1 // lib/handlebars/base.js
6 (function(Handlebars) {
8 Handlebars.VERSION = "1.0.rc.1";
10 Handlebars.helpers = {};
11 Handlebars.partials = {};
13 Handlebars.registerHelper = function(name, fn, inverse) {
14 if(inverse) { fn.not = inverse; }
15 this.helpers[name] = fn;
18 Handlebars.registerPartial = function(name, str) {
19 this.partials[name] = str;
22 Handlebars.registerHelper('helperMissing', function(arg) {
23 if(arguments.length === 2) {
26 throw new Error("Could not find property '" + arg + "'");
30 var toString = Object.prototype.toString, functionType = "[object Function]";
32 Handlebars.registerHelper('blockHelperMissing', function(context, options) {
33 var inverse = options.inverse || function() {}, fn = options.fn;
37 var type = toString.call(context);
39 if(type === functionType) { context = context.call(this); }
41 if(context === true) {
43 } else if(context === false || context == null) {
45 } else if(type === "[object Array]") {
46 if(context.length > 0) {
47 return Handlebars.helpers.each(context, options);
56 Handlebars.K = function() {};
58 Handlebars.createFrame = Object.create || function(object) {
59 Handlebars.K.prototype = object;
60 var obj = new Handlebars.K();
61 Handlebars.K.prototype = null;
65 Handlebars.registerHelper('each', function(context, options) {
66 var fn = options.fn, inverse = options.inverse;
70 data = Handlebars.createFrame(options.data);
73 if(context && context.length > 0) {
74 for(var i=0, j=context.length; i<j; i++) {
75 if (data) { data.index = i; }
76 ret = ret + fn(context[i], { data: data });
84 Handlebars.registerHelper('if', function(context, options) {
85 var type = toString.call(context);
86 if(type === functionType) { context = context.call(this); }
88 if(!context || Handlebars.Utils.isEmpty(context)) {
89 return options.inverse(this);
91 return options.fn(this);
95 Handlebars.registerHelper('unless', function(context, options) {
96 var fn = options.fn, inverse = options.inverse;
100 return Handlebars.helpers['if'].call(this, context, options);
103 Handlebars.registerHelper('with', function(context, options) {
104 return options.fn(context);
107 Handlebars.registerHelper('log', function(context) {
108 Handlebars.log(context);
113 // lib/handlebars/compiler/parser.js
114 /* Jison generated parser */
115 var handlebars = (function(){
116 var parser = {trace: function trace() { },
118 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,"DATA":27,"param":28,"STRING":29,"INTEGER":30,"BOOLEAN":31,"hashSegments":32,"hashSegment":33,"ID":34,"EQUALS":35,"pathSegments":36,"SEP":37,"$accept":0,"$end":1},
119 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",27:"DATA",29:"STRING",30:"INTEGER",31:"BOOLEAN",34:"ID",35:"EQUALS",37:"SEP"},
120 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],[17,1],[25,2],[25,1],[28,1],[28,1],[28,1],[28,1],[28,1],[26,1],[32,2],[32,1],[33,3],[33,3],[33,3],[33,3],[33,3],[21,1],[36,3],[36,1]],
121 performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {
123 var $0 = $$.length - 1;
125 case 1: return $$[$0-1];
127 case 2: this.$ = new yy.ProgramNode($$[$0-2], $$[$0]);
129 case 3: this.$ = new yy.ProgramNode($$[$0]);
131 case 4: this.$ = new yy.ProgramNode([]);
133 case 5: this.$ = [$$[$0]];
135 case 6: $$[$0-1].push($$[$0]); this.$ = $$[$0-1];
137 case 7: this.$ = new yy.BlockNode($$[$0-2], $$[$0-1].inverse, $$[$0-1], $$[$0]);
139 case 8: this.$ = new yy.BlockNode($$[$0-2], $$[$0-1], $$[$0-1].inverse, $$[$0]);
141 case 9: this.$ = $$[$0];
143 case 10: this.$ = $$[$0];
145 case 11: this.$ = new yy.ContentNode($$[$0]);
147 case 12: this.$ = new yy.CommentNode($$[$0]);
149 case 13: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1]);
151 case 14: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1]);
153 case 15: this.$ = $$[$0-1];
155 case 16: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1]);
157 case 17: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], true);
159 case 18: this.$ = new yy.PartialNode($$[$0-1]);
161 case 19: this.$ = new yy.PartialNode($$[$0-2], $$[$0-1]);
165 case 21: this.$ = [[$$[$0-2]].concat($$[$0-1]), $$[$0]];
167 case 22: this.$ = [[$$[$0-1]].concat($$[$0]), null];
169 case 23: this.$ = [[$$[$0-1]], $$[$0]];
171 case 24: this.$ = [[$$[$0]], null];
173 case 25: this.$ = [[new yy.DataNode($$[$0])], null];
175 case 26: $$[$0-1].push($$[$0]); this.$ = $$[$0-1];
177 case 27: this.$ = [$$[$0]];
179 case 28: this.$ = $$[$0];
181 case 29: this.$ = new yy.StringNode($$[$0]);
183 case 30: this.$ = new yy.IntegerNode($$[$0]);
185 case 31: this.$ = new yy.BooleanNode($$[$0]);
187 case 32: this.$ = new yy.DataNode($$[$0]);
189 case 33: this.$ = new yy.HashNode($$[$0]);
191 case 34: $$[$0-1].push($$[$0]); this.$ = $$[$0-1];
193 case 35: this.$ = [$$[$0]];
195 case 36: this.$ = [$$[$0-2], $$[$0]];
197 case 37: this.$ = [$$[$0-2], new yy.StringNode($$[$0])];
199 case 38: this.$ = [$$[$0-2], new yy.IntegerNode($$[$0])];
201 case 39: this.$ = [$$[$0-2], new yy.BooleanNode($$[$0])];
203 case 40: this.$ = [$$[$0-2], new yy.DataNode($$[$0])];
205 case 41: this.$ = new yy.IdNode($$[$0]);
207 case 42: $$[$0-2].push($$[$0]); this.$ = $$[$0-2];
209 case 43: this.$ = [$$[$0]];
213 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]},{17:22,21:23,27:[1,24],34:[1,26],36:25},{17:27,21:23,27:[1,24],34:[1,26],36:25},{17:28,21:23,27:[1,24],34:[1,26],36:25},{17:29,21:23,27:[1,24],34:[1,26],36:25},{21:30,34:[1,26],36:25},{1:[2,1]},{6:31,8:4,9:5,11:6,12:7,13:8,14:[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:[1,32],21:23,27:[1,24],34:[1,26],36:25},{10:33,20:[1,34]},{10:35,20:[1,34]},{18:[1,36]},{18:[2,24],21:41,25:37,26:38,27:[1,45],28:39,29:[1,42],30:[1,43],31:[1,44],32:40,33:46,34:[1,47],36:25},{18:[2,25]},{18:[2,41],27:[2,41],29:[2,41],30:[2,41],31:[2,41],34:[2,41],37:[1,48]},{18:[2,43],27:[2,43],29:[2,43],30:[2,43],31:[2,43],34:[2,43],37:[2,43]},{18:[1,49]},{18:[1,50]},{18:[1,51]},{18:[1,52],21:53,34:[1,26],36:25},{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]},{21:54,34:[1,26],36:25},{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],21:41,26:55,27:[1,45],28:56,29:[1,42],30:[1,43],31:[1,44],32:40,33:46,34:[1