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Add the %extra_context directive to lemon, as an alternative to %extra_argument.

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Use this to improve the performance of the parser.

FossilOrigin-Name: be47a6f5262a43f477700579512fe7112a0872faedcbbe5c3383d13a08af6440
This commit is contained in:
drh
2018-04-21 13:51:42 +00:00
parent f3d7bbb767
commit fb32c44e41
8 changed files with 125 additions and 56 deletions
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6
src/tokenize.c
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@@ -496,9 +496,9 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
/* sqlite3ParserTrace(stdout, "parser: "); */
#ifdef sqlite3Parser_ENGINEALWAYSONSTACK
pEngine = &sEngine;
sqlite3ParserInit(pEngine);
sqlite3ParserInit(pEngine, pParse);
#else
pEngine = sqlite3ParserAlloc(sqlite3Malloc);
pEngine = sqlite3ParserAlloc(sqlite3Malloc, pParse);
if( pEngine==0 ){
sqlite3OomFault(db);
return SQLITE_NOMEM_BKPT;
@@ -542,7 +542,7 @@ int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzErrMsg){
}else{
pParse->sLastToken.z = zSql;
pParse->sLastToken.n = n;
sqlite3Parser(pEngine, tokenType, pParse->sLastToken, pParse);
sqlite3Parser(pEngine, tokenType, pParse->sLastToken);
lastTokenParsed = tokenType;
zSql += n;
if( pParse->rc!=SQLITE_OK || db->mallocFailed ) break;