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✏️ Editing: handlebars-compiler.js

YUI.add('handlebars-compiler', function (Y, NAME) {

/*!
Handlebars.js - Copyright (C) 2011 Yehuda Katz
https://raw.github.com/wycats/handlebars.js/master/LICENSE
*/
// This file contains code that will be inserted at the beginning of the
// handlebars-compiler module.

// This is necessary because the Y.Handlebars object is created in the
// handlebars-base module, but the native Handlebars code expects to use a local
// Handlebars reference.
var Handlebars = Y.Handlebars;
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.Helpers = {};
(function (exports, Exception) {
"use strict";
function stripFlags(open, close) {
  return {
    left: open.charAt(2) === '~',
    right: close.charAt(close.length-3) === '~'
  };
}

exports.stripFlags = stripFlags;
function prepareBlock(mustache, program, inverseAndProgram, close, inverted, locInfo) {
  /*jshint -W040 */
  if (mustache.sexpr.id.original !== close.path.original) {
    throw new Exception(mustache.sexpr.id.original + ' doesn\'t match ' + close.path.original, mustache);
  }

var inverse = inverseAndProgram && inverseAndProgram.program;

var strip = {
    left: mustache.strip.left,
    right: close.strip.right,

// Determine the standalone candiacy. Basically flag our content as being possibly standalone
    // so our parent can determine if we actually are standalone
    openStandalone: isNextWhitespace(program.statements),
    closeStandalone: isPrevWhitespace((inverse || program).statements)
  };

if (mustache.strip.right) {
    omitRight(program.statements, null, true);
  }

if (inverse) {
    var inverseStrip = inverseAndProgram.strip;

if (inverseStrip.left) {
      omitLeft(program.statements, null, true);
    }
    if (inverseStrip.right) {
      omitRight(inverse.statements, null, true);
    }
    if (close.strip.left) {
      omitLeft(inverse.statements, null, true);
    }

// Find standalone else statments
    if (isPrevWhitespace(program.statements)
        && isNextWhitespace(inverse.statements)) {

omitLeft(program.statements);
      omitRight(inverse.statements);
    }
  } else {
    if (close.strip.left) {
      omitLeft(program.statements, null, true);
    }
  }

if (inverted) {
    return new this.BlockNode(mustache, inverse, program, strip, locInfo);
  } else {
    return new this.BlockNode(mustache, program, inverse, strip, locInfo);
  }
}

exports.prepareBlock = prepareBlock;
function prepareProgram(statements, isRoot) {
  for (var i = 0, l = statements.length; i < l; i++) {
    var current = statements[i],
        strip = current.strip;

if (!strip) {
      continue;
    }

var _isPrevWhitespace = isPrevWhitespace(statements, i, isRoot, current.type === 'partial'),
        _isNextWhitespace = isNextWhitespace(statements, i, isRoot),

openStandalone = strip.openStandalone && _isPrevWhitespace,
        closeStandalone = strip.closeStandalone && _isNextWhitespace,
        inlineStandalone = strip.inlineStandalone && _isPrevWhitespace && _isNextWhitespace;

if (strip.right) {
      omitRight(statements, i, true);
    }
    if (strip.left) {
      omitLeft(statements, i, true);
    }

if (inlineStandalone) {
      omitRight(statements, i);

if (omitLeft(statements, i)) {
        // If we are on a standalone node, save the indent info for partials
        if (current.type === 'partial') {
          current.indent = (/([ \t]+$)/).exec(statements[i-1].original) ? RegExp.$1 : '';
        }
      }
    }
    if (openStandalone) {
      omitRight((current.program || current.inverse).statements);

// Strip out the previous content node if it's whitespace only
      omitLeft(statements, i);
    }
    if (closeStandalone) {
      // Always strip the next node
      omitRight(statements, i);

omitLeft((current.inverse || current.program).statements);
    }
  }

return statements;
}

exports.prepareProgram = prepareProgram;function isPrevWhitespace(statements, i, isRoot) {
  if (i === undefined) {
    i = statements.length;
  }

// Nodes that end with newlines are considered whitespace (but are special
  // cased for strip operations)
  var prev = statements[i-1],
      sibling = statements[i-2];
  if (!prev) {
    return isRoot;
  }

if (prev.type === 'content') {
    return (sibling || !isRoot ? (/\r?\n\s*?$/) : (/(^|\r?\n)\s*?$/)).test(prev.original);
  }
}
function isNextWhitespace(statements, i, isRoot) {
  if (i === undefined) {
    i = -1;
  }

var next = statements[i+1],
      sibling = statements[i+2];
  if (!next) {
    return isRoot;
  }

if (next.type === 'content') {
    return (sibling || !isRoot ? (/^\s*?\r?\n/) : (/^\s*?(\r?\n|$)/)).test(next.original);
  }
}

// Marks the node to the right of the position as omitted.
// I.e. {{foo}}' ' will mark the ' ' node as omitted.
//
// If i is undefined, then the first child will be marked as such.
//
// If mulitple is truthy then all whitespace will be stripped out until non-whitespace
// content is met.
function omitRight(statements, i, multiple) {
  var current = statements[i == null ? 0 : i + 1];
  if (!current || current.type !== 'content' || (!multiple && current.rightStripped)) {
    return;
  }

var original = current.string;
  current.string = current.string.replace(multiple ? (/^\s+/) : (/^[ \t]*\r?\n?/), '');
  current.rightStripped = current.string !== original;
}

// Marks the node to the left of the position as omitted.
// I.e. ' '{{foo}} will mark the ' ' node as omitted.
//
// If i is undefined then the last child will be marked as such.
//
// If mulitple is truthy then all whitespace will be stripped out until non-whitespace
// content is met.
function omitLeft(statements, i, multiple) {
  var current = statements[i == null ? statements.length - 1 : i - 1];
  if (!current || current.type !== 'content' || (!multiple && current.leftStripped)) {
    return;
  }

