mirror of
https://gitea.com/actions/setup-python.git
synced 2024-11-26 12:09:35 +01:00
892 lines
No EOL
22 KiB
JavaScript
892 lines
No EOL
22 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
|
|
function _includes() {
|
|
const data = _interopRequireDefault(require("lodash/includes"));
|
|
|
|
_includes = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
function _repeat() {
|
|
const data = _interopRequireDefault(require("lodash/repeat"));
|
|
|
|
_repeat = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
var _renamer = _interopRequireDefault(require("./lib/renamer"));
|
|
|
|
var _index = _interopRequireDefault(require("../index"));
|
|
|
|
function _defaults() {
|
|
const data = _interopRequireDefault(require("lodash/defaults"));
|
|
|
|
_defaults = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
var _binding = _interopRequireDefault(require("./binding"));
|
|
|
|
function _globals() {
|
|
const data = _interopRequireDefault(require("globals"));
|
|
|
|
_globals = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
function t() {
|
|
const data = _interopRequireWildcard(require("@babel/types"));
|
|
|
|
t = function () {
|
|
return data;
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
var _cache = require("../cache");
|
|
|
|
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; } }
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
function gatherNodeParts(node, parts) {
|
|
if (t().isModuleDeclaration(node)) {
|
|
if (node.source) {
|
|
gatherNodeParts(node.source, parts);
|
|
} else if (node.specifiers && node.specifiers.length) {
|
|
for (const specifier of node.specifiers) {
|
|
gatherNodeParts(specifier, parts);
|
|
}
|
|
} else if (node.declaration) {
|
|
gatherNodeParts(node.declaration, parts);
|
|
}
|
|
} else if (t().isModuleSpecifier(node)) {
|
|
gatherNodeParts(node.local, parts);
|
|
} else if (t().isMemberExpression(node)) {
|
|
gatherNodeParts(node.object, parts);
|
|
gatherNodeParts(node.property, parts);
|
|
} else if (t().isIdentifier(node)) {
|
|
parts.push(node.name);
|
|
} else if (t().isLiteral(node)) {
|
|
parts.push(node.value);
|
|
} else if (t().isCallExpression(node)) {
|
|
gatherNodeParts(node.callee, parts);
|
|
} else if (t().isObjectExpression(node) || t().isObjectPattern(node)) {
|
|
for (const prop of node.properties) {
|
|
gatherNodeParts(prop.key || prop.argument, parts);
|
|
}
|
|
} else if (t().isPrivateName(node)) {
|
|
gatherNodeParts(node.id, parts);
|
|
} else if (t().isThisExpression(node)) {
|
|
parts.push("this");
|
|
} else if (t().isSuper(node)) {
|
|
parts.push("super");
|
|
}
|
|
}
|
|
|
|
const collectorVisitor = {
|
|
For(path) {
|
|
for (const key of t().FOR_INIT_KEYS) {
|
|
const declar = path.get(key);
|
|
|
|
if (declar.isVar()) {
|
|
const parentScope = path.scope.getFunctionParent() || path.scope.getProgramParent();
|
|
parentScope.registerBinding("var", declar);
|
|
}
|
|
}
|
|
},
|
|
|
|
Declaration(path) {
|
|
if (path.isBlockScoped()) return;
|
|
|
|
if (path.isExportDeclaration() && path.get("declaration").isDeclaration()) {
|
|
return;
|
|
}
|
|
|
|
const parent = path.scope.getFunctionParent() || path.scope.getProgramParent();
|
|
parent.registerDeclaration(path);
|
|
},
|
|
|
|
ReferencedIdentifier(path, state) {
|
|
state.references.push(path);
|
|
},
|
|
|
|
ForXStatement(path, state) {
|
|
const left = path.get("left");
|
|
|
|
if (left.isPattern() || left.isIdentifier()) {
|
|
state.constantViolations.push(path);
|
|
}
|
|
},
|
|
|
|
ExportDeclaration: {
|
|
exit(path) {
|
|
const {
|
|
node,
|
|
scope
|
|
} = path;
|
|
const declar = node.declaration;
|
|
|
|
if (t().isClassDeclaration(declar) || t().isFunctionDeclaration(declar)) {
|
|
const id = declar.id;
|
|
if (!id) return;
|
|
const binding = scope.getBinding(id.name);
|
|
if (binding) binding.reference(path);
|
|
} else if (t().isVariableDeclaration(declar)) {
|
|
for (const decl of declar.declarations) {
|
|
for (const name of Object.keys(t().getBindingIdentifiers(decl))) {
|
|
const binding = scope.getBinding(name);
|
|
if (binding) binding.reference(path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
LabeledStatement(path) {
|
|
path.scope.getProgramParent().addGlobal(path.node);
|
|
path.scope.getBlockParent().registerDeclaration(path);
|
|
},
|
|
|
|
AssignmentExpression(path, state) {
|
|
state.assignments.push(path);
|
|
},
|
|
|
|
UpdateExpression(path, state) {
|
|
state.constantViolations.push(path);
|
|
},
|
|
|
|
UnaryExpression(path, state) {
|
|
if (path.node.operator === "delete") {
|
|
state.constantViolations.push(path);
|
|
}
|
|
},
|
|
|
|
BlockScoped(path) {
|
|
let scope = path.scope;
|
|
if (scope.path === path) scope = scope.parent;
|
|
scope.getBlockParent().registerDeclaration(path);
|
|
},
|
|
|
|
ClassDeclaration(path) {
|
|
const id = path.node.id;
|
|
if (!id) return;
|
|
const name = id.name;
|
|
path.scope.bindings[name] = path.scope.getBinding(name);
|
|
},
|
|
|
|
Block(path) {
|
|
const paths = path.get("body");
|
|
|
|
for (const bodyPath of paths) {
|
|
if (bodyPath.isFunctionDeclaration()) {
|
|
path.scope.getBlockParent().registerDeclaration(bodyPath);
|
|
}
|
|
}
|
|
}
|
|
|
|
};
|
|
let uid = 0;
|
|
|
|
class Scope {
|
|
constructor(path) {
|
|
const {
|
|
node
|
|
} = path;
|
|
|
|
const cached = _cache.scope.get(node);
|
|
|
|
if (cached && cached.path === path) {
|
|
return cached;
|
|
}
|
|
|
|
_cache.scope.set(node, this);
|
|
|
|
this.uid = uid++;
|
|
this.block = node;
|
|
this.path = path;
|
|
this.labels = new Map();
|
|
}
|
|
|
|
get parent() {
|
|
const parent = this.path.findParent(p => p.isScope());
|
|
return parent && parent.scope;
|
|
}
|
|
|
|
get parentBlock() {
|
|
return this.path.parent;
|
|
}
|
|
|
|
get hub() {
|
|
return this.path.hub;
|
|
}
|
|
|
|
traverse(node, opts, state) {
|
|
(0, _index.default)(node, opts, this, state, this.path);
|
|
}
|
|
|
|
generateDeclaredUidIdentifier(name) {
|
|
const id = this.generateUidIdentifier(name);
|
|
this.push({
|
|
id
|
|
});
|
|
return t().cloneNode(id);
|
|
}
|
|
|
|
generateUidIdentifier(name) {
|
|
return t().identifier(this.generateUid(name));
|
|
}
|
|
|
|
generateUid(name = "temp") {
|
|
name = t().toIdentifier(name).replace(/^_+/, "").replace(/[0-9]+$/g, "");
|
|
let uid;
|
|
let i = 0;
|
|
|
|
do {
|
|
uid = this._generateUid(name, i);
|
|
i++;
|
|
