diff --git a/parser.go b/parser.go
index 8eeecae..3589029 100644
--- a/parser.go
+++ b/parser.go
@@ -365,16 +365,12 @@ const yyEofCode = 1
 const yyErrCode = 2
 const yyInitialStackSize = 16
 
-//line parser.y:506
+//line parser.y:514
 const src = `<?
 
-if ($a > $b) : 
-    $b=$c;
-elseif ($a === $b) :
+do {
 
-else :
-
-endif;
+} while ($a >= $b || $a < $c);
 
 `
 
@@ -390,30 +386,9 @@ var yyExca = [...]int{
 	-1, 1,
 	1, -1,
 	-2, 0,
-	-1, 72,
+	-1, 73,
 	159, 46,
-	-2, 207,
-	-1, 244,
-	38, 0,
-	39, 0,
-	40, 0,
-	41, 0,
-	42, 0,
-	-2, 179,
-	-1, 245,
-	38, 0,
-	39, 0,
-	40, 0,
-	41, 0,
-	42, 0,
-	-2, 180,
-	-1, 246,
-	38, 0,
-	39, 0,
-	40, 0,
-	41, 0,
-	42, 0,
-	-2, 181,
+	-2, 210,
 	-1, 247,
 	38, 0,
 	39, 0,
@@ -429,22 +404,25 @@ var yyExca = [...]int{
 	42, 0,
 	-2, 183,
 	-1, 249,
-	43, 0,
-	44, 0,
-	45, 0,
-	46, 0,
+	38, 0,
+	39, 0,
+	40, 0,
+	41, 0,
+	42, 0,
 	-2, 184,
 	-1, 250,
-	43, 0,
-	44, 0,
-	45, 0,
-	46, 0,
+	38, 0,
+	39, 0,
+	40, 0,
+	41, 0,
+	42, 0,
 	-2, 185,
 	-1, 251,
-	43, 0,
-	44, 0,
-	45, 0,
-	46, 0,
+	38, 0,
+	39, 0,
+	40, 0,
+	41, 0,
+	42, 0,
 	-2, 186,
 	-1, 252,
 	43, 0,
@@ -452,279 +430,315 @@ var yyExca = [...]int{
 	45, 0,
 	46, 0,
 	-2, 187,
-	-1, 288,
-	163, 117,
-	-2, 122,
+	-1, 253,
+	43, 0,
+	44, 0,
+	45, 0,
+	46, 0,
+	-2, 188,
+	-1, 254,
+	43, 0,
+	44, 0,
+	45, 0,
+	46, 0,
+	-2, 189,
+	-1, 255,
+	43, 0,
+	44, 0,
+	45, 0,
+	46, 0,
+	-2, 190,
+	-1, 292,
+	163, 120,
+	-2, 125,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 1995
+const yyLast = 2170
 
 var yyAct = [...]int{
 
-	13, 134, 306, 304, 312, 307, 322, 54, 308, 288,
-	285, 261, 131, 259, 202, 200, 191, 315, 290, 341,
-	223, 289, 258, 4, 51, 192, 333, 51, 195, 196,
-	197, 198, 199, 135, 201, 331, 203, 204, 205, 206,
-	207, 208, 209, 210, 211, 212, 213, 214, 215, 262,
-	219, 218, 133, 338, 140, 142, 141, 328, 220, 48,
-	49, 226, 343, 133, 133, 192, 284, 54, 201, 257,
-	203, 204, 213, 214, 164, 256, 165, 138, 139, 143,
-	145, 144, 157, 158, 155, 156, 159, 160, 161, 162,
-	163, 153, 154, 147, 148, 146, 149, 151, 152, 216,
-	52, 310, 311, 52, 170, 173, 175, 174, 171, 172,
-	168, 150, 150, 310, 311, 149, 151, 152, 325, 167,
-	314, 335, 330, 313, 263, 345, 323, 224, 56, 57,
-	5, 150, 314, 225, 1, 313, 8, 54, 50, 227,
-	228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
-	238, 239, 240, 241, 242, 243, 244, 245, 246, 247,
-	248, 249, 250, 251, 252, 253, 255, 11, 18, 153,
-	154, 147, 148, 146, 149, 151, 152, 264, 266, 267,
-	268, 269, 270, 271, 272, 273, 274, 275, 276, 277,
-	150, 217, 278, 260, 147, 148, 146, 149, 151, 152,
-	19, 280, 21, 281, 10, 17, 23, 321, 20, 140,
-	142, 141, 303, 150, 302, 334, 305, 283, 169, 15,
-	221, 2, 309, 132, 3, 53, 193, 194, 166, 164,
-	337, 165, 138, 139, 143, 145, 144, 157, 158, 155,
-	156, 159, 160, 161, 162, 163, 153, 154, 147, 148,
-	146, 149, 151, 152, 324, 287, 0, 0, 0, 0,
-	291, 0, 292, 0, 0, 293, 294, 150, 160, 161,
-	162, 163, 153, 154, 147, 148, 146, 149, 151, 152,
-	0, 0, 0, 298, 0, 0, 300, 301, 0, 0,
-	0, 0, 0, 150, 0, 0, 66, 67, 68, 69,
-	70, 0, 73, 74, 75, 71, 72, 0, 47, 0,
-	0, 0, 0, 0, 326, 0, 319, 0, 327, 0,
-	0, 0, 332, 0, 0, 0, 0, 336, 0, 0,
-	0, 0, 340, 339, 0, 0, 0, 329, 342, 0,
-	0, 27, 28, 344, 0, 0, 347, 29, 76, 30,
-	25, 26, 37, 38, 39, 40, 41, 42, 43, 44,
-	299, 0, 77, 64, 0, 80, 81, 82, 58, 59,
-	60, 61, 62, 63, 78, 79, 0, 0, 55, 0,
-	51, 0, 0, 0, 0, 0, 0, 83, 84, 85,
-	86, 87, 88, 89, 90, 91, 92, 93, 110, 111,
-	112, 113, 114, 104, 105, 106, 107, 108, 94, 95,
-	96, 97, 98, 99, 100, 101, 102, 103, 65, 0,
-	122, 120, 121, 117, 118, 0, 109, 115, 116, 123,
-	124, 126, 125, 127, 128, 0, 0, 0, 0, 0,
-	136, 33, 34, 35, 36, 0, 119, 130, 129, 45,
-	46, 0, 47, 0, 31, 0, 52, 0, 139, 143,
-	145, 144, 157, 158, 155, 156, 159, 160, 161, 162,
-	163, 153, 154, 147, 148, 146, 149, 151, 152, 0,
-	0, 0, 0, 0, 0, 27, 28, 0, 0, 0,
-	0, 29, 150, 30, 25, 26, 37, 38, 39, 40,
-	41, 42, 43, 44, 0, 0, 0, 24, 0, 0,
-	0, 0, 0, 48, 49, 0, 0, 0, 0, 22,
-	0, 0, 0, 0, 51, 0, 0, 0, 0, 0,
-	0, 0, 12, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 14,
-	140, 142, 141, 0, 0, 0, 136, 33, 34, 35,
-	36, 0, 32, 0, 16, 45, 46, 0, 47, 0,
-	164, 0, 165, 138, 139, 143, 145, 144, 157, 158,
-	155, 156, 159, 160, 161, 162, 163, 153, 154, 147,
-	148, 146, 149, 151, 152, 0, 9, 346, 31, 0,
-	52, 27, 28, 0, 0, 0, 0, 29, 150, 30,
-	25, 26, 37, 38, 39, 40, 41, 42, 43, 44,
-	0, 0, 0, 24, 0, 0, 0, 318, 0, 48,
-	49, 0, 0, 0, 0, 22, 0, 0, 0, 0,
-	51, 0, 0, 0, 0, 0, 0, 0, 12, 0,
+	14, 135, 313, 311, 319, 314, 330, 55, 292, 315,
+	289, 264, 132, 262, 204, 202, 193, 136, 322, 294,
+	225, 351, 293, 4, 261, 52, 194, 350, 52, 197,
+	198, 199, 200, 201, 137, 203, 342, 205, 206, 207,
+	208, 209, 210, 211, 212, 213, 214, 215, 216, 217,
+	339, 265, 221, 134, 220, 142, 144, 143, 347, 336,
+	222, 49, 50, 229, 353, 134, 194, 134, 55, 203,
+	152, 205, 206, 215, 216, 166, 287, 167, 140, 141,
+	145, 147, 146, 159, 160, 157, 158, 161, 162, 163,
+	164, 165, 155, 156, 149, 150, 148, 151, 153, 154,
+	218, 53, 317, 318, 53, 260, 259, 172, 175, 177,
+	176, 333, 170, 152, 317, 318, 173, 174, 151, 153,
+	154, 321, 169, 344, 320, 338, 266, 355, 331, 226,
+	57, 58, 5, 321, 152, 227, 320, 228, 8, 55,
+	1, 230, 231, 232, 233, 234, 235, 236, 237, 238,
+	239, 240, 241, 242, 243, 244, 245, 246, 247, 248,
+	249, 250, 251, 252, 253, 254, 255, 256, 258, 304,
+	11, 155, 156, 149, 150, 148, 151, 153, 154, 267,
+	269, 270, 271, 272, 273, 274, 275, 276, 277, 278,
+	279, 280, 152, 22, 281, 263, 149, 150, 148, 151,
+	153, 154, 19, 283, 10, 284, 51, 18, 329, 24,
+	171, 21, 142, 144, 143, 152, 310, 309, 343, 286,
+	312, 138, 34, 35, 36, 37, 16, 223, 2, 316,
+	46, 47, 166, 48, 167, 140, 141, 145, 147, 146,
+	159, 160, 157, 158, 161, 162, 163, 164, 165, 155,
+	156, 149, 150, 148, 151, 153, 154, 133, 291, 3,
+	219, 54, 168, 295, 346, 296, 28, 29, 297, 298,
+	152, 20, 30, 332, 31, 26, 27, 38, 39, 40,
+	41, 42, 43, 44, 45, 0, 302, 0, 25, 0,
+	307, 308, 0, 0, 49, 50, 0, 0, 195, 196,
+	23, 0, 0, 0, 0, 52, 0, 0, 328, 305,
+	0, 0, 0, 13, 12, 0, 0, 0, 0, 0,
+	326, 334, 0, 0, 0, 335, 0, 0, 0, 340,
+	15, 0, 0, 0, 0, 345, 0, 0, 0, 0,
+	349, 348, 0, 33, 337, 17, 0, 352, 0, 0,
+	0, 0, 0, 354, 0, 0, 357, 67, 68, 69,
+	70, 71, 0, 74, 75, 76, 72, 73, 0, 48,
+	0, 0, 0, 0, 0, 0, 0, 9, 356, 32,
+	0, 53, 162, 163, 164, 165, 155, 156, 149, 150,
+	148, 151, 153, 154, 0, 0, 0, 0, 0, 0,
+	0, 0, 28, 29, 0, 0, 0, 152, 30, 77,
+	31, 26, 27, 38, 39, 40, 41, 42, 43, 44,
+	45, 0, 0, 78, 65, 0, 81, 82, 83, 59,
+	60, 61, 62, 63, 64, 79, 80, 0, 0, 56,
+	0, 52, 0, 0, 0, 0, 0, 0, 84, 85,
+	86, 87, 88, 89, 90, 91, 92, 93, 94, 111,
+	112, 113, 114, 115, 105, 106, 107, 108, 109, 95,
+	96, 97, 98, 99, 100, 101, 102, 103, 104, 66,
+	0, 123, 121, 122, 118, 119, 0, 110, 116, 117,
+	124, 125, 127, 126, 128, 129, 0, 0, 0, 0,
+	0, 138, 34, 35, 36, 37, 0, 120, 131, 130,
+	46, 47, 0, 48, 0, 32, 0, 53, 0, 141,
+	145, 147, 146, 159, 160, 157, 158, 161, 162, 163,
+	164, 165, 155, 156, 149, 150, 148, 151, 153, 154,
+	0, 0, 0, 0, 0, 0, 28, 29, 0, 0,
+	0, 0, 30, 152, 31, 26, 27, 38, 39, 40,
+	41, 42, 43, 44, 45, 0, 0, 0, 25, 0,
+	0, 0, 0, 0, 49, 50, 0, 0, 0, 0,
+	23, 0, 0, 0, 0, 52, 0, 0, 0, 0,
+	0, 0, 0, 13, 12, 341, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 14, 0, 0, 0, 0,
-	0, 0, 136, 33, 34, 35, 36, 0, 32, 0,
-	16, 45, 46, 0, 47, 157, 158, 155, 156, 159,
-	160, 161, 162, 163, 153, 154, 147, 148, 146, 149,
-	151, 152, 0, 317, 0, 0, 0, 0, 0, 0,
-	0, 0, 9, 0, 31, 150, 52, 27, 28, 0,
-	0, 0, 0, 29, 0, 30, 25, 26, 37, 38,
-	39, 40, 41, 42, 43, 44, 0, 0, 0, 24,
-	0, 0, 0, 0, 0, 48, 49, 0, 0, 0,
-	0, 22, 0, 0, 0, 0, 51, 0, 0, 0,
-	0, 0, 0, 0, 12, 0, 0, 0, 0, 0,
+	15, 142, 144, 143, 0, 0, 0, 138, 34, 35,
+	36, 37, 0, 33, 0, 17, 46, 47, 0, 48,
+	0, 166, 0, 167, 140, 141, 145, 147, 146, 159,
+	160, 157, 158, 161, 162, 163, 164, 165, 155, 156,
+	149, 150, 148, 151, 153, 154, 0, 9, 0, 32,
+	0, 53, 28, 29, 0, 0, 0, 0, 30, 152,
+	31, 26, 27, 38, 39, 40, 41, 42, 43, 44,
+	45, 0, 0, 0, 25, 0, 0, 0, 325, 0,
+	49, 50, 0, 0, 0, 0, 23, 0, 0, 0,
+	0, 52, 0, 0, 0, 0, 0, 0, 0, 13,
+	12, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 15, 0, 0, 0,
+	0, 0, 0, 138, 34, 35, 36, 37, 0, 33,
+	0, 17, 46, 47, 0, 48, 159, 160, 157, 158,
+	161, 162, 163, 164, 165, 155, 156, 149, 150, 148,
+	151, 153, 154, 0, 324, 0, 0, 0, 0, 0,
+	0, 0, 0, 9, 0, 32, 152, 53, 28, 29,
+	0, 0, 0, 0, 30, 0, 31, 26, 27, 38,
+	39, 40, 41, 42, 43, 44, 45, 0, 0, 0,
+	25, 0, 0, 0, 0, 0, 49, 50, 0, 0,
+	0, 0, 23, 0, 0, 0, 0, 52, 0, 0,
+	0, 0, 0, 0, 0, 13, 12, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 14, 140, 142, 141, 0, 0, 0, 6, 33,
-	34, 35, 36, 0, 32, 0, 16, 45, 46, 0,
-	47, 0, 164, 0, 165, 138, 139, 143, 145, 144,
-	157, 158, 155, 156, 159, 160, 161, 162, 163, 153,
-	154, 147, 148, 146, 149, 151, 152, 0, 9, 222,
-	31, 0, 52, 27, 28, 0, 0, 0, 0, 29,
-	150, 30, 25, 26, 37, 38, 39, 40, 41, 42,
-	43, 44, 0, 0, 0, 24, 0, 0, 0, 0,
-	0, 48, 49, 0, 0, 0, 0, 22, 0, 0,
-	0, 0, 51, 0, 0, 0, 0, 0, 0, 0,
-	12, 176, 177, 178, 179, 181, 182, 183, 184, 185,
-	186, 187, 188, 180, 0, 0, 0, 14, 0, 0,
-	0, 0, 0, 0, 136, 33, 34, 35, 36, 0,
-	32, 0, 16, 45, 46, 0, 47, 0, 0, 0,
-	0, 0, 189, 190, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 316, 0, 0, 7, 0,
-	0, 0, 0, 0, 9, 0, 31, 0, 52, 27,
-	28, 0, 0, 0, 0, 29, 0, 30, 25, 26,
-	37, 38, 39, 40, 41, 42, 43, 44, 0, 0,
-	0, 24, 0, 0, 0, 0, 0, 48, 49, 0,
-	0, 0, 0, 22, 0, 0, 0, 0, 51, 136,
-	33, 34, 35, 36, 0, 0, 12, 0, 45, 46,
-	0, 47, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 14, 0, 0, 320, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 32, 0, 16, 136,
-	33, 34, 35, 36, 27, 28, 0, 0, 45, 46,
-	29, 47, 30, 25, 26, 37, 38, 39, 40, 41,
-	42, 43, 44, 0, 0, 0, 24, 0, 0, 0,
-	9, 0, 31, 0, 52, 0, 0, 0, 22, 0,
-	0, 0, 0, 51, 27, 28, 0, 0, 0, 0,
-	29, 12, 30, 25, 26, 37, 38, 39, 40, 41,
-	42, 43, 44, 0, 0, 0, 24, 0, 0, 0,
-	140, 142, 141, 0, 0, 0, 0, 0, 22, 0,
-	0, 32, 0, 51, 0, 0, 0, 0, 0, 0,
-	164, 12, 165, 138, 139, 143, 145, 144, 157, 158,
-	155, 156, 159, 160, 161, 162, 163, 153, 154, 147,
-	148, 146, 149, 151, 152, 9, 0, 31, 0, 52,
-	0, 32, 0, 0, 0, 0, 0, 0, 150, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 140, 142,
-	141, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 9, 0, 31, 164, 52,
-	165, 138, 139, 143, 145, 144, 157, 158, 155, 156,
-	159, 160, 161, 162, 163, 153, 154, 147, 148, 146,
-	149, 151, 152, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 150, 0, 0, 0,
-	0, 0, 140, 142, 141, 0, 0, 0, 0, 0,
+	0, 0, 15, 142, 144, 143, 0, 0, 0, 6,
+	34, 35, 36, 37, 0, 33, 0, 17, 46, 47,
+	0, 48, 0, 166, 0, 167, 140, 141, 145, 147,
