1 // lib/handlebars/base.js
  2 var Handlebars = {};
  3 
  4 Handlebars.VERSION = "1.0.beta.2";
  5 
  6 Handlebars.helpers  = {};
  7 Handlebars.partials = {};
  8 
  9 Handlebars.registerHelper = function(name, fn, inverse) {
 10   if(inverse) { fn.not = inverse; }
 11   this.helpers[name] = fn;
 12 };
 13 
 14 Handlebars.registerPartial = function(name, str) {
 15   this.partials[name] = str;
 16 };
 17 
 18 Handlebars.registerHelper('helperMissing', function(arg) {
 19   if(arguments.length === 2) {
 20     return undefined;
 21   } else {
 22     throw new Error("Could not find property '" + arg + "'");
 23   }
 24 });
 25 
 26 Handlebars.registerHelper('blockHelperMissing', function(context, options) {
 27   var inverse = options.inverse || function() {}, fn = options.fn;
 28 
 29 
 30   var ret = "";
 31   var type = Object.prototype.toString.call(context);
 32 
 33   if(type === "[object Function]") {
 34     context = context();
 35   }
 36 
 37   if(context === true) {
 38     return fn(this);
 39   } else if(context === false || context == null) {
 40     return inverse(this);
 41   } else if(type === "[object Array]") {
 42     if(context.length > 0) {
 43       for(var i=0, j=context.length; i<j; i++) {
 44         ret = ret + fn(context[i]);
 45       }
 46     } else {
 47       ret = inverse(this);
 48     }
 49     return ret;
 50   } else {
 51     return fn(context);
 52   }
 53 });
 54 
 55 Handlebars.registerHelper('each', function(context, options) {
 56   var fn = options.fn, inverse = options.inverse;
 57   var ret = "";
 58 
 59   if(context && context.length > 0) {
 60     for(var i=0, j=context.length; i<j; i++) {
 61       ret = ret + fn(context[i]);
 62     }
 63   } else {
 64     ret = inverse(this);
 65   }
 66   return ret;
 67 });
 68 
 69 Handlebars.registerHelper('if', function(context, options) {
 70   if(!context || Handlebars.Utils.isEmpty(context)) {
 71     return options.inverse(this);
 72   } else {
 73     return options.fn(this);
 74   }
 75 });
 76 
 77 Handlebars.registerHelper('unless', function(context, options) {
 78   var fn = options.fn, inverse = options.inverse;
 79   options.fn = inverse;
 80   options.inverse = fn;
 81 
 82   return Handlebars.helpers['if'].call(this, context, options);
 83 });
 84 
 85 Handlebars.registerHelper('with', function(context, options) {
 86   return options.fn(context);
 87 });
 88 
 89 Handlebars.registerHelper('log', function(context) {
 90   Handlebars.log(context);
 91 });
 92 ;
 93 // lib/handlebars/compiler/parser.js
 94 /* Jison generated parser */
 95 var handlebars = (function(){
 96 
 97 var parser = {trace: function trace() { },
 98 yy: {},
 99 symbols_: {"error":2,"root":3,"program":4,"EOF":5,"statements":6,"simpleInverse":7,"statement":8,"openInverse":9,"closeBlock":10,"openBlock":11,"mustache":12,"partial":13,"CONTENT":14,"COMMENT":15,"OPEN_BLOCK":16,"inMustache":17,"CLOSE":18,"OPEN_INVERSE":19,"OPEN_ENDBLOCK":20,"path":21,"OPEN":22,"OPEN_UNESCAPED":23,"OPEN_PARTIAL":24,"params":25,"hash":26,"param":27,"STRING":28,"INTEGER":29,"BOOLEAN":30,"hashSegments":31,"hashSegment":32,"ID":33,"EQUALS":34,"pathSegments":35,"SEP":36,"$accept":0,"$end":1},
100 terminals_: {2:"error",5:"EOF",14:"CONTENT",15:"COMMENT",16:"OPEN_BLOCK",18:"CLOSE",19:"OPEN_INVERSE",20:"OPEN_ENDBLOCK",22:"OPEN",23:"OPEN_UNESCAPED",24:"OPEN_PARTIAL",28:"STRING",29:"INTEGER",30:"BOOLEAN",33:"ID",34:"EQUALS",36:"SEP"},
101 productions_: [0,[3,2],[4,3],[4,1],[4,0],[6,1],[6,2],[8,3],[8,3],[8,1],[8,1],[8,1],[8,1],[11,3],[9,3],[10,3],[12,3],[12,3],[13,3],[13,4],[7,2],[17,3],[17,2],[17,2],[17,1],[25,2],[25,1],[27,1],[27,1],[27,1],[27,1],[26,1],[31,2],[31,1],[32,3],[32,3],[32,3],[32,3],[21,1],[35,3],[35,1]],
102 performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {
103 
104 var $0 = $$.length - 1;
105 switch (yystate) {
106 case 1: return $$[$0-1]
107 break;
108 case 2: this.$ = new yy.ProgramNode($$[$0-2], $$[$0])
109 break;
110 case 3: this.$ = new yy.ProgramNode($$[$0])
111 break;
112 case 4: this.$ = new yy.ProgramNode([])
113 break;
114 case 5: this.$ = [$$[$0]]
115 break;
116 case 6: $$[$0-1].push($$[$0]); this.$ = $$[$0-1]
117 break;
118 case 7: this.$ = new yy.InverseNode($$[$0-2], $$[$0-1], $$[$0])
119 break;
120 case 8: this.$ = new yy.BlockNode($$[$0-2], $$[$0-1], $$[$0])
121 break;
122 case 9: this.$ = $$[$0]
123 break;
124 case 10: this.$ = $$[$0]
125 break;
126 case 11: this.$ = new yy.ContentNode($$[$0])
127 break;
128 case 12: this.$ = new yy.CommentNode($$[$0])
129 break;
130 case 13: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1])
131 break;
132 case 14: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1])
133 break;
134 case 15: this.$ = $$[$0-1]
135 break;
136 case 16: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1])
137 break;
138 case 17: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], true)
139 break;
140 case 18: this.$ = new yy.PartialNode($$[$0-1])
141 break;
142 case 19: this.$ = new yy.PartialNode($$[$0-2], $$[$0-1])
143 break;
144 case 20:
145 break;
146 case 21: this.$ = [[$$[$0-2]].concat($$[$0-1]), $$[$0]]
147 break;
148 case 22: this.$ = [[$$[$0-1]].concat($$[$0]), null]
149 break;
150 case 23: this.$ = [[$$[$0-1]], $$[$0]]
151 break;
152 case 24: this.$ = [[$$[$0]], null]
153 break;
154 case 25: $$[$0-1].push($$[$0]); this.$ = $$[$0-1];
155 break;
156 case 26: this.$ = [$$[$0]]
157 break;
158 case 27: this.$ = $$[$0]
159 break;
160 case 28: this.$ = new yy.StringNode($$[$0])
161 break;
162 case 29: this.$ = new yy.IntegerNode($$[$0])
163 break;
164 case 30: this.$ = new yy.BooleanNode($$[$0])
165 break;
166 case 31: this.$ = new yy.HashNode($$[$0])
167 break;
168 case 32: $$[$0-1].push($$[$0]); this.$ = $$[$0-1]
169 break;
170 case 33: this.$ = [$$[$0]]
171 break;
172 case 34: this.$ = [$$[$0-2], $$[$0]]
173 break;
174 case 35: this.$ = [$$[$0-2], new yy.StringNode($$[$0])]
175 break;
176 case 36: this.$ = [$$[$0-2], new yy.IntegerNode($$[$0])]
177 break;
178 case 37: this.$ = [$$[$0-2], new yy.BooleanNode($$[$0])]
179 break;
180 case 38: this.$ = new yy.IdNode($$[$0])
181 break;
182 case 39: $$[$0-2].push($$[$0]); this.$ = $$[$0-2];
183 break;
184 case 40: this.$ = [$$[$0]]
185 break;
186 }
187 },
