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-Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. \ No newline at end of file diff --git a/node_modules/acorn-globals/README.md b/node_modules/acorn-globals/README.md deleted file mode 100644 index d8cd372..0000000 --- a/node_modules/acorn-globals/README.md +++ /dev/null @@ -1,76 +0,0 @@ -# acorn-globals - -Detect global variables in JavaScript using acorn - -[![Build Status](https://img.shields.io/travis/ForbesLindesay/acorn-globals/master.svg)](https://travis-ci.org/ForbesLindesay/acorn-globals) -[![Dependency Status](https://img.shields.io/david/ForbesLindesay/acorn-globals.svg)](https://david-dm.org/ForbesLindesay/acorn-globals) -[![NPM version](https://img.shields.io/npm/v/acorn-globals.svg)](https://www.npmjs.org/package/acorn-globals) - -## Installation - - npm install acorn-globals - -## Usage - -detect.js - -```js -var fs = require('fs'); -var detect = require('acorn-globals'); - -var src = fs.readFileSync(__dirname + '/input.js', 'utf8'); - -var scope = detect(src); -console.dir(scope); -``` - -input.js - -```js -var x = 5; -var y = 3, z = 2; - -w.foo(); -w = 2; - -RAWR=444; -RAWR.foo(); - -BLARG=3; - -foo(function () { - var BAR = 3; - process.nextTick(function (ZZZZZZZZZZZZ) { - console.log('beep boop'); - var xyz = 4; - x += 10; - x.zzzzzz; - ZZZ=6; - }); - function doom () { - } - ZZZ.foo(); - -}); - -console.log(xyz); -``` - -output: - -``` -$ node example/detect.js -[ { name: 'BLARG', nodes: [ [Object] ] }, - { name: 'RAWR', nodes: [ [Object], [Object] ] }, - { name: 'ZZZ', nodes: [ [Object], [Object] ] }, - { name: 'console', nodes: [ [Object], [Object] ] }, - { name: 'foo', nodes: [ [Object] ] }, - { name: 'process', nodes: [ [Object] ] }, - { name: 'w', nodes: [ [Object], [Object] ] }, - { name: 'xyz', nodes: [ [Object] ] } ] -``` - - -## License - - MIT diff --git a/node_modules/acorn-globals/index.js b/node_modules/acorn-globals/index.js deleted file mode 100644 index ff924c9..0000000 --- a/node_modules/acorn-globals/index.js +++ /dev/null @@ -1,180 +0,0 @@ -'use strict'; - -var acorn = require('acorn'); -var walk = require('acorn/dist/walk'); - -function isScope(node) { - return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration' || node.type === 'ArrowFunctionExpression' || node.type === 'Program'; -} -function isBlockScope(node) { - return node.type === 'BlockStatement' || isScope(node); -} - -function declaresArguments(node) { - return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration'; -} - -function declaresThis(node) { - return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration'; -} - -function reallyParse(source) { - try { - return acorn.parse(source, { - ecmaVersion: 6, - allowReturnOutsideFunction: true, - allowImportExportEverywhere: true, - allowHashBang: true - }); - } catch (ex) { - return acorn.parse(source, { - ecmaVersion: 5, - allowReturnOutsideFunction: true, - allowImportExportEverywhere: true, - allowHashBang: true - }); - } -} -module.exports = findGlobals; -module.exports.parse = reallyParse; -function findGlobals(source) { - var globals = []; - var ast; - // istanbul ignore else - if (typeof source === 'string') { - ast = reallyParse(source); - } else { - ast = source; - } - // istanbul ignore if - if (!(ast && typeof ast === 'object' && ast.type === 'Program')) { - throw new TypeError('Source must be either a string of JavaScript or an acorn AST'); - } - var declareFunction = function (node) { - var fn = node; - fn.locals = fn.locals || {}; - node.params.forEach(function (node) { - declarePattern(node, fn); - }); - if (node.id) { - fn.locals[node.id.name] = true; - } - } - var declarePattern = function (node, parent) { - switch (node.type) { - case 'Identifier': - parent.locals[node.name] = true; - break; - case 'ObjectPattern': - node.properties.forEach(function (node) { - declarePattern(node.value, parent); - }); - break; - case 'ArrayPattern': - node.elements.forEach(function (node) { - if (node) declarePattern(node, parent); - }); - break; - case 'RestElement': - declarePattern(node.argument, parent); - break; - case 'AssignmentPattern': - declarePattern(node.left, parent); - break; - // istanbul ignore next - default: - throw new Error('Unrecognized pattern type: ' + node.type); - } - } - var declareModuleSpecifier = function (node, parents) { - ast.locals = ast.locals || {}; - ast.locals[node.local.name] = true; - } - walk.ancestor(ast, { - 'VariableDeclaration': function (node, parents) { - var parent = null; - for (var i = parents.length - 1; i >= 0 && parent === null; i--) { - if (node.kind === 'var' ? isScope(parents[i]) : isBlockScope(parents[i])) { - parent = parents[i]; - } - } - parent.locals = parent.locals || {}; - node.declarations.forEach(function (declaration) { - declarePattern(declaration.id, parent); - }); - }, - 'FunctionDeclaration': function (node, parents) { - var parent = null; - for (var i = parents.length - 2; i >= 0 && parent === null; i--) { - if (isScope(parents[i])) { - parent = parents[i]; - } - } - parent.locals = parent.locals || {}; - parent.locals[node.id.name] = true; - declareFunction(node); - }, - 'Function': declareFunction, - 'ClassDeclaration': function (node, parents) { - var parent = null; - for (var i = parents.length - 2; i >= 0 && parent === null; i--) { - if (isScope(parents[i])) { - parent = parents[i]; - } - } - parent.locals = parent.locals || {}; - parent.locals[node.id.name] = true; - }, - 'TryStatement': function (node) { - if (node.handler === null) return; - node.handler.body.locals = node.handler.body.locals || {}; - node.handler.body.locals[node.handler.param.name] = true; - }, - 'ImportDefaultSpecifier': declareModuleSpecifier, - 'ImportSpecifier': declareModuleSpecifier, - 'ImportNamespaceSpecifier': declareModuleSpecifier - }); - function identifier(node, parents) { - var name = node.name; - if (name === 'undefined') return; - for (var i = 0; i < parents.length; i++) { - if (name === 'arguments' && declaresArguments(parents[i])) { - return; - } - if (parents[i].locals && name in parents[i].locals) { - return; - } - } - if ( - parents[parents.length - 2] && - parents[parents.length - 2].type === 'TryStatement' && - parents[parents.length - 2].handler && - node === parents[parents.length - 2].handler.param - ) { - return; - } - node.parents = parents; - globals.push(node); - } - walk.ancestor(ast, { - 'VariablePattern': identifier, - 'Identifier': identifier, - 'ThisExpression': function (node, parents) { - for (var i = 0; i < parents.length; i++) { - if (declaresThis(parents[i])) { - return; - } - } - node.parents = parents; - globals.push(node); - } - }); - var groupedGlobals = {}; - globals.forEach(function (node) { - groupedGlobals[node.name] = (groupedGlobals[node.name] || []); - groupedGlobals[node.name].push(node); - }); - return Object.keys(groupedGlobals).sort().map(function (name) { - return {name: name, nodes: groupedGlobals[name]}; - }); -} diff --git a/node_modules/acorn-globals/node_modules/.bin/acorn b/node_modules/acorn-globals/node_modules/.bin/acorn deleted file mode 120000 index fa65fee..0000000 --- a/node_modules/acorn-globals/node_modules/.bin/acorn +++ /dev/null @@ -1 +0,0 @@ -../../../acorn/bin/acorn \ No newline at end of file diff --git a/node_modules/acorn-globals/package.json b/node_modules/acorn-globals/package.json deleted file mode 100644 index 6d0db56..0000000 --- a/node_modules/acorn-globals/package.json +++ /dev/null @@ -1,34 +0,0 @@ -{ - "name": "acorn-globals", - "version": "1.0.9", - "description": "Detect global variables in JavaScript using acorn", - "keywords": [ - "ast", - "variable", - "name", - "lexical", - "scope", - "local", - "global", - "implicit" - ], - "files": [ - "index.js", - "LICENSE" - ], - "dependencies": { - "acorn": "^2.1.0" - }, - "devDependencies": { - "testit": "^2.0.2" - }, - "scripts": { - "test": "node test" - }, - "repository": { - "type": "git", - "url": "https://github.com/ForbesLindesay/acorn-globals.git" - }, - "author": "ForbesLindesay", - "license": "MIT" -} \ No newline at end of file diff --git a/node_modules/acorn/.editorconfig b/node_modules/acorn/.editorconfig deleted file mode 100644 index c14d5c6..0000000 --- a/node_modules/acorn/.editorconfig +++ /dev/null @@ -1,7 +0,0 @@ -root = true - -[*] -indent_style = space -indent_size = 2 -end_of_line = lf -insert_final_newline = true diff --git a/node_modules/acorn/.gitattributes b/node_modules/acorn/.gitattributes deleted file mode 100644 index fcadb2c..0000000 --- a/node_modules/acorn/.gitattributes +++ /dev/null @@ -1 +0,0 @@ -* text eol=lf diff --git a/node_modules/acorn/.npmignore b/node_modules/acorn/.npmignore deleted file mode 100644 index ecba291..0000000 --- a/node_modules/acorn/.npmignore +++ /dev/null @@ -1,3 +0,0 @@ -/.tern-port -/test -/local diff --git a/node_modules/acorn/.tern-project b/node_modules/acorn/.tern-project deleted file mode 100644 index 6718ce0..0000000 --- a/node_modules/acorn/.tern-project +++ /dev/null @@ -1,6 +0,0 @@ -{ - "plugins": { - "node": true, - "es_modules": true - } -} \ No newline at end of file diff --git a/node_modules/acorn/.travis.yml b/node_modules/acorn/.travis.yml deleted file mode 100644 index f50c379..0000000 --- a/node_modules/acorn/.travis.yml +++ /dev/null @@ -1,6 +0,0 @@ -language: node_js -sudo: false -node_js: - - '0.10' - - '0.12' - - '4' diff --git a/node_modules/acorn/AUTHORS b/node_modules/acorn/AUTHORS deleted file mode 100644 index 0e8f48b..0000000 --- a/node_modules/acorn/AUTHORS +++ /dev/null @@ -1,43 +0,0 @@ -List of Acorn contributors. Updated before every release. - -Adrian Rakovsky -Alistair Braidwood -Andres Suarez -Aparajita Fishman -Arian Stolwijk -Artem Govorov -Brandon Mills -Charles Hughes -Conrad Irwin -David Bonnet -ForbesLindesay -Forbes Lindesay -Gilad Peleg -impinball -Ingvar Stepanyan -Jesse McCarthy -Jiaxing Wang -Joel Kemp -Johannes Herr -Jürg Lehni -keeyipchan -Kevin Kwok -krator -Marijn Haverbeke -Martin Carlberg -Mathias Bynens -Mathieu 'p01' Henri -Max Schaefer -Max Zerzouri -Mihai Bazon -Mike Rennie -Nick Fitzgerald -Oskar Schöldström -Paul Harper -Peter Rust -PlNG -r-e-d -Rich Harris -Sebastian McKenzie -Timothy Gu -zsjforcn diff --git a/node_modules/acorn/LICENSE b/node_modules/acorn/LICENSE deleted file mode 100644 index d4c7fc5..0000000 --- a/node_modules/acorn/LICENSE +++ /dev/null @@ -1,19 +0,0 @@ -Copyright (C) 2012-2014 by various contributors (see AUTHORS) - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. diff --git a/node_modules/acorn/README.md b/node_modules/acorn/README.md deleted file mode 100644 index acd39a8..0000000 --- a/node_modules/acorn/README.md +++ /dev/null @@ -1,396 +0,0 @@ -# Acorn - -[![Build Status](https://travis-ci.org/ternjs/acorn.svg?branch=master)](https://travis-ci.org/ternjs/acorn) -[![NPM version](https://img.shields.io/npm/v/acorn.svg)](https://www.npmjs.com/package/acorn) -[Author funding status: ![maintainer happiness](https://marijnhaverbeke.nl/fund/status_s.png?force)](https://marijnhaverbeke.nl/fund/) - -A tiny, fast JavaScript parser, written completely in JavaScript. - -## Community - -Acorn is open source software released under an -[MIT license](https://github.com/ternjs/acorn/blob/master/LICENSE). - -You are welcome to -[report bugs](https://github.com/ternjs/acorn/issues) or create pull -requests on [github](https://github.com/ternjs/acorn). For questions -and discussion, please use the -[Tern discussion forum](https://discuss.ternjs.net). - -## Installation - -The easiest way to install acorn is with [`npm`][npm]. - -[npm]: https://www.npmjs.com/ - -```sh -npm install acorn -``` - -Alternately, download the source. - -```sh -git clone https://github.com/ternjs/acorn.git -``` - -## Components - -When run in a CommonJS (node.js) or AMD environment, exported values -appear in the interfaces exposed by the individual files, as usual. -When loaded in the browser (Acorn works in any JS-enabled browser more -recent than IE5) without any kind of module management, a single -global object `acorn` will be defined, and all the exported properties -will be added to that. - -### Main parser - -This is implemented in `dist/acorn.js`, and is what you get when you -`require("acorn")` in node.js. - -**parse**`(input, options)` is used to parse a JavaScript program. -The `input` parameter is a string, `options` can be undefined or an -object setting some of the options listed below. The return value will -be an abstract syntax tree object as specified by the -[ESTree spec][estree]. - -When encountering a syntax error, the parser will raise a -`SyntaxError` object with a meaningful message. The error object will -have a `pos` property that indicates the character offset at which the -error occurred, and a `loc` object that contains a `{line, column}` -object referring to that same position. - -[estree]: https://github.com/estree/estree - -- **ecmaVersion**: Indicates the ECMAScript version to parse. Must be - either 3, 5, or 6. This influences support for strict mode, the set - of reserved words, and support for new syntax features. Default is 5. - -- **sourceType**: Indicate the mode the code should be parsed in. Can be - either `"script"` or `"module"`. - -- **onInsertedSemicolon**: If given a callback, that callback will be - called whenever a missing semicolon is inserted by the parser. The - callback will be given the character offset of the point where the - semicolon is inserted as argument, and if `locations` is on, also a - `{line, column}` object representing this position. - -- **onTrailingComma**: Like `onInsertedSemicolon`, but for trailing - commas. - -- **allowReserved**: If `false`, using a reserved word will generate - an error. Defaults to `true` for `ecmaVersion` 3, `false` for higher - versions. When given the value `"never"`, reserved words and - keywords can also not be used as property names (as in Internet - Explorer's old parser). - -- **allowReturnOutsideFunction**: By default, a return statement at - the top level raises an error. Set this to `true` to accept such - code. - -- **allowImportExportEverywhere**: By default, `import` and `export` - declarations can only appear at a program's top level. Setting this - option to `true` allows them anywhere where a statement is allowed. - -- **allowHashBang**: When this is enabled (off by default), if the - code starts with the characters `#!` (as in a shellscript), the - first line will be treated as a comment. - -- **locations**: When `true`, each node has a `loc` object attached - with `start` and `end` subobjects, each of which contains the - one-based line and zero-based column numbers in `{line, column}` - form. Default is `false`. - -- **onToken**: If a function is passed for this option, each found - token will be passed in same format as tokens returned from - `tokenizer().getToken()`. - - If array is passed, each found token is pushed to it. - - Note that you are not allowed to call the parser from the - callback—that will corrupt its internal state. - -- **onComment**: If a function is passed for this option, whenever a - comment is encountered the function will be called with the - following parameters: - - - `block`: `true` if the comment is a block comment, false if it - is a line comment. - - `text`: The content of the comment. - - `start`: Character offset of the start of the comment. - - `end`: Character offset of the end of the comment. - - When the `locations` options is on, the `{line, column}` locations - of the comment’s start and end are passed as two additional - parameters. - - If array is passed for this option, each found comment is pushed - to it as object in Esprima format: - - ```javascript - { - "type": "Line" | "Block", - "value": "comment text", - "start": Number, - "end": Number, - // If `locations` option is on: - "loc": { - "start": {line: Number, column: Number} - "end": {line: Number, column: Number} - }, - // If `ranges` option is on: - "range": [Number, Number] - } - ``` - - Note that you are not allowed to call the parser from the - callback—that will corrupt its internal state. - -- **ranges**: Nodes have their start and end characters offsets - recorded in `start` and `end` properties (directly on the node, - rather than the `loc` object, which holds line/column data. To also - add a [semi-standardized][range] `range` property holding a - `[start, end]` array with the same numbers, set the `ranges` option - to `true`. - -- **program**: It is possible to parse multiple files into a single - AST by passing the tree produced by parsing the first file as the - `program` option in subsequent parses. This will add the toplevel - forms of the parsed file to the "Program" (top) node of an existing - parse tree. - -- **sourceFile**: When the `locations` option is `true`, you can pass - this option to add a `source` attribute in every node’s `loc` - object. Note that the contents of this option are not examined or - processed in any way; you are free to use whatever format you - choose. - -- **directSourceFile**: Like `sourceFile`, but a `sourceFile` property - will be added directly to the nodes, rather than the `loc` object. - -- **preserveParens**: If this option is `true`, parenthesized expressions - are represented by (non-standard) `ParenthesizedExpression` nodes - that have a single `expression` property containing the expression - inside parentheses. - -[range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678 - -**parseExpressionAt**`(input, offset, options)` will parse a single -expression in a string, and return its AST. It will not complain if -there is more of the string left after the expression. - -**getLineInfo**`(input, offset)` can be used to get a `{line, -column}` object for a given program string and character offset. - -**tokenizer**`(input, options)` returns an object with a `getToken` -method that can be called repeatedly to get the next token, a `{start, -end, type, value}` object (with added `loc` property when the -`locations` option is enabled and `range` property when the `ranges` -option is enabled). When the token's type is `tokTypes.eof`, you -should stop calling the method, since it will keep returning that same -token forever. - -In ES6 environment, returned result can be used as any other -protocol-compliant iterable: - -```javascript -for (let token of acorn.tokenizer(str)) { - // iterate over the tokens -} - -// transform code to array of tokens: -var tokens = [...acorn.tokenizer(str)]; -``` - -**tokTypes** holds an object mapping names to the token type objects -that end up in the `type` properties of tokens. - -#### Note on using with [Escodegen][escodegen] - -Escodegen supports generating comments from AST, attached in -Esprima-specific format. In order to simulate same format in -Acorn, consider following example: - -```javascript -var comments = [], tokens = []; - -var ast = acorn.parse('var x = 42; // answer', { - // collect ranges for each node - ranges: true, - // collect comments in Esprima's format - onComment: comments, - // collect token ranges - onToken: tokens -}); - -// attach comments using collected information -escodegen.attachComments(ast, comments, tokens); - -// generate code -console.log(escodegen.generate(ast, {comment: true})); -// > 'var x = 42; // answer' -``` - -[escodegen]: https://github.com/estools/escodegen - -### dist/acorn_loose.js ### - -This file implements an error-tolerant parser. It exposes a single -function. The loose parser is accessible in node.js via `require("acorn/dist/acorn_loose")`. - -**parse_dammit**`(input, options)` takes the same arguments and -returns the same syntax tree as the `parse` function in `acorn.js`, -but never raises an error, and will do its best to parse syntactically -invalid code in as meaningful a way as it can. It'll insert identifier -nodes with name `"✖"` as placeholders in places where it can't make -sense of the input. Depends on `acorn.js`, because it uses the same -tokenizer. - -### dist/walk.js ### - -Implements an abstract syntax tree walker. Will store its interface in -`acorn.walk` when loaded without a module system. - -**simple**`(node, visitors, base, state)` does a 'simple' walk over -a tree. `node` should be the AST node to walk, and `visitors` an -object with properties whose names correspond to node types in the -[ESTree spec][estree]. The properties should contain functions -that will be called with the node object and, if applicable the state -at that point. The last two arguments are optional. `base` is a walker -algorithm, and `state` is a start state. The default walker will -simply visit all statements and expressions and not produce a -meaningful state. (An example of a use of state is to track scope at -each point in the tree.) - -**ancestor**`(node, visitors, base, state)` does a 'simple' walk over -a tree, building up an array of ancestor nodes (including the current node) -and passing the array to callbacks in the `state` parameter. - -**recursive**`(node, state, functions, base)` does a 'recursive' -walk, where the walker functions are responsible for continuing the -walk on the child nodes of their target node. `state` is the start -state, and `functions` should contain an object that maps node types -to walker functions. Such functions are called with `(node, state, c)` -arguments, and can cause the walk to continue on a sub-node by calling -the `c` argument on it with `(node, state)` arguments. The optional -`base` argument provides the fallback walker functions for node types -that aren't handled in the `functions` object. If not given, the -default walkers will be used. - -**make**`(functions, base)` builds a new walker object by using the -walker functions in `functions` and filling in the missing ones by -taking defaults from `base`. - -**findNodeAt**`(node, start, end, test, base, state)` tries to -locate a node in a tree at the given start and/or end offsets, which -satisfies the predicate `test`. `start` and `end` can be either `null` -(as wildcard) or a number. `test` may be a string (indicating a node -type) or a function that takes `(nodeType, node)` arguments and -returns a boolean indicating whether this node is interesting. `base` -and `state` are optional, and can be used to specify a custom walker. -Nodes are tested from inner to outer, so if two nodes match the -boundaries, the inner one will be preferred. - -**findNodeAround**`(node, pos, test, base, state)` is a lot like -`findNodeAt`, but will match any node that exists 'around' (spanning) -the given position. - -**findNodeAfter**`(node, pos, test, base, state)` is similar to -`findNodeAround`, but will match all nodes *after* the given position -(testing outer nodes before inner nodes). - -## Command line interface - -The `bin/acorn` utility can be used to parse a file from the command -line. It accepts as arguments its input file and the following -options: - -- `--ecma3|--ecma5|--ecma6`: Sets the ECMAScript version to parse. Default is - version 5. - -- `--module`: Sets the parsing mode to `"module"`. Is set to `"script"` otherwise. - -- `--locations`: Attaches a "loc" object to each node with "start" and - "end" subobjects, each of which contains the one-based line and - zero-based column numbers in `{line, column}` form. - -- `--allow-hash-bang`: If the code starts with the characters #! (as in a shellscript), the first line will be treated as a comment. - -- `--compact`: No whitespace is used in the AST output. - -- `--silent`: Do not output the AST, just return the exit status. - -- `--help`: Print the usage information and quit. - -The utility spits out the syntax tree as JSON data. - -## Build system - -Acorn is written in ECMAScript 6, as a set of small modules, in the -project's `src` directory, and compiled down to bigger ECMAScript 3 -files in `dist` using [Browserify](http://browserify.org) and -[Babel](http://babeljs.io/). If you are already using Babel, you can -consider including the modules directly. - -The command-line test runner (`npm test`) uses the ES6 modules. The -browser-based test page (`test/index.html`) uses the compiled modules. -The `bin/build-acorn.js` script builds the latter from the former. - -If you are working on Acorn, you'll probably want to try the code out -directly, without an intermediate build step. In your scripts, you can -register the Babel require shim like this: - - require("babel-core/register") - -That will allow you to directly `require` the ES6 modules. - -## Plugins - -Acorn is designed support allow plugins which, within reasonable -bounds, redefine the way the parser works. Plugins can add new token -types and new tokenizer contexts (if necessary), and extend methods in -the parser object. This is not a clean, elegant API—using it requires -an understanding of Acorn's internals, and plugins are likely to break -whenever those internals are significantly changed. But still, it is -_possible_, in this way, to create parsers for JavaScript dialects -without forking all of Acorn. And in principle it is even possible to -combine such plugins, so that if you have, for example, a plugin for -parsing types and a plugin for parsing JSX-style XML literals, you -could load them both and parse code with both JSX tags and types. - -A plugin should register itself by adding a property to -`acorn.plugins`, which holds a function. Calling `acorn.parse`, a -`plugins` option can be passed, holding an object mapping plugin names -to configuration values (or just `true` for plugins that don't take -options). After the parser object has been created, the initialization -functions for the chosen plugins are called with `(parser, -configValue)` arguments. They are expected to use the `parser.extend` -method to extend parser methods. For example, the `readToken` method -could be extended like this: - -```javascript -parser.extend("readToken", function(nextMethod) { - return function(code) { - console.log("Reading a token!") - return nextMethod.call(this, code) - } -}) -``` - -The `nextMethod` argument passed to `extend`'s second argument is the -previous value of this method, and should usually be called through to -whenever the extended method does not handle the call itself. - -Similarly, the loose parser allows plugins to register themselves via -`acorn.pluginsLoose`. The extension mechanism is the same as for the -normal parser: - -```javascript -looseParser.extend("readToken", function(nextMethod) { - return function() { - console.log("Reading a token in the loose parser!") - return nextMethod.call(this) - } -}) -``` - -There is a proof-of-concept JSX plugin in the [`acorn-jsx`](https://github.com/RReverser/acorn-jsx) project. diff --git a/node_modules/acorn/bin/acorn b/node_modules/acorn/bin/acorn deleted file mode 100755 index db07909..0000000 --- a/node_modules/acorn/bin/acorn +++ /dev/null @@ -1,71 +0,0 @@ -#!/usr/bin/env node -"use strict"; - -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)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } } - -var _path = require("path"); - -var _fs = require("fs"); - -var _distAcornJs = require("../dist/acorn.js"); - -var acorn = _interopRequireWildcard(_distAcornJs); - -var infile = undefined, - forceFile = undefined, - silent = false, - compact = false, - tokenize = false; -var options = {}; - -function help(status) { - var print = status == 0 ? console.log : console.error; - print("usage: " + (0, _path.basename)(process.argv[1]) + " [--ecma3|--ecma5|--ecma6]"); - print(" [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]"); - process.exit(status); -} - -for (var i = 2; i < process.argv.length; ++i) { - var arg = process.argv[i]; - if ((arg == "-" || arg[0] != "-") && !infile) infile = arg;else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i];else if (arg == "--ecma3") options.ecmaVersion = 3;else if (arg == "--ecma5") options.ecmaVersion = 5;else if (arg == "--ecma6") options.ecmaVersion = 6;else if (arg == "--locations") options.locations = true;else if (arg == "--allow-hash-bang") options.allowHashBang = true;else if (arg == "--silent") silent = true;else if (arg == "--compact") compact = true;else if (arg == "--help") help(0);else if (arg == "--tokenize") tokenize = true;else if (arg == "--module") options.sourceType = 'module';else help(1); -} - -function run(code) { - var result = undefined; - if (!tokenize) { - try { - result = acorn.parse(code, options); - } catch (e) { - console.error(e.message);process.exit(1); - } - } else { - result = []; - var tokenizer = acorn.tokenizer(code, options), - token = undefined; - while (true) { - try { - token = tokenizer.getToken(); - } catch (e) { - console.error(e.message);process.exit(1); - } - result.push(token); - if (token.type == acorn.tokTypes.eof) break; - } - } - if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2)); -} - -if (forceFile || infile && infile != "-") { - run((0, _fs.readFileSync)(infile, "utf8")); -} else { - (function () { - var code = ""; - process.stdin.resume(); - process.stdin.on("data", function (chunk) { - return code += chunk; - }); - process.stdin.on("end", function () { - return run(code); - }); - })(); -} \ No newline at end of file diff --git a/node_modules/acorn/bin/build-acorn.js b/node_modules/acorn/bin/build-acorn.js deleted file mode 100644 index 71f2cf9..0000000 --- a/node_modules/acorn/bin/build-acorn.js +++ /dev/null @@ -1,82 +0,0 @@ -var fs = require("fs"), path = require("path") -var stream = require("stream") - -var browserify = require("browserify") -var babel = require('babel-core') -var babelify = require("babelify").configure({loose: "all"}) - -process.chdir(path.resolve(__dirname, "..")) - -browserify({standalone: "acorn"}) - .plugin(require('browserify-derequire')) - .transform(babelify) - .require("./src/index.js", {entry: true}) - .bundle() - .on("error", function (err) { console.log("Error: " + err.message) }) - .pipe(fs.createWriteStream("dist/acorn.js")) - -var ACORN_PLACEHOLDER = "this_function_call_should_be_replaced_with_a_call_to_load_acorn()"; -function acornShimPrepare(file) { - var tr = new stream.Transform - if (file == path.resolve(__dirname, "../src/index.js")) { - var sent = false - tr._transform = function(chunk, _, callback) { - if (!sent) { - sent = true - callback(null, ACORN_PLACEHOLDER); - } else { - callback() - } - } - } else { - tr._transform = function(chunk, _, callback) { callback(null, chunk) } - } - return tr -} -function acornShimComplete() { - var tr = new stream.Transform - var buffer = ""; - tr._transform = function(chunk, _, callback) { - buffer += chunk.toString("utf8"); - callback(); - }; - tr._flush = function (callback) { - tr.push(buffer.replace(ACORN_PLACEHOLDER, "module.exports = typeof acorn != 'undefined' ? acorn : require(\"./acorn\")")); - callback(null); - }; - return tr; -} - -browserify({standalone: "acorn.loose"}) - .plugin(require('browserify-derequire')) - .transform(acornShimPrepare) - .transform(babelify) - .require("./src/loose/index.js", {entry: true}) - .bundle() - .on("error", function (err) { console.log("Error: " + err.message) }) - .pipe(acornShimComplete()) - .pipe(fs.createWriteStream("dist/acorn_loose.js")) - -browserify({standalone: "acorn.walk"}) - .plugin(require('browserify-derequire')) - .transform(acornShimPrepare) - .transform(babelify) - .require("./src/walk/index.js", {entry: true}) - .bundle() - .on("error", function (err) { console.log("Error: " + err.message) }) - .pipe(acornShimComplete()) - .pipe(fs.createWriteStream("dist/walk.js")) - -babel.transformFile("./src/bin/acorn.js", function (err, result) { - if (err) return console.log("Error: " + err.message) - fs.writeFile("bin/acorn", result.code, function (err) { - if (err) return console.log("Error: " + err.message) - - // Make bin/acorn executable - if (process.platform === 'win32') - return - var stat = fs.statSync("bin/acorn") - var newPerm = stat.mode | parseInt('111', 8) - fs.chmodSync("bin/acorn", newPerm) - }) -}) diff --git a/node_modules/acorn/bin/generate-identifier-regex.js b/node_modules/acorn/bin/generate-identifier-regex.js deleted file mode 100644 index 0d7c50f..0000000 --- a/node_modules/acorn/bin/generate-identifier-regex.js +++ /dev/null @@ -1,47 +0,0 @@ -// Note: run `npm install unicode-7.0.0` first. - -// Which Unicode version should be used? -var version = '7.0.0'; - -var start = require('unicode-' + version + '/properties/ID_Start/code-points') - .filter(function(ch) { return ch > 127; }); -var cont = [0x200c, 0x200d].concat(require('unicode-' + version + '/properties/ID_Continue/code-points') - .filter(function(ch) { return ch > 127 && start.indexOf(ch) == -1; })); - -function pad(str, width) { - while (str.length < width) str = "0" + str; - return str; -} - -function esc(code) { - var hex = code.toString(16); - if (hex.length <= 2) return "\\x" + pad(hex, 2); - else return "\\u" + pad(hex, 4); -} - -function generate(chars) { - var astral = [], re = ""; - for (var i = 0, at = 0x10000; i < chars.length; i++) { - var from = chars[i], to = from; - while (i < chars.length - 1 && chars[i + 1] == to + 1) { - i++; - to++; - } - if (to <= 0xffff) { - if (from == to) re += esc(from); - else if (from + 1 == to) re += esc(from) + esc(to); - else re += esc(from) + "-" + esc(to); - } else { - astral.push(from - at, to - from); - at = to; - } - } - return {nonASCII: re, astral: astral}; -} - -var startData = generate(start), contData = generate(cont); - -console.log(" var nonASCIIidentifierStartChars = \"" + startData.nonASCII + "\";"); -console.log(" var nonASCIIidentifierChars = \"" + contData.nonASCII + "\";"); -console.log(" var astralIdentifierStartCodes = " + JSON.stringify(startData.astral) + ";"); -console.log(" var astralIdentifierCodes = " + JSON.stringify(contData.astral) + ";"); diff --git a/node_modules/acorn/bin/update_authors.sh b/node_modules/acorn/bin/update_authors.sh deleted file mode 100755 index 466c8db..0000000 --- a/node_modules/acorn/bin/update_authors.sh +++ /dev/null @@ -1,6 +0,0 @@ -# Combine existing list of authors with everyone known in git, sort, add header. -tail --lines=+3 AUTHORS > AUTHORS.tmp -git log --format='%aN' | grep -v abraidwood >> AUTHORS.tmp -echo -e "List of Acorn contributors. Updated before every release.\n" > AUTHORS -sort -u AUTHORS.tmp >> AUTHORS -rm -f AUTHORS.tmp diff --git a/node_modules/acorn/package.json b/node_modules/acorn/package.json deleted file mode 100644 index b340164..0000000 --- a/node_modules/acorn/package.json +++ /dev/null @@ -1,41 +0,0 @@ -{ - "name": "acorn", - "description": "ECMAScript parser", - "homepage": "https://github.com/ternjs/acorn", - "main": "dist/acorn.js", - "version": "2.7.0", - "engines": { - "node": ">=0.4.0" - }, - "maintainers": [ - { - "name": "Marijn Haverbeke", - "email": "marijnh@gmail.com", - "web": "http://marijnhaverbeke.nl" - }, - { - "name": "Ingvar Stepanyan", - "email": "me@rreverser.com", - "web": "http://rreverser.com/" - } - ], - "repository": { - "type": "git", - "url": "https://github.com/ternjs/acorn.git" - }, - "license": "MIT", - "scripts": { - "prepublish": "node bin/build-acorn.js", - "test": "node test/run.js" - }, - "bin": { - "acorn": "./bin/acorn" - }, - "devDependencies": { - "babel-core": "^5.6.15", - "babelify": "^6.1.2", - "browserify": "^10.2.4", - "browserify-derequire": "^0.9.4", - "unicode-7.0.0": "~0.1.5" - } -} diff --git a/node_modules/acorn/src/bin/acorn.js b/node_modules/acorn/src/bin/acorn.js deleted file mode 100644 index 71a5dff..0000000 --- a/node_modules/acorn/src/bin/acorn.js +++ /dev/null @@ -1,59 +0,0 @@ -#!/usr/bin/env node - -import {basename} from "path" -import {readFileSync as readFile} from "fs" -import * as acorn from "../dist/acorn.js" - -let infile, forceFile, silent = false, compact = false, tokenize = false -const options = {} - -function help(status) { - const print = (status == 0) ? console.log : console.error - print("usage: " + basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6]") - print(" [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]") - process.exit(status) -} - -for (let i = 2; i < process.argv.length; ++i) { - const arg = process.argv[i] - if ((arg == "-" || arg[0] != "-") && !infile) infile = arg - else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i] - else if (arg == "--ecma3") options.ecmaVersion = 3 - else if (arg == "--ecma5") options.ecmaVersion = 5 - else if (arg == "--ecma6") options.ecmaVersion = 6 - else if (arg == "--locations") options.locations = true - else if (arg == "--allow-hash-bang") options.allowHashBang = true - else if (arg == "--silent") silent = true - else if (arg == "--compact") compact = true - else if (arg == "--help") help(0) - else if (arg == "--tokenize") tokenize = true - else if (arg == "--module") options.sourceType = 'module' - else help(1) -} - -function run(code) { - let result - if (!tokenize) { - try { result = acorn.parse(code, options) } - catch(e) { console.error(e.message); process.exit(1) } - } else { - result = [] - let tokenizer = acorn.tokenizer(code, options), token - while (true) { - try { token = tokenizer.getToken() } - catch(e) { console.error(e.message); process.exit(1) } - result.push(token) - if (token.type == acorn.tokTypes.eof) break - } - } - if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2)) -} - -if (forceFile || infile && infile != "-") { - run(readFile(infile, "utf8")) -} else { - let code = "" - process.stdin.resume() - process.stdin.on("data", chunk => code += chunk) - process.stdin.on("end", () => run(code)) -} diff --git a/node_modules/acorn/src/expression.js b/node_modules/acorn/src/expression.js deleted file mode 100644 index 5f5b8a3..0000000 --- a/node_modules/acorn/src/expression.js +++ /dev/null @@ -1,707 +0,0 @@ -// A recursive descent parser operates by defining functions for all -// syntactic elements, and recursively calling those, each function -// advancing the input stream and returning an AST node. Precedence -// of constructs (for example, the fact that `!x[1]` means `!(x[1])` -// instead of `(!x)[1]` is handled by the fact that the parser -// function that parses unary prefix operators is called first, and -// in turn calls the function that parses `[]` subscripts — that -// way, it'll receive the node for `x[1]` already parsed, and wraps -// *that* in the unary operator node. -// -// Acorn uses an [operator precedence parser][opp] to handle binary -// operator precedence, because it is much more compact than using -// the technique outlined above, which uses different, nesting -// functions to specify precedence, for all of the ten binary -// precedence levels that JavaScript defines. -// -// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser - -import {types as tt} from "./tokentype" -import {Parser} from "./state" - -const pp = Parser.prototype - -// Check if property name clashes with already added. -// Object/class getters and setters are not allowed to clash — -// either with each other or with an init property — and in -// strict mode, init properties are also not allowed to be repeated. - -pp.checkPropClash = function(prop, propHash) { - if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) - return - let {key} = prop, name - switch (key.type) { - case "Identifier": name = key.name; break - case "Literal": name = String(key.value); break - default: return - } - let {kind} = prop - if (this.options.ecmaVersion >= 6) { - if (name === "__proto__" && kind === "init") { - if (propHash.proto) this.raise(key.start, "Redefinition of __proto__ property"); - propHash.proto = true - } - return - } - name = "$" + name - let other = propHash[name] - if (other) { - let isGetSet = kind !== "init" - if ((this.strict || isGetSet) && other[kind] || !(isGetSet ^ other.init)) - this.raise(key.start, "Redefinition of property") - } else { - other = propHash[name] = { - init: false, - get: false, - set: false - } - } - other[kind] = true -} - -// ### Expression parsing - -// These nest, from the most general expression type at the top to -// 'atomic', nondivisible expression types at the bottom. Most of -// the functions will simply let the function(s) below them parse, -// and, *if* the syntactic construct they handle is present, wrap -// the AST node that the inner parser gave them in another node. - -// Parse a full expression. The optional arguments are used to -// forbid the `in` operator (in for loops initalization expressions) -// and provide reference for storing '=' operator inside shorthand -// property assignment in contexts where both object expression -// and object pattern might appear (so it's possible to raise -// delayed syntax error at correct position). - -pp.parseExpression = function(noIn, refDestructuringErrors) { - let startPos = this.start, startLoc = this.startLoc - let expr = this.parseMaybeAssign(noIn, refDestructuringErrors) - if (this.type === tt.comma) { - let node = this.startNodeAt(startPos, startLoc) - node.expressions = [expr] - while (this.eat(tt.comma)) node.expressions.push(this.parseMaybeAssign(noIn, refDestructuringErrors)) - return this.finishNode(node, "SequenceExpression") - } - return expr -} - -// Parse an assignment expression. This includes applications of -// operators like `+=`. - -pp.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) { - if (this.type == tt._yield && this.inGenerator) return this.parseYield() - - let validateDestructuring = false - if (!refDestructuringErrors) { - refDestructuringErrors = {shorthandAssign: 0, trailingComma: 0} - validateDestructuring = true - } - let startPos = this.start, startLoc = this.startLoc - if (this.type == tt.parenL || this.type == tt.name) - this.potentialArrowAt = this.start - let left = this.parseMaybeConditional(noIn, refDestructuringErrors) - if (afterLeftParse) left = afterLeftParse.call(this, left, startPos, startLoc) - if (this.type.isAssign) { - if (validateDestructuring) this.checkPatternErrors(refDestructuringErrors, true) - let node = this.startNodeAt(startPos, startLoc) - node.operator = this.value - node.left = this.type === tt.eq ? this.toAssignable(left) : left - refDestructuringErrors.shorthandAssign = 0 // reset because shorthand default was used correctly - this.checkLVal(left) - this.next() - node.right = this.parseMaybeAssign(noIn) - return this.finishNode(node, "AssignmentExpression") - } else { - if (validateDestructuring) this.checkExpressionErrors(refDestructuringErrors, true) - } - return left -} - -// Parse a ternary conditional (`?:`) operator. - -pp.parseMaybeConditional = function(noIn, refDestructuringErrors) { - let startPos = this.start, startLoc = this.startLoc - let expr = this.parseExprOps(noIn, refDestructuringErrors) - if (this.checkExpressionErrors(refDestructuringErrors)) return expr - if (this.eat(tt.question)) { - let node = this.startNodeAt(startPos, startLoc) - node.test = expr - node.consequent = this.parseMaybeAssign() - this.expect(tt.colon) - node.alternate = this.parseMaybeAssign(noIn) - return this.finishNode(node, "ConditionalExpression") - } - return expr -} - -// Start the precedence parser. - -pp.parseExprOps = function(noIn, refDestructuringErrors) { - let startPos = this.start, startLoc = this.startLoc - let expr = this.parseMaybeUnary(refDestructuringErrors) - if (this.checkExpressionErrors(refDestructuringErrors)) return expr - return this.parseExprOp(expr, startPos, startLoc, -1, noIn) -} - -// Parse binary operators with the operator precedence parsing -// algorithm. `left` is the left-hand side of the operator. -// `minPrec` provides context that allows the function to stop and -// defer further parser to one of its callers when it encounters an -// operator that has a lower precedence than the set it is parsing. - -pp.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) { - let prec = this.type.binop - if (prec != null && (!noIn || this.type !