X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=tests%2Ffleet.g;h=3f70ddf0b464c54171da8dceb3a6caef15b88ee2;hp=4677496cfa39e7adec1208ba4ff991110db26fe8;hb=628b3a8eaafdbe8507e841076051bff42aadf5ee;hpb=86e7e1298601b60df964e3c0a71f3fe3cca230b8 diff --git a/tests/fleet.g b/tests/fleet.g index 4677496..3f70ddf 100644 --- a/tests/fleet.g +++ b/tests/fleet.g @@ -8,47 +8,37 @@ // the grammar. An equivalent lex+yacc grammar and support code would // be several times as long. -Comment ! = "//" ~[\n]* "\n" +Comment = "//" ~[\n]* "\n" | "/*" ~[\n]* "*/" -ws = w** -w = [\r\n ] - | Comment +w = [\r\n ]* +ws = (w | Comment)* -> ~[\r\n ] -Program = Statement+ /ws +s = !ws Program !ws +Program = CodeBag:: statements:(Statement +/ ws) -Statement = Move ";"? /ws - | "{" Statement* "}" - | Port "RENAMES" Port "ENDRENAME" ";" /ws -// | "#define" Port Port /ws +Statement = Move !((ws ";")?) + | CodeBag + | ^"#define" Port Port /ws -Move = Source ^"->" Destination /ws - | Source ^"=>" Destination /ws - | Destination ^":=" Source /ws +Move = Source ^"->" Destination /ws + | Source ^"->*" Destination /ws + | Port ^":=" Source /ws -Destination = Port +/ (ws "," ws) +Destination = Port +/ (!ws "," !ws) Source = Port | CodeBag -CodeBag = CodeBagName? "{" Statement* "}" ";"? /ws - -// Note: this deviates from ies06 -Port = shipname ("." portname)* -shipname = name index? -portname = name index? -name = [A-Za-z] [A-Za-z0-9\[\]\.]* +CodeBag = CodeBag:: + name:(name !ws ":" !ws)? + "{" + !ws statements:(Statement +/ ws) !ws + "}" + (!ws ";")? + +Port = Port:: shipname ("." portname)* +shipname = ShipName:: name index? +portname = PortName:: name index? +name = [A-Za-z0-9\[\]\.]** index = "[" [0-9]+ "]" | [0-9]+ - - -// -// The syntax should be rather self-explanatory; here are some of the -// grammatical operators you may not have seen before: -// -// ^ marks the "key" token; this is used only after parsing -// / separated-by; all preceding elements are separated by the following element -// +/ one-or-more-with-separator; for example, "a"+/"," matches "a,a,a" -// */ zero-or-more-with-separator -// & intersection; a&b matches a string only if a matches it and b matches it -// &~ negated intersection; a&~b matches a string only if a matches it and b DOES NOT match it -//