Code coverage report for dist/cjs/handlebars/compiler/ast.js

Statements: 100% (107 / 107)      Branches: 100% (36 / 36)      Functions: 100% (16 / 16)      Lines: 100% (107 / 107)      Ignored: none     

All files » dist/cjs/handlebars/compiler/ » ast.js
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"use strict";
var Exception = require("../exception")["default"];
 
function LocationInfo(locInfo) {
  locInfo = locInfo || {};
  this.firstLine   = locInfo.first_line;
  this.firstColumn = locInfo.first_column;
  this.lastColumn  = locInfo.last_column;
  this.lastLine    = locInfo.last_line;
}
 
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;