+	146, 159, 160, 157, 158, 161, 162, 163, 164, 165,
+	155, 156, 149, 150, 148, 151, 153, 154, 0, 9,
+	224, 32, 0, 53, 28, 29, 0, 0, 0, 0,
+	30, 152, 31, 26, 27, 38, 39, 40, 41, 42,
+	43, 44, 45, 0, 0, 0, 25, 0, 0, 0,
+	0, 0, 49, 50, 0, 0, 0, 0, 23, 0,
+	0, 0, 0, 52, 0, 0, 0, 0, 0, 0,
+	0, 13, 12, 178, 179, 180, 181, 183, 184, 185,
+	186, 187, 188, 189, 190, 182, 0, 0, 15, 0,
+	0, 0, 0, 0, 0, 138, 34, 35, 36, 37,
+	0, 33, 0, 17, 46, 47, 0, 48, 0, 0,
+	0, 0, 0, 0, 191, 192, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 323, 0, 0, 7,
+	0, 0, 0, 0, 0, 9, 0, 32, 0, 53,
+	28, 29, 0, 0, 0, 0, 30, 0, 31, 26,
+	27, 38, 39, 40, 41, 42, 43, 44, 45, 0,
+	0, 0, 25, 0, 0, 0, 0, 0, 49, 50,
+	0, 0, 0, 0, 23, 0, 0, 0, 0, 52,
+	138, 34, 35, 36, 37, 0, 0, 13, 12, 46,
+	47, 0, 48, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 15, 0, 0, 327, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 33, 0, 17,
+	0, 0, 0, 0, 0, 28, 29, 0, 0, 0,
+	0, 30, 0, 31, 26, 27, 38, 39, 40, 41,
+	42, 43, 44, 45, 0, 0, 0, 25, 0, 0,
+	0, 9, 0, 32, 0, 53, 0, 0, 0, 23,
+	0, 0, 0, 0, 52, 138, 34, 35, 36, 37,
+	0, 0, 13, 12, 46, 47, 0, 48, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 164, 297, 165, 138, 139, 143, 145, 144,
-	157, 158, 155, 156, 159, 160, 161, 162, 163, 153,
-	154, 147, 148, 146, 149, 151, 152, 0, 0, 0,
+	0, 0, 306, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 33, 0, 0, 0, 0, 0, 0, 0,
+	28, 29, 0, 0, 0, 0, 30, 0, 31, 26,
+	27, 38, 39, 40, 41, 42, 43, 44, 45, 0,
+	0, 0, 25, 0, 0, 0, 9, 0, 32, 0,
+	53, 142, 144, 143, 23, 0, 0, 0, 0, 52,
+	138, 34, 35, 36, 37, 0, 0, 13, 12, 46,
+	47, 166, 48, 167, 140, 141, 145, 147, 146, 159,
+	160, 157, 158, 161, 162, 163, 164, 165, 155, 156,
+	149, 150, 148, 151, 153, 154, 0, 33, 0, 0,
+	0, 0, 0, 0, 0, 28, 29, 0, 0, 152,
+	0, 30, 0, 31, 26, 27, 38, 39, 40, 41,
+	42, 43, 44, 45, 0, 0, 0, 25, 0, 0,
+	0, 9, 0, 32, 0, 53, 142, 144, 143, 23,
+	0, 0, 0, 0, 52, 0, 0, 0, 0, 0,
+	0, 0, 13, 12, 0, 0, 166, 0, 167, 140,
+	141, 145, 147, 146, 159, 160, 157, 158, 161, 162,
+	163, 164, 165, 155, 156, 149, 150, 148, 151, 153,
+	154, 0, 33, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 152, 0, 0, 0, 0, 142,
+	144, 143, 0, 0, 301, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 9, 0, 32, 166,
+	53, 167, 140, 141, 145, 147, 146, 159, 160, 157,
+	158, 161, 162, 163, 164, 165, 155, 156, 149, 150,
+	148, 151, 153, 154, 142, 144, 143, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 152, 0, 0,
+	0, 0, 0, 0, 166, 0, 167, 140, 141, 145,
+	147, 146, 159, 160, 157, 158, 161, 162, 163, 164,
+	165, 155, 156, 149, 150, 148, 151, 153, 154, 300,
+	142, 144, 143, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 152, 0, 0, 0, 0, 0, 0, 0,
+	166, 0, 167, 140, 141, 145, 147, 146, 159, 160,
+	157, 158, 161, 162, 163, 164, 165, 155, 156, 149,
+	150, 148, 151, 153, 154, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 152, 0,
+	0, 0, 299, 138, 34, 35, 36, 37, 0, 0,
+	0, 0, 46, 47, 0, 48, 0, 0, 0, 0,
+	0, 0, 0, 138, 34, 35, 36, 37, 0, 0,
+	0, 0, 46, 47, 0, 48, 268, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 288, 28, 29,
+	257, 0, 0, 0, 30, 0, 31, 26, 27, 38,
+	39, 40, 41, 42, 43, 44, 45, 0, 28, 29,
+	25, 0, 0, 0, 30, 0, 31, 26, 27, 38,
+	39, 40, 41, 42, 43, 44, 45, 52, 0, 0,
+	25, 0, 0, 282, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 52, 0, 0,
+	0, 138, 34, 35, 36, 37, 0, 0, 0, 0,
+	46, 47, 0, 48, 0, 33, 147, 146, 159, 160,
+	157, 158, 161, 162, 163, 164, 165, 155, 156, 149,
+	150, 148, 151, 153, 154, 33, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 28, 29, 152, 0,
+	0, 32, 30, 53, 31, 26, 27, 38, 39, 40,
+	41, 42, 43, 44, 45, 0, 0, 0, 25, 0,
+	0, 32, 0, 53, 142, 144, 143, 0, 0, 0,
+	0, 0, 0, 0, 0, 52, 0, 0, 0, 0,
+	0, 0, 0, 0, 166, 0, 167, 140, 141, 145,
+	147, 146, 159, 160, 157, 158, 161, 162, 163, 164,
+	165, 155, 156, 149, 150, 148, 151, 153, 154, 0,
+	0, 0, 0, 33, 0, 0, 0, 0, 0, 0,
+	0, 0, 152, 0, 0, 0, 0, 0, 0, 0,
+	142, 144, 143, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 32,
+	166, 53, 167, 140, 141, 145, 147, 146, 159, 160,
+	157, 158, 161, 162, 163, 164, 165, 155, 156, 149,
+	150, 148, 151, 153, 154, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 152, 0,
+	0, 0, 0, 0, 0, 0, 142, 144, 143, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	150, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	140, 142, 141, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 303, 166, 290, 167, 140,
+	141, 145, 147, 146, 159, 160, 157, 158, 161, 162,
+	163, 164, 165, 155, 156, 149, 150, 148, 151, 153,
+	154, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 152, 0, 0, 0, 0, 144,
+	143, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 166, 139,
+	167, 140, 141, 145, 147, 146, 159, 160, 157, 158,
+	161, 162, 163, 164, 165, 155, 156, 149, 150, 148,
+	151, 153, 154, 143, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 152, 0, 0, 0,
+	0, 166, 0, 167, 140, 141, 145, 147, 146, 159,
+	160, 157, 158, 161, 162, 163, 164, 165, 155, 156,
+	149, 150, 148, 151, 153, 154, 285, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 152,
+	0, 166, 0, 167, 140, 141, 145, 147, 146, 159,
+	160, 157, 158, 161, 162, 163, 164, 165, 155, 156,
+	149, 150, 148, 151, 153, 154, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 166, 152,
+	167, 140, 141, 145, 147, 146, 159, 160, 157, 158,
+	161, 162, 163, 164, 165, 155, 156, 149, 150, 148,
+	151, 153, 154, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 152, 167, 140, 141,
+	145, 147, 146, 159, 160, 157, 158, 161, 162, 163,
+	164, 165, 155, 156, 149, 150, 148, 151, 153, 154,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	164, 296, 165, 138, 139, 143, 145, 144, 157, 158,
-	155, 156, 159, 160, 161, 162, 163, 153, 154, 147,
-	148, 146, 149, 151, 152, 136, 33, 34, 35, 36,
-	0, 0, 0, 0, 45, 46, 0, 47, 150, 0,
-	0, 0, 0, 0, 0, 136, 33, 34, 35, 36,
-	0, 0, 0, 0, 45, 46, 0, 47, 265, 0,
-	0, 0, 0, 0, 0, 295, 0, 0, 0, 0,
-	27, 28, 254, 0, 0, 0, 29, 0, 30, 25,
-	26, 37, 38, 39, 40, 41, 42, 43, 44, 0,
-	27, 28, 24, 0, 0, 0, 29, 0, 30, 25,
-	26, 37, 38, 39, 40, 41, 42, 43, 44, 51,
-	0, 0, 24, 0, 0, 136, 33, 34, 35, 36,
-	0, 0, 0, 0, 45, 46, 0, 47, 0, 51,
-	0, 0, 0, 279, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 32, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	27, 28, 0, 0, 0, 0, 29, 32, 30, 25,
-	26, 37, 38, 39, 40, 41, 42, 43, 44, 0,
-	0, 0, 24, 31, 0, 52, 140, 142, 141, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 51,
-	0, 0, 0, 31, 0, 52, 164, 0, 165, 138,
-	139, 143, 145, 144, 157, 158, 155, 156, 159, 160,
-	161, 162, 163, 153, 154, 147, 148, 146, 149, 151,
-	152, 0, 0, 0, 0, 0, 0, 32, 0, 0,
-	0, 0, 0, 0, 150, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 140, 142, 141, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 31, 0, 52, 164, 286, 165, 138,
-	139, 143, 145, 144, 157, 158, 155, 156, 159, 160,
-	161, 162, 163, 153, 154, 147, 148, 146, 149, 151,
-	152, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 150, 0, 140, 142, 141, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 137, 164, 0, 165, 138,
-	139, 143, 145, 144, 157, 158, 155, 156, 159, 160,
-	161, 162, 163, 153, 154, 147, 148, 146, 149, 151,
-	152, 142, 141, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 150, 0, 0, 0, 0, 0,
-	164, 0, 165, 138, 139, 143, 145, 144, 157, 158,
-	155, 156, 159, 160, 161, 162, 163, 153, 154, 147,
-	148, 146, 149, 151, 152, 141, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 150, 0,
-	0, 0, 0, 164, 0, 165, 138, 139, 143, 145,
-	144, 157, 158, 155, 156, 159, 160, 161, 162, 163,
-	153, 154, 147, 148, 146, 149, 151, 152, 282, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 150, 0, 164, 0, 165, 138, 139, 143, 145,
-	144, 157, 158, 155, 156, 159, 160, 161, 162, 163,
-	153, 154, 147, 148, 146, 149, 151, 152, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	164, 150, 165, 138, 139, 143, 145, 144, 157, 158,
-	155, 156, 159, 160, 161, 162, 163, 153, 154, 147,
-	148, 146, 149, 151, 152, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 150, 165,
-	138, 139, 143, 145, 144, 157, 158, 155, 156, 159,
-	160, 161, 162, 163, 153, 154, 147, 148, 146, 149,
-	151, 152, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 150, 143, 145, 144, 157,
-	158, 155, 156, 159, 160, 161, 162, 163, 153, 154,
-	147, 148, 146, 149, 151, 152, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 150,
-	145, 144, 157, 158, 155, 156, 159, 160, 161, 162,
-	163, 153, 154, 147, 148, 146, 149, 151, 152, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 150, 144, 157, 158, 155, 156, 159, 160,
-	161, 162, 163, 153, 154, 147, 148, 146, 149, 151,
-	152, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 150,
+	0, 0, 0, 152, 145, 147, 146, 159, 160, 157,
+	158, 161, 162, 163, 164, 165, 155, 156, 149, 150,
+	148, 151, 153, 154, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 152, 146, 159,
+	160, 157, 158, 161, 162, 163, 164, 165, 155, 156,
+	149, 150, 148, 151, 153, 154, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 152,
 }
 var yyPact = [...]int{
 
-	-1000, -1000, 784, -1000, -1000, -1000, 292, -23, -1000, -1000,
-	-1000, -1000, 1025, 1496, 82, -18, 18, 35, 32, 864,
-	-1000, -1000, -146, -1000, 1431, -64, -64, 1431, 1431, 1431,
-	1431, 1431, -147, 1431, -148, 1431, 1431, 1431, 1431, 1431,
-	1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, -1000, -1000,
-	-1000, -1000, -61, -108, 1626, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 1431, -147, 1431, 1431, -148, 1431,
-	1431, 1431, 1431, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 845, -1000, -1000, -1000, 353, -19, -1000, -1000,
+	-1000, -1000, -145, 1216, 1750, 85, -16, 21, 43, 35,
+	926, -1000, -1000, -146, -1000, 1617, -63, -63, 1617, 1617,
+	1617, 1617, 1617, -147, 1617, -148, 1617, 1617, 1617, 1617,
+	1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, -1000,
+	-1000, -1000, -1000, -60, -105, 202, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 1617, -147, 1617, 1617, -148,
+	1617, 1617, 1617, 1617, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -109, -99, -1000, 668, -36, 1431, -1000, 1431, 1431,
-	1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431,
-	1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431,
-	1431, 1431, 1431, 1431, 1361, 1431, -11, -1000, -17, -1000,
-	-138, -149, 1025, -151, -110, 93, 1341, 1431, 1431, 1431,
-	1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, 1431, -1000,
-	-1000, 1431, -1000, -1000, -1000, 43, 43, 43, 43, 1290,
-	1431, 1626, 1431, 1626, 1626, 43, 43, 43, 43, 43,
-	43, 43, 43, 1790, 1753, 1790, 1431, -1000, -1000, -1000,
-	-20, -1000, -1000, -1000, -1000, -1000, -152, 424, 1861, 1670,
-	1790, 1713, 1894, 647, 1926, 63, 63, 63, 43, 43,
-	43, 43, 145, 145, 225, 225, 225, 225, 225, 122,
-	122, 122, 122, 1566, 1431, 1827, -153, -139, -143, 1431,
-	-1000, 1431, -1000, -1000, 1790, 1431, 1790, 1790, 1790, 1790,
-	1790, 1790, 1790, 1790, 1790, 1790, 1790, 1790, 1222, -1000,
-	1158, 1090, 1431, 199, -1000, 1431, 1431, 1827, -22, -144,
-	-1000, 772, 540, 552, 647, 985, -1000, -1000, 1790, -1000,
-	44, 1827, -157, 117, -1000, 81, -1000, -1000, -34, -1000,
-	-1000, -1000, -1000, -23, -100, -1000, 1025, 91, -124, -1000,
-	-1000, -133, 90, -22, -105, -1000, -1000, -1000, -23, -1000,
-	-1000, -1000, 900, -1000, -141, -22, -1000, -26, -1000, -1000,
-	900, -1000, -1000, 108, 436, 1431, -1000, 1626,
+	-1000, -1000, -107, -97, -1000, 729, 1617, -34, 1617, -1000,
+	1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617,
+	1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617,
+	1617, 1617, 1617, 1617, 1617, 1617, 1529, 1617, 20, -1000,
+	19, -1000, -136, -149, 1216, -151, -108, 95, 1509, 1617,
+	1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617, 1617,
+	1617, -1000, -1000, 1617, -1000, -1000, -1000, 2, 2, 2,
+	2, 1440, 1617, 202, 1617, 202, 202, 2, 2, 2,
+	2, 2, 2, 2, 2, 1998, 1961, 1998, 1617, -1000,
+	-1000, -1000, -10, -1000, -1000, -1000, -1000, -1000, 1394, -152,
+	485, 2069, 1878, 1998, 1921, 1600, 708, 2101, 66, 66,
+	66, 2, 2, 2, 2, 147, 147, 339, 339, 339,
+	339, 339, 124, 124, 124, 124, 1816, 1617, 2035, -154,
+	-138, -142, 1617, -1000, 1617, -1000, -1000, 1998, 1617, 1998,
+	1998, 1998, 1998, 1998, 1998, 1998, 1998, 1998, 1998, 1998,
+	1998, 1349, -1000, 1286, 1201, 1617, 1684, -1000, 1131, 1617,
+	1617, 2035, -21, -143, -1000, 833, 601, 613, 708, 1046,
+	-1000, -1000, 1998, -1000, -1000, -1000, -1000, 45, 2035, -157,
+	119, -1000, 74, -1000, -1000, -33, -1000, -1000, -1000, -1000,
+	-19, -98, -1000, 1216, 94, -109, -1000, -1000, 497, -123,
+	92, -21, -100, -1000, -1000, -1000, -19, -1000, -1000, -1000,
+	961, -132, -1000, -139, -21, -1000, -24, -1000, -1000, 961,
+	-1000, -1000, -1000, 110, 217, 1617, -1000, 202,
 }
 var yyPgo = [...]int{
 
-	0, 202, 254, 230, 228, 225, 224, 4, 223, 222,
-	221, 20, 220, 1, 219, 133, 127, 216, 215, 2,
-	5, 214, 212, 3, 0, 208, 206, 200, 138, 205,
-	204, 168, 167, 134, 129, 128,
+	0, 193, 273, 264, 262, 261, 259, 4, 257, 229,
+	228, 20, 227, 1, 226, 135, 129, 220, 218, 2,
+	5, 217, 216, 3, 0, 211, 209, 271, 206, 207,
+	204, 202, 170, 169, 140, 131, 130,
 }
 var yyR1 = [...]int{
 
-	0, 33, 34, 34, 34, 34, 34, 34, 34, 34,
-	34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-	34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-	34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-	34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-	34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
-	34, 34, 34, 34, 34, 34, 34, 34, 34, 35,
-	35, 35, 35, 35, 35, 35, 5, 5, 8, 8,
+	0, 34, 35, 35, 35, 35, 35, 35, 35, 35,
+	35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
+	35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
+	35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
+	35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
+	35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
+	35, 35, 35, 35, 35, 35, 35, 35, 35, 36,
+	36, 36, 36, 36, 36, 36, 5, 5, 8, 8,
 	7, 9, 9, 9, 10, 10, 6, 6, 6, 6,
 	6, 13, 13, 12, 12, 12, 11, 11, 11, 11,
-	11, 29, 29, 30, 30, 31, 31, 32, 32, 15,
-	15, 14, 14, 1, 1, 16, 21, 21, 22, 22,
-	23, 23, 17, 17, 4, 4, 2, 2, 3, 3,
-	19, 19, 20, 20, 20, 18, 18, 25, 25, 25,
+	11, 11, 29, 29, 30, 30, 31, 31, 32, 32,
+	33, 33, 15, 15, 14, 14, 1, 1, 16, 21,
+	21, 22, 22, 23, 23, 17, 17, 4, 4, 2,
+	2, 3, 3, 19, 19, 20, 20, 20, 18, 18,
 	25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
 	25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
 	25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
@@ -732,7 +746,8 @@ var yyR1 = [...]int{
 	25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
 	25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
 	25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-	25, 24, 24, 26, 27, 28, 28, 28,
+	25, 25, 25, 25, 24, 24, 26, 27, 28, 28,
+	28,
 }
 var yyR2 = [...]int{
 
@@ -745,95 +760,98 @@ var yyR2 = [...]int{
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 3,
 	1, 1, 2, 3, 2, 0, 1, 1, 3, 3,
-	1, 2, 0, 1, 1, 1, 3, 1, 1, 7,
-	2, 5, 6, 1, 3, 6, 7, 3, 6, 5,
-	4, 1, 2, 1, 1, 10, 1, 0, 1, 3,
-	4, 6, 0, 1, 0, 1, 0, 1, 0, 1,
-	1, 2, 1, 1, 1, 0, 2, 3, 4, 4,
+	1, 2, 0, 1, 1, 1, 3, 1, 1, 5,
+	7, 2, 5, 6, 1, 3, 6, 7, 3, 6,
+	1, 4, 5, 4, 1, 2, 1, 1, 10, 1,
+	0, 1, 3, 4, 6, 0, 1, 0, 1, 0,
+	1, 0, 1, 1, 2, 1, 1, 1, 0, 2,
+	3, 4, 4, 2, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 2, 2, 2,
 	2, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 2, 2, 2, 2, 3, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 3, 2, 2, 2, 2, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 5,
-	4, 3, 4, 2, 2, 4, 2, 2, 2, 2,
-	2, 2, 2, 2, 2, 2, 2, 1, 2, 4,
-	2, 1, 1, 1, 1, 1, 4, 2,
+	3, 3, 3, 3, 3, 3, 3, 3, 2, 2,
+	2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 5, 4, 3, 4, 2, 2, 4, 2,
+	2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+	1, 2, 4, 2, 1, 1, 1, 1, 1, 4,
+	2,
 }
 var yyChk = [...]int{
 