== tt._in)) { - if (prec > minPrec) { - let node = this.startNodeAt(leftStartPos, leftStartLoc) - node.left = left - node.operator = this.value - let op = this.type - this.next() - let startPos = this.start, startLoc = this.startLoc - node.right = this.parseExprOp(this.parseMaybeUnary(), startPos, startLoc, prec, noIn) - this.finishNode(node, (op === tt.logicalOR || op === tt.logicalAND) ? "LogicalExpression" : "BinaryExpression") - return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn) - } - } - return left -} - -// Parse unary operators, both prefix and postfix. - -pp.parseMaybeUnary = function(refDestructuringErrors) { - if (this.type.prefix) { - let node = this.startNode(), update = this.type === tt.incDec - node.operator = this.value - node.prefix = true - this.next() - node.argument = this.parseMaybeUnary() - this.checkExpressionErrors(refDestructuringErrors, true) - if (update) this.checkLVal(node.argument) - else if (this.strict && node.operator === "delete" && - node.argument.type === "Identifier") - this.raise(node.start, "Deleting local variable in strict mode") - return this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression") - } - let startPos = this.start, startLoc = this.startLoc - let expr = this.parseExprSubscripts(refDestructuringErrors) - if (this.checkExpressionErrors(refDestructuringErrors)) return expr - while (this.type.postfix && !this.canInsertSemicolon()) { - let node = this.startNodeAt(startPos, startLoc) - node.operator = this.value - node.prefix = false - node.argument = expr - this.checkLVal(expr) - this.next() - expr = this.finishNode(node, "UpdateExpression") - } - return expr -} - -// Parse call, dot, and `[]`-subscript expressions. - -pp.parseExprSubscripts = function(refDestructuringErrors) { - let startPos = this.start, startLoc = this.startLoc - let expr = this.parseExprAtom(refDestructuringErrors) - let skipArrowSubscripts = expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")"; - if (this.checkExpressionErrors(refDestructuringErrors) || skipArrowSubscripts) return expr - return this.parseSubscripts(expr, startPos, startLoc) -} - -pp.parseSubscripts = function(base, startPos, startLoc, noCalls) { - for (;;) { - if (this.eat(tt.dot)) { - let node = this.startNodeAt(startPos, startLoc) - node.object = base - node.property = this.parseIdent(true) - node.computed = false - base = this.finishNode(node, "MemberExpression") - } else if (this.eat(tt.bracketL)) { - let node = this.startNodeAt(startPos, startLoc) - node.object = base - node.property = this.parseExpression() - node.computed = true - this.expect(tt.bracketR) - base = this.finishNode(node, "MemberExpression") - } else if (!noCalls && this.eat(tt.parenL)) { - let node = this.startNodeAt(startPos, startLoc) - node.callee = base - node.arguments = this.parseExprList(tt.parenR, false) - base = this.finishNode(node, "CallExpression") - } else if (this.type === tt.backQuote) { - let node = this.startNodeAt(startPos, startLoc) - node.tag = base - node.quasi = this.parseTemplate() - base = this.finishNode(node, "TaggedTemplateExpression") - } else { - return base - } - } -} - -// Parse an atomic expression — either a single token that is an -// expression, an expression started by a keyword like `function` or -// `new`, or an expression wrapped in punctuation like `()`, `[]`, -// or `{}`. - -pp.parseExprAtom = function(refDestructuringErrors) { - let node, canBeArrow = this.potentialArrowAt == this.start - switch (this.type) { - case tt._super: - if (!this.inFunction) - this.raise(this.start, "'super' outside of function or class") - case tt._this: - let type = this.type === tt._this ? "ThisExpression" : "Super" - node = this.startNode() - this.next() - return this.finishNode(node, type) - - case tt._yield: - if (this.inGenerator) this.unexpected() - - case tt.name: - let startPos = this.start, startLoc = this.startLoc - let id = this.parseIdent(this.type !== tt.name) - if (canBeArrow && !this.canInsertSemicolon() && this.eat(tt.arrow)) - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id]) - return id - - case tt.regexp: - let value = this.value - node = this.parseLiteral(value.value) - node.regex = {pattern: value.pattern, flags: value.flags} - return node - - case tt.num: case tt.string: - return this.parseLiteral(this.value) - - case tt._null: case tt._true: case tt._false: - node = this.startNode() - node.value = this.type === tt._null ? null : this.type === tt._true - node.raw = this.type.keyword - this.next() - return this.finishNode(node, "Literal") - - case tt.parenL: - return this.parseParenAndDistinguishExpression(canBeArrow) - - case tt.bracketL: - node = this.startNode() - this.next() - // check whether this is array comprehension or regular array - if (this.options.ecmaVersion >= 7 && this.type === tt._for) { - return this.parseComprehension(node, false) - } - node.elements = this.parseExprList(tt.bracketR, true, true, refDestructuringErrors) - return this.finishNode(node, "ArrayExpression") - - case tt.braceL: - return this.parseObj(false, refDestructuringErrors) - - case tt._function: - node = this.startNode() - this.next() - return this.parseFunction(node, false) - - case tt._class: - return this.parseClass(this.startNode(), false) - - case tt._new: - return this.parseNew() - - case tt.backQuote: - return this.parseTemplate() - - default: - this.unexpected() - } -} - -pp.parseLiteral = function(value) { - let node = this.startNode() - node.value = value - node.raw = this.input.slice(this.start, this.end) - this.next() - return this.finishNode(node, "Literal") -} - -pp.parseParenExpression = function() { - this.expect(tt.parenL) - let val = this.parseExpression() - this.expect(tt.parenR) - return val -} - -pp.parseParenAndDistinguishExpression = function(canBeArrow) { - let startPos = this.start, startLoc = this.startLoc, val - if (this.options.ecmaVersion >= 6) { - this.next() - - if (this.options.ecmaVersion >= 7 && this.type === tt._for) { - return this.parseComprehension(this.startNodeAt(startPos, startLoc), true) - } - - let innerStartPos = this.start, innerStartLoc = this.startLoc - let exprList = [], first = true - let refDestructuringErrors = {shorthandAssign: 0, trailingComma: 0}, spreadStart, innerParenStart - while (this.type !== tt.parenR) { - first ? first = false : this.expect(tt.comma) - if (this.type === tt.ellipsis) { - spreadStart = this.start - exprList.push(this.parseParenItem(this.parseRest())) - break - } else { - if (this.type === tt.parenL && !innerParenStart) { - innerParenStart = this.start - } - exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)) - } - } - let innerEndPos = this.start, innerEndLoc = this.startLoc - this.expect(tt.parenR) - - if (canBeArrow && !this.canInsertSemicolon() && this.eat(tt.arrow)) { - this.checkPatternErrors(refDestructuringErrors, true) - if (innerParenStart) this.unexpected(innerParenStart) - return this.parseParenArrowList(startPos, startLoc, exprList) - } - - if (!exprList.length) this.unexpected(this.lastTokStart) - if (spreadStart) this.unexpected(spreadStart) - this.checkExpressionErrors(refDestructuringErrors, true) - - if (exprList.length > 1) { - val = this.startNodeAt(innerStartPos, innerStartLoc) - val.expressions = exprList - this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc) - } else { - val = exprList[0] - } - } else { - val = this.parseParenExpression() - } - - if (this.options.preserveParens) { - let par = this.startNodeAt(startPos, startLoc) - par.expression = val - return this.finishNode(par, "ParenthesizedExpression") - } else { - return val - } -} - -pp.parseParenItem = function(item) { - return item -} - -pp.parseParenArrowList = function(startPos, startLoc, exprList) { - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList) -} - -// New's precedence is slightly tricky. It must allow its argument to -// be a `[]` or dot subscript expression, but not a call — at least, -// not without wrapping it in parentheses. Thus, it uses the noCalls -// argument to parseSubscripts to prevent it from consuming the -// argument list. - -const empty = [] - -pp.parseNew = function() { - let node = this.startNode() - let meta = this.parseIdent(true) - if (this.options.ecmaVersion >= 6 && this.eat(tt.dot)) { - node.meta = meta - node.property = this.parseIdent(true) - if (node.property.name !== "target") - this.raise(node.property.start, "The only valid meta property for new is new.target") - if (!this.inFunction) - this.raise(node.start, "new.target can only be used in functions") - return this.finishNode(node, "MetaProperty") - } - let startPos = this.start, startLoc = this.startLoc - node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true) - if (this.eat(tt.parenL)) node.arguments = this.parseExprList(tt.parenR, false) - else node.arguments = empty - return this.finishNode(node, "NewExpression") -} - -// Parse template expression. - -pp.parseTemplateElement = function() { - let elem = this.startNode() - elem.value = { - raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, '\n'), - cooked: this.value - } - this.next() - elem.tail = this.type === tt.backQuote - return this.finishNode(elem, "TemplateElement") -} - -pp.parseTemplate = function() { - let node = this.startNode() - this.next() - node.expressions = [] - let curElt = this.parseTemplateElement() - node.quasis = [curElt] - while (!curElt.tail) { - this.expect(tt.dollarBraceL) - node.expressions.push(this.parseExpression()) - this.expect(tt.braceR) - node.quasis.push(curElt = this.parseTemplateElement()) - } - this.next() - return this.finishNode(node, "TemplateLiteral") -} - -// Parse an object literal or binding pattern. - -pp.parseObj = function(isPattern, refDestructuringErrors) { - let node = this.startNode(), first = true, propHash = {} - node.properties = [] - this.next() - while (!this.eat(tt.braceR)) { - if (!first) { - this.expect(tt.comma) - if (this.afterTrailingComma(tt.braceR)) break - } else first = false - - let prop = this.startNode(), isGenerator, startPos, startLoc - if (this.options.ecmaVersion >= 6) { - prop.method = false - prop.shorthand = false - if (isPattern || refDestructuringErrors) { - startPos = this.start - startLoc = this.startLoc - } - if (!isPattern) - isGenerator = this.eat(tt.star) - } - this.parsePropertyName(prop) - this.parsePropertyValue(prop, isPattern, isGenerator, startPos, startLoc, refDestructuringErrors) - this.checkPropClash(prop, propHash) - node.properties.push(this.finishNode(prop, "Property")) - } - return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") -} - -pp.parsePropertyValue = function(prop, isPattern, isGenerator, startPos, startLoc, refDestructuringErrors) { - if (this.eat(tt.colon)) { - prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors) - prop.kind = "init" - } else if (this.options.ecmaVersion >= 6 && this.type === tt.parenL) { - if (isPattern) this.unexpected() - prop.kind = "init" - prop.method = true - prop.value = this.parseMethod(isGenerator) - } else if (this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && - (prop.key.name === "get" || prop.key.name === "set") && - (this.type != tt.comma && this.type != tt.braceR)) { - if (isGenerator || isPattern) this.unexpected() - prop.kind = prop.key.name - this.parsePropertyName(prop) - prop.value = this.parseMethod(false) - let paramCount = prop.kind === "get" ? 0 : 1 - if (prop.value.params.length !== paramCount) { - let start = prop.value.start - if (prop.kind === "get") - this.raise(start, "getter should have no params"); - else - this.raise(start, "setter should have exactly one param") - } - if (prop.kind === "set" && prop.value.params[0].type === "RestElement") - this.raise(prop.value.params[0].start, "Setter cannot use rest params") - } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { - prop.kind = "init" - if (isPattern) { - if (this.keywords.test(prop.key.name) || - (this.strict ? this.reservedWordsStrictBind : this.reservedWords).test(prop.key.name)) - this.raise(prop.key.start, "Binding " + prop.key.name) - prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key) - } else if (this.type === tt.eq && refDestructuringErrors) { - if (!refDestructuringErrors.shorthandAssign) - refDestructuringErrors.shorthandAssign = this.start - prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key) - } else { - prop.value = prop.key - } - prop.shorthand = true - } else this.unexpected() -} - -pp.parsePropertyName = function(prop) { - if (this.options.ecmaVersion >= 6) { - if (this.eat(tt.bracketL)) { - prop.computed = true - prop.key = this.parseMaybeAssign() - this.expect(tt.bracketR) - return prop.key - } else { - prop.computed = false - } - } - return prop.key = (this.type === tt.num || this.type === tt.string) ? this.parseExprAtom() : this.parseIdent(true) -} - -// Initialize empty function node. - -pp.initFunction = function(node) { - node.id = null - if (this.options.ecmaVersion >= 6) { - node.generator = false - node.expression = false - } -} - -// Parse object or class method. - -pp.parseMethod = function(isGenerator) { - let node = this.startNode() - this.initFunction(node) - this.expect(tt.parenL) - node.params = this.parseBindingList(tt.parenR, false, false) - if (this.options.ecmaVersion >= 6) - node.generator = isGenerator - this.parseFunctionBody(node, false) - return this.finishNode(node, "FunctionExpression") -} - -// Parse arrow function expression with given parameters. - -pp.parseArrowExpression = function(node, params) { - this.initFunction(node) - node.params = this.toAssignableList(params, true) - this.parseFunctionBody(node, true) - return this.finishNode(node, "ArrowFunctionExpression") -} - -// Parse function body and check parameters. - -pp.parseFunctionBody = function(node, isArrowFunction) { - let isExpression = isArrowFunction && this.type !== tt.braceL - - if (isExpression) { - node.body = this.parseMaybeAssign() - node.expression = true - } else { - // Start a new scope with regard to labels and the `inFunction` - // flag (restore them to their old value afterwards). - let oldInFunc = this.inFunction, oldInGen = this.inGenerator, oldLabels = this.labels - this.inFunction = true; this.inGenerator = node.generator; this.labels = [] - node.body = this.parseBlock(true) - node.expression = false - this.inFunction = oldInFunc; this.inGenerator = oldInGen; this.labels = oldLabels - } - - // If this is a strict mode function, verify that argument names - // are not repeated, and it does not try to bind the words `eval` - // or `arguments`. - if (this.strict || !isExpression && node.body.body.length && this.isUseStrict(node.body.body[0])) { - let oldStrict = this.strict - this.strict = true - if (node.id) - this.checkLVal(node.id, true) - this.checkParams(node); - this.strict = oldStrict - } else if (isArrowFunction) { - this.checkParams(node); - } -} - -// Checks function params for various disallowed patterns such as using "eval" -// or "arguments" and duplicate parameters. - -pp.checkParams = function(node) { - let nameHash = {}; - for (let i = 0; i < node.params.length; i++) - this.checkLVal(node.params[i], true, nameHash) -}; - -// Parses a comma-separated list of expressions, and returns them as -// an array. `close` is the token type that ends the list, and -// `allowEmpty` can be turned on to allow subsequent commas with -// nothing in between them to be parsed as `null` (which is needed -// for array literals). - -pp.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { - let elts = [], first = true - while (!this.eat(close)) { - if (!first) { - this.expect(tt.comma) - if (this.type === close && refDestructuringErrors && !refDestructuringErrors.trailingComma) { - refDestructuringErrors.trailingComma = this.lastTokStart - } - if (allowTrailingComma && this.afterTrailingComma(close)) break - } else first = false - - let elt - if (allowEmpty && this.type === tt.comma) - elt = null - else if (this.type === tt.ellipsis) - elt = this.parseSpread(refDestructuringErrors) - else - elt = this.parseMaybeAssign(false, refDestructuringErrors) - elts.push(elt) - } - return elts -} - -// Parse the next token as an identifier. If `liberal` is true (used -// when parsing properties), it will also convert keywords into -// identifiers. - -pp.parseIdent = function(liberal) { - let node = this.startNode() - if (liberal && this.options.allowReserved == "never") liberal = false - if (this.type === tt.name) { - if (!liberal && (this.strict ? this.reservedWordsStrict : this.reservedWords).test(this.value) && - (this.options.ecmaVersion >= 6 || - this.input.slice(this.start, this.end).indexOf("\\") == -1)) - this.raise(this.start, "The keyword '" + this.value + "' is reserved") - node.name = this.value - } else if (liberal && this.type.keyword) { - node.name = this.type.keyword - } else { - this.unexpected() - } - this.next() - return this.finishNode(node, "Identifier") -} - -// Parses yield expression inside generator. - -pp.parseYield = function() { - let node = this.startNode() - this.next() - if (this.type == tt.semi || this.canInsertSemicolon() || (this.type != tt.star && !this.type.startsExpr)) { - node.delegate = false - node.argument = null - } else { - node.delegate = this.eat(tt.star) - node.argument = this.parseMaybeAssign() - } - return this.finishNode(node, "YieldExpression") -} - -// Parses array and generator comprehensions. - -pp.parseComprehension = function(node, isGenerator) { - node.blocks = [] - while (this.type === tt._for) { - let block = this.startNode() - this.next() - this.expect(tt.parenL) - block.left = this.parseBindingAtom() - this.checkLVal(block.left, true) - this.expectContextual("of") - block.right = this.parseExpression() - this.expect(tt.parenR) - node.blocks.push(this.finishNode(block, "ComprehensionBlock")) - } - node.filter = this.eat(tt._if) ? this.parseParenExpression() : null - node.body = this.parseExpression() - this.expect(isGenerator ? tt.parenR : tt.bracketR) - node.generator = isGenerator - return this.finishNode(node, "ComprehensionExpression") -} diff --git a/node_modules/acorn/src/identifier.js b/node_modules/acorn/src/identifier.js deleted file mode 100644 index 59ead43..0000000 --- a/node_modules/acorn/src/identifier.js +++ /dev/null @@ -1,90 +0,0 @@ -// This is a trick taken from Esprima. It turns out that, on -// non-Chrome browsers, to check whether a string is in a set, a -// predicate containing a big ugly `switch` statement is faster than -// a regular expression, and on Chrome the two are about on par. -// This function uses `eval` (non-lexical) to produce such a -// predicate from a space-separated string of words. -// -// It starts by sorting the words by length. - -// Reserved word lists for various dialects of the language - -export const reservedWords = { - 3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile", - 5: "class enum extends super const export import", - 6: "enum", - strict: "implements interface let package private protected public static yield", - strictBind: "eval arguments" -} - -// And the keywords - -var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this" - -export const keywords = { - 5: ecma5AndLessKeywords, - 6: ecma5AndLessKeywords + " let const class extends export import yield super" -} - -// ## Character categories - -// Big ugly regular expressions that match characters in the -// whitespace, identifier, and identifier-start categories. These -// are only applied when a character is found to actually have a -// code point above 128. -// Generated by `bin/generate-identifier-regex.js`. - -let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0-\u08b2\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua7ad\ua7b0\ua7b1\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab5f\uab64\uab65\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc" -let nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08e4-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c03\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d01-\u0d03\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19b0-\u19c0\u19c8\u19c9\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf2-\u1cf4\u1cf8\u1cf9\u1dc0-\u1df5\u1dfc-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c4\ua8d0-\ua8d9\ua8e0-\ua8f1\ua900-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2d\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f" - -const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]") -const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]") - -nonASCIIidentifierStartChars = nonASCIIidentifierChars = null - -// These are a run-length and offset encoded representation of the -// >0xffff code points that are a valid part of identifiers. The -// offset starts at 0x10000, and each pair of numbers represents an -// offset to the next range, and then a size of the range. They were -// generated by tools/generate-identifier-regex.js -var astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,17,26,6,37,11,29,3,35,5,7,2,4,43,157,99,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,98,21,11,25,71,55,7,1,65,0,16,3,2,2,2,26,45,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,955,52,76,44,33,24,27,35,42,34,4,0,13,47,15,3,22,0,38,17,2,24,133,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,32,4,287,47,21,1,2,0,185,46,82,47,21,0,60,42,502,63,32,0,449,56,1288,920,104,110,2962,1070,13266,568,8,30,114,29,19,47,17,3,32,20,6,18,881,68,12,0,67,12,16481,1,3071,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,1340,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,16355,541] -var astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,1306,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,52,0,13,2,49,13,16,9,83,11,168,11,6,9,8,2,57,0,2,6,3,1,3,2,10,0,11,1,3,6,4,4,316,19,13,9,214,6,3,8,112,16,16,9,82,12,9,9,535,9,20855,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,4305,6,792618,239] - -// This has a complexity linear to the value of the code. The -// assumption is that looking up astral identifier characters is -// rare. -function isInAstralSet(code, set) { - let pos = 0x10000 - for (let i = 0; i < set.length; i += 2) { - pos += set[i] - if (pos > code) return false - pos += set[i + 1] - if (pos >= code) return true - } -} - -// Test whether a given character code starts an identifier. - -export function isIdentifierStart(code, astral) { - if (code < 65) return code === 36 - if (code < 91) return true - if (code < 97) return code === 95 - if (code < 123) return true - if (code <= 0xffff) return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) - if (astral === false) return false - return isInAstralSet(code, astralIdentifierStartCodes) -} - -// Test whether a given character is part of an identifier. - -export function isIdentifierChar(code, astral) { - if (code < 48) return code === 36 - if (code < 58) return true - if (code < 65) return false - if (code < 91) return true - if (code < 97) return code === 95 - if (code < 123) return true - if (code <= 0xffff) return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) - if (astral === false) return false - return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes) -} diff --git a/node_modules/acorn/src/index.js b/node_modules/acorn/src/index.js deleted file mode 100644 index 8215f1b..0000000 --- a/node_modules/acorn/src/index.js +++ /dev/null @@ -1,67 +0,0 @@ -// 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" - -export {Parser, plugins} from "./state" -export {defaultOptions} from "./options" -export {Position, SourceLocation, getLineInfo} from "./locutil" -export {Node} from "./node" -export {TokenType, types as tokTypes} 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 = "2.7.0" - -// 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) -} diff --git a/node_modules/acorn/src/location.js b/node_modules/acorn/src/location.js deleted file mode 100644 index 4625dc3..0000000 --- a/node_modules/acorn/src/location.js +++ /dev/null @@ -1,24 +0,0 @@ -import {Parser} from "./state" -import {Position, getLineInfo} from "./locutil" - -const pp = Parser.prototype - -// This function is used to raise exceptions on parse errors. It -// takes an offset integer (into the current `input`) to indicate -// the location of the error, attaches the position to the end -// of the error message, and then raises a `SyntaxError` with that -// message. - -pp.raise = function(pos, message) { - let loc = getLineInfo(this.input, pos) - message += " (" + loc.line + ":" + loc.column + ")" - let err = new SyntaxError(message) - err.pos = pos; err.loc = loc; err.raisedAt = this.pos - throw err -} - -pp.curPosition = function() { - if (this.options.locations) { - return new Position(this.curLine, this.pos - this.lineStart) - } -} diff --git a/node_modules/acorn/src/locutil.js b/node_modules/acorn/src/locutil.js deleted file mode 100644 index 5a9465e..0000000 --- a/node_modules/acorn/src/locutil.js +++ /dev/null @@ -1,42 +0,0 @@ -import {lineBreakG} from "./whitespace" - -// These are used when `options.locations` is on, for the -// `startLoc` and `endLoc` properties. - -export class Position { - constructor(line, col) { - this.line = line - this.column = col - } - - offset(n) { - return new Position(this.line, this.column + n) - } -} - -export class SourceLocation { - constructor(p, start, end) { - this.start = start - this.end = end - if (p.sourceFile !== null) this.source = p.sourceFile - } -} - -// The `getLineInfo` function is mostly useful when the -// `locations` option is off (for performance reasons) and you -// want to find the line/column position for a given character -// offset. `input` should be the code string that the offset refers -// into. - -export function getLineInfo(input, offset) { - for (let line = 1, cur = 0;;) { - lineBreakG.lastIndex = cur - let match = lineBreakG.exec(input) - if (match && match.index < offset) { - ++line - cur = match.index + match[0].length - } else { - return new Position(line, offset - cur) - } - } -} diff --git a/node_modules/acorn/src/loose/acorn_loose.js b/node_modules/acorn/src/loose/acorn_loose.js deleted file mode 100644 index e69de29..0000000 diff --git a/node_modules/acorn/src/loose/expression.js b/node_modules/acorn/src/loose/expression.js deleted file mode 100644 index f3712c0..0000000 --- a/node_modules/acorn/src/loose/expression.js +++ /dev/null @@ -1,501 +0,0 @@ -import {LooseParser} from "./state" -import {isDummy} from "./parseutil" -import {tokTypes as tt} from ".." - -const lp = LooseParser.prototype - -lp.checkLVal = function(expr) { - if (!expr) return expr - switch (expr.type) { - case "Identifier": - case "MemberExpression": - return expr - - case "ParenthesizedExpression": - expr.expression = this.checkLVal(expr.expression) - return expr - - default: - return this.dummyIdent() - } -} - -lp.parseExpression = function(noIn) { - let start = this.storeCurrentPos() - let expr = this.parseMaybeAssign(noIn) - if (this.tok.type === tt.comma) { - let node = this.startNodeAt(start) - node.expressions = [expr] - while (this.eat(tt.comma)) node.expressions.push(this.parseMaybeAssign(noIn)) - return this.finishNode(node, "SequenceExpression") - } - return expr -} - -lp.parseParenExpression = function() { - this.pushCx() - this.expect(tt.parenL) - let val = this.parseExpression() - this.popCx() - this.expect(tt.parenR) - return val -} - -lp.parseMaybeAssign = function(noIn) { - let start = this.storeCurrentPos() - let left = this.parseMaybeConditional(noIn) - if (this.tok.type.isAssign) { - let node = this.startNodeAt(start) - node.operator = this.tok.value - node.left = this.tok.type === tt.eq ? this.toAssignable(left) : this.checkLVal(left) - this.next() - node.right = this.parseMaybeAssign(noIn) - return this.finishNode(node, "AssignmentExpression") - } - return left -} - -lp.parseMaybeConditional = function(noIn) { - let start = this.storeCurrentPos() - let expr = this.parseExprOps(noIn) - if (this.eat(tt.question)) { - let node = this.startNodeAt(start) - node.test = expr - node.consequent = this.parseMaybeAssign() - node.alternate = this.expect(tt.colon) ? this.parseMaybeAssign(noIn) : this.dummyIdent() - return this.finishNode(node, "ConditionalExpression") - } - return expr -} - -lp.parseExprOps = function(noIn) { - let start = this.storeCurrentPos() - let indent = this.curIndent, line = this.curLineStart - return this.parseExprOp(this.parseMaybeUnary(noIn), start, -1, noIn, indent, line) -} - -lp.parseExprOp = function(left, start, minPrec, noIn, indent, line) { - if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) return left - let prec = this.tok.type.binop - if (prec != null && (!noIn || this.tok.type !== tt._in)) { - if (prec > minPrec) { - let node = this.startNodeAt(start) - node.left = left - node.operator = this.tok.value - this.next() - if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) { - node.right = this.dummyIdent() - } else { - let rightStart = this.storeCurrentPos() - node.right = this.parseExprOp(this.parseMaybeUnary(noIn), rightStart, prec, noIn, indent, line) - } - this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression") - return this.parseExprOp(node, start, minPrec, noIn, indent, line) - } - } - return left -} - -lp.parseMaybeUnary = function(noIn) { - if (this.tok.type.prefix) { - let node = this.startNode(), update = this.tok.type === tt.incDec - node.operator = this.tok.value - node.prefix = true - this.next() - node.argument = this.parseMaybeUnary(noIn) - if (update) node.argument = this.checkLVal(node.argument) - return this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression") - } else if (this.tok.type === tt.ellipsis) { - let node = this.startNode() - this.next() - node.argument = this.parseMaybeUnary(noIn) - return this.finishNode(node, "SpreadElement") - } - let start = this.storeCurrentPos() - let expr = this.parseExprSubscripts() - while (this.tok.type.postfix && !this.canInsertSemicolon()) { - let node = this.startNodeAt(start) - node.operator = this.tok.value - node.prefix = false - node.argument = this.checkLVal(expr) - this.next() - expr = this.finishNode(node, "UpdateExpression") - } - return expr -} - -lp.parseExprSubscripts = function() { - let start = this.storeCurrentPos() - return this.parseSubscripts(this.parseExprAtom(), start, false, this.curIndent, this.curLineStart) -} - -lp.parseSubscripts = function(base, start, noCalls, startIndent, line) { - for (;;) { - if (this.curLineStart != line && this.curIndent <= startIndent && this.tokenStartsLine()) { - if (this.tok.type == tt.dot && this.curIndent == startIndent) - --startIndent - else - return base - } - - if (this.eat(tt.dot)) { - let node = this.startNodeAt(start) - node.object = base - if (this.curLineStart != line && this.curIndent <= startIndent && this.tokenStartsLine()) - node.property = this.dummyIdent() - else - node.property = this.parsePropertyAccessor() || this.dummyIdent() - node.computed = false - base = this.finishNode(node, "MemberExpression") - } else if (this.tok.type == tt.bracketL) { - this.pushCx() - this.next() - let node = this.startNodeAt(start) - node.object = base - node.property = this.parseExpression() - node.computed = true - this.popCx() - this.expect(tt.bracketR) - base = this.finishNode(node, "MemberExpression") - } else if (!noCalls && this.tok.type == tt.parenL) { - let node = this.startNodeAt(start) - node.callee = base - node.arguments = this.parseExprList(tt.parenR) - base = this.finishNode(node, "CallExpression") - } else if (this.tok.type == tt.backQuote) { - let node = this.startNodeAt(start) - node.tag = base - node.quasi = this.parseTemplate() - base = this.finishNode(node, "TaggedTemplateExpression") - } else { - return base - } - } -} - -lp.parseExprAtom = function() { - let node - switch (this.tok.type) { - case tt._this: - case tt._super: - let type = this.tok.type === tt._this ? "ThisExpression" : "Super" - node = this.startNode() - this.next() - return this.finishNode(node, type) - - case tt.name: - let start = this.storeCurrentPos() - let id = this.parseIdent() - return this.eat(tt.arrow) ? this.parseArrowExpression(this.startNodeAt(start), [id]) : id - - case tt.regexp: - node = this.startNode() - let val = this.tok.value - node.regex = {pattern: val.pattern, flags: val.flags} - node.value = val.value - node.raw = this.input.slice(this.tok.start, this.tok.end) - this.next() - return this.finishNode(node, "Literal") - - case tt.num: case tt.string: - node = this.startNode() - node.value = this.tok.value - node.raw = this.input.slice(this.tok.start, this.tok.end) - this.next() - return this.finishNode(node, "Literal") - - case tt._null: case tt._true: case tt._false: - node = this.startNode() - node.value = this.tok.type === tt._null ? null : this.tok.type === tt._true - node.raw = this.tok.type.keyword - this.next() - return this.finishNode(node, "Literal") - - case tt.parenL: - let parenStart = this.storeCurrentPos() - this.next() - let inner = this.parseExpression() - this.expect(tt.parenR) - if (this.eat(tt.arrow)) { - return this.parseArrowExpression(this.startNodeAt(parenStart), inner.expressions || (isDummy(inner) ? [] : [inner])) - } - if (this.options.preserveParens) { - let par = this.startNodeAt(parenStart) - par.expression = inner - inner = this.finishNode(par, "ParenthesizedExpression") - } - return inner - - case tt.bracketL: - node = this.startNode() - node.elements = this.parseExprList(tt.bracketR, true) - return this.finishNode(node, "ArrayExpression") - - case tt.braceL: - return this.parseObj() - - case tt._class: - return this.parseClass() - - case tt._function: - node = this.startNode() - this.next() - return this.parseFunction(node, false) - - case tt._new: - return this.parseNew() - - case tt._yield: - node = this.startNode() - this.next() - if (this.semicolon() || this.canInsertSemicolon() || (this.tok.type != tt.star && !this.tok.type.startsExpr)) { - node.delegate = false - node.argument = null - } else { - node.delegate = this.eat(tt.star) - node.argument = this.parseMaybeAssign() - } - return this.finishNode(node, "YieldExpression") - - case tt.backQuote: - return this.parseTemplate() - - default: - return this.dummyIdent() - } -} - -lp.parseNew = function() { - let node = this.startNode(), startIndent = this.curIndent, line = this.curLineStart - let meta = this.parseIdent(true) - if (this.options.ecmaVersion >= 6 && this.eat(tt.dot)) { - node.meta = meta - node.property = this.parseIdent(true) - return this.finishNode(node, "MetaProperty") - } - let start = this.storeCurrentPos() - node.callee = this.parseSubscripts(this.parseExprAtom(), start, true, startIndent, line) - if (this.tok.type == tt.parenL) { - node.arguments = this.parseExprList(tt.parenR) - } else { - node.arguments = [] - } - return this.finishNode(node, "NewExpression") -} - -lp.parseTemplateElement = function() { - let elem = this.startNode() - elem.value = { - raw: this.input.slice(this.tok.start, this.tok.end).replace(/\r\n?/g, '\n'), - cooked: this.tok.value - } - this.next() - elem.tail = this.tok.type === tt.backQuote - return this.finishNode(elem, "TemplateElement") -} - -lp.parseTemplate = function() { - let node = this.startNode() - this.next() - node.expressions = [] - let curElt = this.parseTemplateElement() - node.quasis = [curElt] - while (!curElt.tail) { - this.next() - node.expressions.push(this.parseExpression()) - if (this.expect(tt.braceR)) { - curElt = this.parseTemplateElement() - } else { - curElt = this.startNode() - curElt.value = {cooked: '', raw: ''} - curElt.tail = true - } - node.quasis.push(curElt) - } - this.expect(tt.backQuote) - return this.finishNode(node, "TemplateLiteral") -} - -lp.parseObj = function() { - let node = this.startNode() - node.properties = [] - this.pushCx() - let indent = this.curIndent + 1, line = this.curLineStart - this.eat(tt.braceL) - if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart } - while (!this.closes(tt.braceR, indent, line)) { - let prop = this.startNode(), isGenerator, start - if (this.options.ecmaVersion >= 6) { - start = this.storeCurrentPos() - prop.method = false - prop.shorthand = false - isGenerator = this.eat(tt.star) - } - this.parsePropertyName(prop) - if (isDummy(prop.key)) { if (isDummy(this.parseMaybeAssign())) this.next(); this.eat(tt.comma); continue } - if (this.eat(tt.colon)) { - prop.kind = "init" - prop.value = this.parseMaybeAssign() - } else if (this.options.ecmaVersion >= 6 && (this.tok.type === tt.parenL || this.tok.type === tt.braceL)) { - prop.kind = "init" - prop.method = true - prop.value = this.parseMethod(isGenerator) - } else if (this.options.ecmaVersion >= 5 && prop.key.type === "Identifier" && - !prop.computed && (prop.key.name === "get" || prop.key.name === "set") && - (this.tok.type != tt.comma && this.tok.type != tt.braceR)) { - prop.kind = prop.key.name - this.parsePropertyName(prop) - prop.value = this.parseMethod(false) - } else { - prop.kind = "init" - if (this.options.ecmaVersion >= 6) { - if (this.eat(tt.eq)) { - let assign = this.startNodeAt(start) - assign.operator = "=" - assign.left = prop.key - assign.right = this.parseMaybeAssign() - prop.value = this.finishNode(assign, "AssignmentExpression") - } else { - prop.value = prop.key - } - } else { - prop.value = this.dummyIdent() - } - prop.shorthand = true - } - node.properties.push(this.finishNode(prop, "Property")) - this.eat(tt.comma) - } - this.popCx() - if (!this.eat(tt.braceR)) { - // If there is no closing brace, make the node span to the start - // of the next token (this is useful for Tern) - this.last.end = this.tok.start - if (this.options.locations) this.last.loc.end = this.tok.loc.start - } - return this.finishNode(node, "ObjectExpression") -} - -lp.parsePropertyName = function(prop) { - if (this.options.ecmaVersion >= 6) { - if (this.eat(tt.bracketL)) { - prop.computed = true - prop.key = this.parseExpression() - this.expect(tt.bracketR) - return - } else { - prop.computed = false - } - } - let key = (this.tok.type === tt.num || this.tok.type === tt.string) ? this.parseExprAtom() : this.parseIdent() - prop.key = key || this.dummyIdent() -} - -lp.parsePropertyAccessor = function() { - if (this.tok.type === tt.name || this.tok.type.keyword) return this.parseIdent() -} - -lp.parseIdent = function() { - let name = this.tok.type === tt.name ? this.tok.value : this.tok.type.keyword - if (!name) return this.dummyIdent() - let node = this.startNode() - this.next() - node.name = name - return this.finishNode(node, "Identifier") -} - -lp.initFunction = function(node) { - node.id = null - node.params = [] - if (this.options.ecmaVersion >= 6) { - node.generator = false - node.expression = false - } -} - -// Convert existing expression atom to assignable pattern -// if possible. - -lp.toAssignable = function(node, binding) { - if (!node || node.type == "Identifier" || (node.type == "MemberExpression" && !binding)) { - // Okay - } else if (node.type == "ParenthesizedExpression") { - node.expression = this.toAssignable(node.expression, binding) - } else if (this.options.ecmaVersion < 6) { - return this.dummyIdent() - } else if (node.type == "ObjectExpression") { - node.type = "ObjectPattern" - let props = node.properties - for (let i = 0; i < props.length; i++) - props[i].value = this.toAssignable(props[i].value, binding) - } else if (node.type == "ArrayExpression") { - node.type = "ArrayPattern" - this.toAssignableList(node.elements, binding) - } else if (node.type == "SpreadElement") { - node.type = "RestElement" - node.argument = this.toAssignable(node.argument, binding) - } else if (node.type == "AssignmentExpression") { - node.type = "AssignmentPattern" - delete node.operator - } else { - return this.dummyIdent() - } - return node -} - -lp.toAssignableList = function(exprList, binding) { - for (let i = 0; i < exprList.length; i++) - exprList[i] = this.toAssignable(exprList[i], binding) - return exprList -} - -lp.parseFunctionParams = function(params) { - params = this.parseExprList(tt.parenR) - return this.toAssignableList(params, true) -} - -lp.parseMethod = function(isGenerator) { - let node = this.startNode() - this.initFunction(node) - node.params = this.parseFunctionParams() - node.generator = isGenerator || false - node.expression = this.options.ecmaVersion >= 6 && this.tok.type !== tt.braceL - node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock() - return this.finishNode(node, "FunctionExpression") -} - -lp.parseArrowExpression = function(node, params) { - this.initFunction(node) - node.params = this.toAssignableList(params, true) - node.expression = this.tok.type !== tt.braceL - node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock() - return this.finishNode(node, "ArrowFunctionExpression") -} - -lp.parseExprList = function(close, allowEmpty) { - this.pushCx() - let indent = this.curIndent, line = this.curLineStart, elts = [] - this.next(); // Opening bracket - while (!this.closes(close, indent + 1, line)) { - if (this.eat(tt.comma)) { - elts.push(allowEmpty ? null : this.dummyIdent()) - continue - } - let elt = this.parseMaybeAssign() - if (isDummy(elt)) { - if (this.closes(close, indent, line)) break - this.next() - } else { - elts.push(elt) - } - this.eat(tt.comma) - } - this.popCx() - if (!this.eat(close)) { - // If there is no closing brace, make the node span to the start - // of the next token (this is useful for Tern) - this.last.end = this.tok.start - if (this.options.locations) this.last.loc.end = this.tok.loc.start - } - return elts -} diff --git a/node_modules/acorn/src/loose/index.js b/node_modules/acorn/src/loose/index.js deleted file mode 100644 index 7b3fad1..0000000 --- a/node_modules/acorn/src/loose/index.js +++ /dev/null @@ -1,50 +0,0 @@ -// Acorn: Loose parser -// -// This module provides an alternative parser (`parse_dammit`) that -// exposes that same interface as `parse`, but will try to parse -// anything as JavaScript, repairing syntax error the best it can. -// There are circumstances in which it will raise an error and give -// up, but they are very rare. The resulting AST will be a mostly -// valid JavaScript AST (as per the [Mozilla parser API][api], except -// that: -// -// - Return outside functions is allowed -// -// - Label consistency (no conflicts, break only to existing labels) -// is not enforced. -// -// - Bogus Identifier nodes with a name of `"✖"` are inserted whenever -// the parser got too confused to return anything meaningful. -// -// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API -// -// The expected use for this is to *first* try `acorn.parse`, and only -// if that fails switch to `parse_dammit`. The loose parser might -// parse badly indented code incorrectly, so **don't** use it as -// your default parser. -// -// Quite a lot of acorn.js is duplicated here. The alternative was to -// add a *lot* of extra cruft to that file, making it less readable -// and slower. Copying and editing the code allowed me to make -// invasive changes and simplifications without creating a complicated -// tangle. - -import * as acorn from ".." -import {LooseParser, pluginsLoose} from "./state" -import "./tokenize" -import "./statement" -import "./expression" - -export {LooseParser, pluginsLoose} from "./state" - -acorn.defaultOptions.tabSize = 4 - -export function parse_dammit(input, options) { - let p = new LooseParser(input, options) - p.next() - return p.parseTopLevel() -} - -acorn.parse_dammit = parse_dammit -acorn.LooseParser = LooseParser -acorn.pluginsLoose = pluginsLoose diff --git a/node_modules/acorn/src/loose/parseutil.js b/node_modules/acorn/src/loose/parseutil.js deleted file mode 100644 index c5ee096..0000000 --- a/node_modules/acorn/src/loose/parseutil.js +++ /dev/null @@ -1 +0,0 @@ -export function isDummy(node) { return node.name == "✖" } \ No newline at end of file diff --git a/node_modules/acorn/src/loose/state.js b/node_modules/acorn/src/loose/state.js deleted file mode 100644 index de33831..0000000 --- a/node_modules/acorn/src/loose/state.js +++ /dev/null @@ -1,160 +0,0 @@ -import {tokenizer, SourceLocation, tokTypes as tt, Node, lineBreak, isNewLine} from ".." - -// Registered plugins -export const pluginsLoose = {} - -export class LooseParser { - constructor(input, options) { - this.toks = tokenizer(input, options) - this.options = this.toks.options - this.input = this.toks.input - this.tok = this.last = {type: tt.eof, start: 0, end: 0} - if (this.options.locations) { - let here = this.toks.curPosition() - this.tok.loc = new SourceLocation(this.toks, here, here) - } - this.ahead = []; // Tokens ahead - this.context = []; // Indentation contexted - this.curIndent = 0 - this.curLineStart = 0 - this.nextLineStart = this.lineEnd(this.curLineStart) + 1 - // Load plugins - this.options.pluginsLoose = options.pluginsLoose || {} - this.loadPlugins(this.options.pluginsLoose) - } - - startNode() { - return new Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null) - } - - storeCurrentPos() { - return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start - } - - startNodeAt(pos) { - if (this.options.locations) { - return new Node(this.toks, pos[0], pos[1]) - } else { - return new Node(this.toks, pos) - } - } - - finishNode(node, type) { - node.type = type - node.end = this.last.end - if (this.options.locations) - node.loc.end = this.last.loc.end - if (this.options.ranges) - node.range[1] = this.last.end - return node - } - - dummyNode(type) { - let dummy = this.startNode() - dummy.type = type - dummy.end = dummy.start - if (this.options.locations) - dummy.loc.end = dummy.loc.start - if (this.options.ranges) - dummy.range[1] = dummy.start - this.last = {type: tt.name, start: dummy.start, end: dummy.start, loc: dummy.loc} - return dummy - } - - dummyIdent() { - let dummy = this.dummyNode("Identifier") - dummy.name = "✖" - return dummy - } - - dummyString() { - let dummy = this.dummyNode("Literal") - dummy.value = dummy.raw = "✖" - return dummy - } - - eat(type) { - if (this.tok.type === type) { - this.next() - return true - } else { - return false - } - } - - isContextual(name) { - return this.tok.type === tt.name && this.tok.value === name - } - - eatContextual(name) { - return this.tok.value === name && this.eat(tt.name) - } - - canInsertSemicolon() { - return this.tok.type === tt.eof || this.tok.type === tt.braceR || - lineBreak.test(this.input.slice(this.last.end, this.tok.start)) - } - - semicolon() { - return this.eat(tt.semi) - } - - expect(type) { - if (this.eat(type)) return true - for (let i = 1; i <= 2; i++) { - if (this.lookAhead(i).type == type) { - for (let j = 0; j < i; j++) this.next() - return true - } - } - } - - pushCx() { - this.context.push(this.curIndent) - } - - popCx() { - this.curIndent = this.context.pop() - } - - lineEnd(pos) { - while (pos < this.input.length && !isNewLine(this.input.charCodeAt(pos))) ++pos - return pos - } - - indentationAfter(pos) { - for (let count = 0;; ++pos) { - let ch = this.input.charCodeAt(pos) - if (ch === 32) ++count - else if (ch === 9) count += this.options.tabSize - else return count - } - } - - closes(closeTok, indent, line, blockHeuristic) { - if (this.tok.type === closeTok || this.tok.type === tt.eof) return true - return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() && - (!blockHeuristic || this.nextLineStart >= this.input.length || - this.indentationAfter(this.nextLineStart) < indent) - } - - tokenStartsLine() { - for (let p = this.tok.start - 1; p >= this.curLineStart; --p) { - let ch = this.input.charCodeAt(p) - if (ch !== 9 && ch !== 32) return false - } - return true - } - - extend(name, f) { - this[name] = f(this[name]) - } - - loadPlugins(pluginConfigs) { - for (let name in pluginConfigs) { - let plugin = pluginsLoose[name] - if (!plugin) throw new Error("Plugin '" + name + "' not found") - plugin(this, pluginConfigs[name]) - } - } -} diff --git a/node_modules/acorn/src/loose/statement.js b/node_modules/acorn/src/loose/statement.js deleted file mode 100644 index cffec9e..0000000 --- a/node_modules/acorn/src/loose/statement.js +++ /dev/null @@ -1,420 +0,0 @@ -import {LooseParser} from "./state" -import {isDummy} from "./parseutil" -import {getLineInfo, tokTypes as tt} from ".." - -const lp = LooseParser.prototype - -lp.parseTopLevel = function() { - let node = this.startNodeAt(this.options.locations ? [0, getLineInfo(this.input, 0)] : 0) - node.body = [] - while (this.tok.type !== tt.eof) node.body.push(this.parseStatement()) - this.last = this.tok - if (this.options.ecmaVersion >= 6) { - node.sourceType = this.options.sourceType - } - return this.finishNode(node, "Program") -} - -lp.parseStatement = function() { - let starttype = this.tok.type, node = this.startNode() - - switch (starttype) { - case tt._break: case tt._continue: - this.next() - let isBreak = starttype === tt._break - if (this.semicolon() || this.canInsertSemicolon()) { - node.label = null - } else { - node.label = this.tok.type === tt.name ? this.parseIdent() : null - this.semicolon() - } - return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") - - case tt._debugger: - this.next() - this.semicolon() - return this.finishNode(node, "DebuggerStatement") - - case tt._do: - this.next() - node.body = this.parseStatement() - node.test = this.eat(tt._while) ? this.parseParenExpression() : this.dummyIdent() - this.semicolon() - return this.finishNode(node, "DoWhileStatement") - - case tt._for: - this.next() - this.pushCx() - this.expect(tt.parenL) - if (this.tok.type === tt.semi) return this.parseFor(node, null) - if (this.tok.type === tt._var || this.tok.type === tt._let || this.tok.type === tt._const) { - let init = this.parseVar(true) - if (init.declarations.length === 1 && (this.tok.type === tt._in || this.isContextual("of"))) { - return this.parseForIn(node, init) - } - return this.parseFor(node, init) - } - let init = this.parseExpression(true) - if (this.tok.type === tt._in || this.isContextual("of")) - return this.parseForIn(node, this.toAssignable(init)) - return this.parseFor(node, init) - - case tt._function: - this.next() - return this.parseFunction(node, true) - - case tt._if: - this.next() - node.test = this.parseParenExpression() - node.consequent = this.parseStatement() - node.alternate = this.eat(tt._else) ? this.parseStatement() : null - return this.finishNode(node, "IfStatement") - - case tt._return: - this.next() - if (this.eat(tt.semi) || this.canInsertSemicolon()) node.argument = null - else { node.argument = this.parseExpression(); this.semicolon() } - return this.finishNode(node, "ReturnStatement") - - case tt._switch: - let blockIndent = this.curIndent, line = this.curLineStart - this.next() - node.discriminant = this.parseParenExpression() - node.cases = [] - this.pushCx() - this.expect(tt.braceL) - - let cur - while (!this.closes(tt.braceR, blockIndent, line, true)) { - if (this.tok.type === tt._case || this.tok.type === tt._default) { - let isCase = this.tok.type === tt._case - if (cur) this.finishNode(cur, "SwitchCase") - node.cases.push(cur = this.startNode()) - cur.consequent = [] - this.next() - if (isCase) cur.test = this.parseExpression() - else cur.test = null - this.expect(tt.colon) - } else { - if (!cur) { - node.cases.push(cur = this.startNode()) - cur.consequent = [] - cur.test = null - } - cur.consequent.push(this.parseStatement()) - } - } - if (cur) this.finishNode(cur, "SwitchCase") - this.popCx() - this.eat(tt.braceR) - return this.finishNode(node, "SwitchStatement") - - case tt._throw: - this.next() - node.argument = this.parseExpression() - this.semicolon() - return this.finishNode(node, "ThrowStatement") - - case tt._try: - this.next() - node.block = this.parseBlock() - node.handler = null - if (this.tok.type === tt._catch) { - let clause = this.startNode() - this.next() - this.expect(tt.parenL) - clause.param = this.toAssignable(this.parseExprAtom(), true) - this.expect(tt.parenR) - clause.body = this.parseBlock() - node.handler = this.finishNode(clause, "CatchClause") - } - node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null - if (!node.handler && !node.finalizer) return node.block - return this.finishNode(node, "TryStatement") - - case tt._var: - case tt._let: - case tt._const: - return this.parseVar() - - case tt._while: - this.next() - node.test = this.parseParenExpression() - node.body = this.parseStatement() - return this.finishNode(node, "WhileStatement") - - case tt._with: - this.next() - node.object = this.parseParenExpression() - node.body = this.parseStatement() - return this.finishNode(node, "WithStatement") - - case tt.braceL: - return this.parseBlock() - - case tt.semi: - this.next() - return this.finishNode(node, "EmptyStatement") - - case tt._class: - return this.parseClass(true) - - case tt._import: - return this.parseImport() - - case tt._export: - return this.parseExport() - - default: - let expr = this.parseExpression() - if (isDummy(expr)) { - this.next() - if (this.tok.type === tt.eof) return this.finishNode(node, "EmptyStatement") - return this.parseStatement() - } else if (starttype === tt.name && expr.type === "Identifier" && this.eat(tt.colon)) { - node.body = this.parseStatement() - node.label = expr - return this.finishNode(node, "LabeledStatement") - } else { - node.expression = expr - this.semicolon() - return this.finishNode(node, "ExpressionStatement") - } - } -} - -lp.parseBlock = function() { - let node = this.startNode() - this.pushCx() - this.expect(tt.braceL) - let blockIndent = this.curIndent, line = this.curLineStart - node.body = [] - while (!this.closes(tt.braceR, blockIndent, line, true)) - node.body.push(this.parseStatement()) - this.popCx() - this.eat(tt.braceR) - return this.finishNode(node, "BlockStatement") -} - -lp.parseFor = function(node, init) { - node.init = init - node.test = node.update = null - if (this.eat(tt.semi) && this.tok.type !== tt.semi) node.test = this.parseExpression() - if (this.eat(tt.semi) && this.tok.type !== tt.parenR) node.update = this.parseExpression() - this.popCx() - this.expect(tt.parenR) - node.body = this.parseStatement() - return this.finishNode(node, "ForStatement") -} - -lp.parseForIn = function(node, init) { - let type = this.tok.type === tt._in ? "ForInStatement" : "ForOfStatement" - this.next() - node.left = init - node.right = this.parseExpression() - this.popCx() - this.expect(tt.parenR) - node.body = this.parseStatement() - return this.finishNode(node, type) -} - -lp.parseVar = function(noIn) { - let node = this.startNode() - node.kind = this.tok.type.keyword - this.next() - node.declarations = [] - do { - let decl = this.startNode() - decl.id = this.options.ecmaVersion >= 6 ? this.toAssignable(this.parseExprAtom(), true) : this.parseIdent() - decl.init = this.eat(tt.eq) ? this.parseMaybeAssign(noIn) : null - node.declarations.push(this.finishNode(decl, "VariableDeclarator")) - } while (this.eat(tt.comma)) - if (!node.declarations.length) { - let decl = this.startNode() - decl.id = this.dummyIdent() - node.declarations.push(this.finishNode(decl, "VariableDeclarator")) - } - if (!noIn) this.semicolon() - return this.finishNode(node, "VariableDeclaration") -} - -lp.parseClass = function(isStatement) { - let node = this.startNode() - this.next() - if (this.tok.type === tt.name) node.id = this.parseIdent() - else if (isStatement) node.id = this.dummyIdent() - else node.id = null - node.superClass = this.eat(tt._extends) ? this.parseExpression() : null - node.body = this.startNode() - node.body.body = [] - this.pushCx() - let indent = this.curIndent + 1, line = this.curLineStart - this.eat(tt.braceL) - if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart } - while (!this.closes(tt.braceR, indent, line)) { - if (this.semicolon()) continue - let method = this.startNode(), isGenerator - if (this.options.ecmaVersion >= 6) { - method.static = false - isGenerator = this.eat(tt.star) - } - this.parsePropertyName(method) - if (isDummy(method.key)) { if (isDummy(this.parseMaybeAssign())) this.next(); this.eat(tt.comma); continue } - if (method.key.type === "Identifier" && !method.computed && method.key.name === "static" && - (this.tok.type != tt.parenL && this.tok.type != tt.braceL)) { - method.static = true - isGenerator = this.eat(tt.star) - this.parsePropertyName(method) - } else { - method.static = false - } - if (this.options.ecmaVersion >= 5 && method.key.type === "Identifier" && - !method.computed && (method.key.name === "get" || method.key.name === "set") && - this.tok.type !== tt.parenL && this.tok.type !== tt.braceL) { - method.kind = method.key.name - this.parsePropertyName(method) - method.value = this.parseMethod(false) - } else { - if (!method.computed && !method.static && !isGenerator && ( - method.key.type === "Identifier" && method.key.name === "constructor" || - method.key.type === "Literal" && method.key.value === "constructor")) { - method.kind = "constructor" - } else { - method.kind = "method" - } - method.value = this.parseMethod(isGenerator) - } - node.body.body.push(this.finishNode(method, "MethodDefinition")) - } - this.popCx() - if (!this.eat(tt.braceR)) { - // If there is no closing brace, make the node span to the start - // of the next token (this is useful for Tern) - this.last.end = this.tok.start - if (this.options.locations) this.last.loc.end = this.tok.loc.start - } - this.semicolon() - this.finishNode(node.body, "ClassBody") - return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") -} - -lp.parseFunction = function(node, isStatement) { - this.initFunction(node) - if (this.options.ecmaVersion >= 6) { - node.generator = this.eat(tt.star) - } - if (this.tok.type === tt.name) node.id = this.parseIdent() - else if (isStatement) node.id = this.dummyIdent() - node.params = this.parseFunctionParams() - node.body = this.parseBlock() - return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression") -} - -lp.parseExport = function() { - let node = this.startNode() - this.next() - if (this.eat(tt.star)) { - node.source = this.eatContextual("from") ? this.parseExprAtom() : null - return this.finishNode(node, "ExportAllDeclaration") - } - if (this.eat(tt._default)) { - let expr = this.parseMaybeAssign() - if (expr.id) { - switch (expr.type) { - case "FunctionExpression": expr.type = "FunctionDeclaration"; break - case "ClassExpression": expr.type = "ClassDeclaration"; break - } - } - node.declaration = expr - this.semicolon() - return this.finishNode(node, "ExportDefaultDeclaration") - } - if (this.tok.type.keyword) { - node.declaration = this.parseStatement() - node.specifiers = [] - node.source = null - } else { - node.declaration = null - node.specifiers = this.parseExportSpecifierList() - node.source = this.eatContextual("from") ? this.parseExprAtom() : null - this.semicolon() - } - return this.finishNode(node, "ExportNamedDeclaration") -} - -lp.parseImport = function() { - let node = this.startNode() - this.next() - if (this.tok.type === tt.string) { - node.specifiers = [] - node.source = this.parseExprAtom() - node.kind = '' - } else { - let elt - if (this.tok.type === tt.name && this.tok.value !== "from") { - elt = this.startNode() - elt.local = this.parseIdent() - this.finishNode(elt, "ImportDefaultSpecifier") - this.eat(tt.comma) - } - node.specifiers = this.parseImportSpecifierList() - node.source = this.eatContextual("from") && this.tok.type == tt.string ? this.parseExprAtom() : this.dummyString() - if (elt) node.specifiers.unshift(elt) - } - this.semicolon() - return this.finishNode(node, "ImportDeclaration") -} - -lp.parseImportSpecifierList = function() { - let elts = [] - if (this.tok.type === tt.star) { - let elt = this.startNode() - this.next() - if (this.eatContextual("as")) elt.local = this.parseIdent() - elts.push(this.finishNode(elt, "ImportNamespaceSpecifier")) - } else { - let indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart - this.pushCx() - this.eat(tt.braceL) - if (this.curLineStart > continuedLine) continuedLine = this.curLineStart - while (!this.closes(tt.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) { - let elt = this.startNode() - if (this.eat(tt.star)) { - elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent() - this.finishNode(elt, "ImportNamespaceSpecifier") - } else { - if (this.isContextual("from")) break - elt.imported = this.parseIdent() - if (isDummy(elt.imported)) break - elt.local = this.eatContextual("as") ? this.parseIdent() : elt.imported - this.finishNode(elt, "ImportSpecifier") - } - elts.push(elt) - this.eat(tt.comma) - } - this.eat(tt.braceR) - this.popCx() - } - return elts -} - -lp.parseExportSpecifierList = function() { - let elts = [] - let indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart - this.pushCx() - this.eat(tt.braceL) - if (this.curLineStart > continuedLine) continuedLine = this.curLineStart - while (!this.closes(tt.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) { - if (this.isContextual("from")) break - let elt = this.startNode() - elt.local = this.parseIdent() - if (isDummy(elt.local)) break - elt.exported = this.eatContextual("as") ? this.parseIdent() : elt.local - this.finishNode(elt, "ExportSpecifier") - elts.push(elt) - this.eat(tt.comma) - } - this.eat(tt.braceR) - this.popCx() - return elts -} diff --git a/node_modules/acorn/src/loose/tokenize.js b/node_modules/acorn/src/loose/tokenize.js deleted file mode 100644 index c20db22..0000000 --- a/node_modules/acorn/src/loose/tokenize.js +++ /dev/null @@ -1,108 +0,0 @@ -import {tokTypes as tt, Token, isNewLine, SourceLocation, getLineInfo, lineBreakG} from ".." -import {LooseParser} from "./state" - -const lp = LooseParser.prototype - -function isSpace(ch) { - return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || isNewLine(ch) -} - -lp.next = function() { - this.last = this.tok - if (this.ahead.length) - this.tok = this.ahead.shift() - else - this.tok = this.readToken() - - if (this.tok.start >= this.nextLineStart) { - while (this.tok.start >= this.nextLineStart) { - this.curLineStart = this.nextLineStart - this.nextLineStart = this.lineEnd(this.curLineStart) + 1 - } - this.curIndent = this.indentationAfter(this.curLineStart) - } -} - -lp.readToken = function() { - for (;;) { - try { - this.toks.next() - if (this.toks.type === tt.dot && - this.input.substr(this.toks.end, 1) === "." && - this.options.ecmaVersion >= 6) { - this.toks.end++ - this.toks.type = tt.ellipsis - } - return new Token(this.toks) - } catch(e) { - if (!(e instanceof SyntaxError)) throw e - - // Try to skip some text, based on the error message, and then continue - let msg = e.message, pos = e.raisedAt, replace = true - if (/unterminated/i.test(msg)) { - pos = this.lineEnd(e.pos + 1) - if (/string/.test(msg)) { - replace = {start: e.pos, end: pos, type: tt.string, value: this.input.slice(e.pos + 1, pos)} - } else if (/regular expr/i.test(msg)) { - let re = this.input.slice(e.pos, pos) - try { re = new RegExp(re) } catch(e) {} - replace = {start: e.pos, end: pos, type: tt.regexp, value: re} - } else if (/template/.test(msg)) { - replace = {start: e.pos, end: pos, - type: tt.template, - value: this.input.slice(e.pos, pos)} - } else { - replace = false - } - } else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) { - while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) ++pos - } else if (/character escape|expected hexadecimal/i.test(msg)) { - while (pos < this.input.length) { - let ch = this.input.charCodeAt(pos++) - if (ch === 34 || ch === 39 || isNewLine(ch)) break - } - } else if (/unexpected character/i.test(msg)) { - pos++ - replace = false - } else if (/regular expression/i.test(msg)) { - replace = true - } else { - throw e - } - this.resetTo(pos) - if (replace === true) replace = {start: pos, end: pos, type: tt.name, value: "✖"} - if (replace) { - if (this.options.locations) - replace.loc = new SourceLocation( - this.toks, - getLineInfo(this.input, replace.start), - getLineInfo(this.input, replace.end)) - return replace - } - } - } -} - -lp.resetTo = function(pos) { - this.toks.pos = pos - let ch = this.input.charAt(pos - 1) - this.toks.exprAllowed = !ch || /[\[\{\(,;:?\/*=+\-~!|&%^<>]/.test(ch) || - /[enwfd]/.test(ch) && - /\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos)) - - if (this.options.locations) { - this.toks.curLine = 1 - this.toks.lineStart = lineBreakG.lastIndex = 0 - let match - while ((match = lineBreakG.exec(this.input)) && match.index < pos) { - ++this.toks.curLine - this.toks.lineStart = match.index + match[0].length - } - } -} - -lp.lookAhead = function(n) { - while (n > this.ahead.length) - this.ahead.push(this.readToken()) - return this.ahead[n - 1] -} diff --git a/node_modules/acorn/src/lval.js b/node_modules/acorn/src/lval.js deleted file mode 100644 index 1e2508e..0000000 --- a/node_modules/acorn/src/lval.js +++ /dev/null @@ -1,215 +0,0 @@ -import {types as tt} from "./tokentype" -import {Parser} from "./state" -import {has} from "./util" - -const pp = Parser.prototype - -// Convert existing expression atom to assignable pattern -// if possible. - -pp.toAssignable = function(node, isBinding) { - if (this.options.ecmaVersion >= 6 && node) { - switch (node.type) { - case "Identifier": - case "ObjectPattern": - case "ArrayPattern": - break - - case "ObjectExpression": - node.type = "ObjectPattern" - for (let i = 0; i < node.properties.length; i++) { - let prop = node.properties[i] - if (prop.kind !== "init") this.raise(prop.key.start, "Object pattern can't contain getter or setter") - this.toAssignable(prop.value, isBinding) - } - break - - case "ArrayExpression": - node.type = "ArrayPattern" - this.toAssignableList(node.elements, isBinding) - break - - case "AssignmentExpression": - if (node.operator === "=") { - node.type = "AssignmentPattern" - delete node.operator - // falls through to AssignmentPattern - } else { - this.raise(node.left.end, "Only '=' operator can be used for specifying default value.") - break; - } - - case "AssignmentPattern": - if (node.right.type === "YieldExpression") - this.raise(node.right.start, "Yield expression cannot be a default value") - break; - - case "ParenthesizedExpression": - node.expression = this.toAssignable(node.expression, isBinding) - break - - case "MemberExpression": - if (!isBinding) break - - default: - this.raise(node.start, "Assigning to rvalue") - } - } - return node -} - -// Convert list of expression atoms to binding list. - -pp.toAssignableList = function(exprList, isBinding) { - let end = exprList.length - if (end) { - let last = exprList[end - 1] - if (last && last.type == "RestElement") { - --end - } else if (last && last.type == "SpreadElement") { - last.type = "RestElement" - let arg = last.argument - this.toAssignable(arg, isBinding) - if (arg.type !== "Identifier" && arg.type !== "MemberExpression" && arg.type !== "ArrayPattern") - this.unexpected(arg.start) - --end - } - - if (isBinding && last.type === "RestElement" && last.argument.type !== "Identifier") - this.unexpected(last.argument.start); - } - for (let i = 0; i < end; i++) { - let elt = exprList[i] - if (elt) this.toAssignable(elt, isBinding) - } - return exprList -} - -// Parses spread element. - -pp.parseSpread = function(refDestructuringErrors) { - let node = this.startNode() - this.next() - node.argument = this.parseMaybeAssign(refDestructuringErrors) - return this.finishNode(node, "SpreadElement") -} - -pp.parseRest = function(allowNonIdent) { - let node = this.startNode() - this.next() - - // RestElement inside of a function parameter must be an identifier - if (allowNonIdent) node.argument = this.type === tt.name ? this.parseIdent() : this.unexpected() - else node.argument = this.type === tt.name || this.type === tt.bracketL ? this.parseBindingAtom() : this.unexpected() - - return this.finishNode(node, "RestElement") -} - -// Parses lvalue (assignable) atom. - -pp.parseBindingAtom = function() { - if (this.options.ecmaVersion < 6) return this.parseIdent() - switch (this.type) { - case tt.name: - return this.parseIdent() - - case tt.bracketL: - let node = this.startNode() - this.next() - node.elements = this.parseBindingList(tt.bracketR, true, true) - return this.finishNode(node, "ArrayPattern") - - case tt.braceL: - return this.parseObj(true) - - default: - this.unexpected() - } -} - -pp.