--- parser3/src/main/compile.tab.C	2009/05/19 13:47:21	1.132
+++ parser3/src/main/compile.tab.C	2010/10/12 21:59:08	1.153
@@ -132,7 +132,7 @@
 	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 1.132 2009/05/19 13:47:21 misha Exp $
+	$Id: compile.tab.C,v 1.153 2010/10/12 21:59:08 moko Exp $
 */
 
 /**
@@ -162,7 +162,6 @@
 #include "pa_vobject.h"
 #include "pa_vdouble.h"
 #include "pa_globals.h"
-#include "pa_vvoid.h"
 #include "pa_vmethod_frame.h"
 
 // defines
@@ -181,7 +180,7 @@ static int yylex(YYSTYPE* lvalp, void* p
 
 static const VBool vfalse(false);
 static const VBool vtrue(true);
-static const VVoid vvoid;
+static const VString vempty;
 
 // local convinient inplace typecast & var
 #undef PC
@@ -217,7 +216,7 @@ typedef int YYSTYPE;
 
 
 /* Line 214 of yacc.c.  */
-#line 221 "compile.tab.C"
+#line 220 "compile.tab.C"
 
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
@@ -456,24 +455,24 @@ static const short int yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {
-       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,   360,   361,
-     361,   362,   364,   365,   366,   428,   429,   429,   433,   438,
-     439,   440,   441,   458,   463,   466,   467,   468,   470,   473,
-     470,   481,   489,   496,   497,   498,   500,   506,   507,   507,
-     511,   522,   525,   522,   549,   551,   551,   553,   554,   555,
-     557,   560,   557,   563,   564,   566,   567,   570,   571,   574,
-     575,   577,   580,   594,   599,   600,   601,   606,   606,   608,
-     608,   609,   610,   618,   623,   626,   627,   628,   629,   631,
-     635,   644,   647,   644,   655,   660,   660,   661,   667,   668,
-     670,   687,   699,   701,   702,   703,   704,   705,   706,   707,
-     708,   710,   711,   712,   713,   714,   715,   716,   717,   719,
-     720,   721,   722,   723,   724,   725,   726,   727,   728,   729,
-     730,   731,   732,   733,   734,   735,   736,   737,   738,   739,
-     740,   741,   742,   743,   744,   745,   748,   753,   774,   779,
-     780,   781,   783
+       0,   131,   131,   138,   140,   140,   141,   143,   143,   145,
+     252,   252,   253,   253,   254,   255,   255,   257,   257,   305,
+     305,   306,   307,   307,   308,   308,   310,   310,   314,   314,
+     316,   316,   317,   317,   318,   318,   318,   322,   363,   364,
+     364,   365,   367,   368,   369,   422,   423,   423,   427,   440,
+     441,   442,   443,   469,   474,   477,   478,   479,   481,   484,
+     481,   492,   500,   507,   508,   509,   511,   517,   518,   518,
+     522,   534,   537,   534,   582,   584,   584,   586,   587,   588,
+     590,   593,   590,   596,   597,   599,   600,   603,   604,   607,
+     608,   610,   613,   627,   632,   633,   634,   639,   639,   641,
+     641,   642,   643,   651,   656,   659,   660,   661,   662,   664,
+     668,   677,   680,   677,   688,   693,   693,   694,   700,   701,
+     703,   716,   728,   730,   731,   732,   733,   734,   735,   736,
+     737,   739,   740,   741,   742,   743,   744,   745,   746,   748,
+     749,   750,   751,   752,   753,   754,   755,   756,   757,   758,
+     759,   760,   761,   762,   763,   764,   765,   766,   767,   768,
+     769,   770,   771,   772,   773,   774,   777,   782,   803,   808,
+     809,   810,   812
 };
 #endif
 
@@ -516,7 +515,7 @@ static const char *const yytname[] =
   "subvar_ref_name_rdive", "subvar_get_writes", "subvar__get_write",
   "class_prefix", "class_static_prefix", "class_constructor_prefix",
   "expr_value", "expr", "double_or_STRING", "string_inside_quotes_value",
-  "write_string", "void_value", "true_value", "false_value", "empty", 0
+  "write_string", "empty_value", "true_value", "false_value", "empty", 0
 };
 #endif
 
