X-Git-Url: http://nitlanguage.org

diff --git a/src/parser/lexer.nit b/src/parser/lexer.nit
index be1beef..7ac93d4 100644
--- a/src/parser/lexer.nit
+++ b/src/parser/lexer.nit
@@ -3,10 +3,11 @@
 package lexer
 
 intrude import parser_nodes
+private import tables
 
 redef class Token
-    readable writable var _text: String 
-    
+    readable var _text: String
+
     fun parser_index: Int is abstract
 
     redef fun to_s: String do
@@ -17,7 +18,7 @@ end
 redef class TEol
     redef fun parser_index: Int
     do
-    	return 0
+	return 0
     end
 
     init init_tk(text: String, loc: Location)
@@ -30,7 +31,7 @@ end
 redef class TComment
     redef fun parser_index: Int
     do
-    	return 1
+	return 1
     end
 
     init init_tk(text: String, loc: Location)
@@ -40,15 +41,15 @@ redef class TComment
     end
 end
 
-redef class TKwpackage
+redef class TKwmodule
     redef fun parser_index: Int
     do
-    	return 2
+	return 2
     end
 
-    init init_tk(loc: Location)
+    init init_tk(text: String, loc: Location)
     do
-        _text = once "package"
+        _text = text
 		_location = loc
     end
 end
@@ -56,7 +57,7 @@ end
 redef class TKwimport
     redef fun parser_index: Int
     do
-    	return 3
+	return 3
     end
 
     init init_tk(loc: Location)
@@ -69,7 +70,7 @@ end
 redef class TKwclass
     redef fun parser_index: Int
     do
-    	return 4
+	return 4
     end
 
     init init_tk(loc: Location)
@@ -82,7 +83,7 @@ end
 redef class TKwabstract
     redef fun parser_index: Int
     do
-    	return 5
+	return 5
     end
 
     init init_tk(loc: Location)
@@ -95,7 +96,7 @@ end
 redef class TKwinterface
     redef fun parser_index: Int
     do
-    	return 6
+	return 6
     end
 
     init init_tk(loc: Location)
@@ -105,15 +106,15 @@ redef class TKwinterface
     end
 end
 
-redef class TKwuniversal
+redef class TKwenum
     redef fun parser_index: Int
     do
-    	return 7
+	return 7
     end
 
-    init init_tk(loc: Location)
+    init init_tk(text: String, loc: Location)
     do
-        _text = once "universal"
+        _text = text
 		_location = loc
     end
 end
@@ -121,7 +122,7 @@ end
 redef class TKwspecial
     redef fun parser_index: Int
     do
-    	return 8
+	return 8
     end
 
     init init_tk(loc: Location)
@@ -134,7 +135,7 @@ end
 redef class TKwend
     redef fun parser_index: Int
     do
-    	return 9
+	return 9
     end
 
     init init_tk(loc: Location)
@@ -147,12 +148,12 @@ end
 redef class TKwmeth
     redef fun parser_index: Int
     do
-    	return 10
+	return 10
     end
 
-    init init_tk(text: String, loc: Location)
+    init init_tk(loc: Location)
     do
-        _text = text
+        _text = once "fun"
 		_location = loc
     end
 end
@@ -160,7 +161,7 @@ end
 redef class TKwtype
     redef fun parser_index: Int
     do
-    	return 11
+	return 11
     end
 
     init init_tk(loc: Location)
@@ -170,23 +171,10 @@ redef class TKwtype
     end
 end
 
-redef class TKwattr
-    redef fun parser_index: Int
-    do
-    	return 12
-    end
-
-    init init_tk(loc: Location)
-    do
-        _text = once "attr"
-		_location = loc
-    end
-end
-
 redef class TKwinit
     redef fun parser_index: Int
     do
-    	return 13
+	return 12
     end
 
     init init_tk(loc: Location)
@@ -199,7 +187,7 @@ end
 redef class TKwredef
     redef fun parser_index: Int
     do
-    	return 14
+	return 13
     end
 
     init init_tk(loc: Location)
@@ -212,7 +200,7 @@ end
 redef class TKwis
     redef fun parser_index: Int
     do
-    	return 15
+	return 14
     end
 
     init init_tk(loc: Location)
@@ -225,7 +213,7 @@ end
 redef class TKwdo
     redef fun parser_index: Int
     do
-    	return 16
+	return 15
     end
 
     init init_tk(loc: Location)
@@ -238,7 +226,7 @@ end
 redef class TKwreadable
     redef fun parser_index: Int
     do
-    	return 17
+	return 16
     end
 
     init init_tk(loc: Location)
@@ -251,7 +239,7 @@ end
 redef class TKwwritable
     redef fun parser_index: Int
     do
-    	return 18
+	return 17
     end
 
     init init_tk(loc: Location)
@@ -264,7 +252,7 @@ end
 redef class TKwvar
     redef fun parser_index: Int
     do
-    	return 19
+	return 18
     end
 
     init init_tk(loc: Location)
@@ -277,7 +265,7 @@ end
 redef class TKwintern
     redef fun parser_index: Int
     do
-    	return 20
+	return 19
     end
 
     init init_tk(loc: Location)
@@ -290,7 +278,7 @@ end
 redef class TKwextern
     redef fun parser_index: Int
     do
-    	return 21
+	return 20
     end
 
     init init_tk(loc: Location)
@@ -303,7 +291,7 @@ end
 redef class TKwprotected
     redef fun parser_index: Int
     do
-    	return 22
+	return 21
     end
 
     init init_tk(loc: Location)
@@ -316,7 +304,7 @@ end
 redef class TKwprivate
     redef fun parser_index: Int
     do
-    	return 23
+	return 22
     end
 
     init init_tk(loc: Location)
@@ -329,7 +317,7 @@ end
 redef class TKwintrude
     redef fun parser_index: Int
     do
-    	return 24
+	return 23
     end
 
     init init_tk(loc: Location)
@@ -342,7 +330,7 @@ end
 redef class TKwif
     redef fun parser_index: Int
     do
-    	return 25
+	return 24
     end
 
     init init_tk(loc: Location)
@@ -355,7 +343,7 @@ end
 redef class TKwthen
     redef fun parser_index: Int
     do
-    	return 26
+	return 25
     end
 
     init init_tk(loc: Location)
@@ -368,7 +356,7 @@ end
 redef class TKwelse
     redef fun parser_index: Int
     do
-    	return 27
+	return 26
     end
 
     init init_tk(loc: Location)
@@ -381,7 +369,7 @@ end
 redef class TKwwhile
     redef fun parser_index: Int
     do
-    	return 28
+	return 27
     end
 
     init init_tk(loc: Location)
@@ -391,10 +379,23 @@ redef class TKwwhile
     end
 end
 
+redef class TKwloop
+    redef fun parser_index: Int
+    do
+	return 28
+    end
+
+    init init_tk(loc: Location)
+    do
+        _text = once "loop"
+		_location = loc
+    end
+end
+
 redef class TKwfor
     redef fun parser_index: Int
     do
-    	return 29
+	return 29
     end
 
     init init_tk(loc: Location)
@@ -407,7 +408,7 @@ end
 redef class TKwin
     redef fun parser_index: Int
     do
-    	return 30
+	return 30
     end
 
     init init_tk(loc: Location)
@@ -420,7 +421,7 @@ end
 redef class TKwand
     redef fun parser_index: Int
     do
-    	return 31
+	return 31
     end
 
     init init_tk(loc: Location)
@@ -433,7 +434,7 @@ end
 redef class TKwor
     redef fun parser_index: Int
     do
-    	return 32
+	return 32
     end
 
     init init_tk(loc: Location)
@@ -446,7 +447,7 @@ end
 redef class TKwnot
     redef fun parser_index: Int
     do
-    	return 33
+	return 33
     end
 
     init init_tk(loc: Location)
@@ -459,7 +460,7 @@ end
 redef class TKwreturn
     redef fun parser_index: Int
     do
-    	return 34
+	return 34
     end
 
     init init_tk(loc: Location)
@@ -472,7 +473,7 @@ end
 redef class TKwcontinue
     redef fun parser_index: Int
     do
-    	return 35
+	return 35
     end
 
     init init_tk(loc: Location)
@@ -485,7 +486,7 @@ end
 redef class TKwbreak
     redef fun parser_index: Int
     do
-    	return 36
+	return 36
     end
 
     init init_tk(loc: Location)
@@ -498,7 +499,7 @@ end
 redef class TKwabort
     redef fun parser_index: Int
     do
-    	return 37
+	return 37
     end
 
     init init_tk(loc: Location)
@@ -511,7 +512,7 @@ end
 redef class TKwassert
     redef fun parser_index: Int
     do
-    	return 38
+	return 38
     end
 
     init init_tk(loc: Location)
@@ -524,7 +525,7 @@ end
 redef class TKwnew
     redef fun parser_index: Int
     do
-    	return 39
+	return 39
     end
 
     init init_tk(loc: Location)
@@ -537,7 +538,7 @@ end
 redef class TKwisa
     redef fun parser_index: Int
     do
-    	return 40
+	return 40
     end
 
     init init_tk(loc: Location)
@@ -550,7 +551,7 @@ end
 redef class TKwonce
     redef fun parser_index: Int
     do
-    	return 41
+	return 41
     end
 
     init init_tk(loc: Location)
@@ -563,7 +564,7 @@ end
 redef class TKwsuper
     redef fun parser_index: Int
     do
-    	return 42
+	return 42
     end
 
     init init_tk(loc: Location)
@@ -576,7 +577,7 @@ end
 redef class TKwself
     redef fun parser_index: Int
     do
-    	return 43
+	return 43
     end
 
     init init_tk(loc: Location)
@@ -589,7 +590,7 @@ end
 redef class TKwtrue
     redef fun parser_index: Int
     do
-    	return 44
+	return 44
     end
 
     init init_tk(loc: Location)
@@ -602,7 +603,7 @@ end
 redef class TKwfalse
     redef fun parser_index: Int
     do
-    	return 45
+	return 45
     end
 
     init init_tk(loc: Location)
@@ -615,7 +616,7 @@ end
 redef class TKwnull
     redef fun parser_index: Int
     do
-    	return 46
+	return 46
     end
 
     init init_tk(loc: Location)
@@ -628,7 +629,7 @@ end
 redef class TKwas
     redef fun parser_index: Int
     do
-    	return 47
+	return 47
     end
 
     init init_tk(loc: Location)
@@ -638,23 +639,10 @@ redef class TKwas
     end
 end
 
-redef class TKwwith
-    redef fun parser_index: Int
-    do
-    	return 48
-    end
-
-    init init_tk(loc: Location)
-    do
-        _text = once "with"
-		_location = loc
-    end
-end
-
 redef class TKwnullable
     redef fun parser_index: Int
     do
-    	return 49
+	return 48
     end
 
     init init_tk(loc: Location)
@@ -667,7 +655,7 @@ end
 redef class TKwisset
     redef fun parser_index: Int
     do
-    	return 50
+	return 49
     end
 
     init init_tk(loc: Location)
@@ -680,7 +668,7 @@ end
 redef class TKwlabel
     redef fun parser_index: Int
     do
-    	return 51
+	return 50
     end
 
     init init_tk(loc: Location)
@@ -693,7 +681,7 @@ end
 redef class TOpar
     redef fun parser_index: Int
     do
-    	return 52
+	return 51
     end
 
     init init_tk(loc: Location)
@@ -706,7 +694,7 @@ end
 redef class TCpar
     redef fun parser_index: Int
     do
-    	return 53
+	return 52
     end
 
     init init_tk(loc: Location)
@@ -719,7 +707,7 @@ end
 redef class TObra
     redef fun parser_index: Int
     do
-    	return 54
+	return 53
     end
 
     init init_tk(loc: Location)
@@ -732,7 +720,7 @@ end
 redef class TCbra
     redef fun parser_index: Int
     do
-    	return 55
+	return 54
     end
 
     init init_tk(loc: Location)
@@ -745,7 +733,7 @@ end
 redef class TComma
     redef fun parser_index: Int
     do
-    	return 56
+	return 55
     end
 
     init init_tk(loc: Location)
@@ -758,7 +746,7 @@ end
 redef class TColumn
     redef fun parser_index: Int
     do
-    	return 57
+	return 56
     end
 
     init init_tk(loc: Location)
@@ -771,7 +759,7 @@ end
 redef class TQuad
     redef fun parser_index: Int
     do
-    	return 58
+	return 57
     end
 
     init init_tk(loc: Location)
@@ -784,7 +772,7 @@ end
 redef class TAssign
     redef fun parser_index: Int
     do
-    	return 59
+	return 58
     end
 
     init init_tk(loc: Location)
@@ -797,7 +785,7 @@ end
 redef class TPluseq
     redef fun parser_index: Int
     do
-    	return 60
+	return 59
     end
 
     init init_tk(loc: Location)
@@ -810,7 +798,7 @@ end
 redef class TMinuseq
     redef fun parser_index: Int
     do
-    	return 61
+	return 60
     end
 
     init init_tk(loc: Location)
@@ -823,7 +811,7 @@ end
 redef class TDotdotdot
     redef fun parser_index: Int
     do
-    	return 62
+	return 61
     end
 
     init init_tk(loc: Location)
@@ -836,7 +824,7 @@ end
 redef class TDotdot
     redef fun parser_index: Int
     do
-    	return 63
+	return 62
     end
 
     init init_tk(loc: Location)
@@ -849,7 +837,7 @@ end
 redef class TDot
     redef fun parser_index: Int
     do
-    	return 64
+	return 63
     end
 
     init init_tk(loc: Location)
@@ -862,7 +850,7 @@ end
 redef class TPlus
     redef fun parser_index: Int
     do
-    	return 65
+	return 64
     end
 
     init init_tk(loc: Location)
@@ -875,7 +863,7 @@ end
 redef class TMinus
     redef fun parser_index: Int
     do
-    	return 66
+	return 65
     end
 
     init init_tk(loc: Location)
@@ -888,7 +876,7 @@ end
 redef class TStar
     redef fun parser_index: Int
     do
-    	return 67
+	return 66
     end
 
     init init_tk(loc: Location)
@@ -901,7 +889,7 @@ end
 redef class TSlash
     redef fun parser_index: Int
     do
-    	return 68
+	return 67
     end
 
     init init_tk(loc: Location)
@@ -914,7 +902,7 @@ end
 redef class TPercent
     redef fun parser_index: Int
     do
-    	return 69
+	return 68
     end
 
     init init_tk(loc: Location)
@@ -927,7 +915,7 @@ end
 redef class TEq
     redef fun parser_index: Int
     do
-    	return 70
+	return 69
     end
 
     init init_tk(loc: Location)
@@ -940,7 +928,7 @@ end
 redef class TNe
     redef fun parser_index: Int
     do
-    	return 71
+	return 70
     end
 
     init init_tk(loc: Location)
@@ -953,7 +941,7 @@ end
 redef class TLt
     redef fun parser_index: Int
     do
-    	return 72
+	return 71
     end
 
     init init_tk(loc: Location)
@@ -966,7 +954,7 @@ end
 redef class TLe
     redef fun parser_index: Int
     do
-    	return 73
+	return 72
     end
 
     init init_tk(loc: Location)
@@ -976,10 +964,23 @@ redef class TLe
     end
 end
 
+redef class TLl
+    redef fun parser_index: Int
+    do
+	return 73
+    end
+
+    init init_tk(loc: Location)
+    do
+        _text = once "<<"
+		_location = loc
+    end
+end
+
 redef class TGt
     redef fun parser_index: Int
     do
-    	return 74
+	return 74
     end
 
     init init_tk(loc: Location)
@@ -992,7 +993,7 @@ end
 redef class TGe
     redef fun parser_index: Int
     do
-    	return 75
+	return 75
     end
 
     init init_tk(loc: Location)
@@ -1002,10 +1003,23 @@ redef class TGe
     end
 end
 