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowNonIdent) { - let elts = [], first = true - while (!this.eat(close)) { - if (first) first = false - else this.expect(tt.comma) - if (allowEmpty && this.type === tt.comma) { - elts.push(null) - } else if (allowTrailingComma && this.afterTrailingComma(close)) { - break - } else if (this.type === tt.ellipsis) { - let rest = this.parseRest(allowNonIdent) - this.parseBindingListItem(rest) - elts.push(rest) - this.expect(close) - break - } else { - let elem = this.parseMaybeDefault(this.start, this.startLoc) - this.parseBindingListItem(elem) - elts.push(elem) - } - } - return elts -} - -pp.parseBindingListItem = function(param) { - return param -} - -// Parses assignment pattern around given atom if possible. - -pp.parseMaybeDefault = function(startPos, startLoc, left) { - left = left || this.parseBindingAtom() - if (this.options.ecmaVersion < 6 || !this.eat(tt.eq)) return left - let node = this.startNodeAt(startPos, startLoc) - node.left = left - node.right = this.parseMaybeAssign() - return this.finishNode(node, "AssignmentPattern") -} - -// Verify that a node is an lval — something that can be assigned -// to. - -pp.checkLVal = function(expr, isBinding, checkClashes) { - switch (expr.type) { - case "Identifier": - if (this.strict && this.reservedWordsStrictBind.test(expr.name)) - this.raise(expr.start, (isBinding ? "Binding " : "Assigning to ") + expr.name + " in strict mode") - if (checkClashes) { - if (has(checkClashes, expr.name)) - this.raise(expr.start, "Argument name clash") - checkClashes[expr.name] = true - } - break - - case "MemberExpression": - if (isBinding) this.raise(expr.start, (isBinding ? "Binding" : "Assigning to") + " member expression") - break - - case "ObjectPattern": - for (let i = 0; i < expr.properties.length; i++) - this.checkLVal(expr.properties[i].value, isBinding, checkClashes) - break - - case "ArrayPattern": - for (let i = 0; i < expr.elements.length; i++) { - let elem = expr.elements[i] - if (elem) this.checkLVal(elem, isBinding, checkClashes) - } - break - - case "AssignmentPattern": - this.checkLVal(expr.left, isBinding, checkClashes) - break - - case "RestElement": - this.checkLVal(expr.argument, isBinding, checkClashes) - break - - case "ParenthesizedExpression": - this.checkLVal(expr.expression, isBinding, checkClashes) - break - - default: - this.raise(expr.start, (isBinding ? "Binding" : "Assigning to") + " rvalue") - } -} diff --git a/node_modules/acorn/src/node.js b/node_modules/acorn/src/node.js deleted file mode 100644 index 76b5b09..0000000 --- a/node_modules/acorn/src/node.js +++ /dev/null @@ -1,50 +0,0 @@ -import {Parser} from "./state" -import {SourceLocation} from "./locutil" - -export class Node { - constructor(parser, pos, loc) { - this.type = "" - this.start = pos - this.end = 0 - if (parser.options.locations) - this.loc = new SourceLocation(parser, loc) - if (parser.options.directSourceFile) - this.sourceFile = parser.options.directSourceFile - if (parser.options.ranges) - this.range = [pos, 0] - } -} - -// Start an AST node, attaching a start offset. - -const pp = Parser.prototype - -pp.startNode = function() { - return new Node(this, this.start, this.startLoc) -} - -pp.startNodeAt = function(pos, loc) { - return new Node(this, pos, loc) -} - -// Finish an AST node, adding `type` and `end` properties. - -function finishNodeAt(node, type, pos, loc) { - node.type = type - node.end = pos - if (this.options.locations) - node.loc.end = loc - if (this.options.ranges) - node.range[1] = pos - return node -} - -pp.finishNode = function(node, type) { - return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) -} - -// Finish node at given position - -pp.finishNodeAt = function(node, type, pos, loc) { - return finishNodeAt.call(this, node, type, pos, loc) -} diff --git a/node_modules/acorn/src/options.js b/node_modules/acorn/src/options.js deleted file mode 100644 index f2d2981..0000000 --- a/node_modules/acorn/src/options.js +++ /dev/null @@ -1,121 +0,0 @@ -import {has, isArray} from "./util" -import {SourceLocation} from "./locutil" - -// A second optional argument can be given to further configure -// the parser process. These options are recognized: - -export const defaultOptions = { - // `ecmaVersion` indicates the ECMAScript version to parse. Must - // be either 3, or 5, or 6. This influences support for strict - // mode, the set of reserved words, support for getters and - // setters and other features. - ecmaVersion: 5, - // Source type ("script" or "module") for different semantics - sourceType: "script", - // `onInsertedSemicolon` can be a callback that will be called - // when a semicolon is automatically inserted. It will be passed - // th position of the comma as an offset, and if `locations` is - // enabled, it is given the location as a `{line, column}` object - // as second argument. - onInsertedSemicolon: null, - // `onTrailingComma` is similar to `onInsertedSemicolon`, but for - // trailing commas. - onTrailingComma: null, - // By default, reserved words are only enforced if ecmaVersion >= 5. - // Set `allowReserved` to a boolean value to explicitly turn this on - // an off. When this option has the value "never", reserved words - // and keywords can also not be used as property names. - allowReserved: null, - // When enabled, a return at the top level is not considered an - // error. - allowReturnOutsideFunction: false, - // When enabled, import/export statements are not constrained to - // appearing at the top of the program. - allowImportExportEverywhere: false, - // When enabled, hashbang directive in the beginning of file - // is allowed and treated as a line comment. - allowHashBang: false, - // When `locations` is on, `loc` properties holding objects with - // `start` and `end` properties in `{line, column}` form (with - // line being 1-based and column 0-based) will be attached to the - // nodes. - locations: false, - // A function can be passed as `onToken` option, which will - // cause Acorn to call that function with object in the same - // format as tokens returned from `tokenizer().getToken()`. Note - // that you are not allowed to call the parser from the - // callback—that will corrupt its internal state. - onToken: null, - // A function can be passed as `onComment` option, which will - // cause Acorn to call that function with `(block, text, start, - // end)` parameters whenever a comment is skipped. `block` is a - // boolean indicating whether this is a block (`/* */`) comment, - // `text` is the content of the comment, and `start` and `end` are - // character offsets that denote the start and end of the comment. - // When the `locations` option is on, two more parameters are - // passed, the full `{line, column}` locations of the start and - // end of the comments. Note that you are not allowed to call the - // parser from the callback—that will corrupt its internal state. - onComment: null, - // Nodes have their start and end characters offsets recorded in - // `start` and `end` properties (directly on the node, rather than - // the `loc` object, which holds line/column data. To also add a - // [semi-standardized][range] `range` property holding a `[start, - // end]` array with the same numbers, set the `ranges` option to - // `true`. - // - // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678 - ranges: false, - // It is possible to parse multiple files into a single AST by - // passing the tree produced by parsing the first file as - // `program` option in subsequent parses. This will add the - // toplevel forms of the parsed file to the `Program` (top) node - // of an existing parse tree. - program: null, - // When `locations` is on, you can pass this to record the source - // file in every node's `loc` object. - sourceFile: null, - // This value, if given, is stored in every node, whether - // `locations` is on or off. - directSourceFile: null, - // When enabled, parenthesized expressions are represented by - // (non-standard) ParenthesizedExpression nodes - preserveParens: false, - plugins: {} -} - -// Interpret and default an options object - -export function getOptions(opts) { - let options = {} - for (let opt in defaultOptions) - options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt] - if (options.allowReserved == null) - options.allowReserved = options.ecmaVersion < 5 - - if (isArray(options.onToken)) { - let tokens = options.onToken - options.onToken = (token) => tokens.push(token) - } - if (isArray(options.onComment)) - options.onComment = pushComment(options, options.onComment) - - return options -} - -function pushComment(options, array) { - return function (block, text, start, end, startLoc, endLoc) { - let comment = { - type: block ? 'Block' : 'Line', - value: text, - start: start, - end: end - } - if (options.locations) - comment.loc = new SourceLocation(this, startLoc, endLoc) - if (options.ranges) - comment.range = [start, end] - array.push(comment) - } -} - diff --git a/node_modules/acorn/src/parseutil.js b/node_modules/acorn/src/parseutil.js deleted file mode 100644 index 9c71c48..0000000 --- a/node_modules/acorn/src/parseutil.js +++ /dev/null @@ -1,102 +0,0 @@ -import {types as tt} from "./tokentype" -import {Parser} from "./state" -import {lineBreak} from "./whitespace" - -const pp = Parser.prototype - -// ## Parser utilities - -// Test whether a statement node is the string literal `"use strict"`. - -pp.isUseStrict = function(stmt) { - return this.options.ecmaVersion >= 5 && stmt.type === "ExpressionStatement" && - stmt.expression.type === "Literal" && - stmt.expression.raw.slice(1, -1) === "use strict" -} - -// Predicate that tests whether the next token is of the given -// type, and if yes, consumes it as a side effect. - -pp.eat = function(type) { - if (this.type === type) { - this.next() - return true - } else { - return false - } -} - -// Tests whether parsed token is a contextual keyword. - -pp.isContextual = function(name) { - return this.type === tt.name && this.value === name -} - -// Consumes contextual keyword if possible. - -pp.eatContextual = function(name) { - return this.value === name && this.eat(tt.name) -} - -// Asserts that following token is given contextual keyword. - -pp.expectContextual = function(name) { - if (!this.eatContextual(name)) this.unexpected() -} - -// Test whether a semicolon can be inserted at the current position. - -pp.canInsertSemicolon = function() { - return this.type === tt.eof || - this.type === tt.braceR || - lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) -} - -pp.insertSemicolon = function() { - if (this.canInsertSemicolon()) { - if (this.options.onInsertedSemicolon) - this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc) - return true - } -} - -// Consume a semicolon, or, failing that, see if we are allowed to -// pretend that there is a semicolon at this position. - -pp.semicolon = function() { - if (!this.eat(tt.semi) && !this.insertSemicolon()) this.unexpected() -} - -pp.afterTrailingComma = function(tokType) { - if (this.type == tokType) { - if (this.options.onTrailingComma) - this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc) - this.next() - return true - } -} - -// Expect a token of a given type. If found, consume it, otherwise, -// raise an unexpected token error. - -pp.expect = function(type) { - this.eat(type) || this.unexpected() -} - -// Raise an unexpected token error. - -pp.unexpected = function(pos) { - this.raise(pos != null ? pos : this.start, "Unexpected token") -} - -pp.checkPatternErrors = function(refDestructuringErrors, andThrow) { - let pos = refDestructuringErrors && refDestructuringErrors.trailingComma - if (!andThrow) return !!pos - if (pos) this.raise(pos, "Trailing comma is not permitted in destructuring patterns") -} - -pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) { - let pos = refDestructuringErrors && refDestructuringErrors.shorthandAssign - if (!andThrow) return !!pos - if (pos) this.raise(pos, "Shorthand property assignments are valid only in destructuring patterns") -} diff --git a/node_modules/acorn/src/state.js b/node_modules/acorn/src/state.js deleted file mode 100644 index 3a0d5ff..0000000 --- a/node_modules/acorn/src/state.js +++ /dev/null @@ -1,104 +0,0 @@ -import {reservedWords, keywords} from "./identifier" -import {types as tt} from "./tokentype" -import {lineBreak} from "./whitespace" -import {getOptions} from "./options" - -// Registered plugins -export const plugins = {} - -function keywordRegexp(words) { - return new RegExp("^(" + words.replace(/ /g, "|") + ")$") -} - -export class Parser { - constructor(options, input, startPos) { - this.options = options = getOptions(options) - this.sourceFile = options.sourceFile - this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5]) - let reserved = options.allowReserved ? "" : - reservedWords[options.ecmaVersion] + (options.sourceType == "module" ? " await" : "") - this.reservedWords = keywordRegexp(reserved) - let reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict - this.reservedWordsStrict = keywordRegexp(reservedStrict) - this.reservedWordsStrictBind = keywordRegexp(reservedStrict + " " + reservedWords.strictBind) - this.input = String(input) - - // Used to signal to callers of `readWord1` whether the word - // contained any escape sequences. This is needed because words with - // escape sequences must not be interpreted as keywords. - this.containsEsc = false; - - // Load plugins - this.loadPlugins(options.plugins) - - // Set up token state - - // The current position of the tokenizer in the input. - if (startPos) { - this.pos = startPos - this.lineStart = Math.max(0, this.input.lastIndexOf("\n", startPos)) - this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length - } else { - this.pos = this.lineStart = 0 - this.curLine = 1 - } - - // Properties of the current token: - // Its type - this.type = tt.eof - // For tokens that include more information than their type, the value - this.value = null - // Its start and end offset - this.start = this.end = this.pos - // And, if locations are used, the {line, column} object - // corresponding to those offsets - this.startLoc = this.endLoc = this.curPosition() - - // Position information for the previous token - this.lastTokEndLoc = this.lastTokStartLoc = null - this.lastTokStart = this.lastTokEnd = this.pos - - // The context stack is used to superficially track syntactic - // context to predict whether a regular expression is allowed in a - // given position. - this.context = this.initialContext() - this.exprAllowed = true - - // Figure out if it's a module code. - this.strict = this.inModule = options.sourceType === "module" - - // Used to signify the start of a potential arrow function - this.potentialArrowAt = -1 - - // Flags to track whether we are in a function, a generator. - this.inFunction = this.inGenerator = false - // Labels in scope. - this.labels = [] - - // If enabled, skip leading hashbang line. - if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === '#!') - this.skipLineComment(2) - } - - // DEPRECATED Kept for backwards compatibility until 3.0 in case a plugin uses them - isKeyword(word) { return this.keywords.test(word) } - isReservedWord(word) { return this.reservedWords.test(word) } - - extend(name, f) { - this[name] = f(this[name]) - } - - loadPlugins(pluginConfigs) { - for (let name in pluginConfigs) { - let plugin = plugins[name] - if (!plugin) throw new Error("Plugin '" + name + "' not found") - plugin(this, pluginConfigs[name]) - } - } - - parse() { - let node = this.options.program || this.startNode() - this.nextToken() - return this.parseTopLevel(node) - } -} diff --git a/node_modules/acorn/src/statement.js b/node_modules/acorn/src/statement.js deleted file mode 100644 index 7ade79f..0000000 --- a/node_modules/acorn/src/statement.js +++ /dev/null @@ -1,626 +0,0 @@ -import {types as tt} from "./tokentype" -import {Parser} from "./state" -import {lineBreak} from "./whitespace" - -const pp = Parser.prototype - -// ### Statement parsing - -// Parse a program. Initializes the parser, reads any number of -// statements, and wraps them in a Program node. Optionally takes a -// `program` argument. If present, the statements will be appended -// to its body instead of creating a new node. - -pp.parseTopLevel = function(node) { - let first = true - if (!node.body) node.body = [] - while (this.type !== tt.eof) { - let stmt = this.parseStatement(true, true) - node.body.push(stmt) - if (first) { - if (this.isUseStrict(stmt)) this.setStrict(true) - first = false - } - } - this.next() - if (this.options.ecmaVersion >= 6) { - node.sourceType = this.options.sourceType - } - return this.finishNode(node, "Program") -} - -const loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"} - -// Parse a single statement. -// -// If expecting a statement and finding a slash operator, parse a -// regular expression literal. This is to handle cases like -// `if (foo) /blah/.exec(foo)`, where looking at the previous token -// does not help. - -pp.parseStatement = function(declaration, topLevel) { - let starttype = this.type, node = this.startNode() - - // Most types of statements are recognized by the keyword they - // start with. Many are trivial to parse, some require a bit of - // complexity. - - switch (starttype) { - case tt._break: case tt._continue: return this.parseBreakContinueStatement(node, starttype.keyword) - case tt._debugger: return this.parseDebuggerStatement(node) - case tt._do: return this.parseDoStatement(node) - case tt._for: return this.parseForStatement(node) - case tt._function: - if (!declaration && this.options.ecmaVersion >= 6) this.unexpected() - return this.parseFunctionStatement(node) - case tt._class: - if (!declaration) this.unexpected() - return this.parseClass(node, true) - case tt._if: return this.parseIfStatement(node) - case tt._return: return this.parseReturnStatement(node) - case tt._switch: return this.parseSwitchStatement(node) - case tt._throw: return this.parseThrowStatement(node) - case tt._try: return this.parseTryStatement(node) - case tt._let: case tt._const: if (!declaration) this.unexpected() // NOTE: falls through to _var - case tt._var: return this.parseVarStatement(node, starttype) - case tt._while: return this.parseWhileStatement(node) - case tt._with: return this.parseWithStatement(node) - case tt.braceL: return this.parseBlock() - case tt.semi: return this.parseEmptyStatement(node) - case tt._export: - case tt._import: - if (!this.options.allowImportExportEverywhere) { - if (!topLevel) - this.raise(this.start, "'import' and 'export' may only appear at the top level") - if (!this.inModule) - this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'") - } - return starttype === tt._import ? this.parseImport(node) : this.parseExport(node) - - // If the statement does not start with a statement keyword or a - // brace, it's an ExpressionStatement or LabeledStatement. We - // simply start parsing an expression, and afterwards, if the - // next token is a colon and the expression was a simple - // Identifier node, we switch to interpreting it as a label. - default: - let maybeName = this.value, expr = this.parseExpression() - if (starttype === tt.name && expr.type === "Identifier" && this.eat(tt.colon)) - return this.parseLabeledStatement(node, maybeName, expr) - else return this.parseExpressionStatement(node, expr) - } -} - -pp.parseBreakContinueStatement = function(node, keyword) { - let isBreak = keyword == "break" - this.next() - if (this.eat(tt.semi) || this.insertSemicolon()) node.label = null - else if (this.type !== tt.name) this.unexpected() - else { - node.label = this.parseIdent() - this.semicolon() - } - - // Verify that there is an actual destination to break or - // continue to. - for (var i = 0; i < this.labels.length; ++i) { - let lab = this.labels[i] - if (node.label == null || lab.name === node.label.name) { - if (lab.kind != null && (isBreak || lab.kind === "loop")) break - if (node.label && isBreak) break - } - } - if (i === this.labels.length) this.raise(node.start, "Unsyntactic " + keyword) - return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") -} - -pp.parseDebuggerStatement = function(node) { - this.next() - this.semicolon() - return this.finishNode(node, "DebuggerStatement") -} - -pp.parseDoStatement = function(node) { - this.next() - this.labels.push(loopLabel) - node.body = this.parseStatement(false) - this.labels.pop() - this.expect(tt._while) - node.test = this.parseParenExpression() - if (this.options.ecmaVersion >= 6) - this.eat(tt.semi) - else - this.semicolon() - return this.finishNode(node, "DoWhileStatement") -} - -// Disambiguating between a `for` and a `for`/`in` or `for`/`of` -// loop is non-trivial. Basically, we have to parse the init `var` -// statement or expression, disallowing the `in` operator (see -// the second parameter to `parseExpression`), and then check -// whether the next token is `in` or `of`. When there is no init -// part (semicolon immediately after the opening parenthesis), it -// is a regular `for` loop. - -pp.parseForStatement = function(node) { - this.next() - this.labels.push(loopLabel) - this.expect(tt.parenL) - if (this.type === tt.semi) return this.parseFor(node, null) - if (this.type === tt._var || this.type === tt._let || this.type === tt._const) { - let init = this.startNode(), varKind = this.type - this.next() - this.parseVar(init, true, varKind) - this.finishNode(init, "VariableDeclaration") - if ((this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init.declarations.length === 1 && - !(varKind !== tt._var && init.declarations[0].init)) - return this.parseForIn(node, init) - return this.parseFor(node, init) - } - let refDestructuringErrors = {shorthandAssign: 0, trailingComma: 0} - let init = this.parseExpression(true, refDestructuringErrors) - if (this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) { - this.checkPatternErrors(refDestructuringErrors, true) - this.toAssignable(init) - this.checkLVal(init) - return this.parseForIn(node, init) - } else { - this.checkExpressionErrors(refDestructuringErrors, true) - } - return this.parseFor(node, init) -} - -pp.parseFunctionStatement = function(node) { - this.next() - return this.parseFunction(node, true) -} - -pp.parseIfStatement = function(node) { - this.next() - node.test = this.parseParenExpression() - node.consequent = this.parseStatement(false) - node.alternate = this.eat(tt._else) ? this.parseStatement(false) : null - return this.finishNode(node, "IfStatement") -} - -pp.parseReturnStatement = function(node) { - if (!this.inFunction && !this.options.allowReturnOutsideFunction) - this.raise(this.start, "'return' outside of function") - this.next() - - // In `return` (and `break`/`continue`), the keywords with - // optional arguments, we eagerly look for a semicolon or the - // possibility to insert one. - - if (this.eat(tt.semi) || this.insertSemicolon()) node.argument = null - else { node.argument = this.parseExpression(); this.semicolon() } - return this.finishNode(node, "ReturnStatement") -} - -pp.parseSwitchStatement = function(node) { - this.next() - node.discriminant = this.parseParenExpression() - node.cases = [] - this.expect(tt.braceL) - this.labels.push(switchLabel) - - // Statements under must be grouped (by label) in SwitchCase - // nodes. `cur` is used to keep the node that we are currently - // adding statements to. - - for (var cur, sawDefault = false; this.type != tt.braceR;) { - if (this.type === tt._case || this.type === tt._default) { - let isCase = this.type === tt._case - if (cur) this.finishNode(cur, "SwitchCase") - node.cases.push(cur = this.startNode()) - cur.consequent = [] - this.next() - if (isCase) { - cur.test = this.parseExpression() - } else { - if (sawDefault) this.raise(this.lastTokStart, "Multiple default clauses") - sawDefault = true - cur.test = null - } - this.expect(tt.colon) - } else { - if (!cur) this.unexpected() - cur.consequent.push(this.parseStatement(true)) - } - } - if (cur) this.finishNode(cur, "SwitchCase") - this.next() // Closing brace - this.labels.pop() - return this.finishNode(node, "SwitchStatement") -} - -pp.parseThrowStatement = function(node) { - this.next() - if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) - this.raise(this.lastTokEnd, "Illegal newline after throw") - node.argument = this.parseExpression() - this.semicolon() - return this.finishNode(node, "ThrowStatement") -} - -// Reused empty array added for node fields that are always empty. - -const empty = [] - -pp.parseTryStatement = function(node) { - this.next() - node.block = this.parseBlock() - node.handler = null - if (this.type === tt._catch) { - let clause = this.startNode() - this.next() - this.expect(tt.parenL) - clause.param = this.parseBindingAtom() - this.checkLVal(clause.param, true) - this.expect(tt.parenR) - clause.body = this.parseBlock() - node.handler = this.finishNode(clause, "CatchClause") - } - node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null - if (!node.handler && !node.finalizer) - this.raise(node.start, "Missing catch or finally clause") - return this.finishNode(node, "TryStatement") -} - -pp.parseVarStatement = function(node, kind) { - this.next() - this.parseVar(node, false, kind) - this.semicolon() - return this.finishNode(node, "VariableDeclaration") -} - -pp.parseWhileStatement = function(node) { - this.next() - node.test = this.parseParenExpression() - this.labels.push(loopLabel) - node.body = this.parseStatement(false) - this.labels.pop() - return this.finishNode(node, "WhileStatement") -} - -pp.parseWithStatement = function(node) { - if (this.strict) this.raise(this.start, "'with' in strict mode") - this.next() - node.object = this.parseParenExpression() - node.body = this.parseStatement(false) - return this.finishNode(node, "WithStatement") -} - -pp.parseEmptyStatement = function(node) { - this.next() - return this.finishNode(node, "EmptyStatement") -} - -pp.parseLabeledStatement = function(node, maybeName, expr) { - for (let i = 0; i < this.labels.length; ++i) - if (this.labels[i].name === maybeName) this.raise(expr.start, "Label '" + maybeName + "' is already declared") - let kind = this.type.isLoop ? "loop" : this.type === tt._switch ? "switch" : null - for (let i = this.labels.length - 1; i >= 0; i--) { - let label = this.labels[i] - if (label.statementStart == node.start) { - label.statementStart = this.start; - label.kind = kind; - } else break; - } - this.labels.push({name: maybeName, kind: kind, statementStart: this.start}) - node.body = this.parseStatement(true) - this.labels.pop() - node.label = expr - return this.finishNode(node, "LabeledStatement") -} - -pp.parseExpressionStatement = function(node, expr) { - node.expression = expr - this.semicolon() - return this.finishNode(node, "ExpressionStatement") -} - -// Parse a semicolon-enclosed block of statements, handling `"use -// strict"` declarations when `allowStrict` is true (used for -// function bodies). - -pp.parseBlock = function(allowStrict) { - let node = this.startNode(), first = true, oldStrict - node.body = [] - this.expect(tt.braceL) - while (!this.eat(tt.braceR)) { - let stmt = this.parseStatement(true) - node.body.push(stmt) - if (first && allowStrict && this.isUseStrict(stmt)) { - oldStrict = this.strict - this.setStrict(this.strict = true) - } - first = false - } - if (oldStrict === false) this.setStrict(false) - return this.finishNode(node, "BlockStatement") -} - -// Parse a regular `for` loop. The disambiguation code in -// `parseStatement` will already have parsed the init statement or -// expression. - -pp.parseFor = function(node, init) { - node.init = init - this.expect(tt.semi) - node.test = this.type === tt.semi ? null : this.parseExpression() - this.expect(tt.semi) - node.update = this.type === tt.parenR ? null : this.parseExpression() - this.expect(tt.parenR) - node.body = this.parseStatement(false) - this.labels.pop() - return this.finishNode(node, "ForStatement") -} - -// Parse a `for`/`in` and `for`/`of` loop, which are almost -// same from parser's perspective. - -pp.parseForIn = function(node, init) { - let type = this.type === tt._in ? "ForInStatement" : "ForOfStatement" - this.next() - node.left = init - node.right = this.parseExpression() - this.expect(tt.parenR) - node.body = this.parseStatement(false) - this.labels.pop() - return this.finishNode(node, type) -} - -// Parse a list of variable declarations. - -pp.parseVar = function(node, isFor, kind) { - node.declarations = [] - node.kind = kind.keyword - for (;;) { - let decl = this.startNode() - this.parseVarId(decl) - if (this.eat(tt.eq)) { - decl.init = this.parseMaybeAssign(isFor) - } else if (kind === tt._const && !(this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { - this.unexpected() - } else if (decl.id.type != "Identifier" && !(isFor && (this.type === tt._in || this.isContextual("of")))) { - this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value") - } else { - decl.init = null - } - node.declarations.push(this.finishNode(decl, "VariableDeclarator")) - if (!this.eat(tt.comma)) break - } - return node -} - -pp.parseVarId = function(decl) { - decl.id = this.parseBindingAtom() - this.checkLVal(decl.id, true) -} - -// Parse a function declaration or literal (depending on the -// `isStatement` parameter). - -pp.parseFunction = function(node, isStatement, allowExpressionBody) { - this.initFunction(node) - if (this.options.ecmaVersion >= 6) - node.generator = this.eat(tt.star) - if (isStatement || this.type === tt.name) - node.id = this.parseIdent() - this.parseFunctionParams(node) - this.parseFunctionBody(node, allowExpressionBody) - return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression") -} - -pp.parseFunctionParams = function(node) { - this.expect(tt.parenL) - node.params = this.parseBindingList(tt.parenR, false, false, true) -} - -// Parse a class declaration or literal (depending on the -// `isStatement` parameter). - -pp.parseClass = function(node, isStatement) { - this.next() - this.parseClassId(node, isStatement) - this.parseClassSuper(node) - let classBody = this.startNode() - let hadConstructor = false - classBody.body = [] - this.expect(tt.braceL) - while (!this.eat(tt.braceR)) { - if (this.eat(tt.semi)) continue - let method = this.startNode() - let isGenerator = this.eat(tt.star) - let isMaybeStatic = this.type === tt.name && this.value === "static" - this.parsePropertyName(method) - method.static = isMaybeStatic && this.type !== tt.parenL - if (method.static) { - if (isGenerator) this.unexpected() - isGenerator = this.eat(tt.star) - this.parsePropertyName(method) - } - method.kind = "method" - let isGetSet = false - if (!method.computed) { - let {key} = method - if (!isGenerator && key.type === "Identifier" && this.type !== tt.parenL && (key.name === "get" || key.name === "set")) { - isGetSet = true - method.kind = key.name - key = this.parsePropertyName(method) - } - if (!method.static && (key.type === "Identifier" && key.name === "constructor" || - key.type === "Literal" && key.value === "constructor")) { - if (hadConstructor) this.raise(key.start, "Duplicate constructor in the same class") - if (isGetSet) this.raise(key.start, "Constructor can't have get/set modifier") - if (isGenerator) this.raise(key.start, "Constructor can't be a generator") - method.kind = "constructor" - hadConstructor = true - } - } - this.parseClassMethod(classBody, method, isGenerator) - if (isGetSet) { - let paramCount = method.kind === "get" ? 0 : 1 - if (method.value.params.length !== paramCount) { - let start = method.value.start - if (method.kind === "get") - this.raise(start, "getter should have no params"); - else - this.raise(start, "setter should have exactly one param") - } - if (method.kind === "set" && method.value.params[0].type === "RestElement") - this.raise(method.value.params[0].start, "Setter cannot use rest params") - } - } - node.body = this.finishNode(classBody, "ClassBody") - return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") -} - -pp.parseClassMethod = function(classBody, method, isGenerator) { - method.value = this.parseMethod(isGenerator) - classBody.body.push(this.finishNode(method, "MethodDefinition")) -} - -pp.parseClassId = function(node, isStatement) { - node.id = this.type === tt.name ? this.parseIdent() : isStatement ? this.unexpected() : null -} - -pp.parseClassSuper = function(node) { - node.superClass = this.eat(tt._extends) ? this.parseExprSubscripts() : null -} - -// Parses module export declaration. - -pp.parseExport = function(node) { - this.next() - // export * from '...' - if (this.eat(tt.star)) { - this.expectContextual("from") - node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected() - this.semicolon() - return this.finishNode(node, "ExportAllDeclaration") - } - if (this.eat(tt._default)) { // export default ... - let expr = this.parseMaybeAssign() - let needsSemi = true - if (expr.type == "FunctionExpression" || - expr.type == "ClassExpression") { - needsSemi = false - if (expr.id) { - expr.type = expr.type == "FunctionExpression" - ? "FunctionDeclaration" - : "ClassDeclaration" - } - } - node.declaration = expr - if (needsSemi) this.semicolon() - return this.finishNode(node, "ExportDefaultDeclaration") - } - // export var|const|let|function|class ... - if (this.shouldParseExportStatement()) { - node.declaration = this.parseStatement(true) - node.specifiers = [] - node.source = null - } else { // export { x, y as z } [from '...'] - node.declaration = null - node.specifiers = this.parseExportSpecifiers() - if (this.eatContextual("from")) { - node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected() - } else { - // check for keywords used as local names - for (let i = 0; i < node.specifiers.length; i++) { - if (this.keywords.test(node.specifiers[i].local.name) || this.reservedWords.test(node.specifiers[i].local.name)) { - this.unexpected(node.specifiers[i].local.start) - } - } - - node.source = null - } - this.semicolon() - } - return this.finishNode(node, "ExportNamedDeclaration") -} - -pp.shouldParseExportStatement = function() { - return this.type.keyword -} - -// Parses a comma-separated list of module exports. - -pp.parseExportSpecifiers = function() { - let nodes = [], first = true - // export { x, y as z } [from '...'] - this.expect(tt.braceL) - while (!this.eat(tt.braceR)) { - if (!first) { - this.expect(tt.comma) - if (this.afterTrailingComma(tt.braceR)) break - } else first = false - - let node = this.startNode() - node.local = this.parseIdent(this.type === tt._default) - node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local - nodes.push(this.finishNode(node, "ExportSpecifier")) - } - return nodes -} - -// Parses import declaration. - -pp.parseImport = function(node) { - this.next() - // import '...' - if (this.type === tt.string) { - node.specifiers = empty - node.source = this.parseExprAtom() - } else { - node.specifiers = this.parseImportSpecifiers() - this.expectContextual("from") - node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected() - } - this.semicolon() - return this.finishNode(node, "ImportDeclaration") -} - -// Parses a comma-separated list of module imports. - -pp.parseImportSpecifiers = function() { - let nodes = [], first = true - if (this.type === tt.name) { - // import defaultObj, { x, y as z } from '...' - let node = this.startNode() - node.local = this.parseIdent() - this.checkLVal(node.local, true) - nodes.push(this.finishNode(node, "ImportDefaultSpecifier")) - if (!this.eat(tt.comma)) return nodes - } - if (this.type === tt.star) { - let node = this.startNode() - this.next() - this.expectContextual("as") - node.local = this.parseIdent() - this.checkLVal(node.local, true) - nodes.push(this.finishNode(node, "ImportNamespaceSpecifier")) - return nodes - } - this.expect(tt.braceL) - while (!this.eat(tt.braceR)) { - if (!first) { - this.expect(tt.comma) - if (this.afterTrailingComma(tt.braceR)) break - } else first = false - - let node = this.startNode() - node.imported = this.parseIdent(true) - if (this.eatContextual("as")) { - node.local = this.parseIdent() - } else { - node.local = node.imported - if (this.isKeyword(node.local.name)) this.unexpected(node.local.start) - if (this.reservedWordsStrict.test(node.local.name)) this.raise(node.local.start, "The keyword '" + node.local.name + "' is reserved") - } - this.checkLVal(node.local, true) - nodes.push(this.finishNode(node, "ImportSpecifier")) - } - return nodes -} diff --git a/node_modules/acorn/src/tokencontext.js b/node_modules/acorn/src/tokencontext.js deleted file mode 100644 index c76fc9d..0000000 --- a/node_modules/acorn/src/tokencontext.js +++ /dev/null @@ -1,109 +0,0 @@ -// The algorithm used to determine whether a regexp can appear at a -// given point in the program is loosely based on sweet.js' approach. -// See https://github.com/mozilla/sweet.js/wiki/design - -import {Parser} from "./state" -import {types as tt} from "./tokentype" -import {lineBreak} from "./whitespace" - -export class TokContext { - constructor(token, isExpr, preserveSpace, override) { - this.token = token - this.isExpr = !!isExpr - this.preserveSpace = !!preserveSpace - this.override = override - } -} - -export const types = { - b_stat: new TokContext("{", false), - b_expr: new TokContext("{", true), - b_tmpl: new TokContext("${", true), - p_stat: new TokContext("(", false), - p_expr: new TokContext("(", true), - q_tmpl: new TokContext("`", true, true, p => p.readTmplToken()), - f_expr: new TokContext("function", true) -} - -const pp = Parser.prototype - -pp.initialContext = function() { - return [types.b_stat] -} - -pp.braceIsBlock = function(prevType) { - if (prevType === tt.colon) { - let parent = this.curContext() - if (parent === types.b_stat || parent === types.b_expr) - return !parent.isExpr - } - if (prevType === tt._return) - return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) - if (prevType === tt._else || prevType === tt.semi || prevType === tt.eof || prevType === tt.parenR) - return true - if (prevType == tt.braceL) - return this.curContext() === types.b_stat - return !this.exprAllowed -} - -pp.updateContext = function(prevType) { - let update, type = this.type - if (type.keyword && prevType == tt.dot) - this.exprAllowed = false - else if (update = type.updateContext) - update.call(this, prevType) - else - this.exprAllowed = type.beforeExpr -} - -// Token-specific context update code - -tt.parenR.updateContext = tt.braceR.updateContext = function() { - if (this.context.length == 1) { - this.exprAllowed = true - return - } - let out = this.context.pop() - if (out === types.b_stat && this.curContext() === types.f_expr) { - this.context.pop() - this.exprAllowed = false - } else if (out === types.b_tmpl) { - this.exprAllowed = true - } else { - this.exprAllowed = !out.isExpr - } -} - -tt.braceL.updateContext = function(prevType) { - this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr) - this.exprAllowed = true -} - -tt.dollarBraceL.updateContext = function() { - this.context.push(types.b_tmpl) - this.exprAllowed = true -} - -tt.parenL.updateContext = function(prevType) { - let statementParens = prevType === tt._if || prevType === tt._for || prevType === tt._with || prevType === tt._while - this.context.push(statementParens ? types.p_stat : types.p_expr) - this.exprAllowed = true -} - -tt.incDec.updateContext = function() { - // tokExprAllowed stays unchanged -} - -tt._function.updateContext = function() { - if (this.curContext() !== types.b_stat) - this.context.push(types.f_expr) - this.exprAllowed = false -} - -tt.backQuote.updateContext = function() { - if (this.curContext() === types.q_tmpl) - this.context.pop() - else - this.context.push(types.q_tmpl) - this.exprAllowed = false -} diff --git a/node_modules/acorn/src/tokenize.js b/node_modules/acorn/src/tokenize.js deleted file mode 100644 index 1b2bd95..0000000 --- a/node_modules/acorn/src/tokenize.js +++ /dev/null @@ -1,682 +0,0 @@ -import {isIdentifierStart, isIdentifierChar} from "./identifier" -import {types as tt, keywords as keywordTypes} from "./tokentype" -import {Parser} from "./state" -import {SourceLocation} from "./locutil" -import {lineBreak, lineBreakG, isNewLine, nonASCIIwhitespace} from "./whitespace" - -// Object type used to represent tokens. Note that normally, tokens -// simply exist as properties on the parser object. This is only -// used for the onToken callback and the external tokenizer. - -export class Token { - constructor(p) { - this.type = p.type - this.value = p.value - this.start = p.start - this.end = p.end - if (p.options.locations) - this.loc = new SourceLocation(p, p.startLoc, p.endLoc) - if (p.options.ranges) - this.range = [p.start, p.end] - } -} - -// ## Tokenizer - -const pp = Parser.prototype - -// Are we running under Rhino? -const isRhino = typeof Packages == "object" && Object.prototype.toString.call(Packages) == "[object JavaPackage]" - -// Move to the next token - -pp.next = function() { - if (this.options.onToken) - this.options.onToken(new Token(this)) - - this.lastTokEnd = this.end - this.lastTokStart = this.start - this.lastTokEndLoc = this.endLoc - this.lastTokStartLoc = this.startLoc - this.nextToken() -} - -pp.getToken = function() { - this.next() - return new Token(this) -} - -// If we're in an ES6 environment, make parsers iterable -if (typeof Symbol !== "undefined") - pp[Symbol.iterator] = function () { - let self = this - return {next: function () { - let token = self.getToken() - return { - done: token.type === tt.eof, - value: token - } - }} - } - -// Toggle strict mode. Re-reads the next number or string to please -// pedantic tests (`"use strict"; 010;` should fail). - -pp.setStrict = function(strict) { - this.strict = strict - if (this.type !== tt.num && this.type !== tt.string) return - this.pos = this.start - if (this.options.locations) { - while (this.pos < this.lineStart) { - this.lineStart = this.input.lastIndexOf("\n", this.lineStart - 2) + 1 - --this.curLine - } - } - this.nextToken() -} - -pp.curContext = function() { - return this.context[this.context.length - 1] -} - -// Read a single token, updating the parser object's token-related -// properties. - -pp.nextToken = function() { - let curContext = this.curContext() - if (!curContext || !curContext.preserveSpace) this.skipSpace() - - this.start = this.pos - if (this.options.locations) this.startLoc = this.curPosition() - if (this.pos >= this.input.length) return this.finishToken(tt.eof) - - if (curContext.override) return curContext.override(this) - else this.readToken(this.fullCharCodeAtPos()) -} - -pp.readToken = function(code) { - // Identifier or keyword. '\uXXXX' sequences are allowed in - // identifiers, so '\' also dispatches to that. - if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */) - return this.readWord() - - return this.getTokenFromCode(code) -} - -pp.fullCharCodeAtPos = function() { - let code = this.input.charCodeAt(this.pos) - if (code <= 0xd7ff || code >= 0xe000) return code - let next = this.input.charCodeAt(this.pos + 1) - return (code << 10) + next - 0x35fdc00 -} - -pp.skipBlockComment = function() { - let startLoc = this.options.onComment && this.curPosition() - let start = this.pos, end = this.input.indexOf("*/", this.pos += 2) - if (end === -1) this.raise(this.pos - 2, "Unterminated comment") - this.pos = end + 2 - if (this.options.locations) { - lineBreakG.lastIndex = start - let match - while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) { - ++this.curLine - this.lineStart = match.index + match[0].length - } - } - if (this.options.onComment) - this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, - startLoc, this.curPosition()) -} - -pp.skipLineComment = function(startSkip) { - let start = this.pos - let startLoc = this.options.onComment && this.curPosition() - let ch = this.input.charCodeAt(this.pos+=startSkip) - while (this.pos < this.input.length && ch !== 10 && ch !== 13 && ch !== 8232 && ch !== 8233) { - ++this.pos - ch = this.input.charCodeAt(this.pos) - } - if (this.options.onComment) - this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, - startLoc, this.curPosition()) -} - -// Called at the start of the parse and after every token. Skips -// whitespace and comments, and. - -pp.skipSpace = function() { - loop: while (this.pos < this.input.length) { - let ch = this.input.charCodeAt(this.pos) - switch (ch) { - case 32: case 160: // ' ' - ++this.pos - break - case 13: - if (this.input.charCodeAt(this.pos + 1) === 10) { - ++this.pos - } - case 10: case 8232: case 8233: - ++this.pos - if (this.options.locations) { - ++this.curLine - this.lineStart = this.pos - } - break - case 47: // '/' - switch (this.input.charCodeAt(this.pos + 1)) { - case 42: // '*' - this.skipBlockComment() - break - case 47: - this.skipLineComment(2) - break - default: - break loop - } - break - default: - if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) { - ++this.pos - } else { - break loop - } - } - } -} - -// Called at the end of every token. Sets `end`, `val`, and -// maintains `context` and `exprAllowed`, and skips the space after -// the token, so that the next one's `start` will point at the -// right position. - -pp.finishToken = function(type, val) { - this.end = this.pos - if (this.options.locations) this.endLoc = this.curPosition() - let prevType = this.type - this.type = type - this.value = val - - this.updateContext(prevType) -} - -// ### Token reading - -// This is the function that is called to fetch the next token. It -// is somewhat obscure, because it works in character codes rather -// than characters, and because operator parsing has been inlined -// into it. -// -// All in the name of speed. -// -pp.readToken_dot = function() { - let next = this.input.charCodeAt(this.pos + 1) - if (next >= 48 && next <= 57) return this.readNumber(true) - let next2 = this.input.charCodeAt(this.pos + 2) - if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.' - this.pos += 3 - return this.finishToken(tt.ellipsis) - } else { - ++this.pos - return this.finishToken(tt.dot) - } -} - -pp.readToken_slash = function() { // '/' - let next = this.input.charCodeAt(this.pos + 1) - if (this.exprAllowed) {++this.pos; return this.readRegexp();} - if (next === 61) return this.finishOp(tt.assign, 2) - return this.finishOp(tt.slash, 1) -} - -pp.readToken_mult_modulo = function(code) { // '%*' - let next = this.input.charCodeAt(this.pos + 1) - if (next === 61) return this.finishOp(tt.assign, 2) - return this.finishOp(code === 42 ? tt.star : tt.modulo, 1) -} - -pp.readToken_pipe_amp = function(code) { // '|&' - let next = this.input.charCodeAt(this.pos + 1) - if (next === code) return this.finishOp(code === 124 ? tt.logicalOR : tt.logicalAND, 2) - if (next === 61) return this.finishOp(tt.assign, 2) - return this.finishOp(code === 124 ? tt.bitwiseOR : tt.bitwiseAND, 1) -} - -pp.readToken_caret = function() { // '^' - let next = this.input.charCodeAt(this.pos + 1) - if (next === 61) return this.finishOp(tt.assign, 2) - return this.finishOp(tt.bitwiseXOR, 1) -} - -pp.readToken_plus_min = function(code) { // '+-' - let next = this.input.charCodeAt(this.pos + 1) - if (next === code) { - if (next == 45 && this.input.charCodeAt(this.pos + 2) == 62 && - lineBreak.test(this.input.slice(this.lastTokEnd, this.pos))) { - // A `-->` line comment - this.skipLineComment(3) - this.skipSpace() - return this.nextToken() - } - return this.finishOp(tt.incDec, 2) - } - if (next === 61) return this.finishOp(tt.assign, 2) - return this.finishOp(tt.plusMin, 1) -} - -pp.readToken_lt_gt = function(code) { // '<>' - let next = this.input.charCodeAt(this.pos + 1) - let size = 1 - if (next === code) { - size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2 - if (this.input.charCodeAt(this.pos + size) === 61) return this.finishOp(tt.assign, size + 1) - return this.finishOp(tt.bitShift, size) - } - if (next == 33 && code == 60 && this.input.charCodeAt(this.pos + 2) == 45 && - this.input.charCodeAt(this.pos + 3) == 45) { - if (this.inModule) this.unexpected() - // ` -