-	-1000, -33, -10, -6, -11, -16, 4, 154, -15, 160,
-	-30, -32, 96, -24, 113, -14, 128, -29, -31, -27,
-	-25, -1, 83, -26, 71, 58, 59, 49, 50, 55,
-	57, 162, 126, 5, 6, 7, 8, 60, 61, 62,
-	63, 64, 65, 66, 67, 13, 14, 16, 77, 78,
-	-28, 88, 164, -5, -24, 86, -35, -34, 76, 77,
-	78, 79, 80, 81, 71, 126, 4, 5, 6, 7,
-	8, 13, 14, 10, 11, 12, 56, 70, 82, 83,
-	73, 74, 75, 95, 96, 97, 98, 99, 100, 101,
-	102, 103, 104, 105, 116, 117, 118, 119, 120, 121,
-	122, 123, 124, 125, 111, 112, 113, 114, 115, 134,
-	106, 107, 108, 109, 110, 135, 136, 131, 132, 154,
-	129, 130, 128, 137, 138, 140, 139, 141, 142, 156,
-	155, -7, -8, 86, -13, -11, 4, 159, 33, 34,
-	10, 12, 11, 35, 37, 36, 51, 49, 50, 52,
-	68, 53, 54, 47, 48, 40, 41, 38, 39, 42,
-	43, 44, 45, 46, 30, 32, -4, 37, 128, -1,
-	86, 73, 74, 73, 75, 74, 17, 18, 19, 20,
-	29, 21, 22, 23, 24, 25, 26, 27, 28, 58,
-	59, 162, -24, -27, -27, -24, -24, -24, -24, -24,
-	162, -24, 162, -24, -24, -24, -24, -24, -24, -24,
-	-24, -24, -24, -24, -24, -24, 160, -28, 159, 159,
-	157, -12, 161, -11, -16, -15, 97, -24, -24, -24,
+	-1000, -34, -10, -6, -11, -16, 4, 154, -15, 160,
+	-30, -32, 97, 96, -24, 113, -14, 128, -29, -31,
+	-27, -25, -1, 83, -26, 71, 58, 59, 49, 50,
+	55, 57, 162, 126, 5, 6, 7, 8, 60, 61,
+	62, 63, 64, 65, 66, 67, 13, 14, 16, 77,
+	78, -28, 88, 164, -5, -24, 86, -36, -35, 76,
+	77, 78, 79, 80, 81, 71, 126, 4, 5, 6,
+	7, 8, 13, 14, 10, 11, 12, 56, 70, 82,
+	83, 73, 74, 75, 95, 96, 97, 98, 99, 100,
+	101, 102, 103, 104, 105, 116, 117, 118, 119, 120,
+	121, 122, 123, 124, 125, 111, 112, 113, 114, 115,
+	134, 106, 107, 108, 109, 110, 135, 136, 131, 132,
+	154, 129, 130, 128, 137, 138, 140, 139, 141, 142,
+	156, 155, -7, -8, 86, -13, 162, -11, 4, 159,
+	33, 34, 10, 12, 11, 35, 37, 36, 51, 49,
+	50, 52, 68, 53, 54, 47, 48, 40, 41, 38,
+	39, 42, 43, 44, 45, 46, 30, 32, -4, 37,
+	128, -1, 86, 73, 74, 73, 75, 74, 17, 18,
+	19, 20, 29, 21, 22, 23, 24, 25, 26, 27,
+	28, 58, 59, 162, -24, -27, -27, -24, -24, -24,
+	-24, -24, 162, -24, 162, -24, -24, -24, -24, -24,
+	-24, -24, -24, -24, -24, -24, -24, -24, 160, -28,
+	159, 159, 157, -12, 161, -11, -16, -15, -24, 97,
 	-24, -24, -24, -24, -24, -24, -24, -24, -24, -24,
 	-24, -24, -24, -24, -24, -24, -24, -24, -24, -24,
-	-24, -24, -24, -24, 31, -24, 86, 86, 160, 162,
-	-11, 162, 159, 31, -24, 37, -24, -24, -24, -24,
-	-24, -24, -24, -24, -24, -24, -24, -24, -24, 163,
-	-24, -24, 15, -24, 86, 162, 31, -24, 162, 160,
-	161, -24, -24, -13, -24, 163, 163, 163, -24, 161,
-	-24, -24, -21, -22, -23, -17, -19, -20, 30, -9,
-	135, 136, -7, 157, 154, 161, 163, 163, 75, -11,
-	31, 163, 163, 9, -2, 37, -20, -7, 157, -11,
-	31, 159, -13, 159, -18, 31, -23, -3, 158, -7,
-	-13, 160, -19, 88, -13, 17, 161, -24,
+	-24, -24, -24, -24, -24, -24, -24, 31, -24, 86,
+	86, 160, 162, -11, 162, 159, 31, -24, 37, -24,
+	-24, -24, -24, -24, -24, -24, -24, -24, -24, -24,
+	-24, -24, 163, -24, -24, 15, -24, 86, 163, 162,
+	31, -24, 162, 160, 161, -24, -24, -13, -24, 163,
+	163, 163, -24, 161, -33, -11, 31, -24, -24, -21,
+	-22, -23, -17, -19, -20, 30, -9, 135, 136, -7,
+	157, 154, 161, 163, 163, 75, -11, 31, -13, 163,
+	163, 9, -2, 37, -20, -7, 157, -11, 31, 159,
+	-13, 98, 159, -18, 31, -23, -3, 158, -7, -13,
+	159, 160, -19, 88, -13, 17, 161, -24,
 }
 var yyDef = [...]int{
 
 	85, -2, 1, 84, 86, 87, 0, 0, 90, 92,
-	97, 98, 0, 0, 124, 0, 0, 103, 0, 211,
-	212, 111, 0, 214, 0, 0, 0, 0, 0, 0,
+	97, 98, 0, 0, 0, 127, 0, 0, 104, 0,
+	214, 215, 114, 0, 217, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 207, 0, 113, 114,
-	213, 215, 0, 0, 193, 76, 77, 69, 70, 71,
-	72, 73, 74, 75, 12, 39, 2, 3, 4, 5,
-	6, 45, -2, 7, 8, 9, 10, 11, 13, 14,
-	15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
-	25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
-	35, 36, 37, 38, 40, 41, 42, 43, 44, 47,
-	48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
-	58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
-	68, 0, 80, 78, 0, 0, 0, 100, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 210, 0, 116,
+	117, 216, 218, 0, 0, 196, 76, 77, 69, 70,
+	71, 72, 73, 74, 75, 12, 39, 2, 3, 4,
+	5, 6, 45, -2, 7, 8, 9, 10, 11, 13,
+	14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
+	24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+	34, 35, 36, 37, 38, 40, 41, 42, 43, 44,
+	47, 48, 49, 50, 51, 52, 53, 54, 55, 56,
+	57, 58, 59, 60, 61, 62, 63, 64, 65, 66,
+	67, 68, 0, 80, 78, 0, 0, 0, 0, 101,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 125, 0, 112,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 128,
+	0, 115, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 154,
-	156, 0, 140, 155, 157, 175, 176, 177, 178, 0,
-	0, 194, 0, 196, 197, 198, 199, 200, 201, 202,
-	203, 204, 205, 206, 208, 210, 0, 217, 88, 89,
-	0, 91, 96, 93, 94, 95, 0, 158, 159, 160,
+	0, 157, 159, 0, 143, 158, 160, 178, 179, 180,
+	181, 0, 0, 197, 0, 199, 200, 201, 202, 203,
+	204, 205, 206, 207, 208, 209, 211, 213, 0, 220,
+	88, 89, 0, 91, 96, 93, 94, 95, 0, 0,
 	161, 162, 163, 164, 165, 166, 167, 168, 169, 170,
-	171, 172, 173, 174, -2, -2, -2, -2, -2, -2,
-	-2, -2, -2, 0, 0, 191, 0, 0, 0, 0,
-	104, 0, 107, 92, 137, 0, 141, 142, 143, 144,
-	145, 146, 147, 148, 150, 151, 152, 153, 0, 188,
-	0, 0, 0, 0, 79, 0, 0, 190, -2, 0,
-	110, 0, 0, 0, 138, 0, 192, 195, 209, 216,
-	0, 189, 0, 116, 118, 126, 123, 130, 0, 132,
-	133, 134, 81, 0, 0, 109, 0, 0, 0, 101,
-	92, 0, 135, 122, 128, 127, 131, 82, 0, 102,
-	92, 108, 105, 99, 0, 0, 119, 0, 129, 83,
-	106, 92, 136, 120, 0, 0, 115, 121,
+	171, 172, 173, 174, 175, 176, 177, -2, -2, -2,
+	-2, -2, -2, -2, -2, -2, 0, 0, 194, 0,
+	0, 0, 0, 105, 0, 108, 92, 140, 0, 144,
+	145, 146, 147, 148, 149, 150, 151, 153, 154, 155,
+	156, 0, 191, 0, 0, 0, 0, 79, 0, 0,
+	0, 193, -2, 0, 113, 0, 0, 0, 141, 0,
+	195, 198, 212, 219, 99, 110, 92, 0, 192, 0,
+	119, 121, 129, 126, 133, 0, 135, 136, 137, 81,
+	0, 0, 112, 0, 0, 0, 102, 92, 0, 0,
+	138, 125, 131, 130, 134, 82, 0, 103, 92, 109,
+	106, 0, 100, 0, 0, 122, 0, 132, 83, 107,
+	111, 92, 139, 123, 0, 0, 118, 124,
 }
 var yyTok1 = [...]int{
 