188 table: [{3:1,4:2,5:[2,4],6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],24:[1,15]},{1:[3]},{5:[1,16]},{5:[2,3],7:17,8:18,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,19],20:[2,3],22:[1,13],23:[1,14],24:[1,15]},{5:[2,5],14:[2,5],15:[2,5],16:[2,5],19:[2,5],20:[2,5],22:[2,5],23:[2,5],24:[2,5]},{4:20,6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],24:[1,15]},{4:21,6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],24:[1,15]},{5:[2,9],14:[2,9],15:[2,9],16:[2,9],19:[2,9],20:[2,9],22:[2,9],23:[2,9],24:[2,9]},{5:[2,10],14:[2,10],15:[2,10],16:[2,10],19:[2,10],20:[2,10],22:[2,10],23:[2,10],24:[2,10]},{5:[2,11],14:[2,11],15:[2,11],16:[2,11],19:[2,11],20:[2,11],22:[2,11],23:[2,11],24:[2,11]},{5:[2,12],14:[2,12],15:[2,12],16:[2,12],19:[2,12],20:[2,12],22:[2,12],23:[2,12],24:[2,12]},{17:22,21:23,33:[1,25],35:24},{17:26,21:23,33:[1,25],35:24},{17:27,21:23,33:[1,25],35:24},{17:28,21:23,33:[1,25],35:24},{21:29,33:[1,25],35:24},{1:[2,1]},{6:30,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],24:[1,15]},{5:[2,6],14:[2,6],15:[2,6],16:[2,6],19:[2,6],20:[2,6],22:[2,6],23:[2,6],24:[2,6]},{17:22,18:[1,31],21:23,33:[1,25],35:24},{10:32,20:[1,33]},{10:34,20:[1,33]},{18:[1,35]},{18:[2,24],21:40,25:36,26:37,27:38,28:[1,41],29:[1,42],30:[1,43],31:39,32:44,33:[1,45],35:24},{18:[2,38],28:[2,38],29:[2,38],30:[2,38],33:[2,38],36:[1,46]},{18:[2,40],28:[2,40],29:[2,40],30:[2,40],33:[2,40],36:[2,40]},{18:[1,47]},{18:[1,48]},{18:[1,49]},{18:[1,50],21:51,33:[1,25],35:24},{5:[2,2],8:18,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,2],22:[1,13],23:[1,14],24:[1,15]},{14:[2,20],15:[2,20],16:[2,20],19:[2,20],22:[2,20],23:[2,20],24:[2,20]},{5:[2,7],14:[2,7],15:[2,7],16:[2,7],19:[2,7],20:[2,7],22:[2,7],23:[2,7],24:[2,7]},{21:52,33:[1,25],35:24},{5:[2,8],14:[2,8],15:[2,8],16:[2,8],19:[2,8],20:[2,8],22:[2,8],23:[2,8],24:[2,8]},{14:[2,14],15:[2,14],16:[2,14],19:[2,14],20:[2,14],22:[2,14],23:[2,14],24:[2,14]},{18:[2,22],21:40,26:53,27:54,28:[1,41],29:[1,42],30:[1,43],31:39,32:44,33:[1,45],35:24},{18:[2,23]},{18:[2,26],28:[2,26],29:[2,26],30:[2,26],33:[2,26]},{18:[2,31],32:55,33:[1,56]},{18:[2,27],28:[2,27],29:[2,27],30:[2,27],33:[2,27]},{18:[2,28],28:[2,28],29:[2,28],30:[2,28],33:[2,28]},{18:[2,29],28:[2,29],29:[2,29],30:[2,29],33:[2,29]},{18:[2,30],28:[2,30],29:[2,30],30:[2,30],33:[2,30]},{18:[2,33],33:[2,33]},{18:[2,40],28:[2,40],29:[2,40],30:[2,40],33:[2,40],34:[1,57],36:[2,40]},{33:[1,58]},{14:[2,13],15:[2,13],16:[2,13],19:[2,13],20:[2,13],22:[2,13],23:[2,13],24:[2,13]},{5:[2,16],14:[2,16],15:[2,16],16:[2,16],19:[2,16],20:[2,16],22:[2,16],23:[2,16],24:[2,16]},{5:[2,17],14:[2,17],15:[2,17],16:[2,17],19:[2,17],20:[2,17],22:[2,17],23:[2,17],24:[2,17]},{5:[2,18],14:[2,18],15:[2,18],16:[2,18],19:[2,18],20:[2,18],22:[2,18],23:[2,18],24:[2,18]},{18:[1,59]},{18:[1,60]},{18:[2,21]},{18:[2,25],28:[2,25],29:[2,25],30:[2,25],33:[2,25]},{18:[2,32],33:[2,32]},{34:[1,57]},{21:61,28:[1,62],29:[1,63],30:[1,64],33:[1,25],35:24},{18:[2,39],28:[2,39],29:[2,39],30:[2,39],33:[2,39],36:[2,39]},{5:[2,19],14:[2,19],15:[2,19],16:[2,19],19:[2,19],20:[2,19],22:[2,19],23:[2,19],24:[2,19]},{5:[2,15],14:[2,15],15:[2,15],16:[2,15],19:[2,15],20:[2,15],22:[2,15],23:[2,15],24:[2,15]},{18:[2,34],33:[2,34]},{18:[2,35],33:[2,35]},{18:[2,36],33:[2,36]},{18:[2,37],33:[2,37]}],
189 defaultActions: {16:[2,1],37:[2,23],53:[2,21]},
190 parseError: function parseError(str, hash) {
191     throw new Error(str);
192 },
193 parse: function parse(input) {
194     var self = this,
195         stack = [0],
196         vstack = [null], // semantic value stack
197         lstack = [], // location stack
198         table = this.table,
199         yytext = '',
200         yylineno = 0,
201         yyleng = 0,
202         recovering = 0,
203         TERROR = 2,
204         EOF = 1;
205 
206     //this.reductionCount = this.shiftCount = 0;
207 
208     this.lexer.setInput(input);
209     this.lexer.yy = this.yy;
210     this.yy.lexer = this.lexer;
211     if (typeof this.lexer.yylloc == 'undefined')
212         this.lexer.yylloc = {};
213     var yyloc = this.lexer.yylloc;
214     lstack.push(yyloc);
215 
216     if (typeof this.yy.parseError === 'function')
217         this.parseError = this.yy.parseError;
218 
219     function popStack (n) {
220         stack.length = stack.length - 2*n;
221         vstack.length = vstack.length - n;
222         lstack.length = lstack.length - n;
223     }
224 
225     function lex() {
226         var token;
227         token = self.lexer.lex() || 1; // $end = 1
228         // if token isn't its numeric value, convert
229         if (typeof token !== 'number') {
230             token = self.symbols_[token] || token;
231         }
232         return token;
233     };
234 
235     var symbol, preErrorSymbol, state, action, a, r, yyval={},p,len,newState, expected;
236     while (true) {
237         // retreive state number from top of stack
238         state = stack[stack.length-1];
239 
240         // use default actions if available
241         if (this.defaultActions[state]) {
242             action = this.defaultActions[state];
243         } else {
244             if (symbol == null)
245                 symbol = lex();
246             // read action for current state and first input
247             action = table[state] && table[state][symbol];
248         }
249 
250         // handle parse error
251         if (typeof action === 'undefined' || !action.length || !action[0]) {
252 
253             if (!recovering) {
254                 // Report error
255                 expected = [];
256                 for (p in table[state]) if (this.terminals_[p] && p > 2) {
257                     expected.push("'"+this.terminals_[p]+"'");
258                 }
259                 var errStr = '';
260                 if (this.lexer.showPosition) {
261                     errStr = 'Parse error on line '+(yylineno+1)+":\n"+this.lexer.showPosition()+'\nExpecting '+expected.join(', ');
262                 } else {
263                     errStr = 'Parse error on line '+(yylineno+1)+": Unexpected " +
264                                   (symbol == 1 /*EOF*/ ? "end of input" :
265                                               ("'"+(this.terminals_[symbol] || symbol)+"'"));
266                 }
267                 this.parseError(errStr,
268                     {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
269             }
270 
271             // just recovered from another error
272             if (recovering == 3) {
273                 if (symbol == EOF) {
274                     throw new Error(errStr || 'Parsing halted.');
275                 }
276 
277                 // discard current lookahead and grab another
278                 yyleng = this.lexer.yyleng;
279                 yytext = this.lexer.yytext;
280                 yylineno = this.lexer.yylineno;
281                 yyloc = this.lexer.yylloc;
282                 symbol = lex();
283             }
284 
285             // try to recover from error
286             while (1) {
287                 // check for error recovery rule in this state
288                 if ((TERROR.toString()) in table[state]) {
289                     break;
290                 }
291                 if (state == 0) {
292                     throw new Error(errStr || 'Parsing halted.');
293                 }
294                 popStack(1);
295                 state = stack[stack.length-1];
296             }
297 
298             preErrorSymbol = symbol; // save the lookahead token
299             symbol = TERROR;         // insert generic error symbol as new lookahead
300             state = stack[stack.length-1];
301             action = table[state] && table[state][TERROR];