,47],36:25},{18:[2,23]},{18:[2,27],27:[2,27],29:[2,27],30:[2,27],31:[2,27],34:[2,27]},{18:[2,33],33:57,34:[1,58]},{18:[2,28],27:[2,28],29:[2,28],30:[2,28],31:[2,28],34:[2,28]},{18:[2,29],27:[2,29],29:[2,29],30:[2,29],31:[2,29],34:[2,29]},{18:[2,30],27:[2,30],29:[2,30],30:[2,30],31:[2,30],34:[2,30]},{18:[2,31],27:[2,31],29:[2,31],30:[2,31],31:[2,31],34:[2,31]},{18:[2,32],27:[2,32],29:[2,32],30:[2,32],31:[2,32],34:[2,32]},{18:[2,35],34:[2,35]},{18:[2,43],27:[2,43],29:[2,43],30:[2,43],31:[2,43],34:[2,43],35:[1,59],37:[2,43]},{34:[1,60]},{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:[1,61]},{18:[1,62]},{18:[2,21]},{18:[2,26],27:[2,26],29:[2,26],30:[2,26],31:[2,26],34:[2,26]},{18:[2,34],34:[2,34]},{35:[1,59]},{21:63,27:[1,67],29:[1,64],30:[1,65],31:[1,66],34:[1,26],36:25},{18:[2,42],27:[2,42],29:[2,42],30:[2,42],31:[2,42],34:[2,42],37:[2,42]},{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:[2,36],34:[2,36]},{18:[2,37],34:[2,37]},{18:[2,38],34:[2,38]},{18:[2,39],34:[2,39]},{18:[2,40],34:[2,40]}],
214 defaultActions: {16:[2,1],24:[2,25],38:[2,23],55:[2,21]},
215 parseError: function parseError(str, hash) {
216 throw new Error(str);
218 parse: function parse(input) {
219 var self = this, stack = [0], vstack = [null], lstack = [], table = this.table, yytext = "", yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
220 this.lexer.setInput(input);
221 this.lexer.yy = this.yy;
222 this.yy.lexer = this.lexer;
223 this.yy.parser = this;
224 if (typeof this.lexer.yylloc == "undefined")
225 this.lexer.yylloc = {};
226 var yyloc = this.lexer.yylloc;
228 var ranges = this.lexer.options && this.lexer.options.ranges;
229 if (typeof this.yy.parseError === "function")
230 this.parseError = this.yy.parseError;
231 function popStack(n) {
232 stack.length = stack.length - 2 * n;
233 vstack.length = vstack.length - n;
234 lstack.length = lstack.length - n;
238 token = self.lexer.lex() || 1;
239 if (typeof token !== "number") {
240 token = self.symbols_[token] || token;
244 var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
246 state = stack[stack.length - 1];
247 if (this.defaultActions[state]) {
248 action = this.defaultActions[state];
250 if (symbol === null || typeof symbol == "undefined") {
253 action = table[state] && table[state][symbol];
255 if (typeof action === "undefined" || !action.length || !action[0]) {
259 for (p in table[state])
260 if (this.terminals_[p] && p > 2) {
261 expected.push("'" + this.terminals_[p] + "'");
263 if (this.lexer.showPosition) {
264 errStr = "Parse error on line " + (yylineno + 1) + ":\n" + this.lexer.showPosition() + "\nExpecting " + expected.join(", ") + ", got '" + (this.terminals_[symbol] || symbol) + "'";
266 errStr = "Parse error on line " + (yylineno + 1) + ": Unexpected " + (symbol == 1?"end of input":"'" + (this.terminals_[symbol] || symbol) + "'");
268 this.parseError(errStr, {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
271 if (action[0] instanceof Array && action.length > 1) {
272 throw new Error("Parse Error: multiple actions possible at state: " + state + ", token: " + symbol);
277 vstack.push(this.lexer.yytext);
278 lstack.push(this.lexer.yylloc);
279 stack.push(action[1]);
281 if (!preErrorSymbol) {
282 yyleng = this.lexer.yyleng;
283 yytext = this.lexer.yytext;
284 yylineno = this.lexer.yylineno;
285 yyloc = this.lexer.yylloc;
289 symbol = preErrorSymbol;
290 preErrorSymbol = null;
294 len = this.productions_[action[1]][1];
295 yyval.$ = vstack[vstack.length - len];
296 yyval._$ = {first_line: lstack[lstack.length - (len || 1)].first_line, last_line: lstack[lstack.length - 1].last_line, first_column: lstack[lstack.length - (len || 1)].first_column, last_column: lstack[lstack.length - 1].last_column};
298 yyval._$.range = [lstack[lstack.length - (len || 1)].range[0], lstack[lstack.length - 1].range[1]];
300 r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);
301 if (typeof r !== "undefined") {
305 stack = stack.slice(0, -1 * len * 2);
306 vstack = vstack.slice(0, -1 * len);
307 lstack = lstack.slice(0, -1 * len);
309 stack.push(this.productions_[action[1]][0]);
310 vstack.push(yyval.$);
311 lstack.push(yyval._$);
312 newState = table[stack[stack.length - 2]][stack[stack.length - 1]];
313 stack.push(newState);
322 /* Jison generated lexer */
323 var lexer = (function(){
325 parseError:function parseError(str, hash) {
326 if (this.yy.parser) {
327 this.yy.parser.parseError(str, hash);
329 throw new Error(str);
332 setInput:function (input) {
334 this._more = this._less = this.done = false;
335 this.yylineno = this.yyleng = 0;
336 this.yytext = this.matched = this.match = '';
337 this.conditionStack = ['INITIAL'];
338 this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
339 if (this.options.ranges) this.yylloc.range = [0,0];
344 var ch = this._input[0];
350 var lines = ch.match(/(?:\r\n?|\n).*/g);
353 this.yylloc.last_line++;
355 this.yylloc.last_column++;
357 if (this.options.ranges) this.yylloc.range[1]++;
359 this._input = this._input.slice(1);
362 unput:function (ch) {
364 var lines = ch.split(/(?:\r\n?|\n)/g);
366 this._input = ch + this._input;
367 this.yytext = this.yytext.substr(0, this.yytext.length-len-1);
368 //this.yyleng -= len;
370 var oldLines = this.match.split(/(?:\r\n?|\n)/g);
371 this.match = this.match.substr(0, this.match.length-1);
372 this.matched = this.matched.substr(0, this.matched.length-1);
374 if (lines.length-1) this.yylineno -= lines.length-1;
375 var r = this.yylloc.range;
377 this.yylloc = {first_line: this.yylloc.first_line,
378 last_line: this.yylineno+1,
379 first_column: this.yylloc.first_column,
381 (lines.length === oldLines.length ? this.yylloc.first_column : 0) + oldLines[oldLines.length - lines.length].length - lines[0].length:
382 this.yylloc.first_column - len
385 if (this.options.ranges) {
386 this.yylloc.range = [r[0], r[0] + this.yyleng - len];
395 this.unput(this.match.slice(n));
397 pastInput:function () {
398 var past = this.matched.substr(0, this.matched.length - this.match.length);
399 return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
401 upcomingInput:function () {
402 var next = this.match;
