# Checking GLR Parsing. -*- Autotest -*-
-# Copyright (C) 2002-2011 Free Software Foundation, Inc.
+# Copyright (C) 2002-2012 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
# and with RESOLVE1 and RESOLVE2 as annotations on the conflicted rule for
# stmt. Then compile the result.
m4_define([_AT_TEST_GLR_CXXTYPES],
-[
-AT_BISON_OPTION_PUSHDEFS([$1])
+[AT_BISON_OPTION_PUSHDEFS([%glr-parser $1])
AT_DATA_GRAMMAR([types.y],
[[/* Simplified C++ Type and Expression Grammar. */
$1
-%{
+%code requires
+{
#include <stdio.h>
union Node {
struct {
} term;
};
typedef union Node Node;
+ #define YYSTYPE Node *
+}
+
+%code
+{
static Node *new_nterm (char const *, Node *, Node *, Node *);
static Node *new_term (char *);
static void free_node (Node *);
static char *node_to_string (Node *);
- #define YYSTYPE Node *
]m4_bmatch([$2], [stmtMerge],
[ static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1);])[
#define YYINITDEPTH 10
#define YYSTACKEXPANDABLE 1
- 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);
-%}
+ ]AT_YYERROR_DECLARE[
+ ]AT_YYLEX_DECLARE[
+}
%token TYPENAME ID
stmt : expr ';' $2 { $$ = ]$[1; }
| decl $3
- | error ';' { $$ = new_nterm ("<error>", 0, 0, 0); }
+ | error ';' { $$ = new_nterm ("<error>", YY_NULL, YY_NULL, YY_NULL); }
| '@' { YYACCEPT; }
;
expr : ID
| TYPENAME '(' expr ')'
- { $$ = new_nterm ("<cast>(%s,%s)", ]$[3, ]$[1, 0); }
- | expr '+' expr { $$ = new_nterm ("+(%s,%s)", ]$[1, ]$[3, 0); }
- | expr '=' expr { $$ = new_nterm ("=(%s,%s)", ]$[1, ]$[3, 0); }
+ { $$ = new_nterm ("<cast>(%s,%s)", ]$[3, ]$[1, YY_NULL); }
+ | expr '+' expr { $$ = new_nterm ("+(%s,%s)", ]$[1, ]$[3, YY_NULL); }
+ | expr '=' expr { $$ = new_nterm ("=(%s,%s)", ]$[1, ]$[3, YY_NULL); }
;
decl : TYPENAME declarator ';'
- { $$ = new_nterm ("<declare>(%s,%s)", ]$[1, ]$[2, 0); }
+ { $$ = new_nterm ("<declare>(%s,%s)", ]$[1, ]$[2, YY_NULL); }
| TYPENAME declarator '=' expr ';'
{ $$ = new_nterm ("<init-declare>(%s,%s,%s)", ]$[1,
]$[2, ]$[4); }
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
+#include <assert.h>
int
main (int argc, char **argv)
{
- if (argc != 2)
- abort ();
+ assert (argc == 2);
if (!freopen (argv[1], "r", stdin))
return 3;
return yyparse ();
}
-int
-yylex (LEX_PARAMETERS)
+]AT_YYERROR_DEFINE[
+
+]AT_YYLEX_PROTOTYPE[
{
char buffer[256];
int c;
while (1)
{
- if (feof (stdin))
- abort ();
+ assert (!feof (stdin));
c = getchar ();
switch (c)
{
break;
default:
{
- int tok;
-#if YYLSP_NEEDED
+ int tok;]AT_LOCATION_IF([[
yylloc.first_line = yylloc.last_line = lineNum;
- yylloc.first_column = colNum;
-#endif
+ yylloc.first_column = colNum;]])[
if (isalpha (c))
{
i = 0;
{
buffer[i++] = c;
colNum += 1;
- if (i == sizeof buffer - 1)
- abort ();
+ assert (i != sizeof buffer - 1);
c = getchar ();
}
while (isalnum (c) || c == '_');
{
colNum += 1;
tok = c;
- yylval = 0;
- }
-#if YYLSP_NEEDED
- yylloc.last_column = colNum-1;
-#endif
+ yylval = YY_NULL;
+ }]AT_LOCATION_IF([[
+ yylloc.last_column = colNum-1;]])[
return tok;
}
}
}
}
-void
-yyerror (ERROR_PARAMETERS)
-{
-#if YYPURE && YYLSP_NEEDED
- /* Pacify GCC by using llocp. */
- if (! llocp)
- abort ();
-#endif
- fprintf (stderr, "%s\n", s);
-}
-
static Node *
new_nterm (char const *form, Node *child0, Node *child1, Node *child2)
{
[[static YYSTYPE
stmtMerge (YYSTYPE x0, YYSTYPE x1)
{
- return new_nterm ("<OR>(%s,%s)", x0, x1, 0);
+ return new_nterm ("<OR>(%s,%s)", x0, x1, YY_NULL);
}
]])
)
])
m4_define([_AT_RESOLVED_GLR_OUTPUT],
-[[[+(z,q)
+[[+(z,q)
<declare>(T,x)
<init-declare>(T,x,y)
=(x,y)
<init-declare>(T,y,+(z,q))
<error>
+(z,q)
-]]])
+]])
m4_define([_AT_RESOLVED_GLR_OUTPUT_WITH_LOC],
-[[[3.0-3.5: +(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)
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],
-[[[+(z,q)
+[[+(z,q)
<declare>(T,x)
<init-declare>(T,x,y)
=(x,y)
<OR>(<init-declare>(T,y,+(z,q)),=(<cast>(y,T),+(z,q)))
<error>
+(z,q)
-]]])
+]])
m4_define([_AT_AMBIG_GLR_OUTPUT_WITH_LOC],
-[[[3.0-3.5: +(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)
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],
-[[[syntax error
-]]])
+[[syntax error
+]])
+
+m4_define([_AT_GLR_STDERR_WITH_LOC],
+[[17.5: syntax error
+]])
m4_define([_AT_VERBOSE_GLR_STDERR],
-[[[syntax error, unexpected ID, expecting '=' or '+' or ')'
-]]])
+[[syntax error, unexpected ID, expecting '=' or '+' or ')'
+]])
+
+m4_define([_AT_VERBOSE_GLR_STDERR_WITH_LOC],
+[[17.5: syntax error, unexpected ID, expecting '=' or '+' or ')'
+]])
## ---------------------------------------------------- ##
## Compile the grammar described in the documentation. ##
_AT_TEST_GLR_CXXTYPES([],
[%dprec 1], [%dprec 2])
AT_PARSER_CHECK([[./types test-input]], 0,
- _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
+ [_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]], 0,
- _AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
+ [_AT_RESOLVED_GLR_OUTPUT_WITH_LOC], [_AT_GLR_STDERR_WITH_LOC])
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, pure, no locations])
_AT_TEST_GLR_CXXTYPES([%define api.pure],
[%dprec 1], [%dprec 2])
AT_PARSER_CHECK([[./types test-input]], 0,
- _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR)
+ [_AT_RESOLVED_GLR_OUTPUT], [_AT_GLR_STDERR])
AT_CLEANUP
AT_SETUP([GLR: Resolve ambiguity, pure, locations])
_AT_TEST_GLR_CXXTYPES([%define api.pure %locations],
[%dprec 1], [%dprec 2])
AT_PARSER_CHECK([[./types test-input]], 0,
- _AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
+ [_AT_RESOLVED_GLR_OUTPUT_WITH_LOC], [_AT_GLR_STDERR_WITH_LOC])
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]], 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_CXXTYPES([%locations],
[%merge <stmtMerge>], [%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input]], 0,
- _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
+ [_AT_AMBIG_GLR_OUTPUT_WITH_LOC], [_AT_GLR_STDERR_WITH_LOC])
AT_CLEANUP
AT_SETUP([GLR: Merge conflicting parses, pure, no locations])
_AT_TEST_GLR_CXXTYPES([%define api.pure],
[%merge <stmtMerge>], [%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input]], 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_CXXTYPES([%define api.pure %locations],
[%merge <stmtMerge>],[%merge <stmtMerge>])
AT_PARSER_CHECK([[./types test-input]], 0,
- _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
+ [_AT_AMBIG_GLR_OUTPUT_WITH_LOC], [_AT_GLR_STDERR_WITH_LOC])
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]], 0,
- _AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR)
+ [_AT_AMBIG_GLR_OUTPUT], [_AT_VERBOSE_GLR_STDERR])
AT_CLEANUP
projects / bison.git / blobdiff