302             recovering = 3; // allow 3 real symbols to be shifted before reporting a new error
303         }
304 
305         // this shouldn't happen, unless resolve defaults are off
306         if (action[0] instanceof Array && action.length > 1) {
307             throw new Error('Parse Error: multiple actions possible at state: '+state+', token: '+symbol);
308         }
309 
310         switch (action[0]) {
311 
312             case 1: // shift
313                 //this.shiftCount++;
314 
315                 stack.push(symbol);
316                 vstack.push(this.lexer.yytext);
317                 lstack.push(this.lexer.yylloc);
318                 stack.push(action[1]); // push state
319                 symbol = null;
320                 if (!preErrorSymbol) { // normal execution/no error
321                     yyleng = this.lexer.yyleng;
322                     yytext = this.lexer.yytext;
323                     yylineno = this.lexer.yylineno;
324                     yyloc = this.lexer.yylloc;
325                     if (recovering > 0)
326                         recovering--;
327                 } else { // error just occurred, resume old lookahead f/ before error
328                     symbol = preErrorSymbol;
329                     preErrorSymbol = null;
330                 }
331                 break;
332 
333             case 2: // reduce
334                 //this.reductionCount++;
335 
336                 len = this.productions_[action[1]][1];
337 
338                 // perform semantic action
339                 yyval.$ = vstack[vstack.length-len]; // default to $$ = $1
340                 // default location, uses first token for firsts, last for lasts
341                 yyval._$ = {
342                     first_line: lstack[lstack.length-(len||1)].first_line,
343                     last_line: lstack[lstack.length-1].last_line,
344                     first_column: lstack[lstack.length-(len||1)].first_column,
345                     last_column: lstack[lstack.length-1].last_column
346                 };
347                 r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);
348 
349                 if (typeof r !== 'undefined') {
350                     return r;
351                 }
352 
353                 // pop off stack
354                 if (len) {
355                     stack = stack.slice(0,-1*len*2);
356                     vstack = vstack.slice(0, -1*len);
357                     lstack = lstack.slice(0, -1*len);
358                 }
359 
360                 stack.push(this.productions_[action[1]][0]);    // push nonterminal (reduce)
361                 vstack.push(yyval.$);
362                 lstack.push(yyval._$);
363                 // goto new state = table[STATE][NONTERMINAL]
364                 newState = table[stack[stack.length-2]][stack[stack.length-1]];
365                 stack.push(newState);
366                 break;
367 
368             case 3: // accept
369                 return true;
370         }
371 
372     }
373 
374     return true;
375 }};/* Jison generated lexer */
376 var lexer = (function(){
377 
378 var lexer = ({EOF:1,
379 parseError:function parseError(str, hash) {
380         if (this.yy.parseError) {
381             this.yy.parseError(str, hash);
382         } else {
383             throw new Error(str);
384         }
385     },
386 setInput:function (input) {
387         this._input = input;
388         this._more = this._less = this.done = false;
389         this.yylineno = this.yyleng = 0;
390         this.yytext = this.matched = this.match = '';
391         this.conditionStack = ['INITIAL'];
392         this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
393         return this;
394     },
395 input:function () {
396         var ch = this._input[0];
397         this.yytext+=ch;
398         this.yyleng++;
399         this.match+=ch;
400         this.matched+=ch;
401         var lines = ch.match(/\n/);
402         if (lines) this.yylineno++;
403         this._input = this._input.slice(1);
404         return ch;
405     },
406 unput:function (ch) {
407         this._input = ch + this._input;
408         return this;
409     },
410 more:function () {
411         this._more = true;
412         return this;
413     },
414 pastInput:function () {
415         var past = this.matched.substr(0, this.matched.length - this.match.length);
416         return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
417     },
418 upcomingInput:function () {
419         var next = this.match;
420         if (next.length < 20) {
421             next += this._input.substr(0, 20-next.length);
422         }
423         return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
424     },
425 showPosition:function () {
426         var pre = this.pastInput();
427         var c = new Array(pre.length + 1).join("-");
428         return pre + this.upcomingInput() + "\n" + c+"^";
429     },
430 next:function () {
431         if (this.done) {
432             return this.EOF;
433         }
434         if (!this._input) this.done = true;
435 
436         var token,
437             match,
438             col,
439             lines;
440         if (!this._more) {
441             this.yytext = '';
442             this.match = '';
443         }
444         var rules = this._currentRules();
445         for (var i=0;i < rules.length; i++) {
446             match = this._input.match(this.rules[rules[i]]);
447             if (match) {
448                 lines = match[0].match(/\n.*/g);
449                 if (lines) this.yylineno += lines.length;
450                 this.yylloc = {first_line: this.yylloc.last_line,
451                                last_line: this.yylineno+1,
452                                first_column: this.yylloc.last_column,
453                                last_column: lines ? lines[lines.length-1].length-1 : this.yylloc.last_column + match[0].length}
454                 this.yytext += match[0];
455                 this.match += match[0];
456                 this.matches = match;
457                 this.yyleng = this.yytext.length;
458                 this._more = false;
459                 this._input = this._input.slice(match[0].length);
460                 this.matched += match[0];
461                 token = this.performAction.call(this, this.yy, this, rules[i],this.conditionStack[this.conditionStack.length-1]);
462                 if (token) return token;
463                 else return;
464             }
465         }
466         if (this._input === "") {
467             return this.EOF;
468         } else {
469             this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
470                     {text: "", token: null, line: this.yylineno});
471         }
472     },
473 lex:function lex() {
474         var r = this.next();
475         if (typeof r !== 'undefined') {
476             return r;
477         } else {
478             return this.lex();
479         }
480     },
481 begin:function begin(condition) {