} while (this.hasLabel(uid) || this.hasBinding(uid) || this.hasGlobal(uid) || this.hasReference(uid));
|
|
|
|
const program = this.getProgramParent();
|
|
program.references[uid] = true;
|
|
program.uids[uid] = true;
|
|
return uid;
|
|
}
|
|
|
|
_generateUid(name, i) {
|
|
let id = name;
|
|
if (i > 1) id += i;
|
|
return `_${id}`;
|
|
}
|
|
|
|
generateUidBasedOnNode(parent, defaultName) {
|
|
let node = parent;
|
|
|
|
if (t().isAssignmentExpression(parent)) {
|
|
node = parent.left;
|
|
} else if (t().isVariableDeclarator(parent)) {
|
|
node = parent.id;
|
|
} else if (t().isObjectProperty(node) || t().isObjectMethod(node)) {
|
|
node = node.key;
|
|
}
|
|
|
|
const parts = [];
|
|
gatherNodeParts(node, parts);
|
|
let id = parts.join("$");
|
|
id = id.replace(/^_/, "") || defaultName || "ref";
|
|
return this.generateUid(id.slice(0, 20));
|
|
}
|
|
|
|
generateUidIdentifierBasedOnNode(parent, defaultName) {
|
|
return t().identifier(this.generateUidBasedOnNode(parent, defaultName));
|
|
}
|
|
|
|
isStatic(node) {
|
|
if (t().isThisExpression(node) || t().isSuper(node)) {
|
|
return true;
|
|
}
|
|
|
|
if (t().isIdentifier(node)) {
|
|
const binding = this.getBinding(node.name);
|
|
|
|
if (binding) {
|
|
return binding.constant;
|
|
} else {
|
|
return this.hasBinding(node.name);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
maybeGenerateMemoised(node, dontPush) {
|
|
if (this.isStatic(node)) {
|
|
return null;
|
|
} else {
|
|
const id = this.generateUidIdentifierBasedOnNode(node);
|
|
|
|
if (!dontPush) {
|
|
this.push({
|
|
id
|
|
});
|
|
return t().cloneNode(id);
|
|
}
|
|
|
|
return id;
|
|
}
|
|
}
|
|
|
|
checkBlockScopedCollisions(local, kind, name, id) {
|
|
if (kind === "param") return;
|
|
if (local.kind === "local") return;
|
|
const duplicate = kind === "let" || local.kind === "let" || local.kind === "const" || local.kind === "module" || local.kind === "param" && (kind === "let" || kind === "const");
|
|
|
|
if (duplicate) {
|
|
throw this.hub.buildError(id, `Duplicate declaration "${name}"`, TypeError);
|
|
}
|
|
}
|
|
|
|
rename(oldName, newName, block) {
|
|
const binding = this.getBinding(oldName);
|
|
|
|
if (binding) {
|
|
newName = newName || this.generateUidIdentifier(oldName).name;
|
|
return new _renamer.default(binding, oldName, newName).rename(block);
|
|
}
|
|
}
|
|
|
|
_renameFromMap(map, oldName, newName, value) {
|
|
if (map[oldName]) {
|
|
map[newName] = value;
|
|
map[oldName] = null;
|
|
}
|
|
}
|
|
|
|
dump() {
|
|
const sep = (0, _repeat().default)("-", 60);
|
|
console.log(sep);
|
|
let scope = this;
|
|
|
|
do {
|
|
console.log("#", scope.block.type);
|
|
|
|
for (const name of Object.keys(scope.bindings)) {
|
|
const binding = scope.bindings[name];
|
|
console.log(" -", name, {
|
|
constant: binding.constant,
|
|
references: binding.references,
|
|
violations: binding.constantViolations.length,
|
|
kind: binding.kind
|
|
});
|
|
}
|
|
} while (scope = scope.parent);
|
|
|
|
console.log(sep);
|
|
}
|
|
|
|
toArray(node, i) {
|
|
if (t().isIdentifier(node)) {
|
|
const binding = this.getBinding(node.name);
|
|
|
|
if (binding && binding.constant && binding.path.isGenericType("Array")) {
|
|
