X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=e41b7703693ef08d12b61ab7553c2a4ccdfeae7b;hp=138ec62a9c7ef708b6ea747c502a94c241e95500;hb=baee74cbe9714c0bdaa2f39b4523647090cf7ef5;hpb=f491592fb43d4fd68221db2b893baaede4cfdaca

diff --git a/tests/meta.g b/tests/meta.g
index 138ec62..e41b770 100644
--- a/tests/meta.g
+++ b/tests/meta.g
@@ -1,59 +1,66 @@
 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  ::=  equiAlt   +/ (ws ">" ws)
-equiAlt       ::=  conjuncts +/ (ws "|" ws)          => "alternatives"
+equiAlt       ::=  conjuncts +/ (ws "|" ws)   => "alternatives"
+
+sequence    ::= es
+              > es ws ^"/" e
+es          ::= e */ (w**)
 
-sequence    ::= Es
-              > Es ^"/" E   /ws
-Es          ::= E+
-//es          ::= E+/ws
+ss ::= es | es ^"/" e /ws
 
 conjuncts   ::=  rewrite
-              |  rewrite ^"&"  sequence   /ws
-              |  rewrite ^"&~" sequence   /ws
+              |  rewrite ^"&"  e*/ws   /ws
+              |  rewrite ^"&~" e*/ws   /ws
 
 rewrite  ::=  sequence                  /ws        => "rewrite"
            |  sequence ^"=>" word       /ws
            |  sequence ^"=>" quoted     /ws
            |  sequence  "=>" "()"       /ws        => "wrap"
 
-range    ::= ec => "range0" | ec ^"-" ec      => "range0"
-E        ::= word                             => "nonTerminalY"
-           |    [(][)] => "epsilon"
-           |    ^"{" alternatives "}"
-           |     "[" [\~]?  range* "]"        => "range"
-           |  E ^"*/" E
-           |  E ^"+/" E
-           |  E ^"?"
-           |  E ^"~/~"
-
-           |  E ^"-"  E
-
-           |    ^"!" E
-           |     "^" quoted => "care"
-           |    ^"`" E
-           |  E ^"#"
-           |  quoted                        => "literal"
+ec       ::= [~\-\]\\\~]
+           | escaped
+
+range    ::= ec          => "range"
+           | ec ^"-" ec
+
+e        ::= word                             => "nonTerminalY"
+           |    [(][)]                        => "epsilon"
+           |    ^"{" alternatives "}"   /ws
+           |    ^"["  (range*) "]"
+           |    ^"[~" (range*) "]"
+           |    ^"^" quoted             /ws
+           |  e ^"~/~"                  /ws
+           |    ^"!" e                  /ws
 
-           |  (E ^"**" > E ^"*")
-           |  (E ^"++" > E ^"+")
+           |    ^"`" e                  /ws
+           |  e ^"#"                    /ws
 
-           |     "(" word ^")"
-           >    ^"(" alternatives ")"
+           |  (e ws ^"**" > e ws ^"*")
+           |  e ^"*/" e                 /ws
+           |  (e ws ^"++" > e ws ^"+")
+           |  e ^"+/" e                 /ws
+           |  e ^"?"                    /ws
+
+           |  quoted                        => "literal"
+
+           |     "(" word ^")"          /ws
+           >    ^"(" alternatives ")"   /ws
 
 w       !::= " "
-           | "//" [~\n]* "\n"
+           | "//" ([~\n]*) "\n"
            | "\n"
            | "\r"
 an       ::= [a-zA-Z0-9_]
-word     ::= an++                           => "sify"
-quoted   ::= "\"" ([~\"\\] | escaped)* "\"" => "sify"
+word     ::= an++
+quoted   ::= "\"" (([~\"\\] | escaped)+) "\""
+           | "\"\"" => ""
 escaped  ::= "\\n" => "\n"
            | "\\r" => "\r"
            | "\\" [~nr]
+
+