X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fmeta.g;h=7daac30281e79f14cb4e514e4c60aaacdc9065d4;hb=3a1b055a8866989b106195ac27021d58fcd1e555;hp=17bff83369eff4aaf29d6bc44297c8a2c04e8ff7;hpb=99a413e60cd7eb76e677d03f602941325864a1e1;p=sbp.git diff --git a/tests/meta.g b/tests/meta.g index 17bff83..7daac30 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,53 +1,46 @@ s ::= ws grammar ws => "gram" ws !::= w** -grammar ::= r $$ ws => "grammar" +grammar ::= r +/ ws => "grammar" r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws -alternatives ::= equiAlt $$ (ws ">" ws) -equiAlt ::= conjuncts $$ (ws "|" ws) => "alternatives" +alternatives ::= equiAlt +/ (ws ">" ws) +equiAlt ::= conjuncts +/ (ws "|" ws) -sequence ::= es +sequence ::= e */ (w**) > es ws ^"/" e -es ::= e %% (w**) +es ::= e */ (w**) -ss ::= es | es ^"/" e /ws +ss ::= es => "seq" | es ^"/" e /ws conjuncts ::= rewrite - | rewrite ^"&" e%%ws /ws - | rewrite ^"&~" e%%ws /ws + | rewrite ^"&" e*/ws /ws + | rewrite ^"&~" e*/ws /ws -rewrite ::= sequence /ws => "rewrite" - | sequence ^"=>" word /ws - | sequence ^"=>" quoted /ws - | sequence "=>" "()" /ws => "wrap" +rewrite ::= sequence /ws => "rewrite" + | sequence ^"=>" (word|quoted) /ws ec ::= [~\-\]\\\~] | escaped -range ::= ec => "range0" - | ec ^"-" ec => "range1" +range ::= ec => "range" + | ec ^"-" ec -e ::= word => "nonTerminalY" - | [(][)] => "epsilon" +e ::= word => "nonTerminal" + | [(][)] => "epsilon" | ^"{" alternatives "}" /ws - | "[" (range*) "]" => "range" - | "[~" (range*) "]" => "rangex" - | e ^"%%" e /ws - | e ^"$$" e /ws - | e ^"?" /ws - | e ^"~/~" /ws - - | e ^"-" e /ws - + | ^"[" (range*) "]" + | ^"[~" (range*) "]" + | ^"^" quoted /ws | ^"!" e /ws - | "^" quoted /ws => "care" - | ^"`" e /ws - | e ^"#" /ws - | quoted => "literal" | (e ws ^"**" > e ws ^"*") + | e ^"*/" e /ws | (e ws ^"++" > e ws ^"+") + | e ^"+/" e /ws + | e ^"?" /ws + + | quoted => "literal" | "(" word ^")" /ws > ^"(" alternatives ")" /ws @@ -57,8 +50,9 @@ w !::= " " | "\n" | "\r" an ::= [a-zA-Z0-9_] -word ::= an++ => "sify" -quoted ::= "\"" (([~\"\\] | escaped)*) "\"" => "sify" +word ::= an++ +quoted ::= "\"" (([~\"\\] | escaped)+) "\"" + | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr]