X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=8be950d3eba351373e4c573f237fe796dc764f1d;hp=a994e8dd36158e3b97a49da7e3d9acd8558ad25f;hb=56319e11eb20cb67c4221b0d7a2567ec3b2df002;hpb=9ca5aa82948f06917a81983c677e0f8b9cc86af3 diff --git a/tests/meta.g b/tests/meta.g index a994e8d..8be950d 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,20 +1,27 @@ s ::= ws grammar ws => "gram" ws !::= w** +wp !::= w++ grammar ::= r +/ ws => "grammar" + r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws alternatives ::= (conjuncts +/ (ws "|" ws)) +/ (ws ">" ws) -conjuncts ::= sequence - | sequence ^"&" e*/ws /ws - | sequence ^"&~" e*/ws /ws - -ps ::= (e*/ ws) => "ps" -psx ::= ps - | ps ws ^"/" e -sequence ::= psx - (ws "=>" ws (word|quoted))? => "seqx" +conjuncts ::= sequence + | sequence ^"&" e*/ws /ws + | sequence ^"&~" e*/ws /ws + +ps ::= e*/ws => "ps" + | (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 + | psx ^"=>" (word|quoted) /ws ec ::= [~\-\]\\\~] | escaped @@ -26,25 +33,22 @@ e ::= word => "nonTerminal" | quoted => "literal" | ^"()" | ^"{" sequence "}" /ws - | ^"[" (range*) "]" - | ^"[~" (range*) "]" - | ^"^" quoted /ws - | ^"!" e /ws - - | (e ws ^"**" > e ws ^"*") - | e ^"*/" e /ws - | (e ws ^"++" > e ws ^"+") - | e ^"+/" e /ws + | ^"[" range* "]" + | ^"[~" range* "]" + + | (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 - w !::= " " | "//" ([~\n]*) "\n" | "\n" | "\r" -word ::= [a-zA-Z0-9_]++ +word ::= [a-zA-Z0-9_]+ !=> [a-zA-Z0-9_] quoted ::= "\"" (([~\"\\] | escaped)+) "\"" | "\"\"" => "" escaped ::= "\\n" => "\n"