@@ -1428,20 +1427,20 @@ yyreduce:
   switch (yyn)
     {
         case 2:
-#line 132 "compile.y"
+#line 131 "compile.y"
     {
-	Method& method=*new Method(Method::CT_ANY,
+	Method* method=new Method(Method::CT_ANY,
 		0, 0, /*min, max numbered_params_count*/
 		0/*param_names*/, 0/*local_names*/, 
 		yyvsp[0]/*parser_code*/, 0/*native_code*/);
-	PC.cclass->add_method(PC.alias_method(main_method_name), method);
+	PC.cclass->set_method(PC.alias_method(main_method_name), method);
 ;}
     break;
 
   case 9:
-#line 147 "compile.y"
+#line 146 "compile.y"
     {
-	const String& command=*LA2S(*yyvsp[-2]);
+	const String& command=LA2S(*yyvsp[-2])->trim(String::TRIM_END);
 	YYSTYPE strings_code=yyvsp[0];
 	if(strings_code->count()<1*OPERATIONS_PER_OPVALUE) {
 		strcpy(PC.error, "@");
@@ -1452,7 +1451,7 @@ yyreduce:
 	if(command==CLASS_NAME) {
 		if(strings_code->count()==1*OPERATIONS_PER_OPVALUE) {
 			// new class' name
-			const String& name=*LA2S(*strings_code);
+			const String& name=LA2S(*strings_code)->trim(String::TRIM_END);
 			// creating the class
 			VStateless_class* cclass=new VClass;
 			PC.cclass_new=cclass;
@@ -1463,7 +1462,7 @@ yyreduce:
 		}
 	} else if(command==USE_CONTROL_METHOD_NAME) {
 		for(size_t i=0; i<strings_code->count(); i+=OPERATIONS_PER_OPVALUE) 
-			PC.request.use_file(PC.request.main_class, *LA2S(*strings_code, i));
+			PC.request.use_file(PC.request.main_class, LA2S(*strings_code, i)->trim(String::TRIM_END), PC.request.get_used_filename(PC.file_no));
 	} else if(command==BASE_NAME) {
 		if(PC.append){
 			strcpy(PC.error, "can't set base while appending methods to class '");
@@ -1479,8 +1478,8 @@ yyreduce:
 			YYERROR;
 		}
 		if(strings_code->count()==1*OPERATIONS_PER_OPVALUE) {
-			const String& base_name=*LA2S(*strings_code);
-			if(Value* base_class_value=PC.request.classes().get(base_name)) {
+			const String& base_name=LA2S(*strings_code)->trim(String::TRIM_END);
+			if(Value* base_class_value=PC.request.get_class(base_name)) {
 				// @CLASS == @BASE sanity check
 				if(VStateless_class *base_class=base_class_value->get_class()) {
 					if(PC.cclass==base_class) {
@@ -1504,7 +1503,7 @@ yyreduce:
 		}
 	} else if(command==OPTIONS_CONTROL_METHOD_NAME) {
 		for(size_t i=0; i<strings_code->count(); i+=OPERATIONS_PER_OPVALUE) {
-			const String& option=*LA2S(*strings_code, i);
+			const String& option=LA2S(*strings_code, i)->trim(String::TRIM_END);
 			if(option==OPTION_ALL_VARS_LOCAL_NAME){
 				PC.set_all_vars_local();
 			} else if(option==OPTION_PARTIAL_CLASS){
@@ -1517,18 +1516,24 @@ yyreduce:
 							YYERROR;
 						}
 					} else {
-						// mark new class as partial. we can add methods to it later.
+						// marks the new class as partial. we will be able to add methods here later.
 						PC.cclass_new->set_partial();
 					}
 				} else {
 					strcpy(PC.error, "'"OPTION_PARTIAL_CLASS"' option should be used straight after @"CLASS_NAME);
 					YYERROR;
 				}
+			} else if(option==method_call_type_static){
+				PC.set_methods_call_type(Method::CT_STATIC);
+			} else if(option==method_call_type_dynamic){
+				PC.set_methods_call_type(Method::CT_DYNAMIC);
 			} else {
 				strcpy(PC.error, "'");
 				strncat(PC.error, option.cstr(), MAX_STRING/2);
 				strcat(PC.error, "' invalid option. valid options are "
-					"'"OPTION_PARTIAL_CLASS"' and '"OPTION_ALL_VARS_LOCAL_NAME"'");
+					"'"OPTION_PARTIAL_CLASS"', '"OPTION_ALL_VARS_LOCAL_NAME"'"
+					", '"METHOD_CALL_TYPE_STATIC"' and '"METHOD_CALL_TYPE_DYNAMIC"'"
+					);
 				YYERROR;
 			}
 		}
@@ -1543,12 +1548,12 @@ yyreduce:
     break;
 
   case 13:
-#line 248 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 253 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 17:
-#line 252 "compile.y"
+#line 257 "compile.y"
     { 
 	PC.class_add();
 	PC.explicit_result=false;
@@ -1581,153 +1586,142 @@ yyreduce:
 