403 if (next.length < 20) {
404 next += this._input.substr(0, 20-next.length);
406 return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
408 showPosition:function () {
409 var pre = this.pastInput();
410 var c = new Array(pre.length + 1).join("-");
411 return pre + this.upcomingInput() + "\n" + c+"^";
417 if (!this._input) this.done = true;
429 var rules = this._currentRules();
430 for (var i=0;i < rules.length; i++) {
431 tempMatch = this._input.match(this.rules[rules[i]]);
432 if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
435 if (!this.options.flex) break;
439 lines = match[0].match(/(?:\r\n?|\n).*/g);
440 if (lines) this.yylineno += lines.length;
441 this.yylloc = {first_line: this.yylloc.last_line,
442 last_line: this.yylineno+1,
443 first_column: this.yylloc.last_column,
444 last_column: lines ? lines[lines.length-1].length-lines[lines.length-1].match(/\r?\n?/)[0].length : this.yylloc.last_column + match[0].length};
445 this.yytext += match[0];
446 this.match += match[0];
447 this.matches = match;
448 this.yyleng = this.yytext.length;
449 if (this.options.ranges) {
450 this.yylloc.range = [this.offset, this.offset += this.yyleng];
453 this._input = this._input.slice(match[0].length);
454 this.matched += match[0];
455 token = this.performAction.call(this, this.yy, this, rules[index],this.conditionStack[this.conditionStack.length-1]);
456 if (this.done && this._input) this.done = false;
457 if (token) return token;
460 if (this._input === "") {
463 return this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
464 {text: "", token: null, line: this.yylineno});
469 if (typeof r !== 'undefined') {
475 begin:function begin(condition) {
476 this.conditionStack.push(condition);
478 popState:function popState() {
479 return this.conditionStack.pop();
481 _currentRules:function _currentRules() {
482 return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
484 topState:function () {
485 return this.conditionStack[this.conditionStack.length-2];
487 pushState:function begin(condition) {
488 this.begin(condition);
491 lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {
494 switch($avoiding_name_collisions) {
496 if(yy_.yytext.slice(-1) !== "\\") this.begin("mu");
497 if(yy_.yytext.slice(-1) === "\\") yy_.yytext = yy_.yytext.substr(0,yy_.yyleng-1), this.begin("emu");
498 if(yy_.yytext) return 14;
504 if(yy_.yytext.slice(-1) !== "\\") this.popState();
505 if(yy_.yytext.slice(-1) === "\\") yy_.yytext = yy_.yytext.substr(0,yy_.yyleng-1);
523 case 10: yy_.yytext = yy_.yytext.substr(3,yy_.yyleng-5); this.popState(); return 15;
535 case 16: /*ignore whitespace*/
537 case 17: this.popState(); return 18;
539 case 18: this.popState(); return 18;
541 case 19: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\"/g,'"'); return 29;
543 case 20: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\"/g,'"'); return 29;
545 case 21: yy_.yytext = yy_.yytext.substr(1); return 27;
555 case 26: yy_.yytext = yy_.yytext.substr(1, yy_.yyleng-2); return 34;
557 case 27: return 'INVALID';
563 lexer.rules = [/^(?:[^\x00]*?(?=(\{\{)))/,/^(?:[^\x00]+)/,/^(?:[^\x00]{2,}?(?=(\{\{|$)))/,/^(?:\{\{>)/,/^(?:\{\{#)/,/^(?:\{\{\/)/,/^(?:\{\{\^)/,/^(?:\{\{\s*else\b)/,/^(?:\{\{\{)/,/^(?:\{\{&)/,/^(?:\{\{![\s\S]*?\}\})/,/^(?:\{\{)/,/^(?:=)/,/^(?:\.(?=[} ]))/,/^(?:\.\.)/,/^(?:[\/.])/,/^(?:\s+)/,/^(?:\}\}\})/,/^(?:\}\})/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:@[a-zA-Z]+)/,/^(?:true(?=[}\s]))/,/^(?:false(?=[}\s]))/,/^(?:[0-9]+(?=[}\s]))/,/^(?:[a-zA-Z0-9_$-]+(?=[=}\s\/.]))/,/^(?:\[[^\]]*\])/,/^(?:.)/,/^(?:$)/];
564 lexer.conditions = {"mu":{"rules":[3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28],"inclusive":false},"emu":{"rules":[2],"inclusive":false},"INITIAL":{"rules":[0,1,28],"inclusive":true}};
566 parser.lexer = lexer;
567 function Parser () { this.yy = {}; }Parser.prototype = parser;parser.Parser = Parser;
570 if (typeof require !== 'undefined' && typeof exports !== 'undefined') {
571 exports.parser = handlebars;
572 exports.Parser = handlebars.Parser;
573 exports.parse = function () { return handlebars.parse.apply(handlebars, arguments); }
574 exports.main = function commonjsMain(args) {
576 throw new Error('Usage: '+args[0]+' FILE');
578 if (typeof process !== 'undefined') {
579 source = require('fs').readFileSync(require('path').resolve(args[1]), "utf8");
581 source = require("file").path(require("file").cwd()).join(args[1]).read({charset: "utf-8"});
583 return exports.parser.parse(source);
585 if (typeof module !== 'undefined' && require.main === module) {
586 exports.main(typeof process !== 'undefined' ? process.argv.slice(1) : require("system").args);
590 // lib/handlebars/compiler/base.js
591 Handlebars.Parser = handlebars;
593 Handlebars.parse = function(string) {
594 Handlebars.Parser.yy = Handlebars.AST;
595 return Handlebars.Parser.parse(string);
598 Handlebars.print = function(ast) {
599 return new Handlebars.PrintVisitor().accept(ast);
602 Handlebars.logger = {
603 DEBUG: 0, INFO: 1, WARN: 2, ERROR: 3, level: 3,
605 // override in the host environment
606 log: function(level, str) {}
609 Handlebars.log = function(level, str) { Handlebars.logger.log(level, str); };
611 // lib/handlebars/compiler/ast.js
616 Handlebars.AST.ProgramNode = function(statements, inverse) {
617 this.type = "program";
618 this.statements = statements;
619 if(inverse) { this.inverse = new Handlebars.AST.ProgramNode(inverse); }
622 Handlebars.AST.MustacheNode = function(rawParams, hash, unescaped) {
623 this.type = "mustache";
624 this.escaped = !unescaped;
627 var id = this.id = rawParams[0];
628 var params = this.params = rawParams.slice(1);
630 // a mustache is an eligible helper if:
631 // * its id is simple (a single part, not `this` or `..`)
632 var eligibleHelper = this.eligibleHelper = id.isSimple;
634 // a mustache is definitely a helper if:
635 // * it is an eligible helper, and
636 // * it has at least one parameter or hash segment
637 this.isHelper = eligibleHelper && (params.length || hash);
639 // if a mustache is an eligible helper but not a definite
640 // helper, it is ambiguous, and will be resolved in a later
641 // pass or at runtime.
