// TODO: rewrite _apply to use worlds //////// lib.js /* Copyright (c) 2007, 2008 Alessandro Warth Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ // try to use StringBuffer instead of string concatenation to improve performance function StringBuffer() { this.strings = [] for (var idx = 0; idx < arguments.length; idx++) this.nextPutAll(arguments[idx]) } StringBuffer.prototype.nextPutAll = function(s) { this.strings.push(s) } StringBuffer.prototype.contents = function() { return this.strings.join("") } String.prototype.writeStream = function() { return new StringBuffer(this) } // make Arrays print themselves sensibly Object.prototype.printOn = function(ws) { ws.nextPutAll(this.toString()) } Array.prototype.toString = function() { var ws = "".writeStream(); this.printOn(ws); return ws.contents() } Array.prototype.printOn = function(ws) { ws.nextPutAll("[") for (var idx = 0; idx < this.length; idx++) { if (idx > 0) ws.nextPutAll(", ") this[idx].printOn(ws) } ws.nextPutAll("]") } // delegation Object.prototype.delegated = function(props) { var f = function() { } f.prototype = this var r = new f() for (var p in props) if (props.hasOwn(p)) r[p] = props[p] return r } // some reflective stuff Object.prototype.ownPropertyNames = function() { var r = [] for (name in this) if (this.hasOwn(name)) r.push(name) return r } Object.prototype.hasProperty = function(p) { return this[p] != undefined } Object.prototype.isNumber = function() { return false } Number.prototype.isNumber = function() { return true } Object.prototype.isString = function() { return false } String.prototype.isString = function() { return true } Object.prototype.isCharacter = function() { return false } String.prototype.isCharacter = function() { return this.length == 1 } String.prototype.isSpace = function() { return this.isCharacter() && this.charCodeAt(0) <= 32 } String.prototype.isDigit = function() { return this.isCharacter() && this >= "0" && this <= "9" } String.prototype.isLower = function() { return this.isCharacter() && this >= "a" && this <= "z" } String.prototype.isUpper = function() { return this.isCharacter() && this >= "A" && this <= "Z" } String.prototype.digitValue = function() { return this.charCodeAt(0) - "0".charCodeAt(0) } Object.prototype.isSequenceable = false Array.prototype.isSequenceable = true String.prototype.isSequenceable = true // some functional programming stuff Array.prototype.map = function(f) { var r = [] for (var idx = 0; idx < this.length; idx++) r[idx] = f(this[idx]) return r } Array.prototype.reduce = function(f, z) { var r = z for (var idx = 0; idx < this.length; idx++) r = f(r, this[idx]) return r } Array.prototype.delimWith = function(d) { return this.reduce( function(xs, x) { if (xs.length > 0) xs.push(d) xs.push(x) return xs }, []) } // Squeak's ReadStream, kind of function ReadStream(anArrayOrString) { this.src = anArrayOrString this.pos = 0 } ReadStream.prototype.atEnd = function() { return this.pos >= this.src.length } ReadStream.prototype.next = function() { return this.src[this.pos++] } // escape characters escapeStringFor = new Object() for (var c = 0; c < 256; c++) escapeStringFor[c] = String.fromCharCode(c) escapeStringFor["\\".charCodeAt(0)] = "\\\\" escapeStringFor['"'.charCodeAt(0)] = '\\"' escapeStringFor["'".charCodeAt(0)] = "\\'" escapeStringFor["\r".charCodeAt(0)] = "\\r" escapeStringFor["\n".charCodeAt(0)] = "\\n" escapeStringFor["\t".charCodeAt(0)] = "\\t" escapeChar = function(c) { var charCode = c.charCodeAt(0) return charCode > 255 ? String.fromCharCode(charCode) : escapeStringFor[charCode] } function unescape(s) { if (s[0] == '\\') switch (s[1]) { case '\\': return '\\' case 'r': return '\r' case 'n': return '\n' case 't': return '\t' default: return s[1] } else return s } String.prototype.toProgramString = function() { var ws = "\"".writeStream() for (var idx = 0; idx < this.length; idx++) ws.nextPutAll(escapeChar(this[idx])) ws.nextPutAll("\"") return ws.contents() } // C-style tempnam function function tempnam(s) { return (s ? s : "_tmpnam_") + tempnam.n++ } tempnam.n = 0 //////// ometa-base.js /* Copyright (c) 2007, 2008 Alessandro Warth Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* new syntax: #foo match the string object 'foo' (should also be accepted in JS) 'abc' match the string object 'abc' 'c' match the string object 'c' ``abc'' match the sequence of string objects 'a', 'b', 'c' "abc" token('abc') [1 2 3] match the array object [1, 2, 3] foo(bar) apply rule foo with argument bar -> ... do semantic actions in JS (no more ST). allow multiple statements, but no declarations probably don't even need {}s, because newlines can terminate it! */ /* // ometa M { // number = number:n digit:d -> { n * 10 + d.digitValue() } // | digit:d -> { d.digitValue() }. // } try { M = OMeta.delegated({ number: function() { var $elf = this return $elf._or( function() { var n, d n = $elf._apply("number") d = $elf._apply("digit") return n * 10 + d.digitValue() }, function() { var d d = $elf._apply("digit") return d.digitValue() } ) } }) M.matchAll("123456789", "number") } catch (f) { alert(f) } */ // the failure exception fail = { toString: function() { return "match failed" } } // streams and memoization function OMInputStream(hd, tl) { this.memo = { } this.hd = hd this.tl = tl } OMInputStream.prototype.head = function() { return this.hd } OMInputStream.prototype.tail = function() { return this.tl } function OMInputStreamEnd() { this.memo = { } } OMInputStreamEnd.prototype.head = function() { throw fail } OMInputStreamEnd.prototype.tail = function() { throw fail } Array.prototype.toOMInputStream = function() { return makeArrayOMInputStream(this, 0) } String.prototype.toOMInputStream = Array.prototype.toOMInputStream function makeArrayOMInputStream(arr, idx) { return idx < arr.length ? new ArrayOMInputStream(arr, idx) : new OMInputStreamEnd() } function ArrayOMInputStream(arr, idx) { this.memo = { } this.arr = arr this.idx = idx this.hd = arr[idx] } ArrayOMInputStream.prototype.head = function() { return this.hd } ArrayOMInputStream.prototype.tail = function() { if (this.tl == undefined) this.tl = makeArrayOMInputStream(this.arr, this.idx + 1) return this.tl } function makeOMInputStreamProxy(target) { return target.delegated({ memo: { }, target: target, tail: function() { return makeOMInputStreamProxy(target.tail()) } }) } // Failer (i.e., that which makes things fail) is used to detect (direct) left recursion and memoize failures function Failer() { } Failer.prototype.used = false // the OMeta "class" and basic functionality OMeta = { _apply: function(rule) { var memoRec = this.input.memo[rule] if (memoRec == undefined) { var origInput = this.input, failer = new Failer() this.input.memo[rule] = failer this.input.memo[rule] = memoRec = {ans: this[rule].apply(this), nextInput: this.input} if (failer.used) { var sentinel = this.input while (true) { try { this.input = origInput var ans = this[rule].apply(this) if (this.input == sentinel) throw fail memoRec.ans = ans memoRec.nextInput = this.input } catch (f) { if (f != fail) throw f break } } } } else if (memoRec instanceof Failer) { memoRec.used = true throw fail } this.input = memoRec.nextInput return memoRec.ans }, // note: _applyWithArgs and _superApplyWithArgs are not memoized, so they can't be left-recursive _applyWithArgs: function(rule) { for (var idx = arguments.length - 1; idx > 0; idx--) this.input = new OMInputStream(arguments[idx], this.input) return this[rule].apply(this) }, _superApplyWithArgs: function($elf, rule) { for (var idx = arguments.length - 1; idx > 1; idx--) $elf.input = new OMInputStream(arguments[idx], $elf.input) return this[rule].apply($elf) }, _pred: function(b) { if (b) return true throw fail }, _not: function(x) { var origInput = this.input try { x() } catch (f) { if (f != fail) throw f this.input = origInput return true } throw fail }, _lookahead: function(x) { var origInput = this.input, r = x() this.input = origInput return r }, _or: function() { var origInput = this.input for (var idx = 0; idx < arguments.length; idx++) try { this.input = origInput; return arguments[idx]() } catch (f) { if (f != fail) throw f } throw fail }, _many: function(x) { var ans = arguments[1] != undefined ? [arguments[1]] : [] while (true) { var origInput = this.input try { ans.push(x()) } catch (f) { if (f != fail) throw f this.input = origInput break } } return ans }, _many1: function(x) { return this._many(x, x()) }, _form: function(x) { var v = this._apply("anything") if (!v.isSequenceable) throw fail var origInput = this.input this.input = makeArrayOMInputStream(v, 0) var r = x() this._apply("end") this.input = origInput return v }, // some basic rules anything: function() { var r = this.input.head() this.input = this.input.tail() return r }, end: function() { var $elf = this return this._not(function() { return $elf._apply("anything") }) }, pos: function() { return this.input.idx }, empty: function() { return true }, apply: function() { var r = this._apply("anything") return this._apply(r) }, foreign: function() { var g = this._apply("anything"), r = this._apply("anything"), gi = g.delegated({input: makeOMInputStreamProxy(this.input)}) var ans = gi._apply(r) this.input = gi.input.target return ans }, // some useful "derived" rules exactly: function() { var wanted = this._apply("anything") if (wanted === this._apply("anything")) return wanted throw fail }, "true": function() { var r = this._apply("anything") this._pred(r == true) return r }, "false": function() { var r = this._apply("anything") this._pred(r == false) return r }, "undefined": function() { var r = this._apply("anything") this._pred(r == undefined) return r }, number: function() { var r = this._apply("anything") this._pred(r.isNumber()) return r }, string: function() { var r = this._apply("anything") this._pred(r.isString()) return r }, "char": function() { var r = this._apply("anything") this._pred(r.isCharacter()) return r }, space: function() { var r = this._apply("char") this._pred(r.charCodeAt(0) <= 32) return r }, spaces: function() { var $elf = this return this._many(function() { return $elf._apply("space") }) }, digit: function() { var r = this._apply("char") this._pred(r.isDigit()) return r }, lower: function() { var r = this._apply("char") this._pred(r.isLower()) return r }, upper: function() { var r = this._apply("char") this._pred(r.isUpper()) return r }, letter: function() { var $elf = this return this._or(function() { return $elf._apply("lower") }, function() { return $elf._apply("upper") }) }, letterOrDigit: function() { var $elf = this return this._or(function() { return $elf._apply("letter") }, function() { return $elf._apply("digit") }) }, firstAndRest: function() { var $elf = this, first = this._apply("anything"), rest = this._apply("anything") return this._many(function() { return $elf._apply(rest) }, this._apply(first)) }, seq: function() { var xs = this._apply("anything") for (var idx = 0; idx < xs.length; idx++) this._applyWithArgs("exactly", xs[idx]) return xs }, notLast: function() { var $elf = this, rule = this._apply("anything"), r = this._apply(rule) this._lookahead(function() { return $elf._apply(rule) }) return r }, initialize: function() { }, // match and matchAll are a grammar's "public interface" _genericMatch: function(input, rule, args, matchFailed) { if (args == undefined) args = [] var realArgs = [rule] for (var idx = 0; idx < args.length; idx++) realArgs.push(args[idx]) var m = this.delegated({input: input}) m.initialize() try { return realArgs.length == 1 ? m._apply.call(m, realArgs[0]) : m._applyWithArgs.apply(m, realArgs) } catch (f) { if (f == fail && matchFailed != undefined) { var input = m.input if (input.idx != undefined) { while (input.tl != undefined && input.tl.idx != undefined) input = input.tl input.idx-- } return matchFailed(m, input.idx) } throw f } }, match: function(obj, rule, args, matchFailed) { return this._genericMatch([obj].toOMInputStream(), rule, args, matchFailed) }, matchAll: function(listyObj, rule, args, matchFailed) { return this._genericMatch(listyObj.toOMInputStream(), rule, args, matchFailed) } } //////// parser.js /* Copyright (c) 2007, 2008 Alessandro Warth Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ Parser = OMeta.delegated({ listOf: function() { var $elf = this, rule = this._apply("anything"), delim = this._apply("anything") return this._or(function() { var r = $elf._apply(rule) return $elf._many(function() { $elf._applyWithArgs("token", delim) return $elf._apply(rule) }, r) }, function() { return [] }) }, token: function() { var cs = this._apply("anything") this._apply("spaces") return this._applyWithArgs("seq", cs) } }) //////// bs-js-compiler.js {BSJSParser=Parser.delegated({"fromTo":function(){var $elf=this,x,y;return (function(){x=$elf._apply("anything");y=$elf._apply("anything");$elf._applyWithArgs("seq",x);$elf._many(function(){return (function(){$elf._not(function(){return $elf._applyWithArgs("seq",y)});return $elf._apply("char")})()});return $elf._applyWithArgs("seq",y)})()},"space":function(){var $elf=this;return $elf._or((function(){return Parser._superApplyWithArgs($elf,"space")}),(function(){return $elf._applyWithArgs("fromTo","//","\n")}),(function(){return $elf._applyWithArgs("fromTo","/*","*/")}))},"nameFirst":function(){var $elf=this;return $elf._or((function(){return $elf._apply("letter")}),(function(){return $elf._applyWithArgs("exactly","$")}),(function(){return $elf._applyWithArgs("exactly","_")}))},"nameRest":function(){var $elf=this;return $elf._or((function(){return $elf._apply("nameFirst")}),(function(){return $elf._apply("digit")}))},"iName":function(){var $elf=this,r;return (function(){r=$elf._applyWithArgs("firstAndRest","nameFirst","nameRest");return r.join("")})()},"isKeyword":function(){var $elf=this,x;return (function(){x=$elf._apply("anything");return $elf._pred(BSJSParser._isKeyword(x))})()},"name":function(){var $elf=this,n;return (function(){n=$elf._apply("iName");$elf._not(function(){return $elf._applyWithArgs("isKeyword",n)});return ["name",(n == "self")?"