X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=1a972961acbb80c4e556ee5a178a49c1e2c832c4;hp=4cc100b451f154a7aa895bbf37ce6e7a180e0910;hb=77d1e5fd29be1ca529e71a4c011f5edea61588e8;hpb=803319e1a90376c44262ae784b43453c763e7b7d diff --git a/tests/meta.g b/tests/meta.g index 4cc100b..1a97296 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,52 +1,58 @@ s ::= ws grammar ws => "gram" ws !::= w** -grammar ::= R+/ws => "grammar" -Grammar ::= R+ => "grammar" -R ::= word ^"::=" Alternatives - | word ^"!::=" Alternatives +grammar ::= r $$ ws => "grammar" +r ::= word ^"::=" alternatives /ws + | word ^"!::=" alternatives /ws -ec ::= [~\]\\\-\~] | escaped - -Alternatives ::= EquiAlt +/ ">" -EquiAlt ::= Conjuncts +/ "|" => "alternatives" +alternatives ::= equiAlt $$ (ws ">" ws) +equiAlt ::= conjuncts $$ (ws "|" ws) => "alternatives" sequence ::= Es - > Es ^"/" E /ws -Es ::= E+ -//es ::= E+/ws + > Es ^"/" e /ws +Es ::= e+ +es ::= e %% ws + -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" -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" @@ -58,3 +64,5 @@ quoted ::= "\"" ([~\"\\] | escaped)* "\"" => "sify" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr] + +