return node;
|
|
}
|
|
}
|
|
|
|
if (t().isArrayExpression(node)) {
|
|
return node;
|
|
}
|
|
|
|
if (t().isIdentifier(node, {
|
|
name: "arguments"
|
|
})) {
|
|
return t().callExpression(t().memberExpression(t().memberExpression(t().memberExpression(t().identifier("Array"), t().identifier("prototype")), t().identifier("slice")), t().identifier("call")), [node]);
|
|
}
|
|
|
|
let helperName;
|
|
const args = [node];
|
|
|
|
if (i === true) {
|
|
helperName = "toConsumableArray";
|
|
} else if (i) {
|
|
args.push(t().numericLiteral(i));
|
|
helperName = "slicedToArray";
|
|
} else {
|
|
helperName = "toArray";
|
|
}
|
|
|
|
return t().callExpression(this.hub.addHelper(helperName), args);
|
|
}
|
|
|
|
hasLabel(name) {
|
|
return !!this.getLabel(name);
|
|
}
|
|
|
|
getLabel(name) {
|
|
return this.labels.get(name);
|
|
}
|
|
|
|
registerLabel(path) {
|
|
this.labels.set(path.node.label.name, path);
|
|
}
|
|
|
|
registerDeclaration(path) {
|
|
if (path.isLabeledStatement()) {
|
|
this.registerLabel(path);
|
|
} else if (path.isFunctionDeclaration()) {
|
|
this.registerBinding("hoisted", path.get("id"), path);
|
|
} else if (path.isVariableDeclaration()) {
|
|
const declarations = path.get("declarations");
|
|
|
|
for (const declar of declarations) {
|
|
this.registerBinding(path.node.kind, declar);
|
|
}
|
|
} else if (path.isClassDeclaration()) {
|
|
this.registerBinding("let", path);
|
|
} else if (path.isImportDeclaration()) {
|
|
const specifiers = path.get("specifiers");
|
|
|
|
for (const specifier of specifiers) {
|
|
this.registerBinding("module", specifier);
|
|
}
|
|
} else if (path.isExportDeclaration()) {
|
|
const declar = path.get("declaration");
|
|
|
|
if (declar.isClassDeclaration() || declar.isFunctionDeclaration() || declar.isVariableDeclaration()) {
|
|
this.registerDeclaration(declar);
|
|
}
|
|
} else {
|
|
this.registerBinding("unknown", path);
|
|
}
|
|
}
|
|
|
|
buildUndefinedNode() {
|
|
if (this.hasBinding("undefined")) {
|
|
return t().unaryExpression("void", t().numericLiteral(0), true);
|
|
} else {
|
|
return t().identifier("undefined");
|
|
}
|
|
}
|
|
|
|
registerConstantViolation(path) {
|
|
const ids = path.getBindingIdentifiers();
|
|
|
|
for (const name of Object.keys(ids)) {
|
|
const binding = this.getBinding(name);
|
|
if (binding) binding.reassign(path);
|
|
}
|
|
}
|
|
|
|
registerBinding(kind, path, bindingPath = path) {
|
|
if (!kind) throw new ReferenceError("no `kind`");
|
|
|
|
if (path.isVariableDeclaration()) {
|
|
const declarators = path.get("declarations");
|
|
|
|
for (const declar of declarators) {
|
|
this.registerBinding(kind, declar);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const parent = this.getProgramParent();
|
|
const ids = path.getOuterBindingIdentifiers(true);
|
|
|
|
for (const name of Object.keys(ids)) {
|
|
for (const id of ids[name]) {
|
|
const local = this.getOwnBinding(name);
|
|
|
|
if (local) {
|
|
if (local.identifier === id) continue;
|
|
this.checkBlockScopedCollisions(local, kind, name, id);
|
|
}
|
|
|
|
parent.references[name] = true;
|
|
|
|
if (local) {
|
|
this.registerConstantViolation(bindingPath);
|
|
} else {
|
|
this.bindings[name] = new _binding.default({
|
|
identifier: id,
|
|
scope: this,
|
|
path: bindingPath,
|
|
kind: kind
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
addGlobal(node) {
|
|
this.globals[node.name] = node;
|
|
}
|
|
|
|
hasUid(name) {
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.uids[name]) return true;
|
|
} while (scope = scope.parent);
|
|
|
|
return false;
|
|
}
|
|
|
|
hasGlobal(name) {
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.globals[name]) return true;
|
|
} while (scope = scope.parent);
|
|
|
|
return false;
|
|
}
|
|
|
|
hasReference(name) {
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.references[name]) return true;
|
|
} while (scope = scope.parent);
|
|
|
|
return false;
|
|
}
|
|
|
|
isPure(node, constantsOnly) {
|
|
if (t().isIdentifier(node)) {
|
|
const binding = this.getBinding(node.name);
|
|
if (!binding) return false;
|
|
if (constantsOnly) return binding.constant;
|
|
return true;
|
|
} else if (t().isClass(node)) {
|
|
if (node.superClass && !this.isPure(node.superClass, constantsOnly)) {
|
|
return false;
|
|
}
|
|
|
|
return this.isPure(node.body, constantsOnly);
|
|
} else if (t().isClassBody(node)) {
|
|
for (const method of node.body) {
|
|
if (!this.isPure(method, constantsOnly)) return false;
|
|
}
|
|
|
|
return true;
|
|
} else if (t().isBinary(node)) {
|
|
return this.isPure(node.left, constantsOnly) && this.isPure(node.right, constantsOnly);
|
|
} else if (t().isArrayExpression(node)) {
|
|
for (const elem of node.elements) {
|
|
if (!this.isPure(elem, constantsOnly)) return false;
|
|
}
|
|
|
|
return true;
|
|
} else if (t().isObjectExpression(node)) {
|
|
for (const prop of node.properties) {
|
|
if (!this.isPure(prop, constantsOnly)) return false;
|
|
}
|
|
|
|
return true;
|
|
} else if (t().isClassMethod(node)) {
|
|
if (node.computed && !this.isPure(node.key, constantsOnly)) return false;
|
|
if (node.kind === "get" || node.kind === "set") return false;
|
|
return true;
|
|
} else if (t().isProperty(node)) {
|
|
if (node.computed && !this.isPure(node.key, constantsOnly)) return false;
|
|
return this.isPure(node.value, constantsOnly);
|
|
} else if (t().isUnaryExpression(node)) {
|
|
return this.isPure(node.argument, constantsOnly);
|
|
} else if (t().isTaggedTemplateExpression(node)) {
|
|
return t().matchesPattern(node.tag, "String.raw") && !this.hasBinding("String", true) && this.isPure(node.quasi, constantsOnly);
|
|
} else if (t().isTemplateLiteral(node)) {
|
|
for (const expression of node.expressions) {
|
|
if (!this.isPure(expression, constantsOnly)) return false;
|
|
}
|
|
|
|
return true;
|
|
} else {
|
|
return t().isPureish(node);
|
|
}
|
|
}
|
|
|
|
setData(key, val) {
|
|
return this.data[key] = val;
|
|
}
|
|
|
|
getData(key) {
|
|
let scope = this;
|
|
|
|
do {
|
|
const data = scope.data[key];
|
|
if (data != null) return data;
|
|
} while (scope = scope.parent);
|
|
}
|
|
|
|
removeData(key) {
|
|
let scope = this;
|
|
|
|
do {
|
|
const data = scope.data[key];
|
|
if (data != null) scope.data[key] = null;
|
|
} while (scope = scope.parent);
|
|
}
|
|
|
|
init() {
|
|
if (!this.references) this.crawl();
|
|
}
|
|
|
|
crawl() {