+redef class TGg
+    redef fun parser_index: Int
+    do
+	return 76
+    end
+
+    init init_tk(loc: Location)
+    do
+        _text = once ">>"
+		_location = loc
+    end
+end
+
 redef class TStarship
     redef fun parser_index: Int
     do
-    	return 76
+	return 77
     end
 
     init init_tk(loc: Location)
@@ -1015,10 +1029,23 @@ redef class TStarship
     end
 end
 
+redef class TBang
+    redef fun parser_index: Int
+    do
+	return 78
+    end
+
+    init init_tk(loc: Location)
+    do
+        _text = once "!"
+		_location = loc
+    end
+end
+
 redef class TClassid
     redef fun parser_index: Int
     do
-    	return 77
+	return 79
     end
 
     init init_tk(text: String, loc: Location)
@@ -1031,7 +1058,7 @@ end
 redef class TId
     redef fun parser_index: Int
     do
-    	return 78
+	return 80
     end
 
     init init_tk(text: String, loc: Location)
@@ -1044,7 +1071,7 @@ end
 redef class TAttrid
     redef fun parser_index: Int
     do
-    	return 79
+	return 81
     end
 
     init init_tk(text: String, loc: Location)
@@ -1057,7 +1084,7 @@ end
 redef class TNumber
     redef fun parser_index: Int
     do
-    	return 80
+	return 82
     end
 
     init init_tk(text: String, loc: Location)
@@ -1070,7 +1097,7 @@ end
 redef class TFloat
     redef fun parser_index: Int
     do
-    	return 81
+	return 83
     end
 
     init init_tk(text: String, loc: Location)
@@ -1083,7 +1110,7 @@ end
 redef class TChar
     redef fun parser_index: Int
     do
-    	return 82
+	return 84
     end
 
     init init_tk(text: String, loc: Location)
@@ -1096,7 +1123,7 @@ end
 redef class TString
     redef fun parser_index: Int
     do
-    	return 83
+	return 85
     end
 
     init init_tk(text: String, loc: Location)
@@ -1109,7 +1136,7 @@ end
 redef class TStartString
     redef fun parser_index: Int
     do
-    	return 84
+	return 86
     end
 
     init init_tk(text: String, loc: Location)
@@ -1122,7 +1149,7 @@ end
 redef class TMidString
     redef fun parser_index: Int
     do
-    	return 85
+	return 87
     end
 
     init init_tk(text: String, loc: Location)
@@ -1135,7 +1162,7 @@ end
 redef class TEndString
     redef fun parser_index: Int
     do
-    	return 86
+	return 88
     end
 
     init init_tk(text: String, loc: Location)
@@ -1146,12 +1173,12 @@ redef class TEndString
 end
 
 
-redef class EOF 
+redef class EOF
     redef fun parser_index: Int
     do
-    	return 87
+	return 89
     end
-    
+
     init(loc: Location)
     do
         _text = ""
@@ -1160,8 +1187,8 @@ redef class EOF
 end
 
 redef class AError
-    readable writable var _message: String 
-    
+    readable var _message: String
+
     init init_error(message: String, loc: Location)
     do
 		init(loc)
@@ -1173,6 +1200,7 @@ end
 # The lexer extract NIT tokens from an input stream.
 # It is better user with the Parser
 class Lexer
+special TablesCapable
 	# Last peeked token
 	var _token: nullable Token
 
@@ -1180,7 +1208,7 @@ class Lexer
 	var _state: Int = 0
 
 	# Name of the stream (as given to tokens)
-	readable var _filename: String 
+	readable var _filename: String
 
 	# Input stream where character are read
 	var _stream: IStream
@@ -1217,8 +1245,6 @@ class Lexer
 		_stream = stream
 		_stream_pos = -1
 		_stream_buf = new Buffer
-		build_goto_table
-		build_accept_table
 	end
 
 	# Give the next token (but do not consume it)
@@ -1255,12 +1281,10 @@ class Lexer
 		var accept_pos = -1
 		var accept_line = -1
 
-		var goto_table = _goto_table[_state]
-		var accept = _accept_table[_state]
 		var text = _text
 		text.clear
 
-		while true do
+		loop
 			var c = get_char
 
 			if c != -1 then
@@ -1285,8 +1309,7 @@ class Lexer
 
 				text.add(c.ascii)
 
-				var first_loop = true # aka until
-				while dfa_state < -1 or first_loop do
+				loop
 					var old_state = dfa_state
 					if dfa_state < -1 then
 						old_state = -2 - dfa_state
@@ -1294,27 +1317,25 @@ class Lexer
 
 					dfa_state = -1
 
-					var tmp0 = goto_table[old_state]
 					var low = 0
-					var high = tmp0.length - 1
+					var high = lexer_goto(old_state, 0) - 1
 
 					if high >= 0 then
-						var tmp1 = tmp0.intern_items
 						while low <= high do
 							var middle = (low + high) / 2
-							var tmp2 = tmp1[middle].intern_items
+							var offset = middle * 3 + 1 # +1 because length is at 0
 
-							if c < tmp2[0] then
+							if c < lexer_goto(old_state, offset) then
 								high = middle - 1
-							else if c > tmp2[1] then
+							else if c > lexer_goto(old_state, offset+1) then
 								low = middle + 1
 							else
-								dfa_state = tmp2[2]
-								low = high + 1 # aka break
+								dfa_state = lexer_goto(old_state, offset+2)
+								break
 							end
 						end
 					end
-					first_loop = false # aka until
+					if dfa_state > -2 then break
 				end
 
