X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Fmeta.g;h=fa2b98f03e6e9cd8c9d47b53d9ac153d3b08a3ec;hp=5b4cf6af5199b123339d89e161177b3a21f40351;hb=cb5151d11037144c14809f6516ce5c1f1976ef7f;hpb=f886ddc95036b4fdb55a02ad566303f9bf1829d1 diff --git a/tests/meta.g b/tests/meta.g index 5b4cf6a..fa2b98f 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,61 +1,58 @@ s ::= ws grammar ws => "gram" ws !::= w** -grammar ::= r+/ws => "grammar" +grammar ::= r +/ ws => "grammar" r ::= word ^"::=" alternatives /ws | word ^"!::=" alternatives /ws -ec ::= [~\]\\\-\~] | escaped - alternatives ::= equiAlt +/ (ws ">" ws) -equiAlt ::= conjuncts +/ (ws "|" ws) => "alternatives" +equiAlt ::= conjuncts +/ (ws "|" ws) + +sequence ::= es + > es ws ^"/" e +es ::= e */ (w**) -sequence ::= Es - > Es ^"/" e /ws -Es ::= e+ -es ::= e+/ws +ss ::= es => "seq" | es ^"/" e /ws conjuncts ::= rewrite - | rewrite ^"&" sequence /ws - | rewrite ^"&~" sequence /ws + | rewrite ^"&" e*/ws /ws + | rewrite ^"&~" e*/ws /ws + +rewrite ::= sequence /ws => "rewrite" + | sequence ^"=>" (word|quoted) /ws -rewrite ::= sequence /ws => "rewrite" - | sequence ^"=>" word /ws - | sequence ^"=>" quoted /ws - | sequence "=>" "()" /ws => "wrap" +ec ::= [~\-\]\\\~] + | escaped -range ::= ec => "range0" - | ec ^"-" ec => "range0" +range ::= ec => "range" + | ec ^"-" ec -e ::= word => "nonTerminalY" - | [(][)] => "epsilon" +e ::= word => "nonTerminal" + | [(][)] => "epsilon" | ^"{" alternatives "}" /ws - | "[" [\~]? range* "]" => "range" + | ^"[" (range*) "]" + | ^"[~" (range*) "]" + | ^"^" quoted /ws + | ^"!" e /ws + + | (e ws ^"**" > e ws ^"*") | e ^"*/" e /ws + | (e ws ^"++" > e ws ^"+") | e ^"+/" e /ws | e ^"?" /ws - | e ^"~/~" /ws - - | e ^"-" e /ws - | ^"!" e /ws - | "^" quoted /ws => "care" - | ^"`" e /ws - | e ^"#" /ws | quoted => "literal" - | (e ws ^"**" > e ws ^"*") - | (e ws ^"++" > e ws ^"+") - | "(" word ^")" /ws > ^"(" alternatives ")" /ws w !::= " " - | "//" [~\n]* "\n" + | "//" ([~\n]*) "\n" | "\n" | "\r" an ::= [a-zA-Z0-9_] -word ::= an++ => "sify" -quoted ::= "\"" ([~\"\\] | escaped)* "\"" => "sify" +word ::= an++ +quoted ::= "\"" (([~\"\\] | escaped)+) "\"" + | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr]