wallet-core/node_modules/babylon/lib/parser/node.js
2016-10-10 03:43:44 +02:00

70 lines
1.8 KiB
JavaScript

"use strict";
var _index = require("./index");
var _index2 = _interopRequireDefault(_index);
var _location = require("../util/location");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
// Start an AST node, attaching a start offset.
var pp = _index2.default.prototype;
var commentKeys = ["leadingComments", "trailingComments", "innerComments"];
var Node = function () {
function Node(pos, loc, filename) {
_classCallCheck(this, Node);
this.type = "";
this.start = pos;
this.end = 0;
this.loc = new _location.SourceLocation(loc);
if (filename) this.loc.filename = filename;
}
Node.prototype.__clone = function __clone() {
var node2 = new Node();
for (var key in this) {
// Do not clone comments that are already attached to the node
if (commentKeys.indexOf(key) < 0) {
node2[key] = this[key];
}
}
return node2;
};
return Node;
}();
pp.startNode = function () {
return new Node(this.state.start, this.state.startLoc, this.filename);
};
pp.startNodeAt = function (pos, loc) {
return new Node(pos, loc, this.filename);
};
function finishNodeAt(node, type, pos, loc) {
node.type = type;
node.end = pos;
node.loc.end = loc;
this.processComment(node);
return node;
}
// Finish an AST node, adding `type` and `end` properties.
pp.finishNode = function (node, type) {
return finishNodeAt.call(this, node, type, this.state.lastTokEnd, this.state.lastTokEndLoc);
};
// Finish node at given position
pp.finishNodeAt = function (node, type, pos, loc) {
return finishNodeAt.call(this, node, type, pos, loc);
};