X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=4fed049ea82deab6695b3f89ba885b88c346ac00;hp=9755cfc18f8adb23deb5f63a1bf7d3beb07a0ec6;hb=ba01065d943324012ce347b80044dcf825f21845;hpb=2fae767715346f7d7e708b63f00a2f40ec26d3de diff --git a/tests/meta.g b/tests/meta.g index 9755cfc..4fed049 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,63 +1,54 @@ 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" +equiAlt ::= conjuncts +/ (ws "|" ws) -sequence ::= Es - > Es ^"/" e /ws -Es ::= e+ -//es ::= e+/ws +conjuncts ::= rewrite + | rewrite ^"&" e*/ws /ws + | rewrite ^"&~" e*/ws /ws +sequence ::= e*/ws (ws "/" e)? => "seq" -conjuncts ::= rewrite - | rewrite ^"&" sequence /ws - | rewrite ^"&~" sequence /ws +rewrite ::= sequence /ws => "rewrite" + | sequence ^"=>" (word|quoted) /ws -rewrite ::= sequence /ws => "rewrite" - | sequence ^"=>" word /ws - | sequence ^"=>" quoted /ws - | sequence "=>" "()" /ws => "wrap" +ec ::= [~\-\]\\\~] + | escaped -range ::= ec => "range0" - | ec ^"-" ec => "range0" +range ::= ec => "range" + | ec ^"-" ec -e ::= word => "nonTerminalY" - | [(][)] => "epsilon" +e ::= word => "nonTerminal" + | [(][)] => "epsilon" | ^"{" alternatives "}" /ws - | "[" [\~]? range* "]" => "range" + | ^"[" (range*) "]" + | ^"[~" (range*) "]" + | ^"^" quoted /ws + | ^"!" e /ws + + | (e ws ^"**" > e ws ^"*") | e ^"*/" e /ws - | e ^"%%" e /ws + | (e ws ^"++" > e ws ^"+") | e ^"+/" e /ws | e ^"?" /ws - | e ^"~/~" /ws - - | e ^"-" e /ws - | ^"!" e /ws - | "^" quoted /ws => "care" - | ^"`" e /ws - | e ^"#" /ws | quoted => "literal" - | (e ws ^"**" > e ws ^"*") - | (e ws ^"++" > e ws ^"+") - | "(" word ^")" /ws > ^"(" alternatives ")" /ws w !::= " " - | "//" [~\n]* "\n" + | "//" ([~\n]*) "\n" | "\n" | "\r" an ::= [a-zA-Z0-9_] -word ::= an++ => "sify" -quoted ::= "\"" ([~\"\\] | escaped)* "\"" => "sify" +word ::= an++ +quoted ::= "\"" (([~\"\\] | escaped)+) "\"" + | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr]