X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=884f2aaaf4290b6146cbac95a95f6be8ab5ba68a;hp=8a5b7e17f3573d7272e103a720bd40ecaa84aa8e;hb=242a8711e98cbd3ed6d05271bf910fde38e9be9a;hpb=ad0974ef59fc62ab06a78795a65e68238426edd0 diff --git a/tests/meta.g b/tests/meta.g index 8a5b7e1..884f2aa 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,5 +1,5 @@ s ::= ws grammar ws => "gram" -ws !::= w** +ws !::= w** | w** "//" (~[\n]*) "\n" ws wp !::= w++ grammar ::= r +/ ws => "grammar" @@ -12,14 +12,19 @@ conjuncts ::= sequence | sequence ^"&" e*/ws /ws | sequence ^"&~" e*/ws /ws -ps ::= e*/ws => "ps" - | (e+/ws ws)? "^" quoted (ws e+/ws)? => "ps2" -psx ::= ps - | ps wp ^"/" ws e -sequence ::= psx - | psx ^"=>" (word|quoted) /ws - -ec ::= [~\-\]\\\~] +ps ::= e*/ws => "ps" + | (e+/ws ws)? "^" quoted (ws e+/ws)? => "ps2" +psy ::= ps + | ps wp ^"/" ws e +psx ::= psy => "psy" + | e "<-" psy /ws => "psyl" + | psy "->" e /ws => "psyr" + | e "<-" psy "->" e /ws => "psylr" +sequence ::= quoted => "qprod" + > psx + | psx ^"=>" (word|quoted) /ws + +ec ::= ~[\-\]\\] | escaped range ::= ec => "range" @@ -30,25 +35,25 @@ e ::= word => "nonTerminal" | ^"()" | ^"{" sequence "}" /ws | ^"[" range* "]" - | ^"[~" range* "]" - | (e ws ^"**" > e ws ^"*") - | e ^"*/" e /ws - | (e ws ^"++" > e ws ^"+") - | e ^"+/" e /ws + | (e ^"++" /ws > e ^"+" /ws) + | (e ^"++/" e /ws > e ^"+/" e /ws) + | (e ^"**" /ws > e ^"*" /ws) + | (e ^"**/" e /ws > e ^"*/" e /ws) | e ^"?" /ws | "(" word ^")" /ws > ^"(" alternatives ")" /ws + | ^"~" e + w !::= " " - | "//" ([~\n]*) "\n" | "\n" | "\r" word ::= [a-zA-Z0-9_]++ -quoted ::= "\"" (([~\"\\] | escaped)+) "\"" +quoted ::= "\"" ((~[\"\\] | escaped)+) "\"" | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" - | "\\" [~nr] + | "\\" ~[nr]