482         this.conditionStack.push(condition);
483     },
484 popState:function popState() {
485         return this.conditionStack.pop();
486     },
487 _currentRules:function _currentRules() {
488         return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
489     }});
490 lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {
491 
492 var YYSTATE=YY_START
493 switch($avoiding_name_collisions) {
494 case 0: this.begin("mu"); if (yy_.yytext) return 14;
495 break;
496 case 1: return 14;
497 break;
498 case 2: return 24;
499 break;
500 case 3: return 16;
501 break;
502 case 4: return 20;
503 break;
504 case 5: return 19;
505 break;
506 case 6: return 19;
507 break;
508 case 7: return 23;
509 break;
510 case 8: return 23;
511 break;
512 case 9: yy_.yytext = yy_.yytext.substr(3,yy_.yyleng-5); this.begin("INITIAL"); return 15;
513 break;
514 case 10: return 22;
515 break;
516 case 11: return 34;
517 break;
518 case 12: return 33;
519 break;
520 case 13: return 33;
521 break;
522 case 14: return 36;
523 break;
524 case 15: /*ignore whitespace*/
525 break;
526 case 16: this.begin("INITIAL"); return 18;
527 break;
528 case 17: this.begin("INITIAL"); return 18;
529 break;
530 case 18: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\"/g,'"'); return 28;
531 break;
532 case 19: return 30;
533 break;
534 case 20: return 30;
535 break;
536 case 21: return 29;
537 break;
538 case 22: return 33;
539 break;
540 case 23: yy_.yytext = yy_.yytext.substr(1, yy_.yyleng-2); return 33;
541 break;
542 case 24: return 'INVALID';
543 break;
544 case 25: return 5;
545 break;
546 }
547 };
548 lexer.rules = [/^[^\x00]*?(?=(\{\{))/,/^[^\x00]+/,/^\{\{>/,/^\{\{#/,/^\{\{\//,/^\{\{\^/,/^\{\{\s*else\b/,/^\{\{\{/,/^\{\{&/,/^\{\{![\s\S]*?\}\}/,/^\{\{/,/^=/,/^\.(?=[} ])/,/^\.\./,/^[/.]/,/^\s+/,/^\}\}\}/,/^\}\}/,/^"(\\["]|[^"])*"/,/^true(?=[}\s])/,/^false(?=[}\s])/,/^[0-9]+(?=[}\s])/,/^[a-zA-Z0-9_$-]+(?=[=}\s/.])/,/^\[.*\]/,/^./,/^$/];
549 lexer.conditions = {"mu":{"rules":[2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25],"inclusive":false},"INITIAL":{"rules":[0,1,25],"inclusive":true}};return lexer;})()
550 parser.lexer = lexer;
551 return parser;
552 })();;
553 // lib/handlebars/compiler/base.js
554 Handlebars.Parser = handlebars;
555 
556 Handlebars.parse = function(string) {
557   Handlebars.Parser.yy = Handlebars.AST;
558   return Handlebars.Parser.parse(string);
559 };
560 
561 Handlebars.print = function(ast) {
562   return new Handlebars.PrintVisitor().accept(ast);
563 };
564 
565 Handlebars.logger = {
566   DEBUG: 0, INFO: 1, WARN: 2, ERROR: 3, level: 3,
567 
568   // override in the host environment
569   log: function(level, str) {}
570 };
571 
572 Handlebars.log = function(level, str) { Handlebars.logger.log(level, str); };
573 ;
574 // lib/handlebars/compiler/ast.js
575 (function() {
576 
577   Handlebars.AST = {};
578 
579   Handlebars.AST.ProgramNode = function(statements, inverse) {
580     this.type = "program";
581     this.statements = statements;
582     if(inverse) { this.inverse = new Handlebars.AST.ProgramNode(inverse); }
583   };
584 
585   Handlebars.AST.MustacheNode = function(params, hash, unescaped) {
586     this.type = "mustache";
587     this.id = params[0];
588     this.params = params.slice(1);
589     this.hash = hash;
590     this.escaped = !unescaped;
591   };
592 
593   Handlebars.AST.PartialNode = function(id, context) {
594     this.type    = "partial";
595 
596     // TODO: disallow complex IDs
597 
598     this.id      = id;
599     this.context = context;
600   };
601 
602   var verifyMatch = function(open, close) {
603     if(open.original !== close.original) {
604       throw new Handlebars.Exception(open.original + " doesn't match " + close.original);
605     }
606   };
607 
608   Handlebars.AST.BlockNode = function(mustache, program, close) {
609     verifyMatch(mustache.id, close);
610     this.type = "block";
611     this.mustache = mustache;
612     this.program  = program;
613   };
614 
615   Handlebars.AST.InverseNode = function(mustache, program, close) {
616     verifyMatch(mustache.id, close);
617     this.type = "inverse";
618     this.mustache = mustache;
619     this.program  = program;
620   };
621 
622   Handlebars.AST.ContentNode = function(string) {
623     this.type = "content";
624     this.string = string;
625   };
626 
627   Handlebars.AST.HashNode = function(pairs) {
628     this.type = "hash";
629     this.pairs = pairs;
630   };
631 
632   Handlebars.AST.IdNode = function(parts) {
633     this.type = "ID";
634     this.original = parts.join(".");
635 
636     var dig = [], depth = 0;
637 
638     for(var i=0,l=parts.length; i<l; i++) {
639       var part = parts[i];
640 
641       if(part === "..") { depth++; }
642       else if(part === "." || part === "this") { this.isScoped = true; }
643       else { dig.push(part); }
644     }
645 
646     this.parts    = dig;
647     this.string   = dig.join('.');
648     this.depth    = depth;
649     this.isSimple = (dig.length === 1) && (depth === 0);
650   };
651 
652   Handlebars.AST.StringNode = function(string) {
653     this.type = "STRING";
654     this.string = string;
655   };
656 
657   Handlebars.AST.IntegerNode = function(integer) {
658     this.type = "INTEGER";
659     this.integer = integer;
660   };
661 
662   Handlebars.AST.BooleanNode = function(bool) {
663     this.type = "BOOLEAN";
664     this.bool = bool;
665   };
666 
667   Handlebars.AST.CommentNode = function(comment) {
668     this.type = "comment";
669     this.comment = comment;
670   };
671 
672 })();;
673 // lib/handlebars/utils.js
674 Handlebars.Exception = function(message) {
675   var tmp = Error.prototype.constructor.apply(this, arguments);
676 
677   for (var p in tmp) {
678     if (tmp.hasOwnProperty(p)) { this[p] = tmp[p]; }
679   }
680 };
681 Handlebars.Exception.prototype = new Error;
682 
683 // Build out our basic SafeString type
684 Handlebars.SafeString = function(string) {
685   this.string = string;
686 };
687 Handlebars.SafeString.prototype.toString = function() {
688   return this.string.toString();
689 };
690 
691 (function() {
692   var escape = {
693     "&": "&",
694     "<": "<",
695     ">": ">",
696     '"': """,
697     "'": "'",
698     "`": "`"
699   };
700 
701   var badChars = /[&<>"'`]/g;
702   var possible = /[&<>"'`]/;
703 
704   var escapeChar = function(chr) {
705     return escape[chr] || "&";
706   };
707 
708   Handlebars.Utils = {
709     escapeExpression: function(string) {
710       // don't escape SafeStrings, since they're already safe
711       if (string instanceof Handlebars.SafeString) {
712         return string.toString();
713       } else if (string == null || string === false) {
714         return "";
715       }
716 
717       if(!possible.test(string)) { return string; }
718       return string.replace(badChars, escapeChar);
719     },
720 
721     isEmpty: function(value) {
722       if (typeof value === "undefined") {
723         return true;
