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* data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.

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All uses changed.  Invoke user destructor after an error during a
split parse (trivial change from Joel E. Denny).

* tests/glr-regression.at
(User destructor after an error during a split parse):  New test case.
Problem reported by Joel E. Denny in:
http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
This commit is contained in:
Paul Eggert
2005-08-26 20:16:16 +00:00
parent 5b4aaf787b
commit 42a6501d1a
3 changed files with 104 additions and 18 deletions
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80
tests/glr-regression.at
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@@ -406,7 +406,7 @@ merge (YYSTYPE s1, YYSTYPE s2)
static void
yyerror (char const *msg)
{
printf ("%s\n", msg);
fprintf (stderr, "%s\n", msg);
}
]])
@@ -422,11 +422,11 @@ AT_CHECK([[./glr-regr4]], 0,
AT_CLEANUP
## ---------------------------------------------------------------------- ##
## User destructor for unresolved GLR semantic value ##
## Thanks to Joel E. Denny for this test; see ##
## <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>. ##
## ---------------------------------------------------------------------- ##
## ------------------------------------------------------------------------- ##
## User destructor for unresolved GLR semantic value ##
## Thanks to Joel E. Denny for this test; see ##
## <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html>. ##
## ------------------------------------------------------------------------- ##
AT_SETUP([User destructor for unresolved GLR semantic value])
@@ -470,7 +470,7 @@ yylex (void)
static void
yyerror (char const *msg)
{
printf ("%s\n", msg);
fprintf (stderr, "%s\n", msg);
}
int
@@ -485,7 +485,71 @@ AT_CHECK([[bison -o glr-regr5.c glr-regr5.y]], 0, [],
])
AT_COMPILE([glr-regr5])
AT_CHECK([[./glr-regr5]], 0,
AT_CHECK([[./glr-regr5]], 0, [],
[syntax is ambiguous
])
AT_CLEANUP
## ------------------------------------------------------------------------- ##
## User destructor after an error during a split parse ##
## Thanks to Joel E. Denny for this test; see ##
## <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html>. ##
## ------------------------------------------------------------------------- ##
AT_SETUP([User destructor after an error during a split parse])
AT_DATA_GRAMMAR([glr-regr6.y],
[[%{
#include <stdio.h>
#include <stdlib.h>
static void yyerror (char const *);
static int yylex (void);
%}
%glr-parser
%union { int value; }
%type <value> 'a'
%destructor {
printf ("Destructor called.\n");
} 'a'
%%
start: 'a' | 'a' ;
%%
static int
yylex (void)
{
static char const *input = "a";
return *input++;
}
static void
yyerror (char const *msg)
{
fprintf (stderr, "%s\n", msg);
}
int
main (void)
{
return yyparse () != 1;
}
]])
AT_CHECK([[bison -o glr-regr6.c glr-regr6.y]], 0, [],
[glr-regr6.y: conflicts: 1 reduce/reduce
])
AT_COMPILE([glr-regr6])
AT_CHECK([[./glr-regr6]], 0,
[Destructor called.
],
[syntax is ambiguous
])