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* data/glr.c (yyreportTree): Make room in yystates for the state

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preceding the RHS.  This fixes the segmentation fault reported by Derek
M. Jones in
<http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
(yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
to the user.  Reported for yyreportTree by Derek M. Jones later in the
same thread.
* THANKS: Add Derek M. Jones.
Update my email address.
Fix typo in Steve Murphy's name.
This commit is contained in:
Joel E. Denny
2006-05-17 16:39:40 +00:00
parent d664514801
commit 9138c575d8
3 changed files with 20 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
ChangeLog
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@@ -1,3 +1,16 @@
2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
* data/glr.c (yyreportTree): Make room in yystates for the state
preceding the RHS. This fixes the segmentation fault reported by Derek
M. Jones in
<http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
(yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
to the user. Reported for yyreportTree by Derek M. Jones later in the
same thread.
* THANKS: Add Derek M. Jones.
Update my email address.
Fix typo in Steve Murphy's name.
2006-05-14 Paul Eggert <eggert@cs.ucla.edu> 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
* data/glr.c (yyreportSyntaxError): Fix off-by-one error in * data/glr.c (yyreportSyntaxError): Fix off-by-one error in

5
THANKS
View File

@@ -21,6 +21,7 @@ Cris Bailiff c.bailiff+bison@awayweb.com
Cris van Pelt cris@amf03054.office.wxs.nl Cris van Pelt cris@amf03054.office.wxs.nl
Daniel Hagerty hag@gnu.org Daniel Hagerty hag@gnu.org
David J. MacKenzie djm@gnu.org David J. MacKenzie djm@gnu.org
Derek M. Jones derek@knosof.co.uk
Dick Streefland dick.streefland@altium.nl Dick Streefland dick.streefland@altium.nl
Enrico Scholz enrico.scholz@informatik.tu-chemnitz.de Enrico Scholz enrico.scholz@informatik.tu-chemnitz.de
Evgeny Stambulchik fnevgeny@plasma-gate.weizmann.ac.il Evgeny Stambulchik fnevgeny@plasma-gate.weizmann.ac.il
@@ -34,7 +35,7 @@ Jan Nieuwenhuizen janneke@gnu.org
Jesse Thilo jthilo@gnu.org Jesse Thilo jthilo@gnu.org
Jim Kent jkent@arch.sel.sony.com Jim Kent jkent@arch.sel.sony.com
Jim Meyering jim@meyering.net Jim Meyering jim@meyering.net
Joel E. Denny jdenny@hubcap.clemson.edu Joel E. Denny jdenny@ces.clemson.edu
Juan Manuel Guerrero ST001906@HRZ1.HRZ.TU-Darmstadt.De Juan Manuel Guerrero ST001906@HRZ1.HRZ.TU-Darmstadt.De
Kees Zeelenberg kzlg@users.sourceforge.net Kees Zeelenberg kzlg@users.sourceforge.net
Keith Browne kbrowne@legato.com Keith Browne kbrowne@legato.com
@@ -67,7 +68,7 @@ Raja R Harinath harinath@cs.umn.edu
Richard Stallman rms@gnu.org Richard Stallman rms@gnu.org
Robert Anisko anisko_r@epita.fr Robert Anisko anisko_r@epita.fr
Shura debil_urod@ngs.ru Shura debil_urod@ngs.ru
Steve Murhpy murf@parsetree.com Steve Murphy murf@parsetree.com
Tim Josling tej@melbpc.org.au Tim Josling tej@melbpc.org.au
Tim Van Holder tim.van.holder@pandora.be Tim Van Holder tim.van.holder@pandora.be
Tom Lane tgl@sss.pgh.pa.us Tom Lane tgl@sss.pgh.pa.us

8
data/glr.c
View File

@@ -1741,7 +1741,7 @@ yyreportTree (yySemanticOption* yyx, int yyindent)
int yynrhs = yyrhsLength (yyx->yyrule); int yynrhs = yyrhsLength (yyx->yyrule);
int yyi; int yyi;
yyGLRState* yys; yyGLRState* yys;
yyGLRState* yystates[YYMAXRHS]; yyGLRState* yystates[1 + YYMAXRHS];
yyGLRState yyleftmost_state; yyGLRState yyleftmost_state;
for (yyi = yynrhs, yys = yyx->yystate; 0 < yyi; yyi -= 1, yys = yys->yypred) for (yyi = yynrhs, yys = yyx->yystate; 0 < yyi; yyi -= 1, yys = yys->yypred)
@@ -1757,11 +1757,11 @@ yyreportTree (yySemanticOption* yyx, int yyindent)
if (yyx->yystate->yyposn < yys->yyposn + 1) if (yyx->yystate->yyposn < yys->yyposn + 1)
YYFPRINTF (stderr, "%*s%s -> <Rule %d, empty>\n", YYFPRINTF (stderr, "%*s%s -> <Rule %d, empty>\n",
yyindent, "", yytokenName (yylhsNonterm (yyx->yyrule)), yyindent, "", yytokenName (yylhsNonterm (yyx->yyrule)),
yyx->yyrule); yyx->yyrule - 1);
else else
YYFPRINTF (stderr, "%*s%s -> <Rule %d, tokens %lu .. %lu>\n", YYFPRINTF (stderr, "%*s%s -> <Rule %d, tokens %lu .. %lu>\n",
yyindent, "", yytokenName (yylhsNonterm (yyx->yyrule)), yyindent, "", yytokenName (yylhsNonterm (yyx->yyrule)),
yyx->yyrule, (unsigned long int) (yys->yyposn + 1), yyx->yyrule - 1, (unsigned long int) (yys->yyposn + 1),
(unsigned long int) yyx->yystate->yyposn); (unsigned long int) yyx->yystate->yyposn);
for (yyi = 1; yyi <= yynrhs; yyi += 1) for (yyi = 1; yyi <= yynrhs; yyi += 1)
{ {
@@ -2578,7 +2578,7 @@ yypdumpstack (yyGLRStack* yystackp)
else else
{ {
fprintf (stderr, "Option. rule: %d, state: %ld, next: %ld", fprintf (stderr, "Option. rule: %d, state: %ld, next: %ld",
yyp->yyoption.yyrule, yyp->yyoption.yyrule - 1,
(long int) YYINDEX (yyp->yyoption.yystate), (long int) YYINDEX (yyp->yyoption.yystate),
(long int) YYINDEX (yyp->yyoption.yynext)); (long int) YYINDEX (yyp->yyoption.yynext));
} }