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