|
|
const path = this.path;
|
|
this.references = Object.create(null);
|
|
this.bindings = Object.create(null);
|
|
this.globals = Object.create(null);
|
|
this.uids = Object.create(null);
|
|
this.data = Object.create(null);
|
|
|
|
if (path.isLoop()) {
|
|
for (const key of t().FOR_INIT_KEYS) {
|
|
const node = path.get(key);
|
|
if (node.isBlockScoped()) this.registerBinding(node.node.kind, node);
|
|
}
|
|
}
|
|
|
|
if (path.isFunctionExpression() && path.has("id")) {
|
|
if (!path.get("id").node[t().NOT_LOCAL_BINDING]) {
|
|
this.registerBinding("local", path.get("id"), path);
|
|
}
|
|
}
|
|
|
|
if (path.isClassExpression() && path.has("id")) {
|
|
if (!path.get("id").node[t().NOT_LOCAL_BINDING]) {
|
|
this.registerBinding("local", path);
|
|
}
|
|
}
|
|
|
|
if (path.isFunction()) {
|
|
const params = path.get("params");
|
|
|
|
for (const param of params) {
|
|
this.registerBinding("param", param);
|
|
}
|
|
}
|
|
|
|
if (path.isCatchClause()) {
|
|
this.registerBinding("let", path);
|
|
}
|
|
|
|
const parent = this.getProgramParent();
|
|
if (parent.crawling) return;
|
|
const state = {
|
|
references: [],
|
|
constantViolations: [],
|
|
assignments: []
|
|
};
|
|
this.crawling = true;
|
|
path.traverse(collectorVisitor, state);
|
|
this.crawling = false;
|
|
|
|
for (const path of state.assignments) {
|
|
const ids = path.getBindingIdentifiers();
|
|
let programParent;
|
|
|
|
for (const name of Object.keys(ids)) {
|
|
if (path.scope.getBinding(name)) continue;
|
|
programParent = programParent || path.scope.getProgramParent();
|
|
programParent.addGlobal(ids[name]);
|
|
}
|
|
|
|
path.scope.registerConstantViolation(path);
|
|
}
|
|
|
|
for (const ref of state.references) {
|
|
const binding = ref.scope.getBinding(ref.node.name);
|
|
|
|
if (binding) {
|
|
binding.reference(ref);
|
|
} else {
|
|
ref.scope.getProgramParent().addGlobal(ref.node);
|
|
}
|
|
}
|
|
|
|
for (const path of state.constantViolations) {
|
|
path.scope.registerConstantViolation(path);
|
|
}
|
|
}
|
|
|
|
push(opts) {
|
|
let path = this.path;
|
|
|
|
if (!path.isBlockStatement() && !path.isProgram()) {
|
|
path = this.getBlockParent().path;
|
|
}
|
|
|
|
if (path.isSwitchStatement()) {
|
|
path = (this.getFunctionParent() || this.getProgramParent()).path;
|
|
}
|
|
|
|
if (path.isLoop() || path.isCatchClause() || path.isFunction()) {
|
|
path.ensureBlock();
|
|
path = path.get("body");
|
|
}
|
|
|
|
const unique = opts.unique;
|
|
const kind = opts.kind || "var";
|
|
const blockHoist = opts._blockHoist == null ? 2 : opts._blockHoist;
|
|
const dataKey = `declaration:${kind}:${blockHoist}`;
|
|
let declarPath = !unique && path.getData(dataKey);
|
|
|
|
if (!declarPath) {
|
|
const declar = t().variableDeclaration(kind, []);
|
|
declar._blockHoist = blockHoist;
|
|
[declarPath] = path.unshiftContainer("body", [declar]);
|
|
if (!unique) path.setData(dataKey, declarPath);
|
|
}
|
|
|
|
const declarator = t().variableDeclarator(opts.id, opts.init);
|
|
declarPath.node.declarations.push(declarator);
|
|
this.registerBinding(kind, declarPath.get("declarations").pop());
|
|
}
|
|
|
|
getProgramParent() {
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.path.isProgram()) {
