X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=0f690221b0a37908bf4a5bab95da6670be7eb4bb;hp=ed87f5c555bc4abb1198a6c8170d5c9cfa249195;hb=c366dacc334fe2e35835164f5a37d3eebb2ca6d5;hpb=87f214f3da9f43c3ab93923313845c372f9a96be diff --git a/tests/meta.g b/tests/meta.g index ed87f5c..0f69022 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,40 +1,41 @@ -s ::= ws grammar ws => "gram" -ws !::= w** | ws "//" ([~\n]*) "\n" ws +s ::= Grammar ws => "gram" +ws !::= w** | w** "//" (~[\n]*) "\n" ws wp !::= w++ -grammar ::= r +/ ws => "grammar" +Grammar ::= r +/ ws => "grammar" r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws -alternatives ::= (conjuncts +/ (ws "|" ws)) +/ (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 ps ::= e*/ws => "ps" - | (e+/ws ws)? "^" quoted (ws e+/ws)? => "ps2" + | (e+/ws ws)? "^" Quoted (ws e+/ws)? => "ps2" psy ::= ps | ps wp ^"/" ws e -psx ::= psy ^"?=>" e /ws - | psy ^"!=>" e /ws - > psy -sequence ::= quoted => "qprod" +psx ::= psy => "psy" + | e "<-" psy /ws => "psyl" + | psy "->" e /ws => "psyr" + | e "<-" psy "->" e /ws => "psylr" +Sequence ::= Quoted => "qprod" > psx - | psx ^"=>" (word|quoted) /ws + | psx "=>" ^"[]" /ws + | psx ^"=>" (word|Quoted) /ws -ec ::= [~\-\]\\\~] +ec ::= ~[\-\]\\] | escaped -range ::= ec => "range" +Range ::= ec => "range" | ec ^"-" ec e ::= word => "nonTerminal" - | quoted => "literal" + | Quoted => "literal" | ^"()" - | ^"{" sequence "}" /ws - | ^"[" range* "]" - | ^"[~" range* "]" + | ^"{" Sequence "}" /ws + | ^"[" Range* "]" | (e ^"++" /ws > e ^"+" /ws) | (e ^"++/" e /ws > e ^"+/" e /ws) @@ -44,14 +45,16 @@ e ::= word => "nonTerminal" | "(" word ^")" /ws > ^"(" alternatives ")" /ws + | ^"~" e + w !::= " " | "\n" | "\r" word ::= [a-zA-Z0-9_]++ -quoted ::= "\"" (([~\"\\] | escaped)+) "\"" +Quoted ::= "\"" ((~[\"\\] | escaped)+) "\"" | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" - | "\\" [~nr] + | "\\" ~[nr]