@@ -1211,247 +1229,265 @@ yydefault:
 
 	case 1:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:211
+		//line parser.y:212
 		{
 			fmt.Println(yyDollar[1].node)
 		}
 	case 76:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:230
+		//line parser.y:231
 		{
 			yyVAL.node = Node("identifier")
 		}
 	case 77:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:231
+		//line parser.y:232
 		{
 			yyVAL.node = Node("reserved")
 		}
 	case 78:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:235
+		//line parser.y:236
 		{
 			yyVAL.node = Node("NamespaceParts").append(Node(yyDollar[1].token))
 		}
 	case 79:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:236
+		//line parser.y:237
 		{
 			yyVAL.node = yyDollar[1].node.append(Node(yyDollar[3].token))
 		}
 	case 80:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:240
+		//line parser.y:241
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 81:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:244
+		//line parser.y:245
 		{
 			yyVAL.node = Node("Name").append(yyDollar[1].node)
 		}
 	case 82:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:245
+		//line parser.y:246
 		{
 			yyVAL.node = Node("Name").append(yyDollar[2].node).attribute("FullyQualified", "true")
 		}
 	case 83:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:246
+		//line parser.y:247
 		{
 			yyVAL.node = Node("Name").append(yyDollar[3].node).attribute("Relative", "true")
 		}
 	case 84:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:250
+		//line parser.y:251
 		{
 			yyVAL.node = yyDollar[1].node.append(yyDollar[2].node)
 		}
 	case 85:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:251
+		//line parser.y:252
 		{
 			yyVAL.node = Node("Statements")
 		}
 	case 86:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:255
+		//line parser.y:256
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 87:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:256
+		//line parser.y:257
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 88:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:257
+		//line parser.y:258
 		{
 			yyVAL.node = yyDollar[2].node /*TODO: identifier stub, refactor it*/
 		}
 	case 89:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:258
+		//line parser.y:259
 		{
 			yyVAL.node = Node("Namespace").append(yyDollar[2].node)
 		}
 	case 90:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:259
+		//line parser.y:260
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 91:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:263
+		//line parser.y:264
 		{
 			yyVAL.node = yyDollar[1].node.append(yyDollar[2].node)
 		}
 	case 92:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:264
+		//line parser.y:265
 		{
 			yyVAL.node = Node("statement_list")
 		}
 	case 93:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:268
+		//line parser.y:269
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 94:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:269
+		//line parser.y:270
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 95:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:270
+		//line parser.y:271
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 96:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:273
+		//line parser.y:274
 		{
 			yyVAL.node = yyDollar[2].node
 		}
 	case 97:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:274
+		//line parser.y:275
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 98:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:275
+		//line parser.y:276
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 99:
-		yyDollar = yyS[yypt-7 : yypt+1]
-		//line parser.y:276
+		yyDollar = yyS[yypt-5 : yypt+1]
+		//line parser.y:277
 		{
-			yyVAL.node = Node("Do While").append(yyDollar[2].node).append(yyDollar[5].node)
+			yyVAL.node = Node("While").append(Node("expr").append(yyDollar[3].node)).append(Node("stmt").append(yyDollar[5].node))
 		}
 	case 100:
+		yyDollar = yyS[yypt-7 : yypt+1]
+		//line parser.y:278
+		{
+			yyVAL.node = Node("Do While").append(Node("expr").append(yyDollar[5].node)).append(Node("stmt").append(yyDollar[2].node))
+		}
+	case 101:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:277
+		//line parser.y:279
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 101:
+	case 102:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line parser.y:281
+		//line parser.y:283
 		{
 			yyVAL.node = Node("If").append(Node("expr").append(yyDollar[3].node)).append(Node("stmt").append(yyDollar[5].node))
 		}
-	case 102:
+	case 103:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line parser.y:285
+		//line parser.y:287
 		{
 			yyVAL.node = yyDollar[1].node.append(Node("ElseIf").append(Node("expr").append(yyDollar[4].node)).append(Node("stmt").append(yyDollar[6].node)))
 		}
-	case 103:
+	case 104:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:291
+		//line parser.y:293
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 104:
+	case 105:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:293
+		//line parser.y:295
 		{
 			yyVAL.node = yyDollar[1].node.append(Node("Else").append(Node("stmt").append(yyDollar[3].node)))
 		}
-	case 105:
+	case 106:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line parser.y:300
+		//line parser.y:302
 		{
 			yyVAL.node = Node("AltIf").append(Node("expr").append(yyDollar[3].node)).append(Node("stmt").append(yyDollar[6].node))
 		}
-	case 106:
+	case 107:
 		yyDollar = yyS[yypt-7 : yypt+1]
-		//line parser.y:304
+		//line parser.y:306
 		{
 			yyVAL.node = yyDollar[1].node.append(Node("AltElseIf").append(Node("expr").append(yyDollar[4].node)).append(Node("stmt").append(yyDollar[7].node)))
 		}
-	case 107:
+	case 108:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:310
+		//line parser.y:312
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 108:
+	case 109:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line parser.y:312
+		//line parser.y:314
 		{
 			yyVAL.node = yyDollar[1].node.append(Node("AltElse").append(Node("stmt").append(yyDollar[4].node)))
 		}
-	case 109:
+	case 110:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line parser.y:320
+		{
+			yyVAL.node = yyDollar[1].node
+		}
+	case 111:
+		yyDollar = yyS[yypt-4 : yypt+1]
+		//line parser.y:321
+		{
+			yyVAL.node = yyDollar[2].node
+		}
+	case 112:
 		yyDollar = yyS[yypt-5 : yypt+1]
-		//line parser.y:318
+		//line parser.y:326
 		{
 			yyVAL.node = yyDollar[1].node.attribute("name", yyDollar[3].token)
 		}
-	case 110:
+	case 113:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:319
+		//line parser.y:327
 		{
 			yyVAL.node = Node("Class").attribute("name", yyDollar[2].token)
 		}
-	case 111:
+	case 114:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:322
+		//line parser.y:330
 		{
 			yyVAL.node = Node("Class").attribute(yyDollar[1].value, "true")
 		}
-	case 112:
+	case 115:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:323
+		//line parser.y:331
 		{
 			yyVAL.node = yyDollar[1].node.attribute(yyDollar[2].value, "true")
 		}
-	case 113:
+	case 116:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:327
+		//line parser.y:335
 		{
 			yyVAL.value = "abstract"
 		}
-	case 114:
+	case 117:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:328
+		//line parser.y:336
 		{
 			yyVAL.value = "final"
 		}
-	case 115:
+	case 118:
 		yyDollar = yyS[yypt-10 : yypt+1]
-		//line parser.y:333
+		//line parser.y:341
 		{
 			yyVAL.node = Node("Function").
 				attribute("name", yyDollar[3].token).
@@ -1460,33 +1496,33 @@ yydefault:
 				append(yyDollar[7].node).
 				append(yyDollar[9].node)
 		}
-	case 116:
+	case 119:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:344
+		//line parser.y:352
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 117:
+	case 120:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:345
+		//line parser.y:353
 		{
 			yyVAL.node = Node("Parameter list")
 		}
-	case 118:
+	case 121:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:348
+		//line parser.y:356
 		{
 			yyVAL.node = Node("Parameter list").append(yyDollar[1].node)
 		}
-	case 119:
+	case 122:
 		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:349
+		//line parser.y:357
 		{
 			yyVAL.node = yyDollar[1].node.append(yyDollar[3].node)
 		}
-	case 120:
+	case 123:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:353
+		//line parser.y:361
 		{
 			yyVAL.node = Node("Parameter").
 				append(yyDollar[1].node).
@@ -1494,9 +1530,9 @@ yydefault:
 				attribute("is_variadic", yyDollar[3].value).
 				attribute("var", yyDollar[4].token)
 		}
-	case 121:
+	case 124:
 		yyDollar = yyS[yypt-6 : yypt+1]
-		//line parser.y:361
+		//line parser.y:369
 		{
 			yyVAL.node = Node("Parameter").
 				append(yyDollar[1].node).
@@ -1505,580 +1541,580 @@ yydefault:
 				attribute("var", yyDollar[4].token).
 				append(yyDollar[6].node)
 		}
-	case 122:
+	case 125:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:372
+		//line parser.y:380
 		{
 			yyVAL.node = Node("No type")
 		}
-	case 123:
+	case 126:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:373
+		//line parser.y:381
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 124:
-		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:377
-		{
-			yyVAL.value = "false"
-		}
-	case 125:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:378
-		{
-			yyVAL.value = "true"
-		}
-	case 126:
-		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:382
-		{
-			yyVAL.value = "false"
-		}
 	case 127:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:383
+		yyDollar = yyS[yypt-0 : yypt+1]
+		//line parser.y:385
 		{
-			yyVAL.value = "true"
+			yyVAL.value = "false"
 		}
 	case 128:
-		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:387
-		{
-			yyVAL.value = "false"
-		}
-	case 129:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:388
+		//line parser.y:386
 		{
 			yyVAL.value = "true"
 		}
+	case 129:
+		yyDollar = yyS[yypt-0 : yypt+1]
+		//line parser.y:390
+		{
+			yyVAL.value = "false"
+		}
 	case 130:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:392
+		//line parser.y:391
+		{
+			yyVAL.value = "true"
+		}
+	case 131:
+		yyDollar = yyS[yypt-0 : yypt+1]
+		//line parser.y:395
+		{
+			yyVAL.value = "false"
+		}
+	case 132:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line parser.y:396
+		{
+			yyVAL.value = "true"
+		}
+	case 133:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line parser.y:400
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 131:
+	case 134:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:393
+		//line parser.y:401
 		{
 			yyVAL.node = yyDollar[2].node
 			yyVAL.node.attribute("nullable", "true")
 		}
-	case 132:
+	case 135:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:397
+		//line parser.y:405
 		{
 			yyVAL.node = yyDollar[1].node
 		}
-	case 133:
+	case 136:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:398
+		//line parser.y:406
 		{
 			yyVAL.node = Node("array type")
 		}
-	case 134:
+	case 137:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:399
+		//line parser.y:407
 		{
 			yyVAL.node = Node("callable type")
 		}
-	case 135:
+	case 138:
 		yyDollar = yyS[yypt-0 : yypt+1]
-		//line parser.y:403
+		//line parser.y:411
 		{
 			yyVAL.node = Node("void")
 		}
-	case 136:
+	case 139:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:404
+		//line parser.y:412
 		{
 			yyVAL.node = yyDollar[2].node
 		}
-	case 137:
-		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:408
-		{
-			yyVAL.node = Node("Assign").append(yyDollar[1].node).append(yyDollar[3].node)
-		}
-	case 138:
-		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:409
-		{
-			yyVAL.node = Node("AssignRef").append(yyDollar[1].node).append(yyDollar[4].node)
-		}
-	case 139:
-		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:410
-		{
-			yyVAL.node = Node("AssignRef").append(yyDollar[1].node).append(yyDollar[4].node)
-		}
 	case 140:
-		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:411
-		{
-			yyVAL.node = Node("Clone").append(yyDollar[2].node)
-		}
-	case 141:
-		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:412
-		{
-			yyVAL.node = Node("AssignAdd").append(yyDollar[1].node).append(yyDollar[3].node)
-		}
-	case 142:
-		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:413
-		{
-			yyVAL.node = Node("AssignSub").append(yyDollar[1].node).append(yyDollar[3].node)
-		}
-	case 143:
-		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:414
-		{
-			yyVAL.node = Node("AssignMul").append(yyDollar[1].node).append(yyDollar[3].node)
-		}
-	case 144:
-		yyDollar = yyS[yypt-3 : yypt+1]
-		//line parser.y:415
-		{
-			yyVAL.node = Node("AssignPow").append(yyDollar[1].node).append(yyDollar[3].node)
-		}
-	case 145:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:416
 		{
-			yyVAL.node = Node("AssignDiv").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Assign").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 146:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 141:
+		yyDollar = yyS[yypt-4 : yypt+1]
 		//line parser.y:417
 		{
-			yyVAL.node = Node("AssignConcat").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignRef").append(yyDollar[1].node).append(yyDollar[4].node)
 		}
-	case 147:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 142:
+		yyDollar = yyS[yypt-4 : yypt+1]
 		//line parser.y:418
 		{
-			yyVAL.node = Node("AssignMod").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignRef").append(yyDollar[1].node).append(yyDollar[4].node)
 		}
-	case 148:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 143:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:419
 		{
-			yyVAL.node = Node("AssignAnd").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Clone").append(yyDollar[2].node)
 		}
-	case 149:
+	case 144:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:420
 		{
-			yyVAL.node = Node("AssignAnd").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignAdd").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 150:
+	case 145:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:421
 		{
-			yyVAL.node = Node("AssignOr").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignSub").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 151:
+	case 146:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:422
 		{
-			yyVAL.node = Node("AssignXor").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignMul").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 152:
+	case 147:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:423
 		{
-			yyVAL.node = Node("AssignShiftLeft").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignPow").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 153:
+	case 148:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:424
 		{
-			yyVAL.node = Node("AssignShiftRight").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignDiv").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 154:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 149:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:425
 		{
-			yyVAL.node = Node("PostIncrement").append(yyDollar[1].node)
+			yyVAL.node = Node("AssignConcat").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 155:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 150:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:426
 		{
-			yyVAL.node = Node("PreIncrement").append(yyDollar[2].node)
+			yyVAL.node = Node("AssignMod").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 156:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 151:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:427
 		{
-			yyVAL.node = Node("PostDecrement").append(yyDollar[1].node)
+			yyVAL.node = Node("AssignAnd").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 157:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 152:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:428
 		{
-			yyVAL.node = Node("PreDecrement").append(yyDollar[2].node)
+			yyVAL.node = Node("AssignAnd").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 158:
+	case 153:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:429
 		{
-			yyVAL.node = Node("Or").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignOr").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 159:
+	case 154:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:430
 		{
-			yyVAL.node = Node("And").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignXor").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 160:
+	case 155:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:431
 		{
-			yyVAL.node = Node("Or").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignShiftLeft").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 161:
+	case 156:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:432
 		{
-			yyVAL.node = Node("And").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("AssignShiftRight").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 162:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 157:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:433
 		{
-			yyVAL.node = Node("Xor").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("PostIncrement").append(yyDollar[1].node)
 		}
-	case 163:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 158:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:434
 		{
-			yyVAL.node = Node("BitwiseOr").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("PreIncrement").append(yyDollar[2].node)
 		}
-	case 164:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 159:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:435
 		{
-			yyVAL.node = Node("BitwiseAnd").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("PostDecrement").append(yyDollar[1].node)
 		}
-	case 165:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 160:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:436
 		{
-			yyVAL.node = Node("BitwiseXor").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("PreDecrement").append(yyDollar[2].node)
 		}
-	case 166:
+	case 161:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:437
 		{
-			yyVAL.node = Node("Concat").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Or").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 167:
+	case 162:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:438
 		{
-			yyVAL.node = Node("Add").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("And").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 168:
+	case 163:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:439
 		{
-			yyVAL.node = Node("Sub").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Or").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 169:
+	case 164:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:440
 		{
-			yyVAL.node = Node("Mul").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("And").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 170:
+	case 165:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:441
 		{
-			yyVAL.node = Node("Pow").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Xor").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 171:
+	case 166:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:442
 		{
-			yyVAL.node = Node("Div").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("BitwiseOr").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 172:
+	case 167:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:443
 		{
-			yyVAL.node = Node("Mod").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("BitwiseAnd").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 173:
+	case 168:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:444
 		{
-			yyVAL.node = Node("ShiftLeft").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("BitwiseXor").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 174:
+	case 169:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:445
 		{
-			yyVAL.node = Node("ShiftRight").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Concat").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 175:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 170:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:446
 		{
-			yyVAL.node = Node("UnaryPlus").append(yyDollar[2].node)
+			yyVAL.node = Node("Add").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 176:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 171:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:447
 		{
-			yyVAL.node = Node("UnaryMinus").append(yyDollar[2].node)
+			yyVAL.node = Node("Sub").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 177:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 172:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:448
 		{
-			yyVAL.node = Node("BooleanNot").append(yyDollar[2].node)
+			yyVAL.node = Node("Mul").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 178:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 173:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:449
 		{
-			yyVAL.node = Node("BitwiseNot").append(yyDollar[2].node)
+			yyVAL.node = Node("Pow").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 179:
+	case 174:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:450
 		{
-			yyVAL.node = Node("Identical").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Div").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 180:
+	case 175:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:451
 		{
-			yyVAL.node = Node("NotIdentical").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Mod").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 181:
+	case 176:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:452
 		{
-			yyVAL.node = Node("Equal").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("ShiftLeft").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 182:
+	case 177:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:453
 		{
-			yyVAL.node = Node("NotEqual").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("ShiftRight").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 183:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 178:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:454
 		{
-			yyVAL.node = Node("Spaceship").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("UnaryPlus").append(yyDollar[2].node)
 		}
-	case 184:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 179:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:455
 		{
-			yyVAL.node = Node("Smaller").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("UnaryMinus").append(yyDollar[2].node)
 		}
-	case 185:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 180:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:456
 		{
-			yyVAL.node = Node("SmallerOrEqual").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("BooleanNot").append(yyDollar[2].node)
 		}
-	case 186:
-		yyDollar = yyS[yypt-3 : yypt+1]
+	case 181:
+		yyDollar = yyS[yypt-2 : yypt+1]
 		//line parser.y:457
 		{
-			yyVAL.node = Node("Greater").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("BitwiseNot").append(yyDollar[2].node)
 		}
-	case 187:
+	case 182:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:458
 		{
-			yyVAL.node = Node("GreaterOrEqual").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Identical").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 188:
+	case 183:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:459
 		{
-			yyVAL.node = yyDollar[2].node
+			yyVAL.node = Node("NotIdentical").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 189:
-		yyDollar = yyS[yypt-5 : yypt+1]
+	case 184:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:460
 		{
-			yyVAL.node = Node("Ternary").append(yyDollar[1].node).append(yyDollar[3].node).append(yyDollar[5].node)
+			yyVAL.node = Node("Equal").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 190:
-		yyDollar = yyS[yypt-4 : yypt+1]
+	case 185:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:461
 		{
-			yyVAL.node = Node("Ternary").append(yyDollar[1].node).append(yyDollar[4].node)
+			yyVAL.node = Node("NotEqual").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 191:
+	case 186:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:462
 		{
-			yyVAL.node = Node("Coalesce").append(yyDollar[1].node).append(yyDollar[3].node)
+			yyVAL.node = Node("Spaceship").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 192:
-		yyDollar = yyS[yypt-4 : yypt+1]
+	case 187:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:463
 		{
-			yyVAL.node = Node("Empty").append(yyDollar[3].node)
+			yyVAL.node = Node("Smaller").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 193:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 188:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:464
 		{
-			yyVAL.node = Node("Include").append(yyDollar[2].node)
+			yyVAL.node = Node("SmallerOrEqual").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
-	case 194:
-		yyDollar = yyS[yypt-2 : yypt+1]
+	case 189:
+		yyDollar = yyS[yypt-3 : yypt+1]
 		//line parser.y:465
 		{
-			yyVAL.node = Node("IncludeOnce").append(yyDollar[2].node)
+			yyVAL.node = Node("Greater").append(yyDollar[1].node).append(yyDollar[3].node)
+		}
+	case 190:
+		yyDollar = yyS[yypt-3 : yypt+1]
+		//line parser.y:466
+		{
+			yyVAL.node = Node("GreaterOrEqual").append(yyDollar[1].node).append(yyDollar[3].node)
+		}
+	case 191:
+		yyDollar = yyS[yypt-3 : yypt+1]
+		//line parser.y:467
+		{
+			yyVAL.node = yyDollar[2].node
+		}
+	case 192:
+		yyDollar = yyS[yypt-5 : yypt+1]
+		//line parser.y:468
+		{
+			yyVAL.node = Node("Ternary").append(yyDollar[1].node).append(yyDollar[3].node).append(yyDollar[5].node)
+		}
+	case 193:
+		yyDollar = yyS[yypt-4 : yypt+1]
+		//line parser.y:469
+		{
+			yyVAL.node = Node("Ternary").append(yyDollar[1].node).append(yyDollar[4].node)
+		}
+	case 194:
+		yyDollar = yyS[yypt-3 : yypt+1]
+		//line parser.y:470
+		{
+			yyVAL.node = Node("Coalesce").append(yyDollar[1].node).append(yyDollar[3].node)
 		}
 	case 195:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:466
+		//line parser.y:471
 		{
-			yyVAL.node = Node("Eval").append(yyDollar[3].node)
+			yyVAL.node = Node("Empty").append(yyDollar[3].node)
 		}
 	case 196:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:467
+		//line parser.y:472
 		{
-			yyVAL.node = Node("Require").append(yyDollar[2].node)
+			yyVAL.node = Node("Include").append(yyDollar[2].node)
 		}
 	case 197:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:468
+		//line parser.y:473
 		{
-			yyVAL.node = Node("RequireOnce").append(yyDollar[2].node)
+			yyVAL.node = Node("IncludeOnce").append(yyDollar[2].node)
 		}
 	case 198:
-		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:469
+		yyDollar = yyS[yypt-4 : yypt+1]
+		//line parser.y:474
 		{
-			yyVAL.node = Node("CastInt").append(yyDollar[2].node)
+			yyVAL.node = Node("Eval").append(yyDollar[3].node)
 		}
 	case 199:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:470
+		//line parser.y:475
 		{
-			yyVAL.node = Node("CastDouble").append(yyDollar[2].node)
+			yyVAL.node = Node("Require").append(yyDollar[2].node)
 		}
 	case 200:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:471
+		//line parser.y:476
 		{
-			yyVAL.node = Node("CastString").append(yyDollar[2].node)
+			yyVAL.node = Node("RequireOnce").append(yyDollar[2].node)
 		}
 	case 201:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:472
+		//line parser.y:477
 		{
-			yyVAL.node = Node("CastArray").append(yyDollar[2].node)
+			yyVAL.node = Node("CastInt").append(yyDollar[2].node)
 		}
 	case 202:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:473
+		//line parser.y:478
 		{
-			yyVAL.node = Node("CastObject").append(yyDollar[2].node)
+			yyVAL.node = Node("CastDouble").append(yyDollar[2].node)
 		}
 	case 203:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:474
+		//line parser.y:479
 		{
-			yyVAL.node = Node("CastBool").append(yyDollar[2].node)
+			yyVAL.node = Node("CastString").append(yyDollar[2].node)
 		}
 	case 204:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:475
+		//line parser.y:480
 		{
-			yyVAL.node = Node("CastUnset").append(yyDollar[2].node)
+			yyVAL.node = Node("CastArray").append(yyDollar[2].node)
 		}
 	case 205:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:476
+		//line parser.y:481
 		{
-			yyVAL.node = Node("Silence").append(yyDollar[2].node)
+			yyVAL.node = Node("CastObject").append(yyDollar[2].node)
 		}
 	case 206:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:478
+		//line parser.y:482
 		{
-			yyVAL.node = Node("Print").append(yyDollar[2].node)
+			yyVAL.node = Node("CastBool").append(yyDollar[2].node)
 		}
 	case 207:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:479
+		yyDollar = yyS[yypt-2 : yypt+1]
+		//line parser.y:483
 		{
-			yyVAL.node = Node("Yield")
+			yyVAL.node = Node("CastUnset").append(yyDollar[2].node)
 		}
 	case 208:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:480
+		//line parser.y:484
 		{
-			yyVAL.node = Node("Yield").append(yyDollar[2].node)
+			yyVAL.node = Node("Silence").append(yyDollar[2].node)
 		}
 	case 209:
-		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:481
-		{
-			yyVAL.node = Node("Yield").append(yyDollar[2].node).append(yyDollar[4].node)
-		}
-	case 210:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:482
-		{
-			yyVAL.node = Node("YieldFrom").append(yyDollar[2].node)
-		}
-	case 211:
-		yyDollar = yyS[yypt-1 : yypt+1]
 		//line parser.y:486
 		{
-			yyVAL.node = yyDollar[1].node
+			yyVAL.node = Node("Print").append(yyDollar[2].node)
 		}
-	case 212:
+	case 210:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		//line parser.y:487
 		{
-			yyVAL.node = yyDollar[1].node
+			yyVAL.node = Node("Yield")
+		}
+	case 211:
+		yyDollar = yyS[yypt-2 : yypt+1]
+		//line parser.y:488
+		{
+			yyVAL.node = Node("Yield").append(yyDollar[2].node)
+		}
+	case 212:
+		yyDollar = yyS[yypt-4 : yypt+1]
+		//line parser.y:489
+		{
+			yyVAL.node = Node("Yield").append(yyDollar[2].node).append(yyDollar[4].node)
 		}
 	case 213:
-		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:491
+		yyDollar = yyS[yypt-2 : yypt+1]
+		//line parser.y:490
 		{
-			yyVAL.node = yyDollar[1].node
+			yyVAL.node = Node("YieldFrom").append(yyDollar[2].node)
 		}
 	case 214:
 		yyDollar = yyS[yypt-1 : yypt+1]
-		//line parser.y:495
+		//line parser.y:494
 		{
 			yyVAL.node = yyDollar[1].node
 		}
 	case 215:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line parser.y:495
+		{
+			yyVAL.node = yyDollar[1].node
+		}
+	case 216:
 		yyDollar = yyS[yypt-1 : yypt+1]
 		//line parser.y:499
+		{
+			yyVAL.node = yyDollar[1].node
+		}
+	case 217:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line parser.y:503
+		{
+			yyVAL.node = yyDollar[1].node
+		}
+	case 218:
+		yyDollar = yyS[yypt-1 : yypt+1]
+		//line parser.y:507
 		{
 			yyVAL.node = Node("Variable").attribute("name", yyDollar[1].token)
 		}
-	case 216:
+	case 219:
 		yyDollar = yyS[yypt-4 : yypt+1]
-		//line parser.y:500
+		//line parser.y:508
 		{
 			yyVAL.node = yyDollar[3].node
 		}
-	case 217:
+	case 220:
 		yyDollar = yyS[yypt-2 : yypt+1]
-		//line parser.y:501
+		//line parser.y:509
 		{
 			yyVAL.node = Node("Variable").append(yyDollar[2].node)
 		}
diff --git a/parser.y b/parser.y
index bd2e804..da75468 100644
--- a/parser.y
+++ b/parser.y
@@ -202,6 +202,7 @@ func (n node) attribute(key string, value string) node {
 %type <node> if_stmt
 %type <node> alt_if_stmt_without_else
 %type <node> alt_if_stmt
+%type <node> while_statement
 
