X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=c9d588d9f2962181bc1b7debfa8120a8b19a1726;hp=c89fae1edb27d99061ae7a0da3a0a7f2d1e3613b;hb=bc7ff8b63529e420f7caa244d3bf74471f55cb7b;hpb=81b213c3a4345486c2f96f1c44e93d4e38134102

diff --git a/tests/meta.g b/tests/meta.g
index c89fae1..c9d588d 100644
--- a/tests/meta.g
+++ b/tests/meta.g
@@ -1,62 +1,52 @@
 s         ::=  ws grammar ws                  => "gram"
 ws       !::=  w**
-grammar   ::=  r$$ws => "grammar"
+grammar   ::=  r +/ ws                        => "grammar"
 r         ::=  word  ^"::=" alternatives /ws
             |  word ^"!::=" alternatives /ws
 
-ec        ::=  [~\]\\\-\~] | escaped
+alternatives  ::=  (conjuncts +/ (ws "|" ws)) +/ (ws ">" ws)
 
-alternatives  ::=  equiAlt   $$ (ws ">" ws)
-equiAlt       ::=  conjuncts $$ (ws "|" ws)          => "alternatives"
+conjuncts   ::=  sequence
+              |  sequence ^"&"  e*/ws   /ws
+              |  sequence ^"&~" e*/ws   /ws
 
-sequence    ::= Es
-              > Es ^"/" e  /ws
-Es          ::= e+
-es          ::= e$$ws
+ps          ::= e*/ws => "ps"
+psx         ::= ps
+              > ps ^"/" e /ws
+sequence    ::= psx
+              | psx ^"=>" (word|quoted) /ws
 
+ec       ::= [~\-\]\\\~]
+           | escaped
 
-conjuncts   ::=  rewrite
-              |  rewrite ^"&"  sequence   /ws
-              |  rewrite ^"&~" sequence   /ws
+range    ::= ec          => "range"
+           | ec ^"-" ec
 
-rewrite  ::=  sequence                  /ws        => "rewrite"
-           |  sequence ^"=>" word       /ws
-           |  sequence ^"=>" quoted     /ws
-           |  sequence  "=>" "()"       /ws        => "wrap"
-
-range    ::= ec          => "range0"
-           | ec ^"-" ec  => "range0"
-
-e        ::= word                             => "nonTerminalY"
-           |    [(][)] => "epsilon"
-           |    ^"{" alternatives "}"   /ws
-           |     "[" [\~]?  range* "]"        => "range"
-           |  e ^"%%" e                 /ws
-           |  e ^"$$" e                 /ws
-           |  e ^"?"                    /ws
-           |  e ^"~/~"                  /ws
-
-           |  e ^"-"  e                 /ws
-
-           |    ^"!" e                  /ws
-           |     "^" quoted             /ws => "care"
-           |    ^"`" e                  /ws
-           |  e ^"#"                    /ws
+e        ::=  word                          => "nonTerminal"
            |  quoted                        => "literal"
+           |    ^"()"
+           |    ^"{" sequence "}"       /ws
+           |    ^"["  (range*) "]"
+           |    ^"[~" (range*) "]"
+           |    ^"^" quoted             /ws
+//           |    ^"!" e                  /ws
 
            |  (e ws ^"**" > e ws ^"*")
+           |  e ^"*/" e                 /ws
            |  (e ws ^"++" > e ws ^"+")
+           |  e ^"+/" e                 /ws
+           |  e ^"?"                    /ws
 
-           |     "(" word ^")"          /ws
-           >    ^"(" alternatives ")"   /ws
+           |     "(" word         ^")"  /ws
+           >    ^"(" alternatives  ")"  /ws
 
 w       !::= " "
-           | "//" [~\n]* "\n"
+           | "//" ([~\n]*) "\n"
            | "\n"
            | "\r"
-an       ::= [a-zA-Z0-9_]
-word     ::= an++                           => "sify"
-quoted   ::= "\"" ([~\"\\] | escaped)* "\"" => "sify"
+word     ::= [a-zA-Z0-9_]++
+quoted   ::= "\"" (([~\"\\] | escaped)+) "\""
+           | "\"\"" => ""
 escaped  ::= "\\n" => "\n"
            | "\\r" => "\r"
            | "\\" [~nr]