644 Handlebars.AST.PartialNode = function(id, context) {
645 this.type = "partial";
647 // TODO: disallow complex IDs
650 this.context = context;
653 var verifyMatch = function(open, close) {
654 if(open.original !== close.original) {
655 throw new Handlebars.Exception(open.original + " doesn't match " + close.original);
659 Handlebars.AST.BlockNode = function(mustache, program, inverse, close) {
660 verifyMatch(mustache.id, close);
662 this.mustache = mustache;
663 this.program = program;
664 this.inverse = inverse;
666 if (this.inverse && !this.program) {
667 this.isInverse = true;
671 Handlebars.AST.ContentNode = function(string) {
672 this.type = "content";
673 this.string = string;
676 Handlebars.AST.HashNode = function(pairs) {
681 Handlebars.AST.IdNode = function(parts) {
683 this.original = parts.join(".");
685 var dig = [], depth = 0;
687 for(var i=0,l=parts.length; i<l; i++) {
690 if(part === "..") { depth++; }
691 else if(part === "." || part === "this") { this.isScoped = true; }
692 else { dig.push(part); }
696 this.string = dig.join('.');
699 // an ID is simple if it only has one part, and that part is not
701 this.isSimple = parts.length === 1 && !this.isScoped && depth === 0;
704 Handlebars.AST.DataNode = function(id) {
709 Handlebars.AST.StringNode = function(string) {
710 this.type = "STRING";
711 this.string = string;
714 Handlebars.AST.IntegerNode = function(integer) {
715 this.type = "INTEGER";
716 this.integer = integer;
719 Handlebars.AST.BooleanNode = function(bool) {
720 this.type = "BOOLEAN";
724 Handlebars.AST.CommentNode = function(comment) {
725 this.type = "comment";
726 this.comment = comment;
730 // lib/handlebars/utils.js
731 Handlebars.Exception = function(message) {
732 var tmp = Error.prototype.constructor.apply(this, arguments);
735 if (tmp.hasOwnProperty(p)) { this[p] = tmp[p]; }
738 this.message = tmp.message;
740 Handlebars.Exception.prototype = new Error();
742 // Build out our basic SafeString type
743 Handlebars.SafeString = function(string) {
744 this.string = string;
746 Handlebars.SafeString.prototype.toString = function() {
747 return this.string.toString();
760 var badChars = /[&<>"'`]/g;
761 var possible = /[&<>"'`]/;
763 var escapeChar = function(chr) {
764 return escape[chr] || "&";
768 escapeExpression: function(string) {
769 // don't escape SafeStrings, since they're already safe
770 if (string instanceof Handlebars.SafeString) {
771 return string.toString();
772 } else if (string == null || string === false) {
776 if(!possible.test(string)) { return string; }
777 return string.replace(badChars, escapeChar);
780 isEmpty: function(value) {
781 if (typeof value === "undefined") {
783 } else if (value === null) {
785 } else if (value === false) {
787 } else if(Object.prototype.toString.call(value) === "[object Array]" && value.length === 0) {
795 // lib/handlebars/compiler/compiler.js
797 /*jshint eqnull:true*/
798 Handlebars.Compiler = function() {};
799 Handlebars.JavaScriptCompiler = function() {};
801 (function(Compiler, JavaScriptCompiler) {
802 // the foundHelper register will disambiguate helper lookup from finding a
803 // function in a context. This is necessary for mustache compatibility, which
804 // requires that context functions in blocks are evaluated by blockHelperMissing,
805 // and then proceed as if the resulting value was provided to blockHelperMissing.