 	Method* method=new Method(
 		//name, 
-		Method::CT_ANY,
+		GetMethodCallType(PC, *yyvsp[-4]),
 		0, 0/*min,max numbered_params_count*/, 
 		params_names, locals_names, 
 		0/*to be filled later in next {} */, 0, all_vars_local);
 
 	*reinterpret_cast<Method**>(&yyval)=method;
-
-	// todo: check [][;result;]
 ;}
     break;
 
   case 18:
-#line 292 "compile.y"
+#line 295 "compile.y"
     {
-		Method& method=*reinterpret_cast<Method*>(yyvsp[-1]);
+		Method* method=reinterpret_cast<Method*>(yyvsp[-1]);
 		// fill in the code
-		method.parser_code=yyvsp[0];
+		method->parser_code=yyvsp[0];
 
 		// register in class
 		const String& name=*LA2S(*yyvsp[-6]);
-		PC.cclass->add_method(PC.alias_method(name), method);
+		PC.cclass->set_method(PC.alias_method(name), method);
 ;}
     break;
 
   case 21:
-#line 303 "compile.y"
-    {yyval=yyvsp[-1];}
+#line 306 "compile.y"
+    {yyval=yyvsp[-1];;}
     break;
 
   case 25:
-#line 305 "compile.y"
-    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
+#line 308 "compile.y"
+    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 31:
-#line 313 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 316 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 37:
-#line 319 "compile.y"
+#line 322 "compile.y"
     {
 	yyval=N();
 	YYSTYPE code=yyvsp[0];
+	size_t count=code->count();
+
 #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
-	if(!maybe_change_first_opcode(*code, OP::OP_VALUE__GET_ELEMENT, /*=>*/OP::OP_VALUE__GET_ELEMENT__WRITE))
+	if(
+		count!=3
+		|| !maybe_change_first_opcode(*code, OP::OP_VALUE__GET_ELEMENT, /*=>*/OP::OP_VALUE__GET_ELEMENT__WRITE)
+	)
 #endif
-		{
-			size_t count=code->count();
-#ifdef OPTIMIZE_BYTECODE_USE_TWO_OPERANDS_INSTRUCTIONS
-			size_t len=6;
-#else
-			size_t len=7;
+
+#ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT
+	if(
+		count!=3
+		|| !maybe_change_first_opcode(*code, OP::OP_WITH_SELF__VALUE__GET_ELEMENT, /*=>*/OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE)
+	)
 #endif
 
 #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
-			if(
-				count==len
-				&& maybe_change_first_opcode(*code, OP::OP_GET_OBJECT_ELEMENT, OP::OP_GET_ELEMENT, /*=>*/OP::OP_GET_OBJECT_ELEMENT__WRITE)
-			){
-				//P(*$$, *code, 0/*offset*/, count-1/*limit*/); // someday skip last OP_GET_ELEMENT
-				//break;
-			} else
+	if(
+		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(
-				count==len
-				&& maybe_change_first_opcode(*code, OP::OP_GET_OBJECT_VAR_ELEMENT, OP::OP_GET_ELEMENT, /*=>*/OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE)
-			){
-				//P(*$$, *code, 0/*offset*/, count-1/*limit*/); // someday skip last OP_GET_ELEMENT
-				//break;
-			} else
+	if(
+		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) */
+	}
 
-				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 360 "compile.y"
-    { yyval=yyvsp[0] ;}
+#line 363 "compile.y"
+    { yyval=yyvsp[0]; ;}
     break;
 
   case 41:
-#line 362 "compile.y"
-    { yyval=yyvsp[-1] ;}
+#line 365 "compile.y"
+    { yyval=yyvsp[-1]; ;}
     break;
 
   case 44:
-#line 366 "compile.y"
+#line 369 "compile.y"
     {
 	yyval=N(); 
 	YYSTYPE diving_code=yyvsp[0];
-	const String* first_name=LA2S(*diving_code);
 	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... */
-			count>=4?4/*OP_VALUE+origin+string+OP_GET_ELEMENTx*/:3/*OP::OP_+origin+string*/);
-	}
 
