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Changes lemon so that the generated parser does not accept prior to

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seeing the EOF token.  This is a lemon change only and does not
effect SQLite.  Ticket #2550. (CVS 4473)

FossilOrigin-Name: 1c68d93412a608f5164ad984ff290ab3b832bf7a
This commit is contained in:
drh
2007-10-05 16:16:36 +00:00
parent 382e28fa0c
commit b496099751
3 changed files with 11 additions and 8 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Changes\sto\sa\scouple\sof\stest\sscripts\sto\shandle\sthe\stcl\s8.5\sversion\sof\s(file\sattributes\s-readonly)\son\smac.\s(CVS\s4472)
D 2007-10-05T15:53:29
C Changes\slemon\sso\sthat\sthe\sgenerated\sparser\sdoes\snot\saccept\sprior\sto\nseeing\sthe\sEOF\stoken.\s\sThis\sis\sa\slemon\schange\sonly\sand\sdoes\snot\neffect\sSQLite.\s\sTicket\s#2550.\s(CVS\s4473)
D 2007-10-05T16:16:36
F Makefile.in 75b729d562e9525d57d9890ec598b38e1a8b02bc
F Makefile.linux-gcc 65241babba6faf1152bf86574477baab19190499
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@ -504,7 +504,7 @@ F test/where5.test fdf66f96d29a064b63eb543e28da4dfdccd81ad2
F test/zeroblob.test 7d1854ea79d048e023e5f2e38106a7e99a17435c
F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
F tool/lemon.c 1f8c0ee267cd8224bb6c979ca3b7cf36299c4c78
F tool/lemon.c 5b243377708d5fadb7ed4795ad6b2e9c379e1f0f
F tool/lempar.c 8f998bf8d08e2123149c2cc5d0597cd5d5d1abdd
F tool/memleak.awk 4e7690a51bf3ed757e611273d43fe3f65b510133
F tool/memleak2.awk 9cc20c8e8f3c675efac71ea0721ee6874a1566e8
@ -581,7 +581,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
P f795431c725d88bd4011f20cf63cac630de842f1
R 979cdcdc8ea6ae6406c777ce279b3379
U danielk1977
Z c03fae9704ced5b927314f1297351417
P a51946e66badab37cd54982265631bbc5e414f8e
R 210c10367161878aed944ec38d45f171
U drh
Z 3fd649e0712ea99e40f908f4ebe8b274

2
manifest.uuid
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@ -1 +1 @@
a51946e66badab37cd54982265631bbc5e414f8e
1c68d93412a608f5164ad984ff290ab3b832bf7a

3
tool/lemon.c
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@ -149,6 +149,7 @@ struct symbol {
struct rule {
struct symbol *lhs; /* Left-hand side of the rule */
char *lhsalias; /* Alias for the LHS (NULL if none) */
int lhsStart; /* True if left-hand side is the start symbol */
int ruleline; /* Line number for the rule */
int nrhs; /* Number of RHS symbols */
struct symbol **rhs; /* The RHS symbols */
@ -709,6 +710,7 @@ does not work properly.",sp->name);
** left-hand side */
for(rp=sp->rule; rp; rp=rp->nextlhs){
struct config *newcfp;
rp->lhsStart = 1;
newcfp = Configlist_addbasis(rp,0);
SetAdd(newcfp->fws,0);
}
@ -3942,6 +3944,7 @@ struct lemon *lemp;
}
if( ap->type!=REDUCE ) continue;
rp = ap->x.rp;
if( rp->lhsStart ) continue;
if( rp==rbest ) continue;
n = 1;
for(ap2=ap->next; ap2; ap2=ap2->next){