807 Compiler.prototype = {
810 disassemble: function() {
811 var opcodes = this.opcodes, opcode, out = [], params, param;
813 for (var i=0, l=opcodes.length; i<l; i++) {
816 if (opcode.opcode === 'DECLARE') {
817 out.push("DECLARE " + opcode.name + "=" + opcode.value);
820 for (var j=0; j<opcode.args.length; j++) {
821 param = opcode.args[j];
822 if (typeof param === "string") {
823 param = "\"" + param.replace("\n", "\\n") + "\"";
827 out.push(opcode.opcode + " " + params.join(" "));
831 return out.join("\n");
836 compile: function(program, options) {
838 this.depths = {list: []};
839 this.options = options;
841 // These changes will propagate to the other compiler components
842 var knownHelpers = this.options.knownHelpers;
843 this.options.knownHelpers = {
844 'helperMissing': true,
845 'blockHelperMissing': true,
853 for (var name in knownHelpers) {
854 this.options.knownHelpers[name] = knownHelpers[name];
858 return this.program(program);
861 accept: function(node) {
862 return this[node.type](node);
865 program: function(program) {
866 var statements = program.statements, statement;
869 for(var i=0, l=statements.length; i<l; i++) {
870 statement = statements[i];
871 this[statement.type](statement);
873 this.isSimple = l === 1;
875 this.depths.list = this.depths.list.sort(function(a, b) {
882 compileProgram: function(program) {
883 var result = new this.compiler().compile(program, this.options);
884 var guid = this.guid++, depth;
886 this.usePartial = this.usePartial || result.usePartial;
888 this.children[guid] = result;
890 for(var i=0, l=result.depths.list.length; i<l; i++) {
891 depth = result.depths.list[i];
893 if(depth < 2) { continue; }
894 else { this.addDepth(depth - 1); }
900 block: function(block) {
901 var mustache = block.mustache,
902 program = block.program,
903 inverse = block.inverse;
906 program = this.compileProgram(program);
910 inverse = this.compileProgram(inverse);
913 var type = this.classifyMustache(mustache);
915 if (type === "helper") {
916 this.helperMustache(mustache, program, inverse);
917 } else if (type === "simple") {
918 this.simpleMustache(mustache);
920 // now that the simple mustache is resolved, we need to
921 // evaluate it by executing `blockHelperMissing`
922 this.opcode('pushProgram', program);
923 this.opcode('pushProgram', inverse);
924 this.opcode('pushLiteral', '{}');
925 this.opcode('blockValue');
927 this.ambiguousMustache(mustache, program, inverse);
929 // now that the simple mustache is resolved, we need to
930 // evaluate it by executing `blockHelperMissing`
931 this.opcode('pushProgram', program);
932 this.opcode('pushProgram', inverse);
933 this.opcode('pushLiteral', '{}');
934 this.opcode('ambiguousBlockValue');
937 this.opcode('append');
940 hash: function(hash) {
941 var pairs = hash.pairs, pair, val;
943 this.opcode('push', '{}');
945 for(var i=0, l=pairs.length; i<l; i++) {
950 this.opcode('assignToHash', pair[0]);
954 partial: function(partial) {
956 this.usePartial = true;
958 if(partial.context) {
959 this.ID(partial.context);
961 this.opcode('push', 'depth0');
964 this.opcode('invokePartial', id.original);
965 this.opcode('append');
968 content: function(content) {
969 this.opcode('appendContent', content.string);
972 mustache: function(mustache) {
973 var options = this.options;
974 var type = this.classifyMustache(mustache);
976 if (type === "simple") {
977 this.simpleMustache(mustache);
978 } else if (type === "helper") {
979 this.helperMustache(mustache);
981 this.ambiguousMustache(mustache);
984 if(mustache.escaped && !options.noEscape) {
985 this.opcode('appendEscaped');
987 this.opcode('append');
991 ambiguousMustache: function(mustache, program, inverse) {
992 var id = mustache.id, name = id.parts[0];
994 this.opcode('getContext', id.depth);
996 this.opcode('pushProgram', program);
997 this.opcode('pushProgram', inverse);
999 this.opcode('invokeAmbiguous', name);
1002 simpleMustache: function(mustache, program, inverse) {
1003 var id = mustache.id;
1005 if (id.type === 'DATA') {
1007 } else if (id.parts.length) {
1010 // Simplified ID for `this`
1011 this.addDepth(id.depth);
1012 this.opcode('getContext', id.depth);
1013 this.opcode('pushContext');
1016 this.opcode('resolvePossibleLambda');
1019 helperMustache: function(mustache, program, inverse) {
1020 var params = this.setupFullMustacheParams(mustache, program, inverse),
1021 name = mustache.id.parts[0];
1023 if (this.options.knownHelpers[name]) {
1024 this.opcode('invokeKnownHelper', params.length, name);
1025 } else if (this.knownHelpersOnly) {
1026 throw new Error("You specified knownHelpersOnly, but used the unknown helper " + name);
1028 this.opcode('invokeHelper', params.length, name);
1033 this.addDepth(id.depth);
1034 this.opcode('getContext', id.depth);
1036 var name = id.parts[0];
1038 this.opcode('pushContext');
1040 this.opcode('lookupOnContext', id.parts[0]);
1043 for(var i=1, l=id.parts.length; i<l; i++) {
1044 this.opcode('lookup', id.parts[i]);
1048 DATA: function(data) {
1049 this.options.data = true;
1050 this.opcode('lookupData', data.id);
1053 STRING: function(string) {
1054 this.opcode('pushString', string.string);
1057 INTEGER: function(integer) {
1058 this.opcode('pushLiteral', integer.integer);
1061 BOOLEAN: function(bool) {
1062 this.opcode('pushLiteral', bool.bool);
1065 comment: function() {},
1068 opcode: function(name) {
1069 this.opcodes.push({ opcode: name, args: [].slice.call(arguments, 1) });
1072 declare: function(name, value) {
1073 this.opcodes.push({ opcode: 'DECLARE', name: name, value: value });
1076 addDepth: function(depth) {
1077 if(isNaN(depth)) { throw new Error("EWOT"); }
1078 if(depth === 0) { return; }
1080 if(!this.depths[depth]) {
1081 this.depths[depth] = true;
1082 this.depths.list.push(depth);
1086 classifyMustache: function(mustache) {
1087 var isHelper = mustache.isHelper;
1088 var isEligible = mustache.eligibleHelper;
1089 var options = this.options;
1091 // if ambiguous, we can possibly resolve the ambiguity now
1092 if (isEligible && !isHelper) {
1093 var name = mustache.id.parts[0];
1095 if (options.knownHelpers[name]) {
1097 } else if (options.knownHelpersOnly) {
1102 if (isHelper) { return "helper"; }
1103 else if (isEligible) { return "ambiguous"; }
1104 else { return "simple"; }
1107 pushParams: function(params) {
1108 var i = params.length, param;
1113 if(this.options.stringParams) {
1115 this.addDepth(param.depth);
1118 this.opcode('getContext', param.depth || 0);
1119 this.opcode('pushStringParam', param.string);
1121 this[param.type](param);
1126 setupMustacheParams: function(mustache) {
1127 var params = mustache.params;
1128 this.pushParams(params);
1131 this.hash(mustache.hash);
1133 this.opcode('pushLiteral', '{}');
1139 // this will replace setupMustacheParams when we're done
1140 setupFullMustacheParams: function(mustache, program, inverse) {
1141 var params = mustache.params;
