X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=tests%2Fmeta.g;h=dd222e0fb820f433120e48c0be39db3442a44528;hb=db7344562a20ef098b1f5dc66e8325e55711032c;hp=93a9bb8df6f1d02938128d39ad9ecfd15fb79a69;hpb=927dc9b785de472f2237c5adbc4d2ad12f16cc2d;p=sbp.git

diff --git a/tests/meta.g b/tests/meta.g
index 93a9bb8..dd222e0 100644
--- a/tests/meta.g
+++ b/tests/meta.g
@@ -1,37 +1,34 @@
-s           ::=  !ws Grammar ws              => "gram"
-Grammar     ::=  NonTerminal +/ ws           => "grammar"
-NonTerminal ::=  word  ^"::=" RHS /ws
+s             =  !ws Grammar ws              => "gram"
+Grammar       =  NonTerminal +/ ws           => "grammar"
+NonTerminal   =  word  !wp ^"=" !wp RHS
+        
+RHS           =  (Conjuncts +/ (!ws "|" !ws)) +/ (!ws ">" !ws)
 
-RHS         ::=  (Conjuncts +/ (!ws "|" !ws)) +/ (!ws ">" !ws)
-
-Conjuncts   ::=  Sequence
+Conjuncts     =  Sequence
               |  Sequence ^"&"  Elements  /ws
               |  Sequence ^"&~" Elements  /ws
-Elements    ::=  e*/ws
-
-ps          ::= Elements                           => "ps"
-              | (e+/ws !ws)? ^"^" Quoted (!ws e+/ws)?
-psy         ::= ps
-              | ps !wp ^"/" !ws e
-psx         ::= psy                   => "psy"
-              | psy ^"->" e /ws
-Sequence    ::= Quoted => "qprod"
-              > psx => "psx"
-              | psx  "=>" ^"[]"              /ws
-              | psx ^"=>" ("()"|word|Quoted) /ws
-
-ec          ::= ~[\-\]\\]
+Elements      =  e*/ws
+
+PreSequence   = Elements => "ps"
+              | PreSequence !wp ^"/"  !ws e
+              | PreSequence     ^"->"     e /ws
+              | (Quoted|word)   ^"::" PreSequence /ws
+              | PreSequence     ^"=>" ("[]"|"()"|word|Quoted) /ws
+Sequence      = PreSequence    => "psx"
+
+ec            = ~[\-\]\\]
               | escaped
 
-Range       ::= ec          => "range"
+Range         = ec          => "range"
               | ec ^"-" ec
 
-e           ::=  word                          => "nonTerminal"
+e             =
+                (Quoted|word) ^":" e
+              >  word                          => "nonTerminal"
               |  Quoted                        => "literal"
               |    ^"()"
               |    ^"{" Sequence "}"       /ws
               |    ^"["  Range* "]"
-
               |  e ^"++"                   /ws -> ~[/]
               |  e ^"+"                    /ws -> ~[+]
               |  e ^"++/" e                /ws        
@@ -42,20 +39,21 @@ e           ::=  word                          => "nonTerminal"
               |  e ^"*/"  e                /ws        
               |    ^"!"   e                /ws
               |  e ^"?"                    /ws
+              |    ^"^" Quoted             /ws
 
               |     "(" word         ^")"  /ws
               >    ^"(" RHS  ")"           /ws
               |    ^"~" e
 
-word     ::= [a-zA-Z0-9_]++
-Quoted   ::= "\"" ((~[\"\\] | escaped)+) "\""
+word       = [a-zA-Z0-9_]++
+Quoted     = "\"" ((~[\"\\] | escaped)+) "\""
            | "\"\"" => ""
-escaped  ::= "\\n" => "\n"
+escaped    = "\\n" => "\n"
            | "\\r" => "\r"
            | "\\" ~[nr]
 
 
-w           ::= " " | "\n" | "\r"
-ws          ::=  w** => ()
+w             = " " | "\n" | "\r"
+ws            =  w** => ()
               |  w** "//" ~[\n]* "\n" ws => ()
-wp          ::=  w++
+wp            =  w++