+	if(maybe_make_self(*yyval, *diving_code, count)) {
+		// $self.
+	} else
 
 #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT
-	else if(
-		count==8
-		&& append_2ops_opcode(*yyval, *diving_code, OP::OP_GET_OBJECT_ELEMENT, 5/*offset to next [OP_VALUE+]origin+value*/)
-	){
-		// optimisation for $object.field + ^object.method[
-		// OP_VALUE+origin+value+OP_GET_ELEMENT+OP_VALUE+origin+value+OP_GET_ELEMENT => OP_GET_OBJECT_ELEMENT+origin+value+[OP_VALUE]+origin+value+OP_GET_ELEMENT
-	}
+	if(maybe_make_get_object_element(*yyval, *diving_code, count)){
+		// optimization for $object.field + ^object.method[
+	} else
 #endif
 
-
 #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT
-	else if(
-		count==10
-		&& append_2ops_opcode(*yyval, *diving_code, OP::OP_GET_OBJECT_VAR_ELEMENT, 6/*offset to next [OP_VALUE+]origin+value*/) 
-	){
-		// optimisation for $object.$var
-		// OP_VALUE+origin+value+OP_GET_ELEMENT+OP_WITH_READ+OP_VALUE+origin+value+OP_GET_ELEMENT+OP_GET_ELEMENT => OP_GET_OBJECT_VAR_ELEMENT+origin+value+[OP_VALUE]+origin+value+OP_GET_ELEMENT
-	}
+	if(maybe_make_get_object_var_element(*yyval, *diving_code, count)){
+		// optimization for $object.$var
+	} else
 #endif
 
-
 #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
-	else if(count==4){ // optimization
+	if(
+		count>=4
+		&& (*diving_code)[0].code==OP::OP_VALUE
+		&& (*diving_code)[3].code==OP::OP_GET_ELEMENT
+	){
+		 // optimization
 		O(*yyval,
-			(PC.in_call_value)
+			(PC.in_call_value && count==4)
 			? 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
+		if(count>4)
+			P(*yyval, *diving_code, 4); // copy tail
 	} 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 OP_ELEMENT => ^if OP_ELEMENT_OR_OPERATOR
@@ -1742,37 +1736,54 @@ yyreduce:
     break;
 
   case 45:
-#line 428 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 422 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 47:
-#line 429 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 423 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 48:
-#line 433 "compile.y"
+#line 427 "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], $self.a[value], $self.a(expr)
+	} else 
+#endif
+	{
+		P(*yyval, *yyvsp[-1]); /* stack: context,name */
+		P(*yyval, *yyvsp[0]); /* stack: context,name,constructor_value */
+	}
 ;}
     break;
 
   case 52:
-#line 441 "compile.y"
+#line 443 "compile.y"
     {
 	yyval=N();
 	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+...
-	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*/);
-	} else {
+	size_t count=diving_code->count();
+
+	if(maybe_make_self(*yyval, *diving_code, count)) {
+		// $self.
+	} else
+#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT
+	if(
+		count>=4
+		&& (*diving_code)[0].code==OP::OP_VALUE
+		&& (*diving_code)[3].code==OP::OP_GET_ELEMENT
+	){
+		O(*yyval, OP::OP_WITH_ROOT__VALUE__GET_ELEMENT);
+		P(*yyval, *diving_code, 1/*offset*/, 2/*limit*/); // copy origin+value
+		if(count>4)
+			P(*yyval, *diving_code, 4); // tail
+	} else
+#endif
+	{
 		O(*yyval, OP::OP_WITH_ROOT); /* stack: starting context */
 		P(*yyval, *diving_code);
 	}
@@ -1781,7 +1792,7 @@ yyreduce:
     break;
 
   case 53:
-#line 458 "compile.y"
+#line 469 "compile.y"
     {
 	yyval=N(); 
 	O(*yyval, OP::OP_WITH_WRITE); /* stack: starting context */
@@ -1790,12 +1801,12 @@ yyreduce:
     break;
 
   case 54:
-#line 463 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 474 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 58:
-#line 470 "compile.y"
+#line 481 "compile.y"
     {
 	// allow $result_or_other_variable[ letters here any time ]
 	*reinterpret_cast<bool*>(&yyval)=PC.explicit_result; PC.explicit_result=false;
@@ -1803,14 +1814,14 @@ yyreduce:
     break;
 
   case 59:
-#line 473 "compile.y"
+#line 484 "compile.y"
     {
 	PC.explicit_result=*reinterpret_cast<bool*>(&yyvsp[-1]);
 ;}
     break;
 
   case 60:
-#line 475 "compile.y"
+#line 486 "compile.y"
     {
 	// stack: context, name
 	yyval=yyvsp[-2]; // stack: context, name, value
@@ -1819,7 +1830,7 @@ yyreduce:
     break;
 
   case 61:
-#line 481 "compile.y"
+#line 492 "compile.y"
     { 
 	yyval=N(); 
 	O(*yyval, OP::OP_PREPARE_TO_EXPRESSION);
@@ -1830,7 +1841,7 @@ yyreduce:
     break;
 