724       } else if (value === null) {
725         return true;
726       } else if (value === false) {
727         return true;
728       } else if(Object.prototype.toString.call(value) === "[object Array]" && value.length === 0) {
729         return true;
730       } else {
731         return false;
732       }
733     }
734   };
735 })();;
736 // lib/handlebars/compiler/compiler.js
737 Handlebars.Compiler = function() {};
738 Handlebars.JavaScriptCompiler = function() {};
739 
740 (function(Compiler, JavaScriptCompiler) {
741   Compiler.OPCODE_MAP = {
742     appendContent: 1,
743     getContext: 2,
744     lookupWithHelpers: 3,
745     lookup: 4,
746     append: 5,
747     invokeMustache: 6,
748     appendEscaped: 7,
749     pushString: 8,
750     truthyOrFallback: 9,
751     functionOrFallback: 10,
752     invokeProgram: 11,
753     invokePartial: 12,
754     push: 13,
755     assignToHash: 15,
756     pushStringParam: 16
757   };
758 
759   Compiler.MULTI_PARAM_OPCODES = {
760     appendContent: 1,
761     getContext: 1,
762     lookupWithHelpers: 2,
763     lookup: 1,
764     invokeMustache: 3,
765     pushString: 1,
766     truthyOrFallback: 1,
767     functionOrFallback: 1,
768     invokeProgram: 3,
769     invokePartial: 1,
770     push: 1,
771     assignToHash: 1,
772     pushStringParam: 1
773   };
774 
775   Compiler.DISASSEMBLE_MAP = {};
776 
777   for(var prop in Compiler.OPCODE_MAP) {
778     var value = Compiler.OPCODE_MAP[prop];
779     Compiler.DISASSEMBLE_MAP[value] = prop;
780   }
781 
782   Compiler.multiParamSize = function(code) {
783     return Compiler.MULTI_PARAM_OPCODES[Compiler.DISASSEMBLE_MAP[code]];
784   };
785 
786   Compiler.prototype = {
787     compiler: Compiler,
788 
789     disassemble: function() {
790       var opcodes = this.opcodes, opcode, nextCode;
791       var out = [], str, name, value;
792 
793       for(var i=0, l=opcodes.length; i<l; i++) {
794         opcode = opcodes[i];
795 
796         if(opcode === 'DECLARE') {
797           name = opcodes[++i];
798           value = opcodes[++i];
799           out.push("DECLARE " + name + " = " + value);
800         } else {
801           str = Compiler.DISASSEMBLE_MAP[opcode];
802 
803           var extraParams = Compiler.multiParamSize(opcode);
804           var codes = [];
805 
806           for(var j=0; j<extraParams; j++) {
807             nextCode = opcodes[++i];
808 
809             if(typeof nextCode === "string") {
810               nextCode = "\"" + nextCode.replace("\n", "\\n") + "\"";
811             }
812 
813             codes.push(nextCode);
814           }
815 
816           str = str + " " + codes.join(" ");
817 
818           out.push(str);
819         }
820       }
821 
822       return out.join("\n");
823     },
824 
825     guid: 0,
826 
827     compile: function(program, options) {
828       this.children = [];
829       this.depths = {list: []};
830       this.options = options;
831 
832       // These changes will propagate to the other compiler components
833       var knownHelpers = this.options.knownHelpers;
834       this.options.knownHelpers = {
835         'helperMissing': true,
836         'blockHelperMissing': true,
837         'each': true,
838         'if': true,
839         'unless': true,
840         'with': true,
841         'log': true
842       };
843       if (knownHelpers) {
844         for (var name in knownHelpers) {
845           this.options.knownHelpers[name] = knownHelpers[name];
846         }
847       }
848 
849       return this.program(program);
850     },
851 
852     accept: function(node) {
853       return this[node.type](node);
854     },
855 
856     program: function(program) {
857       var statements = program.statements, statement;
858       this.opcodes = [];
859 
860       for(var i=0, l=statements.length; i<l; i++) {
861         statement = statements[i];
862         this[statement.type](statement);
863       }
864       this.isSimple = l === 1;
865 
866       this.depths.list = this.depths.list.sort(function(a, b) {
867         return a - b;
868       });
869 
870       return this;
871     },
872 
873     compileProgram: function(program) {
874       var result = new this.compiler().compile(program, this.options);
875       var guid = this.guid++;
876 
877       this.usePartial = this.usePartial || result.usePartial;
878 
879       this.children[guid] = result;
880 
881       for(var i=0, l=result.depths.list.length; i<l; i++) {
882         depth = result.depths.list[i];
883 
884         if(depth < 2) { continue; }
885         else { this.addDepth(depth - 1); }
886       }
887 
888       return guid;
889     },
890 
891     block: function(block) {
892       var mustache = block.mustache;
893       var depth, child, inverse, inverseGuid;
894 
895       var params = this.setupStackForMustache(mustache);
896 
897       var programGuid = this.compileProgram(block.program);
898 
899       if(block.program.inverse) {
900         inverseGuid = this.compileProgram(block.program.inverse);
901         this.declare('inverse', inverseGuid);
902       }
903 
904       this.opcode('invokeProgram', programGuid, params.length, !!mustache.hash);
905       this.declare('inverse', null);
906       this.opcode('append');
907     },
908 
909     inverse: function(block) {
910       var params = this.setupStackForMustache(block.mustache);
911 
912       var programGuid = this.compileProgram(block.program);
913 
914       this.declare('inverse', programGuid);
915 
916       this.opcode('invokeProgram', null, params.length, !!block.mustache.hash);
917       this.opcode('append');
918     },
919 
920     hash: function(hash) {
921       var pairs = hash.pairs, pair, val;
922 
923       this.opcode('push', '{}');
924 
925       for(var i=0, l=pairs.length; i<l; i++) {
926         pair = pairs[i];
927         val  = pair[1];
928 
929         this.accept(val);
930         this.opcode('assignToHash', pair[0]);
931       }
932     },
933 
934     partial: function(partial) {
935       var id = partial.id;
936       this.usePartial = true;
937 
938       if(partial.context) {
939         this.ID(partial.context);
940       } else {
941         this.opcode('push', 'depth0');
942       }
943 
944       this.opcode('invokePartial', id.original);
945       this.opcode('append');
946     },
947 
948     content: function(content) {
949       this.opcode('appendContent', content.string);
950     },
951 
952     mustache: function(mustache) {
953       var params = this.setupStackForMustache(mustache);
954 
955       this.opcode('invokeMustache', params.length, mustache.id.original, !!mustache.hash);
956 
957       if(mustache.escaped) {
958         this.opcode('appendEscaped');
959       } else {
960         this.opcode('append');
961       }
962     },
963 
964     ID: function(id) {
965       this.addDepth(id.depth);
966 
967       this.opcode('getContext', id.depth);
968 
969       this.opcode('lookupWithHelpers', id.parts[0] || null, id.isScoped || false);
970 