// We omit the last node if it's whitespace only and not preceeded by a non-content node.
  var original = current.string;
  current.string = current.string.replace(multiple ? (/\s+$/) : (/[ \t]+$/), '');
  current.leftStripped = current.string !== original;
  return current.leftStripped;
}
}(Handlebars.Helpers, Handlebars.Exception));
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.Parser = {};
(function (exports) {
"use strict";
/* jshint ignore:start */
/* istanbul ignore next */
/* Jison generated parser */
var handlebars = (function(){
var parser = {trace: function trace() { },
yy: {},
symbols_: {"error":2,"root":3,"program":4,"EOF":5,"program_repetition0":6,"statement":7,"mustache":8,"block":9,"rawBlock":10,"partial":11,"CONTENT":12,"COMMENT":13,"openRawBlock":14,"END_RAW_BLOCK":15,"OPEN_RAW_BLOCK":16,"sexpr":17,"CLOSE_RAW_BLOCK":18,"openBlock":19,"block_option0":20,"closeBlock":21,"openInverse":22,"block_option1":23,"OPEN_BLOCK":24,"CLOSE":25,"OPEN_INVERSE":26,"inverseAndProgram":27,"INVERSE":28,"OPEN_ENDBLOCK":29,"path":30,"OPEN":31,"OPEN_UNESCAPED":32,"CLOSE_UNESCAPED":33,"OPEN_PARTIAL":34,"partialName":35,"param":36,"partial_option0":37,"partial_option1":38,"sexpr_repetition0":39,"sexpr_option0":40,"dataName":41,"STRING":42,"NUMBER":43,"BOOLEAN":44,"OPEN_SEXPR":45,"CLOSE_SEXPR":46,"hash":47,"hash_repetition_plus0":48,"hashSegment":49,"ID":50,"EQUALS":51,"DATA":52,"pathSegments":53,"SEP":54,"$accept":0,"$end":1},
terminals_: {2:"error",5:"EOF",12:"CONTENT",13:"COMMENT",15:"END_RAW_BLOCK",16:"OPEN_RAW_BLOCK",18:"CLOSE_RAW_BLOCK",24:"OPEN_BLOCK",25:"CLOSE",26:"OPEN_INVERSE",28:"INVERSE",29:"OPEN_ENDBLOCK",31:"OPEN",32:"OPEN_UNESCAPED",33:"CLOSE_UNESCAPED",34:"OPEN_PARTIAL",42:"STRING",43:"NUMBER",44:"BOOLEAN",45:"OPEN_SEXPR",46:"CLOSE_SEXPR",50:"ID",51:"EQUALS",52:"DATA",54:"SEP"},
productions_: [0,[3,2],[4,1],[7,1],[7,1],[7,1],[7,1],[7,1],[7,1],[10,3],[14,3],[9,4],[9,4],[19,3],[22,3],[27,2],[21,3],[8,3],[8,3],[11,5],[11,4],[17,3],[17,1],[36,1],[36,1],[36,1],[36,1],[36,1],[36,3],[47,1],[49,3],[35,1],[35,1],[35,1],[41,2],[30,1],[53,3],[53,1],[6,0],[6,2],[20,0],[20,1],[23,0],[23,1],[37,0],[37,1],[38,0],[38,1],[39,0],[39,2],[40,0],[40,1],[48,1],[48,2]],
performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$,_$) {

this._input = this._input.slice(1);
        return ch;
    },
unput:function (ch) {
        var len = ch.length;
        var lines = ch.split(/(?:\r\n?|\n)/g);

this._input = ch + this._input;
        this.yytext = this.yytext.substr(0, this.yytext.length-len-1);
        //this.yyleng -= len;
        this.offset -= len;
        var oldLines = this.match.split(/(?:\r\n?|\n)/g);
        this.match = this.match.substr(0, this.match.length-1);
        this.matched = this.matched.substr(0, this.matched.length-1);

if (lines.length-1) this.yylineno -= lines.length-1;
        var r = this.yylloc.range;

this.yylloc = {first_line: this.yylloc.first_line,
          last_line: this.yylineno+1,
          first_column: this.yylloc.first_column,
          last_column: lines ?
              (lines.length === oldLines.length ? this.yylloc.first_column : 0) + oldLines[oldLines.length - lines.length].length - lines[0].length:
              this.yylloc.first_column - len
          };

if (this.options.ranges) {
            this.yylloc.range = [r[0], r[0] + this.yyleng - len];
        }
        return this;
    },
more:function () {
        this._more = true;
        return this;
    },
less:function (n) {
        this.unput(this.match.slice(n));
    },
pastInput:function () {
        var past = this.matched.substr(0, this.matched.length - this.match.length);
        return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
    },
upcomingInput:function () {
        var next = this.match;
        if (next.length < 20) {
            next += this._input.substr(0, 20-next.length);
        }
        return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
    },
showPosition:function () {
        var pre = this.pastInput();
        var c = new Array(pre.length + 1).join("-");
        return pre + this.upcomingInput() + "\n" + c+"^";
    },
next:function () {
        if (this.done) {
            return this.EOF;
        }
        if (!this._input) this.done = true;

var token,
            match,
            tempMatch,
            index,
            col,
            lines;
        if (!this._more) {
            this.yytext = '';
            this.match = '';
        }
        var rules = this._currentRules();
        for (var i=0;i < rules.length; i++) {
            tempMatch = this._input.match(this.rules[rules[i]]);
            if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
                match = tempMatch;
                index = i;
                if (!this.options.flex) break;
            }
        }
        if (match) {
            lines = match[0].match(/(?:\r\n?|\n).*/g);
            if (lines) this.yylineno += lines.length;
            this.yylloc = {first_line: this.yylloc.last_line,
                           last_line: this.yylineno+1,
                           first_column: this.yylloc.last_column,
                           last_column: lines ? lines[lines.length-1].length-lines[lines.length-1].match(/\r?\n?/)[0].length : this.yylloc.last_column + match[0].length};
            this.yytext += match[0];
            this.match += match[0];
            this.matches = match;
            this.yyleng = this.yytext.length;
            if (this.options.ranges) {
                this.yylloc.range = [this.offset, this.offset += this.yyleng];
            }
            this._more = false;
            this._input = this._input.slice(match[0].length);
            this.matched += match[0];
            token = this.performAction.call(this, this.yy, this, rules[index],this.conditionStack[this.conditionStack.length-1]);
            if (this.done && this._input) this.done = false;
            if (token) return token;
            else return;
        }
        if (this._input === "") {
            return this.EOF;
        } else {
            return this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
                    {text: "", token: null, line: this.yylineno});
        }
    },
lex:function lex() {
        var r = this.next();
        if (typeof r !== 'undefined') {
            return r;
        } else {
            return this.lex();
        }
    },
begin:function begin(condition) {
        this.conditionStack.push(condition);
    },
popState:function popState() {
        return this.conditionStack.pop();
    },
_currentRules:function _currentRules() {
        return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
    },
topState:function () {
        return this.conditionStack[this.conditionStack.length-2];
    },
pushState:function begin(condition) {
        this.begin(condition);
    }});
lexer.options = {};
lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {

function strip(start, end) {
  return yy_.yytext = yy_.yytext.substr(start, yy_.yyleng-end);
}

var AST = {
  ProgramNode: function(statements, strip, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "program";
    this.statements = statements;
    this.strip = strip;
  },

MustacheNode: function(rawParams, hash, open, strip, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "mustache";
    this.strip = strip;

// Open may be a string parsed from the parser or a passed boolean flag
    if (open != null && open.charAt) {
      // Must use charAt to support IE pre-10
      var escapeFlag = open.charAt(3) || open.charAt(2);
      this.escaped = escapeFlag !== '{' && escapeFlag !== '&';
    } else {
      this.escaped = !!open;
    }

if (rawParams instanceof AST.SexprNode) {
      this.sexpr = rawParams;
    } else {
      // Support old AST API
      this.sexpr = new AST.SexprNode(rawParams, hash);
    }

// Support old AST API that stored this info in MustacheNode
    this.id = this.sexpr.id;
    this.params = this.sexpr.params;
    this.hash = this.sexpr.hash;
    this.eligibleHelper = this.sexpr.eligibleHelper;
    this.isHelper = this.sexpr.isHelper;
  },

SexprNode: function(rawParams, hash, locInfo) {
    LocationInfo.call(this, locInfo);

this.type = "sexpr";
    this.hash = hash;

var id = this.id = rawParams[0];
    var params = this.params = rawParams.slice(1);

// a mustache is definitely a helper if:
    // * it is an eligible helper, and
    // * it has at least one parameter or hash segment
    this.isHelper = !!(params.length || hash);

// a mustache is an eligible helper if:
    // * its id is simple (a single part, not `this` or `..`)
    this.eligibleHelper = this.isHelper || id.isSimple;

// if a mustache is an eligible helper but not a definite
    // helper, it is ambiguous, and will be resolved in a later
    // pass or at runtime.
  },

PartialNode: function(partialName, context, hash, strip, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type         = "partial";
    this.partialName  = partialName;
    this.context      = context;
    this.hash = hash;
    this.strip = strip;

this.strip.inlineStandalone = true;
  },

BlockNode: function(mustache, program, inverse, strip, locInfo) {
    LocationInfo.call(this, locInfo);

this.type = 'block';
    this.mustache = mustache;
    this.program  = program;
    this.inverse  = inverse;
    this.strip = strip;

if (inverse && !program) {
      this.isInverse = true;
    }
  },

RawBlockNode: function(mustache, content, close, locInfo) {
    LocationInfo.call(this, locInfo);

if (mustache.sexpr.id.original !== close) {
      throw new Exception(mustache.sexpr.id.original + " doesn't match " + close, this);
    }

content = new AST.ContentNode(content, locInfo);

this.type = 'block';
    this.mustache = mustache;
    this.program = new AST.ProgramNode([content], {}, locInfo);
  },

ContentNode: function(string, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "content";
    this.original = this.string = string;
  },

HashNode: function(pairs, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "hash";
    this.pairs = pairs;
  },

IdNode: function(parts, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "ID";

var original = "",
        dig = [],
        depth = 0,
        depthString = '';

for(var i=0,l=parts.length; i<l; i++) {
      var part = parts[i].part;
      original += (parts[i].separator || '') + part;

if (part === ".." || part === "." || part === "this") {
        if (dig.length > 0) {
          throw new Exception("Invalid path: " + original, this);
        } else if (part === "..") {
          depth++;
          depthString += '../';
        } else {
          this.isScoped = true;
        }
      } else {
        dig.push(part);
      }
    }

this.original = original;
    this.parts    = dig;
    this.string   = dig.join('.');
    this.depth    = depth;
    this.idName   = depthString + this.string;

// an ID is simple if it only has one part, and that part is not
    // `..` or `this`.
    this.isSimple = parts.length === 1 && !this.isScoped && depth === 0;

this.stringModeValue = this.string;
  },

PartialNameNode: function(name, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "PARTIAL_NAME";
    this.name = name.original;
  },

DataNode: function(id, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "DATA";
    this.id = id;
    this.stringModeValue = id.stringModeValue;
    this.idName = '@' + id.stringModeValue;
  },

StringNode: function(string, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "STRING";
    this.original =
      this.string =
      this.stringModeValue = string;
  },

NumberNode: function(number, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "NUMBER";
    this.original =
      this.number = number;
    this.stringModeValue = Number(number);
  },

BooleanNode: function(bool, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "BOOLEAN";
    this.bool = bool;
    this.stringModeValue = bool === "true";
  },

CommentNode: function(comment, locInfo) {
    LocationInfo.call(this, locInfo);
    this.type = "comment";
    this.comment = comment;

this.strip = {
      inlineStandalone: true
    };
  }
};

// Must be exported as an object rather than the root of the module as the jison lexer
// most modify the object to operate properly.
exports["default"] = AST;
}(Handlebars.AST, Handlebars.Exception));
Handlebars.AST = Handlebars.AST['default'];
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
(function (exports, isArray, Exception) {
"use strict";
var slice = [].slice;

function Compiler() {}

exports.Compiler = Compiler;// the foundHelper register will disambiguate helper lookup from finding a
// function in a context. This is necessary for mustache compatibility, which
// requires that context functions in blocks are evaluated by blockHelperMissing,
// and then proceed as if the resulting value was provided to blockHelperMissing.

Compiler.prototype = {
  compiler: Compiler,

equals: function(other) {
    var len = this.opcodes.length;
    if (other.opcodes.length !== len) {
      return false;
    }

for (var i = 0; i < len; i++) {
      var opcode = this.opcodes[i],
          otherOpcode = other.opcodes[i];
      if (opcode.opcode !== otherOpcode.opcode || !argEquals(opcode.args, otherOpcode.args)) {
        return false;
      }
    }

// We know that length is the same between the two arrays because they are directly tied
    // to the opcode behavior above.
    len = this.children.length;
    for (i = 0; i < len; i++) {
      if (!this.children[i].equals(other.children[i])) {
        return false;
      }
    }

return true;
  },

guid: 0,

compile: function(program, options) {
    this.opcodes = [];
    this.children = [];
    this.depths = {list: []};
    this.options = options;
    this.stringParams = options.stringParams;
    this.trackIds = options.trackIds;

// These changes will propagate to the other compiler components
    var knownHelpers = this.options.knownHelpers;
    this.options.knownHelpers = {
      'helperMissing': true,
      'blockHelperMissing': true,
      'each': true,
      'if': true,
      'unless': true,
      'with': true,
      'log': true,
      'lookup': true
    };
    if (knownHelpers) {
      for (var name in knownHelpers) {
        this.options.knownHelpers[name] = knownHelpers[name];
      }
    }

return this.accept(program);
  },

accept: function(node) {
    return this[node.type](node);
  },

program: function(program) {
    var statements = program.statements;

for(var i=0, l=statements.length; i<l; i++) {
      this.accept(statements[i]);
    }
    this.isSimple = l === 1;

this.depths.list = this.depths.list.sort(function(a, b) {
      return a - b;
    });

return this;
  },

compileProgram: function(program) {
    var result = new this.compiler().compile(program, this.options);
    var guid = this.guid++, depth;

this.usePartial = this.usePartial || result.usePartial;

this.children[guid] = result;

for(var i=0, l=result.depths.list.length; i<l; i++) {
      depth = result.depths.list[i];

if(depth < 2) { continue; }
      else { this.addDepth(depth - 1); }
    }

return guid;
  },

block: function(block) {
    var mustache = block.mustache,
        program = block.program,
        inverse = block.inverse;

if (program) {
      program = this.compileProgram(program);
    }

if (inverse) {
      inverse = this.compileProgram(inverse);
    }

var sexpr = mustache.sexpr;
    var type = this.classifySexpr(sexpr);

if (type === "helper") {
      this.helperSexpr(sexpr, program, inverse);
    } else if (type === "simple") {
      this.simpleSexpr(sexpr);