   case 62:
-#line 489 "compile.y"
+#line 500 "compile.y"
     {
 	// stack: context, name
 	yyval=N(); 
@@ -1839,7 +1850,7 @@ yyreduce:
     break;
 
   case 66:
-#line 500 "compile.y"
+#line 511 "compile.y"
     {
 	yyval=N(); 
 	OA(*yyval, OP::OP_OBJECT_POOL, yyvsp[0]); /* stack: empty write context */
@@ -1849,70 +1860,92 @@ yyreduce:
     break;
 
   case 69:
-#line 507 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 518 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 70:
-#line 511 "compile.y"
+#line 522 "compile.y"
     {
 #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) */
+		if(!maybe_change_first_opcode(*yyval, OP::OP_CONSTRUCT_OBJECT, /*=>*/OP::OP_CONSTRUCT_OBJECT__WRITE))
+			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 522 "compile.y"
+#line 534 "compile.y"
     { 
 					PC.in_call_value=true; 
 			;}
     break;
 
   case 72:
-#line 525 "compile.y"
+#line 537 "compile.y"
     {
 				PC.in_call_value=false;
 			;}
     break;
 
   case 73:
-#line 528 "compile.y"
+#line 540 "compile.y"
     { /* ^field.$method{vasya} */
 #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);
-	if(operator_name && *operator_name == REM_OPERATOR_NAME){
+#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()==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.
+					if(const String * string=value->get_string())
+						if(string->is_empty()) // value is empty string?
+							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 var_code=yyvsp[-3];
+			if(
+				var_code->count()==8
+				&& (*var_code)[0].code==OP::OP_VALUE__GET_CLASS
+				&& (*var_code)[3].code==OP::OP_PREPARE_TO_CONSTRUCT_OBJECT
+				&& (*var_code)[4].code==OP::OP_VALUE
+				&& (*var_code)[7].code==OP::OP_GET_ELEMENT
+			){
+				yyval=N();
+				O(*yyval, OP::OP_CONSTRUCT_OBJECT);
+				P(*yyval, *var_code, 1/*offset*/, 2/*limit*/); // class name
+				P(*yyval, *var_code, 5/*offset*/, 2/*limit*/); // constructor name
+				OA(*yyval, params_code);
+			} else 
+				{
+					yyval=var_code; /* with_xxx,diving code; 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 551 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 584 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 80:
-#line 557 "compile.y"
+#line 590 "compile.y"
     {
 	// allow ^call[ letters here any time ]
 	*reinterpret_cast<bool*>(&yyval)=PC.explicit_result; PC.explicit_result=false;
@@ -1920,51 +1953,51 @@ yyreduce:
     break;
 
   case 81:
-#line 560 "compile.y"
+#line 593 "compile.y"
     {
 	PC.explicit_result=*reinterpret_cast<bool*>(&yyvsp[-1]);
 ;}
     break;
 
   case 82:
-#line 562 "compile.y"
-    {yyval=yyvsp[-2];}
+#line 595 "compile.y"
+    {yyval=yyvsp[-2];;}
     break;
 
   case 83:
-#line 563 "compile.y"
-    {yyval=yyvsp[-1];}
+#line 596 "compile.y"
+    {yyval=yyvsp[-1];;}
     break;
 
   case 84:
-#line 564 "compile.y"
-    {yyval=yyvsp[-1];}
+#line 597 "compile.y"
+    {yyval=yyvsp[-1];;}
     break;
 
   case 86:
-#line 567 "compile.y"
-    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
+#line 600 "compile.y"
+    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 88:
-#line 571 "compile.y"
-    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
+#line 604 "compile.y"
+    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 90:
-#line 575 "compile.y"
-    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]) ;}
+#line 608 "compile.y"
+    { yyval=yyvsp[-2]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 91:
-#line 577 "compile.y"
+#line 610 "compile.y"
     {
 	yyval=yyvsp[0];
 ;}
     break;
 
   case 92:
-#line 580 "compile.y"
+#line 613 "compile.y"
     {
 	YYSTYPE expr_code=yyvsp[0];
 	if(expr_code->count()==3
@@ -1982,7 +2015,7 @@ yyreduce:
     break;
 
   case 93:
-#line 594 "compile.y"
+#line 627 "compile.y"
     {
 	yyval=N(); 
 	OA(*yyval, OP::OP_CURLY_CODE__STORE_PARAM, yyvsp[0]);
@@ -1990,17 +2023,17 @@ yyreduce:
     break;
 