1142 this.pushParams(params);
1144 this.opcode('pushProgram', program);
1145 this.opcode('pushProgram', inverse);
1148 this.hash(mustache.hash);
1150 this.opcode('pushLiteral', '{}');
1157 var Literal = function(value) {
1161 JavaScriptCompiler.prototype = {
1162 // PUBLIC API: You can override these methods in a subclass to provide
1163 // alternative compiled forms for name lookup and buffering semantics
1164 nameLookup: function(parent, name, type) {
1165 if (/^[0-9]+$/.test(name)) {
1166 return parent + "[" + name + "]";
1167 } else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
1168 return parent + "." + name;
1171 return parent + "['" + name + "']";
1175 appendToBuffer: function(string) {
1176 if (this.environment.isSimple) {
1177 return "return " + string + ";";
1179 return "buffer += " + string + ";";
1183 initializeBuffer: function() {
1184 return this.quotedString("");
1187 namespace: "Handlebars",
1190 compile: function(environment, options, context, asObject) {
1191 this.environment = environment;
1192 this.options = options || {};
1194 Handlebars.log(Handlebars.logger.DEBUG, this.environment.disassemble() + "\n\n");
1196 this.name = this.environment.name;
1197 this.isChild = !!context;
1198 this.context = context || {
1206 this.stackVars = [];
1207 this.registers = { list: [] };
1208 this.compileStack = [];
1210 this.compileChildren(environment, options);
1212 var opcodes = environment.opcodes, opcode;
1216 for(l=opcodes.length; this.i<l; this.i++) {
1217 opcode = opcodes[this.i];
1219 if(opcode.opcode === 'DECLARE') {
1220 this[opcode.name] = opcode.value;
1222 this[opcode.opcode].apply(this, opcode.args);
1226 return this.createFunctionContext(asObject);
1229 nextOpcode: function() {
1230 var opcodes = this.environment.opcodes, opcode = opcodes[this.i + 1];
1231 return opcodes[this.i + 1];
1234 eat: function(opcode) {
1235 this.i = this.i + 1;
1238 preamble: function() {
1241 if (!this.isChild) {
1242 var namespace = this.namespace;
1243 var copies = "helpers = helpers || " + namespace + ".helpers;";
1244 if (this.environment.usePartial) { copies = copies + " partials = partials || " + namespace + ".partials;"; }
1245 if (this.options.data) { copies = copies + " data = data || {};"; }
1251 if (!this.environment.isSimple) {
1252 out.push(", buffer = " + this.initializeBuffer());
1257 // track the last context pushed into place to allow skipping the
1258 // getContext opcode when it would be a noop
1259 this.lastContext = 0;
1263 createFunctionContext: function(asObject) {
1264 var locals = this.stackVars.concat(this.registers.list);
1266 if(locals.length > 0) {
1267 this.source[1] = this.source[1] + ", " + locals.join(", ");
1270 // Generate minimizer alias mappings
1271 if (!this.isChild) {
1273 for (var alias in this.context.aliases) {
1274 this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias];
1278 if (this.source[1]) {
1279 this.source[1] = "var " + this.source[1].substring(2) + ";";
1283 if (!this.isChild) {
1284 this.source[1] += '\n' + this.context.programs.join('\n') + '\n';
1287 if (!this.environment.isSimple) {
1288 this.source.push("return buffer;");
1291 var params = this.isChild ? ["depth0", "data"] : ["Handlebars", "depth0", "helpers", "partials", "data"];
1293 for(var i=0, l=this.environment.depths.list.length; i<l; i++) {
1294 params.push("depth" + this.environment.depths.list[i]);
1298 params.push(this.source.join("\n "));
1300 return Function.apply(this, params);
1302 var functionSource = 'function ' + (this.name || '') + '(' + params.join(',') + ') {\n ' + this.source.join("\n ") + '}';
1303 Handlebars.log(Handlebars.logger.DEBUG, functionSource + "\n\n");
1304 return functionSource;
1310 // On stack, before: hash, inverse, program, value
1311 // On stack, after: return value of blockHelperMissing
1313 // The purpose of this opcode is to take a block of the form
1314 // `{{#foo}}...{{/foo}}`, resolve the value of `foo`, and
1315 // replace it on the stack with the result of properly
1316 // invoking blockHelperMissing.
1317 blockValue: function() {
1318 this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing';
1320 var params = ["depth0"];
1321 this.setupParams(0, params);
1323 this.replaceStack(function(current) {
1324 params.splice(1, 0, current);
1325 return current + " = blockHelperMissing.call(" + params.join(", ") + ")";
1329 // [ambiguousBlockValue]
1331 // On stack, before: hash, inverse, program, value
1332 // Compiler value, before: lastHelper=value of last found helper, if any
1333 // On stack, after, if no lastHelper: same as [blockValue]
1334 // On stack, after, if lastHelper: value
1335 ambiguousBlockValue: function() {
1336 this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing';
1338 var params = ["depth0"];
1339 this.setupParams(0, params);
1341 var current = this.topStack();
1342 params.splice(1, 0, current);
1344 this.source.push("if (!" + this.lastHelper + ") { " + current + " = blockHelperMissing.call(" + params.join(", ") + "); }");
1349 // On stack, before: ...
1350 // On stack, after: ...
1352 // Appends the string value of `content` to the current buffer
1353 appendContent: function(content) {
1354 this.source.push(this.appendToBuffer(this.quotedString(content)));
1359 // On stack, before: value, ...
1360 // On stack, after: ...
1362 // Coerces `value` to a String and appends it to the current buffer.
1364 // If `value` is truthy, or 0, it is coerced into a string and appended
1365 // Otherwise, the empty string is appended
1366 append: function() {
1367 var local = this.popStack();
1368 this.source.push("if(" + local + " || " + local + " === 0) { " + this.appendToBuffer(local) + " }");
1369 if (this.environment.isSimple) {
1370 this.source.push("else { " + this.appendToBuffer("''") + " }");
1376 // On stack, before: value, ...
1377 // On stack, after: ...
1379 // Escape `value` and append it to the buffer
1380 appendEscaped: function() {
1381 var opcode = this.nextOpcode(), extra = "";
1382 this.context.aliases.escapeExpression = 'this.escapeExpression';
1384 if(opcode && opcode.opcode === 'appendContent') {
1385 extra = " + " + this.quotedString(opcode.args[0]);
1389 this.source.push(this.appendToBuffer("escapeExpression(" + this.popStack() + ")" + extra));
1394 // On stack, before: ...
1395 // On stack, after: ...
1396 // Compiler value, after: lastContext=depth
1398 // Set the value of the `lastContext` compiler value to the depth
1399 getContext: function(depth) {
1400 if(this.lastContext !== depth) {
1401 this.lastContext = depth;
1405 // [lookupOnContext]
1407 // On stack, before: ...
1408 // On stack, after: currentContext[name], ...
1410 // Looks up the value of `name` on the current context and pushes
1411 // it onto the stack.
1412 lookupOnContext: function(name) {
1413 this.pushStack(this.nameLookup('depth' + this.lastContext, name, 'context'));
1418 // On stack, before: ...
