--- parser3/src/main/compile.tab.C	2009/04/17 12:19:34	1.125
+++ parser3/src/main/compile.tab.C	2009/06/02 10:24:34	1.137
@@ -129,10 +129,10 @@
 /** @file
 	Parser: compiler(lexical parser and grammar).
 
-	Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
+	Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com)
 	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
 
-	$Id: compile.tab.C,v 1.125 2009/04/17 12:19:34 misha Exp $
+	$Id: compile.tab.C,v 1.137 2009/06/02 10:24:34 misha Exp $
 */
 
 /**
@@ -171,6 +171,7 @@
 #define OPTIONS_CONTROL_METHOD_NAME "OPTIONS"
 #define OPTION_ALL_VARS_LOCAL_NAME "locals"
 #define OPTION_PARTIAL_CLASS "partial"
+#define REM_OPERATOR_NAME "rem"
 
 // forwards
 
@@ -216,7 +217,7 @@ typedef int YYSTYPE;
 
 
 /* Line 214 of yacc.c.  */
-#line 220 "compile.tab.C"
+#line 221 "compile.tab.C"
 
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
@@ -455,24 +456,24 @@ static const short int yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {
-       0,   131,   131,   138,   140,   140,   141,   143,   143,   145,
-     246,   246,   247,   247,   248,   249,   249,   251,   251,   301,
-     301,   302,   303,   303,   304,   304,   306,   306,   310,   310,
-     312,   312,   313,   313,   314,   314,   314,   318,   325,   326,
-     326,   327,   329,   330,   331,   353,   354,   354,   358,   363,
-     364,   365,   366,   383,   388,   391,   392,   393,   395,   398,
-     395,   406,   414,   421,   422,   423,   425,   431,   432,   432,
-     436,   442,   445,   442,   461,   463,   463,   465,   466,   467,
-     469,   472,   469,   475,   476,   478,   479,   482,   483,   486,
-     487,   489,   493,   508,   513,   514,   515,   520,   520,   522,
-     522,   523,   524,   532,   537,   540,   541,   542,   543,   545,
-     549,   558,   561,   558,   569,   574,   574,   575,   581,   582,
-     584,   596,   608,   610,   611,   612,   613,   614,   615,   616,
-     617,   619,   620,   621,   622,   623,   624,   625,   626,   628,
-     629,   630,   631,   632,   633,   634,   635,   636,   637,   638,
-     639,   640,   641,   642,   643,   644,   645,   646,   647,   648,
-     649,   650,   651,   652,   653,   654,   657,   662,   671,   676,
-     677,   678,   680
+       0,   132,   132,   139,   141,   141,   142,   144,   144,   146,
+     247,   247,   248,   248,   249,   250,   250,   252,   252,   302,
+     302,   303,   304,   304,   305,   305,   307,   307,   311,   311,
+     313,   313,   314,   314,   315,   315,   315,   319,   348,   349,
+     349,   350,   352,   353,   354,   405,   406,   406,   410,   423,
+     424,   425,   426,   443,   448,   451,   452,   453,   455,   458,
+     455,   466,   474,   481,   482,   483,   485,   491,   492,   492,
+     496,   507,   510,   507,   538,   540,   540,   542,   543,   544,
+     546,   549,   546,   552,   553,   555,   556,   559,   560,   563,
+     564,   566,   569,   583,   588,   589,   590,   595,   595,   597,
+     597,   598,   599,   607,   612,   615,   616,   617,   618,   620,
+     624,   633,   636,   633,   644,   649,   649,   650,   656,   657,
+     659,   676,   688,   690,   691,   692,   693,   694,   695,   696,
+     697,   699,   700,   701,   702,   703,   704,   705,   706,   708,
+     709,   710,   711,   712,   713,   714,   715,   716,   717,   718,
+     719,   720,   721,   722,   723,   724,   725,   726,   727,   728,
+     729,   730,   731,   732,   733,   734,   737,   742,   763,   768,
+     769,   770,   772
 };
 #endif
 
