Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Fix an unreachable branch in the new parse automaton. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | lemon-update |
| Files: | files | file ages | folders |
| SHA1: |
e9d604b4306a86faae315ac3cba59bf0 |
| User & Date: | drh 2015-09-07 20:02:39 |
Context
|
2015-09-07
| ||
| 20:11 | Enhance the Lemon parser generator to add SHIFTREDUCE states that reduce the sizes of some of the parser tables. (check-in: 99b992fa user: drh tags: trunk) | |
| 20:02 | Fix an unreachable branch in the new parse automaton. (Closed-Leaf check-in: e9d604b4 user: drh tags: lemon-update) | |
| 19:52 | Change the parser engine so that it (once again) waits for a lookahead token before reducing, even in a SHIFTREDUCE action. (check-in: 2c17a135 user: drh tags: lemon-update) | |
Changes
Changes to src/lempar.c.
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 |
yyParser *pParser, /* The parser */
YYCODETYPE iLookAhead /* The look-ahead token */
){
int i;
int stateno = pParser->yystack[pParser->yyidx].stateno;
if( stateno>=YY_MIN_REDUCE ) return stateno;
if( stateno>YY_SHIFT_COUNT
|| (i = yy_shift_ofst[stateno])==YY_SHIFT_USE_DFLT ){
return yy_default[stateno];
}
assert( iLookAhead!=YYNOCODE );
i += iLookAhead;
if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
if( iLookAhead>0 ){
#ifdef YYFALLBACK
YYCODETYPE iFallback; /* Fallback token */
if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
|
| | | < |
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 |
yyParser *pParser, /* The parser */
YYCODETYPE iLookAhead /* The look-ahead token */
){
int i;
int stateno = pParser->yystack[pParser->yyidx].stateno;
if( stateno>=YY_MIN_REDUCE ) return stateno;
assert( stateno <= YY_SHIFT_COUNT );
i = yy_shift_ofst[stateno];
if( i==YY_SHIFT_USE_DFLT ) return yy_default[stateno];
assert( iLookAhead!=YYNOCODE );
i += iLookAhead;
if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
if( iLookAhead>0 ){
#ifdef YYFALLBACK
YYCODETYPE iFallback; /* Fallback token */
if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
|
Changes to tool/lempar.c.
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 |
yyParser *pParser, /* The parser */
YYCODETYPE iLookAhead /* The look-ahead token */
){
int i;
int stateno = pParser->yystack[pParser->yyidx].stateno;
if( stateno>=YY_MIN_REDUCE ) return stateno;
if( stateno>YY_SHIFT_COUNT
|| (i = yy_shift_ofst[stateno])==YY_SHIFT_USE_DFLT ){
return yy_default[stateno];
}
assert( iLookAhead!=YYNOCODE );
i += iLookAhead;
if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
if( iLookAhead>0 ){
#ifdef YYFALLBACK
YYCODETYPE iFallback; /* Fallback token */
if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
|
| | | < |
394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 |
yyParser *pParser, /* The parser */
YYCODETYPE iLookAhead /* The look-ahead token */
){
int i;
int stateno = pParser->yystack[pParser->yyidx].stateno;
if( stateno>=YY_MIN_REDUCE ) return stateno;
assert( stateno <= YY_SHIFT_COUNT );
i = yy_shift_ofst[stateno];
if( i==YY_SHIFT_USE_DFLT ) return yy_default[stateno];
assert( iLookAhead!=YYNOCODE );
i += iLookAhead;
if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
if( iLookAhead>0 ){
#ifdef YYFALLBACK
YYCODETYPE iFallback; /* Fallback token */
if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
|