   case 98:
-#line 606 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 639 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 100:
-#line 608 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 641 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 102:
-#line 610 "compile.y"
+#line 643 "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
@@ -2012,7 +2045,7 @@ yyreduce:
     break;
 
   case 103:
-#line 618 "compile.y"
+#line 651 "compile.y"
     {
 	/* stack: context */
 	yyval=yyvsp[0]; /* stack: context,name */
@@ -2021,7 +2054,7 @@ yyreduce:
     break;
 
   case 109:
-#line 631 "compile.y"
+#line 664 "compile.y"
     {
 	yyval=yyvsp[0];
 	O(*yyval, OP::OP_GET_ELEMENT);
@@ -2029,7 +2062,7 @@ yyreduce:
     break;
 
   case 110:
-#line 635 "compile.y"
+#line 668 "compile.y"
     {
 	YYSTYPE code;
 	{
@@ -2042,7 +2075,7 @@ yyreduce:
     break;
 
   case 111:
-#line 644 "compile.y"
+#line 677 "compile.y"
     {
 	// allow $result_or_other_variable[ letters here any time ]
 	*reinterpret_cast<bool*>(&yyval)=PC.explicit_result; PC.explicit_result=false;
@@ -2050,14 +2083,14 @@ yyreduce:
     break;
 
   case 112:
-#line 647 "compile.y"
+#line 680 "compile.y"
     {
 	PC.explicit_result=*reinterpret_cast<bool*>(&yyvsp[-1]);
 ;}
     break;
 
   case 113:
-#line 649 "compile.y"
+#line 682 "compile.y"
     {
 	yyval=N(); 
 	OA(*yyval, OP::OP_OBJECT_POOL, yyvsp[-2]); /* stack: empty write context */
@@ -2067,7 +2100,7 @@ yyreduce:
     break;
 
   case 114:
-#line 655 "compile.y"
+#line 688 "compile.y"
     {
 	yyval=N(); 
 	O(*yyval, OP::OP_WITH_READ);
@@ -2076,12 +2109,12 @@ yyreduce:
     break;
 
   case 116:
-#line 660 "compile.y"
-    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]) ;}
+#line 693 "compile.y"
+    { yyval=yyvsp[-1]; P(*yyval, *yyvsp[0]); ;}
     break;
 
   case 117:
-#line 661 "compile.y"
+#line 694 "compile.y"
     {
 	yyval=yyvsp[0];
 	O(*yyval, OP::OP_GET_ELEMENT__WRITE);
@@ -2089,7 +2122,7 @@ yyreduce:
     break;
 
   case 120:
-#line 670 "compile.y"
+#line 703 "compile.y"
     {
 	yyval=yyvsp[-1]; // stack: class name string
 	if(*LA2S(*yyval) == BASE_NAME) { // pseudo BASE class
@@ -2100,17 +2133,13 @@ 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
+	maybe_change_first_opcode(*yyval, OP::OP_VALUE, OP::OP_VALUE__GET_CLASS);
 ;}
     break;
 
   case 121:
-#line 687 "compile.y"
+#line 716 "compile.y"
     {
 	yyval=yyvsp[-1];
 	if(!PC.in_call_value) {
@@ -2122,197 +2151,197 @@ yyreduce:
     break;
 
   case 128:
-#line 706 "compile.y"
-    { yyval = yyvsp[-1] ;}
+#line 735 "compile.y"
+    { yyval = yyvsp[-1]; ;}
     break;
 
   case 129:
-#line 707 "compile.y"
-    { yyval = yyvsp[-1] ;}
+#line 736 "compile.y"
+    { yyval = yyvsp[-1]; ;}
     break;
 
   case 130:
-#line 708 "compile.y"
+#line 737 "compile.y"
     { yyval = yyvsp[-1]; ;}
     break;
 
   case 131:
-#line 710 "compile.y"
-    { yyval=yyvsp[0];  O(*yyval, OP::OP_NEG) ;}
+#line 739 "compile.y"
+    { yyval=yyvsp[0];  O(*yyval, OP::OP_NEG); ;}
     break;
 
   case 132:
-#line 711 "compile.y"
-    { yyval=yyvsp[0] ;}
+#line 740 "compile.y"
+    { yyval=yyvsp[0]; ;}
     break;
 
   case 133:
-#line 712 "compile.y"
-    { yyval=yyvsp[0];	 O(*yyval, OP::OP_INV) ;}
+#line 741 "compile.y"
+    { yyval=yyvsp[0];	 O(*yyval, OP::OP_INV); ;}
     break;
 