@@ -1427,7 +1428,7 @@ yyreduce:
   switch (yyn)
     {
         case 2:
-#line 131 "compile.y"
+#line 132 "compile.y"
     {
 	Method& method=*new Method(Method::CT_ANY,
 		0, 0, /*min, max numbered_params_count*/
@@ -1438,7 +1439,7 @@ yyreduce:
     break;
 
   case 9:
-#line 146 "compile.y"
+#line 147 "compile.y"
     {
 	const String& command=*LA2S(*yyvsp[-2]);
 	YYSTYPE strings_code=yyvsp[0];
@@ -1542,12 +1543,12 @@ yyreduce:
     break;
 
   case 13:
-#line 247 "compile.y"
+#line 248 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 17:
-#line 251 "compile.y"
+#line 252 "compile.y"
     { 
 	PC.class_add();
 	PC.explicit_result=false;
@@ -1592,7 +1593,7 @@ yyreduce:
     break;
 
   case 18:
-#line 291 "compile.y"
+#line 292 "compile.y"
     {
 		Method& method=*reinterpret_cast<Method*>(yyvsp[-1]);
 		// fill in the code
@@ -1605,93 +1606,152 @@ yyreduce:
     break;
 
   case 21:
-#line 302 "compile.y"
+#line 303 "compile.y"
     {yyval=yyvsp[-1];}
     break;
 
   case 25:
-#line 304 "compile.y"
+#line 305 "compile.y"
     { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 31:
-#line 312 "compile.y"
+#line 313 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 37:
-#line 318 "compile.y"
+#line 319 "compile.y"
     {
-	yyval=yyvsp[0]; /* stack: resulting value */ 
-	changetail_or_append(*yyval, 
-		OP::OP_GET_ELEMENT, false,  /*->*/OP::OP_GET_ELEMENT__WRITE,
-		/*or */OP::OP_WRITE_VALUE
-		); /* value=pop; wcontext.write(value) */
+	yyval=N();
+	YYSTYPE code=yyvsp[0];
+#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
+	if(!maybe_change_first_opcode(*code, OP::OP_VALUE__GET_ELEMENT, /*=>*/OP::OP_VALUE__GET_ELEMENT__WRITE))
+#endif
+
+#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
+		if(
+			code->count()!=5
+			|| !maybe_change_first_opcode(*code, OP::OP_GET_OBJECT_ELEMENT, /*=>*/OP::OP_GET_OBJECT_ELEMENT__WRITE)
+		)
+#endif
+
+#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
+		if(
+			code->count()!=5
+			|| !maybe_change_first_opcode(*code, OP::OP_GET_OBJECT_VAR_ELEMENT, /*=>*/OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE)
+		)
+#endif
+		{
+			changetail_or_append(*code, 
+				OP::OP_GET_ELEMENT, false,  /*=>*/OP::OP_GET_ELEMENT__WRITE,
+				/*or */OP::OP_WRITE_VALUE
+				); /* value=pop; wcontext.write(value) */
+		}
+
+	P(*yyval, *code);
 ;}
     break;
 
   case 38:
-#line 325 "compile.y"
+#line 348 "compile.y"
     { yyval=yyvsp[0] ;}
     break;
 
   case 41:
-#line 327 "compile.y"
+#line 350 "compile.y"
     { yyval=yyvsp[-1] ;}
     break;
 
