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Lemon update 2015-11-09 14:11:37 on branch trunk
- Size reduction and performance improvement in the stack-popping logic of the Lemon-generated parser. (user: drh)
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1 changed files with 6 additions and 12 deletions
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@ -334,25 +334,19 @@ static void yy_destructor(
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**
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** If there is a destructor routine associated with the token which
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** is popped from the stack, then call it.
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**
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** Return the major token number for the symbol popped.
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*/
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static int yy_pop_parser_stack(yyParser *pParser){
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YYCODETYPE yymajor;
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yyStackEntry *yytos = &pParser->yystack[pParser->yyidx];
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if( pParser->yyidx<0 ) return 0;
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static void yy_pop_parser_stack(yyParser *pParser){
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yyStackEntry *yytos;
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assert( pParser->yyidx>=0 );
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yytos = &pParser->yystack[pParser->yyidx--];
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#ifndef NDEBUG
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if( yyTraceFILE && pParser->yyidx>=0 ){
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if( yyTraceFILE ){
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fprintf(yyTraceFILE,"%sPopping %s\n",
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yyTracePrompt,
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yyTokenName[yytos->major]);
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}
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#endif
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yymajor = yytos->major;
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yy_destructor(pParser, yymajor, &yytos->minor);
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pParser->yyidx--;
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return yymajor;
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yy_destructor(pParser, yytos->major, &yytos->minor);
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}
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/*
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