--- parser3/src/main/compile.y	2005/11/16 14:45:22	1.215
+++ parser3/src/main/compile.y	2005/12/16 14:04:20	1.219
@@ -4,6 +4,8 @@
 
 	Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
 	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
+
+	$Id: compile.y,v 1.219 2005/12/16 14:04:20 paf Exp $
 */
 
 /**
@@ -46,6 +48,10 @@ static int real_yyerror(Parse_control* p
 static void yyprint(FILE* file, int type, YYSTYPE value);
 static int yylex(YYSTYPE* lvalp, void* pc);
 
+static const VBool vfalse(false);
+static const VBool vtrue(true);
+static const VVoid vvoid;
+
 // local convinient inplace typecast & var
 #undef PC
 #define PC  (*(Parse_control *)pc)
@@ -91,6 +97,9 @@ static int yylex(YYSTYPE* lvalp, void* p
 %token DEXISTS "-d"
 %token IS "is"
 
+%token LITERAL_TRUE "true"
+%token LITERAL_FALSE "false"
+
 /* logical */
 %left "!||"
 %left "||"
@@ -400,7 +409,7 @@ call_value: '^' {
 	YYSTYPE params_code=$5;
 	if(params_code->count()==4) { // probably [] case. [OP_VALUE+origin+Void+STORE_PARAM]
 		if(Value* value=LA2V(*params_code)) // it is OP_VALUE+origin+value?
-			if(!value->is_defined()) // value is VVoid?
+			if(value->is_void()) // value is VVoid?
 				params_code=0; // ^zzz[] case. don't append lone empty param.
 	}
 	/* stack: context, method_junction */
@@ -442,7 +451,7 @@ store_code_param_part: code_param_value
 store_expr_param_part: expr_value {
 	YYSTYPE expr_code=$1;
 	if(expr_code->count()==3
-		&& (*expr_code)[0].code==OP_VALUE) { // optimizing (double) case. [OP_VALUE+origin+Double]
+		&& (*expr_code)[0].code==OP_VALUE) { // optimizing (double/bool/incidently 'string' too) case. [OP_VALUE+origin+Double]
 		$$=expr_code; 
 		O(*$$, OP_STORE_PARAM); // no evaluating
 	} else {
@@ -557,10 +566,12 @@ class_constructor_prefix: class_static_p
 expr_value: expr;
 expr: 
 	double_or_STRING
+|   true_value
+|   false_value
 |	get_value
 |	call_value
-|	'"' string_inside_quotes_value '"' { $$ = $2; }
-|	'\'' string_inside_quotes_value '\'' { $$ = $2; }
+|	'"' string_inside_quotes_value '"' { $$ = $2 }
+|	'\'' string_inside_quotes_value '\'' { $$ = $2 }
 |	'(' expr ')' { $$ = $2; }
 /* stack: operand // stack: @operand */
 |	'-' expr %prec NUNARY { $$=$2;  O(*$$, OP_NEG) }
@@ -620,7 +631,10 @@ write_string: STRING {
 	change_string_literal_to_write_string_literal(*($$=$1))
 };
 
-void_value: /* empty */ { $$=VL(new VVoid(), 0, 0, 0) };
+void_value: /* empty */ { $$=VL(/*we know that we will not change it*/const_cast<VVoid*>(&vvoid), 0, 0, 0) }
+true_value: "true" { $$ = VL(/*we know that we will not change it*/const_cast<VBool*>(&vtrue), 0, 0, 0) }
+false_value: "false" { $$ = VL(/*we know that we will not change it*/const_cast<VBool*>(&vfalse), 0, 0, 0) }
+
 empty: /* empty */ { $$=N() };
 
 %%
@@ -744,9 +758,9 @@ default:
 				}
 				// #HH ?
 				if(pc.source[0]=='#' && pc.source[1] && pc.source[2]) {
-					char c=
+					char c=(char)(
 						hex_value[(unsigned char)pc.source[1]]*0x10+
-						hex_value[(unsigned char)pc.source[2]];
+						hex_value[(unsigned char)pc.source[2]]);
 					if(c==0) {
 						result=BAD_HEX_LITERAL;
 						goto break2; // wrong hex value[no ^#00 chars allowed]: bail out
@@ -1064,6 +1078,22 @@ default:
 						goto break2;
 					}
 				break;
+			case 't':
+				if(end==begin) // right after whitespace
+					if(pc.source[0]=='r' && pc.source[1]=='u' && pc.source[2]=='e') { // def
+						skip_analized=3;
+						result=LITERAL_TRUE;
+						goto break2;
+					}
+				break;
+			case 'f':
+				if(end==begin) // right after whitespace
+					if(pc.source[0]=='a' && pc.source[1]=='l' && pc.source[2]=='s' && pc.source[3]=='e') { // def
+						skip_analized=4;
+						result=LITERAL_FALSE;
+						goto break2;
+					}
+				break;
 			case ' ': case '\t': case '\n':
 				if(end!=begin) { // there were a string after previous operator?
 					result=0; // return that string