   case 134:
-#line 713 "compile.y"
-    { yyval=yyvsp[0];  O(*yyval, OP::OP_NOT) ;}
+#line 742 "compile.y"
+    { yyval=yyvsp[0];  O(*yyval, OP::OP_NOT); ;}
     break;
 
   case 135:
-#line 714 "compile.y"
-    { yyval=yyvsp[0];  O(*yyval, OP::OP_DEF) ;}
+#line 743 "compile.y"
+    { yyval=yyvsp[0];  O(*yyval, OP::OP_DEF); ;}
     break;
 
   case 136:
-#line 715 "compile.y"
-    { yyval=yyvsp[0];  O(*yyval, OP::OP_IN) ;}
+#line 744 "compile.y"
+    { yyval=yyvsp[0];  O(*yyval, OP::OP_IN); ;}
     break;
 
   case 137:
-#line 716 "compile.y"
-    { yyval=yyvsp[0];  O(*yyval, OP::OP_FEXISTS) ;}
+#line 745 "compile.y"
+    { yyval=yyvsp[0];  O(*yyval, OP::OP_FEXISTS); ;}
     break;
 
   case 138:
-#line 717 "compile.y"
-    { yyval=yyvsp[0];  O(*yyval, OP::OP_DEXISTS) ;}
+#line 746 "compile.y"
+    { yyval=yyvsp[0];  O(*yyval, OP::OP_DEXISTS); ;}
     break;
 
   case 139:
-#line 719 "compile.y"
-    {	yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_SUB) ;}
+#line 748 "compile.y"
+    {	yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_SUB); ;}
     break;
 
   case 140:
-#line 720 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_ADD) ;}
+#line 749 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_ADD); ;}
     break;
 
   case 141:
-#line 721 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_MUL) ;}
+#line 750 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_MUL); ;}
     break;
 
   case 142:
-#line 722 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_DIV) ;}
+#line 751 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_DIV); ;}
     break;
 
   case 143:
-#line 723 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_MOD) ;}
+#line 752 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_MOD); ;}
     break;
 
   case 144:
-#line 724 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_INTDIV) ;}
+#line 753 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_INTDIV); ;}
     break;
 
   case 145:
-#line 725 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_SL) ;}
+#line 754 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_SL); ;}
     break;
 
   case 146:
-#line 726 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_SR) ;}
+#line 755 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_SR); ;}
     break;
 
   case 147:
-#line 727 "compile.y"
-    { yyval=yyvsp[-2]; 	P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_AND) ;}
+#line 756 "compile.y"
+    { yyval=yyvsp[-2]; 	P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_AND); ;}
     break;
 
   case 148:
-#line 728 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_OR) ;}
+#line 757 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_OR); ;}
     break;
 
   case 149:
-#line 729 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_XOR) ;}
+#line 758 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_BIN_XOR); ;}
     break;
 
   case 150:
-#line 730 "compile.y"
-    { yyval=yyvsp[-2];  OA(*yyval, OP::OP_NESTED_CODE, yyvsp[0]);  O(*yyval, OP::OP_LOG_AND) ;}
+#line 759 "compile.y"
+    { yyval=yyvsp[-2];  OA(*yyval, OP::OP_NESTED_CODE, yyvsp[0]);  O(*yyval, OP::OP_LOG_AND); ;}
     break;
 
   case 151:
-#line 731 "compile.y"
-    { yyval=yyvsp[-2];  OA(*yyval, OP::OP_NESTED_CODE, yyvsp[0]);  O(*yyval, OP::OP_LOG_OR) ;}
+#line 760 "compile.y"
+    { yyval=yyvsp[-2];  OA(*yyval, OP::OP_NESTED_CODE, yyvsp[0]);  O(*yyval, OP::OP_LOG_OR); ;}
     break;
 
   case 152:
-#line 732 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_LOG_XOR) ;}
+#line 761 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_LOG_XOR); ;}
     break;
 
   case 153:
-#line 733 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_LT) ;}
+#line 762 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_LT); ;}
     break;
 
   case 154:
-#line 734 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_GT) ;}
+#line 763 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_GT); ;}
     break;
 
   case 155:
-#line 735 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_LE) ;}
+#line 764 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_LE); ;}
     break;
 
   case 156:
-#line 736 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_GE) ;}
+#line 765 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_GE); ;}
     break;
 
   case 157:
-#line 737 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_EQ) ;}
+#line 766 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_EQ); ;}
     break;
 
   case 158:
-#line 738 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_NE) ;}
+#line 767 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_NUM_NE); ;}
     break;
 
   case 159:
-#line 739 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_LT) ;}
+#line 768 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_LT); ;}
     break;
 
   case 160:
-#line 740 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_GT) ;}
+#line 769 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_GT); ;}
     break;
 
   case 161:
-#line 741 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_LE) ;}
+#line 770 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_LE); ;}
     break;
 
   case 162:
-#line 742 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_GE) ;}
+#line 771 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_GE); ;}
     break;
 
   case 163:
-#line 743 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_EQ) ;}
+#line 772 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_EQ); ;}
     break;
 
   case 164:
-#line 744 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_NE) ;}
+#line 773 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_STR_NE); ;}
     break;
 
   case 165:
-#line 745 "compile.y"
-    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_IS) ;}
+#line 774 "compile.y"
+    { yyval=yyvsp[-2];  P(*yyval, *yyvsp[0]);  O(*yyval, OP::OP_IS); ;}
     break;
 
   case 166:
-#line 748 "compile.y"
+#line 777 "compile.y"
     {
 	// optimized OP_STRING => OP_VALUE for doubles
 	maybe_change_string_literal_to_double_literal(*(yyval=yyvsp[0]));
@@ -2320,7 +2349,7 @@ yyreduce:
     break;
 
   case 167:
-#line 753 "compile.y"
+#line 782 "compile.y"
     {
 #ifdef OPTIMIZE_BYTECODE_STRING_POOL
 	// it brakes ^if(" 09 "){...}
@@ -2342,38 +2371,38 @@ yyreduce:
     break;
 
   case 168:
-#line 774 "compile.y"
+#line 803 "compile.y"
     {
 	// optimized OP_STRING+OP_WRITE_VALUE => OP_STRING__WRITE
-	change_string_literal_to_write_string_literal(*(yyval=yyvsp[0]))
+	change_string_literal_to_write_string_literal(*(yyval=yyvsp[0]));
 ;}
     break;
 
   case 169:
-#line 779 "compile.y"
-    { yyval=VL(/*we know that we will not change it*/const_cast<VVoid*>(&vvoid), 0, 0, 0) ;}
+#line 808 "compile.y"
+    { yyval=VL(/*we know that we will not change it*/const_cast<VString*>(&vempty), 0, 0, 0); ;}
     break;
 
   case 170:
-#line 780 "compile.y"
-    { yyval = VL(/*we know that we will not change it*/const_cast<VBool*>(&vtrue), 0, 0, 0) ;}
+#line 809 "compile.y"
+    { yyval = VL(/*we know that we will not change it*/const_cast<VBool*>(&vtrue), 0, 0, 0); ;}
     break;
 
   case 171:
-#line 781 "compile.y"
-    { yyval = VL(/*we know that we will not change it*/const_cast<VBool*>(&vfalse), 0, 0, 0) ;}
+#line 810 "compile.y"
+    { yyval = VL(/*we know that we will not change it*/const_cast<VBool*>(&vfalse), 0, 0, 0); ;}
     break;
 
   case 172:
-#line 783 "compile.y"
-    { yyval=N() ;}
+#line 812 "compile.y"
+    { yyval=N(); ;}
     break;
 
 
     }
 
 /* Line 1010 of yacc.c.  */
-#line 2377 "compile.tab.C"
+#line 2406 "compile.tab.C"
 
   yyvsp -= yylen;
   yyssp -= yylen;
@@ -2598,7 +2627,7 @@ yyreturn:
 }
 
 
-#line 785 "compile.y"
+#line 814 "compile.y"
 
 #endif
 
@@ -3138,7 +3167,7 @@ default:
 			case ']': case '}': case ')': 
 			case '"': case '\'':
 			case '<': case '>':  // these stand for HTML brackets AND expression binary ops
-			case '+': case '*': case '/': case '%': 
+			case '+': case '*': case '/': case '\\': case '%': 
 			case '&': case '|': 
 			case '=': case '!':
 			// common delimiters
@@ -3368,12 +3397,9 @@ default:
 
 break2:
 	if(end!=begin) { // there is last piece?
-		if((c=='@' || c==0) && end[-1]=='\n') { // we are before LS_DEF_NAME or EOF?
-			// strip last \n
-			end--;
-			if(end!=begin && end[-1]=='\n') // allow one empty line before LS_DEF_NAME
+		if(c=='@' || c==0) // we are before LS_DEF_NAME or EOF?
+			while(end!=begin && end[-1]=='\n') // trim all empty lines before LS_DEF_NAME and EOF
 				end--;
-		}
 		if(end!=begin && pc.ls!=LS_USER_COMMENT) { // last piece still alive and not comment?
 			if(!pc.string_start)
 				pc.string_start=begin_pos;