-x ="x"
// interactions between !=> and &~ mean that I need to rethink the chartage
// indentation styling...
// literal blocks [[need to ignore bracing]] double-colon style?
// [1] http://...
//
-// consider ++bold++ and **italic**?
-// \br
// nonbreaking text?
-// ellipsis detection (...)
// degree: 15^o
// Arrows: <- -> => <= <->
// #include
// simple macros (#define) (\define)
-// today's date
// table representation
//
// [c] ...
// FIXME: these have to go at the top so they have their dropAll bit set before PreSequence.build...
-ws ! = w**
-w ! = [\r\n\ ]
+w = " " | "\n" | "\r"
+ws = "()":: w**
+// | "()":: w** "#" (~[\n])* "\n" ws
nw = ~[\r\n\ ]
//////////////////////////////////////////////////////////////////////////////
-s = Doc => top
+s = Doc
-Doc = {Header} Body /ws => doc
-Header = "header" { kv */ ws } /ws => header
-Body = Section*/ws => body
-Section = { SectionHeader Paragraph* /ws => section }
+Doc = head:Header ws! body:Body
+Header = { "\\header" { KeyVal */ ws } /ws }
+Body = { Section } */ws
+Section = SectionHeader ws! Paragraph*
SectionHeader = "==" SectionHeaderBody "=="
SectionHeaderBody = "=" SectionHeaderBody "="
- > ws text ws
-
-sp ! = " "**
-blank = sp "\n" sp "\n" ws
-
-kv = word "=" text /ws => kv1
-wp ! = w++
-num ! = [0-9]++
-Paragraph = { "\"\"" ws text } => "blockquote"
- > { "---" "-"* } => "hr"
- > { text } => "p"
-
-onums ! = nums (". "|") ")
-any ! = ~[]*
-
-uli = "* " (ws text &~ any (oli|uli)) => "li"
-oli = ("# "|onums) (ws text &~ any (oli|uli)) => "li"
-
-text = Item => text
-Itemx = ws Item
- | ()
-Item = blockquote
- > { uli+/ws => "ul" } Itemx => []
- | { oli+/ws => "ol" } Itemx => []
- > pre Itemx => []
- > structured Itemx => []
- > structuredx Itemx => []
- > styled Itemx => []
- > qtext Itemx => []
- > (alphanum++ => stringify) Itemx => []
- > symbol Itemx => []
- > (sym++ => stringify) Itemx => []
- > Paragraph Itemx => []
-
-blockquote = "\"\"" text "\"\"" => "blockquote"
- | "\"\"" block => "blockquote"
+ > ws! text ws!
+
+sp = " "**
+blank = sp! "\n" sp! "\n" ws!
+
+KeyVal = key:bareword "=" val:text /ws
+wp = w++
+num = [0-9]++
+
+Paragraph = { Blockquote:: "\"\" " text }
+ > HR:: { "---" "-"* }
+ > { OL:: (text &~ (text! ws! {oli}+)) ws! {oli}+ }
+ > P:: { text }
+
+onums = nums (". "|") ")!
+any = ~[]*
+
+uli = "* " (ws! text &~ any (oli|uli)!)
+oli = onums! (ws! text &~ any (oli|uli)!)
+
+text = Item
+
+Item*/ws =
+ blockquote
+// > ^"#" ws! { ~[]* }
+ > Verbatim
+ > InlineGrammar
+ > link
+ > structured
+ > styled
+ > (Chars:: alphanum++)
+ > Quotes:: "\"" text "\""
+ > (Symbol:: sym++)
+ > { Block:: text }
+
+word = Chars:: bareword
+
+blockquote = "adsfafewag"
+//blockquote = Blockquote:: "\"\"" (block | text "\"\"")
-qtext = "\"" text "\"" => "quoted"
-pre = "[verbatim]" { ~[]+ } /ws => "verbatim" // FIXME doesn't work
-
-styled = "__" text "__" => underline
- | "((" text "))" => footnote
- | ( "[[" text "]]" => tt
- > "[" word "]" => citation
- )
- | "!!" text "!!" => strikethrough
- | "^^" (word|block) => superscript
- | ",," (word|block) => subscript
- | "\\sc" block => smallcap
- | "**" text "**" => bold
- | "!" (word|block) => keyword
- > "*" text "*" => it
-
-block = { text }
-structured = { text } "->" (url|email) => link
- //> alphanum++ "->" (url|email) => link
-structuredx = glyph
+Verbatim = "[verbatim]" ws! { (~[])++ }
+
+#import meta.g as meta
+InlineGrammar = "\grammar" ws! { meta.Grammar }
+
+styled = Underline:: "__" text "__"
+ | Footnote:: "((" text "))"
+ | TT:: "[[" text "]]"
+ | Citation:: "[" word "]"
+ | Strikethrough:: "!!" text "!!"