 				_cr = cr
@@ -1325,735 +1346,308 @@ class Lexer
 			end
 
 			if dfa_state >= 0 then
-				if accept[dfa_state] != -1 then
+				var tok = lexer_accept(dfa_state)
+				if tok != -1 then
 					accept_state = dfa_state
-					accept_token = accept[dfa_state]
+					accept_token = tok
 					accept_length = text.length
 					accept_pos = _pos
 					accept_line = _line
 				end
 			else
 				if accept_state != -1 then
+					var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
+					_pos = accept_pos
+					_line = accept_line
+					push_back(accept_length)
 					if accept_token == 0 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
 						return null
 					end
 					if accept_token == 1 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TEol.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TEol.init_tk(token_text, location)
 					end
 					if accept_token == 2 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TComment.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TComment.init_tk(token_text, location)
 					end
 					if accept_token == 3 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwpackage.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						var token_text = text.substring(0, accept_length)
+						return new TKwmodule.init_tk(token_text, location)
 					end
 					if accept_token == 4 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwimport.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwimport.init_tk(location)
 					end
 					if accept_token == 5 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwclass.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwclass.init_tk(location)
 					end
 					if accept_token == 6 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwabstract.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwabstract.init_tk(location)
 					end
 					if accept_token == 7 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwinterface.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwinterface.init_tk(location)
 					end
 					if accept_token == 8 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwuniversal.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						var token_text = text.substring(0, accept_length)
+						return new TKwenum.init_tk(token_text, location)
 					end
 					if accept_token == 9 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwspecial.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwspecial.init_tk(location)
 					end
 					if accept_token == 10 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwend.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwend.init_tk(location)
 					end
 					if accept_token == 11 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token_text = text.substring(0, accept_length)
-						var token = new TKwmeth.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwmeth.init_tk(location)
 					end
 					if accept_token == 12 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwtype.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwtype.init_tk(location)
 					end
 					if accept_token == 13 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwattr.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwinit.init_tk(location)
 					end
 					if accept_token == 14 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwinit.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwredef.init_tk(location)
 					end
 					if accept_token == 15 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwredef.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwis.init_tk(location)
 					end
 					if accept_token == 16 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwis.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwdo.init_tk(location)
 					end
 					if accept_token == 17 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwdo.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwreadable.init_tk(location)
 					end
 					if accept_token == 18 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwreadable.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwwritable.init_tk(location)
 					end
 					if accept_token == 19 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwwritable.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwvar.init_tk(location)
 					end
 					if accept_token == 20 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwvar.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwintern.init_tk(location)
 					end
 					if accept_token == 21 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwintern.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwextern.init_tk(location)
 					end
 					if accept_token == 22 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwextern.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwprotected.init_tk(location)
 					end
 					if accept_token == 23 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwprotected.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwprivate.init_tk(location)
 					end
 					if accept_token == 24 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwprivate.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwintrude.init_tk(location)
 					end
 					if accept_token == 25 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwintrude.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwif.init_tk(location)
 					end
 					if accept_token == 26 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwif.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwthen.init_tk(location)
 					end
 					if accept_token == 27 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwthen.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwelse.init_tk(location)
 					end
 					if accept_token == 28 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwelse.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwwhile.init_tk(location)
 					end
 					if accept_token == 29 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwwhile.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwloop.init_tk(location)
 					end
 					if accept_token == 30 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwfor.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwfor.init_tk(location)
 					end
 					if accept_token == 31 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwin.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwin.init_tk(location)
 					end
 					if accept_token == 32 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwand.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwand.init_tk(location)
 					end
 					if accept_token == 33 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwor.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwor.init_tk(location)
 					end
 					if accept_token == 34 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwnot.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwnot.init_tk(location)
 					end
 					if accept_token == 35 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwreturn.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwreturn.init_tk(location)
 					end
 					if accept_token == 36 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwcontinue.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwcontinue.init_tk(location)
 					end
 					if accept_token == 37 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwbreak.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwbreak.init_tk(location)
 					end
 					if accept_token == 38 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwabort.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwabort.init_tk(location)
 					end
 					if accept_token == 39 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwassert.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwassert.init_tk(location)
 					end
 					if accept_token == 40 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwnew.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwnew.init_tk(location)
 					end
 					if accept_token == 41 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwisa.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwisa.init_tk(location)
 					end
 					if accept_token == 42 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwonce.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwonce.init_tk(location)
 					end
 					if accept_token == 43 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwsuper.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwsuper.init_tk(location)
 					end
 					if accept_token == 44 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwself.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwself.init_tk(location)
 					end
 					if accept_token == 45 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwtrue.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwtrue.init_tk(location)
 					end
 					if accept_token == 46 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwfalse.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwfalse.init_tk(location)
 					end
 					if accept_token == 47 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwnull.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwnull.init_tk(location)
 					end
 					if accept_token == 48 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwas.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwas.init_tk(location)
 					end
 					if accept_token == 49 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwwith.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwnullable.init_tk(location)
 					end
 					if accept_token == 50 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwnullable.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwisset.init_tk(location)
 					end
 					if accept_token == 51 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwisset.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TKwlabel.init_tk(location)
 					end
 					if accept_token == 52 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TKwlabel.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TOpar.init_tk(location)
 					end
 					if accept_token == 53 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TOpar.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TCpar.init_tk(location)
 					end
 					if accept_token == 54 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TCpar.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TObra.init_tk(location)
 					end
 					if accept_token == 55 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TObra.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TCbra.init_tk(location)
 					end
 					if accept_token == 56 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TCbra.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TComma.init_tk(location)
 					end
 					if accept_token == 57 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TComma.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TColumn.init_tk(location)
 					end
 					if accept_token == 58 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TColumn.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TQuad.init_tk(location)
 					end
 					if accept_token == 59 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TQuad.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TAssign.init_tk(location)
 					end
 					if accept_token == 60 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TAssign.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TPluseq.init_tk(location)
 					end
 					if accept_token == 61 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TPluseq.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TMinuseq.init_tk(location)
 					end
 					if accept_token == 62 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TMinuseq.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TDotdotdot.init_tk(location)
 					end
 					if accept_token == 63 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TDotdotdot.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TDotdot.init_tk(location)
 					end
 					if accept_token == 64 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TDotdot.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TDot.init_tk(location)
 					end
 					if accept_token == 65 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TDot.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TPlus.init_tk(location)
 					end
 					if accept_token == 66 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TPlus.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TMinus.init_tk(location)
 					end
 					if accept_token == 67 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TMinus.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TStar.init_tk(location)
 					end
 					if accept_token == 68 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TStar.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TSlash.init_tk(location)
 					end
 					if accept_token == 69 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TSlash.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TPercent.init_tk(location)
 					end
 					if accept_token == 70 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TPercent.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TEq.init_tk(location)
 					end
 					if accept_token == 71 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TEq.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TNe.init_tk(location)
 					end
 					if accept_token == 72 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TNe.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TLt.init_tk(location)
 					end
 					if accept_token == 73 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TLt.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TLe.init_tk(location)
 					end
 					if accept_token == 74 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TLe.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TLl.init_tk(location)
 					end
 					if accept_token == 75 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TGt.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TGt.init_tk(location)
 					end
 					if accept_token == 76 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TGe.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TGe.init_tk(location)
 					end
 					if accept_token == 77 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token = new TStarship.init_tk(location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TGg.init_tk(location)
 					end
 					if accept_token == 78 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token_text = text.substring(0, accept_length)
-						var token = new TClassid.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TStarship.init_tk(location)
 					end
 					if accept_token == 79 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
-						var token_text = text.substring(0, accept_length)
-						var token = new TId.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TBang.init_tk(location)
 					end
 					if accept_token == 80 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TAttrid.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TClassid.init_tk(token_text, location)
 					end
 					if accept_token == 81 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TNumber.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TId.init_tk(token_text, location)
 					end
 					if accept_token == 82 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TFloat.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TAttrid.init_tk(token_text, location)
 					end
 					if accept_token == 83 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TChar.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TNumber.init_tk(token_text, location)
 					end
 					if accept_token == 84 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TString.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TFloat.init_tk(token_text, location)
 					end
 					if accept_token == 85 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TStartString.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TChar.init_tk(token_text, location)
 					end
 					if accept_token == 86 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TMidString.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TString.init_tk(token_text, location)
 					end
 					if accept_token == 87 then
-						var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
 						var token_text = text.substring(0, accept_length)
-						var token = new TEndString.init_tk(token_text, location)
-						push_back(accept_length)
-						_pos = accept_pos
-						_line = accept_line
-						return token
+						return new TStartString.init_tk(token_text, location)
+					end
+					if accept_token == 88 then
+						var token_text = text.substring(0, accept_length)
+						return new TMidString.init_tk(token_text, location)
+					end
+					if accept_token == 89 then
+						var token_text = text.substring(0, accept_length)
+						return new TEndString.init_tk(token_text, location)
 					end
 				else
-					var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
+					var location = new Location(_filename, start_line + 1, start_line + 1, start_pos + 1, start_pos + 1)
 					if text.length > 0 then
-						var token = new AError.init_error("Unknown token: {text}", location)
+						var token = new AError.init_error("Syntax error: unknown token {text}.", location)
 						return token
 					else
 						var token = new EOF(location)
@@ -2061,8 +1655,9 @@ class Lexer
 					end
 				end
 			end
+			if false then break # FIXME remove once unreach loop exits are in c_src
 		end
-		return null
+		return null # FIXME remove once unreach loop exits are in c_src
 	end
 