   case 44:
-#line 331 "compile.y"
+#line 354 "compile.y"
     {
 	yyval=N(); 
-	ArrayOperation* diving_code=yyvsp[0];
+	YYSTYPE diving_code=yyvsp[0];
 	const String* first_name=LA2S(*diving_code);
-	// self.xxx... -> xxx...
+	size_t count=diving_code->count();
+	// self.xxx... => xxx...
 	// OP_VALUE+origin+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+...
 	if(first_name && *first_name==SELF_ELEMENT_NAME) {
 		O(*yyval, OP::OP_WITH_SELF); /* stack: starting context */
 		P(*yyval, *diving_code, 
 			/* skip over... */
-			diving_code->count()>=4?4/*OP::OP_VALUE+origin+string+OP::OP_GET_ELEMENTx*/:3/*OP::OP_+origin+string*/);
+			count>=4?4/*OP_VALUE+origin+string+OP_GET_ELEMENTx*/:3/*OP::OP_+origin+string*/);
+	}
+
+#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
+	else if(maybe_make_get_object_element(*yyval, *diving_code, count)){
+		// optimisation for $object.field + ^object.method[
+	}
+#endif
+
+#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
+	else if(maybe_make_get_object_var_element(*yyval, *diving_code, count)){
+		// optimisation for $object.$var
+	}
+#endif
+
+#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
+	else if(count==4){ // optimization
+		O(*yyval,
+			(PC.in_call_value)
+			? OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR // ^object[ : OP_VALUE+origin+string+OP_GET_ELEMENT => OP_VALUE__GET_ELEMENT_OR_OPERATOR+origin+string
+			: OP::OP_VALUE__GET_ELEMENT             // $object  : OP_VALUE+origin+string+OP_GET_ELEMENT => OP_VALUE__GET_ELEMENT+origin+string
+		);
+		P(*yyval, *diving_code, 1/*offset*/, 2/*limit*/); // copy origin+value
 	} else {
 		O(*yyval, OP::OP_WITH_READ); /* stack: starting context */
+		P(*yyval, *diving_code);
+	}
+#else
+	else {
+		O(*yyval, OP::OP_WITH_READ); /* stack: starting context */
 
-		// ^if ELEMENT -> ^if ELEMENT_OR_OPERATOR
-		// OP_VALUE+origin+string+OP_GET_ELEMENT. -> OP_VALUE+origin+string+OP_GET_ELEMENT_OR_OPERATOR.
-		if(PC.in_call_value && diving_code->count()==4)
-			diving_code->put(4-1, OP::OP_GET_ELEMENT_OR_OPERATOR);
+		// ^if OP_ELEMENT => ^if OP_ELEMENT_OR_OPERATOR
+		// optimized OP_VALUE+origin+string+OP_GET_ELEMENT. => OP_VALUE+origin+string+OP_GET_ELEMENT_OR_OPERATOR.
+		if(PC.in_call_value && count==4)
+			diving_code->put(count-1, OP::OP_GET_ELEMENT_OR_OPERATOR);
 		P(*yyval, *diving_code);
 	}
+#endif
 	/* diving code; stack: current context */
 ;}
     break;
 
   case 45:
-#line 353 "compile.y"
+#line 405 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 47:
-#line 354 "compile.y"
+#line 406 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 48:
-#line 358 "compile.y"
+#line 410 "compile.y"
     {
-	yyval=yyvsp[-1]; /* stack: context,name */
-	P(*yyval, *yyvsp[0]); /* stack: context,name,constructor_value */
+	yyval=N();
+#ifdef OPTIMIZE_BYTECODE_CONSTRUCT
+	if(maybe_optimize_construct(*yyval, *yyvsp[-1], *yyvsp[0])){
+		// $a(expr), $.a(expr), $a[value], $.a[value]
+	} else 
+#endif
+	{
+		P(*yyval, *yyvsp[-1]); /* stack: context,name */
+		P(*yyval, *yyvsp[0]); /* stack: context,name,constructor_value */
+	}
 ;}
     break;
 
   case 52:
-#line 366 "compile.y"
+#line 426 "compile.y"
     {
 	yyval=N();
-	ArrayOperation* diving_code=yyvsp[0];
+	YYSTYPE diving_code=yyvsp[0];
 	const String* first_name=LA2S(*diving_code);
-	// $self.xxx... -> $xxx...
-	// OP_VALUE+origin+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+...
+	// $self.xxx... => $xxx...
+	// OP_VALUE+origin+string+OP_GET_ELEMENT+... => OP_WITH_SELF+...
 	if(first_name && *first_name==SELF_ELEMENT_NAME) {
 		O(*yyval, OP::OP_WITH_SELF); /* stack: starting context */
 		P(*yyval, *diving_code, 
@@ -1706,7 +1766,7 @@ yyreduce:
     break;
 
   case 53:
-#line 383 "compile.y"
+#line 443 "compile.y"
     {
 	yyval=N(); 
 	O(*yyval, OP::OP_WITH_WRITE); /* stack: starting context */
@@ -1715,12 +1775,12 @@ yyreduce:
     break;
 
   case 54:
-#line 388 "compile.y"
+#line 448 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 58:
-#line 395 "compile.y"
+#line 455 "compile.y"
     {
 	// allow $result_or_other_variable[ letters here any time ]
 	*reinterpret_cast<bool*>(&yyval)=PC.explicit_result; PC.explicit_result=false;
@@ -1728,14 +1788,14 @@ yyreduce:
     break;
 
   case 59:
-#line 398 "compile.y"
+#line 458 "compile.y"
     {
 	PC.explicit_result=*reinterpret_cast<bool*>(&yyvsp[-1]);
 ;}
     break;
 
   case 60:
-#line 400 "compile.y"
+#line 460 "compile.y"
     {
 	// stack: context, name
 	yyval=yyvsp[-2]; // stack: context, name, value
@@ -1744,7 +1804,7 @@ yyreduce:
     break;
 
   case 61:
-#line 406 "compile.y"
+#line 466 "compile.y"
     { 
 	yyval=N(); 
 	O(*yyval, OP::OP_PREPARE_TO_EXPRESSION);
@@ -1755,7 +1815,7 @@ yyreduce:
     break;
 
   case 62:
-#line 414 "compile.y"
+#line 474 "compile.y"
     {
 	// stack: context, name
 	yyval=N(); 
@@ -1764,7 +1824,7 @@ yyreduce:
     break;
 
   case 66:
-#line 425 "compile.y"
+#line 485 "compile.y"
     {
 	yyval=N(); 
 	OA(*yyval, OP::OP_OBJECT_POOL, yyvsp[0]); /* stack: empty write context */
@@ -1774,57 +1834,74 @@ yyreduce:
     break;
 
   case 69:
-#line 432 "compile.y"
+#line 492 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 70:
-#line 436 "compile.y"
+#line 496 "compile.y"
     {
-	yyval=yyvsp[0]; /* stack: value */
-	changetail_or_append(*yyval, 
-		OP::OP_CALL, true,  /*->*/ OP::OP_CALL__WRITE,
-		/*or */OP::OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */
+#ifdef OPTIMIZE_BYTECODE_CUT_REM_OPERATOR
+	if((*yyvsp[0]).count())
+#endif
+	{
+		yyval=yyvsp[0]; /* stack: value */
+		changetail_or_append(*yyval, 
+			OP::OP_CALL, true,  /*=>*/ OP::OP_CALL__WRITE,
+			/*or */OP::OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */
+	}
 ;}
     break;
 
   case 71:
-#line 442 "compile.y"
+#line 507 "compile.y"
     { 
 					PC.in_call_value=true; 
 			;}
     break;
 
   case 72:
-#line 445 "compile.y"
+#line 510 "compile.y"
     {
 				PC.in_call_value=false;
 			;}
     break;
 
   case 73:
-#line 448 "compile.y"
+#line 513 "compile.y"
     { /* ^field.$method{vasya} */
-	yyval=yyvsp[-3]; /* with_xxx,diving code; stack: context,method_junction */
+#ifdef OPTIMIZE_BYTECODE_CUT_REM_OPERATOR
+#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
+	const String* operator_name=LA2S(*yyvsp[-3], 0, OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR);
+#else
+	const String* operator_name=LA2S(*yyvsp[-3], 1);
+#endif
+	if(operator_name && *operator_name == REM_OPERATOR_NAME){
+		yyval=N();
+	} else 
+#endif
+		{
+			yyval=yyvsp[-3]; /* with_xxx,diving code; stack: context,method_junction */
 
