setup-python/node_modules/@babel/traverse/lib/path/index.js

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2019-06-27 09:12:00 +08:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var virtualTypes = _interopRequireWildcard(require("./lib/virtual-types"));
function _debug() {
const data = _interopRequireDefault(require("debug"));
_debug = function () {
return data;
};
return data;
}
var _index = _interopRequireDefault(require("../index"));
var _scope = _interopRequireDefault(require("../scope"));
function t() {
const data = _interopRequireWildcard(require("@babel/types"));
t = function () {
return data;
};
return data;
}
var _cache = require("../cache");
function _generator() {
const data = _interopRequireDefault(require("@babel/generator"));
_generator = function () {
return data;
};
return data;
}
var NodePath_ancestry = _interopRequireWildcard(require("./ancestry"));
var NodePath_inference = _interopRequireWildcard(require("./inference"));
var NodePath_replacement = _interopRequireWildcard(require("./replacement"));
var NodePath_evaluation = _interopRequireWildcard(require("./evaluation"));
var NodePath_conversion = _interopRequireWildcard(require("./conversion"));
var NodePath_introspection = _interopRequireWildcard(require("./introspection"));
var NodePath_context = _interopRequireWildcard(require("./context"));
var NodePath_removal = _interopRequireWildcard(require("./removal"));
var NodePath_modification = _interopRequireWildcard(require("./modification"));
var NodePath_family = _interopRequireWildcard(require("./family"));
var NodePath_comments = _interopRequireWildcard(require("./comments"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
const debug = (0, _debug().default)("babel");
class NodePath {
constructor(hub, parent) {
this.parent = parent;
this.hub = hub;
this.contexts = [];
this.data = Object.create(null);
this.shouldSkip = false;
this.shouldStop = false;
this.removed = false;
this.state = null;
this.opts = null;
this.skipKeys = null;
this.parentPath = null;
this.context = null;
this.container = null;
this.listKey = null;
this.inList = false;
this.parentKey = null;
this.key = null;
this.node = null;
this.scope = null;
this.type = null;
this.typeAnnotation = null;
}
static get({
hub,
parentPath,
parent,
container,
listKey,
key
}) {
if (!hub && parentPath) {
hub = parentPath.hub;
}
if (!parent) {
throw new Error("To get a node path the parent needs to exist");
}
const targetNode = container[key];
const paths = _cache.path.get(parent) || [];
if (!_cache.path.has(parent)) {
_cache.path.set(parent, paths);
}
let path;
for (let i = 0; i < paths.length; i++) {
const pathCheck = paths[i];
if (pathCheck.node === targetNode) {
path = pathCheck;
break;
}
}
if (!path) {
path = new NodePath(hub, parent);
paths.push(path);
}
path.setup(parentPath, container, listKey, key);
return path;
}
getScope(scope) {
return this.isScope() ? new _scope.default(this) : scope;
}
setData(key, val) {
return this.data[key] = val;
}
getData(key, def) {
let val = this.data[key];
if (val === undefined && def !== undefined) val = this.data[key] = def;
return val;
}
buildCodeFrameError(msg, Error = SyntaxError) {
return this.hub.buildError(this.node, msg, Error);
}
traverse(visitor, state) {
(0, _index.default)(this.node, visitor, this.scope, state, this);
}
set(key, node) {
t().validate(this.node, key, node);
this.node[key] = node;
}
getPathLocation() {
const parts = [];
let path = this;
do {
let key = path.key;
if (path.inList) key = `${path.listKey}[${key}]`;
parts.unshift(key);
} while (path = path.parentPath);
return parts.join(".");
}
debug(message) {
if (!debug.enabled) return;
debug(`${this.getPathLocation()} ${this.type}: ${message}`);
}
toString() {
return (0, _generator().default)(this.node).code;
}
}
exports.default = NodePath;
Object.assign(NodePath.prototype, NodePath_ancestry, NodePath_inference, NodePath_replacement, NodePath_evaluation, NodePath_conversion, NodePath_introspection, NodePath_context, NodePath_removal, NodePath_modification, NodePath_family, NodePath_comments);
for (const type of t().TYPES) {
const typeKey = `is${type}`;
const fn = t()[typeKey];
NodePath.prototype[typeKey] = function (opts) {
return fn(this.node, opts);
};
NodePath.prototype[`assert${type}`] = function (opts) {
if (!fn(this.node, opts)) {
throw new TypeError(`Expected node path of type ${type}`);
}
};
}
for (const type of Object.keys(virtualTypes)) {
if (type[0] === "_") continue;
if (t().TYPES.indexOf(type) < 0) t().TYPES.push(type);
const virtualType = virtualTypes[type];
NodePath.prototype[`is${type}`] = function (opts) {
return virtualType.checkPath(this, opts);
};
}