X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=062bf2544ea0b95c19b80471bef335b2b487b6c6;hp=a540d78e7ab107f058b819b7c567c1a3eb379989;hb=0ab024f487647f99eb000345c29c2f8e9b52a200;hpb=b14c82d2c557d38194abc5b0ebbacc87e880b709

diff --git a/tests/meta.g b/tests/meta.g
index a540d78..062bf25 100644
--- a/tests/meta.g
+++ b/tests/meta.g
@@ -1,20 +1,25 @@
-s             =  gram::    !ws Grammar ws
-Grammar       =  grammar:: NonTerminal +/ ws
-NonTerminal   =            word  !wp ^"=" !wp RHS
+
+// use 'a'-'z' or 'a-z' instead of [a-z]?
+// EOF token?
+// #include (with renaming?)
+// ANTLR uses ! and ^ suffixes
+
+s             =  ws grammar:Grammar ws
+Grammar       =  NonTerminal +/ ws
+NonTerminal   =  Word ^"=" RHS /ws
         
-RHS           =  (Conjuncts +/ (!ws "|" !ws)) +/ (!ws ">" !ws)
+RHS           =  (Sequence +/ (!ws "|" !ws)) +/ (!ws ">" !ws)
 
-Conjuncts     =  Sequence
-              |  Sequence ^"&"  Elements  /ws
-              |  Sequence ^"&~" Elements  /ws
 Elements      =  e*/ws
 
 PreSequence   = ps::  Elements
-              |       PreSequence !wp ^"/"  !ws e
-              |       PreSequence     ^"->"     e /ws
-              |       (Quoted|word)   ^"::" PreSequence /ws
-              |       PreSequence     ^"=>" ("[]"|"()"|word|Quoted) /ws
+              |       (Quoted|Word)   ^"::" PreSequence /ws
+              >       PreSequence     ^"/"      e       /ws
+              |       PreSequence     ^"->"     e       /ws
+
 Sequence      = psx:: PreSequence
+              |       Sequence ^"&"  Elements /ws
+              |       Sequence ^"&~" Elements /ws
 
 ec            = ~[\-\]\\]
               | escaped
@@ -22,11 +27,11 @@ ec            = ~[\-\]\\]
 Range         = range:: ec
               |         ec ^"-" ec
 
-e             =                (Quoted|word) ^":" e
-              > nonTerminal::          word
+e             =                (Quoted|Word) ^":" e
+              > nonTerminal::          Word
               | literal::       Quoted
               |                  ^"()"
-              |                  ^"{" Sequence "}"       /ws
+              |                  ^"{" PreSequence "}"       /ws
               |                  ^"["  Range* "]"
               |                e ^"++"                   /ws -> ~[/]
               |                e ^"+"                    /ws -> ~[+]
@@ -38,20 +43,19 @@ e             =                (Quoted|word) ^":" e
               |                e ^"*/"  e                /ws        
               |                  ^"!"   e                /ws
               |                e ^"?"                    /ws
-              |                  ^"^" Quoted             /ws
-
-              |                   "(" word         ^")"  /ws
+              |                  ^"^"   Quoted
+              |     "(" Word     ^")"                    /ws
               >                  ^"(" RHS  ")"           /ws
               |                  ^"~" e
+              >  "^^"::           "^"   e
 
-word       = [a-zA-Z0-9_]++
+Word       = [a-zA-Z0-9_]++
 Quoted     = "\"" ((~[\"\\] | escaped)+) "\""
            | ""::   "\"\""
 escaped    = "\n":: "\\n"
            | "\r":: "\\r"
            |        "\\" ~[nr]
 
-
 w             = " " | "\n" | "\r"
 ws            =  "()":: w**
               |  "()":: w** "//" ~[\n]* "\n" ws