971       for(var i=1, l=id.parts.length; i<l; i++) {
972         this.opcode('lookup', id.parts[i]);
973       }
974     },
975 
976     STRING: function(string) {
977       this.opcode('pushString', string.string);
978     },
979 
980     INTEGER: function(integer) {
981       this.opcode('push', integer.integer);
982     },
983 
984     BOOLEAN: function(bool) {
985       this.opcode('push', bool.bool);
986     },
987 
988     comment: function() {},
989 
990     // HELPERS
991     pushParams: function(params) {
992       var i = params.length, param;
993 
994       while(i--) {
995         param = params[i];
996 
997         if(this.options.stringParams) {
998           if(param.depth) {
999             this.addDepth(param.depth);
1000           }
1001 
1002           this.opcode('getContext', param.depth || 0);
1003           this.opcode('pushStringParam', param.string);
1004         } else {
1005           this[param.type](param);
1006         }
1007       }
1008     },
1009 
1010     opcode: function(name, val1, val2, val3) {
1011       this.opcodes.push(Compiler.OPCODE_MAP[name]);
1012       if(val1 !== undefined) { this.opcodes.push(val1); }
1013       if(val2 !== undefined) { this.opcodes.push(val2); }
1014       if(val3 !== undefined) { this.opcodes.push(val3); }
1015     },
1016 
1017     declare: function(name, value) {
1018       this.opcodes.push('DECLARE');
1019       this.opcodes.push(name);
1020       this.opcodes.push(value);
1021     },
1022 
1023     addDepth: function(depth) {
1024       if(depth === 0) { return; }
1025 
1026       if(!this.depths[depth]) {
1027         this.depths[depth] = true;
1028         this.depths.list.push(depth);
1029       }
1030     },
1031 
1032     setupStackForMustache: function(mustache) {
1033       var params = mustache.params;
1034 
1035       this.pushParams(params);
1036 
1037       if(mustache.hash) {
1038         this.hash(mustache.hash);
1039       }
1040 
1041       this.ID(mustache.id);
1042 
1043       return params;
1044     }
1045   };
1046 
1047   JavaScriptCompiler.prototype = {
1048     // PUBLIC API: You can override these methods in a subclass to provide
1049     // alternative compiled forms for name lookup and buffering semantics
1050     nameLookup: function(parent, name, type) {
1051             if (/^[0-9]+$/.test(name)) {
1052         return parent + "[" + name + "]";
1053       } else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
1054             return parent + "." + name;
1055             }
1056             else {
1057                 return parent + "['" + name + "']";
1058       }
1059     },
1060 
1061     appendToBuffer: function(string) {
1062       if (this.environment.isSimple) {
1063         return "return " + string + ";";
1064       } else {
1065         return "buffer += " + string + ";";
1066       }
1067     },
1068 
1069     initializeBuffer: function() {
1070       return this.quotedString("");
1071     },
1072 
1073     namespace: "Handlebars",
1074     // END PUBLIC API
1075 
1076     compile: function(environment, options, context, asObject) {
1077       this.environment = environment;
1078       this.options = options || {};
1079 
1080       this.name = this.environment.name;
1081       this.isChild = !!context;
1082       this.context = context || {
1083         programs: [],
1084         aliases: { self: 'this' },
1085         registers: {list: []}
1086       };
1087 
1088       this.preamble();
1089 
1090       this.stackSlot = 0;
1091       this.stackVars = [];
1092 
1093       this.compileChildren(environment, options);
1094 
1095       var opcodes = environment.opcodes, opcode;
1096 
1097       this.i = 0;
1098 
1099       for(l=opcodes.length; this.i<l; this.i++) {
1100         opcode = this.nextOpcode(0);
1101 
1102         if(opcode[0] === 'DECLARE') {
1103           this.i = this.i + 2;
1104           this[opcode[1]] = opcode[2];
1105         } else {
1106           this.i = this.i + opcode[1].length;
1107           this[opcode[0]].apply(this, opcode[1]);
1108         }
1109       }
1110 
1111       return this.createFunctionContext(asObject);
1112     },
1113 
1114     nextOpcode: function(n) {
1115       var opcodes = this.environment.opcodes, opcode = opcodes[this.i + n], name, val;
1116       var extraParams, codes;
1117 
1118       if(opcode === 'DECLARE') {
1119         name = opcodes[this.i + 1];
1120         val  = opcodes[this.i + 2];
1121         return ['DECLARE', name, val];
1122       } else {
1123         name = Compiler.DISASSEMBLE_MAP[opcode];
1124 
1125         extraParams = Compiler.multiParamSize(opcode);
1126         codes = [];
1127 
1128         for(var j=0; j<extraParams; j++) {
1129           codes.push(opcodes[this.i + j + 1 + n]);
1130         }
1131 
1132         return [name, codes];
1133       }
1134     },
1135 
1136     eat: function(opcode) {
1137       this.i = this.i + opcode.length;
1138     },
1139 
1140     preamble: function() {
1141       var out = [];
1142 
1143       if (!this.isChild) {
1144         var namespace = this.namespace;
1145         var copies = "helpers = helpers || " + namespace + ".helpers;";
1146         if(this.environment.usePartial) { copies = copies + " partials = partials || " + namespace + ".partials;"; }
1147         out.push(copies);
1148       } else {
1149         out.push('');
1150       }
1151 
1152       if (!this.environment.isSimple) {
1153         out.push(", buffer = " + this.initializeBuffer());
1154       } else {
1155         out.push("");
1156       }
1157 
1158       // track the last context pushed into place to allow skipping the
1159       // getContext opcode when it would be a noop
1160       this.lastContext = 0;
1161       this.source = out;
1162     },
1163 
1164     createFunctionContext: function(asObject) {
1165       var locals = this.stackVars;
1166       if (!this.isChild) {
1167         locals = locals.concat(this.context.registers.list);
1168       }
1169 
1170       if(locals.length > 0) {
1171         this.source[1] = this.source[1] + ", " + locals.join(", ");
1172       }
1173 
1174       // Generate minimizer alias mappings
1175       if (!this.isChild) {
1176         var aliases = []
1177         for (var alias in this.context.aliases) {
1178           this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias];
1179         }
1180       }
1181 
1182       if (this.source[1]) {
1183         this.source[1] = "var " + this.source[1].substring(2) + ";";
1184       }
1185 
1186       // Merge children
1187       if (!this.isChild) {
1188         this.source[1] += '\n' + this.context.programs.join('\n') + '\n';
1189       }
1190 
1191       if (!this.environment.isSimple) {
1192         this.source.push("return buffer;");
1193       }
1194 
1195       var params = this.isChild ? ["depth0", "data"] : ["Handlebars", "depth0", "helpers", "partials", "data"];
1196 
1197       for(var i=0, l=this.environment.depths.list.length; i<l; i++) {
