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author | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/esprima/bin/esparse.js | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip |
build: Add some required modules for node
Diffstat (limited to 'node_modules/esprima/bin/esparse.js')
-rwxr-xr-x | node_modules/esprima/bin/esparse.js | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/node_modules/esprima/bin/esparse.js b/node_modules/esprima/bin/esparse.js new file mode 100755 index 0000000..45d05fb --- /dev/null +++ b/node_modules/esprima/bin/esparse.js @@ -0,0 +1,139 @@ +#!/usr/bin/env node +/* + Copyright JS Foundation and other contributors, https://js.foundation/ + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/*jslint sloppy:true node:true rhino:true */ + +var fs, esprima, fname, forceFile, content, options, syntax; + +if (typeof require === 'function') { + fs = require('fs'); + try { + esprima = require('esprima'); + } catch (e) { + esprima = require('../'); + } +} else if (typeof load === 'function') { + try { + load('esprima.js'); + } catch (e) { + load('../esprima.js'); + } +} + +// Shims to Node.js objects when running under Rhino. +if (typeof console === 'undefined' && typeof process === 'undefined') { + console = { log: print }; + fs = { readFileSync: readFile }; + process = { argv: arguments, exit: quit }; + process.argv.unshift('esparse.js'); + process.argv.unshift('rhino'); +} + +function showUsage() { + console.log('Usage:'); + console.log(' esparse [options] [file.js]'); + console.log(); + console.log('Available options:'); + console.log(); + console.log(' --comment Gather all line and block comments in an array'); + console.log(' --loc Include line-column location info for each syntax node'); + console.log(' --range Include index-based range for each syntax node'); + console.log(' --raw Display the raw value of literals'); + console.log(' --tokens List all tokens in an array'); + console.log(' --tolerant Tolerate errors on a best-effort basis (experimental)'); + console.log(' -v, --version Shows program version'); + console.log(); + process.exit(1); +} + +options = {}; + +process.argv.splice(2).forEach(function (entry) { + + if (forceFile || entry === '-' || entry.slice(0, 1) !== '-') { + if (typeof fname === 'string') { + console.log('Error: more than one input file.'); + process.exit(1); + } else { + fname = entry; + } + } else if (entry === '-h' || entry === '--help') { + showUsage(); + } else if (entry === '-v' || entry === '--version') { + console.log('ECMAScript Parser (using Esprima version', esprima.version, ')'); + console.log(); + process.exit(0); + } else if (entry === '--comment') { + options.comment = true; + } else if (entry === '--loc') { + options.loc = true; + } else if (entry === '--range') { + options.range = true; + } else if (entry === '--raw') { + options.raw = true; + } else if (entry === '--tokens') { + options.tokens = true; + } else if (entry === '--tolerant') { + options.tolerant = true; + } else if (entry === '--') { + forceFile = true; + } else { + console.log('Error: unknown option ' + entry + '.'); + process.exit(1); + } +}); + +// Special handling for regular expression literal since we need to +// convert it to a string literal, otherwise it will be decoded +// as object "{}" and the regular expression would be lost. +function adjustRegexLiteral(key, value) { + if (key === 'value' && value instanceof RegExp) { + value = value.toString(); + } + return value; +} + +function run(content) { + syntax = esprima.parse(content, options); + console.log(JSON.stringify(syntax, adjustRegexLiteral, 4)); +} + +try { + if (fname && (fname !== '-' || forceFile)) { + run(fs.readFileSync(fname, 'utf-8')); + } else { + var content = ''; + process.stdin.resume(); + process.stdin.on('data', function(chunk) { + content += chunk; + }); + process.stdin.on('end', function() { + run(content); + }); + } +} catch (e) { + console.log('Error: ' + e.message); + process.exit(1); +} |