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Overview
Comment: | Fix an unreachable branch associated with stack overflow in the LEMON-generated parser. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
e3064ba3b68ca2a1c54561756e8c8988 |
User & Date: | drh 2018-04-23 00:25:31.966 |
Context
2018-04-23
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13:28 | Ensure that there are no bind-parameters or incorrect schema references in the UPSERT portions of an INSERT within a TRIGGER. (check-in: d47a6bdda0 user: drh tags: trunk) | |
00:25 | Fix an unreachable branch associated with stack overflow in the LEMON-generated parser. (check-in: e3064ba3b6 user: drh tags: trunk) | |
2018-04-21
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22:40 | Performance improvements on the main loop of the LEMON-generated parser. (check-in: fec1ebadeb user: drh tags: trunk) | |
Changes
Changes to tool/lempar.c.
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743 744 745 746 747 748 749 | yypParser->yyhwm++; assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack)); } #endif #if YYSTACKDEPTH>0 if( yypParser->yytos>=yypParser->yystackEnd ){ yyStackOverflow(yypParser); | > > > | > > > | | 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 | yypParser->yyhwm++; assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack)); } #endif #if YYSTACKDEPTH>0 if( yypParser->yytos>=yypParser->yystackEnd ){ yyStackOverflow(yypParser); /* The call to yyStackOverflow() above pops the stack until it is ** empty, causing the main parser loop to exit. So the return value ** is never used and does not matter. */ return 0; } #else if( yypParser->yytos>=&yypParser->yystack[yypParser->yystksz-1] ){ if( yyGrowStack(yypParser) ){ yyStackOverflow(yypParser); /* The call to yyStackOverflow() above pops the stack until it is ** empty, causing the main parser loop to exit. So the return value ** is never used and does not matter. */ return 0; } yymsp = yypParser->yytos; } #endif } switch( yyruleno ){ |
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926 927 928 929 930 931 932 | }else if( yyact <= YY_MAX_SHIFTREDUCE ){ yy_shift(yypParser,yyact,yymajor,yyminor); #ifndef YYNOERRORRECOVERY yypParser->yyerrcnt--; #endif break; }else if( yyact==YY_ACCEPT_ACTION ){ | < < < < < | | < | 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 | }else if( yyact <= YY_MAX_SHIFTREDUCE ){ yy_shift(yypParser,yyact,yymajor,yyminor); #ifndef YYNOERRORRECOVERY yypParser->yyerrcnt--; #endif break; }else if( yyact==YY_ACCEPT_ACTION ){ yypParser->yytos--; yy_accept(yypParser); return; }else{ assert( yyact == YY_ERROR_ACTION ); yyminorunion.yy0 = yyminor; #ifdef YYERRORSYMBOL int yymx; #endif |
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