-	YYSTYPE params_code=yyvsp[-1];
-	if(params_code->count()==4) { // probably [] case. [OP::OP_VALUE+origin+Void+STORE_PARAM]
-		if(Value* value=LA2V(*params_code)) // it is OP_VALUE+origin+value?
-			if(value->is_void()) // value is VVoid?
-				params_code=0; // ^zzz[] case. don't append lone empty param.
-	}
-	/* stack: context, method_junction */
-	OA(*yyval, OP::OP_CALL, params_code); // method_frame=make frame(pop junction); ncontext=pop; call(ncontext,method_frame) stack: value
+			YYSTYPE params_code=yyvsp[-1];
+			if(params_code->count()==3) { // probably [] case. [OP::OP_VALUE+origin+Void]
+				if(Value* value=LA2V(*params_code)) // it is OP_VALUE+origin+value?
+					if(value->is_void()) // value is VVoid?
+						params_code=0; // ^zzz[] case. don't append lone empty param.
+			}
+			/* stack: context, method_junction */
+			OA(*yyval, OP::OP_CALL, params_code); // method_frame=make frame(pop junction); ncontext=pop; call(ncontext,method_frame) stack: value
+		}
 ;}
     break;
 
   case 76:
-#line 463 "compile.y"
+#line 540 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 80:
-#line 469 "compile.y"
+#line 546 "compile.y"
     {
 	// allow ^call[ letters here any time ]
 	*reinterpret_cast<bool*>(&yyval)=PC.explicit_result; PC.explicit_result=false;
@@ -1832,60 +1909,58 @@ yyreduce:
     break;
 
   case 81:
-#line 472 "compile.y"
+#line 549 "compile.y"
     {
 	PC.explicit_result=*reinterpret_cast<bool*>(&yyvsp[-1]);
 ;}
     break;
 
   case 82:
-#line 474 "compile.y"
+#line 551 "compile.y"
     {yyval=yyvsp[-2];}
     break;
 
   case 83:
-#line 475 "compile.y"
+#line 552 "compile.y"
     {yyval=yyvsp[-1];}
     break;
 
   case 84:
-#line 476 "compile.y"
+#line 553 "compile.y"
     {yyval=yyvsp[-1];}
     break;
 
   case 86:
-#line 479 "compile.y"
+#line 556 "compile.y"
     { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 88:
-#line 483 "compile.y"
+#line 560 "compile.y"
     { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 90:
-#line 487 "compile.y"
+#line 564 "compile.y"
     { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 91:
-#line 489 "compile.y"
+#line 566 "compile.y"
     {
 	yyval=yyvsp[0];
-	O(*yyval, OP::OP_STORE_PARAM);
 ;}
     break;
 
   case 92:
-#line 493 "compile.y"
+#line 569 "compile.y"
     {
 	YYSTYPE expr_code=yyvsp[0];
 	if(expr_code->count()==3
-		&& (*expr_code)[0].code==OP::OP_VALUE) { // optimizing (double/bool/incidently 'string' too) case. [OP::OP_VALUE+origin+Double]
+		&& (*expr_code)[0].code==OP::OP_VALUE) { // optimizing (double/bool/incidently 'string' too) case. [OP::OP_VALUE+origin+Double]. no evaluating
 		yyval=expr_code; 
-		O(*yyval, OP::OP_STORE_PARAM); // no evaluating
 	} else {
-		ArrayOperation* code=N();
+		YYSTYPE code=N();
 		O(*code, OP::OP_PREPARE_TO_EXPRESSION);
 		P(*code, *expr_code);
 		O(*code, OP::OP_WRITE_EXPR_RESULT);
@@ -1896,7 +1971,7 @@ yyreduce:
     break;
 
   case 93:
-#line 508 "compile.y"
+#line 583 "compile.y"
     {
 	yyval=N(); 
 	OA(*yyval, OP::OP_CURLY_CODE__STORE_PARAM, yyvsp[0]);
@@ -1904,17 +1979,17 @@ yyreduce:
     break;
 
