X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=tests%2Fmeta.g;h=2779b7c8f6a618a4d0a879580376179b40c10cc1;hb=5cf6851e385edfdec4955120e03bf7e282dc8a68;hp=9755cfc18f8adb23deb5f63a1bf7d3beb07a0ec6;hpb=2fae767715346f7d7e708b63f00a2f40ec26d3de;p=sbp.git diff --git a/tests/meta.g b/tests/meta.g index 9755cfc..2779b7c 100644 --- a/tests/meta.g +++ b/tests/meta.g @@ -1,63 +1,51 @@ 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" - -sequence ::= Es - > Es ^"/" e /ws -Es ::= e+ -//es ::= e+/ws +equiAlt ::= conjuncts +/ (ws "|" ws) +conjuncts ::= sequence + | sequence ^"&" e*/ws /ws + | sequence ^"&~" e*/ws /ws -conjuncts ::= rewrite - | rewrite ^"&" sequence /ws - | rewrite ^"&~" sequence /ws +sequence ::= e*/ws + (ws "/" e)? + (ws "=>" ws (word|quoted))? => "seq" -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" + | quoted => "literal" + | ^"()" | ^"{" alternatives "}" /ws - | "[" [\~]? range* "]" => "range" - | e ^"*/" e /ws - | 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 - | "(" word ^")" /ws - > ^"(" alternatives ")" /ws + | "(" word ^")" /ws + > ^"(" alternatives ")" /ws w !::= " " - | "//" [~\n]* "\n" + | "//" ([~\n]*) "\n" | "\n" | "\r" -an ::= [a-zA-Z0-9_] -word ::= an++ => "sify" -quoted ::= "\"" ([~\"\\] | escaped)* "\"" => "sify" +word ::= [a-zA-Z0-9_]++ +quoted ::= "\"" (([~\"\\] | escaped)+) "\"" + | "\"\"" => "" escaped ::= "\\n" => "\n" | "\\r" => "\r" | "\\" [~nr]