Nicolò Ribaudo 771c730fda
[parser] Disallow duplicate and undeclared private names (#10456)
* [parser] Add private names tracking to Scope

- Disallow duplicate private names
- Disallow undeclared private names

* Update tests

* Test all possible duplications

* Test undeclared private names

* Better error message for top-level private names

* Fix flow

* Update test262 whitelist

* Update fixtures

* Update flow whitelist

* Remove old output.json

* Move ClassScopeHandler to a separate class

* Make the code readable
2020-01-10 02:22:05 +01:00

36 lines
1001 B
JavaScript

// @flow
import type { Options } from "../options";
import type State from "../tokenizer/state";
import type { PluginsMap } from "./index";
import type ScopeHandler from "../util/scope";
import type ClassScopeHandler from "../util/class-scope";
export default class BaseParser {
// Properties set by constructor in index.js
options: Options;
inModule: boolean;
scope: ScopeHandler<*>;
classScope: ClassScopeHandler;
plugins: PluginsMap;
filename: ?string;
sawUnambiguousESM: boolean = false;
ambiguousScriptDifferentAst: boolean = false;
// Initialized by Tokenizer
state: State;
// input and length are not in state as they are constant and we do
// not want to ever copy them, which happens if state gets cloned
input: string;
length: number;
hasPlugin(name: string): boolean {
return this.plugins.has(name);
}
getPluginOption(plugin: string, name: string) {
// $FlowIssue
if (this.hasPlugin(plugin)) return this.plugins.get(plugin)[name];
}
}