X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=1a972961acbb80c4e556ee5a178a49c1e2c832c4;hp=7b1595d32d3195063ba75319145966c0715317c9;hb=77d1e5fd29be1ca529e71a4c011f5edea61588e8;hpb=b39089b9e525f796a9f31e4707aac5ac0d6cfc3b diff --git a/tests/meta.g b/tests/meta.g index 7b1595d..1a97296 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,50 +1,58 @@ -s ::= w* Grammar w* => "gram" -ws !::= w* -grammar ::= R+/ws => "grammar" -Grammar ::= R+ => "grammar" -R ::= word ^"::=" Alternatives - | word ^"!::=" Alternatives +s ::= ws grammar ws => "gram" +ws !::= w** +grammar ::= r $$ ws => "grammar" +r ::= word ^"::=" alternatives /ws + | word ^"!::=" alternatives /ws -ec ::= [~\]\\\-\~] | escaped +alternatives ::= equiAlt $$ (ws ">" ws) +equiAlt ::= conjuncts $$ (ws "|" ws) => "alternatives" -Alternatives ::= EquiAlt +/ ">" -EquiAlt ::= Conjuncts +/ "|" => "alternatives" +sequence ::= Es + > Es ^"/" e /ws +Es ::= e+ +es ::= e %% ws -Sequence ::= E+ ^"/" E - > E+ -Conjuncts ::= rewrite - | rewrite ^"&" Sequence - | rewrite ^"&~" Sequence +conjuncts ::= rewrite + | rewrite ^"&" sequence /ws + | rewrite ^"&~" sequence /ws -rewrite ::= Sequence /ws => "rewrite" - | Sequence ^"=>" word /ws - | Sequence ^"=>" quoted /ws - | Sequence "=>" "()" /ws => "wrap" +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 ^")" - > ^"(" Alternatives ")" + | "(" word ^")" /ws + > ^"(" alternatives ")" /ws + +ranges ::= range* w !::= " " | "//" [~\n]* "\n" @@ -56,3 +64,5 @@ quoted ::= "\"" ([~\"\\] | escaped)* "\"" => "sify" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr] + +