X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fmeta.g;h=074b9f3e7c67d939df3364fdf54fde7ae92c953e;hb=65a0e50a721e1c9ef6c5f38c29229e476733748b;hp=4c02201f885069539b024d8ad789a290e8297391;hpb=548a4a1afc3c2f2a521f0b564925aa92adfbe557;p=sbp.git diff --git a/tests/meta.g b/tests/meta.g index 4c02201..074b9f3 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,26 +1,32 @@ s ::= w* Grammar w* => "gram" +ws !::= w* +grammar ::= R+/ws => "grammar" Grammar ::= R+ => "grammar" -R ::= word ^"::=" Sequence - | word ^"!::=" Sequence +R ::= word ^"::=" Alternatives + | word ^"!::=" Alternatives ec ::= [~\]\\\-\~] | escaped -Sequence ::= Class +/ ">" -Class ::= Rewrite +/ "|" => "alternatives" +Alternatives ::= EquiAlt +/ ">" +EquiAlt ::= Conjuncts +/ "|" => "alternatives" -Rewrite ::= Rewritex - | Rewritex ^"&" E+ - | Rewritex ^"&~" E+ +sequence ::= Es ^"/" E /ws + > Es +es ::= E+/ws -Rewritex ::= E+ => "rewrite" - | E+ ^"=>" word - | E+ ^"=>" quoted - | E+ "=>" "()" => "wrap" +Conjuncts ::= rewrite + | rewrite ^"&" sequence + | rewrite ^"&~" sequence + +rewrite ::= sequence /ws => "rewrite" + | sequence ^"=>" word /ws + | sequence ^"=>" quoted /ws + | sequence "=>" "()" /ws => "wrap" range ::= ec => "range0" | ec ^"-" ec => "range0" E ::= word => "nonTerminalY" | [(][)] => "epsilon" - | ^"{" Sequence "}" + | ^"{" Alternatives "}" | "[" [\~]? range* "]" => "range" | E ^"*/" E | E ^"+/" E @@ -39,7 +45,7 @@ E ::= word => "nonTerminalY" | (E ^"++" > E ^"+") | "(" word ^")" - > ^"(" Sequence ")" + > ^"(" Alternatives ")" w !::= " " | "//" [~\n]* "\n"