 %%
 
@@ -273,7 +274,8 @@ statement:
     '{' inner_statement_list '}'                        { $$ = $2; }
     |   if_stmt                                         { $$ = $1; }
     |   alt_if_stmt                                     { $$ = $1; }
-    |   T_DO statement T_WHILE '(' expr ')' ';'         { $$ = Node("Do While").append($2).append($5)}
+    |   T_WHILE '(' expr ')' while_statement            { $$ = Node("While").append(Node("expr").append($3)).append(Node("stmt").append($5)) }
+    |   T_DO statement T_WHILE '(' expr ')' ';'         { $$ = Node("DoWhile").append(Node("expr").append($5)).append(Node("stmt").append($2))}
     |   expr ';'                                        { $$ = $1; }
 
 if_stmt_without_else:
@@ -314,6 +316,12 @@ alt_if_stmt:
             }
 ;
 
+while_statement:
+        statement                                       { $$ = $1; }
+    |   ':' inner_statement_list T_ENDWHILE ';'         { $$ = $2; }
+;
+
+
 class_declaration_statement:
         class_modifiers T_CLASS T_STRING '{' '}'        { $$ = $1.attribute("name", $3) }
     |   T_CLASS T_STRING '{' '}'                        { $$ = Node("Class").attribute("name", $2) }
@@ -507,13 +515,9 @@ simple_variable:
 
 const src = `<?
 
-if ($a > $b) : 
-    $b=$c;
-elseif ($a === $b) :
+do {
 
-else :
-
-endif;
+} while ($a >= $b || $a < $c);
 
 `