X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=7daac30281e79f14cb4e514e4c60aaacdc9065d4;hp=e4a2518c2555cc660787b619d9c7174183bf2582;hb=3a1b055a8866989b106195ac27021d58fcd1e555;hpb=d79a5062fbe0211d0ad3459d6a545a5270f6efbd diff --git a/tests/meta.g b/tests/meta.g index e4a2518..7daac30 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -5,22 +5,20 @@ r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws alternatives ::= equiAlt +/ (ws ">" ws) -equiAlt ::= conjuncts +/ (ws "|" ws) => "alternatives" +equiAlt ::= conjuncts +/ (ws "|" ws) -sequence ::= es +sequence ::= e */ (w**) > es ws ^"/" e es ::= e */ (w**) -ss ::= es | es ^"/" e /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 - | sequence "=>" "()" /ws => "wrap" +rewrite ::= sequence /ws => "rewrite" + | sequence ^"=>" (word|quoted) /ws ec ::= [~\-\]\\\~] | escaped @@ -28,18 +26,14 @@ ec ::= [~\-\]\\\~] range ::= ec => "range" | ec ^"-" ec -e ::= word => "nonTerminalY" +e ::= word => "nonTerminal" | [(][)] => "epsilon" | ^"{" alternatives "}" /ws | ^"[" (range*) "]" | ^"[~" (range*) "]" | ^"^" quoted /ws - | e ^"~/~" /ws | ^"!" e /ws - | ^"`" e /ws - | e ^"#" /ws - | (e ws ^"**" > e ws ^"*") | e ^"*/" e /ws | (e ws ^"++" > e ws ^"+") @@ -57,7 +51,8 @@ w !::= " " | "\r" an ::= [a-zA-Z0-9_] word ::= an++ -quoted ::= "\"" (([~\"\\] | escaped)*) "\"" => "sify" +quoted ::= "\"" (([~\"\\] | escaped)+) "\"" + | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr]