
+[ int yylex (YYSTYPE *lvalp);])[
+ #else
+ int yylex (void);
+ #endif
+
%}
%token TYPENAME ID
%%
-prog :
+prog :
| prog stmt { printf ("\n"); }
;
-stmt : expr ';' $3
- | decl $4
+stmt : expr ';' $2
+ | decl $3
| error ';'
| '@' { YYACCEPT; }
;
-expr : ID { printf ("%s ", $$); }
- | TYPENAME '(' expr ')'
- { printf ("%s <cast> ", $1); }
+expr : ID { printf ("%s ", ]$[1); }
+ | TYPENAME '(' expr ')'
+ { printf ("%s <cast> ", ]$[1); }
| expr '+' expr { printf ("+ "); }
| expr '=' expr { printf ("= "); }
;
-decl : TYPENAME declarator ';'
- { printf ("%s <declare> ", $1); }
+decl : TYPENAME declarator ';'
+ { printf ("%s <declare> ", ]$[1); }
| TYPENAME declarator '=' expr ';'
- { printf ("%s <init-declare> ", $1); }
+ { printf ("%s <init-declare> ", ]$[1); }
;
-declarator : ID { printf ("\"%s\" ", $1); }
+declarator : ID { printf ("\"%s\" ", ]$[1); }
| '(' declarator ')'
;
%%
#include <ctype.h>
-#include <strings.h>
+#include <stdlib.h>
+#include <string.h>
-main (int argc, char** argv)
+int
+main (int argc, char** argv)
{
- freopen (argv[1], "r", stdin);
+ if (argc != 2)
+ abort ();
+ if (!freopen (argv[1], "r", stdin))
+ abort ();
exit (yyparse ());
}
#if YYPURE
-int yylex (YYSTYPE *lvalp)
-#define yylval (*lvalp)
+int
+]m4_bmatch([$1], [location],
+[yylex (YYSTYPE *lvalp, YYLTYPE *llocp)],
+[yylex (YYSTYPE *lvalp)])[
#else
-int yylex ()
+int
+yylex ()
#endif
{
char buffer[256];
int c;
- 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 (buffer[0]) ? TYPENAME : ID;
- }
- return 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))
+ {
+ 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;
}
-static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1)
+]]
+m4_bmatch([$2], [stmtMerge],
+[[static YYSTYPE
+stmtMerge (YYSTYPE x0, YYSTYPE x1)
{
+ /* Use the arguments. */
+ (void) x0;
+ (void) x1;
printf ("<OR> ");
return "";
}
]])
+)
AT_DATA([test-input],
[[
This is total garbage, but it should be ignored.
]])
-AT_CHECK([bison types.y], 0, [], ignore)
-AT_CHECK([gcc -o types types.tab.c], 0, [], ignore)
+AT_CHECK([bison -o types.c types.y], 0, [], ignore)
+AT_COMPILE([types])
])
m4_define([_AT_RESOLVED_GLR_OUTPUT],
]])
m4_define([_AT_AMBIG_GLR_OUTPUT],
-[[z q +
-"x" T <declare>
-"x" y T <init-declare>
-x y =
-x T <cast> y +
-"x" T <declare> x T <cast> <OR>
-"y" z q + T <init-declare> y T <cast> z q + = <OR>
+[[z q +
+"x" T <declare>
+"x" y T <init-declare>
+x y =
+x T <cast> y +
+"x" T <declare> x T <cast> <OR>
+"y" z q + T <init-declare> y T <cast> z q + = <OR>
y
z q +
]])
-m4_define([_AT_GLR_STDERR],
-[[parse error
+m4_define([_AT_GLR_STDERR],
+[[syntax error
]])
-m4_define([_AT_VERBOSE_GLR_STDERR],
-[[parse error, unexpected ID, expecting '=' or '+' or ')'
+m4_define([_AT_VERBOSE_GLR_STDERR],
+[[syntax error, unexpected ID, expecting '=' or '+' or ')'
]])
## ---------------------------------------------------- ##
## ---------------------------------------------------- ##
AT_SETUP([GLR: Resolve ambiguity, impure, no locations])
-_AT_TEST_GLR_CALC([$1],[],[%dprec 1],[%dprec 2])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 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([$1],[%locations],[%dprec 1],[%dprec 2])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 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([$1],[%pure-parser],[%dprec 1],[%dprec 2])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 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([$1],[%pure-parser
-%locations],[%dprec 1],[%dprec 2])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_RESOLVED_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_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_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, impure, no locations])
-_AT_TEST_GLR_CALC([$1],[],[%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_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_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, impure, locations])
-_AT_TEST_GLR_CALC([$1],[%locations],[%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_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_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, no locations])
-_AT_TEST_GLR_CALC([$1],[%pure-parser],[%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_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_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, locations])
-_AT_TEST_GLR_CALC([$1],[%pure-parser
-%locations],[%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 0, _AT_AMBIG_GLR_OUTPUT,
- _AT_GLR_STDERR)
+_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_CLEANUP
AT_SETUP([GLR: Verbose messages, resolve ambiguity, impure, no locations])
-_AT_TEST_GLR_CALC([$1],[%error-verbose],
-[%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_CHECK([[./types test-input | sed 's/ *$//']], 0,
- _AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR)
+_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_CLEANUP
projects / bison.git / blobdiff