X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=98a62a3ab47f95a36667b0629e9aba23cd2cb6ec;hp=292991ce4eba7c8afa8589323c60b1763adb00e0;hb=7fbee73b4dd985cb5b217ed297710c00fd9d7004;hpb=ea83c68e20abf2e74f901502a053b413b93e5289 diff --git a/tests/meta.g b/tests/meta.g index 292991c..98a62a3 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,5 +1,6 @@ -s ::= ws grammar ws => "gram" -ws !::= w** +s ::= grammar ws => "gram" +ws !::= w** | w** "//" (~[\n]*) "\n" ws +wp !::= w++ grammar ::= r +/ ws => "grammar" r ::= word ^"::=" alternatives /ws @@ -11,14 +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 ^"/" e /ws -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" @@ -29,25 +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]