79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
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// Acorn is a tiny, fast JavaScript parser written in JavaScript.
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//
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// Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and
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// various contributors and released under an MIT license.
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//
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// Git repositories for Acorn are available at
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//
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// http://marijnhaverbeke.nl/git/acorn
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// https://github.com/ternjs/acorn.git
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//
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// Please use the [github bug tracker][ghbt] to report issues.
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//
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// [ghbt]: https://github.com/ternjs/acorn/issues
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//
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// This file defines the main parser interface. The library also comes
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// with a [error-tolerant parser][dammit] and an
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// [abstract syntax tree walker][walk], defined in other files.
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//
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// [dammit]: acorn_loose.js
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// [walk]: util/walk.js
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import {Parser} from "./state"
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import "./parseutil"
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import "./statement"
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import "./lval"
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import "./expression"
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import "./location"
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import "./scope"
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export {Parser, plugins} from "./state"
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export {defaultOptions} from "./options"
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export {Position, SourceLocation, getLineInfo} from "./locutil"
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export {Node} from "./node"
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export {TokenType, types as tokTypes, keywords as keywordTypes} from "./tokentype"
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export {TokContext, types as tokContexts} from "./tokencontext"
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export {isIdentifierChar, isIdentifierStart} from "./identifier"
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export {Token} from "./tokenize"
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export {isNewLine, lineBreak, lineBreakG, nonASCIIwhitespace} from "./whitespace"
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export const version = "5.0.3"
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// The main exported interface (under `self.acorn` when in the
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// browser) is a `parse` function that takes a code string and
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// returns an abstract syntax tree as specified by [Mozilla parser
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// API][api].
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//
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// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
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export function parse(input, options) {
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return new Parser(options, input).parse()
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}
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// This function tries to parse a single expression at a given
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// offset in a string. Useful for parsing mixed-language formats
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// that embed JavaScript expressions.
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export function parseExpressionAt(input, pos, options) {
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let p = new Parser(options, input, pos)
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p.nextToken()
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return p.parseExpression()
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}
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// Acorn is organized as a tokenizer and a recursive-descent parser.
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// The `tokenizer` export provides an interface to the tokenizer.
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export function tokenizer(input, options) {
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return new Parser(options, input)
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}
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// This is a terrible kludge to support the existing, pre-ES6
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// interface where the loose parser module retroactively adds exports
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// to this module.
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export let parse_dammit, LooseParser, pluginsLoose // eslint-disable-line camelcase
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export function addLooseExports(parse, Parser, plugins) {
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parse_dammit = parse // eslint-disable-line camelcase
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LooseParser = Parser
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pluginsLoose = plugins
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}
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