+ | Superscript:: "^^" (word|block)
+ | Subscript:: ",," (word|block)
+ | Smallcap:: "\\sc" block
+ | Bold:: "++" text "++"
+ | Keyword:: "!" (word|block)
+ | Italic:: "**" text "**"
+
+block = { text }
+
+link = text:({ text }|word) "->" ws! href:href
+href = url | email | {href}
+
+structured = command & "\\" ([a-zA-Z0-9]++)! block?
+ > glyph
> email
> url
-glyph = "(r)" | "(c)" | "(tm)" | "--" // euro symbol?
- | "\\today" -> ~[a-z] => today
+glyph = euro:: "(e)"
+ | r:: "(r)"
+ | c:: "(c)"
+ | tm:: "(tm)"
+ | emdash:: "--"
+ | ellipses:: "..."
+ | cent:: "\\cent"
+
+command = "\\" [a-z]++
// URLs //////////////////////////////////////////////////////////////////////////////
// subtypes of url (ftp, etc) as conjunctions, but the "master pattern"
// only gets parsed once
-urlpath = urlchar*
-username = [a-zA-Z0-9;/?:&=$\-_.+]++ => stringify
-password = [a-zA-Z0-9;/?:&=$\-_.+]++ => stringify
-urlchar = [a-zA-Z0-9;/?:&=$\-_.+@]
- | "%" [0-9] [0-9] => "%"
-url = "mailto" ":" email
- > method "://" url_login? host (":" nums)? ("/" urlpath)? => "url"
-url_login = username (":" password) "@" => "login"
-method = [+\-.a-z0-9]+ => stringify
-domain = (part +/ ".") -> ~"." => domain
-part = [a-zA-Z0-9\-]++ => stringify
+urlpath = urlchar* -> ~urlv // this ~urlv should be handled by url! bug!
+username = [a-zA-Z0-9;/?:&=$\-_.+]++
+password = [a-zA-Z0-9;/?:&=$\-_.+]++
+urlc = [a-zA-Z0-9;/?:&=$\-_.+@]
+urlv = urlc | [%]
+urlchar = urlc
+ | urlescape:: "%" [0-9] [0-9]
+url = Mailto:: "mailto" ":" email -> ~urlv
+ > URL::
+ method:method
+ "://"
+ login:url_login?
+ host:host
+ port:(":" nums)?
+ path:("/" urlpath)?
+ ref:("#" urlpath)?
+ -> ~(urlv|[\#])
+url_login = Login:: username:username password:(":" password) "@"
+method = [+\-.a-z0-9]+
+domain = (part +/ ".") -> ~"."
+part = [a-zA-Z0-9\-]++
// interesting use of boolean grammars
// &~ ([\-0-9] ~[]* | ~[]* [\-0-9])
-email = username "@" host -> ~[.] => emailaddr
-nums = [0-9]++ => stringify
-host = nums "." nums "." nums "." nums => "ip"
- | domain
+email = user:username "@" host:host -> ~[.]
+nums = [0-9]++
+host = IP:: nums "." nums "." nums "." nums
+ | DNS:: domain
// Tokens ///////////////////////////////////////////////////////////////////
-word = alphanum++ => stringify
+bareword = alphanum++
| quoted
quoted = "\"" ((~[\"\\] | escaped)+) "\""
- | "\"\"" => ""
-escaped = "\\n" => "\n"
- | "\\r" => "\r"
+ | "\"\"":: "\"\""
+escaped = lf:: "\\n"
+ | cr:: "\\r"
| "\\" ~[nr]
// Chars ///////////////////////////////////////////////////////////////
alpha = [a-zA-Z]
-//num = [0-9]
alphanum = [a-zA-Z0-9]
sym = ~[a-zA-Z0-9\ \r\n=\">]
+//sym = [,()]
projects / sbp.git / blobdiff