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260 lines
5.4 KiB
260 lines
5.4 KiB
"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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exports.default = exports.SHOULD_STOP = exports.SHOULD_SKIP = exports.REMOVED = void 0; |
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var virtualTypes = require("./lib/virtual-types"); |
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var _debug = require("debug"); |
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var _index = require("../index"); |
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var _scope = require("../scope"); |
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var _t = require("@babel/types"); |
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var t = _t; |
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var _cache = require("../cache"); |
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var _generator = require("@babel/generator"); |
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var NodePath_ancestry = require("./ancestry"); |
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var NodePath_inference = require("./inference"); |
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var NodePath_replacement = require("./replacement"); |
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var NodePath_evaluation = require("./evaluation"); |
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var NodePath_conversion = require("./conversion"); |
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var NodePath_introspection = require("./introspection"); |
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var NodePath_context = require("./context"); |
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var NodePath_removal = require("./removal"); |
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var NodePath_modification = require("./modification"); |
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var NodePath_family = require("./family"); |
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var NodePath_comments = require("./comments"); |
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const { |
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validate |
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} = _t; |
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const debug = _debug("babel"); |
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const REMOVED = 1 << 0; |
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exports.REMOVED = REMOVED; |
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const SHOULD_STOP = 1 << 1; |
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exports.SHOULD_STOP = SHOULD_STOP; |
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const SHOULD_SKIP = 1 << 2; |
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exports.SHOULD_SKIP = SHOULD_SKIP; |
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class NodePath { |
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constructor(hub, parent) { |
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this.contexts = []; |
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this.state = null; |
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this.opts = null; |
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this._traverseFlags = 0; |
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this.skipKeys = null; |
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this.parentPath = null; |
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this.container = null; |
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this.listKey = null; |
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this.key = null; |
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this.node = null; |
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this.type = null; |
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this.parent = parent; |
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this.hub = hub; |
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this.data = null; |
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this.context = null; |
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this.scope = null; |
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} |
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static get({ |
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hub, |
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parentPath, |
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parent, |
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container, |
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listKey, |
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key |
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}) { |
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if (!hub && parentPath) { |
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hub = parentPath.hub; |
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} |
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if (!parent) { |
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throw new Error("To get a node path the parent needs to exist"); |
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} |
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const targetNode = container[key]; |
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let paths = _cache.path.get(parent); |
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if (!paths) { |
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paths = new Map(); |
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_cache.path.set(parent, paths); |
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} |
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let path = paths.get(targetNode); |
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if (!path) { |
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path = new NodePath(hub, parent); |
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if (targetNode) paths.set(targetNode, path); |
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} |
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path.setup(parentPath, container, listKey, key); |
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return path; |
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} |
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getScope(scope) { |
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return this.isScope() ? new _scope.default(this) : scope; |
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} |
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setData(key, val) { |
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if (this.data == null) { |
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this.data = Object.create(null); |
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} |
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return this.data[key] = val; |
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} |
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getData(key, def) { |
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if (this.data == null) { |
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this.data = Object.create(null); |
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} |
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let val = this.data[key]; |
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if (val === undefined && def !== undefined) val = this.data[key] = def; |
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return val; |
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} |
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hasNode() { |
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return this.node != null; |
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} |
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buildCodeFrameError(msg, Error = SyntaxError) { |
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return this.hub.buildError(this.node, msg, Error); |
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} |
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traverse(visitor, state) { |
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(0, _index.default)(this.node, visitor, this.scope, state, this); |
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} |
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set(key, node) { |
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validate(this.node, key, node); |
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this.node[key] = node; |
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} |
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getPathLocation() { |
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const parts = []; |
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let path = this; |
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do { |
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let key = path.key; |
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if (path.inList) key = `${path.listKey}[${key}]`; |
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parts.unshift(key); |
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} while (path = path.parentPath); |
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return parts.join("."); |
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} |
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debug(message) { |
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if (!debug.enabled) return; |
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debug(`${this.getPathLocation()} ${this.type}: ${message}`); |
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} |
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toString() { |
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return (0, _generator.default)(this.node).code; |
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} |
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get inList() { |
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return !!this.listKey; |
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} |
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set inList(inList) { |
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if (!inList) { |
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this.listKey = null; |
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} |
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} |
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get parentKey() { |
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return this.listKey || this.key; |
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} |
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get shouldSkip() { |
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return !!(this._traverseFlags & SHOULD_SKIP); |
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} |
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set shouldSkip(v) { |
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if (v) { |
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this._traverseFlags |= SHOULD_SKIP; |
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} else { |
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this._traverseFlags &= ~SHOULD_SKIP; |
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} |
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} |
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get shouldStop() { |
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return !!(this._traverseFlags & SHOULD_STOP); |
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} |
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set shouldStop(v) { |
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if (v) { |
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this._traverseFlags |= SHOULD_STOP; |
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} else { |
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this._traverseFlags &= ~SHOULD_STOP; |
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} |
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} |
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get removed() { |
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return !!(this._traverseFlags & REMOVED); |
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} |
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set removed(v) { |
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if (v) { |
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this._traverseFlags |= REMOVED; |
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} else { |
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this._traverseFlags &= ~REMOVED; |
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} |
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} |
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} |
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Object.assign(NodePath.prototype, NodePath_ancestry, NodePath_inference, NodePath_replacement, NodePath_evaluation, NodePath_conversion, NodePath_introspection, NodePath_context, NodePath_removal, NodePath_modification, NodePath_family, NodePath_comments); |
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{ |
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NodePath.prototype._guessExecutionStatusRelativeToDifferentFunctions = NodePath_introspection._guessExecutionStatusRelativeTo; |
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} |
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for (const type of t.TYPES) { |
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const typeKey = `is${type}`; |
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const fn = t[typeKey]; |
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NodePath.prototype[typeKey] = function (opts) { |
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return fn(this.node, opts); |
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}; |
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NodePath.prototype[`assert${type}`] = function (opts) { |
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if (!fn(this.node, opts)) { |
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throw new TypeError(`Expected node path of type ${type}`); |
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} |
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}; |
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} |
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for (const type of Object.keys(virtualTypes)) { |
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if (type[0] === "_") continue; |
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if (t.TYPES.indexOf(type) < 0) t.TYPES.push(type); |
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const virtualType = virtualTypes[type]; |
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NodePath.prototype[`is${type}`] = function (opts) { |
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return virtualType.checkPath(this, opts); |
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}; |
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} |
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var _default = NodePath; |
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exports.default = _default; |