X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=bb7cd114d94bf05ab028246df247490f0b38e86d;hp=e41b7703693ef08d12b61ab7553c2a4ccdfeae7b;hb=8ad399319f15cd179fa05a5052314a8f1d7df271;hpb=baee74cbe9714c0bdaa2f39b4523647090cf7ef5 diff --git a/tests/meta.g b/tests/meta.g index e41b770..bb7cd11 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -5,22 +5,15 @@ r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws alternatives ::= equiAlt +/ (ws ">" ws) -equiAlt ::= conjuncts +/ (ws "|" ws) => "alternatives" +equiAlt ::= conjuncts +/ (ws "|" ws) -sequence ::= es - > es ws ^"/" e -es ::= e */ (w**) +conjuncts ::= sequence + | sequence ^"&" e*/ws /ws + | sequence ^"&~" e*/ws /ws -ss ::= es | 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" +sequence ::= e*/ws + (ws "/" e)? + (ws "=>" ws (word|quoted))? => "seq" ec ::= [~\-\]\\\~] | escaped @@ -28,18 +21,14 @@ 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 ^"+") @@ -55,8 +44,7 @@ w !::= " " | "//" ([~\n]*) "\n" | "\n" | "\r" -an ::= [a-zA-Z0-9_] -word ::= an++ +word ::= [a-zA-Z0-9_]++ quoted ::= "\"" (([~\"\\] | escaped)+) "\"" | "\"\"" => "" escaped ::= "\\n" => "\n"