X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=tests%2Fmeta.g;h=8a8b25a0c60cc980aaa7c615dd1451053d99a6f3;hb=1d0ef0e8a9ef9506a876fcee61530db63b8f2d8c;hp=138ec62a9c7ef708b6ea747c502a94c241e95500;hpb=f491592fb43d4fd68221db2b893baaede4cfdaca;p=sbp.git diff --git a/tests/meta.g b/tests/meta.g index 138ec62..8a8b25a 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,51 +1,59 @@ 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" +alternatives ::= equiAlt $$ (ws ">" ws) +equiAlt ::= conjuncts $$ (ws "|" ws) => "alternatives" sequence ::= Es - > Es ^"/" E /ws -Es ::= E+ -//es ::= E+/ws + > Es ws ^"/" e +Es ::= e %% (w**) +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" +ec ::= [~\-\]\\\~] + | escaped + +range ::= ec => "range0" + | ec ^"-" ec => "range1" + +e ::= word => "nonTerminalY" | [(][)] => "epsilon" - | ^"{" alternatives "}" - | "[" [\~]? range* "]" => "range" - | E ^"*/" E - | E ^"+/" E - | E ^"?" - | E ^"~/~" - - | E ^"-" E - - | ^"!" E - | "^" quoted => "care" - | ^"`" E - | E ^"#" + | ^"{" alternatives "}" /ws + | "[" ranges "]" => "range" + | "[~" ranges "]" => "rangex" + | e ^"%%" e /ws + | e ^"$$" e /ws + | e ^"?" /ws + | e ^"~/~" /ws + + | e ^"-" e /ws + + | ^"!" e /ws + | "^" quoted /ws => "care" + | ^"`" e /ws + | e ^"#" /ws | quoted => "literal" - | (E ^"**" > E ^"*") - | (E ^"++" > E ^"+") + | (e ws ^"**" > e ws ^"*") + | (e ws ^"++" > e ws ^"+") + + | "(" word ^")" /ws + > ^"(" alternatives ")" /ws - | "(" word ^")" - > ^"(" alternatives ")" +ranges ::= range* w !::= " " | "//" [~\n]* "\n" @@ -57,3 +65,5 @@ quoted ::= "\"" ([~\"\\] | escaped)* "\"" => "sify" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr] + +