206f33207578aca9f6a9eccca153bad5424bfe32.svn-base
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getOpposite = getOpposite;
exports.getCompletionRecords = getCompletionRecords;
exports.getSibling = getSibling;
exports.getPrevSibling = getPrevSibling;
exports.getNextSibling = getNextSibling;
exports.getAllNextSiblings = getAllNextSiblings;
exports.getAllPrevSiblings = getAllPrevSiblings;
exports.get = get;
exports._getKey = _getKey;
exports._getPattern = _getPattern;
exports.getBindingIdentifiers = getBindingIdentifiers;
exports.getOuterBindingIdentifiers = getOuterBindingIdentifiers;
exports.getBindingIdentifierPaths = getBindingIdentifierPaths;
exports.getOuterBindingIdentifierPaths = getOuterBindingIdentifierPaths;
var _index = _interopRequireDefault(require("./index"));
var t = _interopRequireWildcard(require("@babel/types"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function getOpposite() {
if (this.key === "left") {
return this.getSibling("right");
} else if (this.key === "right") {
return this.getSibling("left");
}
}
function addCompletionRecords(path, paths) {
if (path) return paths.concat(path.getCompletionRecords());
return paths;
}
function findBreak(statements) {
let breakStatement;
if (!Array.isArray(statements)) {
statements = [statements];
}
for (const statement of statements) {
if (statement.isDoExpression() || statement.isProgram() || statement.isBlockStatement() || statement.isCatchClause() || statement.isLabeledStatement()) {
breakStatement = findBreak(statement.get("body"));
} else if (statement.isIfStatement()) {
var _findBreak;
breakStatement = (_findBreak = findBreak(statement.get("consequent"))) != null ? _findBreak : findBreak(statement.get("alternate"));
} else if (statement.isTryStatement()) {
var _findBreak2;
breakStatement = (_findBreak2 = findBreak(statement.get("block"))) != null ? _findBreak2 : findBreak(statement.get("handler"));
} else if (statement.isBreakStatement()) {
breakStatement = statement;
}
if (breakStatement) {
return breakStatement;
}
}
return null;
}
function completionRecordForSwitch(cases, paths) {
let isLastCaseWithConsequent = true;
for (let i = cases.length - 1; i >= 0; i--) {
const switchCase = cases[i];
const consequent = switchCase.get("consequent");
let breakStatement = findBreak(consequent);
if (breakStatement) {
while (breakStatement.key === 0 && breakStatement.parentPath.isBlockStatement()) {
breakStatement = breakStatement.parentPath;
}
const prevSibling = breakStatement.getPrevSibling();
if (breakStatement.key > 0 && (prevSibling.isExpressionStatement() || prevSibling.isBlockStatement())) {
paths = addCompletionRecords(prevSibling, paths);
breakStatement.remove();
} else {
breakStatement.replaceWith(breakStatement.scope.buildUndefinedNode());
paths = addCompletionRecords(breakStatement, paths);
}
} else if (isLastCaseWithConsequent) {
const statementFinder = statement => !statement.isBlockStatement() || statement.get("body").some(statementFinder);
const hasConsequent = consequent.some(statementFinder);
if (hasConsequent) {
paths = addCompletionRecords(consequent[consequent.length - 1], paths);
isLastCaseWithConsequent = false;
}
}
}
return paths;
}
function getCompletionRecords() {
let paths = [];
if (this.isIfStatement()) {
paths = addCompletionRecords(this.get("consequent"), paths);
paths = addCompletionRecords(this.get("alternate"), paths);
} else if (this.isDoExpression() || this.isFor() || this.isWhile()) {
paths = addCompletionRecords(this.get("body"), paths);
} else if (this.isProgram() || this.isBlockStatement()) {
paths = addCompletionRecords(this.get("body").pop(), paths);
} else if (this.isFunction()) {
return this.get("body").getCompletionRecords();
} else if (this.isTryStatement()) {
paths = addCompletionRecords(this.get("block"), paths);
paths = addCompletionRecords(this.get("handler"), paths);
} else if (this.isCatchClause()) {
paths = addCompletionRecords(this.get("body"), paths);
} else if (this.isSwitchStatement()) {
paths = completionRecordForSwitch(this.get("cases"), paths);
} else {
paths.push(this);
}
return paths;
}
function getSibling(key) {
return _index.default.get({
parentPath: this.parentPath,
parent: this.parent,
container: this.container,
listKey: this.listKey,
key: key
}).setContext(this.context);
}
function getPrevSibling() {
return this.getSibling(this.key - 1);
}
function getNextSibling() {
return this.getSibling(this.key + 1);
}
function getAllNextSiblings() {
let _key = this.key;
let sibling = this.getSibling(++_key);
const siblings = [];
while (sibling.node) {
siblings.push(sibling);
sibling = this.getSibling(++_key);
}
return siblings;
}
function getAllPrevSiblings() {
let _key = this.key;
let sibling = this.getSibling(--_key);
const siblings = [];
while (sibling.node) {
siblings.push(sibling);
sibling = this.getSibling(--_key);
}
return siblings;
}
function get(key, context = true) {
if (context === true) context = this.context;
const parts = key.split(".");
if (parts.length === 1) {
return this._getKey(key, context);
} else {
return this._getPattern(parts, context);
}
}
function _getKey(key, context) {
const node = this.node;
const container = node[key];
if (Array.isArray(container)) {
return container.map((_, i) => {
return _index.default.get({
listKey: key,
parentPath: this,
parent: node,
container: container,
key: i
}).setContext(context);
});
} else {
return _index.default.get({
parentPath: this,
parent: node,
container: node,
key: key
}).setContext(context);
}
}
function _getPattern(parts, context) {
let path = this;
for (const part of parts) {
if (part === ".") {
path = path.parentPath;
} else {
if (Array.isArray(path)) {
path = path[part];
} else {
path = path.get(part, context);
}
}
}
return path;
}
function getBindingIdentifiers(duplicates) {
return t.getBindingIdentifiers(this.node, duplicates);
}
function getOuterBindingIdentifiers(duplicates) {
return t.getOuterBindingIdentifiers(this.node, duplicates);
}
function getBindingIdentifierPaths(duplicates = false, outerOnly = false) {
const path = this;
let search = [].concat(path);
const ids = Object.create(null);
while (search.length) {
const id = search.shift();
if (!id) continue;
if (!id.node) continue;
const keys = t.getBindingIdentifiers.keys[id.node.type];
if (id.isIdentifier()) {
if (duplicates) {
const _ids = ids[id.node.name] = ids[id.node.name] || [];
_ids.push(id);
} else {
ids[id.node.name] = id;
}
continue;
}
if (id.isExportDeclaration()) {
const declaration = id.get("declaration");
if (declaration.isDeclaration()) {
search.push(declaration);
}
continue;
}
if (outerOnly) {
if (id.isFunctionDeclaration()) {
search.push(id.get("id"));
continue;
}
if (id.isFunctionExpression()) {
continue;
}
}
if (keys) {
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const child = id.get(key);
if (Array.isArray(child) || child.node) {
search = search.concat(child);
}
}
}
}
return ids;
}
function getOuterBindingIdentifierPaths(duplicates) {
return this.getBindingIdentifierPaths(duplicates, true);
}