X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=64f18f928cbfeff94633f38e1245cd963acafacd;hp=0e3bce702e532a0a203dfdf95b931911cf6985cd;hb=0a66237ec014b7e8a4c12efd03b72ce88fe278f3;hpb=2724e3d1df836f6ce40bc4227f1509e777de2e48 diff --git a/tests/meta.g b/tests/meta.g index 0e3bce7..64f18f9 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,19 +1,22 @@ s ::= ws grammar ws => "gram" ws !::= w** grammar ::= r +/ ws => "grammar" + r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws -alternatives ::= equiAlt +/ (ws ">" ws) -equiAlt ::= conjuncts +/ (ws "|" ws) +alternatives ::= (conjuncts +/ (ws "|" ws)) +/ (ws ">" ws) -conjuncts ::= sequence - | sequence ^"&" e*/ws /ws - | sequence ^"&~" e*/ws /ws +conjuncts ::= sequence + | sequence ^"&" e*/ws /ws + | sequence ^"&~" e*/ws /ws -sequence ::= e*/ws - (ws "/" e)? - (ws "=>" ws (word|quoted))? => "seq" +ps ::= e*/ws => "ps" + | (e+/ws ws)? "^" quoted (ws e+/ws)? => "ps2" +psx ::= ps + > ps ^"/" e /ws +sequence ::= psx + | psx ^"=>" (word|quoted) /ws ec ::= [~\-\]\\\~] | escaped @@ -21,14 +24,12 @@ ec ::= [~\-\]\\\~] range ::= ec => "range" | ec ^"-" ec -e ::= word => "nonTerminal" +e ::= word => "nonTerminal" | quoted => "literal" | ^"()" - | ^"{" sequence "}" /ws - | ^"[" (range*) "]" - | ^"[~" (range*) "]" - | ^"^" quoted /ws - | ^"!" e /ws + | ^"{" sequence "}" /ws + | ^"[" range* "]" + | ^"[~" range* "]" | (e ws ^"**" > e ws ^"*") | e ^"*/" e /ws @@ -38,7 +39,6 @@ e ::= word => "nonTerminal" | "(" word ^")" /ws > ^"(" alternatives ")" /ws - w !::= " " | "//" ([~\n]*) "\n" | "\n"