$elf":n]})()},"keyword":function(){var $elf=this,k;return (function(){k=$elf._apply("iName");$elf._applyWithArgs("isKeyword",k);return [k,k]})()},"number":function(){var $elf=this,ws,fs;return (function(){ws=$elf._many1(function(){return $elf._apply("digit")});fs=$elf._or((function(){return (function(){$elf._applyWithArgs("exactly",".");return $elf._many1(function(){return $elf._apply("digit")})})()}),(function(){return (function(){$elf._apply("empty");return []})()}));return ["number",parseFloat(((ws.join("") + ".") + fs.join("")))]})()},"escapeChar":function(){var $elf=this,c;return (function(){$elf._applyWithArgs("exactly","\\");c=$elf._apply("char");return unescape(("\\" + c))})()},"str":function(){var $elf=this,cs,cs,cs,n;return $elf._or((function(){return (function(){$elf._applyWithArgs("seq","\"\"\"");cs=$elf._many(function(){return $elf._or((function(){return $elf._apply("escapeChar")}),(function(){return (function(){$elf._not(function(){return $elf._applyWithArgs("seq","\"\"\"")});return $elf._apply("char")})()}))});$elf._applyWithArgs("seq","\"\"\"");return ["string",cs.join("")]})()}),(function(){return (function(){$elf._applyWithArgs("exactly","\'");cs=$elf._many(function(){return $elf._or((function(){return $elf._apply("escapeChar")}),(function(){return (function(){$elf._not(function(){return $elf._applyWithArgs("exactly","\'")});return $elf._apply("char")})()}))});$elf._applyWithArgs("exactly","\'");return ["string",cs.join("")]})()}),(function(){return (function(){$elf._applyWithArgs("exactly","\"");cs=$elf._many(function(){return $elf._or((function(){return $elf._apply("escapeChar")}),(function(){return (function(){$elf._not(function(){return $elf._applyWithArgs("exactly","\"")});return $elf._apply("char")})()}))});$elf._applyWithArgs("exactly","\"");return ["string",cs.join("")]})()}),(function(){return (function(){$elf._or((function(){return $elf._applyWithArgs("exactly","#")}),(function(){return $elf._applyWithArgs("exactly","`")}));n=$elf._apply("iName");return ["string",n]})()}))},"special":function(){var $elf=this,s;return (function(){s=$elf._or((function(){return $elf._applyWithArgs("exactly","(")}),(function(){return $elf._applyWithArgs("exactly",")")}),(function(){return $elf._applyWithArgs("exactly","{")}),(function(){return $elf._applyWithArgs("exactly","}")}),(function(){return $elf._applyWithArgs("exactly","[")}),(function(){return $elf._applyWithArgs("exactly","]")}),(function(){return $elf._applyWithArgs("exactly",",")}),(function(){return $elf._applyWithArgs("exactly",";")}),(function(){return $elf._applyWithArgs("exactly","?")}),(function(){return $elf._applyWithArgs("exactly",":")}),(function(){return $elf._applyWithArgs("seq","!==")}),(function(){return $elf._applyWithArgs("seq","!=")}),(function(){return $elf._applyWithArgs("seq","===")}),(function(){return $elf._applyWithArgs("seq","==")}),(function(){return $elf._applyWithArgs("seq","=")}),(function(){return $elf._applyWithArgs("seq",">=")}),(function(){return $elf._applyWithArgs("exactly",">")}),(function(){return $elf._applyWithArgs("seq","<=")}),(function(){return $elf._applyWithArgs("exactly","<")}),(function(){return $elf._applyWithArgs("seq","++")}),(function(){return $elf._applyWithArgs("seq","+=")}),(function(){return $elf._applyWithArgs("exactly","+")}),(function(){return $elf._applyWithArgs("seq","--")}),(function(){return $elf._applyWithArgs("seq","-=")}),(function(){return $elf._applyWithArgs("exactly","-")}),(function(){return $elf._applyWithArgs("seq","*=")}),(function(){return $elf._applyWithArgs("exactly","*")}),(function(){return $elf._applyWithArgs("seq","/=")}),(function(){return $elf._applyWithArgs("exactly","/")}),(function(){return $elf._applyWithArgs("seq","%=")}),(function(){return $elf._applyWithArgs("exactly","%")}),(function(){return $elf._applyWithArgs("seq","&&=")}),(function(){return $elf._applyWithArgs("seq","&&")}),(function(){return $elf._applyWithArgs("seq","||=")}),(function(){return $elf._applyWithArgs("seq","||")}),(function(){return $elf._applyWithArgs("exactly",".")}),(function(){return $elf._applyWithArgs("exactly","!")}));return [s,s]})()},"tok":function(){var $elf=this;return (function(){$elf._apply("spaces");return $elf._or((function(){return $elf._apply("name")}),(function(){return $elf._apply("keyword")}),(function(){return $elf._apply("number")}),(function(){return $elf._apply("str")}),(function(){return $elf._apply("special")}))})()},"toks":function(){var $elf=this,ts;return (function(){ts=$elf._many(function(){return $elf._apply("token")});$elf._apply("spaces");$elf._apply("end");return ts})()},"token":function(){var $elf=this,tt,t;return (function(){tt=$elf._apply("anything");t=$elf._apply("tok");$elf._pred((t[(0)] == tt));return t[(1)]})()},"spacesNoNl":function(){var $elf=this;return $elf._many(function(){return (function(){$elf._not(function(){return $elf._applyWithArgs("exactly","\n")});return $elf._apply("space")})()})},"expr":function(){var $elf=this,e,t,f,rhs,rhs,rhs,rhs,rhs,rhs,rhs,rhs;return (function(){e=$elf._apply("orExpr");return $elf._or((function(){return (function(){$elf._applyWithArgs("token","?");t=$elf._apply("expr");$elf._applyWithArgs("token",":");f=$elf._apply("expr");return ["condExpr",e,t,f]})()}),(function(){return (function(){$elf._applyWithArgs("token","=");rhs=$elf._apply("expr");return ["set",e,rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","+=");rhs=$elf._apply("expr");return ["mset",e,"+",rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","-=");rhs=$elf._apply("expr");return ["mset",e,"-",rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","*=");rhs=$elf._apply("expr");return ["mset",e,"*",rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","/=");rhs=$elf._apply("expr");return ["mset",e,"/",rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","%=");rhs=$elf._apply("expr");return ["mset",e,"%",rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","&&=");rhs=$elf._apply("expr");return ["mset",e,"&&",rhs]})()}),(function(){return (function(){$elf._applyWithArgs("token","||=");rhs=$elf._apply("expr");return ["mset",e,"||",rhs]})()}),(function(){return (function(){$elf._apply("empty");return e})()}))})()},"orExpr":function(){var $elf=this,x,y;return $elf._or((function(){return (function(){x=$elf._apply("orExpr");$elf._applyWithArgs("token","||");y=$elf._apply("andExpr");return ["binop","||",x,y]})()}),(function(){return $elf._apply("andExpr")}))},"andExpr":function(){var $elf=this,x,y;return $elf._or((function(){return (function(){x=$elf._apply("andExpr");$elf._applyWithArgs("token","&&");y=$elf._apply("eqExpr");return ["binop","&&",x,y]})()}),(function(){return $elf._apply("eqExpr")}))},"eqExpr":function(){var $elf=this,x,y,y,y,y;return $elf._or((function(){return (function(){x=$elf._apply("eqExpr");return $elf._or((function(){return (function(){$elf._applyWithArgs("token","==");y=$elf._apply("relExpr");return ["binop","==",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token","!=");y=$elf._apply("relExpr");return ["binop","!=",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token","===");y=$elf._apply("relExpr");return ["binop","===",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token","!==");y=$elf._apply("relExpr");return ["binop","!==",x,y]})()}))})()}),(function(){return $elf._apply("relExpr")}))},"relExpr":function(){var $elf=this,x,y,y,y,y,y;return $elf._or((function(){return (function(){x=$elf._apply("relExpr");return $elf._or((function(){return (function(){$elf._applyWithArgs("token",">");y=$elf._apply("addExpr");return ["binop",">",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token",">=");y=$elf._apply("addExpr");return ["binop",">=",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token","<");y=$elf._apply("addExpr");return ["binop","<",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token","<=");y=$elf._apply("addExpr");return ["binop","<=",x,y]})()}),(function(){return (function(){$elf._applyWithArgs("token","instanceof");y=$elf._apply("addExpr");return ["binop","instanceof",x,y]})()}))})()}),(function(){return $elf._apply("addExpr")}))},"addExpr":function(){var $elf=this,x,y,x,y;return $elf._or((function(){return (function(){x=$elf._apply("addExpr");$elf._applyWithArgs("token","+");y=$elf._apply("mulExpr");return ["binop","+",x,y]})()}),(function(){return (function(){x=$elf._apply("addExpr");$elf._applyWithArgs("token","-");y=$elf._apply("mulExpr");return ["binop","-",x,y]})()}),(function(){return $elf._apply("mulExpr")}))},"mulExpr":function(){var $elf=this,x,y,x,y,x,y;return $elf._or((function(){return (function(){x=$elf._apply("mulExpr");$elf._applyWithArgs("token","*");y=$elf._apply("unary");return ["binop","*",x,y]})()}),(function(){return (function(){x=$elf._apply("mulExpr");$elf._applyWithArgs("token","/");y=$elf._apply("unary");return ["binop","/",x,y]})()}),(function(){return (function(){x=$elf._apply("mulExpr");$elf._applyWithArgs("token","%");y=$elf._apply("unary");return ["binop","%",x,y]})()}),(function(){return $elf._apply("unary")}))},"unary":function(){var $elf=this,p,p,p,p,p;return $elf._or((function(){return (function(){$elf._applyWithArgs("token","-");p=$elf._apply("postfix");return ["unop","-",p]})()}),(function(){return (function(){$elf._applyWithArgs("token","+");p=$elf._apply("postfix");return p})()}),(function(){return (function(){$elf._applyWithArgs("token","++");p=$elf._apply("postfix");return ["preop","++",p]})()}),(function(){return 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r})()}))}});BSJSParser["keywords"]=({});keywords=["break","case","catch","continue","default","delete","do","else","finally","for","function","if","in","instanceof","new","return","switch","this","throw","try","typeof","var","void","while","with","ometa"];for(var idx=(0);(idx < keywords["length"]);idx++){BSJSParser["keywords"][keywords[idx]]=true}BSJSParser["_isKeyword"]=(function (k){return (this["keywords"].hasProperty(k) && (!Object["prototype"].hasProperty(k)))});BSJSTranslator=OMeta.delegated({"trans":function(){var $elf=this,t,ans;return (function(){$elf._form(function(){return (function(){t=$elf._apply("anything");return ans=$elf._applyWithArgs("apply",t)})()});return ans})()},"curlyTrans":function(){var $elf=this,r,rs,r;return $elf._or((function(){return (function(){$elf._form(function(){return (function(){$elf._applyWithArgs("exactly","begin");return r=$elf._apply("curlyTrans")})()});return r})()}),(function(){return (function(){$elf._form(function(){return 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$elf._applyWithArgs("exactly","`")}));return $elf._apply("tsName")})()}),(function(){return $elf._apply("tsString")}));return ["App","exactly",xs.toProgramString()]})()},"number":function(){var $elf=this,sign,ds;return (function(){sign=$elf._or((function(){return $elf._applyWithArgs("exactly","-")}),(function(){return (function(){$elf._apply("empty");return ""})()}));ds=$elf._many1(function(){return $elf._apply("digit")});return ["App","exactly",(sign + ds.join(""))]})()},"keyword":function(){var $elf=this,xs;return (function(){xs=$elf._apply("anything");$elf._applyWithArgs("token",xs);$elf._not(function(){return $elf._apply("letterOrDigit")});return xs})()},"args":function(){var $elf=this,xs;return $elf._or((function(){return (function(){$elf._applyWithArgs("exactly","(");xs=$elf._applyWithArgs("listOf","hostExpr",",");$elf._applyWithArgs("token",")");return xs})()}),(function(){return (function(){$elf._apply("empty");return []})()}))},"application":function(){var $elf=this,rule,as;return (function(){rule=$elf._apply("name");as=$elf._apply("args");return ["App",rule].concat(as)})()},"hostExpr":function(){var $elf=this,r;return (function(){r=$elf._applyWithArgs("foreign",BSJSParser,"expr");return $elf._applyWithArgs("foreign",BSJSTranslator,"trans",r)})()},"atomicHostExpr":function(){var $elf=this,r;return (function(){r=$elf._applyWithArgs("foreign",BSJSParser,"semAction");return $elf._applyWithArgs("foreign",BSJSTranslator,"trans",r)})()},"curlyHostExpr":function(){var $elf=this,r;return (function(){r=$elf._applyWithArgs("foreign",BSJSParser,"curlySemAction");return $elf._applyWithArgs("foreign",BSJSTranslator,"trans",r)})()},"semAction":function(){var $elf=this,x,x;return $elf._or((function(){return (function(){$elf._or((function(){return $elf._applyWithArgs("token","!")}),(function(){return $elf._applyWithArgs("token","->")}));x=$elf._apply("atomicHostExpr");return ["Act",x]})()}),(function(){return (function(){x=$elf._apply("curlyHostExpr");return ["Act",x]})()}))},"semPred":function(){var $elf=this,x;return (function(){$elf._applyWithArgs("token","?");x=$elf._apply("atomicHostExpr");return ["Pred",x]})()},"expr":function(){var $elf=this,xs;return (function(){xs=$elf._applyWithArgs("listOf","expr4","|");return ["Or"].concat(xs)})()},"expr4":function(){var $elf=this,xs;return (function(){xs=$elf._many(function(){return $elf._apply("expr3")});return ["And"].concat(xs)})()},"optIter":function(){var $elf=this,x;return (function(){x=$elf._apply("anything");return $elf._or((function(){return (function(){$elf._applyWithArgs("token","*");return ["Many",x]})()}),(function(){return (function(){$elf._applyWithArgs("token","+");return ["Many1",x]})()}),(function(){return (function(){$elf._apply("empty");return x})()}))})()},"expr3":function(){var $elf=this,x,x,n,n;return $elf._or((function(){return (function(){x=$elf._apply("expr2");x=$elf._applyWithArgs("optIter",x);return $elf._or((function(){return (function(){$elf._applyWithArgs("exactly",":");n=$elf._apply("name");return (function (){$elf["locals"].push(n);return ["Set",n,x]})()})()}),(function(){return (function(){$elf._apply("empty");return x})()}))})()}),(function(){return (function(){$elf._applyWithArgs("token",":");n=$elf._apply("name");return (function (){$elf["locals"].push(n);return ["Set",n,["App","anything"]]})()})()}))},"expr2":function(){var $elf=this,x,x;return $elf._or((function(){return (function(){$elf._applyWithArgs("token","~");x=$elf._apply("expr2");return ["Not",x]})()}),(function(){return (function(){$elf._applyWithArgs("token","&");x=$elf._apply("expr1");return ["Lookahead",x]})()}),(function(){return $elf._apply("expr1")}))},"expr1":function(){var $elf=this,x,x,x;return $elf._or((function(){return $elf._apply("application")}),(function(){return $elf._apply("semAction")}),(function(){return $elf._apply("semPred")}),(function(){return (function(){x=$elf._or((function(){return $elf._applyWithArgs("keyword","undefined")}),(function(){return $elf._applyWithArgs("keyword","nil")}),(function(){return $elf._applyWithArgs("keyword","true")}),(function(){return $elf._applyWithArgs("keyword","false")}));return ["App","exactly",x]})()}),(function(){return (function(){$elf._apply("spaces");return $elf._or((function(){return $elf._apply("characters")}),(function(){return $elf._apply("sCharacters")}),(function(){return $elf._apply("string")}),(function(){return $elf._apply("number")}))})()}),(function(){return (function(){$elf._applyWithArgs("token","[");x=$elf._apply("expr");$elf._applyWithArgs("token","]");return ["Form",x]})()}),(function(){return (function(){$elf._applyWithArgs("token","(");x=$elf._apply("expr");$elf._applyWithArgs("token",")");return x})()}))},"ruleName":function(){var $elf=this;return $elf._or((function(){return $elf._apply("name")}),(function(){return (function(){$elf._apply("spaces");return $elf._apply("tsString")})()}))},"rule":function(){var $elf=this,n,x,xs;return (function(){$elf._lookahead(function(){return n=$elf._apply("ruleName")});$elf["locals"]=["$elf=this"];x=$elf._applyWithArgs("rulePart",n);xs=$elf._many(function(){return (function(){$elf._applyWithArgs("token",",");return $elf._applyWithArgs("rulePart",n)})()});return ["Rule",n,$elf["locals"],["Or",x].concat(xs)]})()},"rulePart":function(){var $elf=this,rn,n,b1,b2;return (function(){rn=$elf._apply("anything");n=$elf._apply("ruleName");$elf._pred((n == rn));b1=$elf._apply("expr4");return $elf._or((function(){return (function(){$elf._applyWithArgs("token","=");b2=$elf._apply("expr");return ["And",b1,b2]})()}),(function(){return (function(){$elf._apply("empty");return b1})()}))})()},"grammar":function(){var $elf=this,n,sn,rs;return (function(){$elf._applyWithArgs("keyword","ometa");n=$elf._apply("name");sn=$elf._or((function(){return (function(){$elf._applyWithArgs("token","<:");return $elf._apply("name")})()}),(function(){return (function(){$elf._apply("empty");return "OMeta"})()}));$elf._applyWithArgs("token","{");rs=$elf._applyWithArgs("listOf","rule",",");$elf._applyWithArgs("token","}");return $elf._applyWithArgs("foreign",BSOMetaOptimizer,"optimizeGrammar",["Grammar",n,sn].concat(rs))})()}});BSOMetaTranslator=OMeta.delegated({"trans":function(){var $elf=this,t,ans;return (function(){$elf._form(function(){return (function(){t=$elf._apply("anything");return ans=$elf._applyWithArgs("apply",t)})()});return ans})()},"App":function(){var $elf=this,args,rule,args,rule;return $elf._or((function(){return (function(){$elf._applyWithArgs("exactly","super");args=$elf._many1(function(){return $elf._apply("anything")});return [$elf["sName"],"._superApplyWithArgs($elf,",args.join(","),")"].join("")})()}),(function(){return (function(){rule=$elf._apply("anything");args=$elf._many1(function(){return $elf._apply("anything")});return ["$elf._applyWithArgs(\"",rule,"\",",args.join(","),")"].join("")})()}),(function(){return (function(){rule=$elf._apply("anything");return ["$elf._apply(\"",rule,"\")"].join("")})()}))},"Act":function(){var $elf=this,expr;return (function(){expr=$elf._apply("anything");return expr})()},"Pred":function(){var $elf=this,expr;return (function(){expr=$elf._apply("anything");return ["$elf._pred(",expr,")"].join("")})()},"Or":function(){var $elf=this,xs;return (function(){xs=$elf._many(function(){return $elf._apply("transFn")});return ["$elf._or(",xs.join(","),")"].join("")})()},"And":function(){var $elf=this,xs,y;return $elf._or((function(){return (function(){xs=$elf._many(function(){return $elf._applyWithArgs("notLast","trans")});y=$elf._apply("trans");return (function (){xs.push(("return " + y));return ["(function(){",xs.join(";"),"})()"].join("")})()})()}),(function(){return "(function(){})"}))},"Many":function(){var $elf=this,x;return (function(){x=$elf._apply("trans");return ["$elf._many(function(){return ",x,"})"].join("")})()},"Many1":function(){var $elf=this,x;return (function(){x=$elf._apply("trans");return ["$elf._many1(function(){return ",x,"})"].join("")})()},"Set":function(){var $elf=this,n,v;return (function(){n=$elf._apply("anything");v=$elf._apply("trans");return [n,"=",v].join("")})()},"Not":function(){var $elf=this,x;return (function(){x=$elf._apply("trans");return ["$elf._not(function(){return ",x,"})"].join("")})()},"Lookahead":function(){var $elf=this,x;return (function(){x=$elf._apply("trans");return ["$elf._lookahead(function(){return ",x,"})"].join("")})()},"Form":function(){var $elf=this,x;return (function(){x=$elf._apply("trans");return ["$elf._form(function(){return ",x,"})"].join("")})()},"Rule":function(){var $elf=this,name,ls,body;return (function(){name=$elf._apply("anything");ls=$elf._apply("locals");body=$elf._apply("trans");return ["\"",name,"\":function(){",ls,"return ",body,"}"].join("")})()},"Grammar":function(){var $elf=this,name,sName,rules;return (function(){name=$elf._apply("anything");sName=$elf._apply("anything");$elf["sName"]=sName;rules=$elf._many(function(){return $elf._apply("trans")});return [name,"=",sName,".delegated({",rules.join(","),"})"].join("")})()},"locals":function(){var $elf=this,vs;return $elf._or((function(){return (function(){$elf._form(function(){return vs=$elf._many1(function(){return $elf._apply("string")})});return ["var ",vs.join(","),";"].join("")})()}),(function(){return (function(){$elf._form(function(){return (function(){})});return ""})()}))},"transFn":function(){var $elf=this,x;return (function(){x=$elf._apply("trans");return ["(function(){return ",x,"})"].join("")})()}})} //////// bs-ometa-optimizer.js {BSNullOptimization=OMeta.delegated();BSNullOptimization['setHelped']=function() {var $elf=this;return $elf["_didSomething"]=true};BSNullOptimization['helped']=function() {var $elf=this;return $elf._pred($elf["_didSomething"])};BSNullOptimization['trans']=function() {var $elf=this,t,ans;return $elf._or((function(){return (function(){$elf._form(function(){return (function(){t=$elf._apply("anything");$elf._pred($elf.hasProperty(t));return ans=$elf._applyWithArgs("apply", t)})()});return ans})()}),(function(){return $elf._apply("anything")}))};BSNullOptimization['optimize']=function() {var $elf=this,x;return (function(){x=$elf._apply("trans");$elf._apply("helped");return x})()};BSNullOptimization['Or']=function() {var $elf=this,xs;return (function(){xs=$elf._many(function(){return $elf._apply("trans")});return ["Or"].concat(xs)})()};BSNullOptimization['And']=function() {var $elf=this,xs;return (function(){xs=$elf._many(function(){return $elf._apply("trans")});return ["And"].concat(xs)})()};BSNullOptimization['Many']=function() {var $elf=this,x;return (function(){x=$elf._apply("trans");return ["Many",x]})()};BSNullOptimization['Many1']=function() {var $elf=this,x;return (function(){x=$elf._apply("trans");return ["Many1",x]})()};BSNullOptimization['Set']=function() {var $elf=this,n,v;return (function(){n=$elf._apply("anything");v=$elf._apply("trans");return ["Set",n,v]})()};BSNullOptimization['Not']=function() {var $elf=this,x;return (function(){x=$elf._apply("trans");return ["Not",x]})()};BSNullOptimization['Lookahead']=function() {var $elf=this,x;return (function(){x=$elf._apply("trans");return ["Lookahead",x]})()};BSNullOptimization['Form']=function() {var $elf=this,x;return (function(){x=$elf._apply("trans");return ["Form",x]})()};BSNullOptimization['Rule']=function() {var $elf=this,name,ls,body;return (function(){name=$elf._apply("anything");ls=$elf._apply("anything");body=$elf._apply("trans");return ["Rule",name,ls,body]})()};BSNullOptimization.prototype=BSNullOptimization;;BSNullOptimization["initialize"]=(function () {this["_didSomething"]=false});BSAndOrOptimization=BSNullOptimization.delegated();BSAndOrOptimization['And']=function() {var $elf=this,x,xs;return $elf._or((function(){return (function(){x=$elf._apply("trans");$elf._apply("end");$elf._apply("setHelped");return x})()}),(function(){return (function(){xs=$elf._applyWithArgs("transInside", "And");return ["And"].concat(xs)})()}))};BSAndOrOptimization['Or']=function() {var $elf=this,x,xs;return $elf._or((function(){return (function(){x=$elf._apply("trans");$elf._apply("end");$elf._apply("setHelped");return x})()}),(function(){return (function(){xs=$elf._applyWithArgs("transInside", "Or");return ["Or"].concat(xs)})()}))};BSAndOrOptimization['transInside']=function() {var $elf=this,t,xs,ys,x,xs;return (function(){t=$elf._apply("anything");return $elf._or((function(){return (function(){$elf._form(function(){return (function(){$elf._applyWithArgs("exactly", t);return xs=$elf._applyWithArgs("transInside", t)})()});ys=$elf._applyWithArgs("transInside", t);$elf._apply("setHelped");return xs.concat(ys)})()}),(function(){return (function(){x=$elf._apply("trans");xs=$elf._applyWithArgs("transInside", t);return [x].concat(xs)})()}),(function(){return []}))})()};BSAndOrOptimization.prototype=BSAndOrOptimization;;BSOMetaOptimizer=OMeta.delegated();BSOMetaOptimizer['optimizeGrammar']=function() {var $elf=this,n,sn,rs;return (function(){$elf._form(function(){return (function(){$elf._applyWithArgs("exactly", "Grammar");n=$elf._apply("anything");sn=$elf._apply("anything");return rs=$elf._many(function(){return $elf._apply("optimizeRule")})})()});return ["Grammar",n,sn].concat(rs)})()};BSOMetaOptimizer['optimizeRule']=function() {var $elf=this,r,r;return (function(){r=$elf._apply("anything");$elf._many(function(){return r=$elf._applyWithArgs("foreign", BSAndOrOptimization, "optimize", r)});return r})()};BSOMetaOptimizer.prototype=BSOMetaOptimizer;} //////// bs-ometa-js-compiler.js {BSOMetaJSParser=BSJSParser.delegated();BSOMetaJSParser['srcElem']=function() {var $elf=this,r;return $elf._or((function(){return (function(){$elf._apply("spaces");r=$elf._applyWithArgs("foreign", BSOMetaParser, "grammar");$elf._apply("sc");return r})()}),(function(){return BSJSParser._superApplyWithArgs($elf,"srcElem")}))};BSOMetaJSParser.prototype=BSOMetaJSParser;;BSOMetaJSTranslator=BSJSTranslator.delegated();BSOMetaJSTranslator['Grammar']=function() {var $elf=this;return $elf._applyWithArgs("foreign", BSOMetaTranslator, "Grammar")};BSOMetaJSTranslator.prototype=BSOMetaJSTranslator;}