Cannot parse toml grammar #9
Description
Hello,
I would like to parse this file : https://github.com/toml-lang/toml/blob/abnf/toml.abnf
It seems correct, but ex_abnf fails. Do you know why ?
Thank you !
** (throw) {:incomplete_parsing, 'expression = (\r\n ws /\r\n ws comment /\r\n ws keyval ws [ comment ] /\r\n ws table ws [ comment ]\r\n)\r\n\r\n;; Newline\r\n\r\nnewline = (\r\n %x0A / ; LF\r\n %x0D.0A ; CRLF\r\n)\r\n\r\nnewlines = 1*newline\r\n\r\n;; Whitespace\r\n\r\nws = *(\r\n %x20 / ; Space\r\n %x09 ; Horizontal tab\r\n)\r\n\r\n;; Comment\r\n\r\ncomment-start-symbol = %x23 ; #\r\nnon-eol = %x09 / %x20-10FFFF\r\ncomment = comment-start-symbol *non-eol\r\n\r\n;; Key-Value pairs\r\n\r\nkeyval-sep = ws %x3D ws ; =\r\nkeyval = key keyval-sep val\r\n\r\nkey = unquoted-key / quoted-key\r\nunquoted-key = 1*( ALPHA / DIGIT / %x2D / %x5F ) ; A-Z / a-z / 0-9 / - / _\r\nquoted-key = quotation-mark 1*basic-char quotation-mark ; See Basic Strings\r\n\r\nval = integer / float / string / boolean / date-time / array / inline-table\r\n\r\n;; Table\r\n\r\ntable = std-table / array-table\r\n\r\n;; Standard Table\r\n\r\nstd-table-open = %x5B ws ; [ Left square bracket\r\nstd-table-close = ws %x5D ; ] Right square bracket\r\ntable-key-sep = ws %x2E ws ; . Period\r\n\r\nstd-table = std-table-open key *( table-key-sep key) std-table-close\r\n\r\n;; Array Table\r\n\r\narray-table-open = %x5B.5B ws ; [[ Double left square bracket\r\narray-table-close = ws %x5D.5D ; ]] Double right quare bracket\r\n\r\narray-table = array-table-open key *( table-key-sep key) array-table-close\r\n\r\n;; Integer\r\n\r\ninteger = [ minus / plus ] int\r\nminus = %x2D ; -\r\nplus = %x2B ; +\r\ndigit1-9 = %x31-39 ; 1-9\r\nunderscore = %x5F ; _\r\nint = DIGIT / digit1-9 1*( DIGIT / underscore DIGIT )\r\n\r\n;; Float\r\n\r\nfloat = integer ( frac / frac exp / exp )\r\nzero-prefixable-int = DIGIT *( DIGIT / underscore DIGIT )\r\nfrac = decimal-point zero-prefixable-int\r\ndecimal-point = %x2E ; .\r\nexp = e integer\r\ne = %x65 / %x45 ; e E\r\n\r\n;; String\r\n\r\nstring = basic-string / ml-basic-string / literal-string / ml-literal-string\r\n\r\n;; Basic String\r\n\r\nbasic-string = quotation-mark *basic-char quotation-mark\r\n\r\nquotation-mark = %x22 ; "\r\n\r\nbasic-char = basic-unescaped / escaped\r\nescaped = escape ( %x22 / ; " quotation mark U+0022\r\n %x5C / ; \\ reverse solidus U+005C\r\n %x2F / ; / solidus U+002F\r\n %x62 / ; b backspace U+0008\r\n %x66 / ; f form feed U+000C\r\n %x6E / ; n line feed U+000A\r\n %x72 / ; r carriage return U+000D\r\n %x74 / ; t tab U+0009\r\n %x75 4HEXDIG / ; uXXXX U+XXXX\r\n %x55 8HEXDIG ) ; UXXXXXXXX U+XXXXXXXX\r\n\r\nbasic-unescaped = %x20-21 / %x23-5B / %x5D-10FFFF\r\n\r\nescape = %x5C ; \\\r\n\r\n;; Multiline Basic String\r\n\r\nml-basic-string-delim = quotation-mark quotation-mark quotation-mark\r\nml-basic-string = ml-basic-string-delim ml-basic-body ml-basic-string-delim\r\nml-basic-body = *( ml-basic-char / newline / ( escape newline ))\r\n\r\nml-basic-char = ml-basic-unescaped / escaped\r\nml-basic-unescaped = %x20-5B / %x5D-10FFFF\r\n\r\n;; Literal String\r\n\r\nliteral-string = apostraphe *literal-char apostraphe\r\n\r\napostraphe = %x27 ; \' Apostraphe\r\n\r\nliteral-char = %x09 / %x20-26 / %x28-10FFFF\r\n\r\n;; Multiline Literal String\r\n\r\nml-literal-string-delim = apostraphe apostraphe apostraphe\r\nml-literal-string = ml-literal-string-delim ml-literal-body ml-literal-string-delim\r\n\r\nml-literal-body = *( ml-literal-char / newline )\r\nml-literal-char = %x09 / %x20-10FFFF\r\n\r\n;; Boolean\r\n\r\nboolean = true / false\r\ntrue = %x74.72.75.65 ; true\r\nfalse = %x66.61.6C.73.65 ; false\r\n\r\n;; Datetime (as defined in RFC 3339)\r\n\r\ndate-fullyear = 4DIGIT\r\ndate-month = 2DIGIT ; 01-12\r\ndate-mday = 2DIGIT ; 01-28, 01-29, 01-30, 01-31 based on month/year\r\ntime-hour = 2DIGIT ; 00-23\r\ntime-minute = 2DIGIT ; 00-59\r\ntime-second = 2DIGIT ; 00-58, 00-59, 00-60 based on leap second rules\r\ntime-secfrac = "." 1*DIGIT\r\ntime-numoffset = ( "+" / "-" ) time-hour ":" time-minute\r\ntime-offset = "Z" / time-numoffset\r\n\r\npartial-time = time-hour ":" time-minute ":" time-second [time-secfrac]\r\nfull-date = date-fullyear "-" date-month "-" date-mday\r\nfull-time = partial-time time-offset\r\n\r\ndate-time = full-date "T" full-time\r\n\r\n;; Array\r\n\r\narray-open = %x5B ws ; [\r\narray-close = ws %x5D ; ]\r\n\r\narray = array-open array-values array-close\r\n\r\narray-values = [ val [ array-sep ] [ ( comment newlines) / newlines ] /\r\n val array-sep [ ( comment newlines) / newlines ] array-values ]\r\n\r\narray-sep = ws %x2C ws ; , Comma\r\n\r\n;; Inline Table\r\n\r\ninline-table-open = %x7B ws ; {\r\ninline-table-close = ws %x7D ; }\r\ninline-table-sep = ws %x2C ws ; , Comma\r\n\r\ninline-table = inline-table-open inline-table-keyvals inline-table-close\r\n\r\ninline-table-keyvals = [ inline-table-keyvals-non-empty ]\r\ninline-table-keyvals-non-empty = key keyval-sep val /\r\n key keyval-sep val inline-table-sep inline-table-keyvals-non-empty\r\n\r\n;; Built-in ABNF terms, reproduced here for clarity\r\n\r\n; ALPHA = %x41-5A / %x61-7A ; A-Z / a-z\r\n; DIGIT = %x30-39 ; 0-9\r\n; HEXDIG = DIGIT / "A" / "B" / "C" / "D" / "E" / "F"\r\n'}
lib/ex_abnf.ex:41: ABNF.load/1
lib/toml.ex:9: Toml.parse/1
lib/mix/toml.test.ex:20: Mix.Tasks.Toml.Test.run/1
(mix) lib/mix/cli.ex:58: Mix.CLI.run_task/2
(elixir) lib/code.ex:363: Code.require_file/2