1419 // On stack, after: currentContext, ...
1421 // Pushes the value of the current context onto the stack.
1422 pushContext: function() {
1423 this.pushStackLiteral('depth' + this.lastContext);
1426 // [resolvePossibleLambda]
1428 // On stack, before: value, ...
1429 // On stack, after: resolved value, ...
1431 // If the `value` is a lambda, replace it on the stack by
1432 // the return value of the lambda
1433 resolvePossibleLambda: function() {
1434 this.context.aliases.functionType = '"function"';
1436 this.replaceStack(function(current) {
1437 return "typeof " + current + " === functionType ? " + current + "() : " + current;
1443 // On stack, before: value, ...
1444 // On stack, after: value[name], ...
1446 // Replace the value on the stack with the result of looking
1447 // up `name` on `value`
1448 lookup: function(name) {
1449 this.replaceStack(function(current) {
1450 return current + " == null || " + current + " === false ? " + current + " : " + this.nameLookup(current, name, 'context');
1456 // On stack, before: ...
1457 // On stack, after: data[id], ...
1459 // Push the result of looking up `id` on the current data
1460 lookupData: function(id) {
1461 this.pushStack(this.nameLookup('data', id, 'data'));
1464 // [pushStringParam]
1466 // On stack, before: ...
1467 // On stack, after: string, currentContext, ...
1469 // This opcode is designed for use in string mode, which
1470 // provides the string value of a parameter along with its
1471 // depth rather than resolving it immediately.
1472 pushStringParam: function(string) {
1473 this.pushStackLiteral('depth' + this.lastContext);
1474 this.pushString(string);
1479 // On stack, before: ...
1480 // On stack, after: quotedString(string), ...
1482 // Push a quoted version of `string` onto the stack
1483 pushString: function(string) {
1484 this.pushStackLiteral(this.quotedString(string));
1489 // On stack, before: ...
1490 // On stack, after: expr, ...
1492 // Push an expression onto the stack
1493 push: function(expr) {
1494 this.pushStack(expr);
1499 // On stack, before: ...
1500 // On stack, after: value, ...
1502 // Pushes a value onto the stack. This operation prevents
1503 // the compiler from creating a temporary variable to hold
1505 pushLiteral: function(value) {
1506 this.pushStackLiteral(value);
1511 // On stack, before: ...
1512 // On stack, after: program(guid), ...
1514 // Push a program expression onto the stack. This takes
1515 // a compile-time guid and converts it into a runtime-accessible
1517 pushProgram: function(guid) {
1519 this.pushStackLiteral(this.programExpression(guid));
1521 this.pushStackLiteral(null);
1527 // On stack, before: hash, inverse, program, params..., ...
1528 // On stack, after: result of helper invocation
1530 // Pops off the helper's parameters, invokes the helper,
1531 // and pushes the helper's return value onto the stack.
1533 // If the helper is not found, `helperMissing` is called.
1534 invokeHelper: function(paramSize, name) {
1535 this.context.aliases.helperMissing = 'helpers.helperMissing';
1537 var helper = this.lastHelper = this.setupHelper(paramSize, name);
1538 this.register('foundHelper', helper.name);
1540 this.pushStack("foundHelper ? foundHelper.call(" +
1541 helper.callParams + ") " + ": helperMissing.call(" +
1542 helper.helperMissingParams + ")");
1545 // [invokeKnownHelper]
1547 // On stack, before: hash, inverse, program, params..., ...
1548 // On stack, after: result of helper invocation
1550 // This operation is used when the helper is known to exist,
1551 // so a `helperMissing` fallback is not required.
1552 invokeKnownHelper: function(paramSize, name) {
1553 var helper = this.setupHelper(paramSize, name);
1554 this.pushStack(helper.name + ".call(" + helper.callParams + ")");
1557 // [invokeAmbiguous]
1559 // On stack, before: hash, inverse, program, params..., ...
1560 // On stack, after: result of disambiguation
1562 // This operation is used when an expression like `{{foo}}`
1563 // is provided, but we don't know at compile-time whether it
1564 // is a helper or a path.
1566 // This operation emits more code than the other options,
1567 // and can be avoided by passing the `knownHelpers` and
1568 // `knownHelpersOnly` flags at compile-time.
1569 invokeAmbiguous: function(name) {
1570 this.context.aliases.functionType = '"function"';
1572 this.pushStackLiteral('{}');
1573 var helper = this.setupHelper(0, name);
1575 var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper');
1576 this.register('foundHelper', helperName);
1578 var nonHelper = this.nameLookup('depth' + this.lastContext, name, 'context');
1579 var nextStack = this.nextStack();
1581 this.source.push('if (foundHelper) { ' + nextStack + ' = foundHelper.call(' + helper.callParams + '); }');
1582 this.source.push('else { ' + nextStack + ' = ' + nonHelper + '; ' + nextStack + ' = typeof ' + nextStack + ' === functionType ? ' + nextStack + '() : ' + nextStack + '; }');
1587 // On stack, before: context, ...
1588 // On stack after: result of partial invocation
1590 // This operation pops off a context, invokes a partial with that context,
1591 // and pushes the result of the invocation back.
1592 invokePartial: function(name) {
1593 var params = [this.nameLookup('partials', name, 'partial'), "'" + name + "'", this.popStack(), "helpers", "partials"];
1595 if (this.options.data) {
1596 params.push("data");
1599 this.context.aliases.self = "this";
1600 this.pushStack("self.invokePartial(" + params.join(", ") + ");");
1605 // On stack, before: value, hash, ...
1606 // On stack, after: hash, ...
1608 // Pops a value and hash off the stack, assigns `hash[key] = value`
1609 // and pushes the hash back onto the stack.
