// Acorn is a tiny, fast JavaScript parser written in JavaScript. // // Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and // various contributors and released under an MIT license. // // Git repositories for Acorn are available at // // marijnhaverbeke.nl/git/acorn // github.com/ternjs/acorn.git // // Please use the [github bug tracker] to report issues. // // [ghbt]: github.com/ternjs/acorn/issues // // This file defines the main parser interface. The library also comes // with a [error-tolerant parser] and an // [abstract syntax tree walker], defined in other files. // // [dammit]: acorn_loose.js // [walk]: util/walk.js
import {Parser} from “./state” import “./parseutil” import “./statement” import “./lval” import “./expression” import “./location”
export {Parser, plugins} from “./state” export {defaultOptions} from “./options” export {Position, SourceLocation, getLineInfo} from “./locutil” export {Node} from “./node” export {TokenType, types as tokTypes, keywords as keywordTypes} from “./tokentype” export {TokContext, types as tokContexts} from “./tokencontext” export {isIdentifierChar, isIdentifierStart} from “./identifier” export {Token} from “./tokenize” export {isNewLine, lineBreak, lineBreakG} from “./whitespace”
export const version = “4.0.11”
// The main exported interface (under `self.acorn` when in the // browser) is a `parse` function that takes a code string and // returns an abstract syntax tree as specified by [Mozilla parser // API]. // // [api]: developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
export function parse(input, options) {
return new Parser(options, input).parse()
}
// This function tries to parse a single expression at a given // offset in a string. Useful for parsing mixed-language formats // that embed JavaScript expressions.
export function parseExpressionAt(input, pos, options) {
let p = new Parser(options, input, pos) p.nextToken() return p.parseExpression()
}
// Acorn is organized as a tokenizer and a recursive-descent parser. // The `tokenizer` export provides an interface to the tokenizer.
export function tokenizer(input, options) {
return new Parser(options, input)
}
// This is a terrible kludge to support the existing, pre-ES6 // interface where the loose parser module retroactively adds exports // to this module. export let parse_dammit, LooseParser, pluginsLoose export function addLooseExports(parse, Parser, plugins) {
parse_dammit = parse LooseParser = Parser pluginsLoose = plugins
}