   case 98:
-#line 520 "compile.y"
+#line 595 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 100:
-#line 522 "compile.y"
+#line 597 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 102:
-#line 524 "compile.y"
+#line 599 "compile.y"
     {
 	// we know that name_advance1 not called from ^xxx context
 	// so we'll not check for operator call possibility as we do in name_advance2
@@ -1926,7 +2001,7 @@ yyreduce:
     break;
 
   case 103:
-#line 532 "compile.y"
+#line 607 "compile.y"
     {
 	/* stack: context */
 	yyval=yyvsp[0]; /* stack: context,name */
@@ -1935,7 +2010,7 @@ yyreduce:
     break;
 
   case 109:
-#line 545 "compile.y"
+#line 620 "compile.y"
     {
 	yyval=yyvsp[0];
 	O(*yyval, OP::OP_GET_ELEMENT);
@@ -1943,9 +2018,9 @@ yyreduce:
     break;
 
   case 110:
-#line 549 "compile.y"
+#line 624 "compile.y"
     {
-	ArrayOperation* code;
+	YYSTYPE code;
 	{
 		change_string_literal_to_write_string_literal(*(code=yyvsp[-1]));
 		P(*code, *yyvsp[0]);
@@ -1956,7 +2031,7 @@ yyreduce:
     break;
 
   case 111:
-#line 558 "compile.y"
+#line 633 "compile.y"
     {
 	// allow $result_or_other_variable[ letters here any time ]
 	*reinterpret_cast<bool*>(&yyval)=PC.explicit_result; PC.explicit_result=false;
@@ -1964,14 +2039,14 @@ yyreduce:
     break;
 
   case 112:
-#line 561 "compile.y"
+#line 636 "compile.y"
     {
 	PC.explicit_result=*reinterpret_cast<bool*>(&yyvsp[-1]);
 ;}
     break;
 
   case 113:
-#line 563 "compile.y"
+#line 638 "compile.y"
     {
 	yyval=N(); 
 	OA(*yyval, OP::OP_OBJECT_POOL, yyvsp[-2]); /* stack: empty write context */
@@ -1981,7 +2056,7 @@ yyreduce:
     break;
 
   case 114:
-#line 569 "compile.y"
+#line 644 "compile.y"
     {
 	yyval=N(); 
 	O(*yyval, OP::OP_WITH_READ);
@@ -1990,12 +2065,12 @@ yyreduce:
     break;
 
   case 116:
-#line 574 "compile.y"
+#line 649 "compile.y"
     { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
     break;
 
   case 117:
-#line 575 "compile.y"
+#line 650 "compile.y"
     {
 	yyval=yyvsp[0];
 	O(*yyval, OP::OP_GET_ELEMENT__WRITE);
@@ -2003,7 +2078,7 @@ yyreduce:
     break;
 
   case 120:
-#line 584 "compile.y"
+#line 659 "compile.y"
     {
 	yyval=yyvsp[-1]; // stack: class name string
 	if(*LA2S(*yyval) == BASE_NAME) { // pseudo BASE class
@@ -2014,12 +2089,17 @@ yyreduce:
 			YYERROR;
 		}
 	}
+#ifdef OPTIMIZE_BYTECODE_GET_CLASS
+	// optimized OP_VALUE+origin+string+OP_GET_CLASS => OP_VALUE__GET_CLASS+origin+string
+	maybe_change_first_opcode(*yyval, OP::OP_VALUE, OP::OP_VALUE__GET_CLASS, true/*assert if top opcode != OP_VALUE*/)
+#else
 	O(*yyval, OP::OP_GET_CLASS);
+#endif
 ;}
     break;
 
   case 121:
-#line 596 "compile.y"
+#line 676 "compile.y"
     {
 	yyval=yyvsp[-1];
 	if(!PC.in_call_value) {
@@ -2031,238 +2111,250 @@ yyreduce:
     break;
 
   case 128:
-#line 615 "compile.y"
+#line 695 "compile.y"
     { yyval = yyvsp[-1] ;}
     break;
 
