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Diffstat (limited to 'node_modules/acorn/src/index.js')
-rw-r--r-- | node_modules/acorn/src/index.js | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/node_modules/acorn/src/index.js b/node_modules/acorn/src/index.js new file mode 100644 index 000000000..9c25d92ee --- /dev/null +++ b/node_modules/acorn/src/index.js @@ -0,0 +1,78 @@ +// 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 +// +// http://marijnhaverbeke.nl/git/acorn +// https://github.com/ternjs/acorn.git +// +// Please use the [github bug tracker][ghbt] to report issues. +// +// [ghbt]: https://github.com/ternjs/acorn/issues +// +// This file defines the main parser interface. The library also comes +// with a [error-tolerant parser][dammit] and an +// [abstract syntax tree walker][walk], 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" +import "./scope" + +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, nonASCIIwhitespace} from "./whitespace" + +export const version = "5.0.3" + +// 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]. +// +// [api]: https://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 // eslint-disable-line camelcase +export function addLooseExports(parse, Parser, plugins) { + parse_dammit = parse // eslint-disable-line camelcase + LooseParser = Parser + pluginsLoose = plugins +} |