|
|
return scope;
|
|
}
|
|
} while (scope = scope.parent);
|
|
|
|
throw new Error("Couldn't find a Program");
|
|
}
|
|
|
|
getFunctionParent() {
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.path.isFunctionParent()) {
|
|
return scope;
|
|
}
|
|
} while (scope = scope.parent);
|
|
|
|
return null;
|
|
}
|
|
|
|
getBlockParent() {
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.path.isBlockParent()) {
|
|
return scope;
|
|
}
|
|
} while (scope = scope.parent);
|
|
|
|
throw new Error("We couldn't find a BlockStatement, For, Switch, Function, Loop or Program...");
|
|
}
|
|
|
|
getAllBindings() {
|
|
const ids = Object.create(null);
|
|
let scope = this;
|
|
|
|
do {
|
|
(0, _defaults().default)(ids, scope.bindings);
|
|
scope = scope.parent;
|
|
} while (scope);
|
|
|
|
return ids;
|
|
}
|
|
|
|
getAllBindingsOfKind() {
|
|
const ids = Object.create(null);
|
|
|
|
for (const kind of arguments) {
|
|
let scope = this;
|
|
|
|
do {
|
|
for (const name of Object.keys(scope.bindings)) {
|
|
const binding = scope.bindings[name];
|
|
if (binding.kind === kind) ids[name] = binding;
|
|
}
|
|
|
|
scope = scope.parent;
|
|
} while (scope);
|
|
}
|
|
|
|
return ids;
|
|
}
|
|
|
|
bindingIdentifierEquals(name, node) {
|
|
return this.getBindingIdentifier(name) === node;
|
|
}
|
|
|
|
getBinding(name) {
|
|
let scope = this;
|
|
|
|
do {
|
|
const binding = scope.getOwnBinding(name);
|
|
if (binding) return binding;
|
|
} while (scope = scope.parent);
|
|
}
|
|
|
|
getOwnBinding(name) {
|
|
return this.bindings[name];
|
|
}
|
|
|
|
getBindingIdentifier(name) {
|
|
const info = this.getBinding(name);
|
|
return info && info.identifier;
|
|
}
|
|
|
|
getOwnBindingIdentifier(name) {
|
|
const binding = this.bindings[name];
|
|
return binding && binding.identifier;
|
|
}
|
|
|
|
hasOwnBinding(name) {
|
|
return !!this.getOwnBinding(name);
|
|
}
|
|
|
|
hasBinding(name, noGlobals) {
|
|
if (!name) return false;
|
|
if (this.hasOwnBinding(name)) return true;
|
|
if (this.parentHasBinding(name, noGlobals)) return true;
|
|
if (this.hasUid(name)) return true;
|
|
if (!noGlobals && (0, _includes().default)(Scope.globals, name)) return true;
|
|
if (!noGlobals && (0, _includes().default)(Scope.contextVariables, name)) return true;
|
|
return false;
|
|
}
|
|
|
|
parentHasBinding(name, noGlobals) {
|
|
return this.parent && this.parent.hasBinding(name, noGlobals);
|
|
}
|
|
|
|
moveBindingTo(name, scope) {
|
|
const info = this.getBinding(name);
|
|
|
|
if (info) {
|
|
info.scope.removeOwnBinding(name);
|
|
info.scope = scope;
|
|
scope.bindings[name] = info;
|
|
}
|
|
}
|
|
|
|
removeOwnBinding(name) {
|
|
delete this.bindings[name];
|
|
}
|
|
|
|
removeBinding(name) {
|
|
const info = this.getBinding(name);
|
|
|
|
if (info) {
|
|
info.scope.removeOwnBinding(name);
|
|
}
|
|
|
|
let scope = this;
|
|
|
|
do {
|
|
if (scope.uids[name]) {
|
|
scope.uids[name] = false;
|
|
}
|
|
} while (scope = scope.parent);
|
|
}
|
|
|
|
}
|
|
|
|
exports.default = Scope;
|
|
Scope.globals = Object.keys(_globals().default.builtin);
|
|
Scope.contextVariables = ["arguments", "undefined", "Infinity", "NaN"]; |