   case 129:
-#line 616 "compile.y"
+#line 696 "compile.y"
     { yyval = yyvsp[-1] ;}
     break;
 
   case 130:
-#line 617 "compile.y"
+#line 697 "compile.y"
     { yyval = yyvsp[-1]; ;}
     break;
 
   case 131:
-#line 619 "compile.y"
+#line 699 "compile.y"
     { yyval=yyvsp[0];  O(*yyval, OP::OP_NEG) ;}
     break;
 
   case 132:
-#line 620 "compile.y"
+#line 700 "compile.y"
     { yyval=yyvsp[0] ;}
     break;
 
   case 133:
-#line 621 "compile.y"
+#line 701 "compile.y"
     { yyval=yyvsp[0];	 O(*yyval, OP::OP_INV) ;}
     break;
 
   case 134:
-#line 622 "compile.y"
+#line 702 "compile.y"
     { yyval=yyvsp[0];  O(*yyval, OP::OP_NOT) ;}
     break;
 
   case 135:
-#line 623 "compile.y"
+#line 703 "compile.y"
     { yyval=yyvsp[0];  O(*yyval, OP::OP_DEF) ;}
     break;
 
   case 136:
-#line 624 "compile.y"
+#line 704 "compile.y"
     { yyval=yyvsp[0];  O(*yyval, OP::OP_IN) ;}
     break;
 
   case 137:
-#line 625 "compile.y"
+#line 705 "compile.y"
     { yyval=yyvsp[0];  O(*yyval, OP::OP_FEXISTS) ;}
     break;
 
   case 138:
-#line 626 "compile.y"
+#line 706 "compile.y"
     { yyval=yyvsp[0];  O(*yyval, OP::OP_DEXISTS) ;}
     break;
 
   case 139:
-#line 628 "compile.y"
+#line 708 "compile.y"
     {	yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_SUB) ;}
     break;
 
   case 140:
-#line 629 "compile.y"
+#line 709 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_ADD) ;}
     break;
 
   case 141:
-#line 630 "compile.y"
+#line 710 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_MUL) ;}
     break;
 
   case 142:
-#line 631 "compile.y"
+#line 711 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_DIV) ;}
     break;
 
   case 143:
-#line 632 "compile.y"
+#line 712 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_MOD) ;}
     break;
 
   case 144:
-#line 633 "compile.y"
+#line 713 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_INTDIV) ;}
     break;
 
   case 145:
-#line 634 "compile.y"
+#line 714 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_SL) ;}
     break;
 
   case 146:
-#line 635 "compile.y"
+#line 715 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_SR) ;}
     break;
 
   case 147:
-#line 636 "compile.y"
+#line 716 "compile.y"
     { yyval=yyvsp[-2]; 	P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_AND) ;}
     break;
 
   case 148:
-#line 637 "compile.y"
+#line 717 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_OR) ;}
     break;
 
   case 149:
-#line 638 "compile.y"
+#line 718 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_XOR) ;}
     break;
 
   case 150:
-#line 639 "compile.y"
+#line 719 "compile.y"
     { yyval=yyvsp[-2];  OA(*yyval, OP::OP_NESTED_CODE, yyvsp[0]);  O(*yyval, OP::OP_LOG_AND) ;}
     break;
 
   case 151:
-#line 640 "compile.y"
+#line 720 "compile.y"
     { yyval=yyvsp[-2];  OA(*yyval, OP::OP_NESTED_CODE, yyvsp[0]);  O(*yyval, OP::OP_LOG_OR) ;}
     break;
 
   case 152:
-#line 641 "compile.y"
+#line 721 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_LOG_XOR) ;}
     break;
 
   case 153:
-#line 642 "compile.y"
+#line 722 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_LT) ;}
     break;
 
   case 154:
-#line 643 "compile.y"
+#line 723 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_GT) ;}
     break;
 
   case 155:
-#line 644 "compile.y"
+#line 724 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_LE) ;}
     break;
 