1610 assignToHash: function(key) {
1611 var value = this.popStack();
1612 var hash = this.topStack();
1614 this.source.push(hash + "['" + key + "'] = " + value + ";");
1619 compiler: JavaScriptCompiler,
1621 compileChildren: function(environment, options) {
1622 var children = environment.children, child, compiler;
1624 for(var i=0, l=children.length; i<l; i++) {
1625 child = children[i];
1626 compiler = new this.compiler();
1628 this.context.programs.push(''); // Placeholder to prevent name conflicts for nested children
1629 var index = this.context.programs.length;
1630 child.index = index;
1631 child.name = 'program' + index;
1632 this.context.programs[index] = compiler.compile(child, options, this.context);
1636 programExpression: function(guid) {
1637 this.context.aliases.self = "this";
1643 var child = this.environment.children[guid],
1644 depths = child.depths.list, depth;
1646 var programParams = [child.index, child.name, "data"];
1648 for(var i=0, l = depths.length; i<l; i++) {
1651 if(depth === 1) { programParams.push("depth0"); }
1652 else { programParams.push("depth" + (depth - 1)); }
1655 if(depths.length === 0) {
1656 return "self.program(" + programParams.join(", ") + ")";
1658 programParams.shift();
1659 return "self.programWithDepth(" + programParams.join(", ") + ")";
1663 register: function(name, val) {
1664 this.useRegister(name);
1665 this.source.push(name + " = " + val + ";");
1668 useRegister: function(name) {
1669 if(!this.registers[name]) {
1670 this.registers[name] = true;
1671 this.registers.list.push(name);
1675 pushStackLiteral: function(item) {
1676 this.compileStack.push(new Literal(item));
1680 pushStack: function(item) {
1681 this.source.push(this.incrStack() + " = " + item + ";");
1682 this.compileStack.push("stack" + this.stackSlot);
1683 return "stack" + this.stackSlot;
1686 replaceStack: function(callback) {
1687 var item = callback.call(this, this.topStack());
1689 this.source.push(this.topStack() + " = " + item + ";");
1690 return "stack" + this.stackSlot;
1693 nextStack: function(skipCompileStack) {
1694 var name = this.incrStack();
1695 this.compileStack.push("stack" + this.stackSlot);
1699 incrStack: function() {
1701 if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); }
1702 return "stack" + this.stackSlot;
1705 popStack: function() {
1706 var item = this.compileStack.pop();
1708 if (item instanceof Literal) {
1716 topStack: function() {
1717 var item = this.compileStack[this.compileStack.length - 1];
1719 if (item instanceof Literal) {
1726 quotedString: function(str) {
1728 .replace(/\\/g, '\\\\')
1729 .replace(/"/g, '\\"')
1730 .replace(/\n/g, '\\n')
1731 .replace(/\r/g, '\\r') + '"';
1734 setupHelper: function(paramSize, name) {
1736 this.setupParams(paramSize, params);
1737 var foundHelper = this.nameLookup('helpers', name, 'helper');
1742 callParams: ["depth0"].concat(params).join(", "),
1743 helperMissingParams: ["depth0", this.quotedString(name)].concat(params).join(", ")
1747 // the params and contexts arguments are passed in arrays
1749 setupParams: function(paramSize, params) {
1750 var options = [], contexts = [], param, inverse, program;
1752 options.push("hash:" + this.popStack());
1754 inverse = this.popStack();
1755 program = this.popStack();
1757 // Avoid setting fn and inverse if neither are set. This allows
1758 // helpers to do a check for `if (options.fn)`
1759 if (program || inverse) {
1761 this.context.aliases.self = "this";
1762 program = "self.noop";
1766 this.context.aliases.self = "this";
1767 inverse = "self.noop";
1770 options.push("inverse:" + inverse);
1771 options.push("fn:" + program);
1774 for(var i=0; i<paramSize; i++) {
1775 param = this.popStack();
1778 if(this.options.stringParams) {
1779 contexts.push(this.popStack());
1783 if (this.options.stringParams) {
1784 options.push("contexts:[" + contexts.join(",") + "]");
1787 if(this.options.data) {
1788 options.push("data:data");
1791 params.push("{" + options.join(",") + "}");
1792 return params.join(", ");
1796 var reservedWords = (
1797 "break else new var" +
1798 " case finally return void" +
1799 " catch for switch while" +
1800 " continue function this with" +
1801 " default if throw" +
1803 " do instanceof typeof" +
1804 " abstract enum int short" +
1805 " boolean export interface static" +
1806 " byte extends long super" +
1807 " char final native synchronized" +
1808 " class float package throws" +
1809 " const goto private transient" +
1810 " debugger implements protected volatile" +
1811 " double import public let yield"
1814 var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {};
1816 for(var i=0, l=reservedWords.length; i<l; i++) {
1817 compilerWords[reservedWords[i]] = true;
1820 JavaScriptCompiler.isValidJavaScriptVariableName = function(name) {
1821 if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) {
1827 })(Handlebars.Compiler, Handlebars.JavaScriptCompiler);
1829 Handlebars.precompile = function(string, options) {
1830 options = options || {};
1832 var ast = Handlebars.parse(string);
1833 var environment = new Handlebars.Compiler().compile(ast, options);
1834 return new Handlebars.JavaScriptCompiler().compile(environment, options);
1837 Handlebars.compile = function(string, options) {
1838 options = options || {};
1841 function compile() {
1842 var ast = Handlebars.parse(string);
1843 var environment = new Handlebars.Compiler().compile(ast, options);
1844 var templateSpec = new Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true);
1845 return Handlebars.template(templateSpec);
1848 // Template is only compiled on first use and cached after that point.
1849 return function(context, options) {
1851 compiled = compile();
1853 return compiled.call(this, context, options);
1857 // lib/handlebars/runtime.js
1859 template: function(templateSpec) {
1862 escapeExpression: Handlebars.Utils.escapeExpression,
1863 invokePartial: Handlebars.VM.invokePartial,
1865 program: function(i, fn, data) {
1866 var programWrapper = this.programs[i];
1868 return Handlebars.VM.program(fn, data);
1869 } else if(programWrapper) {
1870 return programWrapper;
1872 programWrapper = this.programs[i] = Handlebars.VM.program(fn);
1873 return programWrapper;
1876 programWithDepth: Handlebars.VM.programWithDepth,
1877 noop: Handlebars.VM.noop
1880 return function(context, options) {
1881 options = options || {};
1882 return templateSpec.call(container, Handlebars, context, options.helpers, options.partials, options.data);
1886 programWithDepth: function(fn, data, $depth) {
1887 var args = Array.prototype.slice.call(arguments, 2);
1889 return function(context, options) {
1890 options = options || {};
1892 return fn.apply(this, [context, options.data || data].concat(args));
1895 program: function(fn, data) {
1896 return function(context, options) {
1897 options = options || {};
1899 return fn(context, options.data || data);
1902 noop: function() { return ""; },
1903 invokePartial: function(partial, name, context, helpers, partials, data) {
1904 var options = { helpers: helpers, partials: partials, data: data };
1906 if(partial === undefined) {
1907 throw new Handlebars.Exception("The partial " + name + " could not be found");
1908 } else if(partial instanceof Function) {
1909 return partial(context, options);
1910 } else if (!Handlebars.compile) {
1911 throw new Handlebars.Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
1913 partials[name] = Handlebars.compile(partial, {data: data !== undefined});
1914 return partials[name](context, options);
1919 Handlebars.template = Handlebars.VM.template;