1198         params.push("depth" + this.environment.depths.list[i]);
1199       }
1200 
1201       if (asObject) {
1202         params.push(this.source.join("\n  "));
1203 
1204         return Function.apply(this, params);
1205       } else {
1206         var functionSource = 'function ' + (this.name || '') + '(' + params.join(',') + ') {\n  ' + this.source.join("\n  ") + '}';
1207         Handlebars.log(Handlebars.logger.DEBUG, functionSource + "\n\n");
1208         return functionSource;
1209       }
1210     },
1211 
1212     appendContent: function(content) {
1213       this.source.push(this.appendToBuffer(this.quotedString(content)));
1214     },
1215 
1216     append: function() {
1217       var local = this.popStack();
1218       this.source.push("if(" + local + " || " + local + " === 0) { " + this.appendToBuffer(local) + " }");
1219       if (this.environment.isSimple) {
1220         this.source.push("else { " + this.appendToBuffer("''") + " }");
1221       }
1222     },
1223 
1224     appendEscaped: function() {
1225       var opcode = this.nextOpcode(1), extra = "";
1226       this.context.aliases.escapeExpression = 'this.escapeExpression';
1227 
1228       if(opcode[0] === 'appendContent') {
1229         extra = " + " + this.quotedString(opcode[1][0]);
1230         this.eat(opcode);
1231       }
1232 
1233       this.source.push(this.appendToBuffer("escapeExpression(" + this.popStack() + ")" + extra));
1234     },
1235 
1236     getContext: function(depth) {
1237       if(this.lastContext !== depth) {
1238         this.lastContext = depth;
1239       }
1240     },
1241 
1242     lookupWithHelpers: function(name, isScoped) {
1243       if(name) {
1244         var topStack = this.nextStack();
1245 
1246         this.usingKnownHelper = false;
1247 
1248         var toPush;
1249         if (!isScoped && this.options.knownHelpers[name]) {
1250           toPush = topStack + " = " + this.nameLookup('helpers', name, 'helper');
1251           this.usingKnownHelper = true;
1252         } else if (isScoped || this.options.knownHelpersOnly) {
1253           toPush = topStack + " = " + this.nameLookup('depth' + this.lastContext, name, 'context');
1254         } else {
1255           toPush =  topStack + " = "
1256               + this.nameLookup('helpers', name, 'helper')
1257               + " || "
1258               + this.nameLookup('depth' + this.lastContext, name, 'context');
1259         }
1260 
1261         toPush += ';';
1262         this.source.push(toPush);
1263       } else {
1264         this.pushStack('depth' + this.lastContext);
1265       }
1266     },
1267 
1268     lookup: function(name) {
1269       var topStack = this.topStack();
1270       this.source.push(topStack + " = (" + topStack + " === null || " + topStack + " === undefined || " + topStack + " === false ? " +
1271                 topStack + " : " + this.nameLookup(topStack, name, 'context') + ");");
1272     },
1273 
1274     pushStringParam: function(string) {
1275       this.pushStack('depth' + this.lastContext);
1276       this.pushString(string);
1277     },
1278 
1279     pushString: function(string) {
1280       this.pushStack(this.quotedString(string));
1281     },
1282 
1283     push: function(name) {
1284       this.pushStack(name);
1285     },
1286 
1287     invokeMustache: function(paramSize, original, hasHash) {
1288       this.populateParams(paramSize, this.quotedString(original), "{}", null, hasHash, function(nextStack, helperMissingString, id) {
1289         if (!this.usingKnownHelper) {
1290           this.context.aliases.helperMissing = 'helpers.helperMissing';
1291           this.context.aliases.undef = 'void 0';
1292           this.source.push("else if(" + id + "=== undef) { " + nextStack + " = helperMissing.call(" + helperMissingString + "); }");
1293           if (nextStack !== id) {
1294             this.source.push("else { " + nextStack + " = " + id + "; }");
1295           }
1296         }
1297       });
1298     },
1299 
1300     invokeProgram: function(guid, paramSize, hasHash) {
1301       var inverse = this.programExpression(this.inverse);
1302       var mainProgram = this.programExpression(guid);
1303 
1304       this.populateParams(paramSize, null, mainProgram, inverse, hasHash, function(nextStack, helperMissingString, id) {
1305         if (!this.usingKnownHelper) {
1306           this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing';
1307           this.source.push("else { " + nextStack + " = blockHelperMissing.call(" + helperMissingString + "); }");
1308         }
1309       });
1310     },
1311 
1312     populateParams: function(paramSize, helperId, program, inverse, hasHash, fn) {
1313       var needsRegister = hasHash || this.options.stringParams || inverse || this.options.data;
1314       var id = this.popStack(), nextStack;
1315       var params = [], param, stringParam, stringOptions;
1316 
1317       if (needsRegister) {
1318         this.register('tmp1', program);
1319         stringOptions = 'tmp1';
1320       } else {
1321         stringOptions = '{ hash: {} }';
1322       }
1323 
1324       if (needsRegister) {
1325         var hash = (hasHash ? this.popStack() : '{}');
1326         this.source.push('tmp1.hash = ' + hash + ';');
1327       }
1328 
1329       if(this.options.stringParams) {
1330         this.source.push('tmp1.contexts = [];');
1331       }
1332 
1333       for(var i=0; i<paramSize; i++) {
1334         param = this.popStack();
1335         params.push(param);
1336 
1337         if(this.options.stringParams) {
1338           this.source.push('tmp1.contexts.push(' + this.popStack() + ');');
1339         }
1340       }
1341 
1342       if(inverse) {
1343         this.source.push('tmp1.fn = tmp1;');
1344         this.source.push('tmp1.inverse = ' + inverse + ';');
1345       }
1346 
1347       if(this.options.data) {
1348         this.source.push('tmp1.data = data;');
1349       }
1350 
1351       params.push(stringOptions);
1352 
1353       this.populateCall(params, id, helperId || id, fn);
1354     },
1355 
1356     populateCall: function(params, id, helperId, fn) {
1357       var paramString = ["depth0"].concat(params).join(", ");
1358       var helperMissingString = ["depth0"].concat(helperId).concat(params).join(", ");
1359 
1360       var nextStack = this.nextStack();
1361 
1362       if (this.usingKnownHelper) {
1363         this.source.push(nextStack + " = " + id + ".call(" + paramString + ");");
1364       } else {
1365         this.context.aliases.functionType = '"function"';
1366         this.source.push("if(typeof " + id + " === functionType) { " + nextStack + " = " + id + ".call(" + paramString + "); }");
1367       }
1368       fn.call(this, nextStack, helperMissingString, id);
1369       this.usingKnownHelper = false;
1370     },
1371 
1372     invokePartial: function(context) {
1373       this.pushStack("self.invokePartial(" + this.nameLookup('partials', context, 'partial') + ", '" + context + "', " + this.popStack() + ", helpers, partials);");
1374     },
