X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=c9d588d9f2962181bc1b7debfa8120a8b19a1726;hp=85e9e250b13b7eebbd22385ba7424a356161435e;hb=bc7ff8b63529e420f7caa244d3bf74471f55cb7b;hpb=856f6a1959a029b45687ad71eeb0ec3a99e112eb

diff --git a/tests/meta.g b/tests/meta.g
index 85e9e25..c9d588d 100644
--- a/tests/meta.g
+++ b/tests/meta.g
@@ -4,22 +4,17 @@ grammar   ::=  r +/ ws                        => "grammar"
 r         ::=  word  ^"::=" alternatives /ws
             |  word ^"!::=" alternatives /ws
 
-alternatives  ::=  equiAlt   +/ (ws ">" ws)
-equiAlt       ::=  conjuncts +/ (ws "|" ws)
+alternatives  ::=  (conjuncts +/ (ws "|" ws)) +/ (ws ">" ws)
 
-sequence    ::= es
-              > es ws ^"/" e
-es          ::= e */ (w**)
+conjuncts   ::=  sequence
+              |  sequence ^"&"  e*/ws   /ws
+              |  sequence ^"&~" e*/ws   /ws
 
-ss ::= es => "seq" | es ^"/" e /ws
-
-conjuncts   ::=  rewrite
-              |  rewrite ^"&"  e*/ws   /ws
-              |  rewrite ^"&~" e*/ws   /ws
-
-rewrite  ::=  sequence                  /ws        => "rewrite"
-           |  sequence ^"=>" word       /ws
-           |  sequence ^"=>" quoted     /ws
+ps          ::= e*/ws => "ps"
+psx         ::= ps
+              > ps ^"/" e /ws
+sequence    ::= psx
+              | psx ^"=>" (word|quoted) /ws
 
 ec       ::= [~\-\]\\\~]
            | escaped
@@ -27,13 +22,14 @@ ec       ::= [~\-\]\\\~]
 range    ::= ec          => "range"
            | ec ^"-" ec
 
-e        ::= word                             => "nonTerminal"
-           |    [(][)]                        => "epsilon"
-           |    ^"{" alternatives "}"   /ws
+e        ::=  word                          => "nonTerminal"
+           |  quoted                        => "literal"
+           |    ^"()"
+           |    ^"{" sequence "}"       /ws
            |    ^"["  (range*) "]"
            |    ^"[~" (range*) "]"
            |    ^"^" quoted             /ws
-           |    ^"!" e                  /ws
+//           |    ^"!" e                  /ws
 
            |  (e ws ^"**" > e ws ^"*")
            |  e ^"*/" e                 /ws
@@ -41,17 +37,14 @@ e        ::= word                             => "nonTerminal"
            |  e ^"+/" e                 /ws
            |  e ^"?"                    /ws
 
-           |  quoted                        => "literal"
-
-           |     "(" word ^")"          /ws
-           >    ^"(" alternatives ")"   /ws
+           |     "(" word         ^")"  /ws
+           >    ^"(" alternatives  ")"  /ws
 
 w       !::= " "
            | "//" ([~\n]*) "\n"
            | "\n"
            | "\r"
-an       ::= [a-zA-Z0-9_]
-word     ::= an++
+word     ::= [a-zA-Z0-9_]++
 quoted   ::= "\"" (([~\"\\] | escaped)+) "\""
            | "\"\"" => ""
 escaped  ::= "\\n" => "\n"