// now that the simple mustache is resolved, we need to
      // evaluate it by executing `blockHelperMissing`
      this.opcode('pushProgram', program);
      this.opcode('pushProgram', inverse);
      this.opcode('emptyHash');
      this.opcode('blockValue', sexpr.id.original);
    } else {
      this.ambiguousSexpr(sexpr, program, inverse);

this.opcode('append');
  },

hash: function(hash) {
    var pairs = hash.pairs, i, l;

this.opcode('pushHash');

for(i=0, l=pairs.length; i<l; i++) {
      this.pushParam(pairs[i][1]);
    }
    while(i--) {
      this.opcode('assignToHash', pairs[i][0]);
    }
    this.opcode('popHash');
  },

partial: function(partial) {
    var partialName = partial.partialName;
    this.usePartial = true;

if (partial.hash) {
      this.accept(partial.hash);
    } else {
      this.opcode('push', 'undefined');
    }

if (partial.context) {
      this.accept(partial.context);
    } else {
      this.opcode('getContext', 0);
      this.opcode('pushContext');
    }

this.opcode('invokePartial', partialName.name, partial.indent || '');
    this.opcode('append');
  },

content: function(content) {
    if (content.string) {
      this.opcode('appendContent', content.string);
    }
  },

mustache: function(mustache) {
    this.sexpr(mustache.sexpr);

if(mustache.escaped && !this.options.noEscape) {
      this.opcode('appendEscaped');
    } else {
      this.opcode('append');
    }
  },

ambiguousSexpr: function(sexpr, program, inverse) {
    var id = sexpr.id,
        name = id.parts[0],
        isBlock = program != null || inverse != null;

this.opcode('getContext', id.depth);

this.opcode('pushProgram', program);
    this.opcode('pushProgram', inverse);

this.ID(id);

this.opcode('invokeAmbiguous', name, isBlock);
  },

simpleSexpr: function(sexpr) {
    var id = sexpr.id;

if (id.type === 'DATA') {
      this.DATA(id);
    } else if (id.parts.length) {
      this.ID(id);
    } else {
      // Simplified ID for `this`
      this.addDepth(id.depth);
      this.opcode('getContext', id.depth);
      this.opcode('pushContext');
    }

this.opcode('resolvePossibleLambda');
  },

helperSexpr: function(sexpr, program, inverse) {
    var params = this.setupFullMustacheParams(sexpr, program, inverse),
        id = sexpr.id,
        name = id.parts[0];

if (this.options.knownHelpers[name]) {
      this.opcode('invokeKnownHelper', params.length, name);
    } else if (this.options.knownHelpersOnly) {
      throw new Exception("You specified knownHelpersOnly, but used the unknown helper " + name, sexpr);
    } else {
      id.falsy = true;

this.ID(id);
      this.opcode('invokeHelper', params.length, id.original, id.isSimple);
    }
  },

sexpr: function(sexpr) {
    var type = this.classifySexpr(sexpr);

if (type === "simple") {
      this.simpleSexpr(sexpr);
    } else if (type === "helper") {
      this.helperSexpr(sexpr);
    } else {
      this.ambiguousSexpr(sexpr);
    }
  },

ID: function(id) {
    this.addDepth(id.depth);
    this.opcode('getContext', id.depth);

DATA: function(data) {
    this.options.data = true;
    this.opcode('lookupData', data.id.depth, data.id.parts);
  },

STRING: function(string) {
    this.opcode('pushString', string.string);
  },

NUMBER: function(number) {
    this.opcode('pushLiteral', number.number);
  },

BOOLEAN: function(bool) {
    this.opcode('pushLiteral', bool.bool);
  },

comment: function() {},

// HELPERS
  opcode: function(name) {
    this.opcodes.push({ opcode: name, args: slice.call(arguments, 1) });
  },

addDepth: function(depth) {
    if(depth === 0) { return; }

if(!this.depths[depth]) {
      this.depths[depth] = true;
      this.depths.list.push(depth);
    }
  },

classifySexpr: function(sexpr) {
    var isHelper   = sexpr.isHelper;
    var isEligible = sexpr.eligibleHelper;
    var options    = this.options;

// if ambiguous, we can possibly resolve the ambiguity now
    // An eligible helper is one that does not have a complex path, i.e. `this.foo`, `../foo` etc.
    if (isEligible && !isHelper) {
      var name = sexpr.id.parts[0];

if (options.knownHelpers[name]) {
        isHelper = true;
      } else if (options.knownHelpersOnly) {
        isEligible = false;
      }
    }

if (isHelper) { return "helper"; }
    else if (isEligible) { return "ambiguous"; }
    else { return "simple"; }
  },

pushParams: function(params) {
    for(var i=0, l=params.length; i<l; i++) {
      this.pushParam(params[i]);
    }
  },

pushParam: function(val) {
    if (this.stringParams) {
      if(val.depth) {
        this.addDepth(val.depth);
      }
      this.opcode('getContext', val.depth || 0);
      this.opcode('pushStringParam', val.stringModeValue, val.type);

if (val.type === 'sexpr') {
        // Subexpressions get evaluated and passed in
        // in string params mode.
        this.sexpr(val);
      }
    } else {
      if (this.trackIds) {
        this.opcode('pushId', val.type, val.idName || val.stringModeValue);
      }
      this.accept(val);
    }
  },

setupFullMustacheParams: function(sexpr, program, inverse) {
    var params = sexpr.params;
    this.pushParams(params);

this.opcode('pushProgram', program);
    this.opcode('pushProgram', inverse);

if (sexpr.hash) {
      this.hash(sexpr.hash);
    } else {
      this.opcode('emptyHash');
    }

return params;
  }
};

function precompile(input, options, env) {
  if (input == null || (typeof input !== 'string' && input.constructor !== env.AST.ProgramNode)) {
    throw new Exception("You must pass a string or Handlebars AST to Handlebars.precompile. You passed " + input);
  }

options = options || {};
  if (!('data' in options)) {
    options.data = true;
  }
  if (options.compat) {
    options.useDepths = true;
  }

var ast = env.parse(input);
  var environment = new env.Compiler().compile(ast, options);
  return new env.JavaScriptCompiler().compile(environment, options);
}

exports.precompile = precompile;function compile(input, options, env) {
  if (input == null || (typeof input !== 'string' && input.constructor !== env.AST.ProgramNode)) {
    throw new Exception("You must pass a string or Handlebars AST to Handlebars.compile. You passed " + input);
  }

options = options || {};

if (!('data' in options)) {
    options.data = true;
  }
  if (options.compat) {
    options.useDepths = true;
  }

var compiled;

function compileInput() {
    var ast = env.parse(input);
    var environment = new env.Compiler().compile(ast, options);
    var templateSpec = new env.JavaScriptCompiler().compile(environment, options, undefined, true);
    return env.template(templateSpec);
  }

// Template is only compiled on first use and cached after that point.
  var ret = function(context, options) {
    if (!compiled) {
      compiled = compileInput();
    }
    return compiled.call(this, context, options);
  };
  ret._setup = function(options) {
    if (!compiled) {
      compiled = compileInput();
    }
    return compiled._setup(options);
  };
  ret._child = function(i, data, depths) {
    if (!compiled) {
      compiled = compileInput();
    }
    return compiled._child(i, data, depths);
  };
  return ret;
}

exports.compile = compile;function argEquals(a, b) {
  if (a === b) {
    return true;
  }

if (isArray(a) && isArray(b) && a.length === b.length) {
    for (var i = 0; i < a.length; i++) {
      if (!argEquals(a[i], b[i])) {
        return false;
      }
    }
    return true;
  }
}
}(Handlebars, Handlebars.Utils.isArray, Handlebars.Exception));
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.JavaScriptCompiler = {};
(function (exports, COMPILER_REVISION, REVISION_CHANGES, log, Exception) {
"use strict";
function Literal(value) {
  this.value = value;
}

function JavaScriptCompiler() {}

JavaScriptCompiler.prototype = {
  // PUBLIC API: You can override these methods in a subclass to provide
  // alternative compiled forms for name lookup and buffering semantics
  nameLookup: function(parent, name /* , type*/) {
    if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
      return parent + "." + name;
    } else {
      return parent + "['" + name + "']";
    }
  },
  depthedLookup: function(name) {
    this.aliases.lookup = 'this.lookup';

return 'lookup(depths, "' + name + '")';
  },

compilerInfo: function() {
    var revision = COMPILER_REVISION,
        versions = REVISION_CHANGES[revision];
    return [revision, versions];
  },

appendToBuffer: function(string) {
    if (this.environment.isSimple) {
      return "return " + string + ";";
    } else {
      return {
        appendToBuffer: true,
        content: string,
        toString: function() { return "buffer += " + string + ";"; }
      };
    }
  },

initializeBuffer: function() {
    return this.quotedString("");
  },

namespace: "Handlebars",
  // END PUBLIC API

compile: function(environment, options, context, asObject) {
    this.environment = environment;
    this.options = options;
    this.stringParams = this.options.stringParams;
    this.trackIds = this.options.trackIds;
    this.precompile = !asObject;

this.name = this.environment.name;
    this.isChild = !!context;
    this.context = context || {
      programs: [],
      environments: []
    };

this.preamble();

this.stackSlot = 0;
    this.stackVars = [];
    this.aliases = {};
    this.registers = { list: [] };
    this.hashes = [];
    this.compileStack = [];
    this.inlineStack = [];

this.compileChildren(environment, options);

this.useDepths = this.useDepths || environment.depths.list.length || this.options.compat;

var opcodes = environment.opcodes,
        opcode,
        i,
        l;

for (i = 0, l = opcodes.length; i < l; i++) {
      opcode = opcodes[i];

this[opcode.opcode].apply(this, opcode.args);
    }

// Flush any trailing content that might be pending.
    this.pushSource('');

/* istanbul ignore next */
    if (this.stackSlot || this.inlineStack.length || this.compileStack.length) {
      throw new Exception('Compile completed with content left on stack');
    }

if (this.environment.usePartial) {
        ret.usePartial = true;
      }
      if (this.options.data) {
        ret.useData = true;
      }
      if (this.useDepths) {
        ret.useDepths = true;
      }
      if (this.options.compat) {
        ret.compat = true;
      }

if (!asObject) {
        ret.compiler = JSON.stringify(ret.compiler);
        ret = this.objectLiteral(ret);
      }

return ret;
    } else {
      return fn;
    }
  },

preamble: function() {
    // track the last context pushed into place to allow skipping the
    // getContext opcode when it would be a noop
    this.lastContext = 0;
    this.source = [];
  },

createFunctionContext: function(asObject) {
    var varDeclarations = '';

var locals = this.stackVars.concat(this.registers.list);
    if(locals.length > 0) {
      varDeclarations += ", " + locals.join(", ");
    }

// Generate minimizer alias mappings
    for (var alias in this.aliases) {
      if (this.aliases.hasOwnProperty(alias)) {
        varDeclarations += ', ' + alias + '=' + this.aliases[alias];
      }
    }

var params = ["depth0", "helpers", "partials", "data"];

if (this.useDepths) {
      params.push('depths');
    }

// Perform a second pass over the output to merge content when possible
    var source = this.mergeSource(varDeclarations);

if (asObject) {
      params.push(source);

return Function.apply(this, params);
    } else {
      return 'function(' + params.join(',') + ') {\n  ' + source + '}';
    }
  },
  mergeSource: function(varDeclarations) {
    var source = '',
        buffer,
        appendOnly = !this.forceBuffer,
        appendFirst;

for (var i = 0, len = this.source.length; i < len; i++) {
      var line = this.source[i];
      if (line.appendToBuffer) {
        if (buffer) {
          buffer = buffer + '\n    + ' + line.content;
        } else {
          buffer = line.content;
        }
      } else {
        if (buffer) {
          if (!source) {
            appendFirst = true;
            source = buffer + ';\n  ';
          } else {
            source += 'buffer += ' + buffer + ';\n  ';
          }
          buffer = undefined;
        }
        source += line + '\n  ';

if (!this.environment.isSimple) {
          appendOnly = false;
        }
      }
    }

if (appendOnly) {
      if (buffer || !source) {
        source += 'return ' + (buffer || '""') + ';\n';
      }
    } else {
      varDeclarations += ", buffer = " + (appendFirst ? '' : this.initializeBuffer());
      if (buffer) {
        source += 'return buffer + ' + buffer + ';\n';
      } else {
        source += 'return buffer;\n';
      }
    }

if (varDeclarations) {
      source = 'var ' + varDeclarations.substring(2) + (appendFirst ? '' : ';\n  ') + source;
    }

return source;
  },

// [blockValue]
  //
  // On stack, before: hash, inverse, program, value
  // On stack, after: return value of blockHelperMissing
  //
  // The purpose of this opcode is to take a block of the form
  // `{{#this.foo}}...{{/this.foo}}`, resolve the value of `foo`, and
  // replace it on the stack with the result of properly
  // invoking blockHelperMissing.
  blockValue: function(name) {
    this.aliases.blockHelperMissing = 'helpers.blockHelperMissing';

var params = [this.contextName(0)];
    this.setupParams(name, 0, params);

var blockName = this.popStack();
    params.splice(1, 0, blockName);

this.push('blockHelperMissing.call(' + params.join(', ') + ')');
  },

// [ambiguousBlockValue]
  //
  // On stack, before: hash, inverse, program, value
  // Compiler value, before: lastHelper=value of last found helper, if any
  // On stack, after, if no lastHelper: same as [blockValue]
  // On stack, after, if lastHelper: value
  ambiguousBlockValue: function() {
    this.aliases.blockHelperMissing = 'helpers.blockHelperMissing';

// We're being a bit cheeky and reusing the options value from the prior exec
    var params = [this.contextName(0)];
    this.setupParams('', 0, params, true);

this.flushInline();

var current = this.topStack();
    params.splice(1, 0, current);

this.pushSource("if (!" + this.lastHelper + ") { " + current + " = blockHelperMissing.call(" + params.join(", ") + "); }");
  },

// [appendContent]
  //
  // On stack, before: ...
  // On stack, after: ...
  //
  // Appends the string value of `content` to the current buffer
  appendContent: function(content) {
    if (this.pendingContent) {
      content = this.pendingContent + content;
    }

this.pendingContent = content;
  },

// [append]
  //
  // On stack, before: value, ...
  // On stack, after: ...
  //
  // Coerces `value` to a String and appends it to the current buffer.
  //
  // If `value` is truthy, or 0, it is coerced into a string and appended
  // Otherwise, the empty string is appended
  append: function() {
    // Force anything that is inlined onto the stack so we don't have duplication
    // when we examine local
    this.flushInline();
    var local = this.popStack();
    this.pushSource('if (' + local + ' != null) { ' + this.appendToBuffer(local) + ' }');
    if (this.environment.isSimple) {
      this.pushSource("else { " + this.appendToBuffer("''") + " }");
    }
  },

// [appendEscaped]
  //
  // On stack, before: value, ...
  // On stack, after: ...
  //
  // Escape `value` and append it to the buffer
  appendEscaped: function() {
    this.aliases.escapeExpression = 'this.escapeExpression';

this.pushSource(this.appendToBuffer("escapeExpression(" + this.popStack() + ")"));
  },

// [getContext]
  //
  // On stack, before: ...
  // On stack, after: ...
  // Compiler value, after: lastContext=depth
  //
  // Set the value of the `lastContext` compiler value to the depth
  getContext: function(depth) {
    this.lastContext = depth;
  },

// [pushContext]
  //
  // On stack, before: ...
  // On stack, after: currentContext, ...
  //
  // Pushes the value of the current context onto the stack.
  pushContext: function() {
    this.pushStackLiteral(this.contextName(this.lastContext));
  },

// [lookupOnContext]
  //
  // On stack, before: ...
  // On stack, after: currentContext[name], ...
  //
  // Looks up the value of `name` on the current context and pushes
  // it onto the stack.
  lookupOnContext: function(parts, falsy, scoped) {
    /*jshint -W083 */
    var i = 0,
        len = parts.length;

if (!scoped && this.options.compat && !this.lastContext) {
      // The depthed query is expected to handle the undefined logic for the root level that
      // is implemented below, so we evaluate that directly in compat mode
      this.push(this.depthedLookup(parts[i++]));
    } else {
      this.pushContext();
    }

for (; i < len; i++) {
      this.replaceStack(function(current) {
        var lookup = this.nameLookup(current, parts[i], 'context');
        // We want to ensure that zero and false are handled properly if the context (falsy flag)
        // needs to have the special handling for these values.
        if (!falsy) {
          return ' != null ? ' + lookup + ' : ' + current;
        } else {
          // Otherwise we can use generic falsy handling
          return ' && ' + lookup;
        }
      });
    }
  },

// [lookupData]
  //
  // On stack, before: ...
  // On stack, after: data, ...
  //
  // Push the data lookup operator
  lookupData: function(depth, parts) {
    /*jshint -W083 */
    if (!depth) {
      this.pushStackLiteral('data');
    } else {
      this.pushStackLiteral('this.data(data, ' + depth + ')');
    }

var len = parts.length;
    for (var i = 0; i < len; i++) {
      this.replaceStack(function(current) {
        return ' && ' + this.nameLookup(current, parts[i], 'data');
      });
    }
  },

// [resolvePossibleLambda]
  //
  // On stack, before: value, ...
  // On stack, after: resolved value, ...
  //
  // If the `value` is a lambda, replace it on the stack by
  // the return value of the lambda
  resolvePossibleLambda: function() {
    this.aliases.lambda = 'this.lambda';

this.push('lambda(' + this.popStack() + ', ' + this.contextName(0) + ')');
  },

// [pushStringParam]
  //
  // On stack, before: ...
  // On stack, after: string, currentContext, ...
  //
  // This opcode is designed for use in string mode, which
  // provides the string value of a parameter along with its
  // depth rather than resolving it immediately.
  pushStringParam: function(string, type) {
    this.pushContext();
    this.pushString(type);

// If it's a subexpression, the string result
    // will be pushed after this opcode.
    if (type !== 'sexpr') {
      if (typeof string === 'string') {
        this.pushString(string);
      } else {
        this.pushStackLiteral(string);
      }
    }
  },

emptyHash: function() {
    this.pushStackLiteral('{}');

if (this.trackIds) {
      this.push('{}'); // hashIds
    }
    if (this.stringParams) {
      this.push('{}'); // hashContexts
      this.push('{}'); // hashTypes
    }
  },
  pushHash: function() {
    if (this.hash) {
      this.hashes.push(this.hash);
    }
    this.hash = {values: [], types: [], contexts: [], ids: []};
  },
  popHash: function() {
    var hash = this.hash;
    this.hash = this.hashes.pop();

if (this.trackIds) {
      this.push('{' + hash.ids.join(',') + '}');
    }
    if (this.stringParams) {
      this.push('{' + hash.contexts.join(',') + '}');
      this.push('{' + hash.types.join(',') + '}');
    }

this.push('{\n    ' + hash.values.join(',\n    ') + '\n  }');
  },

// [pushString]
  //
  // On stack, before: ...
  // On stack, after: quotedString(string), ...
  //
  // Push a quoted version of `string` onto the stack
  pushString: function(string) {
    this.pushStackLiteral(this.quotedString(string));
  },

// [push]
  //
  // On stack, before: ...
  // On stack, after: expr, ...
  //
  // Push an expression onto the stack
  push: function(expr) {
    this.inlineStack.push(expr);
    return expr;
  },

// [pushLiteral]
  //
  // On stack, before: ...
  // On stack, after: value, ...
  //
  // Pushes a value onto the stack. This operation prevents
  // the compiler from creating a temporary variable to hold
  // it.
  pushLiteral: function(value) {
    this.pushStackLiteral(value);
  },

// [pushProgram]
  //
  // On stack, before: ...
  // On stack, after: program(guid), ...
  //
  // Push a program expression onto the stack. This takes
  // a compile-time guid and converts it into a runtime-accessible
  // expression.
  pushProgram: function(guid) {
    if (guid != null) {
      this.pushStackLiteral(this.programExpression(guid));
    } else {
      this.pushStackLiteral(null);
    }
  },

// [invokeHelper]
  //
  // On stack, before: hash, inverse, program, params..., ...
  // On stack, after: result of helper invocation
  //
  // Pops off the helper's parameters, invokes the helper,
  // and pushes the helper's return value onto the stack.
  //
  // If the helper is not found, `helperMissing` is called.
  invokeHelper: function(paramSize, name, isSimple) {
    this.aliases.helperMissing = 'helpers.helperMissing';

var nonHelper = this.popStack();
    var helper = this.setupHelper(paramSize, name);

var lookup = (isSimple ? helper.name + ' || ' : '') + nonHelper + ' || helperMissing';
    this.push('((' + lookup + ').call(' + helper.callParams + '))');
  },

// [invokeKnownHelper]
  //
  // On stack, before: hash, inverse, program, params..., ...
  // On stack, after: result of helper invocation
  //
  // This operation is used when the helper is known to exist,
  // so a `helperMissing` fallback is not required.
  invokeKnownHelper: function(paramSize, name) {
    var helper = this.setupHelper(paramSize, name);
    this.push(helper.name + ".call(" + helper.callParams + ")");
  },

// [invokeAmbiguous]
  //
  // On stack, before: hash, inverse, program, params..., ...
  // On stack, after: result of disambiguation
  //
  // This operation is used when an expression like `{{foo}}`
  // is provided, but we don't know at compile-time whether it
  // is a helper or a path.
  //
  // This operation emits more code than the other options,
  // and can be avoided by passing the `knownHelpers` and
  // `knownHelpersOnly` flags at compile-time.
  invokeAmbiguous: function(name, helperCall) {
    this.aliases.functionType = '"function"';
    this.aliases.helperMissing = 'helpers.helperMissing';
    this.useRegister('helper');

var nonHelper = this.popStack();

this.emptyHash();
    var helper = this.setupHelper(0, name, helperCall);

var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper');

this.push(
      '((helper = (helper = ' + helperName + ' || ' + nonHelper + ') != null ? helper : helperMissing'
        + (helper.paramsInit ? '),(' + helper.paramsInit : '') + '),'
      + '(typeof helper === functionType ? helper.call(' + helper.callParams + ') : helper))');
  },

// [invokePartial]
  //
  // On stack, before: context, ...
  // On stack after: result of partial invocation
  //
  // This operation pops off a context, invokes a partial with that context,
  // and pushes the result of the invocation back.
  invokePartial: function(name, indent) {
    var params = [this.nameLookup('partials', name, 'partial'), "'" + indent + "'", "'" + name + "'", this.popStack(), this.popStack(), "helpers", "partials"];

if (this.options.data) {
      params.push("data");
    } else if (this.options.compat) {
      params.push('undefined');
    }
    if (this.options.compat) {
      params.push('depths');
    }

this.push("this.invokePartial(" + params.join(", ") + ")");
  },

// [assignToHash]
  //
  // On stack, before: value, ..., hash, ...
  // On stack, after: ..., hash, ...
  //
  // Pops a value off the stack and assigns it to the current hash
  assignToHash: function(key) {
    var value = this.popStack(),
        context,
        type,
        id;

if (this.trackIds) {
      id = this.popStack();
    }
    if (this.stringParams) {
      type = this.popStack();
      context = this.popStack();
    }

pushId: function(type, name) {
    if (type === 'ID' || type === 'DATA') {
      this.pushString(name);
    } else if (type === 'sexpr') {
      this.pushStackLiteral('true');
    } else {
      this.pushStackLiteral('null');
    }
  },

// HELPERS

compiler: JavaScriptCompiler,

compileChildren: function(environment, options) {
    var children = environment.children, child, compiler;

for(var i=0, l=children.length; i<l; i++) {
      child = children[i];
      compiler = new this.compiler();

var index = this.matchExistingProgram(child);

if (index == null) {
        this.context.programs.push('');     // Placeholder to prevent name conflicts for nested children
        index = this.context.programs.length;
        child.index = index;
        child.name = 'program' + index;
        this.context.programs[index] = compiler.compile(child, options, this.context, !this.precompile);
        this.context.environments[index] = child;

this.useDepths = this.useDepths || compiler.useDepths;
      } else {
        child.index = index;
        child.name = 'program' + index;
      }
    }
  },
  matchExistingProgram: function(child) {
    for (var i = 0, len = this.context.environments.length; i < len; i++) {
      var environment = this.context.environments[i];
      if (environment && environment.equals(child)) {
        return i;
      }
    }
  },

programExpression: function(guid) {
    var child = this.environment.children[guid],
        depths = child.depths.list,
        useDepths = this.useDepths,
        depth;

var programParams = [child.index, 'data'];

if (useDepths) {
      programParams.push('depths');
    }

return 'this.program(' + programParams.join(', ') + ')';
  },

useRegister: function(name) {
    if(!this.registers[name]) {
      this.registers[name] = true;
      this.registers.list.push(name);
    }
  },

pushStackLiteral: function(item) {
    return this.push(new Literal(item));
  },

pushSource: function(source) {
    if (this.pendingContent) {
      this.source.push(this.appendToBuffer(this.quotedString(this.pendingContent)));
      this.pendingContent = undefined;
    }

if (source) {
      this.source.push(source);
    }
  },

pushStack: function(item) {
    this.flushInline();

var stack = this.incrStack();
    this.pushSource(stack + " = " + item + ";");
    this.compileStack.push(stack);
    return stack;
  },

replaceStack: function(callback) {
    var prefix = '',
        inline = this.isInline(),
        stack,
        createdStack,
        usedLiteral;

/* istanbul ignore next */
    if (!this.isInline()) {
      throw new Exception('replaceStack on non-inline');
    }

// We want to merge the inline statement into the replacement statement via ','
    var top = this.popStack(true);

if (top instanceof Literal) {
      // Literals do not need to be inlined
      prefix = stack = top.value;
      usedLiteral = true;
    } else {
      // Get or create the current stack name for use by the inline
      createdStack = !this.stackSlot;
      var name = !createdStack ? this.topStackName() : this.incrStack();

prefix = '(' + this.push(name) + ' = ' + top + ')';
      stack = this.topStack();
    }

var item = callback.call(this, stack);

if (!usedLiteral) {
      this.popStack();
    }
    if (createdStack) {
      this.stackSlot--;
    }
    this.push('(' + prefix + item + ')');
  },

incrStack: function() {
    this.stackSlot++;
    if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); }
    return this.topStackName();
  },
  topStackName: function() {
    return "stack" + this.stackSlot;
  },
  flushInline: function() {
    var inlineStack = this.inlineStack;
    if (inlineStack.length) {
      this.inlineStack = [];
      for (var i = 0, len = inlineStack.length; i < len; i++) {
        var entry = inlineStack[i];
        if (entry instanceof Literal) {
          this.compileStack.push(entry);
        } else {
          this.pushStack(entry);
        }
      }
    }
  },
  isInline: function() {
    return this.inlineStack.length;
  },

popStack: function(wrapped) {
    var inline = this.isInline(),
        item = (inline ? this.inlineStack : this.compileStack).pop();

if (!wrapped && (item instanceof Literal)) {
      return item.value;
    } else {
      if (!inline) {
        /* istanbul ignore next */
        if (!this.stackSlot) {
          throw new Exception('Invalid stack pop');
        }
        this.stackSlot--;
      }
      return item;
    }
  },

topStack: function() {
    var stack = (this.isInline() ? this.inlineStack : this.compileStack),
        item = stack[stack.length - 1];

if (item instanceof Literal) {
      return item.value;
    } else {
      return item;
    }
  },

contextName: function(context) {
    if (this.useDepths && context) {
      return 'depths[' + context + ']';
    } else {
      return 'depth' + context;
    }
  },

quotedString: function(str) {
    return '"' + str
      .replace(/\\/g, '\\\\')
      .replace(/"/g, '\\"')
      .replace(/\n/g, '\\n')
      .replace(/\r/g, '\\r')
      .replace(/\u2028/g, '\\u2028')   // Per Ecma-262 7.3 + 7.8.4
      .replace(/\u2029/g, '\\u2029') + '"';
  },

objectLiteral: function(obj) {
    var pairs = [];

for (var key in obj) {
      if (obj.hasOwnProperty(key)) {
        pairs.push(this.quotedString(key) + ':' + obj[key]);
      }
    }

return '{' + pairs.join(',') + '}';
  },

setupHelper: function(paramSize, name, blockHelper) {
    var params = [],
        paramsInit = this.setupParams(name, paramSize, params, blockHelper);
    var foundHelper = this.nameLookup('helpers', name, 'helper');

return {
      params: params,
      paramsInit: paramsInit,
      name: foundHelper,
      callParams: [this.contextName(0)].concat(params).join(", ")
    };
  },

setupOptions: function(helper, paramSize, params) {
    var options = {}, contexts = [], types = [], ids = [], param, inverse, program;

options.name = this.quotedString(helper);
    options.hash = this.popStack();

if (this.trackIds) {
      options.hashIds = this.popStack();
    }
    if (this.stringParams) {
      options.hashTypes = this.popStack();
      options.hashContexts = this.popStack();
    }

inverse = this.popStack();
    program = this.popStack();

// Avoid setting fn and inverse if neither are set. This allows
    // helpers to do a check for `if (options.fn)`
    if (program || inverse) {
      if (!program) {
        program = 'this.noop';
      }

if (!inverse) {
        inverse = 'this.noop';
      }

options.fn = program;
      options.inverse = inverse;
    }

// The parameters go on to the stack in order (making sure that they are evaluated in order)
    // so we need to pop them off the stack in reverse order
    var i = paramSize;
    while (i--) {
      param = this.popStack();
      params[i] = param;

if (this.trackIds) {
        ids[i] = this.popStack();
      }
      if (this.stringParams) {
        types[i] = this.popStack();
        contexts[i] = this.popStack();
      }
    }

if (this.trackIds) {
      options.ids = "[" + ids.join(",") + "]";
    }
    if (this.stringParams) {
      options.types = "[" + types.join(",") + "]";
      options.contexts = "[" + contexts.join(",") + "]";
    }

if (this.options.data) {
      options.data = "data";
    }

return options;
  },

// the params and contexts arguments are passed in arrays
  // to fill in
  setupParams: function(helperName, paramSize, params, useRegister) {
    var options = this.objectLiteral(this.setupOptions(helperName, paramSize, params));

if (useRegister) {
      this.useRegister('options');
      params.push('options');
      return 'options=' + options;
    } else {
      params.push(options);
      return '';
    }
  }
};

var reservedWords = (
  "break else new var" +
  " case finally return void" +
  " catch for switch while" +
  " continue function this with" +
  " default if throw" +
  " delete in try" +
  " do instanceof typeof" +
  " abstract enum int short" +
  " boolean export interface static" +
  " byte extends long super" +
  " char final native synchronized" +
  " class float package throws" +
  " const goto private transient" +
  " debugger implements protected volatile" +
  " double import public let yield"
).split(" ");

var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {};

for(var i=0, l=reservedWords.length; i<l; i++) {
  compilerWords[reservedWords[i]] = true;
}

JavaScriptCompiler.isValidJavaScriptVariableName = function(name) {
  return !JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]*$/.test(name);
};

exports["default"] = JavaScriptCompiler;
}(Handlebars.JavaScriptCompiler, Handlebars.COMPILER_REVISION, Handlebars.REVISION_CHANGES, Handlebars.log, Handlebars.Exception));
Handlebars.JavaScriptCompiler = Handlebars.JavaScriptCompiler['default'];
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
(function (exports, parser, AST, extend, Helpers) {
"use strict";
exports.parser = parser;

var yy = {};
extend(yy, Helpers, AST);

function parse(input) {
  // Just return if an already-compile AST was passed in.
  if (input.constructor === AST.ProgramNode) { return input; }

parser.yy = yy;

return parser.parse(input);
}

exports.parse = parse;
}(Handlebars, Handlebars.Parser, Handlebars.AST, Handlebars.Utils.extend, Handlebars.Helpers));
// This file contains YUI-specific wrapper code and overrides for the
// handlebars-compiler module.

/**
Handlebars parser and compiler. Use this module when you need to compile
Handlebars templates.

@module handlebars
@submodule handlebars-compiler
*/

var levels = ['debug', 'info', 'warn', 'error'];

/**
Logs a debugging message. Note that messages will only be logged when the
handlebars module is loaded in "debug" mode.

@method log
@param {String} level Log level for this message. Supported levels are "debug",
    "info", "warn", and "error".
@param {String} message Message to log.
@for Handlebars
*/
Handlebars.logger.log = function (level, message) {

};

/**
Compiles and renders a Handlebars template string in a single step.

If you'll be using a template more than once, it's more efficient to compile it
into a function once using `compile()`, and then render it whenever you need to
by simply executing the compiled function. However, if you only need to compile
and render a template once, `render()` is a handy shortcut for doing both in a
single step.

@example

Y.Handlebars.render('The pie of the day is {{pie}}!', {
        pie: 'Maple Custard'
    });
    // => "The pie of the day is Maple Custard!"

@method render
@param {String} string Handlebars template string to render.
@param {Object} context Context object to pass to the template.
@param {Object} [options] Compile/render options.
    @param {Object} [options.helpers] Helper functions.
    @param {Object} [options.partials] Partials.
    @param {Object} [options.data] Data.
@return {String} Rendered template string.
*/
Handlebars.render = function (string, context, options) {
    return this.compile(string)(context, options);
};

// The rest of this file is just API docs for methods defined in Handlebars
// itself.

/**
Compiles a Handlebars template string into a function. To render the template,
call the function and pass in a context object.

@example

var template = Y.Handlebars.compile('The pie of the day is {{pie}}!.');
    template({pie: 'Pecan'});
    // => "The pie of the day is Pecan!"

@method compile
@param {String} string Handlebars template string to compile.
@param {Object} [options] Compiler options.
@return {Function} Compiled template function.
*/

/**
Precompiles a Handlebars template string into a string of JavaScript code. This
can be used to precompile a template at build time or on the server, and the
resulting template can then be rendered at runtime or on the client without
needing to go through a compile step.

To render a precompiled template, evaluate the code and then pass the resulting
function to `Y.Handlebars.template()` to get back an executable template
function.

@method precompile
@param {String} string Handlebars template string to compile.
@param {Object} [options] Compiler options.
@return {String} Precompiled template code.
*/
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.Runtime = {};
(function (exports, base, SafeString, Exception, Utils, runtime) {
"use strict";
/*globals Handlebars: true */
// Each of these augment the Handlebars object. No need to setup here.
// (This is done to easily share code between commonjs and browse envs)
// For compatibility and usage outside of module systems, make the Handlebars object a namespace
var create = function() {
  var hb = new base.HandlebarsEnvironment();

Utils.extend(hb, base);
  hb.SafeString = SafeString;
  hb.Exception = Exception;
  hb.Utils = Utils;
  hb.escapeExpression = Utils.escapeExpression;

hb.VM = runtime;
  hb.template = function(spec) {
    return runtime.template(spec, hb);
  };

return hb;
};

var Handlebars = create();
Handlebars.create = create;

Handlebars['default'] = Handlebars;

exports["default"] = Handlebars;
}(Handlebars.Runtime, Handlebars, Handlebars.SafeString, Handlebars.Exception, Handlebars.Utils, Handlebars.VM));
Handlebars.Runtime = Handlebars.Runtime['default'];
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
(function (exports, Handlebars, AST, Parser, parse, Compiler, compile, precompile, JavaScriptCompiler) {
"use strict";
/*globals Handlebars: true */
// Compiler imports
var _create = Handlebars.create;
var create = function() {
  var hb = _create();

hb.compile = function(input, options) {
    return compile(input, options, hb);
  };
  hb.precompile = function (input, options) {
    return precompile(input, options, hb);
  };

hb.AST = AST;
  hb.Compiler = Compiler;
  hb.JavaScriptCompiler = JavaScriptCompiler;
  hb.Parser = Parser;
  hb.parse = parse;

return hb;
};

Handlebars = create();
Handlebars.create = create;

Handlebars['default'] = Handlebars;

exports["default"] = Handlebars;
}(Handlebars, Handlebars.Runtime, Handlebars.AST, Handlebars.Parser, Handlebars.parse, Handlebars.Compiler, Handlebars.compile, Handlebars.precompile, Handlebars.JavaScriptCompiler));
Y.Handlebars = Handlebars['default'];

}, '3.18.1', {"requires": ["handlebars-base"]});

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