X-Git-Url: http://nitlanguage.org diff --git a/src/parser/lexer.nit b/src/parser/lexer.nit index 46efff9..e66dc87 100644 --- a/src/parser/lexer.nit +++ b/src/parser/lexer.nit @@ -3,9 +3,10 @@ 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 @@ -40,15 +41,15 @@ redef class TComment end end -redef class TKwpackage +redef class TKwmodule redef fun parser_index: Int do 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 @@ -105,15 +106,15 @@ redef class TKwinterface end end -redef class TKwuniversal +redef class TKwenum redef fun parser_index: Int do 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 @@ -963,7 +964,7 @@ redef class TLe end end -redef class TGt +redef class TLl redef fun parser_index: Int do return 73 @@ -971,6 +972,19 @@ redef class TGt init init_tk(loc: Location) do + _text = once "<<" + _location = loc + end +end + +redef class TGt + redef fun parser_index: Int + do + return 74 + end + + init init_tk(loc: Location) + do _text = once ">" _location = loc end @@ -979,7 +993,7 @@ end redef class TGe redef fun parser_index: Int do - return 74 + return 75 end init init_tk(loc: Location) @@ -989,10 +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 75 + return 77 end init init_tk(loc: Location) @@ -1005,7 +1032,7 @@ end redef class TBang redef fun parser_index: Int do - return 76 + return 78 end init init_tk(loc: Location) @@ -1018,7 +1045,7 @@ 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) @@ -1149,7 +1176,7 @@ end redef class EOF redef fun parser_index: Int do - return 87 + return 89 end init(loc: Location) @@ -1160,7 +1187,7 @@ redef class EOF end redef class AError - readable writable var _message: String + readable var _message: String init init_error(message: String, loc: Location) do @@ -1173,6 +1200,7 @@ end # The lexer extract NIT tokens from an input stream. # It is better user with the Parser class Lexer + super TablesCapable # Last peeked token var _token: nullable Token @@ -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) @@ -1238,7 +1264,7 @@ class Lexer result = get_token end _token = null - return result.as(not null) + return result end # Get a token, or null if it is discarded @@ -1255,8 +1281,6 @@ 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 @@ -1293,22 +1317,20 @@ 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] + dfa_state = lexer_goto(old_state, offset+2) break end end @@ -1324,729 +1346,303 @@ 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 = new TKwmeth.init_tk(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 TKwinit.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 TKwredef.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 TKwis.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 TKwdo.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 TKwreadable.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 TKwwritable.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 TKwvar.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 TKwintern.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 TKwextern.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 TKwprotected.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 TKwprivate.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 TKwintrude.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 TKwif.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 TKwthen.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 TKwelse.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 TKwwhile.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 TKwloop.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 TKwnullable.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 TKwisset.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 TKwlabel.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 TOpar.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 TCpar.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 TObra.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 TCbra.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 TComma.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 TColumn.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 TQuad.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 TAssign.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 TPluseq.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 TMinuseq.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 TDotdotdot.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 TDotdot.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 TDot.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 TPlus.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 TMinus.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 TStar.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 TSlash.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 TPercent.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 TEq.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 TNe.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 TLt.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 TLe.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 TGt.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 TGe.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 TStarship.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 TBang.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, start_line + 1, start_pos + 1, start_pos + 1) @@ -2060,7 +1656,6 @@ class Lexer end end end - return null end # Read the next character. @@ -2102,1224 +1697,5 @@ 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, 33], - [110, 110, 36], - [111, 111, 37], - [112, 112, 38], - [113, 113, 33], - [114, 114, 39], - [115, 115, 40], - [116, 116, 41], - [117, 117, 42], - [118, 118, 43], - [119, 119, 44], - [120, 122, 33], - 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- ] - ] - end end