 	# Read the next character.
@@ -2104,1255 +1699,5 @@ class Lexer
 			i = i - 1
 		end
 	end
-
-	var _goto_table: Array[Array[Array[Array[Int]]]]
-	private fun build_goto_table
-	do
-		_goto_table = once [
-			[
-				[
-					[9, 9, 1] ,
-					[10, 10, 2] ,
-					[13, 13, 3] ,
-					[32, 32, 4] ,
-					[33, 33, 5] ,
-					[34, 34, 6] ,
-					[35, 35, 7] ,
-					[37, 37, 8] ,
-					[39, 39, 9] ,
-					[40, 40, 10] ,
-					[41, 41, 11] ,
-					[42, 42, 12] ,
-					[43, 43, 13] ,
-					[44, 44, 14] ,
-					[45, 45, 15] ,
-					[46, 46, 16] ,
-					[47, 47, 17] ,
-					[48, 57, 18] ,
-					[58, 58, 19] ,
-					[60, 60, 20] ,
-					[61, 61, 21] ,
-					[62, 62, 22] ,
-					[65, 90, 23] ,
-					[91, 91, 24] ,
-					[93, 93, 25] ,
-					[95, 95, 26] ,
-					[97, 97, 27] ,
-					[98, 98, 28] ,
-					[99, 99, 29] ,
-					[100, 100, 30] ,
-					[101, 101, 31] ,
-					[102, 102, 32] ,
-					[103, 104, 33] ,
-					[105, 105, 34] ,
-					[106, 107, 33] ,
-					[108, 108, 35] ,
-					[109, 109, 36] ,
-					[110, 110, 37] ,
-					[111, 111, 38] ,
-					[112, 112, 39] ,
-					[113, 113, 33] ,
-					[114, 114, 40] ,
-					[115, 115, 41] ,
-					[116, 116, 42] ,
-					[117, 117, 43] ,
-					[118, 118, 44] ,
-					[119, 119, 45] ,
-					[120, 122, 33] ,
-					[125, 125, 46] 
-				] ,
-				[
-					[9, 9, 1] ,
-					[32, 32, 4] 
-				] ,
-				nil_array ,
-				[
-					[10, 10, 47] 
-				] ,
-				[
-					[9, 32, -3] 
-				] ,
-				[
-					[61, 61, 48] 
-				] ,
-				[
-					[0, 9, 49] ,
-					[11, 12, 49] ,
-					[14, 33, 49] ,
-					[34, 34, 50] ,
-					[35, 91, 49] ,
-					[92, 92, 51] ,
-					[93, 122, 49] ,
-					[123, 123, 52] ,
-					[124, 255, 49] 
-				] ,
-				[
-					[0, 9, 53] ,
-					[10, 10, 54] ,
-					[11, 12, 53] ,
-					[13, 13, 55] ,
-					[14, 255, 53] 
-				] ,
-				nil_array ,
-				[
-					[0, 9, 56] ,
-					[11, 12, 56] ,
-					[14, 38, 56] ,
-					[39, 39, 57] ,
-					[40, 255, 56] 
-				] ,
-				nil_array ,
-				nil_array ,
-				nil_array ,
-				[
-					[61, 61, 58] 
-				] ,
-				nil_array ,
-				[
-					[61, 61, 59] 
-				] ,
-				[
-					[46, 46, 60] ,
-					[48, 57, 61] 
-				] ,
-				nil_array ,
-				[
-					[46, 46, 62] ,
-					[48, 57, 18] 
-				] ,
-				[
-					[58, 58, 63] 
-				] ,
-				[
-					[61, 61, 64] 
-				] ,
-				[
-					[61, 61, 65] 
-				] ,
-				[
-					[61, 61, 66] 
-				] ,
-				[
-					[48, 57, 67] ,
-					[65, 90, 68] ,
-					[95, 95, 69] ,
-					[97, 122, 70] 
-				] ,
-				nil_array ,
-				nil_array ,
-				[
-					[97, 122, 71] 
-				] ,
-				[
-					[48, 57, 72] ,
-					[65, 90, 73] ,
-					[95, 95, 74] ,
-					[97, 97, 75] ,
-					[98, 98, 76] ,
-					[99, 109, 75] ,
-					[110, 110, 77] ,
-					[111, 114, 75] ,
-					[115, 115, 78] ,
-					[116, 116, 79] ,
-					[117, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 113, 75] ,
-					[114, 114, 80] ,
-					[115, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 107, 75] ,
-					[108, 108, 81] ,
-					[109, 110, 75] ,
-					[111, 111, 82] ,
-					[112, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 110, 75] ,
-					[111, 111, 83] ,
-					[112, 122, 75] 
-				] ,
-				[
-					[48, 107, -31] ,
-					[108, 108, 84] ,
-					[109, 109, 75] ,
-					[110, 110, 85] ,
-					[111, 119, 75] ,
-					[120, 120, 86] ,
-					[121, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 97, 87] ,
-					[98, 110, 75] ,
-					[111, 111, 88] ,
-					[112, 116, 75] ,
-					[117, 117, 89] ,
-					[118, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 101, 75] ,
-					[102, 102, 90] ,
-					[103, 108, 75] ,
-					[109, 109, 91] ,
-					[110, 110, 92] ,
-					[111, 114, 75] ,
-					[115, 115, 93] ,
-					[116, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 97, 94] ,
-					[98, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 100, 75] ,
-					[101, 101, 95] ,
-					[102, 122, 75] 
-				] ,
-				[
-					[48, 100, -38] ,
-					[101, 101, 96] ,
-					[102, 110, 75] ,
-					[111, 111, 97] ,
-					[112, 116, 75] ,
-					[117, 117, 98] ,
-					[118, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 109, 75] ,
-					[110, 110, 99] ,
-					[111, 113, 75] ,
-					[114, 114, 100] ,
-					[115, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 97, 101] ,
-					[98, 113, 75] ,
-					[114, 114, 102] ,
-					[115, 122, 75] 
-				] ,
-				[
-					[48, 100, -38] ,
-					[101, 101, 103] ,
