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Implement the "lookaside" memory allocation cache. Use of this cache makes

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the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
This commit is contained in:
drh
2008-07-28 19:34:53 +00:00
parent 78bd9ca86f
commit 633e6d57d9
50 changed files with 999 additions and 624 deletions
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15
tool/lempar.c
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@ -273,7 +273,12 @@ void *ParseAlloc(void *(*mallocProc)(size_t)){
** "yymajor" is the symbol code, and "yypminor" is a pointer to
** the value.
*/
static void yy_destructor(YYCODETYPE yymajor, YYMINORTYPE *yypminor){
static void yy_destructor(
yyParser *yypParser, /* The parser */
YYCODETYPE yymajor, /* Type code for object to destroy */
YYMINORTYPE *yypminor /* The object to be destroyed */
){
ParseARG_FETCH;
switch( yymajor ){
/* Here is inserted the actions which take place when a
** terminal or non-terminal is destroyed. This can happen
@ -311,7 +316,7 @@ static int yy_pop_parser_stack(yyParser *pParser){
}
#endif
yymajor = yytos->major;
yy_destructor( yymajor, &yytos->minor);
yy_destructor(pParser, yymajor, &yytos->minor);
pParser->yyidx--;
return yymajor;
}
@ -758,7 +763,7 @@ void Parse(
yyTracePrompt,yyTokenName[yymajor]);
}
#endif
yy_destructor(yymajor,&yyminorunion);
yy_destructor(yypParser, yymajor,&yyminorunion);
yymajor = YYNOCODE;
}else{
while(
@ -771,7 +776,7 @@ void Parse(
yy_pop_parser_stack(yypParser);
}
if( yypParser->yyidx < 0 || yymajor==0 ){
yy_destructor(yymajor,&yyminorunion);
yy_destructor(yypParser,yymajor,&yyminorunion);
yy_parse_failed(yypParser);
yymajor = YYNOCODE;
}else if( yymx!=YYERRORSYMBOL ){
@ -796,7 +801,7 @@ void Parse(
yy_syntax_error(yypParser,yymajor,yyminorunion);
}
yypParser->yyerrcnt = 3;
yy_destructor(yymajor,&yyminorunion);
yy_destructor(yypParser,yymajor,&yyminorunion);
if( yyendofinput ){
yy_parse_failed(yypParser);
}