   case 156:
-#line 645 "compile.y"
+#line 725 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_GE) ;}
     break;
 
   case 157:
-#line 646 "compile.y"
+#line 726 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_EQ) ;}
     break;
 
   case 158:
-#line 647 "compile.y"
+#line 727 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_NE) ;}
     break;
 
   case 159:
-#line 648 "compile.y"
+#line 728 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_LT) ;}
     break;
 
   case 160:
-#line 649 "compile.y"
+#line 729 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_GT) ;}
     break;
 
   case 161:
-#line 650 "compile.y"
+#line 730 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_LE) ;}
     break;
 
   case 162:
-#line 651 "compile.y"
+#line 731 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_GE) ;}
     break;
 
   case 163:
-#line 652 "compile.y"
+#line 732 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_EQ) ;}
     break;
 
   case 164:
-#line 653 "compile.y"
+#line 733 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_NE) ;}
     break;
 
   case 165:
-#line 654 "compile.y"
+#line 734 "compile.y"
     { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_IS) ;}
     break;
 
   case 166:
-#line 657 "compile.y"
+#line 737 "compile.y"
     {
-	// optimized from OP_STRING->OP_VALUE for doubles
+	// optimized OP_STRING => OP_VALUE for doubles
 	maybe_change_string_literal_to_double_literal(*(yyval=yyvsp[0]));
 ;}
     break;
 
   case 167:
-#line 662 "compile.y"
+#line 742 "compile.y"
     {
+#ifdef OPTIMIZE_BYTECODE_STRING_POOL
+	// it brakes ^if(" 09 "){...}
+	YYSTYPE code=yyvsp[0];
+	yyval=N();
+	if(code->count()==3 && maybe_change_first_opcode(*code, OP::OP_STRING__WRITE, OP::OP_VALUE)){
+		// optimized OP_STRING__WRITE+origin+value => OP_VALUE+origin+value without starting OP_STRING_POOL
+		P(*yyval, *code);
+	} else {
+		OA(*yyval, OP::OP_STRING_POOL, code); /* stack: empty write context */
+	}
+#else
 	yyval=N();
 	OA(*yyval, OP::OP_STRING_POOL, yyvsp[0]); /* stack: empty write context */
+#endif
 	/* some code that writes to that context */
 	/* context=pop; stack: context.get_string() */
 ;}
     break;
 
   case 168:
-#line 671 "compile.y"
+#line 763 "compile.y"
     {
-	// optimized from OP_STRING+OP_WRITE_VALUE to OP_STRING__WRITE
+	// optimized OP_STRING+OP_WRITE_VALUE => OP_STRING__WRITE
 	change_string_literal_to_write_string_literal(*(yyval=yyvsp[0]))
 ;}
     break;
 
   case 169:
-#line 676 "compile.y"
+#line 768 "compile.y"
     { yyval=VL(/*we know that we will not change it*/const_cast<VVoid*>(&vvoid), 0, 0, 0) ;}
     break;
 
   case 170:
-#line 677 "compile.y"
+#line 769 "compile.y"
     { yyval = VL(/*we know that we will not change it*/const_cast<VBool*>(&vtrue), 0, 0, 0) ;}
     break;
 
   case 171:
-#line 678 "compile.y"
+#line 770 "compile.y"
     { yyval = VL(/*we know that we will not change it*/const_cast<VBool*>(&vfalse), 0, 0, 0) ;}
     break;
 
   case 172:
-#line 680 "compile.y"
+#line 772 "compile.y"
     { yyval=N() ;}
     break;
 
@@ -2270,7 +2362,7 @@ yyreduce:
     }
 
 /* Line 1010 of yacc.c.  */
-#line 2274 "compile.tab.C"
+#line 2366 "compile.tab.C"
 
   yyvsp -= yylen;
   yyssp -= yylen;
@@ -2495,7 +2587,7 @@ yyreturn:
 }
 
 
-#line 682 "compile.y"
+#line 774 "compile.y"
 
 #endif