-					[102, 122, 75] 
-				] ,
-				[
-					[48, 100, -38] ,
-					[101, 101, 104] ,
-					[102, 111, 75] ,
-					[112, 112, 105] ,
-					[113, 116, 75] ,
-					[117, 117, 106] ,
-					[118, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 103, 75] ,
-					[104, 104, 107] ,
-					[105, 113, 75] ,
-					[114, 114, 108] ,
-					[115, 120, 75] ,
-					[121, 121, 109] ,
-					[122, 122, 75] 
-				] ,
-				[
-					[48, 109, -40] ,
-					[110, 110, 110] ,
-					[111, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 97, 111] ,
-					[98, 122, 75] 
-				] ,
-				[
-					[48, 103, -44] ,
-					[104, 104, 112] ,
-					[105, 105, 113] ,
-					[106, 113, 75] ,
-					[114, 114, 114] ,
-					[115, 122, 75] 
-				] ,
-				[
-					[0, 9, 115] ,
-					[11, 12, 115] ,
-					[14, 33, 115] ,
-					[34, 34, 116] ,
-					[35, 91, 115] ,
-					[92, 92, 117] ,
-					[93, 122, 115] ,
-					[123, 123, 118] ,
-					[124, 255, 115] 
-				] ,
-				nil_array ,
-				nil_array ,
-				[
-					[0, 255, -8] 
-				] ,
-				nil_array ,
-				[
-					[0, 9, 119] ,
-					[11, 12, 119] ,
-					[14, 255, 119] 
-				] ,
-				nil_array ,
-				[
-					[0, 255, -9] 
-				] ,
-				nil_array ,
-				[
-					[10, 10, 120] 
-				] ,
-				[
-					[0, 255, -11] 
-				] ,
-				nil_array ,
-				nil_array ,
-				nil_array ,
-				[
-					[46, 46, 121] 
-				] ,
-				[
-					[48, 57, 61] 
-				] ,
-				[
-					[48, 57, 61] 
-				] ,
-				nil_array ,
-				[
-					[62, 62, 122] 
-				] ,
-				nil_array ,
-				nil_array ,
-				[
-					[48, 122, -25] 
-				] ,
-				[
-					[48, 122, -25] 
-				] ,
-				[
-					[48, 122, -25] 
-				] ,
-				[
-					[48, 122, -25] 
-				] ,
-				[
-					[48, 57, 123] ,
-					[65, 90, 124] ,
-					[95, 95, 125] ,
-					[97, 122, 126] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 110, -32] ,
-					[111, 111, 127] ,
-					[112, 114, 75] ,
-					[115, 115, 128] ,
-					[116, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 99, 75] ,
-					[100, 100, 129] ,
-					[101, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 114, 75] ,
-					[115, 115, 130] ,
-					[116, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 115, 75] ,
-					[116, 116, 131] ,
-					[117, 122, 75] 
-				] ,
-				[
-					[48, 100, -38] ,
-					[101, 101, 132] ,
-					[102, 122, 75] 
-				] ,
-				[
-					[48, 95, -29] ,
-					[97, 97, 133] ,
-					[98, 122, 75] 
-				] ,
-				[
-					[48, 109, -40] ,
-					[110, 110, 134] ,
-					[111, 122, 75] 
-				] ,
-				[
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-				[
-					[48, 99, -79] ,
-					[100, 100, 268] ,
-					[101, 122, 75] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 107, -31] ,
-					[108, 108, 269] ,
-					[109, 122, 75] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 122, -35] 
-				] ,
-				[
-					[48, 122, -35] 
-				] 
-			] 
-		]
-	end
-    
-	private fun nil_array: Array[Array[Int]]
-	do
-		return once new Array[Array[Int]]
-	end
-
-	var _accept_table: Array[Array[Int]]
-	private fun build_accept_table do
-		_accept_table = once [
-            		[
-				-1 , 0 , 1 , 1 , 0 , -1 , -1 , -1 , 70 , -1 , 53 , 54 , 68 , 66 , 57 , 67 , 65 , 69 , 81 , 58 , 73 , 60 , 75 , 78 , 55 , 56 , -1 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , -1 , 1 , 72 , -1 , 84 , -1 , 85 , -1 , 2 , 2 , -1 , 83 , 61 , 62 , 64 , 82 , -1 , 59 , 74 , 71 , 76 , 78 , 78 , 78 , 78 , 80 , 79 , 79 , 79 , 79 , 79 , 79 , 48 , 79 , 79 , 79 , 79 , 17 , 79 , 79 , 79 , 79 , 79 , 79 , 26 , 79 , 31 , 16 , 79 , 79 , 79 , 79 , 79 , 79 , 33 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , -1 , 87 , -1 , 86 , -1 , 2 , 63 , 77 , 80 , 80 , 80 , 80 , 79 , 79 , 32 , 79 , 79 , 79 , 79 , 79 , 79 , 10 , 79 , 79 , 30 , 11 , 79 , 79 , 79 , 41 , 79 , 79 , 79 , 40 , 34 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 79 , 20 , 79 , 79 , 79 , -1 , 79 , 79 , 79 , 13 , 79 , 79 , 79 , 28 , 79 , 79 , 79 , 14 , 79 , 79 , 79 , 79 , 11 , 47 , 42 , 79 , 79 , 79 , 79 , 79 , 79 , 44 , 79 , 79 , 27 , 45 , 12 , 79 , 79 , 49 , 79 , 38 , 79 , 79 , 37 , 5 , 79 , 79 , 46 , 79 , 79 , 79 , 51 , 52 , 79 , 79 , 79 , 79 , 79 , 15 , 79 , 79 , 43 , 79 , 29 , 79 , 79 , 39 , 79 , 22 , 4 , 79 , 21 , 79 , 79 , 79 , 79 , 79 , 79 , 35 , 79 , 79 , 79 , 79 , 79 , 79 , 25 , 79 , 3 , 24 , 79 , 79 , 9 , 79 , 79 , 6 , 36 , 79 , 50 , 79 , 18 , 79 , 19 , 7 , 23 , 8  
-
-			] 
-		]
-	end
 end