foo

-

bar

-``` - -Jade 同样支持不输出的注释，加一个短横线就行了： - -```jade -//- will not output within markup -p foo -p bar -``` - -渲染为： - -```html -

foo

-

bar

-``` - - -### 块注释 - -块注释也是支持的： - -```jade -body - // - #content - h1 Example -``` - -渲染为： - -```html - - - -``` - -Jade 同样很好的支持了条件注释： - -```jade -body - //if IE - a(href='http://www.mozilla.com/en-US/firefox/') Get Firefox -``` - -渲染为： - -```html - - - -``` - - -### 内联 - -Jade 支持以自然的方式定义标签嵌套: - -```jade -ul - li.first - a(href='#') foo - li - a(href='#') bar - li.last - a(href='#') baz -``` - - -### 块展开 - -块展开可以帮助你在一行内创建嵌套的标签，下面的例子和上面的是一样的： - -```jade -ul - li.first: a(href='#') foo - li: a(href='#') bar - li.last: a(href='#') baz -``` - - -### Case - -`case` 表达式按下面这样的形式写: - -```jade -html - body - friends = 10 - case friends - when 0 - p you have no friends - when 1 - p you have a friend - default - p you have #{friends} friends -``` - -块展开在这里也可以使用: - -```jade -friends = 5 - -html - body - case friends - when 0: p you have no friends - when 1: p you have a friend - default: p you have #{friends} friends -``` - - -### 属性 - -Jade 现在支持使用 `(` 和 `)` 作为属性分隔符 - -```jade -a(href='/login', title='View login page') Login -``` - -当一个值是 `undefined` 或者 `null` 属性 _不_ 会被加上, -所以呢，它不会编译出 'something="null"'. - -```jade -div(something=null) -``` - -Boolean 属性也是支持的: - -```jade -input(type="checkbox", checked) -``` - -使用代码的 Boolean 属性只有当属性为 `true` 时才会输出： - -```jade -input(type="checkbox", checked=someValue) -``` - -多行同样也是可用的： - -```jade -input(type='checkbox', - name='agreement', - checked) -``` - -多行的时候可以不加逗号： - -```jade -input(type='checkbox' - name='agreement' - checked) -``` - -加点空格，格式好看一点？同样支持 - -```jade -input( - type='checkbox' - name='agreement' - checked) -``` - -冒号也是支持的: - -```jade -rss(xmlns:atom="atom") -``` - -假如我有一个 `user` 对象 `{ id: 12, name: 'tobi' }` -我们希望创建一个指向 `/user/12` 的链接 `href`, 我们可以使用普通的 JavaScript 字符串连接，如下: - -```jade -a(href='/user/' + user.id)= user.name -``` - -或者我们使用 Jade 的修改方式, 这个我想很多使用 Ruby 或者 CoffeeScript 的人会看起来像普通的 JS..: - -```jade -a(href='/user/#{user.id}')= user.name -``` - -`class` 属性是一个特殊的属性，你可以直接传递一个数组，比如 `bodyClasses = ['user', 'authenticated']` : - -```jade -body(class=bodyClasses) -``` - - -### HTML - -内联的 HTML 是可以的，我们可以使用管道定义一段文本 : - -```jade -html - body - |

Title

- |

foo bar baz

-``` - -或者我们可以使用 `.` 来告诉 Jade 我们需要一段文本： - -```jade -html - body. -

Title

-

foo bar baz

-``` - -上面的两个例子都会渲染成相同的结果： - -```jade -

Title

-

foo bar baz

- -``` - - 这条规则适应于在 Jade 里的任何文本： - -``` -html - body - h1 User #{name} -``` - - -### Doctypes - -添加文档类型只需要简单的使用 `!!!`, 或者 `doctype` 跟上下面的可选项: - -```jade -!!! -``` - -会渲染出 _transitional_ 文档类型, 或者: - -```jade -!!! 5 -``` - -或 - -```jade -!!! html -``` - -或 - -```jade -doctype html -``` - -Doctype 是大小写不敏感的, 所以下面两个是一样的: - -```jade -doctype Basic -doctype basic -``` - -当然也是可以直接传递一段文档类型的文本： - -```jade -doctype html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" -``` - -渲染后: - -```html - -``` - -会输出 _HTML5_ 文档类型. 下面的默认的文档类型，可以很简单的扩展： - -```javascript -var doctypes = exports.doctypes = { - '5': '', - 'xml': '', - 'default': '', - 'transitional': '', - 'strict': '', - 'frameset': '', - '1.1': '', - 'basic': '', - 'mobile': '' -}; -``` - -通过下面的代码可以很简单的改变默认的文档类型： - -```javascript - jade.doctypes.default = 'whatever you want'; -``` - - -## 过滤器 - -过滤器前缀 `:`, 比如 `:markdown` 会把下面块里的文本交给专门的函数进行处理。查看顶部 _特性_ 里有哪些可用的过滤器。 - -```jade -body - :markdown - Woah! jade _and_ markdown, very **cool** - we can even link to [stuff](http://google.com) -``` - -渲染为: - -```html -

Woah! jade and markdown, very cool we can even link to stuff

-``` - - -## 代码 - -Jade 目前支持三种类型的可执行代码。第一种是前缀 `-`， 这是不会被输出的： - -```jade -- var foo = 'bar'; -``` - -这可以用在条件语句或者循环中： - -```jade -- for (var key in obj) - p= obj[key] -``` - -由于 Jade 的缓存技术，下面的代码也是可以的： - -```jade -- if (foo) - ul - li yay - li foo - li worked -- else - p oh no! didnt work -``` - -哈哈，甚至是很长的循环也是可以的： - - - if (items.length) - ul - - items.forEach(function(item){ - li= item - - }) - -所以你想要的！ - -下一步我们要 _转义_ 输出的代码，比如我们返回一个值，只要前缀一个 `=`： - -```jade -- var foo = 'bar' -= foo -h1= foo -``` - -它会渲染为 `bar

bar

`. 为了安全起见，使用 `=` 输出的代码默认是转义的,如果想直接输出不转义的值可以使用 `!=`： - -```jade -p!= aVarContainingMoreHTML -``` - -Jade 同样是设计师友好的，它可以使 JavaScript 更直接更富表现力。比如下面的赋值语句是相等的，同时表达式还是通常的 JavaScript： - -```jade -- var foo = 'foo ' + 'bar' -foo = 'foo ' + 'bar' -``` - -Jade 会把 `if`, `else if`, `else`, `until`, `while`, `unless` 同别的优先对待, 但是你得记住它们还是普通的 JavaScript： - -```jade -if foo == 'bar' - ul - li yay - li foo - li worked -else - p oh no! didnt work -``` - - -## 循环 - -尽管已经支持 JavaScript 原生代码，Jade 还是支持了一些特殊的标签，它们可以让模板更加易于理解，其中之一就是 `each`, 这种形式： - -```jade -each VAL[, KEY] in OBJ -``` - -一个遍历数组的例子 ： - -```jade -- var items = ["one", "two", "three"] -each item in items - li= item -``` - -渲染为: - -```html -
  • one
    • -
  • two
    • -
  • three
    • -``` - -遍历一个数组同时带上索引： - -```jade -items = ["one", "two", "three"] -each item, i in items - li #{item}: #{i} -``` - -渲染为: - -```html -
  • one: 0
    • -
  • two: 1
    • -
  • three: 2
    • -``` - -遍历一个数组的键值： - -```jade -obj = { foo: 'bar' } -each val, key in obj - li #{key}: #{val} -``` - -将会渲染为：`
  • foo: bar
    • ` - -Jade 在内部会把这些语句转换成原生的 JavaScript 语句，就像使用 `users.forEach(function(user){`, 词法作用域和嵌套会像在普通的 JavaScript 中一样： - -```jade -each user in users - each role in user.roles - li= role -``` - -如果你喜欢，也可以使用 `for` ： - -```jade -for user in users - for role in user.roles - li= role -``` - -     -## 条件语句 - -Jade 条件语句和使用了(`-`) 前缀的 JavaScript 语句是一致的,然后它允许你不使用圆括号，这样会看上去对设计师更友好一点， -同时要在心里记住这个表达式渲染出的是 _常规_ JavaScript： - -```jade -for user in users - if user.role == 'admin' - p #{user.name} is an admin - else - p= user.name -``` - -和下面的使用了常规 JavaScript 的代码是相等的： - -```jade -for user in users - - if (user.role == 'admin') - p #{user.name} is an admin - - else - p= user.name -``` - -Jade 同时支持 `unless`, 这和 `if (!(expr))` 是等价的： - -```jade -for user in users - unless user.isAnonymous - p - | Click to view - a(href='/users/' + user.id)= user.name -``` - - -## 模板继承 - -Jade 支持通过 `block` 和 `extends` 关键字来实现模板继承。 一个块就是一个 Jade 的 block ，它将在子模板中实现，同时是支持递归的。 - -Jade 块如果没有内容，Jade 会添加默认内容，下面的代码默认会输出 `block scripts`, `block content`, 和 `block foot`. - -```jade -html - head - h1 My Site - #{title} - block scripts - script(src='/jquery.js') - body - block content - block foot - #footer - p some footer content -``` - -现在我们来继承这个布局，简单创建一个新文件，像下面那样直接使用 `extends`，给定路径（可以选择带 `.jade` 扩展名或者不带）. 你可以定义一个或者更多的块来覆盖父级块内容, 注意到这里的 `foot` 块 _没有_ 定义，所以它还会输出父级的 "some footer content"。 - -```jade -extends extend-layout - -block scripts - script(src='/jquery.js') - script(src='/pets.js') - -block content - h1= title - each pet in pets - include pet -``` - -同样可以在一个子块里添加块，就像下面实现的块 `content` 里又定义了两个可以被实现的块 `sidebar` 和 `primary`，或者子模板直接实现 `content`。 - -```jade -extends regular-layout - -block content - .sidebar - block sidebar - p nothing - .primary - block primary - p nothing -``` - - - -## 前置、追加代码块 - -Jade允许你 _替换_ （默认）、 _前置_ 和 _追加_ blocks. 比如，假设你希望在 _所有_ 页面的头部都加上默认的脚本，你可以这么做： - - -```jade -html - head - block head - script(src='/vendor/jquery.js') - script(src='/vendor/caustic.js') - body - block content -``` - -现在假设你有一个Javascript游戏的页面，你希望在默认的脚本之外添加一些游戏相关的脚本，你可以直接`append`上代码块： - - -```jade -extends layout - -block append head - script(src='/vendor/three.js') - script(src='/game.js') -``` - -使用 `block append` 或 `block prepend` 时 `block` 是可选的: - -```jade -extends layout - -append head - script(src='/vendor/three.js') - script(src='/game.js') -``` - - -## 包含 - -Includes 允许你静态包含一段 Jade, 或者别的存放在单个文件中的东西比如 CSS, HTML 非常常见的例子是包含头部和页脚。 假设我们有一个下面目录结构的文件夹： - -``` -./layout.jade -./includes/ - ./head.jade - ./tail.jade -``` - -下面是 `layout.jade` 的内容: - -```jade -html - include includes/head - body - h1 My Site - p Welcome to my super amazing site. - include includes/foot -``` - -这两个包含 `includes/head` 和 `includes/foot` 都会读取相对于给 `layout.jade` 参数`filename` 的路径的文件, 这是一个绝对路径，不用担心Express帮你搞定这些了。Include 会解析这些文件，并且插入到已经生成的语法树中，然后渲染为你期待的内容： - -```html - - - My Site - - - -

    My Site

    -

    Welcome to my super lame site.

    - - - -``` - -前面已经提到，`include` 可以包含比如 HTML 或者 CSS 这样的内容。给定一个扩展名后，Jade 不会把这个文件当作一个 Jade 源代码，并且会把它当作一个普通文本包含进来： - -``` -html - head - //- css and js have simple filters that wrap them in -