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CONFIG: update lemon code to version from 2019-09-11

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This commit is contained in:
Mark Olesen
2019-10-28 14:30:05 +01:00
committed by Andrew Heather
parent 07ac8aa916
commit 80daea6017
2 changed files with 34 additions and 22 deletions
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28
wmake/etc/lempar.c
View File

@ -535,15 +535,18 @@ static YYACTIONTYPE yy_find_shift_action(
do{ do{
i = yy_shift_ofst[stateno]; i = yy_shift_ofst[stateno];
assert( i>=0 ); assert( i>=0 );
/* assert( i+YYNTOKEN<=(int)YY_NLOOKAHEAD ); */ assert( i<=YY_ACTTAB_COUNT );
assert( i+YYNTOKEN<=(int)YY_NLOOKAHEAD );
assert( iLookAhead!=YYNOCODE ); assert( iLookAhead!=YYNOCODE );
assert( iLookAhead < YYNTOKEN ); assert( iLookAhead < YYNTOKEN );
i += iLookAhead; i += iLookAhead;
if( i>=YY_NLOOKAHEAD || yy_lookahead[i]!=iLookAhead ){ assert( i<(int)YY_NLOOKAHEAD );
if( yy_lookahead[i]!=iLookAhead ){
#ifdef YYFALLBACK #ifdef YYFALLBACK
YYCODETYPE iFallback; /* Fallback token */ YYCODETYPE iFallback; /* Fallback token */
if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0]) assert( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0]) );
&& (iFallback = yyFallback[iLookAhead])!=0 ){ iFallback = yyFallback[iLookAhead];
if( iFallback!=0 ){
#ifndef NDEBUG #ifndef NDEBUG
if( yyTraceFILE ){ if( yyTraceFILE ){
fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n", fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n",
@ -558,16 +561,8 @@ static YYACTIONTYPE yy_find_shift_action(
#ifdef YYWILDCARD #ifdef YYWILDCARD
{ {
int j = i - iLookAhead + YYWILDCARD; int j = i - iLookAhead + YYWILDCARD;
if( assert( j<(int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])) );
#if YY_SHIFT_MIN+YYWILDCARD<0 if( yy_lookahead[j]==YYWILDCARD && iLookAhead>0 ){
j>=0 &&
#endif
#if YY_SHIFT_MAX+YYWILDCARD>=YY_ACTTAB_COUNT
j<YY_ACTTAB_COUNT &&
#endif
j<(int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])) &&
yy_lookahead[j]==YYWILDCARD && iLookAhead>0
){
#ifndef NDEBUG #ifndef NDEBUG
if( yyTraceFILE ){ if( yyTraceFILE ){
fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n", fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n",
@ -1086,9 +1081,8 @@ void Parse(
%namespace_begin %namespace_begin
int ParseFallback(int iToken){ int ParseFallback(int iToken){
#ifdef YYFALLBACK #ifdef YYFALLBACK
if( iToken<(int)(sizeof(yyFallback)/sizeof(yyFallback[0])) ){ assert( iToken<(int)(sizeof(yyFallback)/sizeof(yyFallback[0])) );
return yyFallback[iToken]; return yyFallback[iToken];
}
#else #else
(void)iToken; (void)iToken;
#endif #endif

28
wmake/src/lemon.c
View File

@ -1,9 +1,8 @@
/* /*
* Part of check-in [https://www.sqlite.org/src/info/2da0eea02d128c37] * Part of check-in [https://www.sqlite.org/src/info/980be1730dc1239c]
* artifact: * artifact:
* https://www.sqlite.org/src/raw/tool/lemon.c?name=cc43148d2793ab93668e74a6a6319bb71c2e65c1ffcd6deeaa59e12be9362a43 * https://www.sqlite.org/src/raw/tool/lemon.c?name=61d5f0af1eff8f754b75ddca668c9897fd30759e389bfffb42ce9e4d38fd4746
*/ */
/* /*
** This file contains all sources (including headers) to the LEMON ** This file contains all sources (including headers) to the LEMON
** LALR(1) parser generator. The sources have been combined into a ** LALR(1) parser generator. The sources have been combined into a
@ -4244,6 +4243,7 @@ void ReportTable(
struct rule *rp; struct rule *rp;
struct acttab *pActtab; struct acttab *pActtab;
int i, j, n, sz; int i, j, n, sz;
int nLookAhead;
int szActionType; /* sizeof(YYACTIONTYPE) */ int szActionType; /* sizeof(YYACTIONTYPE) */
int szCodeType; /* sizeof(YYCODETYPE) */ int szCodeType; /* sizeof(YYCODETYPE) */
const char *name; const char *name;
@ -4495,13 +4495,29 @@ void ReportTable(
if( la<0 ) la = lemp->nsymbol; if( la<0 ) la = lemp->nsymbol;
if( j==0 ) fprintf(out," /* %5d */ ", i); if( j==0 ) fprintf(out," /* %5d */ ", i);
fprintf(out, " %4d,", la); fprintf(out, " %4d,", la);
if( j==9 || i==n-1 ){ if( j==9 ){
fprintf(out, "\n"); lineno++; fprintf(out, "\n"); lineno++;
j = 0; j = 0;
}else{ }else{
j++; j++;
} }
} }
/* Add extra entries to the end of the yy_lookahead[] table so that
** yy_shift_ofst[]+iToken will always be a valid index into the array,
** even for the largest possible value of yy_shift_ofst[] and iToken. */
nLookAhead = lemp->nterminal + lemp->nactiontab;
while( i<nLookAhead ){
if( j==0 ) fprintf(out," /* %5d */ ", i);
fprintf(out, " %4d,", lemp->nterminal);
if( j==9 ){
fprintf(out, "\n"); lineno++;
j = 0;
}else{
j++;
}
i++;
}
if( j>0 ){ fprintf(out, "\n"); lineno++; }
fprintf(out, "};\n"); lineno++; fprintf(out, "};\n"); lineno++;
/* Output the yy_shift_ofst[] table */ /* Output the yy_shift_ofst[] table */
@ -4581,7 +4597,9 @@ void ReportTable(
*/ */
if( lemp->has_fallback ){ if( lemp->has_fallback ){
int mx = lemp->nterminal - 1; int mx = lemp->nterminal - 1;
while( mx>0 && lemp->symbols[mx]->fallback==0 ){ mx--; } /* 2019-08-28: Generate fallback entries for every token to avoid
** having to do a range check on the index */
/* while( mx>0 && lemp->symbols[mx]->fallback==0 ){ mx--; } */
lemp->tablesize += (mx+1)*szCodeType; lemp->tablesize += (mx+1)*szCodeType;
for(i=0; i<=mx; i++){ for(i=0; i<=mx; i++){
struct symbol *p = lemp->symbols[i]; struct symbol *p = lemp->symbols[i];