1375 
1376     assignToHash: function(key) {
1377       var value = this.popStack();
1378       var hash = this.topStack();
1379 
1380       this.source.push(hash + "['" + key + "'] = " + value + ";");
1381     },
1382 
1383     // HELPERS
1384 
1385     compiler: JavaScriptCompiler,
1386 
1387     compileChildren: function(environment, options) {
1388       var children = environment.children, child, compiler;
1389 
1390       for(var i=0, l=children.length; i<l; i++) {
1391         child = children[i];
1392         compiler = new this.compiler();
1393 
1394         this.context.programs.push('');     // Placeholder to prevent name conflicts for nested children
1395         var index = this.context.programs.length;
1396         child.index = index;
1397         child.name = 'program' + index;
1398         this.context.programs[index] = compiler.compile(child, options, this.context);
1399       }
1400     },
1401 
1402     programExpression: function(guid) {
1403       if(guid == null) { return "self.noop"; }
1404 
1405       var child = this.environment.children[guid],
1406           depths = child.depths.list;
1407       var programParams = [child.index, child.name, "data"];
1408 
1409       for(var i=0, l = depths.length; i<l; i++) {
1410         depth = depths[i];
1411 
1412         if(depth === 1) { programParams.push("depth0"); }
1413         else { programParams.push("depth" + (depth - 1)); }
1414       }
1415 
1416       if(depths.length === 0) {
1417         return "self.program(" + programParams.join(", ") + ")";
1418       } else {
1419         programParams.shift();
1420         return "self.programWithDepth(" + programParams.join(", ") + ")";
1421       }
1422     },
1423 
1424     register: function(name, val) {
1425       this.useRegister(name);
1426       this.source.push(name + " = " + val + ";");
1427     },
1428 
1429     useRegister: function(name) {
1430       if(!this.context.registers[name]) {
1431         this.context.registers[name] = true;
1432         this.context.registers.list.push(name);
1433       }
1434     },
1435 
1436     pushStack: function(item) {
1437       this.source.push(this.nextStack() + " = " + item + ";");
1438       return "stack" + this.stackSlot;
1439     },
1440 
1441     nextStack: function() {
1442       this.stackSlot++;
1443       if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); }
1444       return "stack" + this.stackSlot;
1445     },
1446 
1447     popStack: function() {
1448       return "stack" + this.stackSlot--;
1449     },
1450 
1451     topStack: function() {
1452       return "stack" + this.stackSlot;
1453     },
1454 
1455     quotedString: function(str) {
1456       return '"' + str
1457         .replace(/\\/g, '\\\\')
1458         .replace(/"/g, '\\"')
1459         .replace(/\n/g, '\\n')
1460         .replace(/\r/g, '\\r') + '"';
1461     }
1462   };
1463 
1464   var reservedWords = ("break case catch continue default delete do else finally " +
1465                        "for function if in instanceof new return switch this throw " +
1466                        "try typeof var void while with null true false").split(" ");
1467 
1468   var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {};
1469 
1470   for(var i=0, l=reservedWords.length; i<l; i++) {
1471     compilerWords[reservedWords[i]] = true;
1472   }
1473 
1474     JavaScriptCompiler.isValidJavaScriptVariableName = function(name) {
1475         if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) {
1476             return true;
1477         }
1478         return false;
1479     }
1480 
1481 })(Handlebars.Compiler, Handlebars.JavaScriptCompiler);
1482 
1483 Handlebars.precompile = function(string, options) {
1484   options = options || {};
1485 
1486   var ast = Handlebars.parse(string);
1487   var environment = new Handlebars.Compiler().compile(ast, options);
1488   return new Handlebars.JavaScriptCompiler().compile(environment, options);
1489 };
1490 
1491 Handlebars.compile = function(string, options) {
1492   options = options || {};
1493 
1494   var compiled;
1495   function compile() {
1496     var ast = Handlebars.parse(string);
1497     var environment = new Handlebars.Compiler().compile(ast, options);
1498     var templateSpec = new Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true);
1499     return Handlebars.template(templateSpec);
1500   }
1501 
1502   // Template is only compiled on first use and cached after that point.
1503   return function(context, options) {
1504     if (!compiled) {
1505       compiled = compile();
1506     }
1507     return compiled.call(this, context, options);
1508   };
1509 };
1510 ;
1511 // lib/handlebars/vm.js
1512 Handlebars.VM = {
1513   template: function(templateSpec) {
1514     // Just add water
1515     var container = {
1516       escapeExpression: Handlebars.Utils.escapeExpression,
1517       invokePartial: Handlebars.VM.invokePartial,
1518       programs: [],
1519       program: function(i, fn, data) {
1520         var programWrapper = this.programs[i];
1521         if(data) {
1522           return Handlebars.VM.program(fn, data);
1523         } else if(programWrapper) {
1524           return programWrapper;
1525         } else {
1526           programWrapper = this.programs[i] = Handlebars.VM.program(fn);
1527           return programWrapper;
1528         }
1529       },
1530       programWithDepth: Handlebars.VM.programWithDepth,
1531       noop: Handlebars.VM.noop
1532     };
1533 
1534     return function(context, options) {
1535       options = options || {};
1536       return templateSpec.call(container, Handlebars, context, options.helpers, options.partials, options.data);
1537     };
1538   },
1539 
1540   programWithDepth: function(fn, data, $depth) {
1541     var args = Array.prototype.slice.call(arguments, 2);
1542 
1543     return function(context, options) {
1544       options = options || {};
1545 
1546       return fn.apply(this, [context, options.data || data].concat(args));
1547     };
1548   },
1549   program: function(fn, data) {
1550     return function(context, options) {
1551       options = options || {};
1552 
1553       return fn(context, options.data || data);
1554     };
1555   },
1556   noop: function() { return ""; },
1557   invokePartial: function(partial, name, context, helpers, partials) {
1558     if(partial === undefined) {
1559       throw new Handlebars.Exception("The partial " + name + " could not be found");
1560     } else if(partial instanceof Function) {
1561       return partial(context, {helpers: helpers, partials: partials});
1562     } else if (!Handlebars.compile) {
1563       throw new Handlebars.Exception("The partial " + name + " could not be compiled when running in vm mode");
1564     } else {
1565       partials[name] = Handlebars.compile(partial);
1566       return partials[name](context, {helpers: helpers, partials: partials});
1567     }
1568   }
1569 };
1570 
1571 Handlebars.template = Handlebars.VM.template;
1572 ;
1573